diff options
Diffstat (limited to 'libsigsegv')
126 files changed, 0 insertions, 53887 deletions
diff --git a/libsigsegv/AUTHORS b/libsigsegv/AUTHORS deleted file mode 100644 index 9fc8a0d2..00000000 --- a/libsigsegv/AUTHORS +++ /dev/null @@ -1,4 +0,0 @@ -Authors of GNU libsigsegv. - -Bruno Haible <bruno@clisp.org> Versions 1.0 and 2.0 -Paolo Bonzini <bonzini@gnu.org> HP-UX, MacOS X, Cygwin support diff --git a/libsigsegv/COPYING b/libsigsegv/COPYING deleted file mode 100644 index 3296a046..00000000 --- a/libsigsegv/COPYING +++ /dev/null @@ -1,340 +0,0 @@ - GNU GENERAL PUBLIC LICENSE - Version 2, June 1991 - - Copyright (C) 1989, 1991 Free Software Foundation, Inc. - 51 Franklin Street, Fifth Floor, - Boston, MA 02110-1301, USA. - Everyone is permitted to copy and distribute verbatim copies - of this license document, but changing it is not allowed. - - Preamble - - The licenses for most software are designed to take away your -freedom to share and change it. By contrast, the GNU General Public -License is intended to guarantee your freedom to share and change free -software--to make sure the software is free for all its users. This -General Public License applies to most of the Free Software -Foundation's software and to any other program whose authors commit to -using it. (Some other Free Software Foundation software is covered by -the GNU Library General Public License instead.) You can apply it to -your programs, too. - - When we speak of free software, we are referring to freedom, not -price. Our General Public Licenses are designed to make sure that you -have the freedom to distribute copies of free software (and charge for -this service if you wish), that you receive source code or can get it -if you want it, that you can change the software or use pieces of it -in new free programs; and that you know you can do these things. - - To protect your rights, we need to make restrictions that forbid -anyone to deny you these rights or to ask you to surrender the rights. -These restrictions translate to certain responsibilities for you if you -distribute copies of the software, or if you modify it. - - For example, if you distribute copies of such a program, whether -gratis or for a fee, you must give the recipients all the rights that -you have. You must make sure that they, too, receive or can get the -source code. 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If this is what you want to do, use the GNU Library General -Public License instead of this License. diff --git a/libsigsegv/ChangeLog b/libsigsegv/ChangeLog deleted file mode 100644 index 6756db0e..00000000 --- a/libsigsegv/ChangeLog +++ /dev/null @@ -1,870 +0,0 @@ -2009-06-8 Arnold Robbins <arnold@skeeve.com> - - Update to Autoconf 2.63, Automake 1.11, Libtool 2.2.6a - This makes change of 2008-08-01 actually work! - - * m4/*, ltmain.sh, configure.ac: Updated to latest libtool. - * configure, Makfile.in, */Makefile.in: Regenerated. - -2008-08-1 Arnold Robbins <arnold@skeeve.com> - - * Makefile.am (install): Do nothing for inclusion with gawk. - -2009-06-23 Bruno Haible <bruno@clisp.org> - - * Makefile.am (check-next): No longer ask for copies of config.log. - -2009-06-23 Bruno Haible <bruno@clisp.org> - - Improve support for MirBSD 10. - * configure.ac (CFG_FAULT, FAULT_CONTEXT): Treat MirBSD/i386 like - OpenBSD/i386. - -2009-06-23 Bruno Haible <bruno@clisp.org> - - Add support for platforms that follow POSIX:2008, not POSIX:2001. - * configure.ac (POSIX): Add MirBSD to known list. - (CFG_FAULT, FAULT_CONTEXT, FAULT_CONTEXT_INCLUDE): Define appropriately - when <ucontext.h> does not exist. - * src/fault-posix-ucontext.h: Renamed from src/fault-posix.h. - * src/fault-posix.h: New file. - * src/fault-aix5.h: Update. - * src/fault-hpux-hppa.h: Update. - * src/fault-netbsd.h: Update. - * src/fault-solaris.h: Update. - * src/Makefile.am (noinst_HEADERS): Add fault-posix-ucontext.h. - -2009-06-23 Bruno Haible <bruno@clisp.org> - - * configure.ac (FAULT_CONTEXT_INCLUDE): Reinstall the AC_SUBST - invocation. - -2009-05-21 Bruno Haible <bruno@clisp.org> - - * configure.ac (FAULT_CONTEXT_INCLUDE): Don't substitute into - Makefiles. - -2009-05-21 Bruno Haible <bruno@clisp.org> - - * tests/Makefile.am (AUTOMAKE_OPTIONS): Assume automake >= 1.11. - Use color-tests option. - -2009-01-14 Bruno Haible <bruno@clisp.org> - - * configure.ac: More consistent m4 quoting. - -2008-09-27 Bruno Haible <bruno@clisp.org> - - * build-aux/config.sub: Update to GNU version 2008-09-08. - -2008-09-23 Eric Blake <ebb9@byu.net> - - Use 2 * SIGSTKSZ consistently in configuration checks. - * m4/sigaltstack.m4 (SV_SIGALTSTACK): Work around IRIX sigaltstack bug. - * m4/sigaltstack-longjmp.m4 (SV_TRY_LEAVE_HANDLER_LONGJMP): Likewise. - * m4/sigaltstack-siglongjmp.m4 (SV_TRY_LEAVE_HANDLER_SIGLONGJMP): - Likewise. - -2008-09-21 Bruno Haible <bruno@clisp.org> - - * src/Makefile.am (LIBSIGSEGV_VERSION_INFO): New variable. - (libsigsegv_la_LDFLAGS): Pass -rpath and -version-info option. - Reported by Thomas Klausner <tk@giga.or.at>. - -2008-09-21 Eric Blake <ebb9@byu.net> - Bruno Haible <bruno@clisp.org> - - Detect and work around bug in Irix 5.3 sigaltstack. - * m4/sigaltstack.m4 (SV_SIGALTSTACK): Test for broken stack_t direction - in sigaltstack. - * src/handler-unix.c (stackoverflow_install_handler): Adjust stack - accordingly. - * tests/stackoverflow1.c (stack_lower_bound, stack_upper_bound): New - variables. - (stackoverflow_handler): Use them to expose IRIX bug. - (main): Initialize them. - -2008-09-07 Bruno Haible <bruno@clisp.org> - - * m4/libtool.m4: Update from libtool-2.2.6. - * m4/ltoptions.m4: Likewise. - * m4/ltsugar.m4: Likewise. - * m4/ltversion.m4: Likewise. - * build-aux/ltmain.sh: Likewise. - -2008-08-25 Bruno Haible <bruno@clisp.org> - - * Version 2.6 released. - -2008-08-24 Bruno Haible <bruno@clisp.org> - - * configure.ac: Treat Dragonfly BSD platforms like FreeBSD. - Reported by Thomas Klausner <tk@giga.or.at>. - -2008-08-24 Bruno Haible <bruno@clisp.org> - - * src/stackvma-mincore.c (mincore_is_near_this): Improve logic. Needed - for reliable NULL pointer access classification as SIGSEGV on AIX 4.3. - -2008-08-24 Bruno Haible <bruno@clisp.org> - - * m4/sigaltstack.m4: Change 'volatile int' return type to 'int'. Needed - for AIX 4.3 xlc. - * m4/sigaltstack-longjmp.m4: Likewise. - * m4/sigaltstack-siglongjmp.m4: Likewise. - * tests/stackoverflow1.c (recurse): Likewise. - * tests/stackoverflow2.c (recurse): Likewise. - -2008-08-24 Bruno Haible <bruno@clisp.org> - - * tests/sigsegv1.c: Include <config.h>. - * tests/sigsegv2.c: Likewise. - * tests/sigsegv3.c: Include <config.h> before all other headers. - * tests/stackoverflow1.c: Likewise. - * tests/stackoverflow2.c: Likewise. - -2008-08-24 Bruno Haible <bruno@clisp.org> - - Fix the sigsegv3 test on MacOS X. - * src/sigsegv.h.in (sigsegv_leave_handler): Take 4 arguments. - * NEWS: Mention the change. - * src/handler-macos.c (our_exception_thread, signalled_thread): New - variables. - (catch_exception_raise): Set signalled_thread during the user_handler - invocation. - (mach_exception_thread): Initialize our_exception_thread. - (sigsegv_leave_handler): Take 4 arguments. When called from within - the exception thread, let the signalled thread do a hyperjump. - * src/handler-unix.c (sigsegv_leave_handler): Take 4 arguments. - * src/handler-win32.c (sigsegv_leave_handler): Likewise. - * src/handler-none.c (sigsegv_leave_handler): Likewise. - * src/machfault-macos.h (SIGSEGV_INTEGER_ARGUMENT_1, - SIGSEGV_INTEGER_ARGUMENT_2, SIGSEGV_INTEGER_ARGUMENT_3, - SIGSEGV_FRAME_POINTER): New macros. - * tests/sigsegv3.c (handler_continuation): New function. - (handler): Update to new API. - * tests/stackoverflow1.c (stackoverflow_handler_continuation): New - function. - (stackoverflow_handler): Update to new API. - * tests/stackoverflow2.c (stackoverflow_handler_continuation): New - function. - (stackoverflow_handler, sigsegv_handler): Update to new API. - -2008-08-24 Bruno Haible <bruno@clisp.org> - - Test the use of sigsegv_leave_handler from within a SIGSEGV handler. - * tests/sigsegv3.c: New file. - * tests/Makefile.am (TESTS, noinst_PROGRAMS): Add sigsegv3. - -2008-08-23 Eric Blake <ebb9@byu.net> - - * src/Makefile.am (noinst_HEADERS): Remove machfault-macos-powerpc.h - and machfault-macos-i386.h. Add machfault-macos.h. - -2008-08-17 Bruno Haible <bruno@clisp.org> - - Allow building universal binaries on MacOS X. - * src/machfault-macos.h: New file, combining - src/machfault-macos-powerpc.h and src/machfault-macos-i386.h. - * src/machfault-macos-powerpc.h: Remove file. - * src/machfault-macos-i386.h: Remove file. - * configure.ac (CFG_MACHFAULT): Set to machfault-macos.h. - (FAULT_CONTEXT_INCLUDE) [MacOSX]: Set to #ifdefs for all four possible - architectures. - -2008-07-20 Bruno Haible <bruno@clisp.org> - - Make sigsegv_get_vma async-safe. - * src/sigsegv.h.in (sigsegv_handler_t, stackoverflow_handler_t): - Mention async-safety constraints. - + src/stackvma-rofile.c: New file. - * src/stackvma-freebsd.c: Include stackvma-rofile.c. - (sigsegv_get_vma): Use struct rofile instead of FILE. - * src/stackvma-linux.c: Include stackvma-rofile.c. - (sigsegv_get_vma): Use struct rofile instead of FILE. - * src/stackvma-procfs.c: Include <sys/mman.h> instead of <stdlib.h> and - <stdio.h>. - (sigsegv_get_vma): Avoid using sprintf. Ensure pagesize is initialized. - Use mmap/munmap instead of malloc/free. - * src/Makefile.am (EXTRA_DIST): Add stackvma-rofile.c. - Reported by Eric Blake <ebb9@byu.net>. - -2008-07-20 Bruno Haible <bruno@clisp.org> - - * src/handler-unix.c (sigsegv_handler): Preserve errno. - -2008-07-20 Eric Blake <ebb9@byu.net> - - * src/stackvma-mincore.c (mincore_is_near_this): Fix logic. - -2008-07-20 Bruno Haible <bruno@clisp.org> - - * tests/stackoverflow2.c (main): Test also a NULL pointer access. - Reported by Eric Blake <ebb9@byu.net>. - -2008-06-23 Bruno Haible <bruno@clisp.org> - - * build-aux/config.guess: Update to GNU version 2008-06-16. - * build-aux/config.sub: Likewise. - -2008-05-31 Bruno Haible <bruno@clisp.org> - - Make cross-compile from MacOS X 10.5 to MacOS X 10.4 work. - * src/handler-macos.c (MacOS_X_10_5_HEADERS): New macro. - * src/machfault-macos-i386.h: Use it. - * src/machfault-macos-powerpc.h: Likewise. - Reported by Dr Tomaž Slivnik <slivnik@tomaz.name>. - -2008-05-31 Bruno Haible <bruno@clisp.org> - - * m4/mmap-anon.m4 (SV_MMAP_ANON): Add known cross-compile results for - MacOS X. - Reported by Dr Tomaž Slivnik <slivnik@tomaz.name>. - -2008-05-27 Bruno Haible <bruno@clisp.org> - - * configure.ac: Require at least autoconf 2.62. Merge - FAULT_CONTEXT_INCLUDE2 variable into FAULT_CONTEXT_INCLUDE. - * src/sigsegv.h.in: Remove FAULT_CONTEXT_INCLUDE2 substitution. - * src/Makefile.am (sigsegv.h.msvc): Update. - -2008-05-27 Bruno Haible <bruno@clisp.org> - - * configure.ac: Bump version number to 2.6. - * src/sigsegv.h.in (LIBSIGSEGV_VERSION): Likewise. - -2008-05-27 Bruno Haible <bruno@clisp.org> - - Support for 64-bit mode on MacOS X 10.5. - * src/handler-macos.c (catch_exception_raise): Align the stack pointer - also on x86_64. Needed for MMX instructions. - * src/machfault-macos-i386.h: Choose among 64-bit and 32-bit flavours. - Use new names for the 32-bit flavour when possible. - * src/machfault-macos-powerpc.h: Choose among 64-bit and 32-bit - flavours. - * configure.ac (FAULT_CONTEXT, FAULT_CONTEXT_INCLUDE2): Choose - right flavour (ppc_thread_state_t/ppc_thread_state64_t or - i386_thread_state_t/x86_thread_state32_t/x86_thread_state64_t) at - compile time. - -2008-05-18 Bruno Haible <bruno@clisp.org> - - * m4/libtool.m4: Update from libtool-2.2.4. - * m4/ltoptions.m4: Likewise. - * m4/ltversion.m4: Likewise. - * m4/lt~obsolete.m4: Likewise. - * build-aux/ltmain.sh: Likewise. - -2008-04-06 Bruno Haible <bruno@clisp.org> - - * m4/libtool.m4: Update from libtool-2.2.2. - * m4/ltoptions.m4: New file, from libtool-2.2.2. - * m4/ltsugar.m4: New file, from libtool-2.2.2. - * m4/ltversion.m4: New file, from libtool-2.2.2. - * m4/lt~obsolete.m4: New file, from libtool-2.2.2. - * build-aux/ltmain.sh: New file, from libtool-2.2.2. - * configure.ac: Use LT_INIT instead of AC_PROG_LIBTOOL. - -2007-11-16 Bruno Haible <bruno@clisp.org> - - * src/fault-freebsd-i386.h (SIGSEGV_FAULT_STACKPOINTER): Use sc_rsp - also on x86_64-freebsd platform. - Reported by Dmitri Hrapof <hrapof@common-lisp.ru> and - Petr Salinger <Petr.Salinger@seznam.cz>. - -2007-11-15 Bruno Haible <bruno@clisp.org> - - * configure.ac (CFG_SIGNALS, CFG_FAULT): Port to i586-kfreebsd-gnu - and x86_64-kfreebsd-gnu. - * src/fault-freebsd-i386.h (SIGSEGV_FAULT_STACKPOINTER): Likewise. - Based on patch by Petr Salinger <Petr.Salinger@seznam.cz>. - -2007-11-11 Bruno Haible <bruno@clisp.org> - - * Version 2.5 released. - -2007-11-11 Bruno Haible <bruno@clisp.org> - - * configure.ac: Bump version number to 2.5. - * src/sigsegv.h.in (LIBSIGSEGV_VERSION): Likewise. - -2007-10-28 Bruno Haible <bruno@clisp.org> - - * src/handler-macos.c (catch_exception_raise): Align the new stack - pointer on a 16-byte boundary. - * src/handler-win32.c (main_exception_filter): Correct alignment: - %esp must be aligned to == -4 mod 16 upon function entry. - -2007-10-28 Bruno Haible <bruno@clisp.org> - - * src/sigsegv.h.in (stackoverflow_install_handler): Avoid comment - inside comment. - Reported by Chris Willmore <willmc@rpi.edu>. - -2007-10-28 Bruno Haible <bruno@clisp.org> - - * src/machfault-macos-powerpc.h (SIGSEGV_FAULT_ADDRESS, - SIGSEGV_STACK_POINTER, SIGSEGV_PROGRAM_COUNTER): Add __DARWIN_UNIX03 - conditional. - * src/machfault-macos-i386.h (SIGSEGV_FAULT_ADDRESS, - SIGSEGV_STACK_POINTER, SIGSEGV_PROGRAM_COUNTER): Likewise. - * src/fault-macosdarwin7-powerpc.h (SIGSEGV_FAULT_STACKPOINTER): - Likewise. - * src/fault-macosdarwin7-powerpc.c (get_fault_addr): Likewise. - Reported by Chris Willmore <willmc@rpi.edu>. - -2007-01-12 Bruno Haible <bruno@clisp.org> - - * Makefile.am (check-next): Don't ask for reports from x86_64-*-linux* - platforms. - -2006-07-14 Bruno Haible <bruno@clisp.org> - - * m4/sigaltstack.m4 (SV_SIGALTSTACK): Use SIGSTKSZ instead of - hardcoding 16384. - * m4/sigaltstack-longjmp.m4 (SV_TRY_LEAVE_HANDLER_LONGJMP): Likewise. - * m4/sigaltstack-siglongjmp.m4 (SV_TRY_LEAVE_HANDLER_SIGLONGJMP): - Likewise. - * tests/stackoverflow1.c (main): Likewise. - * tests/stackoverflow2.c (main): Likewise. - * src/sigsegv.h.in (stackoverflow_install_handler): Update - recommendation for extra_stack_size. - Needed for ia64. - Reported by Peter Van Eynde <pvaneynd@users.sourceforge.net>. - -2006-06-23 Bruno Haible <bruno@clisp.org> - - * Version 2.4 released. - -2006-06-23 Bruno Haible <bruno@clisp.org> - - * configure.ac: Bump version number to 2.4. - * src/sigsegv.h.in (LIBSIGSEGV_VERSION): Likewise. - -2006-06-17 Bruno Haible <bruno@clisp.org> - - * src/Makefile.am (noinst_HEADERS): Add fault-netbsd.h. - -2006-06-17 Bruno Haible <bruno@clisp.org> - - * m4/sigaltstack.m4: Insert 'volatile' and pass a pointer, to defeat - GCC 4 optimizations. - * m4/sigaltstack-longjmp.m4: Likewise. - * m4/sigaltstack-siglongjmp.m4: Likewise. - -2006-06-17 Bruno Haible <bruno@clisp.org> - - * tests/stackoverflow1.c (recurse): Remove useless cast. - * tests/stackoverflow2.c (recurse): Likewise. - -2006-06-17 Bruno Haible <bruno@clisp.org> - - * src/stackvma-freebsd.c (sigsegv_get_vma): Test whether mincore() - works as expected before using it. - -2006-03-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> - - * m4/libtool.m4 (_LT_SYS_DYNAMIC_LINKER) [ linux ]: Avoid warning when - "parsing" /etc/ld.so.conf and empty /etc/ld.so.conf.d. - -2006-06-13 Bruno Haible <bruno@clisp.org> - - Make NetBSD/i386 stack overflow detection work even without mincore. - * src/fault-netbsd.h: New file. - * configure.ac (CFG_FAULT): Choose it when appropriate. - -2006-05-16 Bruno Haible <bruno@clisp.org> - - Don't allow the compiler to reorder instructions in the tests. - * tests/sigsegv1.c (crashes): Use volatile in pointer access. - * tests/sigsegv2.c (main): Likewise. - * tests/stackoverflow2.c (main): Likewise. - -2006-05-14 Bruno Haible <bruno@clisp.org> - - Exploit the mincore() system call where available. - * src/stackvma-mincore.c: New file. - * src/Makefile.am (EXTRA_DIST): Add it. - * src/stackvma.h: Add double-inclusion guard. - * src/stackvma-freebsd.c: If mincore() is available, include also - stackvma-mincore.c. - (sigsegv_get_vma): If mincore() is available, use it as fallback. - * src/stackvma-linux.c: If mincore() is available, include also - stackvma-mincore.c. - (sigsegv_get_vma): If mincore() is available, use it as fallback. - * src/stackvma-procfs.c: If mincore() is available, include also - stackvma-mincore.c. - (sigsegv_get_vma): If mincore() is available, use it as fallback. - * configure.ac: Test for mincore. - (CFG_STACKVMA): Set to stackvma-mincore.c if nothing else is available. - -2006-05-14 Bruno Haible <bruno@clisp.org> - - * src/stackvma-simple.c: New file, extracted from handler-unix.c. - * src/Makefile.am (EXTRA_DIST): Add it. - * src/stackvma-beos.c: Include stackvma-simple.c. - (sigsegv_get_vma): Fill the vma's is_near_this field. - * src/stackvma-freebsd.c: Include stackvma-simple.c. - (sigsegv_get_vma): Fill the vma's is_near_this field. - * src/stackvma-linux.c: Include stackvma-simple.c. - (sigsegv_get_vma): Fill the vma's is_near_this field. - * src/stackvma-mach.c: Include stackvma-simple.c. - (sigsegv_get_vma): Fill the vma's is_near_this field. - * src/stackvma-procfs.c: Include stackvma-simple.c. - (sigsegv_get_vma): Fill the vma's is_near_this field. - * src/stackvma.h (vma_struct): Add is_near_this field. - * src/handler-unix.c (sigsegv_handler): Use the vma's is_near_this - function. - -2006-04-28 Bruno Haible <bruno@clisp.org> - - * Version 2.3 released. - -2006-04-28 Bruno Haible <bruno@clisp.org> - - * configure.ac: Bump version number to 2.3. - * src/sigsegv.h.in (LIBSIGSEGV_VERSION): Likewise. - - * build-aux/config.guess, build-aux/config.sub: Update to GNU version - 2006-04-26. - - * build-aux/install-sh: Update from automake-1.9.6. - * build-aux/missing: Likewise. - - * build-aux/ltmain.sh: Update from libtool-1.5.22. - * m4/libtool.m4: Likewise. - -2006-04-28 Bruno Haible <bruno@clisp.org> - - * build-aux: Renamed from autoconf. - * configure.ac (AC_CONFIG_AUX_DIR): Set to build-aux. - -2006-04-22 Bruno Haible <bruno@clisp.org> - - * configure.ac: Renamed from configure.in. - -2006-04-21 Bruno Haible <bruno@clisp.org> - - * src/machfault-macos-i386.h: Rewritten for Darwin 8.6.1. - * configure.in: Change FAULT_CONTEXT for i?86-darwin. - -2005-06-21 Paolo Bonzini <bonzini@gnu.org> - - * configure.in: For handler-macos.c, include mach/thread_status.h. - * configure: Regenerate. - -2005-06-21 Paolo Bonzini <bonzini@gnu.org> - - * tests/stackoverflow1.c (recurse): Make more resilient to compiler - optimization. - (recurse_1): New. - * tests/stackoverflow2.c: Likewise. - -2005-05-24 Bruno Haible <bruno@clisp.org> - - * src/handler-win32.c (main_exception_filter): Copy CONTEXT structure - to safe area on the stack. - Based on patch by Doug Currie <e@flavors.com>. - - * src/handler-win32.c (main_exception_filter): Swap arguments passed - to stack_overflow_handler. - Patch by Doug Currie <e@flavors.com>. - - * src/handler-win32.c (main_exception_filter): Align %esp on a 16-byte - boundary. - -2005-03-02 Bruno Haible <bruno@clisp.org> - - * Version 2.2 released. - -2005-03-02 Bruno Haible <bruno@clisp.org> - - * autoconf/config.guess: Update. - * autoconf/config.sub: Update. - * autoconf/missing: Update from automake-1.9.5. - - * m4/libtool.m4: Upgrade to libtool-1.5.14 with gettext modifications. - * autoconf/ltmain.sh: Likewise. - -2005-03-02 Bruno Haible <bruno@clisp.org> - - * src/fault-aix5.h: New file. - * src/fault-aix5-powerpc.h: New file. - * src/Makefile.am (noinst_HEADERS): Add them. - * configure.in: Choose them when the POSIX test succeeds on AIX. - - * src/fault-aix3-powerpc.h: Renamed from src/fault-aix-powerpc.h. - * src/fault-aix3.h: Renamed from src/fault-aix.h. - * src/Makefile.am (noinst_HEADERS): Update. - * configure.in: Update. When cross-compiling, assume the AIX test - succeeds only on AIX 3 and AIX 4. - -2005-03-01 Bruno Haible <bruno@clisp.org> - - * configure.in: Fix test of CFG_MACHFAULT. - -2005-02-27 Bruno Haible <bruno@clisp.org> - - * configure.in: Skip tests that are not needed on MacOS X >= 10.2. - * m4/sigaltstack.m4 (SV_SIGALTSTACK): Don't perform the test on - MacOS X >= 10.2. - -2005-02-18 Bruno Haible <bruno@clisp.org> - - * tests/sigsegv1.c (handler_called): Declare as volatile. - * tests/sigsegv2.c (logcount, logdata): Likewise. - * tests/stackoverflow1.c (pass): Likewise. - * tests/stackoverflow2.c (pass): Likewise. - -2005-01-29 Bruno Haible <bruno@clisp.org> - - * src/sigsegv.h.in (LIBSIGSEGV_VERSION): New macro. - (libsigsegv_version): New declaration. - * src/version.c: New file. - * src/Makefile.am (libsigsegv_la_SOURCES): Add version.c. - * Makefile.msvc (OBJECTS): Add version.obj. - (version.obj): New rule. - Suggested by Sam Steingold. - -2004-08-25 Bruno Haible <bruno@clisp.org> - - * m4/libtool.m4: Upgrade to libtool-1.5.6. - * autoconf/ltmain.sh: Upgrade to libtool-1.5.6. - -2004-08-18 Bruno Haible <bruno@clisp.org> - - * configure.in: Bump version number to 2.2. - -2004-08-17 Bruno Haible <bruno@clisp.org> - - Finish the Mach-based MacOS X support. - * src/handler-macos.c: Don't include mach/vm_map.h. - Include machfault.h instead of fault.h. - (save_exc_state): Remove variable. - (save_thread_state): New variable. - (terminating_handler): New function. - (altstack_handler): Pass the save_thread_state, not the save_exc_state, - to the user's handler. - (catch_exception_raise): Make it work also for platforms which don't - have an exc_state type. Call SIGSEGV_FAULT_ADDRESS with 2 arguments. - Don't clobber the exc_state; instead set the thread's program counter - to terminating_handler or altstack_handler, depending on the case. - Return KERN_SUCCESS at the end. - * src/machfault.h: New file. - * src/machfault-macos-powerpc.h (SIGSEGV_FAULT_ADDRESS): Add a second - argument. - * src/machfault-macos-i386.h: New file. - * src/Makefile.am (EXTRA_DIST): Add handler-macos.c. - (NOINST_HEADERS): Add machfault.h, machfault-macos-i386.h, - machfault-macos-powerpc.h. - * configure.in (CFG_HANDLER): Initialize to empty. - (CFG_MACHFAULT): New substituted variable. - On MacOS X PowerPC+i386, use CFG_HANDLER=handler-macos.c - unconditionally. - (sv_cv_fault_include, sv_cv_have_stack_overflow_recovery): Set - correctly also in the handler-macos.c case. - -2004-08-16 Bruno Haible <bruno@clisp.org> - - Support for MacOS X 10.3 on PowerPC. - * src/fault-macosdarwin5-powerpc.h: Renamed from - src/fault-macos-powerpc.h. - * src/fault-macosdarwin5-powerpc.c: Renamed from - src/fault-macos-powerpc.c. - * src/fault-macosdarwin7-powerpc.h: New file. - * src/fault-macosdarwin7-powerpc.c: New file. - * src/Makefile.am (noinst_HEADERS): Update. - * configure.in: Test the method for MacOSX/Darwin5 PowerPC only after - the method for MacOSX/Darwin7 PowerPC failed. - Substitute FAULT_CONTEXT_INCLUDE2. - * src/sigsegv.h.in: Insert @FAULT_CONTEXT_INCLUDE2@. - * src/Makefile.am (sigsegv.h.msvc): Replace @FAULT_CONTEXT_INCLUDE2@. - -2003-12-09 Paolo Bonzini <bonzini@gnu.org> - - * src/handler-macos.c: Completed; removed dependency on - signals. - * src/machfault-macos-powerpc.h: Reorganized. - -2003-12-08 Paolo Bonzini <bonzini@gnu.org> - Bruno Haible <bruno@clisp.org> - - * src/handler-macos.c: New file. - * src/machfault.h: New file. - * src/machfault-macos-powerpc.h: New file. - -2003-12-05 Bruno Haible <bruno@clisp.org> - - * m4/fault.m4: Tweak indentation. Bump serial number. - * m4/getpagesize.m4: Likewise. - * m4/mmap-anon.m4: Likewise. - * m4/sigaltstack.m4: Likewise. - * m4/sigaltstack-longjmp.m4: Likewise. - * m4/sigaltstack-siglongjmp.m4: Likewise. - -2003-12-05 Paolo Bonzini <bonzini@gnu.org> - - * aclocal.m4: Regenerate with Automake 1.7h. - * configure.in: Drop m4/Makefile from list of generated files. - * configure: Regenerate. - * Makefile.am (install-data-hook): New name of the install-am - target, for Automake 1.8 compatibility. Other -am targets - are not affected because Automake does not have anything to - do to make them. - (AUTOMAKE_OPTIONS): Bump minimum Automake requirement to 1.7h. - (SUBDIRS): Remove m4. - ($(srcdir)/config.h.msvc): New target for config.h.msvc. - * Makefile.in: Regenerate with Automake 1.7h. - * m4/Makefile.am: Delete, Automake 1.7h takes care of it. - * m4/Makefile.in: Delete. - * src/Makefile.am (installdirs): Delete, Automake 1.7h adds it. - * src/Makefile.in: Regenerate with Automake 1.7h. - * tests/Makefile.in: Regenerate with Automake 1.7h. - - * autoconf/config.guess: Update from automake-1.7h. - * autoconf/config.sub: Likewise. - * autoconf/install.sh: Likewise. - * autoconf/missing: Likewise. - * autoconf/mkinstalldirs: Delete. - * m4/fault.m4: autoupdate and manually tweak. - * m4/sigaltstack.m4: Likewise. - * m4/sigaltstack-longjmp.m4: Likewise. - * m4/sigaltstack-siglongjmp.m4: Likewise. - * m4/mmap-anon.m4: Likewise. - * m4/getpagesize.m4: Likewise. - -2003-10-29 Bruno Haible <bruno@clisp.org> - - * tests/sigsegv1.c (main): Add a check whether mprotect with - PROT_READ_WRITE really works. - * tests/sigsegv2.c (main): Likewise. - Reported by Ullal Devappa Kini <wmbfqj@vsnl.net>. - -2003-08-21 Bruno Haible <bruno@clisp.org> - - * Version 2.1 released. - -2003-06-24 Paolo Bonzini <bonzini@gnu.org> - - * m4/fault.m4: Exit if we detect an infinite loop. - * aclocal.m4: Regenerate. - * configure: Regenerate. - -2003-06-18 Bruno Haible <bruno@clisp.org> - - * autoconf/install-sh: Update from automake-1.7.5. - -2003-05-14 Paolo Bonzini <bonzini@gnu.org> - - * configure.in: Use signals-bsd.h for OpenBSD and NetBSD too. - Support instruction decoding to get fault address for Alphas. - * src/fault-netbsd-alpha.h: New file. - * src/fault-netbsd-alpha.c: New file. - * src/Makefile.am (noinst_HEADERS): Add them. - -2003-05-14 Paolo Bonzini <bonzini@gnu.org> - - * src/dispatcher.c (insert): Fix lossage in 64-bit environments - (cast from void* to unsigned int). - -2003-05-10 Bruno Haible <bruno@clisp.org> - - * tests/Makefile.am (../src/libsigsegv.la): New rule. - - * Makefile.msvc (handler.obj): Complete the dependencies. - (stackoverflow2.exe): New rule. - (check): Depend on it. - (clean): Remove it. - -2003-05-10 Paolo Bonzini <bonzini@gnu.org> - Bruno Haible <bruno@clisp.org> - - * configure.in: AC_SUBST of CFG_STACKVMA, CFG_LEAVE, CFG_HANDLER. - * src/Makefile.am: Add dependencies for the object files. - -2003-05-08 Paolo Bonzini <bonzini@gnu.org> - - * configure.in: Add $srcdir/ to #include statements. Needed when - builddir != srcdir. - - * src/signals-macos.h (SIGSEGV_FOR_ALL_SIGNALS): Add SIGSEGV. - -2003-05-03 Paolo Bonzini <bonzini@gnu.org> - - * configure.in: Tweak 2003-04-26 patch so that it works on mingw32 and - Cygwin. - -2003-05-02 Bruno Haible <bruno@clisp.org> - - * src/handler-unix.c: Add special case for stack handling on IA-64. - * src/fault-linux-ia64.h: Complete the port. - * configure.in: Improve Linux/IA-64 support. - -2003-05-01 Bruno Haible <bruno@clisp.org> - - * configure.in: Don't use fault-hurd.h on NetBSD/alpha. It does not - work. - -2003-05-01 Bruno Haible <bruno@clisp.org> - - Support for Linux/HPPA. - * fault-linux-hppa.h: Don't include <siginfo.h>. - (SIGSEGV_FAULT_ADDRESS): Change. - (SIGSEGV_FAULT_ADDRESS_FROM_SIGINFO): Define it, otherwise the value - passed for sip is 0. - (SIGSEGV_FAULT_CONTEXT, SIGSEGV_FAULT_STACKPOINTER): Remove macros. - * configure.in: Improve Linux/HPPA support. - -2003-05-01 Bruno Haible <bruno@clisp.org> - - Support for OpenBSD/i386. - * src/fault-openbsd.h: New file. - * src/fault-openbsd-i386.h: New file. - * src/Makefile.am (noinst_HEADERS): Add them. - * configure.in: If the POSIX test works and the OS is OpenBSD, use - fault-openbsd.h instead of fault-posix.h. - -2003-05-01 Bruno Haible <bruno@clisp.org> - - * src/fault-hpux-hppa.h: Make it work on machines with 64-bit registers - as well. - * configure.in: Likewise. - -2003-04-29 Bruno Haible <bruno@clisp.org> - - * configure.in: Define HAVE_STACKVMA if CFG_STACKVMA is nontrivial. - * src/handler-unix.c: Test HAVE_STACKVMA instead of CFG_STACKVMA. - - * m4/fault.m4 (SV_TRY_FAULT): On HP-UX, always pass 0 as first argument - of mmap(). - * tests/mmaputil.h (mmap_zeromap): Likewise. - -2003-04-28 Bruno Haible <bruno@clisp.org> - - * src/stackvma-freebsd.c (sigsegv_get_vma): Fix logic error. - -2002-04-17 Paolo Bonzini <bonzini@gnu.org> - - Support for Cygwin. - * configure.in: Treat cygwin* like mingw*. - * src/handler-win32.c [CYGWIN] (exception_list, _except_list, - debug_get_except_list, cygwin_exception_handler, - libsigsegv_exception_handler, do_install_main_exception_filter): New - definitions. - (install_main_exception_filter): New function. - (sigsegv_install_handler, stackoverflow_install_handler): Call it. - -2003-04-26 Bruno Haible <bruno@clisp.org> - - * configure.in: Don't set sv_cv_have_stack_overflow_recovery=yes if - not all of the fault-*.h and stackvma-*.h premises are fulfilled. - Reported by Paolo Bonzini <bonzini@gnu.org> for NetBSD/Alpha. - -2003-04-03 Bruno Haible <bruno@clisp.org> - - * configure.in: Add --enable-relocatable option. - * m4/relocatable.m4: New file, from GNU gettext. - * m4/Makefile.am (EXTRA_DIST): Add it. - - * m4/libtool.m4: Update from GNU gettext, based on libtool-1.4.3. - * autoconf/ltmain.sh: Likewise. - -2003-04-02 Bruno Haible <bruno@clisp.org> - - * configure.in: Bump version number to 2.1. - - * tests/stackoverflow2.c: New file, based on code by Paolo Bonzini. - * tests/Makefile.am (TESTS, noinst_PROGRAMS): Add stackoverflow2. - -2003-04-02 Paolo Bonzini <bonzini@gnu.org> - Bruno Haible <bruno@clisp.org> - - Complete the port to MacOS X (Darwin). - * m4/fault.m4: Include sys/signal.h. Have an exit status of 3 instead - of 1 if fault_address is misdetected. - * m4/sigaltstack.m4: Define stack_t to struct sigaltstack if absent. - Include <sys/signal.h>. - * configure.in: Add check for sys/signal.h. - Add support for catching stack overflow on MacOSX. - Add support for MacOSX on i386. - Provide a fallback for SS_ONSTACK before using it. - * src/fault-macos-i386.h: New file. - * src/stackvma-mach.c: New file. - * src/fault-macos-powerpc.h (SIGSEGV_FAULT_STACKPOINTER): Change. - * src/handler-unix.c: Include <sys/signal.h>. - (SS_DISABLE): Provide a fallback. - * src/leave-sigaltstack.c: Include sys/signal.h. - (SS_ONSTACK): Provide a fallback. - * src/Makefile.am (noinst_HEADERS): Add fault-macos-i386.h. - (EXTRA_DIST): Add stackvma-mach.c. - * tests/sigsegv1.c: Abort after 10 handler invocations. - (main): Drop SKIP message, now emitted by automake 1.7.x. - * tests/sigsegv2.c: Abort after 10 handler invocations. - (main): Drop SKIP message, now emitted by automake 1.7.x. - * tests/stackoverflow1.c (main): Drop SKIP message, now emitted by - automake 1.7.x. - -2002-10-14 Bruno Haible <bruno@clisp.org> - - * src/fault-none.h: New file. - * src/fault.h: Include CFG_FAULT unconditionally. - * src/leave-none.c: New file. - * src/leave.c: Include CFG_LEAVE unconditionally. - * src/stackvma.c: Include CFG_STACKVMA unconditionally. - * configure.in (CFG_LEAVE, CFG_STACKVMA): Define always. - * src/Makefile.am (noinst_HEADERS): Add fault-none.h. - (EXTRA_DIST): Add leave-none.c. - Reported by Paolo Bonzini <bonzini@gnu.org>. - -2002-09-30 Bruno Haible <bruno@clisp.org> - - * src/Makefile.am (noinst_HEADERS): Add fault-hurd.h, - fault-linux-m68k.c, fault-macos-powerpc.h, fault-macos-powerpc.c, - signals-hurd.h, signals-macos.h. - -2002-09-30 Bruno Haible <bruno@clisp.org> - - * Makefile.am (check-next): Don't ask for reports from i?86-*-linux* - platforms. - -2002-09-30 Bruno Haible <bruno@clisp.org> - - Better Linux/PowerPC support. - * configure.in: Change Linux/PowerPC support. - * src/fault-linux-powerpc.h (SIGSEGV_FAULT_ADDRESS): New macro. - -2002-09-30 Bruno Haible <bruno@clisp.org> - - Better Linux/m68k support. - * configure.in: Change Linux/m68k support. - * src/fault-linux-m68k.c: New file. - * src/fault-linux-m68k.h: Use it. - -2002-09-30 Bruno Haible <bruno@clisp.org> - - Tentative Hurd support. - * configure.in: Add Hurd support. - * src/signals-hurd.h: New file. - * src/fault-hurd.h: New file. - -2002-09-30 Bruno Haible <bruno@clisp.org> - - MacOSX/PowerPC support. - * configure.in: Add MacOSX/PowerPC support. - * src/signals-macos.h: New file. - * src/fault-macos-powerpc.c: New file. - * src/fault-macos-powerpc.h: New file. - -2002-09-16 Bruno Haible <bruno@clisp.org> - - * src/fault-posix.h: Don't include <siginfo.h>. Needed for hppa-linux. - Reported by Will Newton <will@misconception.org.uk>. - -2002-08-28 Bruno Haible <bruno@clisp.org> - - * Version 2.0 released. - -2002-07-28 Bruno Haible <bruno@clisp.org> - - Big reorganization and rewrite. Every file changed. - diff --git a/libsigsegv/ChangeLog.1 b/libsigsegv/ChangeLog.1 deleted file mode 100644 index e3a1d79c..00000000 --- a/libsigsegv/ChangeLog.1 +++ /dev/null @@ -1,295 +0,0 @@ -2002-07-15 Bruno Haible <bruno@clisp.org> - - * sigsegv.h.in (HAVE_STACK_OVERFLOW_RECOVERY): Define also on FreeBSD. - (stackoverflow_context_t): Define as 'struct sigcontext *' on FreeBSD. - * handler.c (SIGSEGV_ALL_SIGNALS) [FreeBSD]: Add SIGSEGV; this is the - signal that gets sent on stack overflow. - (get_vma) [FreeBSD]: New. - (reset_onstack_flag) [FreeBSD]: New . - -2002-05-07 Paolo Bonzini <bonzini@gnu.org> - - * sigsegv.h.in [__hpux, hpux]: Define HAVE_SIGSEGV_RECOVERY. - * handler.c (UNIX_HPUX) [__hpux, hpux]: New macro. - Define the hacks to access CR21. - * test1.c (mmap_zeromap): Return the address. - (handler): Don't hardcode the correct fault address. - (main): Set page to the result of mmap_zeromap. - * test2.c (mmap_zeromap): Return the address. - (main): Set area1/area2/area3 to the result of mmap_zeromap. - -2002-05-06 Bruno Haible <bruno@clisp.org> - - * test1.c: Include <stdlib.h>, for exit(). - * test2.c: Likewise. - * test3.c: Likewise. - -2002-04-28 Bruno Haible <bruno@clisp.org> - - * Makefile.devel (ACLOCAL): Remove variable. - (ACSELECT): Remove variable. - (OTHERMACROS): Remove variable. - (m4/*.m4): New rules. - (autoconf/aclocal.m4): Construct using aclocal instead of acselect. - -2001-08-25 Bruno Haible <haible@clisp.cons.org> - - Upgrade to autoconf-2.52. - * autoconf/autoconf: Upgrade to autoconf-2.52. - * autoconf/acgeneral.m4: Remove file. - * autoconf/acspecific.m4: Remove file. - * autoconf/autoconf.m4f: New file, from autoconf-2.52. - * autoconf/aclocal.m4: Require autoconf-2.52. - (CL_CANONICAL_HOST): Call AC_CANONICAL_HOST. Don't cache the result, - AC_CANONICAL_HOST does it itself. Add $SHELL in front of - $ac_config_guess and $ac_config_sub. - (CL_SIGACTION_REINSTALL): Include <string.h>, for memset declaration. - * Makefile.devel (AUTOCONF_FILES): Remove acgeneral.m4, acspecific.m4. - Add autoconf.m4f. - (configure): Use autoconf options -A, -l instead of -m. - * config.h.in: Don't define HAVE_MEMSET. - (MPROTECT_CONST, SETRLIMIT_CONST): Use #undef, not #define, to work - around an autoconf bug. - -2001-08-05 Bruno Haible <haible@clisp.cons.org> - - * autoconf/acgeneral.m4 (AC_MSG_RESULTPROTO): Remove macro. - (AC_LANG_EXTERN): Move to aclocal.m4. - * autoconf/aclocal.m4 (AC_LANG_EXTERN): Moved here from acgeneral.m4. - (CL_PROTO): Use AC_MSG_RESULT directly, instead of AC_MSG_RESULTPROTO. - (CL_SILENT): No need to pushdef AC_MSG_RESULTPROTO. - -2001-06-08 Bruno Haible <haible@clisp.cons.org> - - * autoconf/ltmain.sh: Upgrade to libtool-1.4. - * autoconf/ltconfig: Remove file. - -2001-06-08 Bruno Haible <haible@clisp.cons.org> - - * autoconf/config.guess: Update to GNU version 2001-05-11. - * autoconf/config.sub: Likewise. - -2001-05-09 Bruno Haible <haible@clisp.cons.org> - - * sigsegv.h.in: Recognize __arm__ as CPU indicator on Linux. - * handler.c: Likewise. - -2001-03-19 Bruno Haible <haible@clisp.cons.org> - - * autoconf/aclocal.m4 (CL_CANONICAL_HOST): Always define - ac_config_guess and ac_config_sub. Then ignore requests for - AC_CONFIG_AUX_DIR_DEFAULT or AC_CANONICAL_HOST. - -2001-03-19 Bruno Haible <haible@clisp.cons.org> - - * ltconfig, ltmain.sh: Upgrade to libtool-1.3.5. - -2001-02-20 Bruno Haible <haible@clisp.cons.org> - - * Makefile.in (libdir, includedir): Use the autoconf determined value, - in order to respect the configure arguments. - (mandir): Remove unused variable. - * Makefile.msvc (mandir): LIkewise. - - * Makefile.in (install, installdirs, uninstall): Support DESTDIR. - -2000-12-08 Bruno Haible <haible@clisp.cons.org> - - * Makefile.in (exec_prefix): Use configure's --exec-prefix argument. - -2000-11-15 Bruno Haible <haible@clisp.cons.org> - - * Makefile.msvc: Add support for MFLAGS and DEBUG parameters. - -2000-11-12 Bruno Haible <haible@clisp.cons.org> - - * autoconf/config.guess, autoconf/config.sub: Upgrade to newest - version from GNU CVS. - -2000-11-08 Bruno Haible <haible@clisp.cons.org> - - * aclocal.m4 (CL_SIGNAL_UNBLOCK): Enable 'volatile' for gotsig, - wasblocked. - (CL_SIGNAL_BLOCK_OTHERS): Enable 'volatile' for gotsig, - somewereblocked. - (CL_SIGACTION_UNBLOCK): Enable 'volatile' for gotsig, wasblocked. - -2000-09-29 Bruno Haible <haible@clisp.cons.org> - - * autoconf/aclocal.m4 (CL_CANONICAL_HOST): Fix bug in 2000-05-23 - change. - -2000-05-29 Bruno Haible <haible@clisp.cons.org> - - * autoconf/aclocal.m4 (CL_PROG_INSTALL): Fix typo. - Reported by Thomas Klausner <wiz@danbala.ifoer.tuwien.ac.at>. - -2000-05-25 Bruno Haible <haible@clisp.cons.org> - - * Makefile.msvc: Use 'copy' and 'ren' instead of 'cp' and 'mv'. - -2000-05-23 Bruno Haible <haible@clisp.cons.org> - - * autoconf/aclocal.m4 (CL_CANONICAL_HOST): Determine host_cpu, - host_vendor, host_os correctly if $host has more than two hyphens. - -2000-04-02 Bruno Haible <bruno@linuix.math.u-bordeaux.fr> - - Allow building on filesystems lacking symlinks and hard links. - * Makefile.devel (autoconf/aclocal.m4): Replace AC_PROG_LN_S with - CL_PROG_LN_S. - * configure.in: Add CL_PROG_LN_S. - * src/Makefile.in (LN): Remove. - -1999-06-18 Bruno Haible <bruno@linuix.math.u-bordeaux.fr> - - * handler.c (user_handler): Define also on WIN32. - -1999-06-16 Bruno Haible <bruno@linuix.math.u-bordeaux.fr> - - * sigsegv.h.in (stackoverflow_context_t): More precise definition on - Solaris, Irix, OSF/1. - -1999-05-30 Bruno Haible <bruno@linuix.math.u-bordeaux.fr> - - * Makefile.in (install-lib): New target. - -1999-05-29 Bruno Haible <bruno@linuix.math.u-bordeaux.fr> - - * Makefile.in (install): Make sure the directories $(prefix) and - $(exec_prefix) exist. - -1999-05-16 Bruno Haible <bruno@linuix.math.u-bordeaux.fr> - - Libtoolify. - * autoconf/ltconfig, autoconf/ltmain.sh: New files, from libtool-1.2. - * Makefile.devel (OTHERMACROS): New macro. - (autoconf/aclocal.m4): Add the contents of $(OTHERMACROS). - * configure.in: Call CL_CANONICAL_HOST and AM_PROG_LIBTOOL. - * Makefile.in (LIBTOOL, LIBTOOL_COMPILE, LIBTOOL_LINK, - LIBTOOL_INSTALL, LIBTOOL_UNINSTALL): New macros. - (top_builddir): New macro. - (OBJECTS): Change .o to .lo. - (all): Change .a to .la. - (handler.lo): Renamed from handler.o. Use $(LIBTOOL_COMPILE). - (dispatcher.lo): Renamed from dispatcher.o. Use $(LIBTOOL_COMPILE). - (libsigsegv.la): Renamed from libsigsegv.a. Use $(LIBTOOL_LINK). - (install): Use $(LIBTOOL_INSTALL). Copy ./sigsegv.h not - $(srcdir)/sigsegv.h. - (uninstall): Use $(LIBTOOL_UNINSTALL). - (test1, test2, test3): Change .a to .la. Use $(LIBTOOL_LINK). - (clean): Also remove *.lo *.la .libs _libs. - (distclean): Also remove libtool. - -1999-05-16 Bruno Haible <bruno@linuix.math.u-bordeaux.fr> - - For Linux 2.0.x with glibc2.0. - * aclocal.m4 (CL_SIGALTSTACK): Define HAVE_SIGALTSTACK only if the - sigaction flags macro SA_ONSTACK is also defined. - -1999-05-15 Bruno Haible <bruno@linuix.math.u-bordeaux.fr> - - For DEC OSF/1 3.2. - * sigsegv.h.in (HAVE_STACK_OVERFLOW_RECOVERY): Undefine if test3 - doesn't work. - * Makefile.in (SEDPREPARE0, SEDCOMMAND3): New macros. - (sigsegv.h): Also try running test3. - -1999-05-09 Bruno Haible <bruno@linuix.math.u-bordeaux.fr> - - * sigsegv.h.in (HAVE_STACK_OVERFLOW_RECOVERY): Also define on Solaris, - Irix, OSF/1. - * handler.c: Use symbolic UNIX_* macros for various Unix brands. - (SIGSEGV_FAULT_HANDLER_ARGLIST, SIGSEGV_ALL_SIGNALS): Define also - when HAVE_SIGSEGV_RECOVERY is not defined. Add support for - Linux/m68k, Linux/mips, Linux/alpha, Linux/arm. - (SIGSEGV_FAULT_CONTEXT, SIGSEGV_FAULT_STACKPOINTER): New macros. - (get_vma) [UNIX_LINUX]: No need to initialize prev twice. - (reset_onstack_flag) [UNIX_LINUX]: New function. - (get_vma, reset_onstack_flag) [UNIX_SUNOS, UNIX_IRIX, UNIX_OSF]: New - functions. - (sigsegv_leave_handler): If SIGACTION_NEED_UNBLOCK is defined, - unblock the signal itself. Call reset_onstack_flag. - (stackoverflow_deinstall_handler): Print something if sigaltstack - fails. - * aclocal.m4 (CL_SIGNAL_UNBLOCK, CL_SIGNAL_BLOCK_OTHERS, - CL_SIGACTION_UNBLOCK): Perform the test if either POSIX or BSD - signal mask primitives are available. Otherwise, - SIGACTION_NEED_UNBLOCK would not be defined on Solaris. - -1999-05-07 Bruno Haible <bruno@linuix.math.u-bordeaux.fr> - - * test3.c (main): Make more verbose. - - Avoid a "make check" failure with "cc" on DEC OSF/1 4.0. - * test2.c (barrier): New function. - (main): Call it at the right moment. - - * Makefile.in (SEDPREPARE1, SEDCOMMAND2): Don't use # as literal. - Only GNU make understands \#, other `make's don't. - -1999-05-02 Bruno Haible <bruno@linuix.math.u-bordeaux.fr> - - Support for catching stack overflow on Unix, using sigaltstack(). - * aclocal.m4 (CL_SIGALTSTACK): New macro. - * configure.in: Add CL_SIGALTSTACK and CL_RLIMIT. - * config.h.in: Add HAVE_SIGALTSTACK, HAVE_SETRLIMIT, - RLIMIT_RESOURCE_T, SETRLIMIT_CONST. - * Makefile.in (SEDPREPARE1, SEDCOMMAND1, SEDCOMMAND2): New macros. - (sigsegv.h): Use them. Depend on config.h. - * sigsegv.h.in: Test __linux__ instead of linux. - Conditionally define HAVE_STACK_OVERFLOW_RECOVERY for Linux. - (sigsegv_handler_t): Add `serious' argument. - (stackoverflow_context_t): New type. - (stackoverflow_handler_t, stackoverflow_install_handler, - stackoverflow_deinstall_handler): Declare unconditionally. - (stackoverflow_handler_t): Add `scp' argument. - (stackoverflow_install_handler): Change return type to `int'. - * handler.c: Test __linux__ instead of linux. - Move Win32 section to the end. - On Unix, install SIGSEGV handler if HAVE_SIGSEGV_RECOVERY or - HAVE_STACK_OVERFLOW_RECOVERY. - (vma_struct): New type. - (get_vma): New function. - (SIGSEGV_FAULT_CONTEXT, SIGSEGV_FAULT_STACKPOINTER): New macros. - (stack_top): New variable. - (remember_stack_top): New function. - (stk_user_handler, stk_extra_stack, stk_extra_stack_size): New - variables. - (no_user_handler): Remove, use NULL instead. - (sigsegv_handler): Extend to support HAVE_STACK_OVERFLOW_RECOVERY. - (install_for): Add SA_ONSTACK to sigaction flags if needed. - (sigsegv_deinstall_handler): Deinstall handlers only if - not needed for stk_user_handler. - (stackoverflow_install_handler, stackoverflow_deinstall_handler): - New functions. - (stack_overflow_handler) [WIN32]: Add context argument. - (main_exception_filter): Pass context argument. - * test1.c (handler): Add `serious' argument. - * test2.c (handler): Likewise. - * test3.c (stackoverflow_handler): Add `scp' argument. Use - sigsegv_leave_handler instead of complicated #ifdef spaghetti. - (main): Call setrlimit, to make sure the recursion doesn't kill the - machine. If stackoverflow_install_handler returns -1, bypass the - test, because it would crash. - -1999-03-15 Bruno Haible <bruno@linuix.math.u-bordeaux.fr> - - * configure.in: Add CL_CC_GCC. - * Makefile.in: Use "-x none" option where appropriate. - * dispatcher.c: In C++ mode, don't define a function named `delete'. - -1999-02-08 Bruno Haible <bruno@linuix.math.u-bordeaux.fr> - - * sigsegv/sigsegv.h.in: Renamed from sigsegv/sigsegv.h. - Added "#undef HAVE_SIGSEGV_RECOVERY", commented out. - * Makefile.in (sigsegv.h): Try compiling and running test1. If it - fails, like on Solaris 2.5 and 2.5.1, uncomment "#undef - HAVE_SIGSEGV_RECOVERY". - * Makefile.msvc: Update. - -1999-01-29 Bruno Haible <bruno@linuix.math.u-bordeaux.fr> - - * sigsegv.h [linux && sparc]: Disable HAVE_SIGSEGV_RECOVERY. It does - not work any more. - diff --git a/libsigsegv/INSTALL b/libsigsegv/INSTALL deleted file mode 100644 index 49cba996..00000000 --- a/libsigsegv/INSTALL +++ /dev/null @@ -1,234 +0,0 @@ -Basic Installation -================== - - These are generic installation instructions. - - The `configure' shell script attempts to guess correct values for -various system-dependent variables used during compilation. It uses -those values to create a `Makefile' in each directory of the package. -It may also create one or more `.h' files containing system-dependent -definitions. Finally, it creates a shell script `config.status' that -you can run in the future to recreate the current configuration, a file -`config.cache' that saves the results of its tests to speed up -reconfiguring, and a file `config.log' containing compiler output -(useful mainly for debugging `configure'). - - If you need to do unusual things to compile the package, please try -to figure out how `configure' could check whether to do them, and mail -diffs or instructions to the address given in the `README' so they can -be considered for the next release. If at some point `config.cache' -contains results you don't want to keep, you may remove or edit it. - - The file `configure.in' is used to create `configure' by a program -called `autoconf'. You only need `configure.in' if you want to change -it or regenerate `configure' using a newer version of `autoconf'. - -The simplest way to compile this package is: - - 1. `cd' to the directory containing the package's source code and type - `./configure' to configure the package for your system. If you're - using `csh' on an old version of System V, you might need to type - `sh ./configure' instead to prevent `csh' from trying to execute - `configure' itself. - - Running `configure' takes awhile. While running, it prints some - messages telling which features it is checking for. - - 2. Type `make' to compile the package. - - 3. Optionally, type `make check' to run any self-tests that come with - the package. - - 4. Type `make install' to install the programs and any data files and - documentation. - - 5. You can remove the program binaries and object files from the - source code directory by typing `make clean'. To also remove the - files that `configure' created (so you can compile the package for - a different kind of computer), type `make distclean'. There is - also a `make maintainer-clean' target, but that is intended mainly - for the package's developers. If you use it, you may have to get - all sorts of other programs in order to regenerate files that came - with the distribution. - -Compilers and Options -===================== - - Some systems require unusual options for compilation or linking that -the `configure' script does not know about. You can give `configure' -initial values for variables by setting them in the environment. Using -a Bourne-compatible shell, you can do that on the command line like -this: - CC=c89 CFLAGS=-O2 LIBS=-lposix ./configure - -Or on systems that have the `env' program, you can do it like this: - env CPPFLAGS=-I/usr/local/include LDFLAGS=-s ./configure - -Compiling For Multiple Architectures -==================================== - - You can compile the package for more than one kind of computer at the -same time, by placing the object files for each architecture in their -own directory. To do this, you must use a version of `make' that -supports the `VPATH' variable, such as GNU `make'. `cd' to the -directory where you want the object files and executables to go and run -the `configure' script. `configure' automatically checks for the -source code in the directory that `configure' is in and in `..'. - - If you have to use a `make' that does not supports the `VPATH' -variable, you have to compile the package for one architecture at a time -in the source code directory. After you have installed the package for -one architecture, use `make distclean' before reconfiguring for another -architecture. - - On MacOS X 10.5 and later systems, you can create libraries and -executables that work on multiple system types--known as "fat" or -"universal" binaries--by specifying multiple '-arch' options to the -compiler but only a single '-arch' option to the preprocessor. Like -this: - - ./configure CC="gcc -arch i386 -arch x86_64 -arch ppc -arch ppc64" \ - CXX="g++ -arch i386 -arch x86_64 -arch ppc -arch ppc64" \ - CPP="gcc -E" CXXCPP="g++ -E" - - This is not guaranteed to produce working output in all cases. You -may have to build one architecture at a time and combine the results -using the 'lipo' tool if you have problems. - -Installation Names -================== - - By default, `make install' will install the package's files in -`/usr/local/bin', `/usr/local/man', etc. You can specify an -installation prefix other than `/usr/local' by giving `configure' the -option `--prefix=PATH'. - - You can specify separate installation prefixes for -architecture-specific files and architecture-independent files. If you -give `configure' the option `--exec-prefix=PATH', the package will use -PATH as the prefix for installing programs and libraries. -Documentation and other data files will still use the regular prefix. - - In addition, if you use an unusual directory layout you can give -options like `--bindir=PATH' to specify different values for particular -kinds of files. Run `configure --help' for a list of the directories -you can set and what kinds of files go in them. - - If the package supports it, you can cause programs to be installed -with an extra prefix or suffix on their names by giving `configure' the -option `--program-prefix=PREFIX' or `--program-suffix=SUFFIX'. - -Optional Features -================= - - Some packages pay attention to `--enable-FEATURE' options to -`configure', where FEATURE indicates an optional part of the package. -They may also pay attention to `--with-PACKAGE' options, where PACKAGE -is something like `gnu-as' or `x' (for the X Window System). The -`README' should mention any `--enable-' and `--with-' options that the -package recognizes. - - For packages that use the X Window System, `configure' can usually -find the X include and library files automatically, but if it doesn't, -you can use the `configure' options `--x-includes=DIR' and -`--x-libraries=DIR' to specify their locations. - - For packages that use the GNU libiconv library, you can use the -`configure' option `--with-libiconv-prefix' to specify the prefix you -used while installing libiconv. - -Particular Systems -================== - - On HP-UX, the default C compiler is not ANSI C compatible. If GNU CC -is not installed, it is recommended to use the following options in order -to use an ANSI C compiler: - - ./configure CC="cc -Ae" - -and if that doesn't work, install pre-built binaries of GCC for HP-UX. - - On OSF/1 a.k.a. Tru64, some versions of the default C compiler cannot -parse its `<wchar.h>' header file. The option `-nodtk' can be used as -a workaround. If GNU CC is not installed, it is therefore recommended -to try - - ./configure CC="cc" - -and if that doesn't work, try - - ./configure CC="cc -nodtk" - - On AIX 3, the C include files by default don't define some necessary -prototype declarations. If GNU CC is not installed, it is recommended to -use the following options: - - ./configure CC="xlc -D_ALL_SOURCE" - - On BeOS, user installed software goes in /boot/home/config, not -/usr/local. It is recommended to use the following options: - - ./configure --prefix=/boot/home/config - -Specifying the System Type -========================== - - There may be some features `configure' can not figure out -automatically, but needs to determine by the type of host the package -will run on. Usually `configure' can figure that out, but if it prints -a message saying it can not guess the host type, give it the -`--host=TYPE' option. TYPE can either be a short name for the system -type, such as `sun4', or a canonical name with three fields: - CPU-COMPANY-SYSTEM - -See the file `config.sub' for the possible values of each field. If -`config.sub' isn't included in this package, then this package doesn't -need to know the host type. - - If you are building compiler tools for cross-compiling, you can also -use the `--target=TYPE' option to select the type of system they will -produce code for and the `--build=TYPE' option to select the type of -system on which you are compiling the package. - -Sharing Defaults -================ - - If you want to set default values for `configure' scripts to share, -you can create a site shell script called `config.site' that gives -default values for variables like `CC', `cache_file', and `prefix'. -`configure' looks for `PREFIX/share/config.site' if it exists, then -`PREFIX/etc/config.site' if it exists. Or, you can set the -`CONFIG_SITE' environment variable to the location of the site script. -A warning: not all `configure' scripts look for a site script. - -Operation Controls -================== - - `configure' recognizes the following options to control how it -operates. - -`--cache-file=FILE' - Use and save the results of the tests in FILE instead of - `./config.cache'. Set FILE to `/dev/null' to disable caching, for - debugging `configure'. - -`--help' - Print a summary of the options to `configure', and exit. - -`--quiet' -`--silent' -`-q' - Do not print messages saying which checks are being made. To - suppress all normal output, redirect it to `/dev/null' (any error - messages will still be shown). - -`--srcdir=DIR' - Look for the package's source code in directory DIR. Usually - `configure' can determine that directory automatically. - -`--version' - Print the version of Autoconf used to generate the `configure' - script, and exit. - -`configure' also accepts some other, not widely useful, options. - diff --git a/libsigsegv/Makefile.am b/libsigsegv/Makefile.am deleted file mode 100644 index 59b508a3..00000000 --- a/libsigsegv/Makefile.am +++ /dev/null @@ -1,76 +0,0 @@ -## Makefile for libsigsegv. -## Copyright (C) 2002-2003, 2007, 2009 Bruno Haible <bruno@clisp.org> -## -## This program is free software; you can redistribute it and/or modify -## it under the terms of the GNU General Public License as published by -## the Free Software Foundation; either version 2, or (at your option) -## any later version. -## -## This program is distributed in the hope that it will be useful, -## but WITHOUT ANY WARRANTY; without even the implied warranty of -## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 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Contributed by Eric Blake. - -New in 2.6: - -* sigsegv_leave_handler is changed. Previously it was a normal function with - no arguments. Now it is a function that take a non-returning continuation - function and three arguments for it as arguments. - Where you had code like - int my_handler(void* fault_address, int serious) - { - ...code_before()...; - sigsegv_leave_handler(); - ...code_after()...; - longjmp(...); - } - you now have to write - void my_handler_tail(void* arg1, void* arg2, void* arg3) - { - ...code_after()...; - longjmp(...); - } - int my_handler(void* fault_address, int serious) - { - ...code_before()...; - #if LIBSIGSEGV_VERSION >= 0x0206 - return sigsegv_leave_handler(my_handler_tail, arg, NULL, NULL); - #else - sigsegv_leave_handler(); - my_handler_tail(arg, NULL, NULL); - /* NOTREACHED */ - abort(); - #endif - } -* sigsegv_leave_handler now works correctly on MacOS X. -* Support for 64-bit ABI on MacOS X 10.5. -* Support for building universal binaries on MacOS X. -* Improved distinction between stack overflow and other fault on NetBSD, - OpenBSD, FreeBSD, Linux, AIX, Solaris. Contributed by Eric Blake. -* GNU gnulib now has an autoconf macro for locating libsigsegv: - http://www.gnu.org/software/gnulib/MODULES.html#module=libsigsegv - -New in 2.5: - -* Support for MacOS X 10.5. - -New in 2.4: - -* Support for GCC 4 on more platforms. -* Added support for catching stack overflow on NetBSD. -* Improved support for catching stack overflow on Linux, Solaris: - Works also when /proc is not mounted or lacks read permissions. - -New in 2.3: - -* Support for GCC 4 on some platforms contributed by Paolo Bonzini. -* Support for MacOS X i386 contributed by Bruno Haible. -* Improved support for Woe32 contributed by Doug Currie. - -New in 2.2: - -* Support for new versions of MacOS X contributed by Paolo Bonzini. -* Improved support for AIX 5, contributed by Bruno Haible. - -New in 2.1: - -* Support for MacOS X contributed by Paolo Bonzini. -* Support for Cygwin contributed by Paolo Bonzini. -* Support for Linux/ia64 and Linux/hppa contributed by Bruno Haible. -* Support for OpenBSD/i386 contributed by Bruno Haible. -* Support for NetBSD/alpha contributed by Paolo Bonzini. - -New in 2.0: - -* Modernized infrastructure. -* Added support for catching stack overflow on AIX 4, HP-UX, and BeOS. -* Dropped support for NeXTstep. -* The function sigsegv_leave_handler() no longer restores the signal mask. - This must now be done by the calling handler (either through sigprocmask - or through siglongjmp). - -New in 1.2: - -* Support for HP-UX contributed by Paolo Bonzini. - -New in 1.1: - -* Catching stack overflow now works on some Unix systems: - - Linux 2.2.x with glibc-2.1, - - Sun Solaris, - - DEC OSF/1 4.0, - - SGI Irix. - diff --git a/libsigsegv/PORTING b/libsigsegv/PORTING deleted file mode 100644 index 0132ce77..00000000 --- a/libsigsegv/PORTING +++ /dev/null @@ -1,249 +0,0 @@ -Successfully tested platforms -============================= - -__PLATFORM__________________________________SIGSEGV__STACK_OVERFLOW__VERSION___ - | | | -alpha-dec-osf4.0d 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-x86_64-unknown-netbsd3.0 | yes | yes | 2.4 -x86_64-unknown-netbsd4.99.72 | yes | yes | 2.5 -amd64-portbld-freebsd5.4 | yes | yes | 2.2 -amd64-portbld-freebsd6.0 | yes | yes | 2.3 -amd64-portbld-freebsd7.0 | yes | yes | 2.3 - - -On FreeBSD 5.2, libsigsegv works best if the /proc filesystem is mounted. -(It is not mounted by default.) - - -Porting to new platforms -======================== - -On Unix systems, where faults are notified to the program through a signal -handler, the core routines in handler-unix.c can be used without -modifications. But they need the following bits of information. Each of -them is stored in a platform dependent file; the file is chosen in configure. - - * List of signals that are sent when an invalid virtual memory address - is accessed, or when the stack overflows. - This is a file among signals-*.h. - configure chooses and sets the variable CFG_SIGNALS. - - * What arguments are passed to a fault handler. - This is a file among fault-*.h. - configure chooses and sets the variable CFG_FAULT. - - * How to determine the stack's virtual memory area. - This is a file among stackvma-*.c. - configure chooses and sets the variable CFG_STACKVMA. - - * How to leave a signal handler that is executing on the alternate - signal stack. - This is a file among leave-*.c. - configure chooses and sets the variable CFG_LEAVE. - -For each of these, the approach should be: - - - Find a way to implement the needed functionality. This might involve - study of the system include files (in particular <signal.h> and - <ucontext.h>) and of the kernel sources. - For CFG_FAULT, the best starting point is to run the tests/sigsegv1 - program with a breakpoint set at 'sigsegv_handler'. - - - Add to configure.in a test whether your new code works. This will - help portability to platforms similar to yours. - Then regenerate the configure script (run "autoconf") and verify - that the test says "yes" on your platform. - - - Create a platform dependent file (e.g. fault-<os>-<cpu>.h) and change - configure.in to choose this particular file when your test says "yes". - Then regenerate the configure script (run "autoconf"). - - - Verify that "make" and "make check" pass. - -For non-Unix systems, a separate handler-<os>.c is likely to be needed. diff --git a/libsigsegv/README b/libsigsegv/README deleted file mode 100644 index 2f4e7651..00000000 --- a/libsigsegv/README +++ /dev/null @@ -1,123 +0,0 @@ - GNU libsigsegv - Handling page faults in user mode - -This is a library for handling page faults in user mode. A page fault -occurs when a program tries to access to a region of memory that is -currently not available. Catching and handling a page fault is a useful -technique for implementing: - - - pageable virtual memory, - - memory-mapped access to persistent databases, - - generational garbage collectors, - - stack overflow handlers, - - distributed shared memory, - - ... - -This library supports three sets of functions, all defined in <sigsegv.h>: - - - Global SIGSEGV handlers: - sigsegv_install_handler, sigsegv_deinstall_handler. - - - Local SIGSEGV handlers (a handler per memory area): - sigsegv_init, sigsegv_register, sigsegv_unregister, sigsegv_dispatch. - - - Stack overflow handlers: - stackoverflow_install_handler, stackoverflow_deinstall_handler. - -Each of the three APIs can be used independently or simultaneously. -For examples of the use of the APIs, see: - - - Global SIGSEGV handlers: see tests/sigsegv1.c. - - Local SIGSEGV handlers: see tests/sigsegv2.c. - - Stack overflow handlers: see tests/stackoverflow1.c. - - -About portability. - -Some platforms don't support this functionality. In <sigsegv.h>, the -preprocessor macro HAVE_SIGSEGV_RECOVERY will be defined if global and -local SIGSEGV handlers are available, and the preprocessor macro -HAVE_STACK_OVERFLOW_RECOVERY will be defined if stack overflow handlers -are available. Note that the declared functions are available in all cases; -on platforms where HAVE_SIGSEGV_RECOVERY or HAVE_STACK_OVERFLOW_RECOVERY is -not defined, they will simply always return an error code or do nothing. - -The list of platforms where this library is known to work is contained in -the file PORTING. - - -About pageable virtual memory. - -Pageable virtual memory is usually done in the operating system's kernel. -This library helps in implementing the others. - -Installing a page fault handler is usually more efficient than doing -access checks in software at every access, because it's effectively the -hardware (the MMU) which checks whether a page is present or not. - -Note that if you use system calls (like read()) to write into write- -protected pages, the system will react by returning -1 and setting -errno to EFAULT, instead of signalling SIGSEGV and restarting the system -call. In this case, the program has to do what the SIGSEGV handler would -do, and then restart the read() operation. Some buggy systems (SunOS 4) -go into an endless loop on this occasion; on these systems you have to -make sure that an area is writable _before_ you call read() on it, - - -About stack overflow handlers. - -In some applications, the stack overflow handler performs some cleanup or -notifies the user and then immediately terminates the application. In -other applications, the stack overflow handler longjmps back to a central -point in the application. This library supports both uses. In the second -case, the handler must ensure to restore the normal signal mask (because -many signals are blocked while the handler is executed), and must also -call sigsegv_leave_handler() to transfer control; then only it can longjmp -away. - - -About shared libraries. - -This library builds as a static library by default. This seems useful -because of the small size of the library (4 KB). Of course, you can build -it as a shared library by specifying the configure option '--enable-shared'. - - -Installation instructions on Unix: - - ./configure - make - make check - make install - -Installation instructions on Woe32: - - See README.woe32. - - -Using libsigsegv in your package: - - For the APIs, see the comments in the <sigsegv.h> file (generated from - src/sigsegv.h.in). - - An autoconf macro for determining where libsigsegv is installed and how to - link with it is part of GNU gnulib, see - <http://www.gnu.org/software/gnulib/MODULES.html#module=libsigsegv> - - -Copyright notice: - -Copyright 1998-1999, 2002-2008 Bruno Haible <bruno@clisp.org> -Copyright 2002-2005 Paolo Bonzini <bonzini@gnu.org> -Copyright 2008 Eric Blake <ebb9@byu.net> - -This is free software distributed under the GNU General Public Licence -described in the file COPYING. There is ABSOLUTELY NO WARRANTY, explicit or -implied, on this software. - - -Download: - -ftp://ftp.gnu.org/pub/gnu/libsigsegv/libsigsegv-2.6.tar.gz -http://ftp.gnu.org/gnu/libsigsegv/libsigsegv-2.6.tar.gz - -Homepage: - -http://libsigsegv.sourceforge.net/ diff --git a/libsigsegv/README.woe32 b/libsigsegv/README.woe32 deleted file mode 100644 index e189d8f7..00000000 --- a/libsigsegv/README.woe32 +++ /dev/null @@ -1,59 +0,0 @@ -Installation on Woe32 (WinNT/2000/XP/Vista, Win95/98/ME): - -=============================================================================== -Installation instructions on Woe32 with Cygwin, compiling for mingw32: - -- Requires the cygwin tools, with the mingw32 compiler and runtime packages. - -- Build instructions: - - Make sure that cygwin's 'bin' directory is the first entry in PATH. - - Run bash. - - CC="gcc -mno-cygwin" ./configure --host=i386-pc-mingw32 - make - make check - make install - -=============================================================================== -Installation instructions on Woe32 with MS Visual C/C++ 4.0, 5.0, 6.0, or 7.0: - -- Requires MS Visual C/C++ 4.0 or 5.0 or 6.0 or 7.0. - - Note that binaries created with MSVC 7.0 should not be distributed: They - depend on a closed-source library 'msvcr70.dll' which is not normally part - of a Woe32 installation. You cannot distribute 'msvcr70.dll' with the - binaries - this would be a violation of the GPL and of the Microsoft EULA. - You can distribute the binaries without including 'msvcr70.dll', but this - will cause problems for users that don't have this library on their system. - Therefore it is not recommended. This problem does not occur with MSVC 6.0 - and earlier. - -- Cannot build in a separate directory. - -- Build instructions: - - Make sure that the MSVC4.0 or MSVC5.0 or MSVC6.0 utilities ("cl" etc.) are - found in PATH. - - For shared library (DLL): **NOT YET SUPPORTED** - - nmake -f Makefile.msvc DLL=1 MFLAGS=-MD check - - For static library: - - nmake -f Makefile.msvc check - - If you want to build both the shared and static library, you have to - unpack the libsigsegv sources twice in different directories. Don't mix - the two formats; you cannot use the sigsegv.h generated for the static - library together with the shared library or vice versa. - -- Installation: - - Copy sigsegv.h to your header file repository. - Copy sigsegv.lib to your library repository. - If you built for shared library, also copy sigsegv.dll into one of the - directories listed in your PATH, or into the directory containing the - executable which shall make use of libsigsegv. diff --git a/libsigsegv/aclocal.m4 b/libsigsegv/aclocal.m4 deleted file mode 100644 index 8245dd15..00000000 --- a/libsigsegv/aclocal.m4 +++ /dev/null @@ -1,976 +0,0 @@ -# generated automatically by aclocal 1.11 -*- Autoconf -*- - -# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, -# 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc. -# This file is free software; the Free Software Foundation -# gives unlimited permission to copy and/or distribute it, -# with or without modifications, as long as this notice is preserved. - -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY, to the extent permitted by law; without -# even the implied warranty of MERCHANTABILITY or FITNESS FOR A -# PARTICULAR PURPOSE. - -m4_ifndef([AC_AUTOCONF_VERSION], - [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl -m4_if(m4_defn([AC_AUTOCONF_VERSION]), [2.63],, -[m4_warning([this file was generated for autoconf 2.63. -You have another version of autoconf. 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Ake) contributed MIS and NILE. - if test "`(/bin/universe) 2>/dev/null`" = att ; then - echo pyramid-pyramid-sysv3 - else - echo pyramid-pyramid-bsd - fi - exit ;; - NILE*:*:*:dcosx) - echo pyramid-pyramid-svr4 - exit ;; - DRS?6000:unix:4.0:6*) - echo sparc-icl-nx6 - exit ;; - DRS?6000:UNIX_SV:4.2*:7* | DRS?6000:isis:4.2*:7*) - case `/usr/bin/uname -p` in - sparc) echo sparc-icl-nx7; exit ;; - esac ;; - sun4H:SunOS:5.*:*) - echo sparc-hal-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` - exit ;; - sun4*:SunOS:5.*:* | tadpole*:SunOS:5.*:*) - echo sparc-sun-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` - exit ;; - i86pc:SunOS:5.*:* | i86xen:SunOS:5.*:*) - echo i386-pc-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` - exit ;; - sun4*:SunOS:6*:*) - # According to config.sub, this is the proper way to canonicalize - # SunOS6. Hard to guess exactly what SunOS6 will be like, but - # it's likely to be more like Solaris than SunOS4. - echo sparc-sun-solaris3`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` - exit ;; - sun4*:SunOS:*:*) - case "`/usr/bin/arch -k`" in - Series*|S4*) - UNAME_RELEASE=`uname -v` - ;; - esac - # Japanese Language versions have a version number like `4.1.3-JL'. - echo sparc-sun-sunos`echo ${UNAME_RELEASE}|sed -e 's/-/_/'` - exit ;; - sun3*:SunOS:*:*) - echo m68k-sun-sunos${UNAME_RELEASE} - exit ;; - sun*:*:4.2BSD:*) - UNAME_RELEASE=`(sed 1q /etc/motd | awk '{print substr($5,1,3)}') 2>/dev/null` - test "x${UNAME_RELEASE}" = "x" && UNAME_RELEASE=3 - case "`/bin/arch`" in - sun3) - echo m68k-sun-sunos${UNAME_RELEASE} - ;; - sun4) - echo sparc-sun-sunos${UNAME_RELEASE} - ;; - esac - exit ;; - aushp:SunOS:*:*) - echo sparc-auspex-sunos${UNAME_RELEASE} - exit ;; - # The situation for MiNT is a little confusing. The machine name - # can be virtually everything (everything which is not - # "atarist" or "atariste" at least should have a processor - # > m68000). The system name ranges from "MiNT" over "FreeMiNT" - # to the lowercase version "mint" (or "freemint"). Finally - # the system name "TOS" denotes a system which is actually not - # MiNT. But MiNT is downward compatible to TOS, so this should - # be no problem. - atarist[e]:*MiNT:*:* | atarist[e]:*mint:*:* | atarist[e]:*TOS:*:*) - echo m68k-atari-mint${UNAME_RELEASE} - exit ;; - atari*:*MiNT:*:* | atari*:*mint:*:* | atarist[e]:*TOS:*:*) - echo m68k-atari-mint${UNAME_RELEASE} - exit ;; - *falcon*:*MiNT:*:* | *falcon*:*mint:*:* | *falcon*:*TOS:*:*) - echo m68k-atari-mint${UNAME_RELEASE} - exit ;; - milan*:*MiNT:*:* | milan*:*mint:*:* | *milan*:*TOS:*:*) - echo m68k-milan-mint${UNAME_RELEASE} - exit ;; - hades*:*MiNT:*:* | hades*:*mint:*:* | *hades*:*TOS:*:*) - echo m68k-hades-mint${UNAME_RELEASE} - exit ;; - *:*MiNT:*:* | *:*mint:*:* | *:*TOS:*:*) - echo m68k-unknown-mint${UNAME_RELEASE} - exit ;; - m68k:machten:*:*) - echo m68k-apple-machten${UNAME_RELEASE} - exit ;; - powerpc:machten:*:*) - echo powerpc-apple-machten${UNAME_RELEASE} - exit ;; - RISC*:Mach:*:*) - echo mips-dec-mach_bsd4.3 - exit ;; - RISC*:ULTRIX:*:*) - echo mips-dec-ultrix${UNAME_RELEASE} - exit ;; - VAX*:ULTRIX*:*:*) - echo vax-dec-ultrix${UNAME_RELEASE} - exit ;; - 2020:CLIX:*:* | 2430:CLIX:*:*) - echo clipper-intergraph-clix${UNAME_RELEASE} - exit ;; - mips:*:*:UMIPS | mips:*:*:RISCos) - eval $set_cc_for_build - sed 's/^ //' << EOF >$dummy.c -#ifdef __cplusplus -#include <stdio.h> /* for printf() prototype */ - int main (int argc, char *argv[]) { -#else - int main (argc, argv) int argc; char *argv[]; { -#endif - #if defined (host_mips) && defined (MIPSEB) - #if defined (SYSTYPE_SYSV) - printf ("mips-mips-riscos%ssysv\n", argv[1]); exit (0); - #endif - #if defined (SYSTYPE_SVR4) - printf ("mips-mips-riscos%ssvr4\n", argv[1]); exit (0); - #endif - #if defined (SYSTYPE_BSD43) || defined(SYSTYPE_BSD) - printf ("mips-mips-riscos%sbsd\n", argv[1]); exit (0); - #endif - #endif - exit (-1); - } -EOF - $CC_FOR_BUILD -o $dummy $dummy.c && - dummyarg=`echo "${UNAME_RELEASE}" | sed -n 's/\([0-9]*\).*/\1/p'` && - SYSTEM_NAME=`$dummy $dummyarg` && - { echo "$SYSTEM_NAME"; exit; } - echo mips-mips-riscos${UNAME_RELEASE} - exit ;; - Motorola:PowerMAX_OS:*:*) - echo powerpc-motorola-powermax - exit ;; - Motorola:*:4.3:PL8-*) - echo powerpc-harris-powermax - exit ;; - Night_Hawk:*:*:PowerMAX_OS | Synergy:PowerMAX_OS:*:*) - echo powerpc-harris-powermax - exit ;; - Night_Hawk:Power_UNIX:*:*) - echo powerpc-harris-powerunix - exit ;; - m88k:CX/UX:7*:*) - echo m88k-harris-cxux7 - exit ;; - m88k:*:4*:R4*) - echo m88k-motorola-sysv4 - exit ;; - m88k:*:3*:R3*) - echo m88k-motorola-sysv3 - exit ;; - AViiON:dgux:*:*) - # DG/UX returns AViiON for all architectures - UNAME_PROCESSOR=`/usr/bin/uname -p` - if [ $UNAME_PROCESSOR = mc88100 ] || [ $UNAME_PROCESSOR = mc88110 ] - then - if [ ${TARGET_BINARY_INTERFACE}x = m88kdguxelfx ] || \ - [ ${TARGET_BINARY_INTERFACE}x = x ] - then - echo m88k-dg-dgux${UNAME_RELEASE} - else - echo m88k-dg-dguxbcs${UNAME_RELEASE} - fi - else - echo i586-dg-dgux${UNAME_RELEASE} - fi - exit ;; - M88*:DolphinOS:*:*) # DolphinOS (SVR3) - echo m88k-dolphin-sysv3 - exit ;; - M88*:*:R3*:*) - # Delta 88k system running SVR3 - echo m88k-motorola-sysv3 - exit ;; - XD88*:*:*:*) # Tektronix XD88 system running UTekV (SVR3) - echo m88k-tektronix-sysv3 - exit ;; - Tek43[0-9][0-9]:UTek:*:*) # Tektronix 4300 system running UTek (BSD) - echo m68k-tektronix-bsd - exit ;; - *:IRIX*:*:*) - echo mips-sgi-irix`echo ${UNAME_RELEASE}|sed -e 's/-/_/g'` - exit ;; - ????????:AIX?:[12].1:2) # AIX 2.2.1 or AIX 2.1.1 is RT/PC AIX. - echo romp-ibm-aix # uname -m gives an 8 hex-code CPU id - exit ;; # Note that: echo "'`uname -s`'" gives 'AIX ' - i*86:AIX:*:*) - echo i386-ibm-aix - exit ;; - ia64:AIX:*:*) - if [ -x /usr/bin/oslevel ] ; then - IBM_REV=`/usr/bin/oslevel` - else - IBM_REV=${UNAME_VERSION}.${UNAME_RELEASE} - fi - echo ${UNAME_MACHINE}-ibm-aix${IBM_REV} - exit ;; - *:AIX:2:3) - if grep bos325 /usr/include/stdio.h >/dev/null 2>&1; then - eval $set_cc_for_build - sed 's/^ //' << EOF >$dummy.c - #include <sys/systemcfg.h> - - main() - { - if (!__power_pc()) - exit(1); - puts("powerpc-ibm-aix3.2.5"); - exit(0); - } -EOF - if $CC_FOR_BUILD -o $dummy $dummy.c && SYSTEM_NAME=`$dummy` - then - echo "$SYSTEM_NAME" - else - echo rs6000-ibm-aix3.2.5 - fi - elif grep bos324 /usr/include/stdio.h >/dev/null 2>&1; then - echo rs6000-ibm-aix3.2.4 - else - echo rs6000-ibm-aix3.2 - fi - exit ;; - *:AIX:*:[456]) - IBM_CPU_ID=`/usr/sbin/lsdev -C -c processor -S available | sed 1q | awk '{ print $1 }'` - if /usr/sbin/lsattr -El ${IBM_CPU_ID} | grep ' POWER' >/dev/null 2>&1; then - IBM_ARCH=rs6000 - else - IBM_ARCH=powerpc - fi - if [ -x /usr/bin/oslevel ] ; then - IBM_REV=`/usr/bin/oslevel` - else - IBM_REV=${UNAME_VERSION}.${UNAME_RELEASE} - fi - echo ${IBM_ARCH}-ibm-aix${IBM_REV} - exit ;; - *:AIX:*:*) - echo rs6000-ibm-aix - exit ;; - ibmrt:4.4BSD:*|romp-ibm:BSD:*) - echo romp-ibm-bsd4.4 - exit ;; - ibmrt:*BSD:*|romp-ibm:BSD:*) # covers RT/PC BSD and - echo romp-ibm-bsd${UNAME_RELEASE} # 4.3 with uname added to - exit ;; # report: romp-ibm BSD 4.3 - *:BOSX:*:*) - echo rs6000-bull-bosx - exit ;; - DPX/2?00:B.O.S.:*:*) - echo m68k-bull-sysv3 - exit ;; - 9000/[34]??:4.3bsd:1.*:*) - echo m68k-hp-bsd - exit ;; - hp300:4.4BSD:*:* | 9000/[34]??:4.3bsd:2.*:*) - echo m68k-hp-bsd4.4 - exit ;; - 9000/[34678]??:HP-UX:*:*) - HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'` - case "${UNAME_MACHINE}" in - 9000/31? ) HP_ARCH=m68000 ;; - 9000/[34]?? ) HP_ARCH=m68k ;; - 9000/[678][0-9][0-9]) - if [ -x /usr/bin/getconf ]; then - sc_cpu_version=`/usr/bin/getconf SC_CPU_VERSION 2>/dev/null` - sc_kernel_bits=`/usr/bin/getconf SC_KERNEL_BITS 2>/dev/null` - case "${sc_cpu_version}" in - 523) HP_ARCH="hppa1.0" ;; # CPU_PA_RISC1_0 - 528) HP_ARCH="hppa1.1" ;; # CPU_PA_RISC1_1 - 532) # CPU_PA_RISC2_0 - case "${sc_kernel_bits}" in - 32) HP_ARCH="hppa2.0n" ;; - 64) HP_ARCH="hppa2.0w" ;; - '') HP_ARCH="hppa2.0" ;; # HP-UX 10.20 - esac ;; - esac - fi - if [ "${HP_ARCH}" = "" ]; then - eval $set_cc_for_build - sed 's/^ //' << EOF >$dummy.c - - #define _HPUX_SOURCE - #include <stdlib.h> - #include <unistd.h> - - int main () - { - #if defined(_SC_KERNEL_BITS) - long bits = sysconf(_SC_KERNEL_BITS); - #endif - long cpu = sysconf (_SC_CPU_VERSION); - - switch (cpu) - { - case CPU_PA_RISC1_0: puts ("hppa1.0"); break; - case CPU_PA_RISC1_1: puts ("hppa1.1"); break; - case CPU_PA_RISC2_0: - #if defined(_SC_KERNEL_BITS) - switch (bits) - { - case 64: puts ("hppa2.0w"); break; - case 32: puts ("hppa2.0n"); break; - default: puts ("hppa2.0"); break; - } break; - #else /* !defined(_SC_KERNEL_BITS) */ - puts ("hppa2.0"); break; - #endif - default: puts ("hppa1.0"); break; - } - exit (0); - } -EOF - (CCOPTS= $CC_FOR_BUILD -o $dummy $dummy.c 2>/dev/null) && HP_ARCH=`$dummy` - test -z "$HP_ARCH" && HP_ARCH=hppa - fi ;; - esac - if [ ${HP_ARCH} = "hppa2.0w" ] - then - eval $set_cc_for_build - - # hppa2.0w-hp-hpux* has a 64-bit kernel and a compiler generating - # 32-bit code. hppa64-hp-hpux* has the same kernel and a compiler - # generating 64-bit code. GNU and HP use different nomenclature: - # - # $ CC_FOR_BUILD=cc ./config.guess - # => hppa2.0w-hp-hpux11.23 - # $ CC_FOR_BUILD="cc +DA2.0w" ./config.guess - # => hppa64-hp-hpux11.23 - - if echo __LP64__ | (CCOPTS= $CC_FOR_BUILD -E - 2>/dev/null) | - grep __LP64__ >/dev/null - then - HP_ARCH="hppa2.0w" - else - HP_ARCH="hppa64" - fi - fi - echo ${HP_ARCH}-hp-hpux${HPUX_REV} - exit ;; - ia64:HP-UX:*:*) - HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'` - echo ia64-hp-hpux${HPUX_REV} - exit ;; - 3050*:HI-UX:*:*) - eval $set_cc_for_build - sed 's/^ //' << EOF >$dummy.c - #include <unistd.h> - int - main () - { - long cpu = sysconf (_SC_CPU_VERSION); - /* The order matters, because CPU_IS_HP_MC68K erroneously returns - true for CPU_PA_RISC1_0. CPU_IS_PA_RISC returns correct - results, however. */ - if (CPU_IS_PA_RISC (cpu)) - { - switch (cpu) - { - case CPU_PA_RISC1_0: puts ("hppa1.0-hitachi-hiuxwe2"); break; - case CPU_PA_RISC1_1: puts ("hppa1.1-hitachi-hiuxwe2"); break; - case CPU_PA_RISC2_0: puts ("hppa2.0-hitachi-hiuxwe2"); break; - default: puts ("hppa-hitachi-hiuxwe2"); break; - } - } - else if (CPU_IS_HP_MC68K (cpu)) - puts ("m68k-hitachi-hiuxwe2"); - else puts ("unknown-hitachi-hiuxwe2"); - exit (0); - } -EOF - $CC_FOR_BUILD -o $dummy $dummy.c && SYSTEM_NAME=`$dummy` && - { echo "$SYSTEM_NAME"; exit; } - echo unknown-hitachi-hiuxwe2 - exit ;; - 9000/7??:4.3bsd:*:* | 9000/8?[79]:4.3bsd:*:* ) - echo hppa1.1-hp-bsd - exit ;; - 9000/8??:4.3bsd:*:*) - echo hppa1.0-hp-bsd - exit ;; - *9??*:MPE/iX:*:* | *3000*:MPE/iX:*:*) - echo hppa1.0-hp-mpeix - exit ;; - hp7??:OSF1:*:* | hp8?[79]:OSF1:*:* ) - echo hppa1.1-hp-osf - exit ;; - hp8??:OSF1:*:*) - echo hppa1.0-hp-osf - exit ;; - i*86:OSF1:*:*) - if [ -x /usr/sbin/sysversion ] ; then - echo ${UNAME_MACHINE}-unknown-osf1mk - else - echo ${UNAME_MACHINE}-unknown-osf1 - fi - exit ;; - parisc*:Lites*:*:*) - echo hppa1.1-hp-lites - exit ;; - C1*:ConvexOS:*:* | convex:ConvexOS:C1*:*) - echo c1-convex-bsd - exit ;; - C2*:ConvexOS:*:* | convex:ConvexOS:C2*:*) - if getsysinfo -f scalar_acc - then echo c32-convex-bsd - else echo c2-convex-bsd - fi - exit ;; - C34*:ConvexOS:*:* | convex:ConvexOS:C34*:*) - echo c34-convex-bsd - exit ;; - C38*:ConvexOS:*:* | convex:ConvexOS:C38*:*) - echo c38-convex-bsd - exit ;; - C4*:ConvexOS:*:* | convex:ConvexOS:C4*:*) - echo c4-convex-bsd - exit ;; - CRAY*Y-MP:*:*:*) - echo ymp-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' - exit ;; - CRAY*[A-Z]90:*:*:*) - echo ${UNAME_MACHINE}-cray-unicos${UNAME_RELEASE} \ - | sed -e 's/CRAY.*\([A-Z]90\)/\1/' \ - -e y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/ \ - -e 's/\.[^.]*$/.X/' - exit ;; - CRAY*TS:*:*:*) - echo t90-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' - exit ;; - CRAY*T3E:*:*:*) - echo alphaev5-cray-unicosmk${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' - exit ;; - CRAY*SV1:*:*:*) - echo sv1-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' - exit ;; - *:UNICOS/mp:*:*) - echo craynv-cray-unicosmp${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' - exit ;; - F30[01]:UNIX_System_V:*:* | F700:UNIX_System_V:*:*) - FUJITSU_PROC=`uname -m | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'` - FUJITSU_SYS=`uname -p | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/\///'` - FUJITSU_REL=`echo ${UNAME_RELEASE} | sed -e 's/ /_/'` - echo "${FUJITSU_PROC}-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}" - exit ;; - 5000:UNIX_System_V:4.*:*) - FUJITSU_SYS=`uname -p | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/\///'` - FUJITSU_REL=`echo ${UNAME_RELEASE} | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/ /_/'` - echo "sparc-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}" - exit ;; - i*86:BSD/386:*:* | i*86:BSD/OS:*:* | *:Ascend\ Embedded/OS:*:*) - echo ${UNAME_MACHINE}-pc-bsdi${UNAME_RELEASE} - exit ;; - sparc*:BSD/OS:*:*) - echo sparc-unknown-bsdi${UNAME_RELEASE} - exit ;; - *:BSD/OS:*:*) - echo ${UNAME_MACHINE}-unknown-bsdi${UNAME_RELEASE} - exit ;; - *:FreeBSD:*:*) - case ${UNAME_MACHINE} in - pc98) - echo i386-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;; - amd64) - echo x86_64-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;; - *) - echo ${UNAME_MACHINE}-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;; - esac - exit ;; - i*:CYGWIN*:*) - echo ${UNAME_MACHINE}-pc-cygwin - exit ;; - *:MINGW*:*) - echo ${UNAME_MACHINE}-pc-mingw32 - exit ;; - i*:windows32*:*) - # uname -m includes "-pc" on this system. - echo ${UNAME_MACHINE}-mingw32 - exit ;; - i*:PW*:*) - echo ${UNAME_MACHINE}-pc-pw32 - exit ;; - *:Interix*:[3456]*) - case ${UNAME_MACHINE} in - x86) - echo i586-pc-interix${UNAME_RELEASE} - exit ;; - EM64T | authenticamd) - echo x86_64-unknown-interix${UNAME_RELEASE} - exit ;; - IA64) - echo ia64-unknown-interix${UNAME_RELEASE} - exit ;; - esac ;; - [345]86:Windows_95:* | [345]86:Windows_98:* | [345]86:Windows_NT:*) - echo i${UNAME_MACHINE}-pc-mks - exit ;; - i*:Windows_NT*:* | Pentium*:Windows_NT*:*) - # How do we know it's Interix rather than the generic POSIX subsystem? - # It also conflicts with pre-2.0 versions of AT&T UWIN. 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- KS10:TOPS-20:*:* | KL10:TOPS-20:*:* | TYPE4:TOPS-20:*:*) - echo pdp10-dec-tops20 - exit ;; - XKL-1:TOPS-20:*:* | TYPE5:TOPS-20:*:*) - echo pdp10-xkl-tops20 - exit ;; - *:TOPS-20:*:*) - echo pdp10-unknown-tops20 - exit ;; - *:ITS:*:*) - echo pdp10-unknown-its - exit ;; - SEI:*:*:SEIUX) - echo mips-sei-seiux${UNAME_RELEASE} - exit ;; - *:DragonFly:*:*) - echo ${UNAME_MACHINE}-unknown-dragonfly`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` - exit ;; - *:*VMS:*:*) - UNAME_MACHINE=`(uname -p) 2>/dev/null` - case "${UNAME_MACHINE}" in - A*) echo alpha-dec-vms ; exit ;; - I*) echo ia64-dec-vms ; exit ;; - V*) echo vax-dec-vms ; exit ;; - esac ;; - *:XENIX:*:SysV) - echo i386-pc-xenix - exit ;; - i*86:skyos:*:*) - echo ${UNAME_MACHINE}-pc-skyos`echo ${UNAME_RELEASE}` | sed -e 's/ .*$//' - exit ;; - i*86:rdos:*:*) - echo ${UNAME_MACHINE}-pc-rdos - exit ;; -esac - -#echo '(No uname command or uname output not recognized.)' 1>&2 -#echo "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" 1>&2 - -eval $set_cc_for_build -cat >$dummy.c <<EOF -#ifdef _SEQUENT_ -# include <sys/types.h> -# include <sys/utsname.h> -#endif -main () -{ -#if defined (sony) -#if defined (MIPSEB) - /* BFD wants "bsd" instead of "newsos". Perhaps BFD should be changed, - I don't know.... */ - printf ("mips-sony-bsd\n"); exit (0); -#else -#include <sys/param.h> - printf ("m68k-sony-newsos%s\n", -#ifdef NEWSOS4 - "4" -#else - "" -#endif - ); exit (0); -#endif -#endif - -#if defined (__arm) && defined (__acorn) && defined (__unix) - printf ("arm-acorn-riscix\n"); exit (0); -#endif - -#if defined (hp300) && !defined (hpux) - printf ("m68k-hp-bsd\n"); exit (0); -#endif - -#if defined (NeXT) -#if !defined (__ARCHITECTURE__) -#define __ARCHITECTURE__ "m68k" -#endif - int version; - version=`(hostinfo | sed -n 's/.*NeXT Mach \([0-9]*\).*/\1/p') 2>/dev/null`; - if (version < 4) - printf ("%s-next-nextstep%d\n", __ARCHITECTURE__, version); - else - printf ("%s-next-openstep%d\n", __ARCHITECTURE__, version); - exit (0); -#endif - -#if defined (MULTIMAX) || defined (n16) -#if defined (UMAXV) - printf ("ns32k-encore-sysv\n"); exit (0); -#else -#if defined (CMU) - printf ("ns32k-encore-mach\n"); exit (0); -#else - printf ("ns32k-encore-bsd\n"); exit (0); -#endif -#endif -#endif - -#if defined (__386BSD__) - printf ("i386-pc-bsd\n"); exit (0); -#endif - -#if defined (sequent) -#if defined (i386) - printf ("i386-sequent-dynix\n"); exit (0); -#endif -#if defined (ns32000) - printf ("ns32k-sequent-dynix\n"); exit (0); -#endif -#endif - -#if defined (_SEQUENT_) - struct utsname un; - - uname(&un); - - if (strncmp(un.version, "V2", 2) == 0) { - printf ("i386-sequent-ptx2\n"); exit (0); - } - if (strncmp(un.version, "V1", 2) == 0) { /* XXX is V1 correct? */ - printf ("i386-sequent-ptx1\n"); exit (0); - } - printf ("i386-sequent-ptx\n"); exit (0); - -#endif - -#if defined (vax) -# if !defined (ultrix) -# include <sys/param.h> -# if defined (BSD) -# if BSD == 43 - printf ("vax-dec-bsd4.3\n"); exit (0); -# else -# if BSD == 199006 - printf ("vax-dec-bsd4.3reno\n"); exit (0); -# else - printf ("vax-dec-bsd\n"); exit (0); -# endif -# endif -# else - printf ("vax-dec-bsd\n"); exit (0); -# endif -# else - printf ("vax-dec-ultrix\n"); exit (0); -# endif -#endif - -#if defined (alliant) && defined (i860) - printf ("i860-alliant-bsd\n"); exit (0); -#endif - - exit (1); -} -EOF - -$CC_FOR_BUILD -o $dummy $dummy.c 2>/dev/null && SYSTEM_NAME=`$dummy` && - { echo "$SYSTEM_NAME"; exit; } - -# Apollos put the system type in the environment. - -test -d /usr/apollo && { echo ${ISP}-apollo-${SYSTYPE}; exit; } - -# Convex versions that predate uname can use getsysinfo(1) - -if [ -x /usr/convex/getsysinfo ] -then - case `getsysinfo -f cpu_type` in - c1*) - echo c1-convex-bsd - exit ;; - c2*) - if getsysinfo -f scalar_acc - then echo c32-convex-bsd - else echo c2-convex-bsd - fi - exit ;; - c34*) - echo c34-convex-bsd - exit ;; - c38*) - echo c38-convex-bsd - exit ;; - c4*) - echo c4-convex-bsd - exit ;; - esac -fi - -cat >&2 <<EOF -$0: unable to guess system type - -This script, last modified $timestamp, has failed to recognize -the operating system you are using. It is advised that you -download the most up to date version of the config scripts from - - http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.guess;hb=HEAD -and - http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.sub;hb=HEAD - -If the version you run ($0) is already up to date, please -send the following data and any information you think might be -pertinent to <config-patches@gnu.org> in order to provide the needed -information to handle your system. - -config.guess timestamp = $timestamp - -uname -m = `(uname -m) 2>/dev/null || echo unknown` -uname -r = `(uname -r) 2>/dev/null || echo unknown` -uname -s = `(uname -s) 2>/dev/null || echo unknown` -uname -v = `(uname -v) 2>/dev/null || echo unknown` - -/usr/bin/uname -p = `(/usr/bin/uname -p) 2>/dev/null` -/bin/uname -X = `(/bin/uname -X) 2>/dev/null` - -hostinfo = `(hostinfo) 2>/dev/null` -/bin/universe = `(/bin/universe) 2>/dev/null` -/usr/bin/arch -k = `(/usr/bin/arch -k) 2>/dev/null` -/bin/arch = `(/bin/arch) 2>/dev/null` -/usr/bin/oslevel = `(/usr/bin/oslevel) 2>/dev/null` -/usr/convex/getsysinfo = `(/usr/convex/getsysinfo) 2>/dev/null` - -UNAME_MACHINE = ${UNAME_MACHINE} -UNAME_RELEASE = ${UNAME_RELEASE} -UNAME_SYSTEM = ${UNAME_SYSTEM} -UNAME_VERSION = ${UNAME_VERSION} -EOF - -exit 1 - -# Local variables: -# eval: (add-hook 'write-file-hooks 'time-stamp) -# time-stamp-start: "timestamp='" -# time-stamp-format: "%:y-%02m-%02d" -# time-stamp-end: "'" -# End: diff --git a/libsigsegv/build-aux/config.sub b/libsigsegv/build-aux/config.sub deleted file mode 100755 index 053e7381..00000000 --- a/libsigsegv/build-aux/config.sub +++ /dev/null @@ -1,1677 +0,0 @@ -#! /bin/sh -# Configuration validation subroutine script. -# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, -# 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 -# Free Software Foundation, Inc. - -timestamp='2008-09-08' - -# This file is (in principle) common to ALL GNU software. -# The presence of a machine in this file suggests that SOME GNU software -# can handle that machine. It does not imply ALL GNU software can. -# -# This file is free software; you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation; either version 2 of the License, or -# (at your option) any later version. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA -# 02110-1301, USA. -# -# As a special exception to the GNU General Public License, if you -# distribute this file as part of a program that contains a -# configuration script generated by Autoconf, you may include it under -# the same distribution terms that you use for the rest of that program. - - -# Please send patches to <config-patches@gnu.org>. Submit a context -# diff and a properly formatted ChangeLog entry. -# -# Configuration subroutine to validate and canonicalize a configuration type. -# Supply the specified configuration type as an argument. -# If it is invalid, we print an error message on stderr and exit with code 1. -# Otherwise, we print the canonical config type on stdout and succeed. - -# This file is supposed to be the same for all GNU packages -# and recognize all the CPU types, system types and aliases -# that are meaningful with *any* GNU software. -# Each package is responsible for reporting which valid configurations -# it does not support. 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This prevents here-documents from being -# left over by shells. -exec_cmd= - -# func_fatal_configuration arg... -# Echo program name prefixed message to standard error, followed by -# a configuration failure hint, and exit. -func_fatal_configuration () -{ - func_error ${1+"$@"} - func_error "See the $PACKAGE documentation for more information." - func_fatal_error "Fatal configuration error." -} - - -# func_config -# Display the configuration for all the tags in this script. -func_config () -{ - re_begincf='^# ### BEGIN LIBTOOL' - re_endcf='^# ### END LIBTOOL' - - # Default configuration. - $SED "1,/$re_begincf CONFIG/d;/$re_endcf CONFIG/,\$d" < "$progpath" - - # Now print the configurations for the tags. - for tagname in $taglist; do - $SED -n "/$re_begincf TAG CONFIG: $tagname\$/,/$re_endcf TAG CONFIG: $tagname\$/p" < "$progpath" - done - - exit $? -} - -# func_features -# Display the features supported by this script. -func_features () -{ - $ECHO "host: $host" - if test "$build_libtool_libs" = yes; then - $ECHO "enable shared libraries" - else - $ECHO "disable shared libraries" - fi - if test "$build_old_libs" = yes; then - $ECHO "enable static libraries" - else - $ECHO "disable static libraries" - fi - - exit $? -} - -# func_enable_tag tagname -# Verify that TAGNAME is valid, and either flag an error and exit, or -# enable the TAGNAME tag. We also add TAGNAME to the global $taglist -# variable here. -func_enable_tag () -{ - # Global variable: - tagname="$1" - - re_begincf="^# ### BEGIN LIBTOOL TAG CONFIG: $tagname\$" - re_endcf="^# ### END LIBTOOL TAG CONFIG: $tagname\$" - sed_extractcf="/$re_begincf/,/$re_endcf/p" - - # Validate tagname. - case $tagname in - *[!-_A-Za-z0-9,/]*) - func_fatal_error "invalid tag name: $tagname" - ;; - esac - - # Don't test for the "default" C tag, as we know it's - # there but not specially marked. - case $tagname in - CC) ;; - *) - if $GREP "$re_begincf" "$progpath" >/dev/null 2>&1; then - taglist="$taglist $tagname" - - # Evaluate the configuration. 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This is $PACKAGE $VERSION, but the -$progname: definition of this LT_INIT comes from an older release. -$progname: You should recreate aclocal.m4 with macros from $PACKAGE $VERSION -$progname: and run autoconf again. -_LT_EOF - else - cat >&2 <<_LT_EOF -$progname: Version mismatch error. This is $PACKAGE $VERSION, but the -$progname: definition of this LT_INIT comes from $PACKAGE $macro_version. -$progname: You should recreate aclocal.m4 with macros from $PACKAGE $VERSION -$progname: and run autoconf again. -_LT_EOF - fi - else - cat >&2 <<_LT_EOF -$progname: Version mismatch error. This is $PACKAGE $VERSION, revision $package_revision, -$progname: but the definition of this LT_INIT comes from revision $macro_revision. -$progname: You should recreate aclocal.m4 with macros from revision $package_revision -$progname: of $PACKAGE $VERSION and run autoconf again. -_LT_EOF - fi - - exit $EXIT_MISMATCH - fi -} - - -## ----------- ## -## Main. ## -## ----------- ## - -$opt_help || { - # Sanity checks first: - func_check_version_match - - if test "$build_libtool_libs" != yes && test "$build_old_libs" != yes; then - func_fatal_configuration "not configured to build any kind of library" - fi - - test -z "$mode" && func_fatal_error "error: you must specify a MODE." - - - # Darwin sucks - eval std_shrext=\"$shrext_cmds\" - - - # Only execute mode is allowed to have -dlopen flags. - if test -n "$execute_dlfiles" && test "$mode" != execute; then - func_error "unrecognized option \`-dlopen'" - $ECHO "$help" 1>&2 - exit $EXIT_FAILURE - fi - - # Change the help message to a mode-specific one. - generic_help="$help" - help="Try \`$progname --help --mode=$mode' for more information." -} - - -# func_lalib_p file -# True iff FILE is a libtool `.la' library or `.lo' object file. -# This function is only a basic sanity check; it will hardly flush out -# determined imposters. -func_lalib_p () -{ - test -f "$1" && - $SED -e 4q "$1" 2>/dev/null \ - | $GREP "^# Generated by .*$PACKAGE" > /dev/null 2>&1 -} - -# func_lalib_unsafe_p file -# True iff FILE is a libtool `.la' library or `.lo' object file. -# This function implements the same check as func_lalib_p without -# resorting to external programs. To this end, it redirects stdin and -# closes it afterwards, without saving the original file descriptor. -# As a safety measure, use it only where a negative result would be -# fatal anyway. Works if `file' does not exist. -func_lalib_unsafe_p () -{ - lalib_p=no - if test -f "$1" && test -r "$1" && exec 5<&0 <"$1"; then - for lalib_p_l in 1 2 3 4 - do - read lalib_p_line - case "$lalib_p_line" in - \#\ Generated\ by\ *$PACKAGE* ) lalib_p=yes; break;; - esac - done - exec 0<&5 5<&- - fi - test "$lalib_p" = yes -} - -# func_ltwrapper_script_p file -# True iff FILE is a libtool wrapper script -# This function is only a basic sanity check; it will hardly flush out -# determined imposters. -func_ltwrapper_script_p () -{ - func_lalib_p "$1" -} - -# func_ltwrapper_executable_p file -# True iff FILE is a libtool wrapper executable -# This function is only a basic sanity check; it will hardly flush out -# determined imposters. -func_ltwrapper_executable_p () -{ - func_ltwrapper_exec_suffix= - case $1 in - *.exe) ;; - *) func_ltwrapper_exec_suffix=.exe ;; - esac - $GREP "$magic_exe" "$1$func_ltwrapper_exec_suffix" >/dev/null 2>&1 -} - -# func_ltwrapper_scriptname file -# Assumes file is an ltwrapper_executable -# uses $file to determine the appropriate filename for a -# temporary ltwrapper_script. -func_ltwrapper_scriptname () -{ - func_ltwrapper_scriptname_result="" - if func_ltwrapper_executable_p "$1"; then - func_dirname_and_basename "$1" "" "." - func_stripname '' '.exe' "$func_basename_result" - func_ltwrapper_scriptname_result="$func_dirname_result/$objdir/${func_stripname_result}_ltshwrapper" - fi -} - -# func_ltwrapper_p file -# True iff FILE is a libtool wrapper script or wrapper executable -# This function is only a basic sanity check; it will hardly flush out -# determined imposters. -func_ltwrapper_p () -{ - func_ltwrapper_script_p "$1" || func_ltwrapper_executable_p "$1" -} - - -# func_execute_cmds commands fail_cmd -# Execute tilde-delimited COMMANDS. -# If FAIL_CMD is given, eval that upon failure. -# FAIL_CMD may read-access the current command in variable CMD! -func_execute_cmds () -{ - $opt_debug - save_ifs=$IFS; IFS='~' - for cmd in $1; do - IFS=$save_ifs - eval cmd=\"$cmd\" - func_show_eval "$cmd" "${2-:}" - done - IFS=$save_ifs -} - - -# func_source file -# Source FILE, adding directory component if necessary. -# Note that it is not necessary on cygwin/mingw to append a dot to -# FILE even if both FILE and FILE.exe exist: automatic-append-.exe -# behavior happens only for exec(3), not for open(2)! Also, sourcing -# `FILE.' does not work on cygwin managed mounts. -func_source () -{ - $opt_debug - case $1 in - */* | *\\*) . "$1" ;; - *) . 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then - destdir="$dest" - destname= - else - func_dirname_and_basename "$dest" "" "." - destdir="$func_dirname_result" - destname="$func_basename_result" - - # Not a directory, so check to see that there is only one file specified. - set dummy $files; shift - test "$#" -gt 1 && \ - func_fatal_help "\`$dest' is not a directory" - fi - case $destdir in - [\\/]* | [A-Za-z]:[\\/]*) ;; - *) - for file in $files; do - case $file in - *.lo) ;; - *) - func_fatal_help "\`$destdir' must be an absolute directory name" - ;; - esac - done - ;; - esac - - # This variable tells wrapper scripts just to set variables rather - # than running their programs. - libtool_install_magic="$magic" - - staticlibs= - future_libdirs= - current_libdirs= - for file in $files; do - - # Do each installation. - case $file in - *.$libext) - # Do the static libraries later. - staticlibs="$staticlibs $file" - ;; - - *.la) - # Check to see that this really is a libtool archive. - func_lalib_unsafe_p "$file" \ - || func_fatal_help "\`$file' is not a valid libtool archive" - - library_names= - old_library= - relink_command= - func_source "$file" - - # Add the libdir to current_libdirs if it is the destination. - if test "X$destdir" = "X$libdir"; then - case "$current_libdirs " in - *" $libdir "*) ;; - *) current_libdirs="$current_libdirs $libdir" ;; - esac - else - # Note the libdir as a future libdir. - case "$future_libdirs " in - *" $libdir "*) ;; - *) future_libdirs="$future_libdirs $libdir" ;; - esac - fi - - func_dirname "$file" "/" "" - dir="$func_dirname_result" - dir="$dir$objdir" - - if test -n "$relink_command"; then - # Determine the prefix the user has applied to our future dir. - inst_prefix_dir=`$ECHO "X$destdir" | $Xsed -e "s%$libdir\$%%"` - - # Don't allow the user to place us outside of our expected - # location b/c this prevents finding dependent libraries that - # are installed to the same prefix. - # At present, this check doesn't affect windows .dll's that - # are installed into $libdir/../bin (currently, that works fine) - # but it's something to keep an eye on. - test "$inst_prefix_dir" = "$destdir" && \ - func_fatal_error "error: cannot install \`$file' to a directory not ending in $libdir" - - if test -n "$inst_prefix_dir"; then - # Stick the inst_prefix_dir data into the link command. - relink_command=`$ECHO "X$relink_command" | $Xsed -e "s%@inst_prefix_dir@%-inst-prefix-dir $inst_prefix_dir%"` - else - relink_command=`$ECHO "X$relink_command" | $Xsed -e "s%@inst_prefix_dir@%%"` - fi - - func_warning "relinking \`$file'" - func_show_eval "$relink_command" \ - 'func_fatal_error "error: relink \`$file'\'' with the above command before installing it"' - fi - - # See the names of the shared library. - set dummy $library_names; shift - if test -n "$1"; then - realname="$1" - shift - - srcname="$realname" - test -n "$relink_command" && srcname="$realname"T - - # Install the shared library and build the symlinks. - func_show_eval "$install_prog $dir/$srcname $destdir/$realname" \ - 'exit $?' - tstripme="$stripme" - case $host_os in - cygwin* | mingw* | pw32* | cegcc*) - case $realname in - *.dll.a) - tstripme="" - ;; - esac - ;; - esac - if test -n "$tstripme" && test -n "$striplib"; then - func_show_eval "$striplib $destdir/$realname" 'exit $?' - fi - - if test "$#" -gt 0; then - # Delete the old symlinks, and create new ones. - # Try `ln -sf' first, because the `ln' binary might depend on - # the symlink we replace! Solaris /bin/ln does not understand -f, - # so we also need to try rm && ln -s. - for linkname - do - test "$linkname" != "$realname" \ - && func_show_eval "(cd $destdir && { $LN_S -f $realname $linkname || { $RM $linkname && $LN_S $realname $linkname; }; })" - done - fi - - # Do each command in the postinstall commands. - lib="$destdir/$realname" - func_execute_cmds "$postinstall_cmds" 'exit $?' - fi - - # Install the pseudo-library for information purposes. - func_basename "$file" - name="$func_basename_result" - instname="$dir/$name"i - func_show_eval "$install_prog $instname $destdir/$name" 'exit $?' - - # Maybe install the static library, too. - test -n "$old_library" && staticlibs="$staticlibs $dir/$old_library" - ;; - - *.lo) - # Install (i.e. copy) a libtool object. - - # Figure out destination file name, if it wasn't already specified. - if test -n "$destname"; then - destfile="$destdir/$destname" - else - func_basename "$file" - destfile="$func_basename_result" - destfile="$destdir/$destfile" - fi - - # Deduce the name of the destination old-style object file. - case $destfile in - *.lo) - func_lo2o "$destfile" - staticdest=$func_lo2o_result - ;; - *.$objext) - staticdest="$destfile" - destfile= - ;; - *) - func_fatal_help "cannot copy a libtool object to \`$destfile'" - ;; - esac - - # Install the libtool object if requested. - test -n "$destfile" && \ - func_show_eval "$install_prog $file $destfile" 'exit $?' - - # Install the old object if enabled. - if test "$build_old_libs" = yes; then - # Deduce the name of the old-style object file. - func_lo2o "$file" - staticobj=$func_lo2o_result - func_show_eval "$install_prog \$staticobj \$staticdest" 'exit $?' - fi - exit $EXIT_SUCCESS - ;; - - *) - # Figure out destination file name, if it wasn't already specified. - if test -n "$destname"; then - destfile="$destdir/$destname" - else - func_basename "$file" - destfile="$func_basename_result" - destfile="$destdir/$destfile" - fi - - # If the file is missing, and there is a .exe on the end, strip it - # because it is most likely a libtool script we actually want to - # install - stripped_ext="" - case $file in - *.exe) - if test ! -f "$file"; then - func_stripname '' '.exe' "$file" - file=$func_stripname_result - stripped_ext=".exe" - fi - ;; - esac - - # Do a test to see if this is really a libtool program. - case $host in - *cygwin* | *mingw*) - if func_ltwrapper_executable_p "$file"; then - func_ltwrapper_scriptname "$file" - wrapper=$func_ltwrapper_scriptname_result - else - func_stripname '' '.exe' "$file" - wrapper=$func_stripname_result - fi - ;; - *) - wrapper=$file - ;; - esac - if func_ltwrapper_script_p "$wrapper"; then - notinst_deplibs= - relink_command= - - func_source "$wrapper" - - # Check the variables that should have been set. - test -z "$generated_by_libtool_version" && \ - func_fatal_error "invalid libtool wrapper script \`$wrapper'" - - finalize=yes - for lib in $notinst_deplibs; do - # Check to see that each library is installed. - libdir= - if test -f "$lib"; then - func_source "$lib" - fi - libfile="$libdir/"`$ECHO "X$lib" | $Xsed -e 's%^.*/%%g'` ### testsuite: skip nested quoting test - if test -n "$libdir" && test ! -f "$libfile"; then - func_warning "\`$lib' has not been installed in \`$libdir'" - finalize=no - fi - done - - relink_command= - func_source "$wrapper" - - outputname= - if test "$fast_install" = no && test -n "$relink_command"; then - $opt_dry_run || { - if test "$finalize" = yes; then - tmpdir=`func_mktempdir` - func_basename "$file$stripped_ext" - file="$func_basename_result" - outputname="$tmpdir/$file" - # Replace the output file specification. - relink_command=`$ECHO "X$relink_command" | $Xsed -e 's%@OUTPUT@%'"$outputname"'%g'` - - $opt_silent || { - func_quote_for_expand "$relink_command" - eval "func_echo $func_quote_for_expand_result" - } - if eval "$relink_command"; then : - else - func_error "error: relink \`$file' with the above command before installing it" - $opt_dry_run || ${RM}r "$tmpdir" - continue - fi - file="$outputname" - else - func_warning "cannot relink \`$file'" - fi - } - else - # Install the binary that we compiled earlier. - file=`$ECHO "X$file$stripped_ext" | $Xsed -e "s%\([^/]*\)$%$objdir/\1%"` - fi - fi - - # remove .exe since cygwin /usr/bin/install will append another - # one anyway - case $install_prog,$host in - */usr/bin/install*,*cygwin*) - case $file:$destfile in - *.exe:*.exe) - # this is ok - ;; - *.exe:*) - destfile=$destfile.exe - ;; - *:*.exe) - func_stripname '' '.exe' "$destfile" - destfile=$func_stripname_result - ;; - esac - ;; - esac - func_show_eval "$install_prog\$stripme \$file \$destfile" 'exit $?' - $opt_dry_run || if test -n "$outputname"; then - ${RM}r "$tmpdir" - fi - ;; - esac - done - - for file in $staticlibs; do - func_basename "$file" - name="$func_basename_result" - - # Set up the ranlib parameters. - oldlib="$destdir/$name" - - func_show_eval "$install_prog \$file \$oldlib" 'exit $?' - - if test -n "$stripme" && test -n "$old_striplib"; then - func_show_eval "$old_striplib $oldlib" 'exit $?' - fi - - # Do each command in the postinstall commands. - func_execute_cmds "$old_postinstall_cmds" 'exit $?' - done - - test -n "$future_libdirs" && \ - func_warning "remember to run \`$progname --finish$future_libdirs'" - - if test -n "$current_libdirs"; then - # Maybe just do a dry run. - $opt_dry_run && current_libdirs=" -n$current_libdirs" - exec_cmd='$SHELL $progpath $preserve_args --finish$current_libdirs' - else - exit $EXIT_SUCCESS - fi -} - -test "$mode" = install && func_mode_install ${1+"$@"} - - -# func_generate_dlsyms outputname originator pic_p -# Extract symbols from dlprefiles and create ${outputname}S.o with -# a dlpreopen symbol table. -func_generate_dlsyms () -{ - $opt_debug - my_outputname="$1" - my_originator="$2" - my_pic_p="${3-no}" - my_prefix=`$ECHO "$my_originator" | sed 's%[^a-zA-Z0-9]%_%g'` - my_dlsyms= - - if test -n "$dlfiles$dlprefiles" || test "$dlself" != no; then - if test -n "$NM" && test -n "$global_symbol_pipe"; then - my_dlsyms="${my_outputname}S.c" - else - func_error "not configured to extract global symbols from dlpreopened files" - fi - fi - - if test -n "$my_dlsyms"; then - case $my_dlsyms in - "") ;; - *.c) - # Discover the nlist of each of the dlfiles. - nlist="$output_objdir/${my_outputname}.nm" - - func_show_eval "$RM $nlist ${nlist}S ${nlist}T" - - # Parse the name list into a source file. - func_verbose "creating $output_objdir/$my_dlsyms" - - $opt_dry_run || $ECHO > "$output_objdir/$my_dlsyms" "\ -/* $my_dlsyms - symbol resolution table for \`$my_outputname' dlsym emulation. */ -/* Generated by $PROGRAM (GNU $PACKAGE$TIMESTAMP) $VERSION */ - -#ifdef __cplusplus -extern \"C\" { -#endif - -/* External symbol declarations for the compiler. */\ -" - - if test "$dlself" = yes; then - func_verbose "generating symbol list for \`$output'" - - $opt_dry_run || echo ': @PROGRAM@ ' > "$nlist" - - # Add our own program objects to the symbol list. - progfiles=`$ECHO "X$objs$old_deplibs" | $SP2NL | $Xsed -e "$lo2o" | $NL2SP` - for progfile in $progfiles; do - func_verbose "extracting global C symbols from \`$progfile'" - $opt_dry_run || eval "$NM $progfile | $global_symbol_pipe >> '$nlist'" - done - - if test -n "$exclude_expsyms"; then - $opt_dry_run || { - eval '$EGREP -v " ($exclude_expsyms)$" "$nlist" > "$nlist"T' - eval '$MV "$nlist"T "$nlist"' - } - fi - - if test -n "$export_symbols_regex"; then - $opt_dry_run || { - eval '$EGREP -e "$export_symbols_regex" "$nlist" > "$nlist"T' - eval '$MV "$nlist"T "$nlist"' - } - fi - - # Prepare the list of exported symbols - if test -z "$export_symbols"; then - export_symbols="$output_objdir/$outputname.exp" - $opt_dry_run || { - $RM $export_symbols - eval "${SED} -n -e '/^: @PROGRAM@ $/d' -e 's/^.* \(.*\)$/\1/p' "'< "$nlist" > "$export_symbols"' - case $host in - *cygwin* | *mingw* | *cegcc* ) - eval "echo EXPORTS "'> "$output_objdir/$outputname.def"' - eval 'cat "$export_symbols" >> "$output_objdir/$outputname.def"' - ;; - esac - } - else - $opt_dry_run || { - eval "${SED} -e 's/\([].[*^$]\)/\\\\\1/g' -e 's/^/ /' -e 's/$/$/'"' < "$export_symbols" > "$output_objdir/$outputname.exp"' - eval '$GREP -f "$output_objdir/$outputname.exp" < "$nlist" > "$nlist"T' - eval '$MV "$nlist"T "$nlist"' - case $host in - *cygwin | *mingw* | *cegcc* ) - eval "echo EXPORTS "'> "$output_objdir/$outputname.def"' - eval 'cat "$nlist" >> "$output_objdir/$outputname.def"' - ;; - esac - } - fi - fi - - for dlprefile in $dlprefiles; do - func_verbose "extracting global C symbols from \`$dlprefile'" - func_basename "$dlprefile" - name="$func_basename_result" - $opt_dry_run || { - eval '$ECHO ": $name " >> "$nlist"' - eval "$NM $dlprefile 2>/dev/null | $global_symbol_pipe >> '$nlist'" - } - done - - $opt_dry_run || { - # Make sure we have at least an empty file. - test -f "$nlist" || : > "$nlist" - - if test -n "$exclude_expsyms"; then - $EGREP -v " ($exclude_expsyms)$" "$nlist" > "$nlist"T - $MV "$nlist"T "$nlist" - fi - - # Try sorting and uniquifying the output. - if $GREP -v "^: " < "$nlist" | - if sort -k 3 </dev/null >/dev/null 2>&1; then - sort -k 3 - else - sort +2 - fi | - uniq > "$nlist"S; then - : - else - $GREP -v "^: " < "$nlist" > "$nlist"S - fi - - if test -f "$nlist"S; then - eval "$global_symbol_to_cdecl"' < "$nlist"S >> "$output_objdir/$my_dlsyms"' - else - $ECHO '/* NONE */' >> "$output_objdir/$my_dlsyms" - fi - - $ECHO >> "$output_objdir/$my_dlsyms" "\ - -/* The mapping between symbol names and symbols. */ -typedef struct { - const char *name; - void *address; -} lt_dlsymlist; -" - case $host in - *cygwin* | *mingw* | *cegcc* ) - $ECHO >> "$output_objdir/$my_dlsyms" "\ -/* DATA imports from DLLs on WIN32 con't be const, because - runtime relocations are performed -- see ld's documentation - on pseudo-relocs. */" - lt_dlsym_const= ;; - *osf5*) - echo >> "$output_objdir/$my_dlsyms" "\ -/* This system does not cope well with relocations in const data */" - lt_dlsym_const= ;; - *) - lt_dlsym_const=const ;; - esac - - $ECHO >> "$output_objdir/$my_dlsyms" "\ -extern $lt_dlsym_const lt_dlsymlist -lt_${my_prefix}_LTX_preloaded_symbols[]; -$lt_dlsym_const lt_dlsymlist -lt_${my_prefix}_LTX_preloaded_symbols[] = -{\ - { \"$my_originator\", (void *) 0 }," - - case $need_lib_prefix in - no) - eval "$global_symbol_to_c_name_address" < "$nlist" >> "$output_objdir/$my_dlsyms" - ;; - *) - eval "$global_symbol_to_c_name_address_lib_prefix" < "$nlist" >> "$output_objdir/$my_dlsyms" - ;; - esac - $ECHO >> "$output_objdir/$my_dlsyms" "\ - {0, (void *) 0} -}; - -/* This works around a problem in FreeBSD linker */ -#ifdef FREEBSD_WORKAROUND -static const void *lt_preloaded_setup() { - return lt_${my_prefix}_LTX_preloaded_symbols; -} -#endif - -#ifdef __cplusplus -} -#endif\ -" - } # !$opt_dry_run - - pic_flag_for_symtable= - case "$compile_command " in - *" -static "*) ;; - *) - case $host in - # compiling the symbol table file with pic_flag works around - # a FreeBSD bug that causes programs to crash when -lm is - # linked before any other PIC object. But we must not use - # pic_flag when linking with -static. The problem exists in - # FreeBSD 2.2.6 and is fixed in FreeBSD 3.1. - *-*-freebsd2*|*-*-freebsd3.0*|*-*-freebsdelf3.0*) - pic_flag_for_symtable=" $pic_flag -DFREEBSD_WORKAROUND" ;; - *-*-hpux*) - pic_flag_for_symtable=" $pic_flag" ;; - *) - if test "X$my_pic_p" != Xno; then - pic_flag_for_symtable=" $pic_flag" - fi - ;; - esac - ;; - esac - symtab_cflags= - for arg in $LTCFLAGS; do - case $arg in - -pie | -fpie | -fPIE) ;; - *) symtab_cflags="$symtab_cflags $arg" ;; - esac - done - - # Now compile the dynamic symbol file. - func_show_eval '(cd $output_objdir && $LTCC$symtab_cflags -c$no_builtin_flag$pic_flag_for_symtable "$my_dlsyms")' 'exit $?' - - # Clean up the generated files. - func_show_eval '$RM "$output_objdir/$my_dlsyms" "$nlist" "${nlist}S" "${nlist}T"' - - # Transform the symbol file into the correct name. - symfileobj="$output_objdir/${my_outputname}S.$objext" - case $host in - *cygwin* | *mingw* | *cegcc* ) - if test -f "$output_objdir/$my_outputname.def"; then - compile_command=`$ECHO "X$compile_command" | $Xsed -e "s%@SYMFILE@%$output_objdir/$my_outputname.def $symfileobj%"` - finalize_command=`$ECHO "X$finalize_command" | $Xsed -e "s%@SYMFILE@%$output_objdir/$my_outputname.def $symfileobj%"` - else - compile_command=`$ECHO "X$compile_command" | $Xsed -e "s%@SYMFILE@%$symfileobj%"` - finalize_command=`$ECHO "X$finalize_command" | $Xsed -e "s%@SYMFILE@%$symfileobj%"` - fi - ;; - *) - compile_command=`$ECHO "X$compile_command" | $Xsed -e "s%@SYMFILE@%$symfileobj%"` - finalize_command=`$ECHO "X$finalize_command" | $Xsed -e "s%@SYMFILE@%$symfileobj%"` - ;; - esac - ;; - *) - func_fatal_error "unknown suffix for \`$my_dlsyms'" - ;; - esac - else - # We keep going just in case the user didn't refer to - # lt_preloaded_symbols. The linker will fail if global_symbol_pipe - # really was required. - - # Nullify the symbol file. - compile_command=`$ECHO "X$compile_command" | $Xsed -e "s% @SYMFILE@%%"` - finalize_command=`$ECHO "X$finalize_command" | $Xsed -e "s% @SYMFILE@%%"` - fi -} - -# func_win32_libid arg -# return the library type of file 'arg' -# -# Need a lot of goo to handle *both* DLLs and import libs -# Has to be a shell function in order to 'eat' the argument -# that is supplied when $file_magic_command is called. -func_win32_libid () -{ - $opt_debug - win32_libid_type="unknown" - win32_fileres=`file -L $1 2>/dev/null` - case $win32_fileres in - *ar\ archive\ import\ library*) # definitely import - win32_libid_type="x86 archive import" - ;; - *ar\ archive*) # could be an import, or static - if eval $OBJDUMP -f $1 | $SED -e '10q' 2>/dev/null | - $EGREP 'file format pe-i386(.*architecture: i386)?' >/dev/null ; then - win32_nmres=`eval $NM -f posix -A $1 | - $SED -n -e ' - 1,100{ - / I /{ - s,.*,import, - p - q - } - }'` - case $win32_nmres in - import*) win32_libid_type="x86 archive import";; - *) win32_libid_type="x86 archive static";; - esac - fi - ;; - *DLL*) - win32_libid_type="x86 DLL" - ;; - *executable*) # but shell scripts are "executable" too... - case $win32_fileres in - *MS\ Windows\ PE\ Intel*) - win32_libid_type="x86 DLL" - ;; - esac - ;; - esac - $ECHO "$win32_libid_type" -} - - - -# func_extract_an_archive dir oldlib -func_extract_an_archive () -{ - $opt_debug - f_ex_an_ar_dir="$1"; shift - f_ex_an_ar_oldlib="$1" - func_show_eval "(cd \$f_ex_an_ar_dir && $AR x \"\$f_ex_an_ar_oldlib\")" 'exit $?' - if ($AR t "$f_ex_an_ar_oldlib" | sort | sort -uc >/dev/null 2>&1); then - : - else - func_fatal_error "object name conflicts in archive: $f_ex_an_ar_dir/$f_ex_an_ar_oldlib" - fi -} - - -# func_extract_archives gentop oldlib ... -func_extract_archives () -{ - $opt_debug - my_gentop="$1"; shift - my_oldlibs=${1+"$@"} - my_oldobjs="" - my_xlib="" - my_xabs="" - my_xdir="" - - for my_xlib in $my_oldlibs; do - # Extract the objects. - case $my_xlib in - [\\/]* | [A-Za-z]:[\\/]*) my_xabs="$my_xlib" ;; - *) my_xabs=`pwd`"/$my_xlib" ;; - esac - func_basename "$my_xlib" - my_xlib="$func_basename_result" - my_xlib_u=$my_xlib - while :; do - case " $extracted_archives " in - *" $my_xlib_u "*) - func_arith $extracted_serial + 1 - extracted_serial=$func_arith_result - my_xlib_u=lt$extracted_serial-$my_xlib ;; - *) break ;; - esac - done - extracted_archives="$extracted_archives $my_xlib_u" - my_xdir="$my_gentop/$my_xlib_u" - - func_mkdir_p "$my_xdir" - - case $host in - *-darwin*) - func_verbose "Extracting $my_xabs" - # Do not bother doing anything if just a dry run - $opt_dry_run || { - darwin_orig_dir=`pwd` - cd $my_xdir || exit $? - darwin_archive=$my_xabs - darwin_curdir=`pwd` - darwin_base_archive=`basename "$darwin_archive"` - darwin_arches=`$LIPO -info "$darwin_archive" 2>/dev/null | $GREP Architectures 2>/dev/null || true` - if test -n "$darwin_arches"; then - darwin_arches=`$ECHO "$darwin_arches" | $SED -e 's/.*are://'` - darwin_arch= - func_verbose "$darwin_base_archive has multiple architectures $darwin_arches" - for darwin_arch in $darwin_arches ; do - func_mkdir_p "unfat-$$/${darwin_base_archive}-${darwin_arch}" - $LIPO -thin $darwin_arch -output "unfat-$$/${darwin_base_archive}-${darwin_arch}/${darwin_base_archive}" "${darwin_archive}" - cd "unfat-$$/${darwin_base_archive}-${darwin_arch}" - func_extract_an_archive "`pwd`" "${darwin_base_archive}" - cd "$darwin_curdir" - $RM "unfat-$$/${darwin_base_archive}-${darwin_arch}/${darwin_base_archive}" - done # $darwin_arches - ## Okay now we've a bunch of thin objects, gotta fatten them up :) - darwin_filelist=`find unfat-$$ -type f -name \*.o -print -o -name \*.lo -print | $SED -e "$basename" | sort -u` - darwin_file= - darwin_files= - for darwin_file in $darwin_filelist; do - darwin_files=`find unfat-$$ -name $darwin_file -print | $NL2SP` - $LIPO -create -output "$darwin_file" $darwin_files - done # $darwin_filelist - $RM -rf unfat-$$ - cd "$darwin_orig_dir" - else - cd $darwin_orig_dir - func_extract_an_archive "$my_xdir" "$my_xabs" - fi # $darwin_arches - } # !$opt_dry_run - ;; - *) - func_extract_an_archive "$my_xdir" "$my_xabs" - ;; - esac - my_oldobjs="$my_oldobjs "`find $my_xdir -name \*.$objext -print -o -name \*.lo -print | $NL2SP` - done - - func_extract_archives_result="$my_oldobjs" -} - - - -# func_emit_wrapper_part1 [arg=no] -# -# Emit the first part of a libtool wrapper script on stdout. -# For more information, see the description associated with -# func_emit_wrapper(), below. -func_emit_wrapper_part1 () -{ - func_emit_wrapper_part1_arg1=no - if test -n "$1" ; then - func_emit_wrapper_part1_arg1=$1 - fi - - $ECHO "\ -#! $SHELL - -# $output - temporary wrapper script for $objdir/$outputname -# Generated by $PROGRAM (GNU $PACKAGE$TIMESTAMP) $VERSION -# -# The $output program cannot be directly executed until all the libtool -# libraries that it depends on are installed. -# -# This wrapper script should never be moved out of the build directory. -# If it is, it will not operate correctly. - -# Sed substitution that helps us do robust quoting. It backslashifies -# metacharacters that are still active within double-quoted strings. -Xsed='${SED} -e 1s/^X//' -sed_quote_subst='$sed_quote_subst' - -# Be Bourne compatible -if test -n \"\${ZSH_VERSION+set}\" && (emulate sh) >/dev/null 2>&1; then - emulate sh - NULLCMD=: - # Zsh 3.x and 4.x performs word splitting on \${1+\"\$@\"}, which - # is contrary to our usage. Disable this feature. - alias -g '\${1+\"\$@\"}'='\"\$@\"' - setopt NO_GLOB_SUBST -else - case \`(set -o) 2>/dev/null\` in *posix*) set -o posix;; esac -fi -BIN_SH=xpg4; export BIN_SH # for Tru64 -DUALCASE=1; export DUALCASE # for MKS sh - -# The HP-UX ksh and POSIX shell print the target directory to stdout -# if CDPATH is set. -(unset CDPATH) >/dev/null 2>&1 && unset CDPATH - -relink_command=\"$relink_command\" - -# This environment variable determines our operation mode. -if test \"\$libtool_install_magic\" = \"$magic\"; then - # install mode needs the following variables: - generated_by_libtool_version='$macro_version' - notinst_deplibs='$notinst_deplibs' -else - # When we are sourced in execute mode, \$file and \$ECHO are already set. - if test \"\$libtool_execute_magic\" != \"$magic\"; then - ECHO=\"$qecho\" - file=\"\$0\" - # Make sure echo works. - if test \"X\$1\" = X--no-reexec; then - # Discard the --no-reexec flag, and continue. - shift - elif test \"X\`{ \$ECHO '\t'; } 2>/dev/null\`\" = 'X\t'; then - # Yippee, \$ECHO works! - : - else - # Restart under the correct shell, and then maybe \$ECHO will work. - exec $SHELL \"\$0\" --no-reexec \${1+\"\$@\"} - fi - fi\ -" - $ECHO "\ - - # Find the directory that this script lives in. - thisdir=\`\$ECHO \"X\$file\" | \$Xsed -e 's%/[^/]*$%%'\` - test \"x\$thisdir\" = \"x\$file\" && thisdir=. - - # Follow symbolic links until we get to the real thisdir. - file=\`ls -ld \"\$file\" | ${SED} -n 's/.*-> //p'\` - while test -n \"\$file\"; do - destdir=\`\$ECHO \"X\$file\" | \$Xsed -e 's%/[^/]*\$%%'\` - - # If there was a directory component, then change thisdir. - if test \"x\$destdir\" != \"x\$file\"; then - case \"\$destdir\" in - [\\\\/]* | [A-Za-z]:[\\\\/]*) thisdir=\"\$destdir\" ;; - *) thisdir=\"\$thisdir/\$destdir\" ;; - esac - fi - - file=\`\$ECHO \"X\$file\" | \$Xsed -e 's%^.*/%%'\` - file=\`ls -ld \"\$thisdir/\$file\" | ${SED} -n 's/.*-> //p'\` - done -" -} -# end: func_emit_wrapper_part1 - -# func_emit_wrapper_part2 [arg=no] -# -# Emit the second part of a libtool wrapper script on stdout. -# For more information, see the description associated with -# func_emit_wrapper(), below. -func_emit_wrapper_part2 () -{ - func_emit_wrapper_part2_arg1=no - if test -n "$1" ; then - func_emit_wrapper_part2_arg1=$1 - fi - - $ECHO "\ - - # Usually 'no', except on cygwin/mingw when embedded into - # the cwrapper. - WRAPPER_SCRIPT_BELONGS_IN_OBJDIR=$func_emit_wrapper_part2_arg1 - if test \"\$WRAPPER_SCRIPT_BELONGS_IN_OBJDIR\" = \"yes\"; then - # special case for '.' - if test \"\$thisdir\" = \".\"; then - thisdir=\`pwd\` - fi - # remove .libs from thisdir - case \"\$thisdir\" in - *[\\\\/]$objdir ) thisdir=\`\$ECHO \"X\$thisdir\" | \$Xsed -e 's%[\\\\/][^\\\\/]*$%%'\` ;; - $objdir ) thisdir=. ;; - esac - fi - - # Try to get the absolute directory name. - absdir=\`cd \"\$thisdir\" && pwd\` - test -n \"\$absdir\" && thisdir=\"\$absdir\" -" - - if test "$fast_install" = yes; then - $ECHO "\ - program=lt-'$outputname'$exeext - progdir=\"\$thisdir/$objdir\" - - if test ! -f \"\$progdir/\$program\" || - { file=\`ls -1dt \"\$progdir/\$program\" \"\$progdir/../\$program\" 2>/dev/null | ${SED} 1q\`; \\ - test \"X\$file\" != \"X\$progdir/\$program\"; }; then - - file=\"\$\$-\$program\" - - if test ! -d \"\$progdir\"; then - $MKDIR \"\$progdir\" - else - $RM \"\$progdir/\$file\" - fi" - - $ECHO "\ - - # relink executable if necessary - if test -n \"\$relink_command\"; then - if relink_command_output=\`eval \$relink_command 2>&1\`; then : - else - $ECHO \"\$relink_command_output\" >&2 - $RM \"\$progdir/\$file\" - exit 1 - fi - fi - - $MV \"\$progdir/\$file\" \"\$progdir/\$program\" 2>/dev/null || - { $RM \"\$progdir/\$program\"; - $MV \"\$progdir/\$file\" \"\$progdir/\$program\"; } - $RM \"\$progdir/\$file\" - fi" - else - $ECHO "\ - program='$outputname' - progdir=\"\$thisdir/$objdir\" -" - fi - - $ECHO "\ - - if test -f \"\$progdir/\$program\"; then" - - # Export our shlibpath_var if we have one. - if test "$shlibpath_overrides_runpath" = yes && test -n "$shlibpath_var" && test -n "$temp_rpath"; then - $ECHO "\ - # Add our own library path to $shlibpath_var - $shlibpath_var=\"$temp_rpath\$$shlibpath_var\" - - # Some systems cannot cope with colon-terminated $shlibpath_var - # The second colon is a workaround for a bug in BeOS R4 sed - $shlibpath_var=\`\$ECHO \"X\$$shlibpath_var\" | \$Xsed -e 's/::*\$//'\` - - export $shlibpath_var -" - fi - - # fixup the dll searchpath if we need to. - if test -n "$dllsearchpath"; then - $ECHO "\ - # Add the dll search path components to the executable PATH - PATH=$dllsearchpath:\$PATH -" - fi - - $ECHO "\ - if test \"\$libtool_execute_magic\" != \"$magic\"; then - # Run the actual program with our arguments. -" - case $host in - # Backslashes separate directories on plain windows - *-*-mingw | *-*-os2* | *-cegcc*) - $ECHO "\ - exec \"\$progdir\\\\\$program\" \${1+\"\$@\"} -" - ;; - - *) - $ECHO "\ - exec \"\$progdir/\$program\" \${1+\"\$@\"} -" - ;; - esac - $ECHO "\ - \$ECHO \"\$0: cannot exec \$program \$*\" 1>&2 - exit 1 - fi - else - # The program doesn't exist. - \$ECHO \"\$0: error: \\\`\$progdir/\$program' does not exist\" 1>&2 - \$ECHO \"This script is just a wrapper for \$program.\" 1>&2 - $ECHO \"See the $PACKAGE documentation for more information.\" 1>&2 - exit 1 - fi -fi\ -" -} -# end: func_emit_wrapper_part2 - - -# func_emit_wrapper [arg=no] -# -# Emit a libtool wrapper script on stdout. -# Don't directly open a file because we may want to -# incorporate the script contents within a cygwin/mingw -# wrapper executable. Must ONLY be called from within -# func_mode_link because it depends on a number of variables -# set therein. -# -# ARG is the value that the WRAPPER_SCRIPT_BELONGS_IN_OBJDIR -# variable will take. If 'yes', then the emitted script -# will assume that the directory in which it is stored is -# the $objdir directory. This is a cygwin/mingw-specific -# behavior. -func_emit_wrapper () -{ - func_emit_wrapper_arg1=no - if test -n "$1" ; then - func_emit_wrapper_arg1=$1 - fi - - # split this up so that func_emit_cwrapperexe_src - # can call each part independently. - func_emit_wrapper_part1 "${func_emit_wrapper_arg1}" - func_emit_wrapper_part2 "${func_emit_wrapper_arg1}" -} - - -# func_to_host_path arg -# -# Convert paths to host format when used with build tools. -# Intended for use with "native" mingw (where libtool itself -# is running under the msys shell), or in the following cross- -# build environments: -# $build $host -# mingw (msys) mingw [e.g. native] -# cygwin mingw -# *nix + wine mingw -# where wine is equipped with the `winepath' executable. -# In the native mingw case, the (msys) shell automatically -# converts paths for any non-msys applications it launches, -# but that facility isn't available from inside the cwrapper. -# Similar accommodations are necessary for $host mingw and -# $build cygwin. Calling this function does no harm for other -# $host/$build combinations not listed above. -# -# ARG is the path (on $build) that should be converted to -# the proper representation for $host. The result is stored -# in $func_to_host_path_result. -func_to_host_path () -{ - func_to_host_path_result="$1" - if test -n "$1" ; then - case $host in - *mingw* ) - lt_sed_naive_backslashify='s|\\\\*|\\|g;s|/|\\|g;s|\\|\\\\|g' - case $build in - *mingw* ) # actually, msys - # awkward: cmd appends spaces to result - lt_sed_strip_trailing_spaces="s/[ ]*\$//" - func_to_host_path_tmp1=`( cmd //c echo "$1" |\ - $SED -e "$lt_sed_strip_trailing_spaces" ) 2>/dev/null || echo ""` - func_to_host_path_result=`echo "$func_to_host_path_tmp1" |\ - $SED -e "$lt_sed_naive_backslashify"` - ;; - *cygwin* ) - func_to_host_path_tmp1=`cygpath -w "$1"` - func_to_host_path_result=`echo "$func_to_host_path_tmp1" |\ - $SED -e "$lt_sed_naive_backslashify"` - ;; - * ) - # Unfortunately, winepath does not exit with a non-zero - # error code, so we are forced to check the contents of - # stdout. On the other hand, if the command is not - # found, the shell will set an exit code of 127 and print - # *an error message* to stdout. So we must check for both - # error code of zero AND non-empty stdout, which explains - # the odd construction: - func_to_host_path_tmp1=`winepath -w "$1" 2>/dev/null` - if test "$?" -eq 0 && test -n "${func_to_host_path_tmp1}"; then - func_to_host_path_result=`echo "$func_to_host_path_tmp1" |\ - $SED -e "$lt_sed_naive_backslashify"` - else - # Allow warning below. - func_to_host_path_result="" - fi - ;; - esac - if test -z "$func_to_host_path_result" ; then - func_error "Could not determine host path corresponding to" - func_error " '$1'" - func_error "Continuing, but uninstalled executables may not work." - # Fallback: - func_to_host_path_result="$1" - fi - ;; - esac - fi -} -# end: func_to_host_path - -# func_to_host_pathlist arg -# -# Convert pathlists to host format when used with build tools. -# See func_to_host_path(), above. This function supports the -# following $build/$host combinations (but does no harm for -# combinations not listed here): -# $build $host -# mingw (msys) mingw [e.g. native] -# cygwin mingw -# *nix + wine mingw -# -# Path separators are also converted from $build format to -# $host format. If ARG begins or ends with a path separator -# character, it is preserved (but converted to $host format) -# on output. -# -# ARG is a pathlist (on $build) that should be converted to -# the proper representation on $host. The result is stored -# in $func_to_host_pathlist_result. -func_to_host_pathlist () -{ - func_to_host_pathlist_result="$1" - if test -n "$1" ; then - case $host in - *mingw* ) - lt_sed_naive_backslashify='s|\\\\*|\\|g;s|/|\\|g;s|\\|\\\\|g' - # Remove leading and trailing path separator characters from - # ARG. msys behavior is inconsistent here, cygpath turns them - # into '.;' and ';.', and winepath ignores them completely. - func_to_host_pathlist_tmp2="$1" - # Once set for this call, this variable should not be - # reassigned. It is used in tha fallback case. - func_to_host_pathlist_tmp1=`echo "$func_to_host_pathlist_tmp2" |\ - $SED -e 's|^:*||' -e 's|:*$||'` - case $build in - *mingw* ) # Actually, msys. - # Awkward: cmd appends spaces to result. - lt_sed_strip_trailing_spaces="s/[ ]*\$//" - func_to_host_pathlist_tmp2=`( cmd //c echo "$func_to_host_pathlist_tmp1" |\ - $SED -e "$lt_sed_strip_trailing_spaces" ) 2>/dev/null || echo ""` - func_to_host_pathlist_result=`echo "$func_to_host_pathlist_tmp2" |\ - $SED -e "$lt_sed_naive_backslashify"` - ;; - *cygwin* ) - func_to_host_pathlist_tmp2=`cygpath -w -p "$func_to_host_pathlist_tmp1"` - func_to_host_pathlist_result=`echo "$func_to_host_pathlist_tmp2" |\ - $SED -e "$lt_sed_naive_backslashify"` - ;; - * ) - # unfortunately, winepath doesn't convert pathlists - func_to_host_pathlist_result="" - func_to_host_pathlist_oldIFS=$IFS - IFS=: - for func_to_host_pathlist_f in $func_to_host_pathlist_tmp1 ; do - IFS=$func_to_host_pathlist_oldIFS - if test -n "$func_to_host_pathlist_f" ; then - func_to_host_path "$func_to_host_pathlist_f" - if test -n "$func_to_host_path_result" ; then - if test -z "$func_to_host_pathlist_result" ; then - func_to_host_pathlist_result="$func_to_host_path_result" - else - func_to_host_pathlist_result="$func_to_host_pathlist_result;$func_to_host_path_result" - fi - fi - fi - IFS=: - done - IFS=$func_to_host_pathlist_oldIFS - ;; - esac - if test -z "$func_to_host_pathlist_result" ; then - func_error "Could not determine the host path(s) corresponding to" - func_error " '$1'" - func_error "Continuing, but uninstalled executables may not work." - # Fallback. This may break if $1 contains DOS-style drive - # specifications. The fix is not to complicate the expression - # below, but for the user to provide a working wine installation - # with winepath so that path translation in the cross-to-mingw - # case works properly. - lt_replace_pathsep_nix_to_dos="s|:|;|g" - func_to_host_pathlist_result=`echo "$func_to_host_pathlist_tmp1" |\ - $SED -e "$lt_replace_pathsep_nix_to_dos"` - fi - # Now, add the leading and trailing path separators back - case "$1" in - :* ) func_to_host_pathlist_result=";$func_to_host_pathlist_result" - ;; - esac - case "$1" in - *: ) func_to_host_pathlist_result="$func_to_host_pathlist_result;" - ;; - esac - ;; - esac - fi -} -# end: func_to_host_pathlist - -# func_emit_cwrapperexe_src -# emit the source code for a wrapper executable on stdout -# Must ONLY be called from within func_mode_link because -# it depends on a number of variable set therein. -func_emit_cwrapperexe_src () -{ - cat <<EOF - -/* $cwrappersource - temporary wrapper executable for $objdir/$outputname - Generated by $PROGRAM (GNU $PACKAGE$TIMESTAMP) $VERSION - - The $output program cannot be directly executed until all the libtool - libraries that it depends on are installed. - - This wrapper executable should never be moved out of the build directory. - If it is, it will not operate correctly. - - Currently, it simply execs the wrapper *script* "$SHELL $output", - but could eventually absorb all of the scripts functionality and - exec $objdir/$outputname directly. -*/ -EOF - cat <<"EOF" -#include <stdio.h> -#include <stdlib.h> -#ifdef _MSC_VER -# include <direct.h> -# include <process.h> -# include <io.h> -# define setmode _setmode -#else -# include <unistd.h> -# include <stdint.h> -# ifdef __CYGWIN__ -# include <io.h> -# define HAVE_SETENV -# ifdef __STRICT_ANSI__ -char *realpath (const char *, char *); -int putenv (char *); -int setenv (const char *, const char *, int); -# endif -# endif -#endif -#include <malloc.h> -#include <stdarg.h> -#include <assert.h> -#include <string.h> -#include <ctype.h> -#include <errno.h> -#include <fcntl.h> -#include <sys/stat.h> - -#if defined(PATH_MAX) -# define LT_PATHMAX PATH_MAX -#elif defined(MAXPATHLEN) -# define LT_PATHMAX MAXPATHLEN -#else -# define LT_PATHMAX 1024 -#endif - -#ifndef S_IXOTH -# define S_IXOTH 0 -#endif -#ifndef S_IXGRP -# define S_IXGRP 0 -#endif - -#ifdef _MSC_VER -# define S_IXUSR _S_IEXEC -# define stat _stat -# ifndef _INTPTR_T_DEFINED -# define intptr_t int -# endif -#endif - -#ifndef DIR_SEPARATOR -# define DIR_SEPARATOR '/' -# define PATH_SEPARATOR ':' -#endif - -#if defined (_WIN32) || defined (__MSDOS__) || defined (__DJGPP__) || \ - defined (__OS2__) -# define HAVE_DOS_BASED_FILE_SYSTEM -# define FOPEN_WB "wb" -# ifndef DIR_SEPARATOR_2 -# define DIR_SEPARATOR_2 '\\' -# endif -# ifndef PATH_SEPARATOR_2 -# define PATH_SEPARATOR_2 ';' -# endif -#endif - -#ifndef DIR_SEPARATOR_2 -# define IS_DIR_SEPARATOR(ch) ((ch) == DIR_SEPARATOR) -#else /* DIR_SEPARATOR_2 */ -# define IS_DIR_SEPARATOR(ch) \ - (((ch) == DIR_SEPARATOR) || ((ch) == DIR_SEPARATOR_2)) -#endif /* DIR_SEPARATOR_2 */ - -#ifndef PATH_SEPARATOR_2 -# define IS_PATH_SEPARATOR(ch) ((ch) == PATH_SEPARATOR) -#else /* PATH_SEPARATOR_2 */ -# define IS_PATH_SEPARATOR(ch) ((ch) == PATH_SEPARATOR_2) -#endif /* PATH_SEPARATOR_2 */ - -#ifdef __CYGWIN__ -# define FOPEN_WB "wb" -#endif - -#ifndef FOPEN_WB -# define FOPEN_WB "w" -#endif -#ifndef _O_BINARY -# define _O_BINARY 0 -#endif - -#define XMALLOC(type, num) ((type *) xmalloc ((num) * sizeof(type))) -#define XFREE(stale) do { \ - if (stale) { free ((void *) stale); stale = 0; } \ -} while (0) - -#undef LTWRAPPER_DEBUGPRINTF -#if defined DEBUGWRAPPER -# define LTWRAPPER_DEBUGPRINTF(args) ltwrapper_debugprintf args -static void -ltwrapper_debugprintf (const char *fmt, ...) -{ - va_list args; - va_start (args, fmt); - (void) vfprintf (stderr, fmt, args); - va_end (args); -} -#else -# define LTWRAPPER_DEBUGPRINTF(args) -#endif - -const char *program_name = NULL; - -void *xmalloc (size_t num); -char *xstrdup (const char *string); -const char *base_name (const char *name); -char *find_executable (const char *wrapper); -char *chase_symlinks (const char *pathspec); -int make_executable (const char *path); -int check_executable (const char *path); -char *strendzap (char *str, const char *pat); -void lt_fatal (const char *message, ...); -void lt_setenv (const char *name, const char *value); -char *lt_extend_str (const char *orig_value, const char *add, int to_end); -void lt_opt_process_env_set (const char *arg); -void lt_opt_process_env_prepend (const char *arg); -void lt_opt_process_env_append (const char *arg); -int lt_split_name_value (const char *arg, char** name, char** value); -void lt_update_exe_path (const char *name, const char *value); -void lt_update_lib_path (const char *name, const char *value); - -static const char *script_text_part1 = -EOF - - func_emit_wrapper_part1 yes | - $SED -e 's/\([\\"]\)/\\\1/g' \ - -e 's/^/ "/' -e 's/$/\\n"/' - echo ";" - cat <<EOF - -static const char *script_text_part2 = -EOF - func_emit_wrapper_part2 yes | - $SED -e 's/\([\\"]\)/\\\1/g' \ - -e 's/^/ "/' -e 's/$/\\n"/' - echo ";" - - cat <<EOF -const char * MAGIC_EXE = "$magic_exe"; -const char * LIB_PATH_VARNAME = "$shlibpath_var"; -EOF - - if test "$shlibpath_overrides_runpath" = yes && test -n "$shlibpath_var" && test -n "$temp_rpath"; then - func_to_host_pathlist "$temp_rpath" - cat <<EOF -const char * LIB_PATH_VALUE = "$func_to_host_pathlist_result"; -EOF - else - cat <<"EOF" -const char * LIB_PATH_VALUE = ""; -EOF - fi - - if test -n "$dllsearchpath"; then - func_to_host_pathlist "$dllsearchpath:" - cat <<EOF -const char * EXE_PATH_VARNAME = "PATH"; -const char * EXE_PATH_VALUE = "$func_to_host_pathlist_result"; -EOF - else - cat <<"EOF" -const char * EXE_PATH_VARNAME = ""; -const char * EXE_PATH_VALUE = ""; -EOF - fi - - if test "$fast_install" = yes; then - cat <<EOF -const char * TARGET_PROGRAM_NAME = "lt-$outputname"; /* hopefully, no .exe */ -EOF - else - cat <<EOF -const char * TARGET_PROGRAM_NAME = "$outputname"; /* hopefully, no .exe */ -EOF - fi - - - cat <<"EOF" - -#define LTWRAPPER_OPTION_PREFIX "--lt-" -#define LTWRAPPER_OPTION_PREFIX_LENGTH 5 - -static const size_t opt_prefix_len = LTWRAPPER_OPTION_PREFIX_LENGTH; -static const char *ltwrapper_option_prefix = LTWRAPPER_OPTION_PREFIX; - -static const char *dumpscript_opt = LTWRAPPER_OPTION_PREFIX "dump-script"; - -static const size_t env_set_opt_len = LTWRAPPER_OPTION_PREFIX_LENGTH + 7; -static const char *env_set_opt = LTWRAPPER_OPTION_PREFIX "env-set"; - /* argument is putenv-style "foo=bar", value of foo is set to bar */ - -static const size_t env_prepend_opt_len = LTWRAPPER_OPTION_PREFIX_LENGTH + 11; -static const char *env_prepend_opt = LTWRAPPER_OPTION_PREFIX "env-prepend"; - /* argument is putenv-style "foo=bar", new value of foo is bar${foo} */ - -static const size_t env_append_opt_len = LTWRAPPER_OPTION_PREFIX_LENGTH + 10; -static const char *env_append_opt = LTWRAPPER_OPTION_PREFIX "env-append"; - /* argument is putenv-style "foo=bar", new value of foo is ${foo}bar */ - -int -main (int argc, char *argv[]) -{ - char **newargz; - int newargc; - char *tmp_pathspec; - char *actual_cwrapper_path; - char *actual_cwrapper_name; - char *target_name; - char *lt_argv_zero; - intptr_t rval = 127; - - int i; - - program_name = (char *) xstrdup (base_name (argv[0])); - LTWRAPPER_DEBUGPRINTF (("(main) argv[0] : %s\n", argv[0])); - LTWRAPPER_DEBUGPRINTF (("(main) program_name : %s\n", program_name)); - - /* very simple arg parsing; don't want to rely on getopt */ - for (i = 1; i < argc; i++) - { - if (strcmp (argv[i], dumpscript_opt) == 0) - { -EOF - case "$host" in - *mingw* | *cygwin* ) - # make stdout use "unix" line endings - echo " setmode(1,_O_BINARY);" - ;; - esac - - cat <<"EOF" - printf ("%s", script_text_part1); - printf ("%s", script_text_part2); - return 0; - } - } - - newargz = XMALLOC (char *, argc + 1); - tmp_pathspec = find_executable (argv[0]); - if (tmp_pathspec == NULL) - lt_fatal ("Couldn't find %s", argv[0]); - LTWRAPPER_DEBUGPRINTF (("(main) found exe (before symlink chase) at : %s\n", - tmp_pathspec)); - - actual_cwrapper_path = chase_symlinks (tmp_pathspec); - LTWRAPPER_DEBUGPRINTF (("(main) found exe (after symlink chase) at : %s\n", - actual_cwrapper_path)); - XFREE (tmp_pathspec); - - actual_cwrapper_name = xstrdup( base_name (actual_cwrapper_path)); - strendzap (actual_cwrapper_path, actual_cwrapper_name); - - /* wrapper name transforms */ - strendzap (actual_cwrapper_name, ".exe"); - tmp_pathspec = lt_extend_str (actual_cwrapper_name, ".exe", 1); - XFREE (actual_cwrapper_name); - actual_cwrapper_name = tmp_pathspec; - tmp_pathspec = 0; - - /* target_name transforms -- use actual target program name; might have lt- prefix */ - target_name = xstrdup (base_name (TARGET_PROGRAM_NAME)); - strendzap (target_name, ".exe"); - tmp_pathspec = lt_extend_str (target_name, ".exe", 1); - XFREE (target_name); - target_name = tmp_pathspec; - tmp_pathspec = 0; - - LTWRAPPER_DEBUGPRINTF (("(main) libtool target name: %s\n", - target_name)); -EOF - - cat <<EOF - newargz[0] = - XMALLOC (char, (strlen (actual_cwrapper_path) + - strlen ("$objdir") + 1 + strlen (actual_cwrapper_name) + 1)); - strcpy (newargz[0], actual_cwrapper_path); - strcat (newargz[0], "$objdir"); - strcat (newargz[0], "/"); -EOF - - cat <<"EOF" - /* stop here, and copy so we don't have to do this twice */ - tmp_pathspec = xstrdup (newargz[0]); - - /* do NOT want the lt- prefix here, so use actual_cwrapper_name */ - strcat (newargz[0], actual_cwrapper_name); - - /* DO want the lt- prefix here if it exists, so use target_name */ - lt_argv_zero = lt_extend_str (tmp_pathspec, target_name, 1); - XFREE (tmp_pathspec); - tmp_pathspec = NULL; -EOF - - case $host_os in - mingw*) - cat <<"EOF" - { - char* p; - while ((p = strchr (newargz[0], '\\')) != NULL) - { - *p = '/'; - } - while ((p = strchr (lt_argv_zero, '\\')) != NULL) - { - *p = '/'; - } - } -EOF - ;; - esac - - cat <<"EOF" - XFREE (target_name); - XFREE (actual_cwrapper_path); - XFREE (actual_cwrapper_name); - - lt_setenv ("BIN_SH", "xpg4"); /* for Tru64 */ - lt_setenv ("DUALCASE", "1"); /* for MSK sh */ - lt_update_lib_path (LIB_PATH_VARNAME, LIB_PATH_VALUE); - lt_update_exe_path (EXE_PATH_VARNAME, EXE_PATH_VALUE); - - newargc=0; - for (i = 1; i < argc; i++) - { - if (strncmp (argv[i], env_set_opt, env_set_opt_len) == 0) - { - if (argv[i][env_set_opt_len] == '=') - { - const char *p = argv[i] + env_set_opt_len + 1; - lt_opt_process_env_set (p); - } - else if (argv[i][env_set_opt_len] == '\0' && i + 1 < argc) - { - lt_opt_process_env_set (argv[++i]); /* don't copy */ - } - else - lt_fatal ("%s missing required argument", env_set_opt); - continue; - } - if (strncmp (argv[i], env_prepend_opt, env_prepend_opt_len) == 0) - { - if (argv[i][env_prepend_opt_len] == '=') - { - const char *p = argv[i] + env_prepend_opt_len + 1; - lt_opt_process_env_prepend (p); - } - else if (argv[i][env_prepend_opt_len] == '\0' && i + 1 < argc) - { - lt_opt_process_env_prepend (argv[++i]); /* don't copy */ - } - else - lt_fatal ("%s missing required argument", env_prepend_opt); - continue; - } - if (strncmp (argv[i], env_append_opt, env_append_opt_len) == 0) - { - if (argv[i][env_append_opt_len] == '=') - { - const char *p = argv[i] + env_append_opt_len + 1; - lt_opt_process_env_append (p); - } - else if (argv[i][env_append_opt_len] == '\0' && i + 1 < argc) - { - lt_opt_process_env_append (argv[++i]); /* don't copy */ - } - else - lt_fatal ("%s missing required argument", env_append_opt); - continue; - } - if (strncmp (argv[i], ltwrapper_option_prefix, opt_prefix_len) == 0) - { - /* however, if there is an option in the LTWRAPPER_OPTION_PREFIX - namespace, but it is not one of the ones we know about and - have already dealt with, above (inluding dump-script), then - report an error. Otherwise, targets might begin to believe - they are allowed to use options in the LTWRAPPER_OPTION_PREFIX - namespace. The first time any user complains about this, we'll - need to make LTWRAPPER_OPTION_PREFIX a configure-time option - or a configure.ac-settable value. - */ - lt_fatal ("Unrecognized option in %s namespace: '%s'", - ltwrapper_option_prefix, argv[i]); - } - /* otherwise ... */ - newargz[++newargc] = xstrdup (argv[i]); - } - newargz[++newargc] = NULL; - - LTWRAPPER_DEBUGPRINTF (("(main) lt_argv_zero : %s\n", (lt_argv_zero ? lt_argv_zero : "<NULL>"))); - for (i = 0; i < newargc; i++) - { - LTWRAPPER_DEBUGPRINTF (("(main) newargz[%d] : %s\n", i, (newargz[i] ? newargz[i] : "<NULL>"))); - } - -EOF - - case $host_os in - mingw*) - cat <<"EOF" - /* execv doesn't actually work on mingw as expected on unix */ - rval = _spawnv (_P_WAIT, lt_argv_zero, (const char * const *) newargz); - if (rval == -1) - { - /* failed to start process */ - LTWRAPPER_DEBUGPRINTF (("(main) failed to launch target \"%s\": errno = %d\n", lt_argv_zero, errno)); - return 127; - } - return rval; -EOF - ;; - *) - cat <<"EOF" - execv (lt_argv_zero, newargz); - return rval; /* =127, but avoids unused variable warning */ -EOF - ;; - esac - - cat <<"EOF" -} - -void * -xmalloc (size_t num) -{ - void *p = (void *) malloc (num); - if (!p) - lt_fatal ("Memory exhausted"); - - return p; -} - -char * -xstrdup (const char *string) -{ - return string ? strcpy ((char *) xmalloc (strlen (string) + 1), - string) : NULL; -} - -const char * -base_name (const char *name) -{ - const char *base; - -#if defined (HAVE_DOS_BASED_FILE_SYSTEM) - /* Skip over the disk name in MSDOS pathnames. */ - if (isalpha ((unsigned char) name[0]) && name[1] == ':') - name += 2; -#endif - - for (base = name; *name; name++) - if (IS_DIR_SEPARATOR (*name)) - base = name + 1; - return base; -} - -int -check_executable (const char *path) -{ - struct stat st; - - LTWRAPPER_DEBUGPRINTF (("(check_executable) : %s\n", - path ? (*path ? path : "EMPTY!") : "NULL!")); - if ((!path) || (!*path)) - return 0; - - if ((stat (path, &st) >= 0) - && (st.st_mode & (S_IXUSR | S_IXGRP | S_IXOTH))) - return 1; - else - return 0; -} - -int -make_executable (const char *path) -{ - int rval = 0; - struct stat st; - - LTWRAPPER_DEBUGPRINTF (("(make_executable) : %s\n", - path ? (*path ? path : "EMPTY!") : "NULL!")); - if ((!path) || (!*path)) - return 0; - - if (stat (path, &st) >= 0) - { - rval = chmod (path, st.st_mode | S_IXOTH | S_IXGRP | S_IXUSR); - } - return rval; -} - -/* Searches for the full path of the wrapper. Returns - newly allocated full path name if found, NULL otherwise - Does not chase symlinks, even on platforms that support them. -*/ -char * -find_executable (const char *wrapper) -{ - int has_slash = 0; - const char *p; - const char *p_next; - /* static buffer for getcwd */ - char tmp[LT_PATHMAX + 1]; - int tmp_len; - char *concat_name; - - LTWRAPPER_DEBUGPRINTF (("(find_executable) : %s\n", - wrapper ? (*wrapper ? wrapper : "EMPTY!") : "NULL!")); - - if ((wrapper == NULL) || (*wrapper == '\0')) - return NULL; - - /* Absolute path? */ -#if defined (HAVE_DOS_BASED_FILE_SYSTEM) - if (isalpha ((unsigned char) wrapper[0]) && wrapper[1] == ':') - { - concat_name = xstrdup (wrapper); - if (check_executable (concat_name)) - return concat_name; - XFREE (concat_name); - } - else - { -#endif - if (IS_DIR_SEPARATOR (wrapper[0])) - { - concat_name = xstrdup (wrapper); - if (check_executable (concat_name)) - return concat_name; - XFREE (concat_name); - } -#if defined (HAVE_DOS_BASED_FILE_SYSTEM) - } -#endif - - for (p = wrapper; *p; p++) - if (*p == '/') - { - has_slash = 1; - break; - } - if (!has_slash) - { - /* no slashes; search PATH */ - const char *path = getenv ("PATH"); - if (path != NULL) - { - for (p = path; *p; p = p_next) - { - const char *q; - size_t p_len; - for (q = p; *q; q++) - if (IS_PATH_SEPARATOR (*q)) - break; - p_len = q - p; - p_next = (*q == '\0' ? q : q + 1); - if (p_len == 0) - { - /* empty path: current directory */ - if (getcwd (tmp, LT_PATHMAX) == NULL) - lt_fatal ("getcwd failed"); - tmp_len = strlen (tmp); - concat_name = - XMALLOC (char, tmp_len + 1 + strlen (wrapper) + 1); - memcpy (concat_name, tmp, tmp_len); - concat_name[tmp_len] = '/'; - strcpy (concat_name + tmp_len + 1, wrapper); - } - else - { - concat_name = - XMALLOC (char, p_len + 1 + strlen (wrapper) + 1); - memcpy (concat_name, p, p_len); - concat_name[p_len] = '/'; - strcpy (concat_name + p_len + 1, wrapper); - } - if (check_executable (concat_name)) - return concat_name; - XFREE (concat_name); - } - } - /* not found in PATH; assume curdir */ - } - /* Relative path | not found in path: prepend cwd */ - if (getcwd (tmp, LT_PATHMAX) == NULL) - lt_fatal ("getcwd failed"); - tmp_len = strlen (tmp); - concat_name = XMALLOC (char, tmp_len + 1 + strlen (wrapper) + 1); - memcpy (concat_name, tmp, tmp_len); - concat_name[tmp_len] = '/'; - strcpy (concat_name + tmp_len + 1, wrapper); - - if (check_executable (concat_name)) - return concat_name; - XFREE (concat_name); - return NULL; -} - -char * -chase_symlinks (const char *pathspec) -{ -#ifndef S_ISLNK - return xstrdup (pathspec); -#else - char buf[LT_PATHMAX]; - struct stat s; - char *tmp_pathspec = xstrdup (pathspec); - char *p; - int has_symlinks = 0; - while (strlen (tmp_pathspec) && !has_symlinks) - { - LTWRAPPER_DEBUGPRINTF (("checking path component for symlinks: %s\n", - tmp_pathspec)); - if (lstat (tmp_pathspec, &s) == 0) - { - if (S_ISLNK (s.st_mode) != 0) - { - has_symlinks = 1; - break; - } - - /* search backwards for last DIR_SEPARATOR */ - p = tmp_pathspec + strlen (tmp_pathspec) - 1; - while ((p > tmp_pathspec) && (!IS_DIR_SEPARATOR (*p))) - p--; - if ((p == tmp_pathspec) && (!IS_DIR_SEPARATOR (*p))) - { - /* no more DIR_SEPARATORS left */ - break; - } - *p = '\0'; - } - else - { - char *errstr = strerror (errno); - lt_fatal ("Error accessing file %s (%s)", tmp_pathspec, errstr); - } - } - XFREE (tmp_pathspec); - - if (!has_symlinks) - { - return xstrdup (pathspec); - } - - tmp_pathspec = realpath (pathspec, buf); - if (tmp_pathspec == 0) - { - lt_fatal ("Could not follow symlinks for %s", pathspec); - } - return xstrdup (tmp_pathspec); -#endif -} - -char * -strendzap (char *str, const char *pat) -{ - size_t len, patlen; - - assert (str != NULL); - assert (pat != NULL); - - len = strlen (str); - patlen = strlen (pat); - - if (patlen <= len) - { - str += len - patlen; - if (strcmp (str, pat) == 0) - *str = '\0'; - } - return str; -} - -static void -lt_error_core (int exit_status, const char *mode, - const char *message, va_list ap) -{ - fprintf (stderr, "%s: %s: ", program_name, mode); - vfprintf (stderr, message, ap); - fprintf (stderr, ".\n"); - - if (exit_status >= 0) - exit (exit_status); -} - -void -lt_fatal (const char *message, ...) -{ - va_list ap; - va_start (ap, message); - lt_error_core (EXIT_FAILURE, "FATAL", message, ap); - va_end (ap); -} - -void -lt_setenv (const char *name, const char *value) -{ - LTWRAPPER_DEBUGPRINTF (("(lt_setenv) setting '%s' to '%s'\n", - (name ? name : "<NULL>"), - (value ? value : "<NULL>"))); - { -#ifdef HAVE_SETENV - /* always make a copy, for consistency with !HAVE_SETENV */ - char *str = xstrdup (value); - setenv (name, str, 1); -#else - int len = strlen (name) + 1 + strlen (value) + 1; - char *str = XMALLOC (char, len); - sprintf (str, "%s=%s", name, value); - if (putenv (str) != EXIT_SUCCESS) - { - XFREE (str); - } -#endif - } -} - -char * -lt_extend_str (const char *orig_value, const char *add, int to_end) -{ - char *new_value; - if (orig_value && *orig_value) - { - int orig_value_len = strlen (orig_value); - int add_len = strlen (add); - new_value = XMALLOC (char, add_len + orig_value_len + 1); - if (to_end) - { - strcpy (new_value, orig_value); - strcpy (new_value + orig_value_len, add); - } - else - { - strcpy (new_value, add); - strcpy (new_value + add_len, orig_value); - } - } - else - { - new_value = xstrdup (add); - } - return new_value; -} - -int -lt_split_name_value (const char *arg, char** name, char** value) -{ - const char *p; - int len; - if (!arg || !*arg) - return 1; - - p = strchr (arg, (int)'='); - - if (!p) - return 1; - - *value = xstrdup (++p); - - len = strlen (arg) - strlen (*value); - *name = XMALLOC (char, len); - strncpy (*name, arg, len-1); - (*name)[len - 1] = '\0'; - - return 0; -} - -void -lt_opt_process_env_set (const char *arg) -{ - char *name = NULL; - char *value = NULL; - - if (lt_split_name_value (arg, &name, &value) != 0) - { - XFREE (name); - XFREE (value); - lt_fatal ("bad argument for %s: '%s'", env_set_opt, arg); - } - - lt_setenv (name, value); - XFREE (name); - XFREE (value); -} - -void -lt_opt_process_env_prepend (const char *arg) -{ - char *name = NULL; - char *value = NULL; - char *new_value = NULL; - - if (lt_split_name_value (arg, &name, &value) != 0) - { - XFREE (name); - XFREE (value); - lt_fatal ("bad argument for %s: '%s'", env_prepend_opt, arg); - } - - new_value = lt_extend_str (getenv (name), value, 0); - lt_setenv (name, new_value); - XFREE (new_value); - XFREE (name); - XFREE (value); -} - -void -lt_opt_process_env_append (const char *arg) -{ - char *name = NULL; - char *value = NULL; - char *new_value = NULL; - - if (lt_split_name_value (arg, &name, &value) != 0) - { - XFREE (name); - XFREE (value); - lt_fatal ("bad argument for %s: '%s'", env_append_opt, arg); - } - - new_value = lt_extend_str (getenv (name), value, 1); - lt_setenv (name, new_value); - XFREE (new_value); - XFREE (name); - XFREE (value); -} - -void -lt_update_exe_path (const char *name, const char *value) -{ - LTWRAPPER_DEBUGPRINTF (("(lt_update_exe_path) modifying '%s' by prepending '%s'\n", - (name ? name : "<NULL>"), - (value ? value : "<NULL>"))); - - if (name && *name && value && *value) - { - char *new_value = lt_extend_str (getenv (name), value, 0); - /* some systems can't cope with a ':'-terminated path #' */ - int len = strlen (new_value); - while (((len = strlen (new_value)) > 0) && IS_PATH_SEPARATOR (new_value[len-1])) - { - new_value[len-1] = '\0'; - } - lt_setenv (name, new_value); - XFREE (new_value); - } -} - -void -lt_update_lib_path (const char *name, const char *value) -{ - LTWRAPPER_DEBUGPRINTF (("(lt_update_lib_path) modifying '%s' by prepending '%s'\n", - (name ? name : "<NULL>"), - (value ? value : "<NULL>"))); - - if (name && *name && value && *value) - { - char *new_value = lt_extend_str (getenv (name), value, 0); - lt_setenv (name, new_value); - XFREE (new_value); - } -} - - -EOF -} -# end: func_emit_cwrapperexe_src - -# func_mode_link arg... -func_mode_link () -{ - $opt_debug - case $host in - *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-cegcc*) - # It is impossible to link a dll without this setting, and - # we shouldn't force the makefile maintainer to figure out - # which system we are compiling for in order to pass an extra - # flag for every libtool invocation. - # allow_undefined=no - - # FIXME: Unfortunately, there are problems with the above when trying - # to make a dll which has undefined symbols, in which case not - # even a static library is built. 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- *) finalize_rpath="$finalize_rpath $libdir" - esac - ;; - esac - fi - - if test -n "$old_archive_from_expsyms_cmds"; then - # figure out the soname - set dummy $library_names - shift - realname="$1" - shift - libname=`eval "\\$ECHO \"$libname_spec\""` - # use dlname if we got it. it's perfectly good, no? - if test -n "$dlname"; then - soname="$dlname" - elif test -n "$soname_spec"; then - # bleh windows - case $host in - *cygwin* | mingw* | *cegcc*) - func_arith $current - $age - major=$func_arith_result - versuffix="-$major" - ;; - esac - eval soname=\"$soname_spec\" - else - soname="$realname" - fi - - # Make a new name for the extract_expsyms_cmds to use - soroot="$soname" - func_basename "$soroot" - soname="$func_basename_result" - func_stripname 'lib' '.dll' "$soname" - newlib=libimp-$func_stripname_result.a - - # If the library has no export list, then create one now - if test -f "$output_objdir/$soname-def"; then : - else - func_verbose "extracting exported symbol list from \`$soname'" - func_execute_cmds "$extract_expsyms_cmds" 'exit $?' - fi - - # Create $newlib - if test -f "$output_objdir/$newlib"; then :; else - func_verbose "generating import library for \`$soname'" - func_execute_cmds "$old_archive_from_expsyms_cmds" 'exit $?' - fi - # make sure the library variables are pointing to the new library - dir=$output_objdir - linklib=$newlib - fi # test -n "$old_archive_from_expsyms_cmds" - - if test "$linkmode" = prog || test "$mode" != relink; then - add_shlibpath= - add_dir= - add= - lib_linked=yes - case $hardcode_action in - immediate | unsupported) - if test "$hardcode_direct" = no; then - add="$dir/$linklib" - case $host in - *-*-sco3.2v5.0.[024]*) add_dir="-L$dir" ;; - *-*-sysv4*uw2*) add_dir="-L$dir" ;; - *-*-sysv5OpenUNIX* | *-*-sysv5UnixWare7.[01].[10]* | \ - *-*-unixware7*) add_dir="-L$dir" ;; - *-*-darwin* ) - # if the lib is a (non-dlopened) module then we can not - # link against it, someone is ignoring the earlier warnings - if /usr/bin/file -L $add 2> /dev/null | - $GREP ": [^:]* bundle" >/dev/null ; then - if test "X$dlopenmodule" != "X$lib"; then - $ECHO "*** Warning: lib $linklib is a module, not a shared library" - if test -z "$old_library" ; 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- *) lib_linked=no ;; - esac - - if test "$lib_linked" != yes; then - func_fatal_configuration "unsupported hardcode properties" - fi - - if test -n "$add_shlibpath"; then - case :$compile_shlibpath: in - *":$add_shlibpath:"*) ;; - *) compile_shlibpath="$compile_shlibpath$add_shlibpath:" ;; - esac - fi - if test "$linkmode" = prog; then - test -n "$add_dir" && compile_deplibs="$add_dir $compile_deplibs" - test -n "$add" && compile_deplibs="$add $compile_deplibs" - else - test -n "$add_dir" && deplibs="$add_dir $deplibs" - test -n "$add" && deplibs="$add $deplibs" - if test "$hardcode_direct" != yes && - test "$hardcode_minus_L" != yes && - test "$hardcode_shlibpath_var" = yes; then - case :$finalize_shlibpath: in - *":$libdir:"*) ;; - *) finalize_shlibpath="$finalize_shlibpath$libdir:" ;; - esac - fi - fi - fi - - if test "$linkmode" = prog || test "$mode" = relink; then - add_shlibpath= - add_dir= - add= - # Finalize command for both is simple: just hardcode it. - if test "$hardcode_direct" = yes && - test "$hardcode_direct_absolute" = no; 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then - # Here we assume that one of hardcode_direct or hardcode_minus_L - # is not unsupported. 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Last file checked: $potlib" - fi - fi - ;; - *) - # Add a -L argument. - newdeplibs="$newdeplibs $a_deplib" - ;; - esac - done # Gone through all deplibs. - ;; - match_pattern*) - set dummy $deplibs_check_method; shift - match_pattern_regex=`expr "$deplibs_check_method" : "$1 \(.*\)"` - for a_deplib in $deplibs; do - case $a_deplib in - -l*) - func_stripname -l '' "$a_deplib" - name=$func_stripname_result - if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then - case " $predeps $postdeps " in - *" $a_deplib "*) - newdeplibs="$newdeplibs $a_deplib" - a_deplib="" - ;; - esac - fi - if test -n "$a_deplib" ; then - libname=`eval "\\$ECHO \"$libname_spec\""` - for i in $lib_search_path $sys_lib_search_path $shlib_search_path; do - potential_libs=`ls $i/$libname[.-]* 2>/dev/null` - for potent_lib in $potential_libs; do - potlib="$potent_lib" # see symlink-check above in file_magic test - if eval "\$ECHO \"X$potent_lib\"" 2>/dev/null | $Xsed -e 10q | \ - $EGREP "$match_pattern_regex" > /dev/null; then - newdeplibs="$newdeplibs $a_deplib" - a_deplib="" - break 2 - fi - done - done - fi - if test -n "$a_deplib" ; then - droppeddeps=yes - $ECHO - $ECHO "*** Warning: linker path does not have real file for library $a_deplib." - $ECHO "*** I have the capability to make that library automatically link in when" - $ECHO "*** you link to this library. But I can only do this if you have a" - $ECHO "*** shared version of the library, which you do not appear to have" - $ECHO "*** because I did check the linker path looking for a file starting" - if test -z "$potlib" ; then - $ECHO "*** with $libname but no candidates were found. (...for regex pattern test)" - else - $ECHO "*** with $libname and none of the candidates passed a file format test" - $ECHO "*** using a regex pattern. Last file checked: $potlib" - fi - fi - ;; - *) - # Add a -L argument. - newdeplibs="$newdeplibs $a_deplib" - ;; - esac - done # Gone through all deplibs. - ;; - none | unknown | *) - newdeplibs="" - tmp_deplibs=`$ECHO "X $deplibs" | $Xsed \ - -e 's/ -lc$//' -e 's/ -[LR][^ ]*//g'` - if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then - for i in $predeps $postdeps ; do - # can't use Xsed below, because $i might contain '/' - tmp_deplibs=`$ECHO "X $tmp_deplibs" | $Xsed -e "s,$i,,"` - done - fi - if $ECHO "X $tmp_deplibs" | $Xsed -e 's/[ ]//g' | - $GREP . >/dev/null; then - $ECHO - if test "X$deplibs_check_method" = "Xnone"; then - $ECHO "*** Warning: inter-library dependencies are not supported in this platform." - else - $ECHO "*** Warning: inter-library dependencies are not known to be supported." - fi - $ECHO "*** All declared inter-library dependencies are being dropped." - droppeddeps=yes - fi - ;; - esac - versuffix=$versuffix_save - major=$major_save - release=$release_save - libname=$libname_save - name=$name_save - - case $host in - *-*-rhapsody* | *-*-darwin1.[012]) - # On Rhapsody replace the C library with the System framework - newdeplibs=`$ECHO "X $newdeplibs" | $Xsed -e 's/ -lc / System.ltframework /'` - ;; - esac - - if test "$droppeddeps" = yes; then - if test "$module" = yes; then - $ECHO - $ECHO "*** Warning: libtool could not satisfy all declared inter-library" - $ECHO "*** dependencies of module $libname. Therefore, libtool will create" - $ECHO "*** a static module, that should work as long as the dlopening" - $ECHO "*** application is linked with the -dlopen flag." - if test -z "$global_symbol_pipe"; then - $ECHO - $ECHO "*** However, this would only work if libtool was able to extract symbol" - $ECHO "*** lists from a program, using \`nm' or equivalent, but libtool could" - $ECHO "*** not find such a program. So, this module is probably useless." - $ECHO "*** \`nm' from GNU binutils and a full rebuild may help." - fi - if test "$build_old_libs" = no; then - oldlibs="$output_objdir/$libname.$libext" - build_libtool_libs=module - build_old_libs=yes - else - build_libtool_libs=no - fi - else - $ECHO "*** The inter-library dependencies that have been dropped here will be" - $ECHO "*** automatically added whenever a program is linked with this library" - $ECHO "*** or is declared to -dlopen it." - - if test "$allow_undefined" = no; then - $ECHO - $ECHO "*** Since this library must not contain undefined symbols," - $ECHO "*** because either the platform does not support them or" - $ECHO "*** it was explicitly requested with -no-undefined," - $ECHO "*** libtool will only create a static version of it." - if test "$build_old_libs" = no; then - oldlibs="$output_objdir/$libname.$libext" - build_libtool_libs=module - build_old_libs=yes - else - build_libtool_libs=no - fi - fi - fi - fi - # Done checking deplibs! - deplibs=$newdeplibs - fi - # Time to change all our "foo.ltframework" stuff back to "-framework foo" - case $host in - *-*-darwin*) - newdeplibs=`$ECHO "X $newdeplibs" | $Xsed -e 's% \([^ $]*\).ltframework% -framework \1%g'` - new_inherited_linker_flags=`$ECHO "X $new_inherited_linker_flags" | $Xsed -e 's% \([^ $]*\).ltframework% -framework \1%g'` - deplibs=`$ECHO "X $deplibs" | $Xsed -e 's% \([^ $]*\).ltframework% -framework \1%g'` - ;; - esac - - # move library search paths that coincide with paths to not yet - # installed libraries to the beginning of the library search list - new_libs= - for path in $notinst_path; do - case " $new_libs " in - *" -L$path/$objdir "*) ;; - *) - case " $deplibs " in - *" -L$path/$objdir "*) - new_libs="$new_libs -L$path/$objdir" ;; - esac - ;; - esac - done - for deplib in $deplibs; do - case $deplib in - -L*) - case " $new_libs " in - *" $deplib "*) ;; - *) new_libs="$new_libs $deplib" ;; - esac - ;; - *) new_libs="$new_libs $deplib" ;; - esac - done - deplibs="$new_libs" - - # All the library-specific variables (install_libdir is set above). - library_names= - old_library= - dlname= - - # Test again, we may have decided not to build it any more - if test "$build_libtool_libs" = yes; then - if test "$hardcode_into_libs" = yes; then - # Hardcode the library paths - hardcode_libdirs= - dep_rpath= - rpath="$finalize_rpath" - test "$mode" != relink && rpath="$compile_rpath$rpath" - for libdir in $rpath; do - if test -n "$hardcode_libdir_flag_spec"; then - if test -n "$hardcode_libdir_separator"; then - if test -z "$hardcode_libdirs"; then - hardcode_libdirs="$libdir" - else - # Just accumulate the unique libdirs. - case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in - *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*) - ;; - *) - hardcode_libdirs="$hardcode_libdirs$hardcode_libdir_separator$libdir" - ;; - esac - fi - else - eval flag=\"$hardcode_libdir_flag_spec\" - dep_rpath="$dep_rpath $flag" - fi - elif test -n "$runpath_var"; then - case "$perm_rpath " in - *" $libdir "*) ;; - *) perm_rpath="$perm_rpath $libdir" ;; - esac - fi - done - # Substitute the hardcoded libdirs into the rpath. - if test -n "$hardcode_libdir_separator" && - test -n "$hardcode_libdirs"; then - libdir="$hardcode_libdirs" - if test -n "$hardcode_libdir_flag_spec_ld"; then - eval dep_rpath=\"$hardcode_libdir_flag_spec_ld\" - else - eval dep_rpath=\"$hardcode_libdir_flag_spec\" - fi - fi - if test -n "$runpath_var" && test -n "$perm_rpath"; then - # We should set the runpath_var. - rpath= - for dir in $perm_rpath; do - rpath="$rpath$dir:" - done - eval "$runpath_var='$rpath\$$runpath_var'; export $runpath_var" - fi - test -n "$dep_rpath" && deplibs="$dep_rpath $deplibs" - fi - - shlibpath="$finalize_shlibpath" - test "$mode" != relink && shlibpath="$compile_shlibpath$shlibpath" - if test -n "$shlibpath"; then - eval "$shlibpath_var='$shlibpath\$$shlibpath_var'; export $shlibpath_var" - fi - - # Get the real and link names of the library. - eval shared_ext=\"$shrext_cmds\" - eval library_names=\"$library_names_spec\" - set dummy $library_names - shift - realname="$1" - shift - - if test -n "$soname_spec"; then - eval soname=\"$soname_spec\" - else - soname="$realname" - fi - if test -z "$dlname"; then - dlname=$soname - fi - - lib="$output_objdir/$realname" - linknames= - for link - do - linknames="$linknames $link" - done - - # Use standard objects if they are pic - test -z "$pic_flag" && libobjs=`$ECHO "X$libobjs" | $SP2NL | $Xsed -e "$lo2o" | $NL2SP` - test "X$libobjs" = "X " && libobjs= - - delfiles= - if test -n "$export_symbols" && test -n "$include_expsyms"; then - $opt_dry_run || cp "$export_symbols" "$output_objdir/$libname.uexp" - export_symbols="$output_objdir/$libname.uexp" - delfiles="$delfiles $export_symbols" - fi - - orig_export_symbols= - case $host_os in - cygwin* | mingw* | cegcc*) - if test -n "$export_symbols" && test -z "$export_symbols_regex"; then - # exporting using user supplied symfile - if test "x`$SED 1q $export_symbols`" != xEXPORTS; then - # and it's NOT already a .def file. Must figure out - # which of the given symbols are data symbols and tag - # them as such. So, trigger use of export_symbols_cmds. - # export_symbols gets reassigned inside the "prepare - # the list of exported symbols" if statement, so the - # include_expsyms logic still works. - orig_export_symbols="$export_symbols" - export_symbols= - always_export_symbols=yes - fi - fi - ;; - esac - - # Prepare the list of exported symbols - if test -z "$export_symbols"; then - if test "$always_export_symbols" = yes || test -n "$export_symbols_regex"; then - func_verbose "generating symbol list for \`$libname.la'" - export_symbols="$output_objdir/$libname.exp" - $opt_dry_run || $RM $export_symbols - cmds=$export_symbols_cmds - save_ifs="$IFS"; IFS='~' - for cmd in $cmds; do - IFS="$save_ifs" - eval cmd=\"$cmd\" - func_len " $cmd" - len=$func_len_result - if test "$len" -lt "$max_cmd_len" || test "$max_cmd_len" -le -1; then - func_show_eval "$cmd" 'exit $?' - skipped_export=false - else - # The command line is too long to execute in one step. - func_verbose "using reloadable object file for export list..." - skipped_export=: - # Break out early, otherwise skipped_export may be - # set to false by a later but shorter cmd. - break - fi - done - IFS="$save_ifs" - if test -n "$export_symbols_regex" && test "X$skipped_export" != "X:"; then - func_show_eval '$EGREP -e "$export_symbols_regex" "$export_symbols" > "${export_symbols}T"' - func_show_eval '$MV "${export_symbols}T" "$export_symbols"' - fi - fi - fi - - if test -n "$export_symbols" && test -n "$include_expsyms"; then - tmp_export_symbols="$export_symbols" - test -n "$orig_export_symbols" && tmp_export_symbols="$orig_export_symbols" - $opt_dry_run || eval '$ECHO "X$include_expsyms" | $Xsed | $SP2NL >> "$tmp_export_symbols"' - fi - - if test "X$skipped_export" != "X:" && test -n "$orig_export_symbols"; then - # The given exports_symbols file has to be filtered, so filter it. - func_verbose "filter symbol list for \`$libname.la' to tag DATA exports" - # FIXME: $output_objdir/$libname.filter potentially contains lots of - # 's' commands which not all seds can handle. GNU sed should be fine - # though. Also, the filter scales superlinearly with the number of - # global variables. join(1) would be nice here, but unfortunately - # isn't a blessed tool. - $opt_dry_run || $SED -e '/[ ,]DATA/!d;s,\(.*\)\([ \,].*\),s|^\1$|\1\2|,' < $export_symbols > $output_objdir/$libname.filter - delfiles="$delfiles $export_symbols $output_objdir/$libname.filter" - export_symbols=$output_objdir/$libname.def - $opt_dry_run || $SED -f $output_objdir/$libname.filter < $orig_export_symbols > $export_symbols - fi - - tmp_deplibs= - for test_deplib in $deplibs; do - case " $convenience " in - *" $test_deplib "*) ;; - *) - tmp_deplibs="$tmp_deplibs $test_deplib" - ;; - esac - done - deplibs="$tmp_deplibs" - - if test -n "$convenience"; then - if test -n "$whole_archive_flag_spec" && - test "$compiler_needs_object" = yes && - test -z "$libobjs"; then - # extract the archives, so we have objects to list. - # TODO: could optimize this to just extract one archive. - whole_archive_flag_spec= - fi - if test -n "$whole_archive_flag_spec"; then - save_libobjs=$libobjs - eval libobjs=\"\$libobjs $whole_archive_flag_spec\" - test "X$libobjs" = "X " && libobjs= - else - gentop="$output_objdir/${outputname}x" - generated="$generated $gentop" - - func_extract_archives $gentop $convenience - libobjs="$libobjs $func_extract_archives_result" - test "X$libobjs" = "X " && libobjs= - fi - fi - - if test "$thread_safe" = yes && test -n "$thread_safe_flag_spec"; then - eval flag=\"$thread_safe_flag_spec\" - linker_flags="$linker_flags $flag" - fi - - # Make a backup of the uninstalled library when relinking - if test "$mode" = relink; then - $opt_dry_run || eval '(cd $output_objdir && $RM ${realname}U && $MV $realname ${realname}U)' || exit $? - fi - - # Do each of the archive commands. - if test "$module" = yes && test -n "$module_cmds" ; then - if test -n "$export_symbols" && test -n "$module_expsym_cmds"; then - eval test_cmds=\"$module_expsym_cmds\" - cmds=$module_expsym_cmds - else - eval test_cmds=\"$module_cmds\" - cmds=$module_cmds - fi - else - if test -n "$export_symbols" && test -n "$archive_expsym_cmds"; then - eval test_cmds=\"$archive_expsym_cmds\" - cmds=$archive_expsym_cmds - else - eval test_cmds=\"$archive_cmds\" - cmds=$archive_cmds - fi - fi - - if test "X$skipped_export" != "X:" && - func_len " $test_cmds" && - len=$func_len_result && - test "$len" -lt "$max_cmd_len" || test "$max_cmd_len" -le -1; then - : - else - # The command line is too long to link in one step, link piecewise - # or, if using GNU ld and skipped_export is not :, use a linker - # script. - - # Save the value of $output and $libobjs because we want to - # use them later. If we have whole_archive_flag_spec, we - # want to use save_libobjs as it was before - # whole_archive_flag_spec was expanded, because we can't - # assume the linker understands whole_archive_flag_spec. - # This may have to be revisited, in case too many - # convenience libraries get linked in and end up exceeding - # the spec. - if test -z "$convenience" || test -z "$whole_archive_flag_spec"; then - save_libobjs=$libobjs - fi - save_output=$output - output_la=`$ECHO "X$output" | $Xsed -e "$basename"` - - # Clear the reloadable object creation command queue and - # initialize k to one. - test_cmds= - concat_cmds= - objlist= - last_robj= - k=1 - - if test -n "$save_libobjs" && test "X$skipped_export" != "X:" && test "$with_gnu_ld" = yes; then - output=${output_objdir}/${output_la}.lnkscript - func_verbose "creating GNU ld script: $output" - $ECHO 'INPUT (' > $output - for obj in $save_libobjs - do - $ECHO "$obj" >> $output - done - $ECHO ')' >> $output - delfiles="$delfiles $output" - elif test -n "$save_libobjs" && test "X$skipped_export" != "X:" && test "X$file_list_spec" != X; then - output=${output_objdir}/${output_la}.lnk - func_verbose "creating linker input file list: $output" - : > $output - set x $save_libobjs - shift - firstobj= - if test "$compiler_needs_object" = yes; then - firstobj="$1 " - shift - fi - for obj - do - $ECHO "$obj" >> $output - done - delfiles="$delfiles $output" - output=$firstobj\"$file_list_spec$output\" - else - if test -n "$save_libobjs"; then - func_verbose "creating reloadable object files..." - output=$output_objdir/$output_la-${k}.$objext - eval test_cmds=\"$reload_cmds\" - func_len " $test_cmds" - len0=$func_len_result - len=$len0 - - # Loop over the list of objects to be linked. - for obj in $save_libobjs - do - func_len " $obj" - func_arith $len + $func_len_result - len=$func_arith_result - if test "X$objlist" = X || - test "$len" -lt "$max_cmd_len"; then - func_append objlist " $obj" - else - # The command $test_cmds is almost too long, add a - # command to the queue. - if test "$k" -eq 1 ; then - # The first file doesn't have a previous command to add. - eval concat_cmds=\"$reload_cmds $objlist $last_robj\" - else - # All subsequent reloadable object files will link in - # the last one created. - eval concat_cmds=\"\$concat_cmds~$reload_cmds $objlist $last_robj~\$RM $last_robj\" - fi - last_robj=$output_objdir/$output_la-${k}.$objext - func_arith $k + 1 - k=$func_arith_result - output=$output_objdir/$output_la-${k}.$objext - objlist=$obj - func_len " $last_robj" - func_arith $len0 + $func_len_result - len=$func_arith_result - fi - done - # Handle the remaining objects by creating one last - # reloadable object file. All subsequent reloadable object - # files will link in the last one created. - test -z "$concat_cmds" || concat_cmds=$concat_cmds~ - eval concat_cmds=\"\${concat_cmds}$reload_cmds $objlist $last_robj\" - if test -n "$last_robj"; then - eval concat_cmds=\"\${concat_cmds}~\$RM $last_robj\" - fi - delfiles="$delfiles $output" - - else - output= - fi - - if ${skipped_export-false}; then - func_verbose "generating symbol list for \`$libname.la'" - export_symbols="$output_objdir/$libname.exp" - $opt_dry_run || $RM $export_symbols - libobjs=$output - # Append the command to create the export file. - test -z "$concat_cmds" || concat_cmds=$concat_cmds~ - eval concat_cmds=\"\$concat_cmds$export_symbols_cmds\" - if test -n "$last_robj"; then - eval concat_cmds=\"\$concat_cmds~\$RM $last_robj\" - fi - fi - - test -n "$save_libobjs" && - func_verbose "creating a temporary reloadable object file: $output" - - # Loop through the commands generated above and execute them. - save_ifs="$IFS"; IFS='~' - for cmd in $concat_cmds; do - IFS="$save_ifs" - $opt_silent || { - func_quote_for_expand "$cmd" - eval "func_echo $func_quote_for_expand_result" - } - $opt_dry_run || eval "$cmd" || { - lt_exit=$? - - # Restore the uninstalled library and exit - if test "$mode" = relink; then - ( cd "$output_objdir" && \ - $RM "${realname}T" && \ - $MV "${realname}U" "$realname" ) - fi - - exit $lt_exit - } - done - IFS="$save_ifs" - - if test -n "$export_symbols_regex" && ${skipped_export-false}; then - func_show_eval '$EGREP -e "$export_symbols_regex" "$export_symbols" > "${export_symbols}T"' - func_show_eval '$MV "${export_symbols}T" "$export_symbols"' - fi - fi - - if ${skipped_export-false}; then - if test -n "$export_symbols" && test -n "$include_expsyms"; then - tmp_export_symbols="$export_symbols" - test -n "$orig_export_symbols" && tmp_export_symbols="$orig_export_symbols" - $opt_dry_run || eval '$ECHO "X$include_expsyms" | $Xsed | $SP2NL >> "$tmp_export_symbols"' - fi - - if test -n "$orig_export_symbols"; then - # The given exports_symbols file has to be filtered, so filter it. - func_verbose "filter symbol list for \`$libname.la' to tag DATA exports" - # FIXME: $output_objdir/$libname.filter potentially contains lots of - # 's' commands which not all seds can handle. GNU sed should be fine - # though. Also, the filter scales superlinearly with the number of - # global variables. join(1) would be nice here, but unfortunately - # isn't a blessed tool. - $opt_dry_run || $SED -e '/[ ,]DATA/!d;s,\(.*\)\([ \,].*\),s|^\1$|\1\2|,' < $export_symbols > $output_objdir/$libname.filter - delfiles="$delfiles $export_symbols $output_objdir/$libname.filter" - export_symbols=$output_objdir/$libname.def - $opt_dry_run || $SED -f $output_objdir/$libname.filter < $orig_export_symbols > $export_symbols - fi - fi - - libobjs=$output - # Restore the value of output. - output=$save_output - - if test -n "$convenience" && test -n "$whole_archive_flag_spec"; then - eval libobjs=\"\$libobjs $whole_archive_flag_spec\" - test "X$libobjs" = "X " && libobjs= - fi - # Expand the library linking commands again to reset the - # value of $libobjs for piecewise linking. - - # Do each of the archive commands. - if test "$module" = yes && test -n "$module_cmds" ; then - if test -n "$export_symbols" && test -n "$module_expsym_cmds"; then - cmds=$module_expsym_cmds - else - cmds=$module_cmds - fi - else - if test -n "$export_symbols" && test -n "$archive_expsym_cmds"; then - cmds=$archive_expsym_cmds - else - cmds=$archive_cmds - fi - fi - fi - - if test -n "$delfiles"; then - # Append the command to remove temporary files to $cmds. - eval cmds=\"\$cmds~\$RM $delfiles\" - fi - - # Add any objects from preloaded convenience libraries - if test -n "$dlprefiles"; then - gentop="$output_objdir/${outputname}x" - generated="$generated $gentop" - - func_extract_archives $gentop $dlprefiles - libobjs="$libobjs $func_extract_archives_result" - test "X$libobjs" = "X " && libobjs= - fi - - save_ifs="$IFS"; IFS='~' - for cmd in $cmds; do - IFS="$save_ifs" - eval cmd=\"$cmd\" - $opt_silent || { - func_quote_for_expand "$cmd" - eval "func_echo $func_quote_for_expand_result" - } - $opt_dry_run || eval "$cmd" || { - lt_exit=$? - - # Restore the uninstalled library and exit - if test "$mode" = relink; then - ( cd "$output_objdir" && \ - $RM "${realname}T" && \ - $MV "${realname}U" "$realname" ) - fi - - exit $lt_exit - } - done - IFS="$save_ifs" - - # Restore the uninstalled library and exit - if test "$mode" = relink; then - $opt_dry_run || eval '(cd $output_objdir && $RM ${realname}T && $MV $realname ${realname}T && $MV ${realname}U $realname)' || exit $? - - if test -n "$convenience"; then - if test -z "$whole_archive_flag_spec"; then - func_show_eval '${RM}r "$gentop"' - fi - fi - - exit $EXIT_SUCCESS - fi - - # Create links to the real library. - for linkname in $linknames; do - if test "$realname" != "$linkname"; then - func_show_eval '(cd "$output_objdir" && $RM "$linkname" && $LN_S "$realname" "$linkname")' 'exit $?' - fi - done - - # If -module or -export-dynamic was specified, set the dlname. - if test "$module" = yes || test "$export_dynamic" = yes; then - # On all known operating systems, these are identical. - dlname="$soname" - fi - fi - ;; - - obj) - if test -n "$dlfiles$dlprefiles" || test "$dlself" != no; then - func_warning "\`-dlopen' is ignored for objects" - fi - - case " $deplibs" in - *\ -l* | *\ -L*) - func_warning "\`-l' and \`-L' are ignored for objects" ;; - esac - - test -n "$rpath" && \ - func_warning "\`-rpath' is ignored for objects" - - test -n "$xrpath" && \ - func_warning "\`-R' is ignored for objects" - - test -n "$vinfo" && \ - func_warning "\`-version-info' is ignored for objects" - - test -n "$release" && \ - func_warning "\`-release' is ignored for objects" - - case $output in - *.lo) - test -n "$objs$old_deplibs" && \ - func_fatal_error "cannot build library object \`$output' from non-libtool objects" - - libobj=$output - func_lo2o "$libobj" - obj=$func_lo2o_result - ;; - *) - libobj= - obj="$output" - ;; - esac - - # Delete the old objects. - $opt_dry_run || $RM $obj $libobj - - # Objects from convenience libraries. This assumes - # single-version convenience libraries. 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do - if test -n "$hardcode_libdir_flag_spec"; then - if test -n "$hardcode_libdir_separator"; then - if test -z "$hardcode_libdirs"; then - hardcode_libdirs="$libdir" - else - # Just accumulate the unique libdirs. - case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in - *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*) - ;; - *) - hardcode_libdirs="$hardcode_libdirs$hardcode_libdir_separator$libdir" - ;; - esac - fi - else - eval flag=\"$hardcode_libdir_flag_spec\" - rpath="$rpath $flag" - fi - elif test -n "$runpath_var"; then - case "$perm_rpath " in - *" $libdir "*) ;; - *) perm_rpath="$perm_rpath $libdir" ;; - esac - fi - case $host in - *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-cegcc*) - testbindir=`${ECHO} "$libdir" | ${SED} -e 's*/lib$*/bin*'` - case :$dllsearchpath: in - *":$libdir:"*) ;; - ::) dllsearchpath=$libdir;; - *) dllsearchpath="$dllsearchpath:$libdir";; - esac - case :$dllsearchpath: in - *":$testbindir:"*) ;; - ::) dllsearchpath=$testbindir;; 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- *) - if test "$need_relink" = no || test "$build_libtool_libs" != yes; then - wrappers_required=no - fi - ;; - esac - if test "$wrappers_required" = no; then - # Replace the output file specification. - compile_command=`$ECHO "X$compile_command" | $Xsed -e 's%@OUTPUT@%'"$output"'%g'` - link_command="$compile_command$compile_rpath" - - # We have no uninstalled library dependencies, so finalize right now. - exit_status=0 - func_show_eval "$link_command" 'exit_status=$?' - - # Delete the generated files. - if test -f "$output_objdir/${outputname}S.${objext}"; then - func_show_eval '$RM "$output_objdir/${outputname}S.${objext}"' - fi - - exit $exit_status - fi - - if test -n "$compile_shlibpath$finalize_shlibpath"; then - compile_command="$shlibpath_var=\"$compile_shlibpath$finalize_shlibpath\$$shlibpath_var\" $compile_command" - fi - if test -n "$finalize_shlibpath"; then - finalize_command="$shlibpath_var=\"$finalize_shlibpath\$$shlibpath_var\" $finalize_command" - fi - - compile_var= - finalize_var= - if test -n "$runpath_var"; then - if test -n "$perm_rpath"; then - # We should set the runpath_var. - rpath= - for dir in $perm_rpath; do - rpath="$rpath$dir:" - done - compile_var="$runpath_var=\"$rpath\$$runpath_var\" " - fi - if test -n "$finalize_perm_rpath"; then - # We should set the runpath_var. - rpath= - for dir in $finalize_perm_rpath; do - rpath="$rpath$dir:" - done - finalize_var="$runpath_var=\"$rpath\$$runpath_var\" " - fi - fi - - if test "$no_install" = yes; then - # We don't need to create a wrapper script. - link_command="$compile_var$compile_command$compile_rpath" - # Replace the output file specification. - link_command=`$ECHO "X$link_command" | $Xsed -e 's%@OUTPUT@%'"$output"'%g'` - # Delete the old output file. - $opt_dry_run || $RM $output - # Link the executable and exit - func_show_eval "$link_command" 'exit $?' - exit $EXIT_SUCCESS - fi - - if test "$hardcode_action" = relink; then - # Fast installation is not supported - link_command="$compile_var$compile_command$compile_rpath" - relink_command="$finalize_var$finalize_command$finalize_rpath" - - func_warning "this platform does not like uninstalled shared libraries" - func_warning "\`$output' will be relinked during installation" - else - if test "$fast_install" != no; then - link_command="$finalize_var$compile_command$finalize_rpath" - if test "$fast_install" = yes; then - relink_command=`$ECHO "X$compile_var$compile_command$compile_rpath" | $Xsed -e 's%@OUTPUT@%\$progdir/\$file%g'` - else - # fast_install is set to needless - relink_command= - fi - else - link_command="$compile_var$compile_command$compile_rpath" - relink_command="$finalize_var$finalize_command$finalize_rpath" - fi - fi - - # Replace the output file specification. - link_command=`$ECHO "X$link_command" | $Xsed -e 's%@OUTPUT@%'"$output_objdir/$outputname"'%g'` - - # Delete the old output files. - $opt_dry_run || $RM $output $output_objdir/$outputname $output_objdir/lt-$outputname - - func_show_eval "$link_command" 'exit $?' - - # Now create the wrapper script. - func_verbose "creating $output" - - # Quote the relink command for shipping. - if test -n "$relink_command"; then - # Preserve any variables that may affect compiler behavior - for var in $variables_saved_for_relink; do - if eval test -z \"\${$var+set}\"; 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On some Linux 2.2.x systems, there is no stack limit for user - processes at all. We don't want to kill such systems. */ - struct rlimit rl; - rl.rlim_cur = rl.rlim_max = 0x100000; /* 1 MB */ - setrlimit (RLIMIT_STACK, &rl); -#endif - /* Install the alternate stack. 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On some Linux 2.2.x systems, there is no stack limit for user - processes at all. We don't want to kill such systems. */ - struct rlimit rl; - rl.rlim_cur = rl.rlim_max = 0x100000; /* 1 MB */ - setrlimit (RLIMIT_STACK, &rl); -#endif - /* Install the alternate stack. 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On some Linux 2.2.x systems, there is no stack limit for user - processes at all. We don't want to kill such systems. */ - struct rlimit rl; - rl.rlim_cur = rl.rlim_max = 0x100000; /* 1 MB */ - setrlimit (RLIMIT_STACK, &rl); -#endif - /* Install the alternate stack. 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Better fail than hang. */ - exit (1); -#endif -#if defined HAVE_SETRLIMIT && defined RLIMIT_STACK - /* Before starting the endless recursion, try to be friendly to the user's - machine. On some Linux 2.2.x systems, there is no stack limit for user - processes at all. We don't want to kill such systems. */ - struct rlimit rl; - rl.rlim_cur = rl.rlim_max = 0x100000; /* 1 MB */ - setrlimit (RLIMIT_STACK, &rl); -#endif - /* Install the alternate stack. 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On MacOS X (Darwin) one also -dnl needs <sys/signal.h>. -AC_CHECK_HEADERS([sys/signal.h]) - -dnl List of signals that are sent when an invalid virtual memory address -dnl is accessed, or when the stack overflows. -case "$host_os" in - sunos4* | freebsd* | dragonfly* | openbsd* | netbsd* | kfreebsd* | knetbsd*) - CFG_SIGNALS=signals-bsd.h ;; - hpux*) - CFG_SIGNALS=signals-hpux.h ;; - macos* | darwin*) - CFG_SIGNALS=signals-macos.h ;; - gnu*) - CFG_SIGNALS=signals-hurd.h ;; - *) - CFG_SIGNALS=signals.h ;; -esac -AC_DEFINE_UNQUOTED([CFG_SIGNALS], ["$CFG_SIGNALS"], - [The name of the include file describing the fault signals.]) - -# How to determine the memory page size. -SV_GETPAGESIZE - -# How to allocate fresh memory using mmap. -# (We need mmap, because mprotect() doesn't work on malloc()ed memory on -# some systems.) -SV_MMAP_ANON - -# How to write a SIGSEGV handler with access to the fault address. - -# On MacOS X 10.2 or newer, we don't need these tests, because we'll end up -# using handler-macos.c anyway. If we were to perform the tests, 5 Crash Report -# dialog windows would pop up. -case "$host_os" in - macos* | darwin[[6-9]]* | darwin[[1-9]][[0-9]]*) ;; - *) - -dnl FIXME: Put in some more known values into the third argument. -SV_TRY_FAULT([POSIX], sv_cv_fault_posix, - [*-*-solaris2.[7-9] | i?86-*-linux2.[4-9]* | i?86-*-freebsd[4-9]* | i?86-*-mirbsd1[0-9] | alpha*-dec-osf[4-9]* | *-*-hpux11* | mips-sgi-irix6*], - [], - [int sig, siginfo_t *sip, void *ucp], - [sip->si_addr], - [action.sa_sigaction = &sigsegv_handler; - action.sa_flags = SA_SIGINFO;]) - -SV_TRY_FAULT([Linux/i386], sv_cv_fault_linux_i386, [i?86-*-linux2.[2-9]*], - [#include <asm/sigcontext.h>], - [int sig, struct sigcontext sc], - [sc.cr2]) - -SV_TRY_FAULT([old Linux/i386], sv_cv_fault_linux_i386_old, - [i?86-*-linux2.[2-9]*], - [], - [int sig, unsigned int more], - [((unsigned long *) &more) [21]]) - -dnl FIXME: Put in some more known values into the third argument. -SV_TRY_FAULT([Linux/m68k], sv_cv_fault_linux_m68k, [], - [#include <asm/sigcontext.h> -#include "$srcdir/src/fault-linux-m68k.c"], - [int sig, int code, struct sigcontext *scp], - [get_fault_addr (scp)]) - -dnl FIXME: Put in some more known values into the third argument. -SV_TRY_FAULT([Linux/PowerPC], sv_cv_fault_linux_powerpc, [], - [#include <asm/sigcontext.h>], - [int sig, struct sigcontext *scp], - [scp->regs->dar]) - -dnl FIXME: Put in some more known values into the third argument. -SV_TRY_FAULT([Linux/HPPA], sv_cv_fault_linux_hppa, [], - [], - [int sig, siginfo_t *sip, void *ucp], - [sip->si_ptr], - [action.sa_sigaction = &sigsegv_handler; - action.sa_flags = SA_SIGINFO;]) - -dnl FIXME: Put in some more known values into the third argument. -SV_TRY_FAULT([BSD], sv_cv_fault_bsd, [i?86-*-freebsd[4-9]*], - [], - [int sig, int code, struct sigcontext *scp, void *addr], - [addr]) - -dnl FIXME: Put in some more known values into the third argument. -SV_TRY_FAULT([IRIX], sv_cv_fault_irix, [mips-sgi-irix6*], - [], - [int sig, int code, struct sigcontext *scp], - [(unsigned long) scp->sc_badvaddr]) - -dnl FIXME: Put in some more known values into the third argument. -SV_TRY_FAULT([HP-UX HPPA], sv_cv_fault_hpux_hppa, [hppa*-*-hpux11*], - [ -#define USE_64BIT_REGS(mc) \ - (((mc).ss_flags & SS_WIDEREGS) && ((mc).ss_flags & SS_NARROWISINVALID)) -#define GET_CR21(mc) \ - (USE_64BIT_REGS(mc) ? (mc).ss_wide.ss_64.ss_cr21 : (mc).ss_narrow.ss_cr21) -], - [int sig, int code, struct sigcontext *scp], - [GET_CR21 (scp->sc_sl.sl_ss)]) - -dnl FIXME: Put in some more known values into the third argument. -SV_TRY_FAULT([OSF/1 Alpha], sv_cv_fault_osf_alpha, - [alpha*-*-osf[4-9]* | alpha*-*-linux2.[4-9]*], - [], - [int sig, int code, struct sigcontext *scp], - [scp->sc_traparg_a0]) - -dnl FIXME: Put in some more known values into the third argument. -SV_TRY_FAULT([NetBSD Alpha], sv_cv_fault_netbsd_alpha, - [alpha*-*-osf[4-9]* | alpha-*-*bsd*], - [#include "$srcdir/src/fault-netbsd-alpha.c"], - [int sig, int code, struct sigcontext *scp], - [get_fault_addr (scp)]) - -dnl FIXME: Put in some more known values into the third argument. -SV_TRY_FAULT([AIX], sv_cv_fault_aix, [*-*-aix[34]*], - [], - [int sig, int code, struct sigcontext *scp], - [scp->sc_jmpbuf.jmp_context.o_vaddr]) - -SV_TRY_FAULT([MacOSX/Darwin7 PowerPC], sv_cv_fault_macosdarwin7_ppc, - [powerpc-*-darwin7*], - [#include "$srcdir/src/fault-macosdarwin7-powerpc.c"], - [int sig, siginfo_t *sip, ucontext_t *ucp], - [get_fault_addr (sip, ucp)], - [action.sa_sigaction = &sigsegv_handler; - action.sa_flags = SA_SIGINFO;]) - -if test "$sv_cv_fault_macosdarwin7_ppc" != yes; then -SV_TRY_FAULT([MacOSX/Darwin5 PowerPC], sv_cv_fault_macosdarwin5_ppc, - [powerpc-*-darwin5*], - [#include "$srcdir/src/fault-macosdarwin5-powerpc.c"], - [int sig, int code, struct sigcontext *scp], - [get_fault_addr (scp)]) -fi - -dnl FIXME: Put in some more known values into the third argument. -SV_TRY_FAULT([Hurd], sv_cv_fault_hurd, [], - [], - [int sig, int code, struct sigcontext *scp], - [code]) - -# End of MacOS X special casing. - ;; -esac - -dnl Now determine the fault handler include file. -dnl We prefer the platform specific include files to the generic fault-posix.h -dnl because the former often defines SIGSEGV_FAULT_STACKPOINTER. -dnl Also we put the BSD test second-to-last, because the test may produce -dnl false positives. -CFG_HANDLER= -CFG_FAULT= -CFG_MACHFAULT= -FAULT_CONTEXT=void -FAULT_CONTEXT_INCLUDE= -dnl -dnl First the cases where the OS provides the fault address. -dnl -if test -z "$CFG_FAULT" && test "$sv_cv_fault_aix" = yes; then - case "$host_cpu" in - powerpc* | rs6000) CFG_FAULT=fault-aix3-powerpc.h ;; - *) CFG_FAULT=fault-aix3.h ;; - esac - FAULT_CONTEXT='struct sigcontext' -fi -if test -z "$CFG_FAULT" && test "$sv_cv_fault_irix" = yes; then - case "$host_cpu" in - mips*) CFG_FAULT=fault-irix-mips.h ;; - *) CFG_FAULT=fault-irix.h ;; - esac - FAULT_CONTEXT='struct sigcontext' -fi -if test -z "$CFG_FAULT" && test "$sv_cv_fault_hpux_hppa" = yes; then - case "$host_cpu" in - hppa* | parisc*) CFG_FAULT=fault-hpux-hppa.h ;; - *) CFG_FAULT=fault-hpux.h ;; - esac - FAULT_CONTEXT='struct sigcontext' -fi -if test -z "$CFG_FAULT" && test "$sv_cv_fault_osf_alpha" = yes; then - case "$host_cpu" in - alpha*) CFG_FAULT=fault-osf-alpha.h ;; - *) CFG_FAULT=fault-osf.h ;; - esac - FAULT_CONTEXT='struct sigcontext' -fi -if test -z "$CFG_FAULT" && test "$sv_cv_fault_netbsd_alpha" = yes; then - case "$host_cpu" in - alpha*) CFG_FAULT=fault-netbsd-alpha.h ;; - esac - FAULT_CONTEXT='struct sigcontext' -fi -if test -z "$CFG_FAULT" && test "$sv_cv_fault_linux_i386" = yes; then - case "$host_cpu" in - i?86 | x86_64) CFG_FAULT=fault-linux-i386.h ;; - esac - FAULT_CONTEXT='struct sigcontext' -fi -if test -z "$CFG_FAULT" && test "$sv_cv_fault_linux_i386_old" = yes; then - case "$host_cpu" in - i?86 | x86_64) CFG_FAULT=fault-linux-i386-old.h ;; - esac - FAULT_CONTEXT='struct sigcontext' -fi -if test -z "$CFG_FAULT" && test "$sv_cv_fault_linux_powerpc" = yes; then - case "$host_cpu" in - powerpc* | rs6000) CFG_FAULT=fault-linux-powerpc.h ;; - esac - FAULT_CONTEXT='struct sigcontext' -fi -if test -z "$CFG_FAULT" && test "$sv_cv_fault_linux_hppa" = yes; then - case "$host_cpu" in - hppa* | parisc*) CFG_FAULT=fault-linux-hppa.h ;; - esac -fi -if test -z "$CFG_FAULT" && test "$sv_cv_fault_hurd" = yes; then - case "$host_os" in - netbsd*) # A false positive. - ;; - *) - CFG_FAULT=fault-hurd.h - FAULT_CONTEXT='struct sigcontext' - ;; - esac -fi -if test -z "$CFG_FAULT" && test "$sv_cv_fault_bsd" = yes; then - case "$host_os" in - freebsd* | dragonfly* | kfreebsd*) - case "$host_cpu" in - i?86 | x86_64) - CFG_FAULT=fault-freebsd-i386.h - FAULT_CONTEXT='struct sigcontext' - ;; - *) - CFG_FAULT=fault-bsd.h - FAULT_CONTEXT='void' - ;; - esac - ;; - *) - CFG_FAULT=fault-bsd.h - FAULT_CONTEXT='void' - ;; - esac -fi -if test -z "$CFG_FAULT" && test "$sv_cv_fault_posix" = yes; then - case "$host_os" in - openbsd*) - case "$host_cpu" in - i?86 | x86_64) CFG_FAULT=fault-openbsd-i386.h ;; - *) CFG_FAULT=fault-openbsd.h ;; - esac - FAULT_CONTEXT='struct sigcontext' - ;; - mirbsd*) - case "$host_cpu" in - i?86 | x86_64) - CFG_FAULT=fault-openbsd-i386.h - FAULT_CONTEXT='struct sigcontext' - ;; - esac - ;; - linux*) - case "$host_cpu" in - ia64) - CFG_FAULT=fault-linux-ia64.h - FAULT_CONTEXT='struct sigcontext' - ;; - esac - ;; - esac - if test -z "$CFG_FAULT"; then - dnl <ucontext.h> was required by POSIX:2001, and many systems have it. But - dnl POSIX:2008 does not require it any more, and MirBSD does not have it. - AC_CHECK_HEADERS([ucontext.h]) - if test $ac_cv_header_ucontext_h = yes; then - case "$host_os" in - solaris*) - case "$host_cpu" in - i?86 | x86_64) CFG_FAULT=fault-solaris-i386.h ;; - sparc*) CFG_FAULT=fault-solaris-sparc.h ;; - *) CFG_FAULT=fault-solaris.h ;; - esac - ;; - aix*) - case "$host_cpu" in - powerpc* | rs6000) CFG_FAULT=fault-aix5-powerpc.h ;; - *) CFG_FAULT=fault-aix5.h ;; - esac - ;; - netbsd*) - CFG_FAULT=fault-netbsd.h - ;; - *) - CFG_FAULT=fault-posix-ucontext.h - ;; - esac - FAULT_CONTEXT='ucontext_t' - FAULT_CONTEXT_INCLUDE='#include <ucontext.h>' - else - CFG_FAULT=fault-posix.h - FAULT_CONTEXT='void' - fi - fi -fi -if test -z "$CFG_FAULT"; then - case "$host_os" in - macos* | darwin[[6-9]]* | darwin[[1-9]][[0-9]]*) - case "$host_cpu" in - powerpc* | rs6000 | i?86 | x86_64) - CFG_MACHFAULT=machfault-macos.h - FAULT_CONTEXT_INCLUDE='#include <signal.h> -#include <mach/thread_status.h> -#if defined __ppc64__ -#define sigsegv_thread_state_t ppc_thread_state64_t -#elif defined __ppc__ -#define sigsegv_thread_state_t ppc_thread_state_t -#endif -#if defined __x86_64__ -#define sigsegv_thread_state_t x86_thread_state64_t -#elif defined __i386__ -#if defined x86_THREAD_STATE32 -#define sigsegv_thread_state_t x86_thread_state32_t -#else -#define sigsegv_thread_state_t i386_thread_state_t -#endif -#endif' - FAULT_CONTEXT='sigsegv_thread_state_t' - ;; - esac - if test -n "$CFG_MACHFAULT"; then - CFG_HANDLER=handler-macos.c - CFG_FAULT=fault-macos.h # nonexistent, just a dummy - fi - ;; - esac -fi -dnl -dnl Next, the cases where there is a hairy CPU dependent way to get the -dnl fault address. -dnl -if test -z "$CFG_FAULT" && test "$sv_cv_fault_linux_m68k" = yes; then - case "$host_cpu" in - m68*) - CFG_FAULT=fault-linux-m68k.h - FAULT_CONTEXT='struct sigcontext' - ;; - esac -fi -if test -z "$CFG_FAULT" && test "$sv_cv_fault_macosdarwin7_ppc" = yes; then - case "$host_cpu" in - powerpc* | rs6000) - CFG_FAULT=fault-macosdarwin7-powerpc.h - FAULT_CONTEXT='ucontext_t' - FAULT_CONTEXT_INCLUDE='#include <signal.h> -#include <ucontext.h>' - ;; - esac -fi -if test -z "$CFG_FAULT" && test "$sv_cv_fault_macosdarwin5_ppc" = yes; then - case "$host_cpu" in - powerpc* | rs6000) - CFG_FAULT=fault-macosdarwin5-powerpc.h - FAULT_CONTEXT='struct sigcontext' - ;; - esac -fi -if test -z "$CFG_FAULT"; then - case "$host_os" in - mingw* | cygwin*) - FAULT_CONTEXT='CONTEXT' - FAULT_CONTEXT_INCLUDE='#include <windows.h>' - CFG_FAULT=fault-win32.h # nonexistent, just a dummy - ;; - esac -fi -if test -n "$CFG_FAULT"; then - sv_cv_have_sigsegv_recovery=yes -else - sv_cv_have_sigsegv_recovery=no - dnl - dnl No way to get the fault address. But other information is available. - dnl - case "$host_os" in - linux*) - case "$host_cpu" in - alpha*) - CFG_FAULT=fault-linux-alpha.h - FAULT_CONTEXT='struct sigcontext' - ;; - arm* | strongarm* | xscale*) - CFG_FAULT=fault-linux-arm.h - FAULT_CONTEXT='struct sigcontext' - ;; - cris) - CFG_FAULT=fault-linux-cris.h - FAULT_CONTEXT='struct sigcontext' - ;; - mips*) - CFG_FAULT=fault-linux-mips.h - FAULT_CONTEXT='struct sigcontext' - ;; - s390*) - CFG_FAULT=fault-linux-s390.h - FAULT_CONTEXT='struct sigcontext' - ;; - sh*) - CFG_FAULT=fault-linux-sh.h - FAULT_CONTEXT='struct sigcontext' - ;; - sparc*) - CFG_FAULT=fault-linux-sparc.h - FAULT_CONTEXT='struct sigcontext' - ;; - x86_64) - CFG_FAULT=fault-linux-x86_64.h - FAULT_CONTEXT='struct sigcontext' - ;; - esac - ;; - beos*) - case "$host_cpu" in - i?86 | x86_64) CFG_FAULT=fault-beos-i386.h ;; - *) CFG_FAULT=fault-beos.h ;; - esac - FAULT_CONTEXT='struct vregs' - ;; - macos* | darwin*) - case "$host_cpu" in - i?86 | x86_64) CFG_FAULT=fault-macos-i386.h ;; - esac - FAULT_CONTEXT='struct sigcontext' - ;; - esac -fi -AC_MSG_CHECKING([for the fault handler specifics]) -if test -n "$CFG_FAULT"; then - sv_cv_fault_include=$CFG_FAULT -else - if test -n "$CFG_MACHFAULT"; then - sv_cv_fault_include=$CFG_MACHFAULT - else - sv_cv_fault_include=none - fi -fi -AC_MSG_RESULT([$sv_cv_fault_include]) -if test -z "$CFG_FAULT"; then - CFG_FAULT=fault-none.h -fi -AC_DEFINE_UNQUOTED([CFG_FAULT], ["$CFG_FAULT"], - [The name of the include file describing the fault handler.]) -if test -z "$CFG_MACHFAULT"; then - CFG_MACHFAULT=fault-none.h -fi -AC_DEFINE_UNQUOTED([CFG_MACHFAULT], ["$CFG_MACHFAULT"], - [The name of the include file describing the Mach fault handler.]) -AC_SUBST([FAULT_CONTEXT]) -AC_SUBST([FAULT_CONTEXT_INCLUDE]) -dnl AM_SUBST_NOTMAKE, because FAULT_CONTEXT_INCLUDE may have a multiline value. -AM_SUBST_NOTMAKE([FAULT_CONTEXT_INCLUDE]) - -AC_MSG_CHECKING([if the system supports catching SIGSEGV]) -AC_MSG_RESULT([$sv_cv_have_sigsegv_recovery]) -if test $sv_cv_have_sigsegv_recovery != no; then - HAVE_SIGSEGV_RECOVERY=1 -else - HAVE_SIGSEGV_RECOVERY=0 -fi -AC_SUBST([HAVE_SIGSEGV_RECOVERY]) - -dnl The stackoverflow_context_t type depends on the CFG_FAULT include file. - -dnl Stack direction. -AC_CACHE_CHECK([for stack direction], sv_cv_stack_direction_msg, [ - case "$host_cpu" in - dnl See the #define STACK_GROWS_DOWNWARD in gcc-3.1/gcc/config/*/*.h. - a29k | \ - alpha* | \ - arc | \ - arm* | strongarm* | xscale* | \ - avr | \ - c1 | c2 | c32 | c34 | c38 | \ - clipper | \ - cris | \ - d30v | \ - elxsi | \ - fr30 | \ - h8300 | \ - i?86 | x86_64 | \ - i860 | \ - ia64 | \ - m32r | \ - m68* | \ - m88k | \ - mcore | \ - mips* | \ - mmix | \ - mn10200 | \ - mn10300 | \ - ns32k | \ - pdp11 | \ - pj* | \ - powerpc* | rs6000 | \ - romp | \ - s390* | \ - sh* | \ - sparc* | \ - v850 | \ - vax | \ - xtensa) - sv_cv_stack_direction=-1 ;; - c4x | \ - dsp16xx | \ - i960 | \ - hppa* | parisc* | \ - stormy16 | \ - we32k) - sv_cv_stack_direction=1 ;; - *) - if test $cross_compiling = no; then - cat > conftest.c <<EOF -#include <stdio.h> -int -get_stack_direction () -{ - auto char dummy; - static char *dummyaddr = (char *)0; - if (dummyaddr != (char *)0) - return &dummy > dummyaddr ? 1 : &dummy < dummyaddr ? -1 : 0; - else - { - dummyaddr = &dummy; - { - int result = get_stack_direction (); - /* The next assignment avoids tail recursion elimination - (IRIX 6.4 CC). */ - dummyaddr = (char *)0; - return result; - } - } -} -int -main () -{ - printf ("%d\n", get_stack_direction ()); - return 0; -} -EOF - AC_TRY_EVAL([ac_link]) - sv_cv_stack_direction=`./conftest` - else - sv_cv_stack_direction=0 - fi - ;; - esac - case $sv_cv_stack_direction in - 1) sv_cv_stack_direction_msg="grows up";; - -1) sv_cv_stack_direction_msg="grows down";; - *) sv_cv_stack_direction_msg="unknown";; - esac -]) -AC_DEFINE_UNQUOTED([STACK_DIRECTION], [$sv_cv_stack_direction], - [Define as the direction of stack growth for your system. - STACK_DIRECTION > 0 => grows toward higher addresses - STACK_DIRECTION < 0 => grows toward lower addresses - STACK_DIRECTION = 0 => spaghetti stack.]) - -dnl Determination of the stack's virtual memory area. -AC_CACHE_CHECK([for PIOCMAP in sys/procfs.h], [sv_cv_procfsvma], [ - AC_TRY_LINK([#include <sys/procfs.h>], - [int x = PIOCNMAP + PIOCMAP; prmap_t y;], - [sv_cv_procfsvma=yes], [sv_cv_procfsvma=no]) -]) -AC_CHECK_FUNCS([mincore]) -CFG_STACKVMA= -if test $sv_cv_procfsvma = yes; then - CFG_STACKVMA=stackvma-procfs.c -else - case "$host_os" in - linux*) CFG_STACKVMA=stackvma-linux.c ;; - freebsd* | dragonfly*) CFG_STACKVMA=stackvma-freebsd.c ;; - beos*) CFG_STACKVMA=stackvma-beos.c ;; - macos* | darwin*) CFG_STACKVMA=stackvma-mach.c ;; - esac -fi -if test -z "$CFG_STACKVMA" && test $ac_cv_func_mincore = yes; then - CFG_STACKVMA=stackvma-mincore.c -fi -if test -n "$CFG_STACKVMA"; then - AC_DEFINE([HAVE_STACKVMA], [1], - [Define if CFG_STACKVMA is set to a nontrivial source file.]) -else - CFG_STACKVMA=stackvma-none.c -fi -AC_DEFINE_UNQUOTED([CFG_STACKVMA], ["$CFG_STACKVMA"], - [The name of the file determining the stack virtual memory area.]) -AC_SUBST([CFG_STACKVMA]) - -AC_CHECK_FUNCS([getrlimit setrlimit]) - -dnl Catching stack overflow requires an alternate signal stack. -dnl The old "install a guard page" trick would be unreliable, because -dnl we don't know where exactly to place the guard page. -SV_SIGALTSTACK - -AC_CACHE_CHECK([if the system supports catching stack overflow], - [sv_cv_have_stack_overflow_recovery], -[ - dnl On Mach, it requires a machfault-*.h (see src/handler-macos.c). - dnl On Unix, it requires either sigaltstack() or the BeOS set_signal_stack() - dnl function, and on Unix it requires a fault-*.h or a stackvma-*.c with - dnl certain properties (see src/handler-unix.c). - if test "$CFG_MACHFAULT" != fault-none.h; then - sv_cv_have_stack_overflow_recovery=yes - else - if test "$sv_cv_sigaltstack" != no; then - sv_cv_have_stack_overflow_recovery=maybe - else - case "$host_os" in - beos*) sv_cv_have_stack_overflow_recovery=maybe ;; - mingw* | cygwin*) sv_cv_have_stack_overflow_recovery=yes ;; - *) sv_cv_have_stack_overflow_recovery=no ;; - esac - fi - fi - if test $sv_cv_have_stack_overflow_recovery = maybe; then - if test -n "$CFG_FAULT"; then - AC_EGREP_CPP([xyzzy], [ -#include "$srcdir/src/$CFG_FAULT" -#ifdef SIGSEGV_FAULT_HANDLER_ARGLIST -#ifdef SIGSEGV_FAULT_ADDRESS -xyzzy -#endif -#endif -], [condA=true], [condA=false]) - else - condA=false - fi - if test -n "$CFG_FAULT"; then - AC_EGREP_CPP([xyzzy], [ -#include "$srcdir/src/$CFG_FAULT" -#ifdef SIGSEGV_FAULT_HANDLER_ARGLIST -#ifdef SIGSEGV_FAULT_STACKPOINTER -xyzzy -#endif -#endif -], [condB=true], [condB=false]) - else - condB=false - fi - if test "$CFG_STACKVMA" != "stackvma-none.c"; then - condC=true - else - condC=false - fi - if { $condA && $condB; } || { $condA && $condC; } || { $condB && $condC; }; then - sv_cv_have_stack_overflow_recovery=yes - else - sv_cv_have_stack_overflow_recovery=no - fi - fi -]) -if test $sv_cv_have_stack_overflow_recovery != no; then - HAVE_STACK_OVERFLOW_RECOVERY=1 -else - HAVE_STACK_OVERFLOW_RECOVERY=0 -fi -AC_SUBST([HAVE_STACK_OVERFLOW_RECOVERY]) - -# How to longjmp out of a signal handler, in such a way that the -# alternate signal stack remains functional. - -# On MacOS X 10.2 or newer, we don't need these tests, because we'll end up -# using handler-macos.c anyway. If we were to perform the tests, 2 Crash Report -# dialog windows would pop up. -case "$host_os" in - macos* | darwin[[6-9]]* | darwin[[1-9]][[0-9]]*) ;; - *) - -dnl FIXME: Put in some more known values into the third argument. -SV_TRY_LEAVE_HANDLER_LONGJMP([], sv_cv_leave_handler_longjmp, - [*-*-osf[4-9]* | *-*-hpux11* | *-*-linux2.[2-9]*], - [], []) - -dnl FIXME: Put in some more known values into the third argument. -SV_TRY_LEAVE_HANDLER_LONGJMP([ and sigaltstack], - sv_cv_leave_handler_longjmp_sigaltstack, - [*-*-freebsd*], - [ -#ifndef SS_ONSTACK -#define SS_ONSTACK SA_ONSTACK -#endif - ], - [stack_t ss; - if (sigaltstack (NULL, &ss) >= 0) - { - ss.ss_flags &= ~SS_ONSTACK; - sigaltstack (&ss, NULL); - } - ]) - -dnl FIXME: Put in some more known values into the third argument. -SV_TRY_LEAVE_HANDLER_LONGJMP([ and setcontext], - sv_cv_leave_handler_longjmp_setcontext, - [*-*-irix* | *-*-solaris*], - [#include <ucontext.h> -#ifndef SS_ONSTACK -#define SS_ONSTACK SA_ONSTACK -#endif - ], - [static int fl; - static ucontext_t uc; - fl = 0; - if (getcontext (&uc) >= 0) - if (fl == 0) - if (uc.uc_stack.ss_flags & SS_ONSTACK) - { - uc.uc_stack.ss_flags &= ~SS_ONSTACK; - fl = 1; - setcontext (&uc); - } - ]) - -# End of MacOS X special casing. - ;; -esac - -# How to siglongjmp out of a signal handler, in such a way that the -# alternate signal stack remains functional. - -# On MacOS X 10.2 or newer, we don't need these tests, because we'll end up -# using handler-macos.c anyway. If we were to perform the tests, 2 Crash Report -# dialog windows would pop up. -case "$host_os" in - macos* | darwin[[6-9]]* | darwin[[1-9]][[0-9]]*) ;; - *) - -dnl FIXME: Put in some more known values into the third argument. -SV_TRY_LEAVE_HANDLER_SIGLONGJMP([], sv_cv_leave_handler_siglongjmp, - [*-*-osf[4-9]* | *-*-hpux11* | *-*-linux2.[2-9]* | *-*-irix* | *-*-solaris*], - [], []) - -dnl FIXME: Put in some more known values into the third argument. -SV_TRY_LEAVE_HANDLER_SIGLONGJMP([ and sigaltstack], - sv_cv_leave_handler_siglongjmp_sigaltstack, - [*-*-freebsd*], - [ -#ifndef SS_ONSTACK -#define SS_ONSTACK SA_ONSTACK -#endif - ], - [stack_t ss; - if (sigaltstack (NULL, &ss) >= 0) - { - ss.ss_flags &= ~SS_ONSTACK; - sigaltstack (&ss, NULL); - } - ]) - -dnl FIXME: Put in some more known values into the third argument. -SV_TRY_LEAVE_HANDLER_SIGLONGJMP([ and setcontext], - sv_cv_leave_handler_siglongjmp_setcontext, - [], - [#include <ucontext.h> -#ifndef SS_ONSTACK -#define SS_ONSTACK SA_ONSTACK -#endif - ], - [static int fl; - static ucontext_t uc; - fl = 0; - if (getcontext(&uc) >= 0) - if (fl == 0) - if (uc.uc_stack.ss_flags & SS_ONSTACK) - { - uc.uc_stack.ss_flags &= ~SS_ONSTACK; - fl = 1; - setcontext(&uc); - } - ]) - -# End of MacOS X special casing. - ;; -esac - -CFG_LEAVE= -if test "$sv_cv_leave_handler_longjmp" != no; then - CFG_LEAVE=leave-nop.c -else - if test "$sv_cv_leave_handler_longjmp_sigaltstack" != no; then - CFG_LEAVE=leave-sigaltstack.c - else - if test "$sv_cv_leave_handler_longjmp_setcontext" != no; then - CFG_LEAVE=leave-setcontext.c - fi - fi -fi -case "$host_os" in - # On BeOS, the 6 tests fail because sigaltstack() doesn't exist. - # If one uses set_signal_stack() instead of sigaltstack(), the first - # test actually works. i.e. sv_cv_leave_handler_longjmp would be 'yes'. - beos*) CFG_LEAVE=leave-nop.c ;; -esac -if test -z "$CFG_LEAVE"; then - CFG_LEAVE=leave-none.c -fi -AC_DEFINE_UNQUOTED([CFG_LEAVE], ["$CFG_LEAVE"], - [The name of the file implementing sigsegv_reset_onstack_flag.]) -AC_SUBST([CFG_LEAVE]) - -case "$host_os" in - mingw* | cygwin*) CFG_HANDLER=handler-win32.c ;; - *) - if test -z "$CFG_HANDLER"; then - if test $sv_cv_have_sigsegv_recovery = no \ - && test $sv_cv_have_stack_overflow_recovery = no; then - CFG_HANDLER=handler-none.c - else - CFG_HANDLER=handler-unix.c - fi - fi - ;; -esac -AC_DEFINE_UNQUOTED([CFG_HANDLER], ["$CFG_HANDLER"], - [The name of the file implementing the handler functionality.]) -AC_SUBST([CFG_HANDLER]) - -{ echo; echo "${term_bold}Build Parameters:${term_norm}"; } >& AS_MESSAGE_FD - -dnl Relocatability is a nop for this package. -AC_RELOCATABLE_NOP - -{ echo; echo "${term_bold}Output Substitution:${term_norm}"; } >& AS_MESSAGE_FD - -dnl AC_OUTPUT([Makefile]) -AC_OUTPUT([Makefile - src/Makefile src/sigsegv.h - tests/Makefile]) - -{ echo; echo "Now please type '${term_bold}make${term_norm}' to compile. Good luck."; echo; } >& AS_MESSAGE_FD diff --git a/libsigsegv/m4/bold.m4 b/libsigsegv/m4/bold.m4 deleted file mode 100644 index 5f5420ec..00000000 --- a/libsigsegv/m4/bold.m4 +++ /dev/null @@ -1,59 +0,0 @@ -# bold.m4 serial 1 (libsigsegv-2.0) -dnl Copyright (C) 1999-2002 Ralf S. Engelschall <rse@engelschall.com> -dnl Copyright (C) 2002 Bruno Haible <bruno@clisp.org> -dnl This file is free software, distributed under the terms of the GNU -dnl General Public License. As a special exception to the GNU General -dnl Public License, this file may be distributed as part of a program -dnl that contains a configuration script generated by Autoconf, under -dnl the same distribution terms as the rest of that program. - -# Determine the escape sequences for switching bold output on and off. -AC_DEFUN([RSE_BOLD], -[ - dnl Not pretty. - dnl AC_REQUIRE([AC_PROG_AWK]) - - case $TERM in - # for the most important terminal types we directly know the sequences - xterm*|vt220*) - term_bold=`${AWK:-awk} 'BEGIN { printf("%c%c%c%c", 27, 91, 49, 109); }' </dev/null 2>/dev/null` - term_norm=`${AWK:-awk} 'BEGIN { printf("%c%c%c", 27, 91, 109); }' </dev/null 2>/dev/null` - ;; - vt100*) - term_bold=`${AWK:-awk} 'BEGIN { printf("%c%c%c%c%c%c", 27, 91, 49, 109, 0, 0); }' </dev/null 2>/dev/null` - term_norm=`${AWK:-awk} 'BEGIN { printf("%c%c%c%c%c", 27, 91, 109, 0, 0); }' </dev/null 2>/dev/null` - ;; - # for all others, we try to use a possibly existing `tput' or `tcout' utility - *) - paths=`echo "$PATH" | sed -e 's/:/ /g'` - for tool in tput tcout; do - for dir in $paths; do - if test -r "$dir/$tool"; then - for seq in bold md smso; do # 'smso' is last - bold="`$dir/$tool $seq 2>/dev/null`" - if test -n "$bold"; then - term_bold="$bold" - break - fi - done - if test -n "$term_bold"; then - for seq in sgr0 me rmso reset; do # 'reset' is last - norm="`$dir/$tool $seq 2>/dev/null`" - if test -n "$norm"; then - term_norm="$norm" - break - fi - done - fi - break - fi - done - if test -n "$term_bold" && test -n "$term_norm"; then - break - fi - done - ;; - esac - echo "$term_bold" | tr -d '\n' > termbold - echo "$term_norm" | tr -d '\n' > termnorm -]) diff --git a/libsigsegv/m4/fault.m4 b/libsigsegv/m4/fault.m4 deleted file mode 100644 index 2dd89f83..00000000 --- a/libsigsegv/m4/fault.m4 +++ /dev/null @@ -1,125 +0,0 @@ -# fault.m4 serial 5 (libsigsegv-2.2) -dnl Copyright (C) 2002-2003 Bruno Haible <bruno@clisp.org> -dnl This file is free software, distributed under the terms of the GNU -dnl General Public License. As a special exception to the GNU General -dnl Public License, this file may be distributed as part of a program -dnl that contains a configuration script generated by Autoconf, under -dnl the same distribution terms as the rest of that program. - -dnl How to write a SIGSEGV handler with access to the fault address. -dnl SV_TRY_FAULT(KIND, CACHESYMBOL, KNOWN-SYSTEMS, -dnl INCLUDES, FAULT_HANDLER_ARGLIST, FAULT_ADDRESS, [INSTALLCODE]) -AC_DEFUN([SV_TRY_FAULT], [ - AC_REQUIRE([AC_PROG_CC]) - AC_REQUIRE([AC_CANONICAL_HOST]) - - AC_CACHE_CHECK([whether a fault handler according to $1 works], [$2], [ - AC_RUN_IFELSE([ - AC_LANG_SOURCE([[ -#include <stdlib.h> -#include <signal.h> -#if HAVE_SYS_SIGNAL_H -# include <sys/signal.h> -#endif -$4 -#include <sys/types.h> -#include <sys/mman.h> -#if HAVE_MMAP_DEVZERO -# include <fcntl.h> -# ifndef MAP_FILE -# define MAP_FILE 0 -# endif -#endif -#ifndef PROT_NONE -# define PROT_NONE 0 -#endif -#if HAVE_MMAP_ANON -# define zero_fd -1 -# define map_flags MAP_ANON | MAP_PRIVATE -#elif HAVE_MMAP_ANONYMOUS -# define zero_fd -1 -# define map_flags MAP_ANONYMOUS | MAP_PRIVATE -#elif HAVE_MMAP_DEVZERO -static int zero_fd; -# define map_flags MAP_FILE | MAP_PRIVATE -#endif -unsigned long page; -int handler_called = 0; -void sigsegv_handler ($5) -{ - void *fault_address = (void *) ($6); - handler_called++; - if (handler_called == 10) - exit (4); - if (fault_address != (void*)(page + 0x678)) - exit (3); - if (mprotect ((void *) page, 0x10000, PROT_READ | PROT_WRITE) < 0) - exit (2); -} -void crasher (unsigned long p) -{ - *(int *) (p + 0x678) = 42; -} -int main () -{ - void *p; - struct sigaction action; - /* Preparations. */ -#if !HAVE_MMAP_ANON && !HAVE_MMAP_ANONYMOUS && HAVE_MMAP_DEVZERO - zero_fd = open ("/dev/zero", O_RDONLY, 0644); -#endif - /* Setup some mmaped memory. */ -#ifdef __hpux - /* HP-UX 10 mmap() often fails when given a hint. So give the OS complete - freedom about the address range. */ - p = mmap ((void *) 0, 0x10000, PROT_READ | PROT_WRITE, map_flags, zero_fd, 0); -#else - p = mmap ((void *) 0x12340000, 0x10000, PROT_READ | PROT_WRITE, map_flags, zero_fd, 0); -#endif - if (p == (void *)(-1)) - exit (2); - page = (unsigned long) p; - /* Make it read-only. */ - if (mprotect ((void *) page, 0x10000, PROT_READ) < 0) - exit (2); - /* Install the SIGSEGV handler. */ - sigemptyset(&action.sa_mask); -]m4_if([$7], [], [ - action.sa_handler = (void (*) (int)) &sigsegv_handler; - action.sa_flags = 0; -], [$7])[ - sigaction (SIGSEGV, &action, (struct sigaction *) NULL); - sigaction (SIGBUS, &action, (struct sigaction *) NULL); - /* The first write access should invoke the handler and then complete. */ - crasher (page); - /* The second write access should not invoke the handler. */ - crasher (page); - /* Check that the handler was called only once. */ - if (handler_called != 1) - exit (1); - /* Test passed! */ - return 0; -}]])], - [$2=yes], - [$2=no], - [case "$host" in - m4_if([$3], [], [], [[$3]) $2=yes ;;]) - *) - AC_LINK_IFELSE([ - AC_LANG_PROGRAM([[ -#include <signal.h> -$4 -void sigsegv_handler ($5) -{ - void *fault_address = (void *) ($6); -} -]], - [[struct sigaction action; -$7]])], - [$2="guessing no"], - [$2=no]) - ;; - esac - ]) - ]) -]) diff --git a/libsigsegv/m4/getpagesize.m4 b/libsigsegv/m4/getpagesize.m4 deleted file mode 100644 index 551a20e8..00000000 --- a/libsigsegv/m4/getpagesize.m4 +++ /dev/null @@ -1,66 +0,0 @@ -# getpagesize.m4 serial 2 (libsigsegv-2.2) -dnl Copyright (C) 2002-2003 Bruno Haible <bruno@clisp.org> -dnl This file is free software, distributed under the terms of the GNU -dnl General Public License. As a special exception to the GNU General -dnl Public License, this file may be distributed as part of a program -dnl that contains a configuration script generated by Autoconf, under -dnl the same distribution terms as the rest of that program. - -# How to determine the memory page size. -AC_DEFUN([SV_GETPAGESIZE], -[ - AC_REQUIRE([AC_PROG_CC]) - - AC_CHECK_HEADERS(unistd.h) - - dnl 1) getpagesize(). - - AC_CACHE_CHECK([for getpagesize], sv_cv_func_getpagesize, [ - AC_LINK_IFELSE([ - AC_LANG_PROGRAM([[ -#if HAVE_UNISTD_H -#include <sys/types.h> -#include <unistd.h> -#endif -]], - [[int pgsz = getpagesize();]])], - [sv_cv_func_getpagesize=yes], - [sv_cv_func_getpagesize=no])]) - if test $sv_cv_func_getpagesize = yes; then - AC_DEFINE(HAVE_GETPAGESIZE, 1, - [Define if getpagesize() is available as a function or a macro.]) - fi - - dnl 2) sysconf(_SC_PAGESIZE). - - AC_CACHE_CHECK([for sysconf(_SC_PAGESIZE)], sv_cv_func_sysconf_pagesize, [ - AC_LINK_IFELSE([ - AC_LANG_PROGRAM([[ -#if HAVE_UNISTD_H -#include <sys/types.h> -#include <unistd.h> -#endif -]], - [[int pgsz = sysconf (_SC_PAGESIZE);]])], - [sv_cv_func_sysconf_pagesize=yes], - [sv_cv_func_sysconf_pagesize=no])]) - if test $sv_cv_func_sysconf_pagesize = yes; then - AC_DEFINE(HAVE_SYSCONF_PAGESIZE, 1, - [Define if sysconf(_SC_PAGESIZE) is available as a function or a macro.]) - fi - - dnl 3) PAGESIZE. - - AC_CACHE_CHECK([for PAGESIZE in limits.h], sv_cv_macro_pagesize, [ - AC_LINK_IFELSE([ - AC_LANG_PROGRAM([[#include <limits.h>]], - [[int pgsz = PAGESIZE;]])], - [sv_cv_macro_pagesize=yes], - [sv_cv_macro_pagesize=no])]) - if test $sv_cv_macro_pagesize = yes; then - AC_DEFINE(HAVE_PAGESIZE, 1, - [Define if PAGESIZE is available as a macro.]) - fi - - dnl 4) On BeOS, you need to include <OS.h> and use B_PAGE_SIZE. -]) diff --git a/libsigsegv/m4/libtool.m4 b/libsigsegv/m4/libtool.m4 deleted file mode 100644 index 4ceb7f12..00000000 --- a/libsigsegv/m4/libtool.m4 +++ /dev/null @@ -1,7309 +0,0 @@ -# libtool.m4 - Configure libtool for the host system. -*-Autoconf-*- -# -# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005, -# 2006, 2007, 2008 Free Software Foundation, Inc. -# Written by Gordon Matzigkeit, 1996 -# -# This file is free software; the Free Software Foundation gives -# unlimited permission to copy and/or distribute it, with or without -# modifications, as long as this notice is preserved. - -m4_define([_LT_COPYING], [dnl -# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005, -# 2006, 2007, 2008 Free Software Foundation, Inc. -# Written by Gordon Matzigkeit, 1996 -# -# This file is part of GNU Libtool. -# -# GNU Libtool is free software; you can redistribute it and/or -# modify it under the terms of the GNU General Public License as -# published by the Free Software Foundation; either version 2 of -# the License, or (at your option) any later version. -# -# As a special exception to the GNU General Public License, -# if you distribute this file as part of a program or library that -# is built using GNU Libtool, you may include this file under the -# same distribution terms that you use for the rest of that program. -# -# GNU Libtool is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with GNU Libtool; see the file COPYING. 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Vaughan, 2004 -# -# This file is free software; the Free Software Foundation gives -# unlimited permission to copy and/or distribute it, with or without -# modifications, as long as this notice is preserved. - -# serial 6 ltoptions.m4 - -# This is to help aclocal find these macros, as it can't see m4_define. -AC_DEFUN([LTOPTIONS_VERSION], [m4_if([1])]) - - -# _LT_MANGLE_OPTION(MACRO-NAME, OPTION-NAME) -# ------------------------------------------ -m4_define([_LT_MANGLE_OPTION], -[[_LT_OPTION_]m4_bpatsubst($1__$2, [[^a-zA-Z0-9_]], [_])]) - - -# _LT_SET_OPTION(MACRO-NAME, OPTION-NAME) -# --------------------------------------- -# Set option OPTION-NAME for macro MACRO-NAME, and if there is a -# matching handler defined, dispatch to it. 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[AC_DEFUN([_LT_COMPILER_BOILERPLATE])]) -m4_ifndef([_LT_LINKER_BOILERPLATE], [AC_DEFUN([_LT_LINKER_BOILERPLATE])]) -m4_ifndef([_AC_PROG_LIBTOOL], [AC_DEFUN([_AC_PROG_LIBTOOL])]) -m4_ifndef([AC_LIBTOOL_SETUP], [AC_DEFUN([AC_LIBTOOL_SETUP])]) -m4_ifndef([_LT_AC_CHECK_DLFCN], [AC_DEFUN([_LT_AC_CHECK_DLFCN])]) -m4_ifndef([AC_LIBTOOL_SYS_DYNAMIC_LINKER], [AC_DEFUN([AC_LIBTOOL_SYS_DYNAMIC_LINKER])]) -m4_ifndef([_LT_AC_TAGCONFIG], [AC_DEFUN([_LT_AC_TAGCONFIG])]) -m4_ifndef([AC_DISABLE_FAST_INSTALL], [AC_DEFUN([AC_DISABLE_FAST_INSTALL])]) -m4_ifndef([_LT_AC_LANG_CXX], [AC_DEFUN([_LT_AC_LANG_CXX])]) -m4_ifndef([_LT_AC_LANG_F77], [AC_DEFUN([_LT_AC_LANG_F77])]) -m4_ifndef([_LT_AC_LANG_GCJ], [AC_DEFUN([_LT_AC_LANG_GCJ])]) -m4_ifndef([AC_LIBTOOL_RC], [AC_DEFUN([AC_LIBTOOL_RC])]) -m4_ifndef([AC_LIBTOOL_LANG_C_CONFIG], [AC_DEFUN([AC_LIBTOOL_LANG_C_CONFIG])]) -m4_ifndef([_LT_AC_LANG_C_CONFIG], [AC_DEFUN([_LT_AC_LANG_C_CONFIG])]) -m4_ifndef([AC_LIBTOOL_LANG_CXX_CONFIG], [AC_DEFUN([AC_LIBTOOL_LANG_CXX_CONFIG])]) -m4_ifndef([_LT_AC_LANG_CXX_CONFIG], [AC_DEFUN([_LT_AC_LANG_CXX_CONFIG])]) -m4_ifndef([AC_LIBTOOL_LANG_F77_CONFIG], [AC_DEFUN([AC_LIBTOOL_LANG_F77_CONFIG])]) -m4_ifndef([_LT_AC_LANG_F77_CONFIG], [AC_DEFUN([_LT_AC_LANG_F77_CONFIG])]) -m4_ifndef([AC_LIBTOOL_LANG_GCJ_CONFIG], [AC_DEFUN([AC_LIBTOOL_LANG_GCJ_CONFIG])]) -m4_ifndef([_LT_AC_LANG_GCJ_CONFIG], [AC_DEFUN([_LT_AC_LANG_GCJ_CONFIG])]) -m4_ifndef([AC_LIBTOOL_LANG_RC_CONFIG], [AC_DEFUN([AC_LIBTOOL_LANG_RC_CONFIG])]) -m4_ifndef([_LT_AC_LANG_RC_CONFIG], [AC_DEFUN([_LT_AC_LANG_RC_CONFIG])]) -m4_ifndef([AC_LIBTOOL_CONFIG], [AC_DEFUN([AC_LIBTOOL_CONFIG])]) -m4_ifndef([_LT_AC_FILE_LTDLL_C], [AC_DEFUN([_LT_AC_FILE_LTDLL_C])]) diff --git a/libsigsegv/m4/mmap-anon.m4 b/libsigsegv/m4/mmap-anon.m4 deleted file mode 100644 index 9f43ae67..00000000 --- a/libsigsegv/m4/mmap-anon.m4 +++ /dev/null @@ -1,140 +0,0 @@ -# mmap-anon.m4 serial 3 (libsigsegv-2.6) -dnl Copyright (C) 2002-2003, 2008 Bruno Haible <bruno@clisp.org> -dnl This file is free software, distributed under the terms of the GNU -dnl General Public License. As a special exception to the GNU General -dnl Public License, this file may be distributed as part of a program -dnl that contains a configuration script generated by Autoconf, under -dnl the same distribution terms as the rest of that program. - -# How to allocate fresh memory using mmap. -AC_DEFUN([SV_MMAP_ANON], -[ - AC_REQUIRE([AC_PROG_CC]) - AC_REQUIRE([AC_CANONICAL_HOST]) - - dnl 1) MAP_ANON - - AC_CACHE_CHECK([for mmap with MAP_ANON], sv_cv_func_mmap_anon, [ - AC_RUN_IFELSE([ - AC_LANG_SOURCE([[ -#include <sys/types.h> -#include <sys/mman.h> -int main () -{ - void *p = mmap (0, 0x10000, PROT_READ | PROT_WRITE, MAP_ANON | MAP_PRIVATE, -1, 0); - return (p == (void *)(-1)); -}]])], - [sv_cv_func_mmap_anon=yes], - [sv_cv_func_mmap_anon=no], - [ - dnl FIXME: Put in some more known values here. - case "$host_os" in - freebsd* | linux* | osf* | darwin*) - sv_cv_func_mmap_anon=yes ;; - *) - AC_LINK_IFELSE([ - AC_LANG_PROGRAM([[ -#include <sys/types.h> -#include <sys/mman.h> -]], - [[mmap (0, 0x10000, PROT_READ | PROT_WRITE, MAP_ANON | MAP_PRIVATE, -1, 0);]])], - [sv_cv_func_mmap_anon="guessing yes"], - [sv_cv_func_mmap_anon=no]) - ;; - esac - ]) - ]) - if test "$sv_cv_func_mmap_anon" != no; then - AC_DEFINE(HAVE_MMAP_ANON, 1, - [Define if <sys/mman.h> defines MAP_ANON and mmaping with MAP_ANON works.]) - fi - - dnl 2) MAP_ANONYMOUS - - AC_CACHE_CHECK([for mmap with MAP_ANONYMOUS], sv_cv_func_mmap_anonymous, [ - AC_RUN_IFELSE([ - AC_LANG_SOURCE([[ -#include <sys/types.h> -#include <sys/mman.h> -int main () -{ - void *p = mmap (0, 0x10000, PROT_READ | PROT_WRITE, MAP_ANONYMOUS | MAP_PRIVATE, -1, 0); - return (p == (void *)(-1)); -}]])], - [sv_cv_func_mmap_anonymous=yes], - [sv_cv_func_mmap_anonymous=no], - [ - dnl FIXME: Put in some more known values here. - case "$host_os" in - hpux* | linux* | osf*) - sv_cv_func_mmap_anonymous=yes ;; - darwin*) - sv_cv_func_mmap_anonymous=no ;; - *) - AC_LINK_IFELSE([ - AC_LANG_PROGRAM([[ -#include <sys/types.h> -#include <sys/mman.h> -]], - [[mmap (0, 0x10000, PROT_READ | PROT_WRITE, MAP_ANONYMOUS | MAP_PRIVATE, -1, 0);]])], - [sv_cv_func_mmap_anonymous="guessing yes"], - [sv_cv_func_mmap_anonymous=no]) - ;; - esac - ]) - ]) - if test "$sv_cv_func_mmap_anonymous" != no; then - AC_DEFINE(HAVE_MMAP_ANONYMOUS, 1, - [Define if <sys/mman.h> defines MAP_ANONYMOUS and mmaping with MAP_ANONYMOUS - works.]) - fi - - dnl 3) MAP_FILE of /dev/zero - - AC_CACHE_CHECK([for mmap of /dev/zero], sv_cv_func_mmap_devzero, [ - AC_RUN_IFELSE([ - AC_LANG_SOURCE([[ -#include <sys/types.h> -#include <sys/mman.h> -#include <fcntl.h> -#ifndef MAP_FILE -#define MAP_FILE 0 -#endif -int main () -{ - int fd; - void *p; - fd = open ("/dev/zero", O_RDONLY, 0666); - if (fd < 0) return 1; - p = mmap (0, 0x10000, PROT_READ | PROT_WRITE, MAP_FILE | MAP_PRIVATE, fd, 0); - return (p == (void *)(-1)); -}]])], - [sv_cv_func_mmap_devzero=yes], - [sv_cv_func_mmap_devzero=no], - [ - dnl FIXME: Put in some more known values here. - case "$host_os" in - freebsd* | irix* | linux* | osf* | solaris* | sunos4*) - sv_cv_func_mmap_devzero=yes ;; - darwin*) - sv_cv_func_mmap_devzero=no ;; - *) - AC_LINK_IFELSE([ - AC_LANG_PROGRAM([[ -#include <sys/types.h> -#include <sys/mman.h> -#ifndef MAP_FILE -#define MAP_FILE 0 -#endif -]], [[mmap (0, 0x10000, PROT_READ | PROT_WRITE, MAP_FILE | MAP_PRIVATE, 7, 0);]])], - [sv_cv_func_mmap_devzero="guessing yes"], - [sv_cv_func_mmap_devzero=no]) - ;; - esac - ]) - ]) - if test "$sv_cv_func_mmap_devzero" != no; then - AC_DEFINE(HAVE_MMAP_DEVZERO, 1, - [Define if mmaping of the special device /dev/zero works.]) - fi -]) diff --git a/libsigsegv/m4/relocatable.m4 b/libsigsegv/m4/relocatable.m4 deleted file mode 100644 index febd0f5e..00000000 --- a/libsigsegv/m4/relocatable.m4 +++ /dev/null @@ -1,99 +0,0 @@ -# relocatable.m4 serial 1 (gettext-0.12) -dnl Copyright (C) 2003 Free Software Foundation, Inc. -dnl This file is free software, distributed under the terms of the GNU -dnl General Public License. As a special exception to the GNU General -dnl Public License, this file may be distributed as part of a program -dnl that contains a configuration script generated by Autoconf, under -dnl the same distribution terms as the rest of that program. - -dnl From Bruno Haible. - -dnl Support for relocateble programs. -AC_DEFUN([AC_RELOCATABLE], -[ - AC_REQUIRE([AC_PROG_INSTALL]) - AC_BEFORE([AC_PROG_INSTALL],[AC_RELOCATABLE]) - AC_REQUIRE([AC_LIB_LIBPATH]) - AC_REQUIRE([AC_RELOCATABLE_LIBRARY]) - use_elf_origin_trick=no - if test $RELOCATABLE = yes; then - # --enable-relocatable implies --disable-rpath - enable_rpath=no - AC_LIBOBJ([relocatable]) - AC_DEFINE([ENABLE_RELOCATABLE], 1, - [Define to 1 if the package shall run at any location in the filesystem.]) - case "$host_os" in - linux*) use_elf_origin_trick=yes ;; - esac - if test $use_elf_origin_trick = yes; then - dnl Use the dynamic linker's support for relocatable programs. - case "$ac_aux_dir" in - /*) reloc_ldflags="$ac_aux_dir/reloc-ldflags" ;; - *) reloc_ldflags="\$(top_builddir)/$ac_aux_dir/reloc-ldflags" ;; - esac - SET_RELOCATABLE="RELOCATABLE_LDFLAGS = \"$reloc_ldflags\" \"@host@\" \"\$(RELOCATABLE_LIBRARY_PATH)\"" - else - dnl Unfortunately we cannot define INSTALL_PROGRAM to a command - dnl consisting of more than one word - libtool doesn't support this. - dnl So we abuse the INSTALL_PROGRAM_ENV hook, originally meant for the - dnl 'install-strip' target. - SET_RELOCATABLE="INSTALL_PROGRAM_ENV = RELOC_LIBRARY_PATH_VAR=\"$shlibpath_var\" RELOC_LIBRARY_PATH_VALUE=\"\$(RELOCATABLE_LIBRARY_PATH)\" RELOC_PREFIX=\"\$(prefix)\" RELOC_COMPILE_COMMAND=\"\$(CC) \$(CPPFLAGS) \$(CFLAGS) \$(LDFLAGS)\" RELOC_SRCDIR=\"\$(RELOCATABLE_SRC_DIR)\" RELOC_BUILDDIR=\"\$(RELOCATABLE_BUILD_DIR)\" RELOC_CONFIG_H_DIR=\"\$(RELOCATABLE_CONFIG_H_DIR)\" RELOC_INSTALL_PROG=\"$INSTALL_PROGRAM\"" - case "$ac_aux_dir" in - /*) INSTALL_PROGRAM="$ac_aux_dir/install-reloc" ;; - *) INSTALL_PROGRAM="\$(top_builddir)/$ac_aux_dir/install-reloc" ;; - esac - fi - else - SET_RELOCATABLE= - fi - AC_SUBST([SET_RELOCATABLE]) - AM_CONDITIONAL([RELOCATABLE_VIA_LD], - [test $use_elf_origin_trick = yes]) -]) - -dnl Support for relocatable libraries. -AC_DEFUN([AC_RELOCATABLE_LIBRARY], -[ - AC_REQUIRE([AC_RELOCATABLE_NOP]) - dnl Easier to put this here once, instead of into the DEFS of each Makefile. - if test "X$prefix" = "XNONE"; then - reloc_final_prefix="$ac_default_prefix" - else - reloc_final_prefix="$prefix" - fi - AC_DEFINE_UNQUOTED([INSTALLPREFIX], ["${reloc_final_prefix}"], - [Define to the value of ${prefix}, as a string.]) -]) - -dnl Support for relocatable packages for which it is a nop. -AC_DEFUN([AC_RELOCATABLE_NOP], -[ - AC_MSG_CHECKING([whether to activate relocatable installation]) - AC_ARG_ENABLE(relocatable, - [ --enable-relocatable install a package that can be moved in the filesystem], - [if test "$enableval" != no; then - RELOCATABLE=yes - else - RELOCATABLE=no - fi - ], RELOCATABLE=no) - AC_SUBST(RELOCATABLE) - AC_MSG_RESULT([$RELOCATABLE]) -]) - -dnl Determine the platform dependent parameters needed to use relocatability: -dnl shlibpath_var. -AC_DEFUN([AC_LIB_LIBPATH], -[ - AC_REQUIRE([AC_LIB_PROG_LD]) dnl we use $LD - AC_REQUIRE([AC_CANONICAL_HOST]) dnl we use $host - AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT]) dnl we use $ac_aux_dir - AC_CACHE_CHECK([for shared library path variable], acl_cv_libpath, [ - LD="$LD" \ - ${CONFIG_SHELL-/bin/sh} "$ac_aux_dir/config.libpath" "$host" > conftest.sh - . ./conftest.sh - rm -f ./conftest.sh - acl_cv_libpath=${acl_cv_shlibpath_var:-none} - ]) - shlibpath_var="$acl_cv_shlibpath_var" -]) diff --git a/libsigsegv/m4/sigaltstack-longjmp.m4 b/libsigsegv/m4/sigaltstack-longjmp.m4 deleted file mode 100644 index 1f72a19e..00000000 --- a/libsigsegv/m4/sigaltstack-longjmp.m4 +++ /dev/null @@ -1,100 +0,0 @@ -# sigaltstack-longjmp.m4 serial 6 (libsigsegv-2.7) -dnl Copyright (C) 2002-2003, 2006, 2008 Bruno Haible <bruno@clisp.org> -dnl This file is free software, distributed under the terms of the GNU -dnl General Public License. As a special exception to the GNU General -dnl Public License, this file may be distributed as part of a program -dnl that contains a configuration script generated by Autoconf, under -dnl the same distribution terms as the rest of that program. - -dnl How to longjmp out of a signal handler, in such a way that the -dnl alternate signal stack remains functional. -dnl SV_TRY_LEAVE_HANDLER_LONGJMP(KIND, CACHESYMBOL, KNOWN-SYSTEMS, -dnl INCLUDES, RESETCODE) -AC_DEFUN([SV_TRY_LEAVE_HANDLER_LONGJMP], -[ - AC_REQUIRE([AC_PROG_CC]) - AC_REQUIRE([AC_CANONICAL_HOST]) - - AC_CACHE_CHECK([whether a signal handler can be left through longjmp$1], [$2], [ - AC_RUN_IFELSE([ - AC_LANG_SOURCE([[ -#include <stdlib.h> -#include <signal.h> -#include <setjmp.h> -$4 -#if HAVE_SETRLIMIT -# include <sys/types.h> -# include <sys/time.h> -# include <sys/resource.h> -#endif -#ifndef SIGSTKSZ -# define SIGSTKSZ 16384 -#endif -jmp_buf mainloop; -sigset_t mainsigset; -int pass = 0; -void stackoverflow_handler (int sig) -{ - pass++; - sigprocmask (SIG_SETMASK, &mainsigset, NULL); - { $5 } - longjmp (mainloop, pass); -} -volatile int * recurse_1 (volatile int n, volatile int *p) -{ - if (n >= 0) - *recurse_1 (n + 1, p) += n; - return p; -} -int recurse (volatile int n) -{ - int sum = 0; - return *recurse_1 (n, &sum); -} -int main () -{ - char mystack[2 * SIGSTKSZ]; - stack_t altstack; - struct sigaction action; - sigset_t emptyset; -#if defined HAVE_SETRLIMIT && defined RLIMIT_STACK - /* Before starting the endless recursion, try to be friendly to the user's - machine. On some Linux 2.2.x systems, there is no stack limit for user - processes at all. We don't want to kill such systems. */ - struct rlimit rl; - rl.rlim_cur = rl.rlim_max = 0x100000; /* 1 MB */ - setrlimit (RLIMIT_STACK, &rl); -#endif - /* Install the alternate stack. Use the midpoint of mystack, to guard - against a buggy interpretation of ss_sp on IRIX. */ - altstack.ss_sp = mystack + SIGSTKSZ; - altstack.ss_size = SIGSTKSZ; - altstack.ss_flags = 0; /* no SS_DISABLE */ - if (sigaltstack (&altstack, NULL) < 0) - exit (1); - /* Install the SIGSEGV handler. */ - sigemptyset (&action.sa_mask); - action.sa_handler = &stackoverflow_handler; - action.sa_flags = SA_ONSTACK; - sigaction (SIGSEGV, &action, (struct sigaction *) NULL); - sigaction (SIGBUS, &action, (struct sigaction *) NULL); - /* Save the current signal mask. */ - sigemptyset (&emptyset); - sigprocmask (SIG_BLOCK, &emptyset, &mainsigset); - /* Provoke two stack overflows in a row. */ - if (setjmp (mainloop) < 2) - { - recurse (0); - exit (2); - } - exit (0); -}]])], - [$2=yes], - [$2=no], - [case "$host" in - m4_if([$3], [], [], [[$3]) $2=yes ;;]) - *) $2="guessing no" ;; - esac - ]) - ]) -]) diff --git a/libsigsegv/m4/sigaltstack-siglongjmp.m4 b/libsigsegv/m4/sigaltstack-siglongjmp.m4 deleted file mode 100644 index f35622cb..00000000 --- a/libsigsegv/m4/sigaltstack-siglongjmp.m4 +++ /dev/null @@ -1,98 +0,0 @@ -# sigaltstack-siglongjmp.m4 serial 6 (libsigsegv-2.7) -dnl Copyright (C) 2002-2003, 2006, 2008 Bruno Haible <bruno@clisp.org> -dnl This file is free software, distributed under the terms of the GNU -dnl General Public License. As a special exception to the GNU General -dnl Public License, this file may be distributed as part of a program -dnl that contains a configuration script generated by Autoconf, under -dnl the same distribution terms as the rest of that program. - -dnl How to siglongjmp out of a signal handler, in such a way that the -dnl alternate signal stack remains functional. -dnl SV_TRY_LEAVE_HANDLER_SIGLONGJMP(KIND, CACHESYMBOL, KNOWN-SYSTEMS, -dnl INCLUDES, RESETCODE) -AC_DEFUN([SV_TRY_LEAVE_HANDLER_SIGLONGJMP], -[ - AC_REQUIRE([AC_PROG_CC]) - AC_REQUIRE([AC_CANONICAL_HOST]) - - AC_CACHE_CHECK([whether a signal handler can be left through siglongjmp$1], [$2], [ - AC_RUN_IFELSE([ - AC_LANG_SOURCE([[ -#include <stdlib.h> -#include <signal.h> -#include <setjmp.h> -$4 -#if HAVE_SETRLIMIT -# include <sys/types.h> -# include <sys/time.h> -# include <sys/resource.h> -#endif -#ifndef SIGSTKSZ -# define SIGSTKSZ 16384 -#endif -sigjmp_buf mainloop; -int pass = 0; -void stackoverflow_handler (int sig) -{ - pass++; - { $5 } - siglongjmp (mainloop, pass); -} -volatile int * recurse_1 (volatile int n, volatile int *p) -{ - if (n >= 0) - *recurse_1 (n + 1, p) += n; - return p; -} -int recurse (volatile int n) -{ - int sum = 0; - return *recurse_1 (n, &sum); -} -int main () -{ - char mystack[2 * SIGSTKSZ]; - stack_t altstack; - struct sigaction action; -#ifdef __BEOS__ - /* On BeOS, this would hang, burning CPU time. Better fail than hang. */ - exit (1); -#endif -#if defined HAVE_SETRLIMIT && defined RLIMIT_STACK - /* Before starting the endless recursion, try to be friendly to the user's - machine. On some Linux 2.2.x systems, there is no stack limit for user - processes at all. We don't want to kill such systems. */ - struct rlimit rl; - rl.rlim_cur = rl.rlim_max = 0x100000; /* 1 MB */ - setrlimit (RLIMIT_STACK, &rl); -#endif - /* Install the alternate stack. Use the midpoint of mystack, to guard - against a buggy interpretation of ss_sp on IRIX. */ - altstack.ss_sp = mystack + SIGSTKSZ; - altstack.ss_size = SIGSTKSZ; - altstack.ss_flags = 0; /* no SS_DISABLE */ - if (sigaltstack (&altstack, NULL) < 0) - exit (1); - /* Install the SIGSEGV handler. */ - sigemptyset (&action.sa_mask); - action.sa_handler = &stackoverflow_handler; - action.sa_flags = SA_ONSTACK; - sigaction (SIGSEGV, &action, (struct sigaction *) NULL); - sigaction (SIGBUS, &action, (struct sigaction *) NULL); - /* Provoke two stack overflows in a row. */ - if (sigsetjmp (mainloop, 1) < 2) - { - recurse (0); - exit (2); - } - exit (0); -}]])], - [$2=yes], - [$2=no], - [case "$host" in - m4_if([$3], [], [], [[$3]) $2=yes ;;]) - *) $2="guessing no" ;; - esac - ]) - ]) -]) diff --git a/libsigsegv/m4/sigaltstack.m4 b/libsigsegv/m4/sigaltstack.m4 deleted file mode 100644 index 4f7d5d67..00000000 --- a/libsigsegv/m4/sigaltstack.m4 +++ /dev/null @@ -1,198 +0,0 @@ -# sigaltstack.m4 serial 10 (libsigsegv-2.7) -dnl Copyright (C) 2002-2006, 2008 Bruno Haible <bruno@clisp.org> -dnl Copyright (C) 2008 Eric Blake <ebb9@byu.net> -dnl This file is free software, distributed under the terms of the GNU -dnl General Public License. As a special exception to the GNU General -dnl Public License, this file may be distributed as part of a program -dnl that contains a configuration script generated by Autoconf, under -dnl the same distribution terms as the rest of that program. - -AC_DEFUN([SV_SIGALTSTACK], -[ - AC_REQUIRE([AC_PROG_CC]) - AC_REQUIRE([AC_CANONICAL_HOST]) - - AC_CHECK_FUNCS(sigaltstack) - - if test "$ac_cv_func_sigaltstack" = yes; then - AC_CHECK_TYPE(stack_t, , - [AC_DEFINE(stack_t, [struct sigaltstack], - [Define to 'struct sigaltstack' if that's the type of the argument to sigaltstack]) - ], - [ -#include <signal.h> -#if HAVE_SYS_SIGNAL_H -# include <sys/signal.h> -#endif - ]) - fi - - AC_CACHE_CHECK([for working sigaltstack], sv_cv_sigaltstack, [ - if test "$ac_cv_func_sigaltstack" = yes; then - case "$host_os" in - macos* | darwin[[6-9]]* | darwin[[1-9]][[0-9]]*) - # On MacOS X 10.2 or newer, just assume that if it compiles, it will - # work. If we were to perform the real test, 1 Crash Report dialog - # window would pop up. - AC_LINK_IFELSE([ - AC_LANG_PROGRAM([[#include <signal.h>]], - [[int x = SA_ONSTACK; stack_t ss; sigaltstack ((stack_t*)0, &ss);]])], - [sv_cv_sigaltstack="guessing yes"], - [sv_cv_sigaltstack=no]) - ;; - *) - AC_RUN_IFELSE([ - AC_LANG_SOURCE([[ -#include <stdlib.h> -#include <signal.h> -#if HAVE_SYS_SIGNAL_H -# include <sys/signal.h> -#endif -#if HAVE_SETRLIMIT -# include <sys/types.h> -# include <sys/time.h> -# include <sys/resource.h> -#endif -#ifndef SIGSTKSZ -# define SIGSTKSZ 16384 -#endif -void stackoverflow_handler (int sig) -{ - /* If we get here, the stack overflow was caught. */ - exit (0); -} -volatile int * recurse_1 (volatile int n, volatile int *p) -{ - if (n >= 0) - *recurse_1 (n + 1, p) += n; - return p; -} -int recurse (volatile int n) -{ - int sum = 0; - return *recurse_1 (n, &sum); -} -int main () -{ - char mystack[2 * SIGSTKSZ]; - stack_t altstack; - struct sigaction action; -#if defined HAVE_SETRLIMIT && defined RLIMIT_STACK - /* Before starting the endless recursion, try to be friendly to the user's - machine. On some Linux 2.2.x systems, there is no stack limit for user - processes at all. We don't want to kill such systems. */ - struct rlimit rl; - rl.rlim_cur = rl.rlim_max = 0x100000; /* 1 MB */ - setrlimit (RLIMIT_STACK, &rl); -#endif - /* Install the alternate stack. Use the midpoint of mystack, to guard - against a buggy interpretation of ss_sp on IRIX. */ - altstack.ss_sp = mystack + SIGSTKSZ; - altstack.ss_size = SIGSTKSZ; - altstack.ss_flags = 0; /* no SS_DISABLE */ - if (sigaltstack (&altstack, NULL) < 0) - exit (1); - /* Install the SIGSEGV handler. */ - sigemptyset (&action.sa_mask); - action.sa_handler = &stackoverflow_handler; - action.sa_flags = SA_ONSTACK; - sigaction (SIGSEGV, &action, (struct sigaction *) NULL); - sigaction (SIGBUS, &action, (struct sigaction *) NULL); - /* Provoke a stack overflow. */ - recurse (0); - exit (2); -}]])], - [sv_cv_sigaltstack=yes], - [sv_cv_sigaltstack=no], - [ - dnl FIXME: Put in some more known values here. - case "$host_os" in - *) - AC_LINK_IFELSE([ - AC_LANG_PROGRAM([[#include <signal.h>]], - [[int x = SA_ONSTACK; stack_t ss; sigaltstack ((stack_t*)0, &ss);]])], - [sv_cv_sigaltstack="guessing yes"], - [sv_cv_sigaltstack=no]) - ;; - esac - ]) - ;; - esac - else - sv_cv_sigaltstack=no - fi - ]) - if test "$sv_cv_sigaltstack" != no; then - AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, - [Define if you have the sigaltstack() function and it works.]) - - dnl The ss_sp field of a stack_t is, according to POSIX, the lowest address - dnl of the memory block designated as an alternate stack. But IRIX 5.3 - dnl interprets it as the highest address! - AC_CACHE_CHECK([for correct stack_t interpretation], - [sv_cv_sigaltstack_low_base], [ - AC_RUN_IFELSE([ - AC_LANG_SOURCE([[ -#include <stdlib.h> -#include <signal.h> -#if HAVE_SYS_SIGNAL_H -# include <sys/signal.h> -#endif -#ifndef SIGSTKSZ -# define SIGSTKSZ 16384 -#endif -volatile char *stack_lower_bound; -volatile char *stack_upper_bound; -static void check_stack_location (volatile char *addr) -{ - if (addr >= stack_lower_bound && addr <= stack_upper_bound) - exit (0); - else - exit (1); -} -static void stackoverflow_handler (int sig) -{ - char dummy; - check_stack_location (&dummy); -} -int main () -{ - char mystack[2 * SIGSTKSZ]; - stack_t altstack; - struct sigaction action; - /* Install the alternate stack. */ - altstack.ss_sp = mystack + SIGSTKSZ; - altstack.ss_size = SIGSTKSZ; - stack_lower_bound = (char *) altstack.ss_sp; - stack_upper_bound = (char *) altstack.ss_sp + altstack.ss_size - 1; - altstack.ss_flags = 0; /* no SS_DISABLE */ - if (sigaltstack (&altstack, NULL) < 0) - exit (2); - /* Install the SIGSEGV handler. */ - sigemptyset (&action.sa_mask); - action.sa_handler = &stackoverflow_handler; - action.sa_flags = SA_ONSTACK; - if (sigaction (SIGSEGV, &action, (struct sigaction *) NULL) < 0) - exit(3); - /* Provoke a SIGSEGV. */ - raise (SIGSEGV); - exit (3); -}]])], - [sv_cv_sigaltstack_low_base=yes], - [sv_cv_sigaltstack_low_base=no], - [ - dnl FIXME: Put in some more known values here. - case "$host_os" in - irix5*) sv_cv_sigaltstack_low_base="no" ;; - *) sv_cv_sigaltstack_low_base="guessing yes" ;; - esac - ]) - ]) - if test "$sv_cv_sigaltstack_low_base" = no; then - AC_DEFINE([SIGALTSTACK_SS_REVERSED], [1], - [Define if sigaltstack() interprets the stack_t.ss_sp field incorrectly, - as the highest address of the alternate stack range rather than as the - lowest address.]) - fi - fi -]) diff --git a/libsigsegv/src/Makefile.am b/libsigsegv/src/Makefile.am deleted file mode 100644 index 7e57dad2..00000000 --- a/libsigsegv/src/Makefile.am +++ /dev/null @@ -1,104 +0,0 @@ -## Makefile for libsigsegv/src. -## Copyright (C) 2002-2006, 2008-2009 Bruno Haible <bruno@clisp.org> -## -## This program is free software; you can redistribute it and/or modify -## it under the terms of the GNU General Public License as published by -## the Free Software Foundation; either version 2, or (at your option) -## any later version. -## -## This program is distributed in the hope that it will be useful, -## but WITHOUT ANY WARRANTY; without even the implied warranty of -## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -## GNU General Public License for more details. -## -## You should have received a copy of the GNU General Public License -## along with this program; if not, write to the Free Software -## Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, -## USA. - -## Process this file with automake to produce Makefile.in. - -AUTOMAKE_OPTIONS = 1.5 gnits no-dependencies - -RM = rm -f - -lib_LTLIBRARIES = libsigsegv.la - -noinst_HEADERS = \ - fault.h fault-aix3.h fault-aix3-powerpc.h fault-aix5.h fault-aix5-powerpc.h \ - fault-beos.h fault-beos-i386.h \ - fault-bsd.h fault-freebsd-i386.h \ - fault-hpux.h fault-hpux-hppa.h fault-hurd.h fault-irix.h fault-irix-mips.h \ - fault-linux.h fault-linux-alpha.h fault-linux-arm.h fault-linux-cris.h \ - fault-linux-hppa.h fault-linux-i386.h fault-linux-i386-old.h \ - fault-linux-ia64.h fault-linux-m68k.h fault-linux-m68k.c fault-linux-mips.h \ - fault-linux-powerpc.h fault-linux-s390.h fault-linux-sh.h \ - fault-linux-sparc.h fault-linux-x86_64.h \ - 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-rpath $(libdir) \ - -version-info $(LIBSIGSEGV_VERSION_INFO) \ - -lc -no-undefined - -# Before making a release, change this according to the libtool documentation, -# section "Library interface versions". -LIBSIGSEGV_VERSION_INFO = 1:0:0 - -# Dependencies. -handler.$(OBJEXT) : ../config.h sigsegv.h @CFG_HANDLER@ $(noinst_HEADERS) -stackvma.$(OBJEXT) : ../config.h @CFG_STACKVMA@ stackvma.h -leave.$(OBJEXT) : ../config.h @CFG_LEAVE@ -dispatcher.$(OBJEXT) : sigsegv.h - - -# Special rules for installing sigsegv.h. - -install-data-local: - $(mkinstalldirs) $(DESTDIR)$(includedir) - $(INSTALL_DATA) sigsegv.h $(DESTDIR)$(includedir)/sigsegv.h - -installdirs-local: - $(mkinstalldirs) $(DESTDIR)$(includedir) - -uninstall-local: - $(RM) $(DESTDIR)$(includedir)/sigsegv.h - - -DISTCLEANFILES = sigsegv.h - - -# Rules for "make dist". - -sigsegv.h.msvc : sigsegv.h.in - sed -e 's/@''FAULT_CONTEXT_INCLUDE''@/#include <windows.h>/' \ - -e 's/@''FAULT_CONTEXT''@/CONTEXT/' \ - -e 's/@''HAVE_SIGSEGV_RECOVERY''@/1/' \ - 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-e 's/@''FAULT_CONTEXT''@/CONTEXT/' \ - -e 's/@''HAVE_SIGSEGV_RECOVERY''@/1/' \ - -e 's/@''HAVE_STACK_OVERFLOW_RECOVERY''@/1/' \ - < $(srcdir)/sigsegv.h.in > $@ - -# Tell versions [3.59,3.63) of GNU make to not export all variables. -# Otherwise a system limit (for SysV at least) may be exceeded. -.NOEXPORT: diff --git a/libsigsegv/src/dispatcher.c b/libsigsegv/src/dispatcher.c deleted file mode 100644 index 2619e65d..00000000 --- a/libsigsegv/src/dispatcher.c +++ /dev/null @@ -1,255 +0,0 @@ -/* Dispatch signal to right virtual memory area. - Copyright (C) 1993-1999, 2002-2003 Bruno Haible <bruno@clisp.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -#include "sigsegv.h" - -#include <stddef.h> /* needed for NULL on SunOS4 */ -#include <stdlib.h> -#ifdef _WIN32 -#include <malloc.h> -#endif - -/* - * A dispatcher contains an AVL tree of non-empty intervals, sorted according - * to their starting address. - */ -typedef -struct node_t -{ - /* AVL tree management. */ - struct node_t *left; - struct node_t *right; - unsigned int height; - /* Representation of interval. */ - unsigned long address; - unsigned long len; - /* User handler. */ - sigsegv_area_handler_t handler; - void *handler_arg; -} -node_t; - -#define empty ((node_t *) 0) -#define heightof(tree) ((tree) == empty ? 0 : (tree)->height) -#define MAXHEIGHT 41 - -static void -rebalance (node_t ***nodeplaces_ptr, unsigned int count) -{ - if (count > 0) - do - { - node_t **nodeplace = *--nodeplaces_ptr; - node_t *node = *nodeplace; - node_t *nodeleft = node->left; - node_t *noderight = node->right; - unsigned int heightleft = heightof (nodeleft); - unsigned int heightright = heightof (noderight); - if (heightright + 1 < heightleft) - { - node_t *nodeleftleft = nodeleft->left; - node_t *nodeleftright = nodeleft->right; - unsigned int heightleftright = heightof (nodeleftright); - if (heightof (nodeleftleft) >= heightleftright) - { - node->left = nodeleftright; nodeleft->right = node; - nodeleft->height = 1 + (node->height = 1 + heightleftright); - *nodeplace = nodeleft; - } - else - { - nodeleft->right = nodeleftright->left; - node->left = nodeleftright->right; - nodeleftright->left = nodeleft; - nodeleftright->right = node; - nodeleft->height = node->height = heightleftright; - nodeleftright->height = heightleft; - *nodeplace = nodeleftright; - } - } - else if (heightleft + 1 < heightright) - { - node_t *noderightright = noderight->right; - node_t *noderightleft = noderight->left; - unsigned int heightrightleft = heightof (noderightleft); - if (heightof (noderightright) >= heightrightleft) - { - node->right = noderightleft; noderight->left = node; - noderight->height = 1 + (node->height = 1 + heightrightleft); - *nodeplace = noderight; - } - else - { - noderight->left = noderightleft->right; - node->right = noderightleft->left; - noderightleft->right = noderight; - noderightleft->left = node; - noderight->height = node->height = heightrightleft; - noderightleft->height = heightright; - *nodeplace = noderightleft; - } - } - else - { - unsigned int height = - (heightleft<heightright ? heightright : heightleft) + 1; - if (height == node->height) - break; - node->height = height; - } - } - while (--count > 0); -} - -static node_t * -insert (node_t *new_node, node_t *tree) -{ - unsigned long key = new_node->address; - node_t **nodeplace = &tree; - node_t **stack[MAXHEIGHT]; - unsigned int stack_count = 0; - node_t ***stack_ptr = &stack[0]; - for (;;) - { - node_t *node = *nodeplace; - if (node == empty) - break; - *stack_ptr++ = nodeplace; stack_count++; - if (key < node->address) - nodeplace = &node->left; - else - nodeplace = &node->right; - } - new_node->left = empty; - new_node->right = empty; - new_node->height = 1; - *nodeplace = new_node; - rebalance (stack_ptr, stack_count); - return tree; -} - -static node_t * -delete (node_t *node_to_delete, node_t *tree) -{ - unsigned long key = node_to_delete->address; - node_t **nodeplace = &tree; - node_t **stack[MAXHEIGHT]; - unsigned int stack_count = 0; - node_t ***stack_ptr = &stack[0]; - for (;;) - { - node_t *node = *nodeplace; - if (node == empty) - return tree; - *stack_ptr++ = nodeplace; stack_count++; - if (key == node->address) - { - if (node != node_to_delete) - abort (); - break; - } - if (key < node->address) - nodeplace = &node->left; - else - nodeplace = &node->right; - } - { - node_t **nodeplace_to_delete = nodeplace; - if (node_to_delete->left == empty) - { - *nodeplace_to_delete = node_to_delete->right; - stack_ptr--; stack_count--; - } - else - { - node_t ***stack_ptr_to_delete = stack_ptr; - node_t **nodeplace = &node_to_delete->left; - node_t *node; - for (;;) - { - node = *nodeplace; - if (node->right == empty) - break; - *stack_ptr++ = nodeplace; stack_count++; - nodeplace = &node->right; - } - *nodeplace = node->left; - node->left = node_to_delete->left; - node->right = node_to_delete->right; - node->height = node_to_delete->height; - *nodeplace_to_delete = node; - *stack_ptr_to_delete = &node->left; - } - } - rebalance (stack_ptr, stack_count); - return tree; -} - -void -sigsegv_init (sigsegv_dispatcher *dispatcher) -{ - dispatcher->tree = empty; -} - -void * -sigsegv_register (sigsegv_dispatcher *dispatcher, - void *address, unsigned long len, - sigsegv_area_handler_t handler, void *handler_arg) -{ - if (len == 0) - return NULL; - else - { - node_t *new_node = (node_t *) malloc (sizeof (node_t)); - new_node->address = (unsigned long) address; - new_node->len = len; - new_node->handler = handler; - new_node->handler_arg = handler_arg; - dispatcher->tree = insert (new_node, (node_t *) dispatcher->tree); - return new_node; - } -} - -void -sigsegv_unregister (sigsegv_dispatcher *dispatcher, void *ticket) -{ - if (ticket != NULL) - { - node_t *node_to_delete = (node_t *) ticket; - dispatcher->tree = delete (node_to_delete, (node_t *) dispatcher->tree); - free (node_to_delete); - } -} - -int -sigsegv_dispatch (sigsegv_dispatcher *dispatcher, void *fault_address) -{ - unsigned long key = (unsigned long) fault_address; - node_t *tree = (node_t *) dispatcher->tree; - for (;;) - { - if (tree == empty) - return 0; - if (key < tree->address) - tree = tree->left; - else if (key - tree->address >= tree->len) - tree = tree->right; - else - break; - } - return (*tree->handler) (fault_address, tree->handler_arg); -} diff --git a/libsigsegv/src/fault-aix3-powerpc.h b/libsigsegv/src/fault-aix3-powerpc.h deleted file mode 100644 index 057846ce..00000000 --- a/libsigsegv/src/fault-aix3-powerpc.h +++ /dev/null @@ -1,20 +0,0 @@ -/* Fault handler information. AIX3/PowerPC and AIX4/PowerPC version. - Copyright (C) 2002-2005 Bruno Haible <bruno@clisp.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -#include "fault-aix3.h" - -#define SIGSEGV_FAULT_STACKPOINTER scp->sc_jmpbuf.jmp_context.gpr[1] diff --git a/libsigsegv/src/fault-aix3.h b/libsigsegv/src/fault-aix3.h deleted file mode 100644 index 2c91bc99..00000000 --- a/libsigsegv/src/fault-aix3.h +++ /dev/null @@ -1,20 +0,0 @@ -/* Fault handler information. AIX 3 and AIX 4 version. - Copyright (C) 2002 Bruno Haible <bruno@clisp.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -#define SIGSEGV_FAULT_HANDLER_ARGLIST int sig, int code, struct sigcontext *scp -#define SIGSEGV_FAULT_ADDRESS scp->sc_jmpbuf.jmp_context.o_vaddr -#define SIGSEGV_FAULT_CONTEXT scp diff --git a/libsigsegv/src/fault-aix5-powerpc.h b/libsigsegv/src/fault-aix5-powerpc.h deleted file mode 100644 index bfc1a905..00000000 --- a/libsigsegv/src/fault-aix5-powerpc.h +++ /dev/null @@ -1,20 +0,0 @@ -/* Fault handler information. AIX5/PowerPC version. - Copyright (C) 2005 Bruno Haible <bruno@clisp.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -#include "fault-aix5.h" - -#define SIGSEGV_FAULT_STACKPOINTER ((ucontext_t *) ucp)->uc_mcontext.jmp_context.gpr[1] diff --git a/libsigsegv/src/fault-aix5.h b/libsigsegv/src/fault-aix5.h deleted file mode 100644 index a915a852..00000000 --- a/libsigsegv/src/fault-aix5.h +++ /dev/null @@ -1,18 +0,0 @@ -/* Fault handler information. AIX 5 version. - Copyright (C) 2005, 2009 Bruno Haible <bruno@clisp.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -#include "fault-posix-ucontext.h" diff --git a/libsigsegv/src/fault-beos-i386.h b/libsigsegv/src/fault-beos-i386.h deleted file mode 100644 index af030db4..00000000 --- a/libsigsegv/src/fault-beos-i386.h +++ /dev/null @@ -1,22 +0,0 @@ -/* Fault handler information. BeOS/i386 version. - Copyright (C) 2002 Bruno Haible <bruno@clisp.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -#include <OS.h> - -#include "fault-beos.h" - -#define SIGSEGV_FAULT_STACKPOINTER vrp->esp diff --git a/libsigsegv/src/fault-beos.h b/libsigsegv/src/fault-beos.h deleted file mode 100644 index 29e27daf..00000000 --- a/libsigsegv/src/fault-beos.h +++ /dev/null @@ -1,19 +0,0 @@ -/* Fault handler information. BeOS version. - Copyright (C) 2002 Bruno Haible <bruno@clisp.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -#define SIGSEGV_FAULT_HANDLER_ARGLIST int sig, void *userdata, struct vregs *vrp -#define SIGSEGV_FAULT_CONTEXT vrp diff --git a/libsigsegv/src/fault-bsd.h b/libsigsegv/src/fault-bsd.h deleted file mode 100644 index 5e91845c..00000000 --- a/libsigsegv/src/fault-bsd.h +++ /dev/null @@ -1,19 +0,0 @@ -/* Fault handler information. BSD Unix version. - Copyright (C) 2002 Bruno Haible <bruno@clisp.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -#define SIGSEGV_FAULT_HANDLER_ARGLIST int sig, int code, void *scp, void *addr -#define SIGSEGV_FAULT_ADDRESS addr diff --git a/libsigsegv/src/fault-freebsd-i386.h b/libsigsegv/src/fault-freebsd-i386.h deleted file mode 100644 index ffc1b6af..00000000 --- a/libsigsegv/src/fault-freebsd-i386.h +++ /dev/null @@ -1,27 +0,0 @@ -/* Fault handler information. FreeBSD/i386 version. - Copyright (C) 2002, 2007 Bruno Haible <bruno@clisp.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -#define SIGSEGV_FAULT_HANDLER_ARGLIST int sig, int code, struct sigcontext *scp, void *addr -#define SIGSEGV_FAULT_ADDRESS addr -#define SIGSEGV_FAULT_CONTEXT scp -#if defined __x86_64__ -/* 64 bit registers */ -#define SIGSEGV_FAULT_STACKPOINTER scp->sc_rsp -#else -/* 32 bit registers */ -#define SIGSEGV_FAULT_STACKPOINTER scp->sc_esp -#endif diff --git a/libsigsegv/src/fault-hpux-hppa.h b/libsigsegv/src/fault-hpux-hppa.h deleted file mode 100644 index cbdf5a8b..00000000 --- a/libsigsegv/src/fault-hpux-hppa.h +++ /dev/null @@ -1,46 +0,0 @@ -/* Fault handler information. HP-UX HPPA version. - Copyright (C) 2002 Paolo Bonzini <bonzini@gnu.org> - Copyright (C) 2002-2003, 2009 Bruno Haible <bruno@clisp.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -#define USE_64BIT_REGS(mc) \ - (((mc).ss_flags & SS_WIDEREGS) && ((mc).ss_flags & SS_NARROWISINVALID)) - -/* Extract the cr21 register from an mcontext_t. - See the comments in /usr/include/machine/save_state.h. */ -#define GET_CR21(mc) \ - (USE_64BIT_REGS(mc) ? (mc).ss_wide.ss_64.ss_cr21 : (mc).ss_narrow.ss_cr21) - -/* Extract the stack pointer from an mcontext_t. - See the comments in /usr/include/machine/save_state.h. */ -#define GET_SP(mc) \ - (USE_64BIT_REGS(mc) ? (mc).ss_wide.ss_64.ss_sp : (mc).ss_narrow.ss_sp) - -/* Both of these alternatives work on HP-UX 10.20 and HP-UX 11.00. */ -#if 1 - -#include "fault-hpux.h" - -#define SIGSEGV_FAULT_ADDRESS GET_CR21 (scp->sc_sl.sl_ss) -#define SIGSEGV_FAULT_STACKPOINTER GET_SP (scp->sc_ctxt.sl.sl_ss) - -#else - -#include "fault-posix-ucontext.h" - -#define SIGSEGV_FAULT_STACKPOINTER GET_SP (((ucontext_t *) ucp)->uc_mcontext) - -#endif diff --git a/libsigsegv/src/fault-hpux.h b/libsigsegv/src/fault-hpux.h deleted file mode 100644 index 632e0de3..00000000 --- a/libsigsegv/src/fault-hpux.h +++ /dev/null @@ -1,19 +0,0 @@ -/* Fault handler information. HP-UX version. - Copyright (C) 2002 Paolo Bonzini <bonzini@gnu.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -#define SIGSEGV_FAULT_HANDLER_ARGLIST int sig, int code, struct sigcontext *scp -#define SIGSEGV_FAULT_CONTEXT scp diff --git a/libsigsegv/src/fault-hurd.h b/libsigsegv/src/fault-hurd.h deleted file mode 100644 index d0272218..00000000 --- a/libsigsegv/src/fault-hurd.h +++ /dev/null @@ -1,20 +0,0 @@ -/* Fault handler information. Hurd version. - Copyright (C) 2002 Bruno Haible <bruno@clisp.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -#define SIGSEGV_FAULT_HANDLER_ARGLIST int sig, int code, struct sigcontext *scp -#define SIGSEGV_FAULT_ADDRESS (unsigned long) code -#define SIGSEGV_FAULT_CONTEXT scp diff --git a/libsigsegv/src/fault-irix-mips.h b/libsigsegv/src/fault-irix-mips.h deleted file mode 100644 index 2051e6e8..00000000 --- a/libsigsegv/src/fault-irix-mips.h +++ /dev/null @@ -1,20 +0,0 @@ -/* Fault handler information. IRIX MIPS version. - Copyright (C) 2002 Bruno Haible <bruno@clisp.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -#include "fault-irix.h" - -#define SIGSEGV_FAULT_STACKPOINTER scp->sc_regs[29] diff --git a/libsigsegv/src/fault-irix.h b/libsigsegv/src/fault-irix.h deleted file mode 100644 index 239a8604..00000000 --- a/libsigsegv/src/fault-irix.h +++ /dev/null @@ -1,20 +0,0 @@ -/* Fault handler information. IRIX version. - Copyright (C) 2002 Bruno Haible <bruno@clisp.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -#define SIGSEGV_FAULT_HANDLER_ARGLIST int sig, int code, struct sigcontext *scp -#define SIGSEGV_FAULT_ADDRESS (unsigned long) scp->sc_badvaddr -#define SIGSEGV_FAULT_CONTEXT scp diff --git a/libsigsegv/src/fault-linux-alpha.h b/libsigsegv/src/fault-linux-alpha.h deleted file mode 100644 index 0b49da0c..00000000 --- a/libsigsegv/src/fault-linux-alpha.h +++ /dev/null @@ -1,22 +0,0 @@ -/* Fault handler information. Linux/Alpha version. - Copyright (C) 2002 Bruno Haible <bruno@clisp.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -#include <asm/sigcontext.h> - -#define SIGSEGV_FAULT_HANDLER_ARGLIST int sig, int code, struct sigcontext *scp -#define SIGSEGV_FAULT_CONTEXT scp -#define SIGSEGV_FAULT_STACKPOINTER scp->sc_regs[30] diff --git a/libsigsegv/src/fault-linux-arm.h b/libsigsegv/src/fault-linux-arm.h deleted file mode 100644 index 08c92c1f..00000000 --- a/libsigsegv/src/fault-linux-arm.h +++ /dev/null @@ -1,26 +0,0 @@ -/* Fault handler information. Linux/ARM version. - Copyright (C) 2002 Bruno Haible <bruno@clisp.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -/* This file supports only kernels >= 2.2.14 or >= 2.3.35. Support for older - kernels would be more complicated, see file - glibc/sysdeps/unix/sysv/linux/arm/bits/armsigctx.h. */ - -#include <asm/sigcontext.h> - -#define SIGSEGV_FAULT_HANDLER_ARGLIST int sig, int r1, int r2, int r3, struct sigcontext sc -#define SIGSEGV_FAULT_CONTEXT &sc -#define SIGSEGV_FAULT_STACKPOINTER sc.arm_sp diff --git a/libsigsegv/src/fault-linux-cris.h b/libsigsegv/src/fault-linux-cris.h deleted file mode 100644 index b12b046c..00000000 --- a/libsigsegv/src/fault-linux-cris.h +++ /dev/null @@ -1,22 +0,0 @@ -/* Fault handler information. Linux/cris version. - Copyright (C) 2002 Bruno Haible <bruno@clisp.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -#include <asm/sigcontext.h> - -#define SIGSEGV_FAULT_HANDLER_ARGLIST int sig, int r11, int r12, int r13, struct sigcontext sc -#define SIGSEGV_FAULT_CONTEXT (&sc) -#define SIGSEGV_FAULT_STACKPOINTER sc.usp diff --git a/libsigsegv/src/fault-linux-hppa.h b/libsigsegv/src/fault-linux-hppa.h deleted file mode 100644 index 4b83a0d0..00000000 --- a/libsigsegv/src/fault-linux-hppa.h +++ /dev/null @@ -1,27 +0,0 @@ -/* Fault handler information. Linux/HPPA version. - Copyright (C) 2002-2003 Bruno Haible <bruno@clisp.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -#include <ucontext.h> - -#define SIGSEGV_FAULT_HANDLER_ARGLIST int sig, siginfo_t *sip, void *ucp -#define SIGSEGV_FAULT_ADDRESS sip->si_ptr -#define SIGSEGV_FAULT_ADDRESS_FROM_SIGINFO - -#if 0 -#define SIGSEGV_FAULT_CONTEXT ((ucontext_t *) ucp) -#define SIGSEGV_FAULT_STACKPOINTER ((ucontext_t *) ucp)->uc_mcontext.gregs.g_regs[30] -#endif diff --git a/libsigsegv/src/fault-linux-i386-old.h b/libsigsegv/src/fault-linux-i386-old.h deleted file mode 100644 index fc949860..00000000 --- a/libsigsegv/src/fault-linux-i386-old.h +++ /dev/null @@ -1,23 +0,0 @@ -/* Fault handler information. Linux/i386 version, supports old kernels. - Copyright (C) 2002 Bruno Haible <bruno@clisp.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -/* Don't include <asm/sigcontext.h> here, because some older kernels don't - have it or don't define `struct sigcontext' in it. */ -#define SIGSEGV_FAULT_HANDLER_ARGLIST int sig, unsigned long more -#define SIGSEGV_FAULT_ADDRESS ((unsigned long *) &more) [21] -#define SIGSEGV_FAULT_CONTEXT ((struct sigcontext *) &more) -#define SIGSEGV_FAULT_STACKPOINTER ((unsigned long *) &more) [7] diff --git a/libsigsegv/src/fault-linux-i386.h b/libsigsegv/src/fault-linux-i386.h deleted file mode 100644 index 709ca3a1..00000000 --- a/libsigsegv/src/fault-linux-i386.h +++ /dev/null @@ -1,21 +0,0 @@ -/* Fault handler information. Linux/i386 version. - Copyright (C) 2002 Bruno Haible <bruno@clisp.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -#define SIGSEGV_FAULT_HANDLER_ARGLIST int sig, struct sigcontext sc -#define SIGSEGV_FAULT_ADDRESS sc.cr2 -#define SIGSEGV_FAULT_CONTEXT (&sc) -#define SIGSEGV_FAULT_STACKPOINTER sc.esp /* same value as sc.esp_at_signal */ diff --git a/libsigsegv/src/fault-linux-ia64.h b/libsigsegv/src/fault-linux-ia64.h deleted file mode 100644 index f9cf6b12..00000000 --- a/libsigsegv/src/fault-linux-ia64.h +++ /dev/null @@ -1,29 +0,0 @@ -/* Fault handler information. Linux/IA-64 version. - Copyright (C) 2002-2003 Bruno Haible <bruno@clisp.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -#define SIGSEGV_FAULT_HANDLER_ARGLIST int sig, siginfo_t *sip, struct sigcontext *scp -#define SIGSEGV_FAULT_ADDRESS sip->si_addr -#define SIGSEGV_FAULT_CONTEXT scp - -/* IA-64 has two stack pointers, one that grows down, called $r12, and one - that grows up, called $bsp/$bspstore. */ -#define SIGSEGV_FAULT_STACKPOINTER scp->sc_gr[12] - -/* It would be better to access $bspstore instead of $bsp but I don't know - where to find it in 'struct sigcontext'. Anyway, it doesn't matter - because $bsp and $bspstore never differ by more than ca. 1 KB. */ -#define SIGSEGV_FAULT_BSP_POINTER scp->sc_ar_bsp diff --git a/libsigsegv/src/fault-linux-m68k.c b/libsigsegv/src/fault-linux-m68k.c deleted file mode 100644 index 8562e30e..00000000 --- a/libsigsegv/src/fault-linux-m68k.c +++ /dev/null @@ -1,44 +0,0 @@ -/* Fault handler information subroutine. Linux/m68k version. - * Taken from gcc-3.2/boehm-gc/os_dep.c. - * - * Copyright 1988, 1989 Hans-J. Boehm, Alan J. Demers - * Copyright (c) 1991-1995 by Xerox Corporation. All rights reserved. - * Copyright (c) 1996-1999 by Silicon Graphics. All rights reserved. - * Copyright (c) 1999 by Hewlett-Packard Company. All rights reserved. - * - * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED - * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. - * - * Permission is hereby granted to use or copy this program - * for any purpose, provided the above notices are retained on all copies. - * Permission to modify the code and to distribute modified code is granted, - * provided the above notices are retained, and a notice that the code was - * modified is included with the above copyright notice. - */ - -static void * -get_fault_addr (struct sigcontext *scp) -{ - int format = (scp->sc_formatvec >> 12) & 0xf; - unsigned long *framedata = (unsigned long *) (scp + 1); - unsigned long ea; - - switch (format) - { - case 10: case 11: /* 68020/030 */ - ea = framedata[2]; - return (void *) ea; - case 7: /* 68040 */ - ea = framedata[3]; - break; - case 4: /* 68060 */ - ea = framedata[0]; - break; - default: - return (void *) 0; - } - if (framedata[1] & 0x08000000) - /* Correct addr on misaligned access. */ - ea = (ea + 4095) & ~4095; - return (void *) ea; -} diff --git a/libsigsegv/src/fault-linux-m68k.h b/libsigsegv/src/fault-linux-m68k.h deleted file mode 100644 index 4623d902..00000000 --- a/libsigsegv/src/fault-linux-m68k.h +++ /dev/null @@ -1,24 +0,0 @@ -/* Fault handler information. Linux/m68k version. - Copyright (C) 2002 Bruno Haible <bruno@clisp.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -#include <asm/sigcontext.h> -#include "fault-linux-m68k.c" - -#define SIGSEGV_FAULT_HANDLER_ARGLIST int sig, int code, struct sigcontext *scp -#define SIGSEGV_FAULT_ADDRESS (unsigned long) get_fault_addr (scp) -#define SIGSEGV_FAULT_CONTEXT scp -#define SIGSEGV_FAULT_STACKPOINTER scp->sc_usp diff --git a/libsigsegv/src/fault-linux-mips.h b/libsigsegv/src/fault-linux-mips.h deleted file mode 100644 index fa80dc3e..00000000 --- a/libsigsegv/src/fault-linux-mips.h +++ /dev/null @@ -1,22 +0,0 @@ -/* Fault handler information. Linux/MIPS version - Copyright (C) 2002 Bruno Haible <bruno@clisp.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -#include <asm/sigcontext.h> - -#define SIGSEGV_FAULT_HANDLER_ARGLIST int sig, int code, struct sigcontext *scp -#define SIGSEGV_FAULT_CONTEXT scp -#define SIGSEGV_FAULT_STACKPOINTER scp->sc_regs[29] diff --git a/libsigsegv/src/fault-linux-powerpc.h b/libsigsegv/src/fault-linux-powerpc.h deleted file mode 100644 index ea398f00..00000000 --- a/libsigsegv/src/fault-linux-powerpc.h +++ /dev/null @@ -1,23 +0,0 @@ -/* Fault handler information. Linux/PowerPC version. - Copyright (C) 2002 Bruno Haible <bruno@clisp.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -#include <asm/sigcontext.h> - -#define SIGSEGV_FAULT_HANDLER_ARGLIST int sig, struct sigcontext *scp -#define SIGSEGV_FAULT_ADDRESS scp->regs->dar -#define SIGSEGV_FAULT_CONTEXT scp -#define SIGSEGV_FAULT_STACKPOINTER scp->regs->gpr[1] diff --git a/libsigsegv/src/fault-linux-s390.h b/libsigsegv/src/fault-linux-s390.h deleted file mode 100644 index 29056ffc..00000000 --- a/libsigsegv/src/fault-linux-s390.h +++ /dev/null @@ -1,22 +0,0 @@ -/* Fault handler information. Linux/S390 version. - Copyright (C) 2002 Bruno Haible <bruno@clisp.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -#include <asm/sigcontext.h> - -#define SIGSEGV_FAULT_HANDLER_ARGLIST int sig, struct sigcontext *scp -#define SIGSEGV_FAULT_CONTEXT scp -#define SIGSEGV_FAULT_STACKPOINTER scp->sregs->regs.gprs[15] diff --git a/libsigsegv/src/fault-linux-sh.h b/libsigsegv/src/fault-linux-sh.h deleted file mode 100644 index 3db1aee1..00000000 --- a/libsigsegv/src/fault-linux-sh.h +++ /dev/null @@ -1,22 +0,0 @@ -/* Fault handler information. Linux/SH version. - Copyright (C) 2002 Bruno Haible <bruno@clisp.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -#include <asm/sigcontext.h> - -#define SIGSEGV_FAULT_HANDLER_ARGLIST int sig, int r1, int r2, int r3, struct sigcontext sc -#define SIGSEGV_FAULT_CONTEXT (&sc) -#define SIGSEGV_FAULT_STACKPOINTER sc.sc_regs[15] diff --git a/libsigsegv/src/fault-linux-sparc.h b/libsigsegv/src/fault-linux-sparc.h deleted file mode 100644 index fcc77933..00000000 --- a/libsigsegv/src/fault-linux-sparc.h +++ /dev/null @@ -1,23 +0,0 @@ -/* Fault handler information. Linux/SPARC version. - Copyright (C) 2002 Bruno Haible <bruno@clisp.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -#include <asm/sigcontext.h> - -#define SIGSEGV_FAULT_HANDLER_ARGLIST int sig, int code, struct sigcontext *scp, void *addr /* FIXME */ -#define SIGSEGV_FAULT_ADDRESS addr /* in case of SunOS4 signal frames */ -#define SIGSEGV_FAULT_CONTEXT scp -#define SIGSEGV_FAULT_STACKPOINTER scp->sigc_sp /* FIXME: not scp->si_regs.u_regs[14] ? */ diff --git a/libsigsegv/src/fault-linux-x86_64.h b/libsigsegv/src/fault-linux-x86_64.h deleted file mode 100644 index 70b08f08..00000000 --- a/libsigsegv/src/fault-linux-x86_64.h +++ /dev/null @@ -1,22 +0,0 @@ -/* Fault handler information. Linux/x86_64 version. - Copyright (C) 2002 Bruno Haible <bruno@clisp.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -#include <asm/sigcontext.h> - -#define SIGSEGV_FAULT_HANDLER_ARGLIST int sig, struct sigcontext sc -#define SIGSEGV_FAULT_CONTEXT (&sc) -#define SIGSEGV_FAULT_STACKPOINTER sc.rsp diff --git a/libsigsegv/src/fault-linux.h b/libsigsegv/src/fault-linux.h deleted file mode 100644 index b7cf9dbc..00000000 --- a/libsigsegv/src/fault-linux.h +++ /dev/null @@ -1,22 +0,0 @@ -/* Fault handler information. Linux stub version. - Copyright (C) 2002 Bruno Haible <bruno@clisp.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -/* For SIGSEGV_FAULT_HANDLER_ARGLIST, see the definition of SIGCONTEXT in - glibc/sysdeps/unix/sysv/linux/<cpu>/sigcontextinfo.h. */ - -/* For SIGSEGV_FAULT_STACKPOINTER, see the definition of GET_STACK in - glibc/sysdeps/unix/sysv/linux/<cpu>/sigcontextinfo.h. */ diff --git a/libsigsegv/src/fault-macos-i386.h b/libsigsegv/src/fault-macos-i386.h deleted file mode 100644 index 83d40cb5..00000000 --- a/libsigsegv/src/fault-macos-i386.h +++ /dev/null @@ -1,20 +0,0 @@ -/* Fault handler information. MacOSX/i386 version. - Copyright (C) 2003 Paolo Bonzini <bonzini@gnu.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -#define SIGSEGV_FAULT_HANDLER_ARGLIST int sig, int code, struct sigcontext *scp -#define SIGSEGV_FAULT_CONTEXT scp -#define SIGSEGV_FAULT_STACKPOINTER scp->sc_esp diff --git a/libsigsegv/src/fault-macosdarwin5-powerpc.c b/libsigsegv/src/fault-macosdarwin5-powerpc.c deleted file mode 100644 index a2f59d8f..00000000 --- a/libsigsegv/src/fault-macosdarwin5-powerpc.c +++ /dev/null @@ -1,124 +0,0 @@ -/* Fault handler information subroutine. MacOSX/Darwin5/PowerPC version. - * Taken from gcc-3.2/boehm-gc/os_dep.c. - * - * Copyright 1988, 1989 Hans-J. Boehm, Alan J. Demers - * Copyright (c) 1991-1995 by Xerox Corporation. All rights reserved. - * Copyright (c) 1996-1999 by Silicon Graphics. All rights reserved. - * Copyright (c) 1999 by Hewlett-Packard Company. All rights reserved. - * - * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED - * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. - * - * Permission is hereby granted to use or copy this program - * for any purpose, provided the above notices are retained on all copies. - * Permission to modify the code and to distribute modified code is granted, - * provided the above notices are retained, and a notice that the code was - * modified is included with the above copyright notice. - */ - -/* Decodes the machine instruction which was responsible for the sending of the - SIGBUS signal. Sadly this is the only way to find the faulting address - because the signal handler doesn't get it directly from the kernel (although - it is available on the Mach level, but dropped by the BSD personality before - it calls our signal handler...) - This code should be able to deal correctly with all PPCs starting from the - 601 up to and including the G4s (including Velocity Engine). */ -#define EXTRACT_OP1(iw) (((iw) & 0xFC000000) >> 26) -#define EXTRACT_OP2(iw) (((iw) & 0x000007FE) >> 1) -#define EXTRACT_REGA(iw) (((iw) & 0x001F0000) >> 16) -#define EXTRACT_REGB(iw) (((iw) & 0x03E00000) >> 21) -#define EXTRACT_REGC(iw) (((iw) & 0x0000F800) >> 11) -#define EXTRACT_DISP(iw) ((short *) &(iw))[1] - -static void * -get_fault_addr (struct sigcontext *scp) -{ - unsigned int instr = *((unsigned int *) scp->sc_ir); - unsigned int *regs = &((unsigned int *) scp->sc_regs)[2]; - int disp = 0; - int tmp; - unsigned int baseA = 0; - unsigned int baseB = 0; - unsigned int addr; - unsigned int alignmask = 0xFFFFFFFF; - - switch (EXTRACT_OP1 (instr)) - { - case 38: /* stb */ - case 39: /* stbu */ - case 54: /* stfd */ - case 55: /* stfdu */ - case 52: /* stfs */ - case 53: /* stfsu */ - case 44: /* sth */ - case 45: /* sthu */ - case 47: /* stmw */ - case 36: /* stw */ - case 37: /* stwu */ - tmp = EXTRACT_REGA (instr); - if (tmp > 0) - baseA = regs[tmp]; - disp = EXTRACT_DISP (instr); - break; - case 31: - switch (EXTRACT_OP2 (instr)) - { - case 86: /* dcbf */ - case 54: /* dcbst */ - case 1014: /* dcbz */ - case 247: /* stbux */ - case 215: /* stbx */ - case 759: /* stfdux */ - case 727: /* stfdx */ - case 983: /* stfiwx */ - case 695: /* stfsux */ - case 663: /* stfsx */ - case 918: /* sthbrx */ - case 439: /* sthux */ - case 407: /* sthx */ - case 661: /* stswx */ - case 662: /* stwbrx */ - case 150: /* stwcx. */ - case 183: /* stwux */ - case 151: /* stwx */ - case 135: /* stvebx */ - case 167: /* stvehx */ - case 199: /* stvewx */ - case 231: /* stvx */ - case 487: /* stvxl */ - tmp = EXTRACT_REGA (instr); - if (tmp > 0) - baseA = regs[tmp]; - baseB = regs[EXTRACT_REGC (instr)]; - /* Determine Altivec alignment mask. */ - switch (EXTRACT_OP2 (instr)) - { - case 167: /* stvehx */ - alignmask = 0xFFFFFFFE; - break; - case 199: /* stvewx */ - alignmask = 0xFFFFFFFC; - break; - case 231: /* stvx */ - case 487: /* stvxl */ - alignmask = 0xFFFFFFF0; - break; - } - break; - case 725: /* stswi */ - tmp = EXTRACT_REGA (instr); - if (tmp > 0) - baseA = regs[tmp]; - break; - default: /* ignore instruction */ - return (void *) 0; - } - break; - default: /* ignore instruction */ - return (void *) 0; - } - - addr = (baseA + baseB) + disp; - addr &= alignmask; - return (void *) addr; -} diff --git a/libsigsegv/src/fault-macosdarwin5-powerpc.h b/libsigsegv/src/fault-macosdarwin5-powerpc.h deleted file mode 100644 index 9998061c..00000000 --- a/libsigsegv/src/fault-macosdarwin5-powerpc.h +++ /dev/null @@ -1,26 +0,0 @@ -/* Fault handler information. MacOSX/Darwin5/PowerPC version. - Copyright (C) 2002-2004 Bruno Haible <bruno@clisp.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -#include "fault-macosdarwin5-powerpc.c" - -#define SIGSEGV_FAULT_HANDLER_ARGLIST int sig, int code, struct sigcontext *scp -#define SIGSEGV_FAULT_ADDRESS (unsigned long) get_fault_addr (scp) -#define SIGSEGV_FAULT_CONTEXT scp -#if 0 -#define SIGSEGV_FAULT_STACKPOINTER (&((unsigned int *) scp->sc_regs)[2])[1] -#endif -#define SIGSEGV_FAULT_STACKPOINTER (scp->sc_regs ? ((unsigned int *) scp->sc_regs)[3] : scp->sc_sp) diff --git a/libsigsegv/src/fault-macosdarwin7-powerpc.c b/libsigsegv/src/fault-macosdarwin7-powerpc.c deleted file mode 100644 index e8e9337a..00000000 --- a/libsigsegv/src/fault-macosdarwin7-powerpc.c +++ /dev/null @@ -1,131 +0,0 @@ -/* Fault handler information subroutine. MacOSX/Darwin7/PowerPC version. - * Taken from gcc-3.2/boehm-gc/os_dep.c. - * - * Copyright 1988, 1989 Hans-J. Boehm, Alan J. Demers - * Copyright (c) 1991-1995 by Xerox Corporation. All rights reserved. - * Copyright (c) 1996-1999 by Silicon Graphics. All rights reserved. - * Copyright (c) 1999 by Hewlett-Packard Company. All rights reserved. - * - * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED - * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. - * - * Permission is hereby granted to use or copy this program - * for any purpose, provided the above notices are retained on all copies. - * Permission to modify the code and to distribute modified code is granted, - * provided the above notices are retained, and a notice that the code was - * modified is included with the above copyright notice. - */ - -#include <ucontext.h> - -/* Decodes the machine instruction which was responsible for the sending of the - SIGBUS signal. Sadly this is the only way to find the faulting address - because the signal handler doesn't get it directly from the kernel (although - it is available on the Mach level, but dropped by the BSD personality before - it calls our signal handler...) - This code should be able to deal correctly with all PPCs starting from the - 601 up to and including the G4s (including Velocity Engine). */ -#define EXTRACT_OP1(iw) (((iw) & 0xFC000000) >> 26) -#define EXTRACT_OP2(iw) (((iw) & 0x000007FE) >> 1) -#define EXTRACT_REGA(iw) (((iw) & 0x001F0000) >> 16) -#define EXTRACT_REGB(iw) (((iw) & 0x03E00000) >> 21) -#define EXTRACT_REGC(iw) (((iw) & 0x0000F800) >> 11) -#define EXTRACT_DISP(iw) ((short *) &(iw))[1] - -static void * -get_fault_addr (siginfo_t *sip, ucontext_t *ucp) -{ - unsigned int instr = *(unsigned int *) sip->si_addr; - unsigned int *regs = -#if __DARWIN_UNIX03 - &ucp->uc_mcontext->ss.__r0; /* r0..r31 */ -#else - &ucp->uc_mcontext->ss.r0; /* r0..r31 */ -#endif - int disp = 0; - int tmp; - unsigned int baseA = 0; - unsigned int baseB = 0; - unsigned int addr; - unsigned int alignmask = 0xFFFFFFFF; - - switch (EXTRACT_OP1 (instr)) - { - case 38: /* stb */ - case 39: /* stbu */ - case 54: /* stfd */ - case 55: /* stfdu */ - case 52: /* stfs */ - case 53: /* stfsu */ - case 44: /* sth */ - case 45: /* sthu */ - case 47: /* stmw */ - case 36: /* stw */ - case 37: /* stwu */ - tmp = EXTRACT_REGA (instr); - if (tmp > 0) - baseA = regs[tmp]; - disp = EXTRACT_DISP (instr); - break; - case 31: - switch (EXTRACT_OP2 (instr)) - { - case 86: /* dcbf */ - case 54: /* dcbst */ - case 1014: /* dcbz */ - case 247: /* stbux */ - case 215: /* stbx */ - case 759: /* stfdux */ - case 727: /* stfdx */ - case 983: /* stfiwx */ - case 695: /* stfsux */ - case 663: /* stfsx */ - case 918: /* sthbrx */ - case 439: /* sthux */ - case 407: /* sthx */ - case 661: /* stswx */ - case 662: /* stwbrx */ - case 150: /* stwcx. */ - case 183: /* stwux */ - case 151: /* stwx */ - case 135: /* stvebx */ - case 167: /* stvehx */ - case 199: /* stvewx */ - case 231: /* stvx */ - case 487: /* stvxl */ - tmp = EXTRACT_REGA (instr); - if (tmp > 0) - baseA = regs[tmp]; - baseB = regs[EXTRACT_REGC (instr)]; - /* Determine Altivec alignment mask. */ - switch (EXTRACT_OP2 (instr)) - { - case 167: /* stvehx */ - alignmask = 0xFFFFFFFE; - break; - case 199: /* stvewx */ - alignmask = 0xFFFFFFFC; - break; - case 231: /* stvx */ - case 487: /* stvxl */ - alignmask = 0xFFFFFFF0; - break; - } - break; - case 725: /* stswi */ - tmp = EXTRACT_REGA (instr); - if (tmp > 0) - baseA = regs[tmp]; - break; - default: /* ignore instruction */ - return (void *) 0; - } - break; - default: /* ignore instruction */ - return (void *) 0; - } - - addr = (baseA + baseB) + disp; - addr &= alignmask; - return (void *) addr; -} diff --git a/libsigsegv/src/fault-macosdarwin7-powerpc.h b/libsigsegv/src/fault-macosdarwin7-powerpc.h deleted file mode 100644 index 02a26bd8..00000000 --- a/libsigsegv/src/fault-macosdarwin7-powerpc.h +++ /dev/null @@ -1,28 +0,0 @@ -/* Fault handler information. MacOSX/Darwin7/PowerPC version. - Copyright (C) 2002-2004, 2007 Bruno Haible <bruno@clisp.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -#include "fault-macosdarwin7-powerpc.c" - -#define SIGSEGV_FAULT_HANDLER_ARGLIST int sig, siginfo_t *sip, ucontext_t *ucp -#define SIGSEGV_FAULT_ADDRESS (unsigned long) get_fault_addr (sip, ucp) -#define SIGSEGV_FAULT_CONTEXT ucp -#define SIGSEGV_FAULT_ADDRESS_FROM_SIGINFO -#if __DARWIN_UNIX03 -#define SIGSEGV_FAULT_STACKPOINTER ucp->uc_mcontext->ss.__r1 -#else -#define SIGSEGV_FAULT_STACKPOINTER ucp->uc_mcontext->ss.r1 -#endif diff --git a/libsigsegv/src/fault-netbsd-alpha.c b/libsigsegv/src/fault-netbsd-alpha.c deleted file mode 100644 index 6ca67bc1..00000000 --- a/libsigsegv/src/fault-netbsd-alpha.c +++ /dev/null @@ -1,39 +0,0 @@ -/* Fault handler information subroutine. NetBSD/Alpha version. - * Taken from gcc-3.3/boehm-gc/os_dep.c. - * - * Copyright 1988, 1989 Hans-J. Boehm, Alan J. Demers - * Copyright (c) 1991-1995 by Xerox Corporation. All rights reserved. - * Copyright (c) 1996-1999 by Silicon Graphics. All rights reserved. - * Copyright (c) 1999 by Hewlett-Packard Company. All rights reserved. - * - * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED - * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. - * - * Permission is hereby granted to use or copy this program - * for any purpose, provided the above notices are retained on all copies. - * Permission to modify the code and to distribute modified code is granted, - * provided the above notices are retained, and a notice that the code was - * modified is included with the above copyright notice. - */ - -/* Decodes the machine instruction which was responsible for the sending of the - SIGBUS signal. Luckily this is much easier than, say, on the PowerPC. */ - -static void * -get_fault_addr (struct sigcontext *scp) -{ - unsigned int instr = *((unsigned int *)(scp->sc_pc)); - unsigned long faultaddr; - - /* Instructions which access memory have operands of the form ARG_MEM or - ARG_FMEM, consisting of - - a base register specification (PRB) in bits 20..16, - - a memory displacement (MDISP) in bits 15..0, - - an general register specification (RA) or a floating-point register - specification (FA) in bits 25..21. - See binutils-2.13.90.0.16/opcodes/alpha-opc.c. */ - - faultaddr = scp->sc_regs[(instr >> 16) & 0x1f]; - faultaddr += (unsigned long) (long) (((int)instr << 16) >> 16); - return (void *) faultaddr; -} diff --git a/libsigsegv/src/fault-netbsd-alpha.h b/libsigsegv/src/fault-netbsd-alpha.h deleted file mode 100644 index 595faf57..00000000 --- a/libsigsegv/src/fault-netbsd-alpha.h +++ /dev/null @@ -1,26 +0,0 @@ -/* Fault handler information. NetBSD/Alpha version. - Copyright (C) 2003 Paolo Bonzini <bonzini@gnu.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -/* NetBSD's sc_sp field depends on machine/reg.h's definition of R_SP. */ -#include <machine/reg.h> - -#include "fault-netbsd-alpha.c" - -#define SIGSEGV_FAULT_HANDLER_ARGLIST int sig, int code, struct sigcontext *scp -#define SIGSEGV_FAULT_ADDRESS ((unsigned long) get_fault_addr (scp)) -#define SIGSEGV_FAULT_CONTEXT scp -#define SIGSEGV_FAULT_STACKPOINTER ((unsigned int *) scp->sc_sp) diff --git a/libsigsegv/src/fault-netbsd.h b/libsigsegv/src/fault-netbsd.h deleted file mode 100644 index a9f2b17c..00000000 --- a/libsigsegv/src/fault-netbsd.h +++ /dev/null @@ -1,29 +0,0 @@ -/* Fault handler information. NetBSD version. - Copyright (C) 2006, 2009 Bruno Haible <bruno@clisp.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -#include "fault-posix-ucontext.h" - -/* _UC_MACHINE_SP is a platform independent macro. - Defined in <machine/mcontext.h>, see - http://cvsweb.netbsd.org/bsdweb.cgi/src/sys/arch/$arch/include/mcontext.h - Supported on alpha, amd64, i386, ia64, m68k, mips, powerpc, sparc since - NetBSD 2.0. - On i386, _UC_MACHINE_SP is the same as ->uc_mcontext.__gregs[_REG_UESP], - and apparently the same value as ->uc_mcontext.__gregs[_REG_ESP]. */ -#ifdef _UC_MACHINE_SP -#define SIGSEGV_FAULT_STACKPOINTER _UC_MACHINE_SP ((ucontext_t *) ucp) -#endif diff --git a/libsigsegv/src/fault-none.h b/libsigsegv/src/fault-none.h deleted file mode 100644 index 064a3f0c..00000000 --- a/libsigsegv/src/fault-none.h +++ /dev/null @@ -1,17 +0,0 @@ -/* Fault handler information. Version for platforms lacking support, - or with a self-contained handler.c. - Copyright (C) 2002 Bruno Haible <bruno@clisp.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ diff --git a/libsigsegv/src/fault-openbsd-i386.h b/libsigsegv/src/fault-openbsd-i386.h deleted file mode 100644 index 23339eda..00000000 --- a/libsigsegv/src/fault-openbsd-i386.h +++ /dev/null @@ -1,20 +0,0 @@ -/* Fault handler information. OpenBSD/i386 version. - Copyright (C) 2003 Bruno Haible <bruno@clisp.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -#include "fault-openbsd.h" - -#define SIGSEGV_FAULT_STACKPOINTER scp->sc_esp diff --git a/libsigsegv/src/fault-openbsd.h b/libsigsegv/src/fault-openbsd.h deleted file mode 100644 index c784023e..00000000 --- a/libsigsegv/src/fault-openbsd.h +++ /dev/null @@ -1,21 +0,0 @@ -/* Fault handler information. OpenBSD version. - Copyright (C) 2003 Bruno Haible <bruno@clisp.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -#define SIGSEGV_FAULT_HANDLER_ARGLIST int sig, siginfo_t *sip, struct sigcontext *scp -#define SIGSEGV_FAULT_ADDRESS sip->si_addr -#define SIGSEGV_FAULT_CONTEXT scp -#define SIGSEGV_FAULT_ADDRESS_FROM_SIGINFO diff --git a/libsigsegv/src/fault-osf-alpha.h b/libsigsegv/src/fault-osf-alpha.h deleted file mode 100644 index e56a6539..00000000 --- a/libsigsegv/src/fault-osf-alpha.h +++ /dev/null @@ -1,21 +0,0 @@ -/* Fault handler information. OSF/1 Alpha version. - Copyright (C) 2002 Bruno Haible <bruno@clisp.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -#include "fault-osf.h" - -#define SIGSEGV_FAULT_ADDRESS scp->sc_traparg_a0 -#define SIGSEGV_FAULT_STACKPOINTER scp->sc_regs[30] diff --git a/libsigsegv/src/fault-osf.h b/libsigsegv/src/fault-osf.h deleted file mode 100644 index 8b939578..00000000 --- a/libsigsegv/src/fault-osf.h +++ /dev/null @@ -1,19 +0,0 @@ -/* Fault handler information. OSF/1 version. - Copyright (C) 2002 Bruno Haible <bruno@clisp.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -#define SIGSEGV_FAULT_HANDLER_ARGLIST int sig, int code, struct sigcontext *scp -#define SIGSEGV_FAULT_CONTEXT scp diff --git a/libsigsegv/src/fault-posix-ucontext.h b/libsigsegv/src/fault-posix-ucontext.h deleted file mode 100644 index 78bdd976..00000000 --- a/libsigsegv/src/fault-posix-ucontext.h +++ /dev/null @@ -1,23 +0,0 @@ -/* Fault handler information. POSIX:2001 (= SUSV3 = XPG 6) version. - Copyright (C) 2002 Bruno Haible <bruno@clisp.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -#include <ucontext.h> - -#define SIGSEGV_FAULT_HANDLER_ARGLIST int sig, siginfo_t *sip, void *ucp -#define SIGSEGV_FAULT_ADDRESS sip->si_addr -#define SIGSEGV_FAULT_CONTEXT ((ucontext_t *) ucp) -#define SIGSEGV_FAULT_ADDRESS_FROM_SIGINFO diff --git a/libsigsegv/src/fault-posix.h b/libsigsegv/src/fault-posix.h deleted file mode 100644 index 85cd7df5..00000000 --- a/libsigsegv/src/fault-posix.h +++ /dev/null @@ -1,21 +0,0 @@ -/* Fault handler information. POSIX:2008 (XPG 7) version. - Copyright (C) 2002, 2009 Bruno Haible <bruno@clisp.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -#define SIGSEGV_FAULT_HANDLER_ARGLIST int sig, siginfo_t *sip, void *context -#define SIGSEGV_FAULT_ADDRESS sip->si_addr -#define SIGSEGV_FAULT_CONTEXT context -#define SIGSEGV_FAULT_ADDRESS_FROM_SIGINFO diff --git a/libsigsegv/src/fault-solaris-i386.h b/libsigsegv/src/fault-solaris-i386.h deleted file mode 100644 index 40035c70..00000000 --- a/libsigsegv/src/fault-solaris-i386.h +++ /dev/null @@ -1,20 +0,0 @@ -/* Fault handler information. Solaris/i386 version. - Copyright (C) 2002 Bruno Haible <bruno@clisp.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -#include "fault-solaris.h" - -#define SIGSEGV_FAULT_STACKPOINTER ((ucontext_t *) ucp)->uc_mcontext.gregs[ESP] diff --git a/libsigsegv/src/fault-solaris-sparc.h b/libsigsegv/src/fault-solaris-sparc.h deleted file mode 100644 index 878fe849..00000000 --- a/libsigsegv/src/fault-solaris-sparc.h +++ /dev/null @@ -1,20 +0,0 @@ -/* Fault handler information. Solaris/SPARC version. - Copyright (C) 2002 Bruno Haible <bruno@clisp.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -#include "fault-solaris.h" - -#define SIGSEGV_FAULT_STACKPOINTER ((ucontext_t *) ucp)->uc_mcontext.gregs[REG_O6] diff --git a/libsigsegv/src/fault-solaris.h b/libsigsegv/src/fault-solaris.h deleted file mode 100644 index 76135671..00000000 --- a/libsigsegv/src/fault-solaris.h +++ /dev/null @@ -1,18 +0,0 @@ -/* Fault handler information. Solaris version. - Copyright (C) 2002, 2009 Bruno Haible <bruno@clisp.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -#include "fault-posix-ucontext.h" diff --git a/libsigsegv/src/fault.h b/libsigsegv/src/fault.h deleted file mode 100644 index 060c83c4..00000000 --- a/libsigsegv/src/fault.h +++ /dev/null @@ -1,37 +0,0 @@ -/* Fault handler information. - Copyright (C) 2002 Bruno Haible <bruno@clisp.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -/* The included file defines: - - SIGSEGV_FAULT_HANDLER_ARGLIST - is the argument list for the actual fault handler. - - SIGSEGV_FAULT_ADDRESS - is a macro for fetching the fault address. - - and if available (optional): - - SIGSEGV_FAULT_CONTEXT - is a macro giving a pointer to the entire fault context (i.e. - the register set etc.). - - SIGSEGV_FAULT_STACKPOINTER - is a macro for fetching the stackpointer at the moment the fault - occurred. - */ - -#include CFG_FAULT diff --git a/libsigsegv/src/handler-macos.c b/libsigsegv/src/handler-macos.c deleted file mode 100644 index 3a39e727..00000000 --- a/libsigsegv/src/handler-macos.c +++ /dev/null @@ -1,563 +0,0 @@ -/* Fault handler information. MacOSX version. - Copyright (C) 1993-1999, 2002-2003, 2007-2008 Bruno Haible <bruno@clisp.org> - Copyright (C) 2003 Paolo Bonzini <bonzini@gnu.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -#include "sigsegv.h" - -#include <stdio.h> -#include <stdlib.h> -#include <errno.h> -#include <signal.h> -#if HAVE_SYS_SIGNAL_H -# include <sys/signal.h> -#endif - -#include <mach/mach.h> -#include <mach/mach_error.h> -#include <mach/thread_status.h> -#include <mach/exception.h> -#include <mach/task.h> -#include <pthread.h> - -/* For MacOSX. */ -#ifndef SS_DISABLE -#define SS_DISABLE SA_DISABLE -#endif - -/* In the header files of MacOS X >= 10.5, when compiling with flags that lead - to __DARWIN_UNIX03=1 (see <sys/cdefs.h>), the register names are prefixed - with '__'. To test for MacOS X >= 10.5 versus < 10.5, we cannot use a - predefined macro such as __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ - because that does not change when a cross-compile via -isysroot is - activated. Instead use some macro defined inside the header files and which - changed in 10.5, such as - File Macro 10.4 10.5 - <mach/machine/exception.h> EXC_TYPES_COUNT 10 11 - <mach/exception_types.h> EXC_CRASH -- 10 - <mach/mach_vm.h> mach_vm_MSG_COUNT 18 19 - <mach/machine.h> CPU_TYPE_ARM -- ... - <mach/memory_object_control.h> memory_object_control_MSG_COUNT 11 12 - <mach/memory_object_types.h> UPL_ABORT_REFERENCE -- 0x80 - <mach/message.h> MACH_RCV_TRAILER_AV -- 8 - <mach/port.h> MACH_PORT_RIGHT_LABELH -- ... - <mach/thread_policy.h> THREAD_AFFINITY_POLICY -- 4 - <mach/vm_region.h> VM_REGION_SUBMAP_SHORT_INFO_COUNT_64 ... - */ -#if EXC_TYPES_COUNT >= 11 -# define MacOS_X_10_5_HEADERS 1 -#endif - -#include "machfault.h" - -/* The following sources were used as a *reference* for this exception handling - code: - 1. Apple's mach/xnu documentation - 2. Timothy J. Wood's "Mach Exception Handlers 101" post to the - omnigroup's macosx-dev list. - www.omnigroup.com/mailman/archive/macosx-dev/2000-June/002030.html */ - -/* This is not defined in any header, although documented. */ - -/* http://web.mit.edu/darwin/src/modules/xnu/osfmk/man/exc_server.html says: - The exc_server function is the MIG generated server handling function - to handle messages from the kernel relating to the occurrence of an - exception in a thread. Such messages are delivered to the exception port - set via thread_set_exception_ports or task_set_exception_ports. When an - exception occurs in a thread, the thread sends an exception message to its - exception port, blocking in the kernel waiting for the receipt of a reply. - The exc_server function performs all necessary argument handling for this - kernel message and calls catch_exception_raise, catch_exception_raise_state - or catch_exception_raise_state_identity, which should handle the exception. - If the called routine returns KERN_SUCCESS, a reply message will be sent, - allowing the thread to continue from the point of the exception; otherwise, - no reply message is sent and the called routine must have dealt with the - exception thread directly. */ -extern boolean_t - exc_server (mach_msg_header_t *request_msg, - mach_msg_header_t *reply_msg); - - -/* http://web.mit.edu/darwin/src/modules/xnu/osfmk/man/catch_exception_raise.html - These functions are defined in this file, and called by exc_server. - FIXME: What needs to be done when this code is put into a shared library? */ -kern_return_t -catch_exception_raise (mach_port_t exception_port, - mach_port_t thread, - mach_port_t task, - exception_type_t exception, - exception_data_t code, - mach_msg_type_number_t code_count); -kern_return_t -catch_exception_raise_state (mach_port_t exception_port, - exception_type_t exception, - exception_data_t code, - mach_msg_type_number_t code_count, - thread_state_flavor_t *flavor, - thread_state_t in_state, - mach_msg_type_number_t in_state_count, - thread_state_t out_state, - mach_msg_type_number_t *out_state_count); -kern_return_t -catch_exception_raise_state_identity (mach_port_t exception_port, - mach_port_t thread, - mach_port_t task, - exception_type_t exception, - exception_data_t code, - mach_msg_type_number_t codeCnt, - thread_state_flavor_t *flavor, - thread_state_t in_state, - mach_msg_type_number_t in_state_count, - thread_state_t out_state, - mach_msg_type_number_t *out_state_count); - - -/* Our exception thread. */ -static mach_port_t our_exception_thread; - -/* The exception port on which our thread listens. */ -static mach_port_t our_exception_port; - - -/* mach_initialize() status: - 0: not yet called - 1: called and succeeded - -1: called and failed */ -static int mach_initialized = 0; - -/* Communication area for the exception state and thread state. */ -static SIGSEGV_THREAD_STATE_TYPE save_thread_state; - -/* Check for reentrant signals. */ -static int emergency = -1; - -/* User's stack overflow handler. */ -static stackoverflow_handler_t stk_user_handler = (stackoverflow_handler_t)NULL; -static unsigned long stk_extra_stack; -static unsigned long stk_extra_stack_size; - -/* User's fault handler. */ -static sigsegv_handler_t user_handler = (sigsegv_handler_t)NULL; - -/* Thread that signalled the exception. Only set while user_handler is being - invoked. */ -static mach_port_t signalled_thread = (mach_port_t) 0; - -/* A handler that is called in the faulting thread. It terminates the thread. */ -static void -terminating_handler () -{ - /* Dump core. */ - raise (SIGSEGV); - - /* Seriously. */ - abort (); -} - -/* A handler that is called in the faulting thread, on an alternate stack. - It calls the user installed stack overflow handler. */ -static void -altstack_handler () -{ - /* We arrive here when the user refused to handle a fault. */ - - /* Check if it is plausibly a stack overflow, and the user installed - a stack overflow handler. */ - if (stk_user_handler) - { - emergency++; - /* Call user's handler. */ - (*stk_user_handler) (emergency, &save_thread_state); - } - - /* Else, terminate the thread. */ - terminating_handler (); -} - - -/* Handle an exception by invoking the user's fault handler and/or forwarding - the duty to the previously installed handlers. */ -kern_return_t -catch_exception_raise (mach_port_t exception_port, - mach_port_t thread, - mach_port_t task, - exception_type_t exception, - exception_data_t code, - mach_msg_type_number_t code_count) -{ -#ifdef SIGSEGV_EXC_STATE_TYPE - SIGSEGV_EXC_STATE_TYPE exc_state; -#endif - SIGSEGV_THREAD_STATE_TYPE thread_state; - mach_msg_type_number_t state_count; - unsigned long addr; - unsigned long sp; - -#ifdef DEBUG_EXCEPTION_HANDLING - fprintf (stderr, "Exception: 0x%x Code: 0x%x 0x%x in catch....\n", - exception, - code_count > 0 ? code[0] : -1, - code_count > 1 ? code[1] : -1); -#endif - - /* See http://web.mit.edu/darwin/src/modules/xnu/osfmk/man/thread_get_state.html. */ -#ifdef SIGSEGV_EXC_STATE_TYPE - state_count = SIGSEGV_EXC_STATE_COUNT; - if (thread_get_state (thread, SIGSEGV_EXC_STATE_FLAVOR, - (void *) &exc_state, &state_count) - != KERN_SUCCESS) - { - /* The thread is supposed to be suspended while the exception handler - is called. This shouldn't fail. */ -#ifdef DEBUG_EXCEPTION_HANDLING - fprintf (stderr, "thread_get_state failed for exception state\n"); -#endif - return KERN_FAILURE; - } -#endif - - state_count = SIGSEGV_THREAD_STATE_COUNT; - if (thread_get_state (thread, SIGSEGV_THREAD_STATE_FLAVOR, - (void *) &thread_state, &state_count) - != KERN_SUCCESS) - { - /* The thread is supposed to be suspended while the exception handler - is called. This shouldn't fail. */ -#ifdef DEBUG_EXCEPTION_HANDLING - fprintf (stderr, "thread_get_state failed for thread state\n"); -#endif - return KERN_FAILURE; - } - - addr = (unsigned long) (SIGSEGV_FAULT_ADDRESS (thread_state, exc_state)); - sp = (unsigned long) (SIGSEGV_STACK_POINTER (thread_state)); - - /* Got the thread's state. Now extract the address that caused the - fault and invoke the user's handler. */ - save_thread_state = thread_state; - - /* If the fault address is near the stack pointer, it's a stack overflow. - Otherwise, treat it like a normal SIGSEGV. */ - if (addr <= sp + 4096 && sp <= addr + 4096) - { - unsigned long new_safe_esp; -#ifdef DEBUG_EXCEPTION_HANDLING - fprintf (stderr, "Treating as stack overflow, sp = 0x%lx\n", (char *) sp); -#endif - new_safe_esp = -#if STACK_DIRECTION < 0 - stk_extra_stack + stk_extra_stack_size - 256; -#else - stk_extra_stack + 256; -#endif -#if defined __x86_64__ || defined __i386__ - new_safe_esp &= -16; /* align */ - new_safe_esp -= sizeof (void *); /* make room for (unused) return address slot */ -#endif - SIGSEGV_STACK_POINTER (thread_state) = new_safe_esp; - /* Continue handling this fault in the faulting thread. (We cannot longjmp while - in the exception handling thread, so we need to mimic what signals do!) */ - SIGSEGV_PROGRAM_COUNTER (thread_state) = (unsigned long) altstack_handler; - } - else - { - if (user_handler) - { - int done; -#ifdef DEBUG_EXCEPTION_HANDLING - fprintf (stderr, "Calling user handler, addr = 0x%lx\n", (char *) addr); -#endif - signalled_thread = thread; - done = (*user_handler) ((void *) addr, 1); - signalled_thread = (mach_port_t) 0; -#ifdef DEBUG_EXCEPTION_HANDLING - fprintf (stderr, "Back from user handler\n"); -#endif - if (done) - return KERN_SUCCESS; - } - SIGSEGV_PROGRAM_COUNTER (thread_state) = (unsigned long) terminating_handler; - } - - /* See http://web.mit.edu/darwin/src/modules/xnu/osfmk/man/thread_set_state.html. */ - if (thread_set_state (thread, SIGSEGV_THREAD_STATE_FLAVOR, - (void *) &thread_state, state_count) - != KERN_SUCCESS) - { -#ifdef DEBUG_EXCEPTION_HANDLING - fprintf (stderr, "thread_set_state failed for altstack state\n"); -#endif - return KERN_FAILURE; - } - return KERN_SUCCESS; -} - - -/* The main function of the thread listening for exceptions. */ -static void * -mach_exception_thread (void *arg) -{ - /* See http://web.mit.edu/darwin/src/modules/xnu/osfmk/man/mach_thread_self.html. */ - our_exception_thread = mach_thread_self (); - - for (;;) - { - /* These two structures contain some private kernel data. We don't need - to access any of it so we don't bother defining a proper struct. The - correct definitions are in the xnu source code. */ - /* Buffer for a message to be received. */ - struct - { - mach_msg_header_t head; - mach_msg_body_t msgh_body; - char data[1024]; - } - msg; - /* Buffer for a reply message. */ - struct - { - mach_msg_header_t head; - char data[1024]; - } - reply; - - mach_msg_return_t retval; - -#ifdef DEBUG_EXCEPTION_HANDLING - fprintf (stderr, "Exception thread going to sleep\n"); -#endif - - /* Wait for a message on the exception port. */ - retval = mach_msg (&msg.head, MACH_RCV_MSG | MACH_RCV_LARGE, 0, - sizeof (msg), our_exception_port, - MACH_MSG_TIMEOUT_NONE, MACH_PORT_NULL); -#ifdef DEBUG_EXCEPTION_HANDLING - fprintf (stderr, "Exception thread woke up\n"); -#endif - if (retval != MACH_MSG_SUCCESS) - { -#ifdef DEBUG_EXCEPTION_HANDLING - fprintf (stderr, "mach_msg receive failed with %d %s\n", - (int) retval, mach_error_string (retval)); -#endif - abort (); - } - - /* Handle the message: Call exc_server, which will call - catch_exception_raise and produce a reply message. */ -#ifdef DEBUG_EXCEPTION_HANDLING - fprintf (stderr, "Calling exc_server\n"); -#endif - exc_server (&msg.head, &reply.head); -#ifdef DEBUG_EXCEPTION_HANDLING - fprintf (stderr, "Finished exc_server\n"); -#endif - - /* Send the reply. */ - if (mach_msg (&reply.head, MACH_SEND_MSG, reply.head.msgh_size, - 0, MACH_PORT_NULL, - MACH_MSG_TIMEOUT_NONE, MACH_PORT_NULL) - != MACH_MSG_SUCCESS) - { -#ifdef DEBUG_EXCEPTION_HANDLING - fprintf (stderr, "mach_msg send failed\n"); -#endif - abort (); - } -#ifdef DEBUG_EXCEPTION_HANDLING - fprintf (stderr, "Reply successful\n"); -#endif - } -} - - -/* Initialize the Mach exception handler thread. - Return 0 if OK, -1 on error. */ -static int -mach_initialize () -{ - mach_port_t self; - exception_mask_t mask; - pthread_attr_t attr; - pthread_t thread; - - self = mach_task_self (); - - /* Allocate a port on which the thread shall listen for exceptions. */ - if (mach_port_allocate (self, MACH_PORT_RIGHT_RECEIVE, &our_exception_port) - != KERN_SUCCESS) - return -1; - - /* See http://web.mit.edu/darwin/src/modules/xnu/osfmk/man/mach_port_insert_right.html. */ - if (mach_port_insert_right (self, our_exception_port, our_exception_port, - MACH_MSG_TYPE_MAKE_SEND) - != KERN_SUCCESS) - return -1; - - /* The exceptions we want to catch. Only EXC_BAD_ACCESS is interesting - for us (see above in function catch_exception_raise). */ - mask = EXC_MASK_BAD_ACCESS; - - /* Create the thread listening on the exception port. */ - if (pthread_attr_init (&attr) != 0) - return -1; - if (pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED) != 0) - return -1; - if (pthread_create (&thread, &attr, mach_exception_thread, NULL) != 0) - return -1; - pthread_attr_destroy (&attr); - - /* Replace the exception port info for these exceptions with our own. - Note that we replace the exception port for the entire task, not only - for a particular thread. This has the effect that when our exception - port gets the message, the thread specific exception port has already - been asked, and we don't need to bother about it. - See http://web.mit.edu/darwin/src/modules/xnu/osfmk/man/task_set_exception_ports.html. */ - if (task_set_exception_ports (self, mask, our_exception_port, - EXCEPTION_DEFAULT, MACHINE_THREAD_STATE) - != KERN_SUCCESS) - return -1; - - return 0; -} - - -int -sigsegv_install_handler (sigsegv_handler_t handler) -{ - if (!mach_initialized) - mach_initialized = (mach_initialize () >= 0 ? 1 : -1); - if (mach_initialized < 0) - return -1; - - user_handler = handler; - - return 0; -} - -void -sigsegv_deinstall_handler (void) -{ - user_handler = (sigsegv_handler_t)NULL; -} - -int -sigsegv_leave_handler (void (*continuation) (void*, void*, void*), - void* cont_arg1, void* cont_arg2, void* cont_arg3) -{ - emergency--; - if (mach_thread_self () == our_exception_thread) - { - /* Inside user_handler invocation. */ - mach_port_t thread; - SIGSEGV_THREAD_STATE_TYPE thread_state; - mach_msg_type_number_t state_count; - - thread = signalled_thread; - if (thread == (mach_port_t) 0) - { - /* The variable signalled_thread was supposed to be set! */ -#ifdef DEBUG_EXCEPTION_HANDLING - fprintf (stderr, "sigsegv_leave_handler: signalled_thread not set\n"); -#endif - return 0; - } - - /* See http://web.mit.edu/darwin/src/modules/xnu/osfmk/man/thread_get_state.html. */ - state_count = SIGSEGV_THREAD_STATE_COUNT; - if (thread_get_state (thread, SIGSEGV_THREAD_STATE_FLAVOR, - (void *) &thread_state, &state_count) - != KERN_SUCCESS) - { - /* The thread was supposed to be suspended! */ -#ifdef DEBUG_EXCEPTION_HANDLING - fprintf (stderr, "sigsegv_leave_handler: thread_get_state failed for thread state\n"); -#endif - return 0; - } - -#if defined __ppc64__ || defined __ppc__ || defined __x86_64__ - /* Store arguments in registers. */ - SIGSEGV_INTEGER_ARGUMENT_1 (thread_state) = (unsigned long) cont_arg1; - SIGSEGV_INTEGER_ARGUMENT_2 (thread_state) = (unsigned long) cont_arg2; - SIGSEGV_INTEGER_ARGUMENT_3 (thread_state) = (unsigned long) cont_arg3; -#endif -#if defined __x86_64__ - /* Align stack. */ - { - unsigned long new_esp = SIGSEGV_STACK_POINTER (thread_state); - new_esp &= -16; /* align */ - new_esp -= sizeof (void *); *(void **)new_esp = SIGSEGV_FRAME_POINTER (thread_state); /* push %rbp */ - SIGSEGV_STACK_POINTER (thread_state) = new_esp; - SIGSEGV_FRAME_POINTER (thread_state) = new_esp; /* mov %rsp,%rbp */ - } -#elif defined __i386__ - /* Push arguments onto the stack. */ - { - unsigned long new_esp = SIGSEGV_STACK_POINTER (thread_state); - new_esp &= -16; /* align */ - new_esp -= sizeof (void *); /* unused room, alignment */ - new_esp -= sizeof (void *); *(void **)new_esp = cont_arg3; - new_esp -= sizeof (void *); *(void **)new_esp = cont_arg2; - new_esp -= sizeof (void *); *(void **)new_esp = cont_arg1; - new_esp -= sizeof (void *); /* make room for (unused) return address slot */ - SIGSEGV_STACK_POINTER (thread_state) = new_esp; - } -#endif - /* Point program counter to continuation to be executed. */ - SIGSEGV_PROGRAM_COUNTER (thread_state) = (unsigned long) continuation; - - /* See http://web.mit.edu/darwin/src/modules/xnu/osfmk/man/thread_set_state.html. */ - if (thread_set_state (thread, SIGSEGV_THREAD_STATE_FLAVOR, - (void *) &thread_state, state_count) - != KERN_SUCCESS) - { -#ifdef DEBUG_EXCEPTION_HANDLING - fprintf (stderr, "sigsegv_leave_handler: thread_set_state failed\n"); -#endif - return 0; - } - - return 1; - } - else - { - /* Inside stk_user_handler invocation. Stay in the same thread. */ - (*continuation) (cont_arg1, cont_arg2, cont_arg3); - return 1; - } -} - -int -stackoverflow_install_handler (stackoverflow_handler_t handler, - void *extra_stack, unsigned long extra_stack_size) -{ - if (!mach_initialized) - mach_initialized = (mach_initialize () >= 0 ? 1 : -1); - if (mach_initialized < 0) - return -1; - - stk_user_handler = handler; - stk_extra_stack = (unsigned long) extra_stack; - stk_extra_stack_size = extra_stack_size; - return 0; -} - -void -stackoverflow_deinstall_handler (void) -{ - stk_user_handler = (stackoverflow_handler_t) NULL; -} diff --git a/libsigsegv/src/handler-none.c b/libsigsegv/src/handler-none.c deleted file mode 100644 index 51a13f6f..00000000 --- a/libsigsegv/src/handler-none.c +++ /dev/null @@ -1,49 +0,0 @@ -/* Fault handler information. - Copyright (C) 1993-1999, 2002, 2008 Bruno Haible <bruno@clisp.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -#include "sigsegv.h" - -int -sigsegv_install_handler (sigsegv_handler_t handler) -{ - return -1; -} - -void -sigsegv_deinstall_handler (void) -{ -} - -int -sigsegv_leave_handler (void (*continuation) (void*, void*, void*), - void* cont_arg1, void* cont_arg2, void* cont_arg3) -{ - (*continuation) (cont_arg1, cont_arg2, cont_arg3); - return 1; -} - -int -stackoverflow_install_handler (stackoverflow_handler_t handler, - void *extra_stack, unsigned long extra_stack_size) -{ - return -1; -} - -void -stackoverflow_deinstall_handler (void) -{ -} diff --git a/libsigsegv/src/handler-unix.c b/libsigsegv/src/handler-unix.c deleted file mode 100644 index 3718eb98..00000000 --- a/libsigsegv/src/handler-unix.c +++ /dev/null @@ -1,542 +0,0 @@ -/* Fault handler information. Unix version. - Copyright (C) 1993-1999, 2002-2003, 2006, 2008 Bruno Haible <bruno@clisp.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -#include "sigsegv.h" - -/* On the average Unix platform, we define - - HAVE_SIGSEGV_RECOVERY - if there is a fault-*.h include file which defines - SIGSEGV_FAULT_HANDLER_ARGLIST and SIGSEGV_FAULT_ADDRESS. - - HAVE_STACK_OVERFLOW_RECOVERY - if HAVE_SIGALTSTACK is set and - at least two of the following are true: - A) There is a fault-*.h include file which defines - SIGSEGV_FAULT_HANDLER_ARGLIST and SIGSEGV_FAULT_ADDRESS. - B) There is a fault-*.h include file which defines - SIGSEGV_FAULT_HANDLER_ARGLIST and SIGSEGV_FAULT_STACKPOINTER. - C) There is a stackvma-*.c, other than stackvma-none.c, which - defines sigsegv_get_vma. - - Why? Obviously, to catch stack overflow, we need an alternate signal - stack; this requires kernel support. But we also need to distinguish - (with a reasonable confidence) a stack overflow from a regular SIGSEGV. - If we have A) and B), we use the - Heuristic AB: If the fault address is near the stack pointer, it's a - stack overflow. - If we have A) and C), we use the - Heuristic AC: If the fault address is near and beyond the bottom of - the stack's virtual memory area, it's a stack overflow. - If we have B) and C), we use the - Heuristic BC: If the stack pointer is near the bottom of the stack's - virtual memory area, it's a stack overflow. - This heuristic comes in two flavours: On OSes which let the stack's - VMA grow continuously, we determine the bottom by use of getrlimit(). - On OSes which preallocate the stack's VMA with its maximum size - (like BeOS), we use the stack's VMA directly. - */ - -#include <stddef.h> /* needed for NULL on SunOS4 */ -#include <stdlib.h> -#include <signal.h> -#if HAVE_SYS_SIGNAL_H -# include <sys/signal.h> -#endif -#include <errno.h> - -/* For MacOSX. */ -#ifndef SS_DISABLE -#define SS_DISABLE SA_DISABLE -#endif - -#include "fault.h" -#include CFG_SIGNALS - -#if HAVE_STACK_OVERFLOW_RECOVERY - -#include <stdio.h> /* perror */ - -#if HAVE_GETRLIMIT -# include <sys/types.h> -# include <sys/time.h> -# include <sys/resource.h> /* declares struct rlimit */ -#endif - -/* Platform dependent: - Determine the virtual memory area of a given address. */ -#include "stackvma.h" - -/* Platform dependent: - Leaving a signal handler executing on the alternate stack. */ -#include "leave.h" - -#if HAVE_STACKVMA - -/* Address of the last byte belonging to the stack vma. */ -static unsigned long stack_top = 0; - -/* Needs to be called once only. */ -static void -remember_stack_top (void *some_variable_on_stack) -{ - struct vma_struct vma; - - if (sigsegv_get_vma ((unsigned long) some_variable_on_stack, &vma) >= 0) - stack_top = vma.end - 1; -} - -#endif /* HAVE_STACKVMA */ - -static stackoverflow_handler_t stk_user_handler = (stackoverflow_handler_t)NULL; -static unsigned long stk_extra_stack; -static unsigned long stk_extra_stack_size; - -#endif /* HAVE_STACK_OVERFLOW_RECOVERY */ - -#if HAVE_SIGSEGV_RECOVERY - -/* User's SIGSEGV handler. */ -static sigsegv_handler_t user_handler = (sigsegv_handler_t)NULL; - -#endif /* HAVE_SIGSEGV_RECOVERY */ - - -/* Our SIGSEGV handler, with OS dependent argument list. */ - -#if HAVE_SIGSEGV_RECOVERY - -static void -sigsegv_handler (SIGSEGV_FAULT_HANDLER_ARGLIST) -{ - void *address = (void *) (SIGSEGV_FAULT_ADDRESS); - -#if HAVE_STACK_OVERFLOW_RECOVERY -#if !(HAVE_STACKVMA || defined SIGSEGV_FAULT_STACKPOINTER) -#error "Insufficient heuristics for detecting a stack overflow. Either define CFG_STACKVMA and HAVE_STACKVMA correctly, or define SIGSEGV_FAULT_STACKPOINTER correctly, or undefine HAVE_STACK_OVERFLOW_RECOVERY!" -#endif - - /* Call user's handler. */ - if (user_handler && (*user_handler) (address, 0)) - { - /* Handler successful. */ - } - else - { - /* Handler declined responsibility. */ - - /* Did the user install a stack overflow handler? */ - if (stk_user_handler) - { - /* See whether it was a stack overflow. If so, longjump away. */ -#ifdef SIGSEGV_FAULT_STACKPOINTER - unsigned long old_sp = (unsigned long) (SIGSEGV_FAULT_STACKPOINTER); -#ifdef __ia64 - unsigned long old_bsp = (unsigned long) (SIGSEGV_FAULT_BSP_POINTER); -#endif -#endif - -#if HAVE_STACKVMA - /* Were we able to determine the stack top? */ - if (stack_top) - { - /* Determine stack bounds. */ - int saved_errno; - struct vma_struct vma; - int ret; - - saved_errno = errno; - ret = sigsegv_get_vma (stack_top, &vma); - errno = saved_errno; - if (ret >= 0) - { - /* Heuristic AC: If the fault_address is nearer to the stack - segment's [start,end] than to the previous segment, we - consider it a stack overflow. - In the case of IA-64, we know that the previous segment - is the up-growing bsp segment, and either of the two - stacks can overflow. */ - unsigned long addr = (unsigned long) address; - -#ifdef __ia64 - if (addr >= vma.prev_end && addr <= vma.end - 1) -#else -#if STACK_DIRECTION < 0 - if (addr >= vma.start - ? (addr <= vma.end - 1) - : vma.is_near_this (addr, &vma)) -#else - if (addr <= vma.end - 1 - ? (addr >= vma.start) - : vma.is_near_this (addr, &vma)) -#endif -#endif -#else - /* Heuristic AB: If the fault address is near the stack pointer, - it's a stack overflow. */ - unsigned long addr = (unsigned long) address; - - if ((addr <= old_sp + 4096 && old_sp <= addr + 4096) -#ifdef __ia64 - || (addr <= old_bsp + 4096 && old_bsp <= addr + 4096) -#endif - ) - { - { -#endif - { -#ifdef SIGSEGV_FAULT_STACKPOINTER - int emergency = - (old_sp >= stk_extra_stack - && old_sp <= stk_extra_stack + stk_extra_stack_size); - stackoverflow_context_t context = (SIGSEGV_FAULT_CONTEXT); -#else - int emergency = 0; - stackoverflow_context_t context = (void *) 0; -#endif - /* Call user's handler. */ - (*stk_user_handler) (emergency, context); - } - } - } - } -#endif /* HAVE_STACK_OVERFLOW_RECOVERY */ - - if (user_handler && (*user_handler) (address, 1)) - { - /* Handler successful. */ - } - else - { - /* Handler declined responsibility for real. */ - - /* Remove ourselves and dump core. */ - SIGSEGV_FOR_ALL_SIGNALS (sig, signal (sig, SIG_DFL);) - } - -#if HAVE_STACK_OVERFLOW_RECOVERY - } -#endif /* HAVE_STACK_OVERFLOW_RECOVERY */ -} - -#elif HAVE_STACK_OVERFLOW_RECOVERY - -static void -#ifdef SIGSEGV_FAULT_STACKPOINTER -sigsegv_handler (SIGSEGV_FAULT_HANDLER_ARGLIST) -#else -sigsegv_handler (int sig) -#endif -{ -#if !((HAVE_GETRLIMIT && defined RLIMIT_STACK) || defined SIGSEGV_FAULT_STACKPOINTER) -#error "Insufficient heuristics for detecting a stack overflow. Either define SIGSEGV_FAULT_STACKPOINTER correctly, or undefine HAVE_STACK_OVERFLOW_RECOVERY!" -#endif - - /* Did the user install a handler? */ - if (stk_user_handler) - { - /* See whether it was a stack overflow. If so, longjump away. */ -#ifdef SIGSEGV_FAULT_STACKPOINTER - unsigned long old_sp = (unsigned long) (SIGSEGV_FAULT_STACKPOINTER); -#endif - - /* Were we able to determine the stack top? */ - if (stack_top) - { - /* Determine stack bounds. */ - int saved_errno; - struct vma_struct vma; - - saved_errno = errno; - if (sigsegv_get_vma (stack_top, &vma) >= 0) - { -#if HAVE_GETRLIMIT && defined RLIMIT_STACK - /* Heuristic BC: If the stack size has reached its maximal size, - and old_sp is near the low end, we consider it a stack - overflow. */ - struct rlimit rl; - - if (getrlimit (RLIMIT_STACK, &rl) >= 0) - { - unsigned long current_stack_size = vma.end - vma.start; - unsigned long max_stack_size = rl.rlim_cur; - if (current_stack_size <= max_stack_size + 4096 - && max_stack_size <= current_stack_size + 4096 -#else - { - if (1 -#endif -#ifdef SIGSEGV_FAULT_STACKPOINTER - /* Heuristic BC: If we know old_sp, and it is neither - near the low end, nor in the alternate stack, then - it's probably not a stack overflow. */ - && ((old_sp >= stk_extra_stack - && old_sp <= stk_extra_stack + stk_extra_stack_size) -#if STACK_DIRECTION < 0 - || (old_sp <= vma.start + 4096 - && vma.start <= old_sp + 4096)) -#else - || (old_sp <= vma.end + 4096 - && vma.end <= old_sp + 4096)) -#endif -#endif - ) - { -#ifdef SIGSEGV_FAULT_STACKPOINTER - int emergency = - (old_sp >= stk_extra_stack - && old_sp <= stk_extra_stack + stk_extra_stack_size); - stackoverflow_context_t context = (SIGSEGV_FAULT_CONTEXT); -#else - int emergency = 0; - stackoverflow_context_t context = (void *) 0; -#endif - /* Call user's handler. */ - (*stk_user_handler)(emergency,context); - } - } - } - errno = saved_errno; - } - } - - /* Remove ourselves and dump core. */ - SIGSEGV_FOR_ALL_SIGNALS (sig, signal (sig, SIG_DFL);) -} - -#endif - - -static void -install_for (int sig) -{ - struct sigaction action; - -#ifdef SIGSEGV_FAULT_ADDRESS_FROM_SIGINFO - action.sa_sigaction = &sigsegv_handler; -#else - action.sa_handler = (void (*) (int)) &sigsegv_handler; -#endif - /* Block most signals while SIGSEGV is being handled. */ - /* Signals SIGKILL, SIGSTOP cannot be blocked. */ - /* Signals SIGCONT, SIGTSTP, SIGTTIN, SIGTTOU are not blocked because - dealing with these signals seems dangerous. */ - /* Signals SIGILL, SIGABRT, SIGFPE, SIGSEGV, SIGTRAP, SIGIOT, SIGEMT, SIGBUS, - SIGSYS, SIGSTKFLT are not blocked because these are synchronous signals, - which may require immediate intervention, otherwise the process may - starve. */ - sigemptyset (&action.sa_mask); -#ifdef SIGHUP - sigaddset (&action.sa_mask,SIGHUP); -#endif -#ifdef SIGINT - sigaddset (&action.sa_mask,SIGINT); -#endif -#ifdef SIGQUIT - sigaddset (&action.sa_mask,SIGQUIT); -#endif -#ifdef SIGPIPE - sigaddset (&action.sa_mask,SIGPIPE); -#endif -#ifdef SIGALRM - sigaddset (&action.sa_mask,SIGALRM); -#endif -#ifdef SIGTERM - sigaddset (&action.sa_mask,SIGTERM); -#endif -#ifdef SIGUSR1 - sigaddset (&action.sa_mask,SIGUSR1); -#endif -#ifdef SIGUSR2 - sigaddset (&action.sa_mask,SIGUSR2); -#endif -#ifdef SIGCHLD - sigaddset (&action.sa_mask,SIGCHLD); -#endif -#ifdef SIGCLD - sigaddset (&action.sa_mask,SIGCLD); -#endif -#ifdef SIGURG - sigaddset (&action.sa_mask,SIGURG); -#endif -#ifdef SIGIO - sigaddset (&action.sa_mask,SIGIO); -#endif -#ifdef SIGPOLL - sigaddset (&action.sa_mask,SIGPOLL); -#endif -#ifdef SIGXCPU - sigaddset (&action.sa_mask,SIGXCPU); -#endif -#ifdef SIGXFSZ - sigaddset (&action.sa_mask,SIGXFSZ); -#endif -#ifdef SIGVTALRM - sigaddset (&action.sa_mask,SIGVTALRM); -#endif -#ifdef SIGPROF - sigaddset (&action.sa_mask,SIGPROF); -#endif -#ifdef SIGPWR - sigaddset (&action.sa_mask,SIGPWR); -#endif -#ifdef SIGLOST - sigaddset (&action.sa_mask,SIGLOST); -#endif -#ifdef SIGWINCH - sigaddset (&action.sa_mask,SIGWINCH); -#endif - /* Note that sigaction() implicitly adds sig itself to action.sa_mask. */ - /* Ask the OS to provide a structure siginfo_t to the handler. */ -#ifdef SIGSEGV_FAULT_ADDRESS_FROM_SIGINFO - action.sa_flags = SA_SIGINFO; -#else - action.sa_flags = 0; -#endif -#if HAVE_STACK_OVERFLOW_RECOVERY && HAVE_SIGALTSTACK /* not BeOS */ - /* Work around Linux 2.2.5 bug: If SA_ONSTACK is specified but sigaltstack() - has not been called, the kernel will busy loop, eating CPU time. So - avoid setting SA_ONSTACK until the user has requested stack overflow - handling. */ - if (stk_user_handler) - action.sa_flags |= SA_ONSTACK; -#endif - sigaction (sig, &action, (struct sigaction *) NULL); -} - -int -sigsegv_install_handler (sigsegv_handler_t handler) -{ -#if HAVE_SIGSEGV_RECOVERY - user_handler = handler; - - SIGSEGV_FOR_ALL_SIGNALS (sig, install_for (sig);) - - return 0; -#else - return -1; -#endif -} - -void -sigsegv_deinstall_handler (void) -{ -#if HAVE_SIGSEGV_RECOVERY - user_handler = (sigsegv_handler_t)NULL; - -#if HAVE_STACK_OVERFLOW_RECOVERY - if (!stk_user_handler) -#endif - { - SIGSEGV_FOR_ALL_SIGNALS (sig, signal (sig, SIG_DFL);) - } -#endif -} - -int -sigsegv_leave_handler (void (*continuation) (void*, void*, void*), - void* cont_arg1, void* cont_arg2, void* cont_arg3) -{ -#if HAVE_STACK_OVERFLOW_RECOVERY - /* - * Reset the system's knowledge that we are executing on the alternate - * stack. If we didn't do that, siglongjmp would be needed instead of - * longjmp to leave the signal handler. - */ - sigsegv_reset_onstack_flag (); -#endif - (*continuation) (cont_arg1, cont_arg2, cont_arg3); - return 1; -} - -int -stackoverflow_install_handler (stackoverflow_handler_t handler, - void *extra_stack, unsigned long extra_stack_size) -{ -#if HAVE_STACK_OVERFLOW_RECOVERY -#if HAVE_STACKVMA - if (!stack_top) - { - int dummy; - remember_stack_top (&dummy); - if (!stack_top) - return -1; - } -#endif - - stk_user_handler = handler; - stk_extra_stack = (unsigned long) extra_stack; - stk_extra_stack_size = extra_stack_size; -#ifdef __BEOS__ - set_signal_stack (extra_stack, extra_stack_size); -#else /* HAVE_SIGALTSTACK */ - { - stack_t ss; -#if SIGALTSTACK_SS_REVERSED - ss.ss_sp = (char *) extra_stack + extra_stack_size - sizeof (void *); - ss.ss_size = extra_stack_size - sizeof (void *); -#else - ss.ss_sp = extra_stack; - ss.ss_size = extra_stack_size; -#endif - ss.ss_flags = 0; /* no SS_DISABLE */ - if (sigaltstack (&ss, (stack_t*)0) < 0) - return -1; - } -#endif - - /* Install the signal handlers with SA_ONSTACK. */ - SIGSEGV_FOR_ALL_SIGNALS (sig, install_for (sig);) - return 0; -#else - return -1; -#endif -} - -void -stackoverflow_deinstall_handler (void) -{ -#if HAVE_STACK_OVERFLOW_RECOVERY - stk_user_handler = (stackoverflow_handler_t) NULL; - -#if HAVE_SIGSEGV_RECOVERY - if (user_handler) - { - /* Reinstall the signal handlers without SA_ONSTACK, to avoid Linux - bug. */ - SIGSEGV_FOR_ALL_SIGNALS (sig, install_for (sig);) - } - else -#endif - { - SIGSEGV_FOR_ALL_SIGNALS (sig, signal (sig, SIG_DFL);) - } - -#ifdef __BEOS__ - /* We cannot undo the effect of set_signal_stack. */ - fprintf (stderr, "libsigsegv (stackoverflow_deinstall_handler): not supported on this platform\n"); -#else /* HAVE_SIGALTSTACK */ - { - stack_t ss; - ss.ss_flags = SS_DISABLE; - if (sigaltstack (&ss, (stack_t *) 0) < 0) - perror ("libsigsegv (stackoverflow_deinstall_handler)"); - } -#endif - -#endif -} diff --git a/libsigsegv/src/handler-win32.c b/libsigsegv/src/handler-win32.c deleted file mode 100644 index 479bd030..00000000 --- a/libsigsegv/src/handler-win32.c +++ /dev/null @@ -1,317 +0,0 @@ -/* Fault handler information. Woe32 version. - Copyright (C) 1993-1999, 2002-2003, 2007-2008 Bruno Haible <bruno@clisp.org> - Copyright (C) 2003 Paolo Bonzini <bonzini@gnu.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -#include "sigsegv.h" - -#define WIN32_LEAN_AND_MEAN /* avoid including junk */ -#include <windows.h> -#include <winerror.h> -/* - * extern LPTOP_LEVEL_EXCEPTION_FILTER SetUnhandledExceptionFilter (LPTOP_LEVEL_EXCEPTION_FILTER TopLevelExceptionFilter); - * extern DWORD VirtualQuery (LPCVOID Address, PMEMORY_BASIC_INFORMATION Buffer, DWORD Length); - * extern BOOL VirtualProtect (LPVOID Address, DWORD Size, DWORD NewProtect, PDWORD OldProtect); - * extern DWORD GetLastError (void); - */ - -/* User's SIGSEGV handler. */ -static sigsegv_handler_t user_handler = (sigsegv_handler_t) NULL; - -/* Stack overflow handling is tricky: - First, we must catch a STATUS_STACK_OVERFLOW exception. This is signalled - when the guard page at the end of the stack has been touched. The operating - system remaps the page with protection PAGE_READWRITE and only then calls - our exception handler. Actually, it's even more complicated: The stack has - the following layout: - - | |guard|----------stack-----------| - - and when the guard page is touched, the system maps it PAGE_READWRITE and - allocates a new guard page below it: - - | |guard|-------------stack--------------| - - Only when no new guard page can be allocated (because the maximum stack - size has been reached), will we see an exception. - - |guard|-------------------------stack--------------------------| - - Second, we must reinstall the guard page. Otherwise, on the next stack - overflow, the application will simply crash (on WinNT: silently, on Win95: - with an error message box and freezing the system). - But since we don't know where %esp points to during the exception handling, - we must first leave the exception handler, before we can restore the guard - page. And %esp must be made to point to a reasonable value before we do - this. - - Note: On WinNT, the guard page has protection PAGE_READWRITE|PAGE_GUARD. - On Win95, which doesn't know PAGE_GUARD, it has protection PAGE_NOACCESS. - */ - -static stackoverflow_handler_t stk_user_handler = - (stackoverflow_handler_t) NULL; -static unsigned long stk_extra_stack; -static unsigned long stk_extra_stack_size; - -static void -stack_overflow_handler (unsigned long faulting_page_address, stackoverflow_context_t context) -{ - MEMORY_BASIC_INFORMATION info; - DWORD oldprot; - unsigned long base; - unsigned long address; - - /* First get stack's base address. */ - if (VirtualQuery ((void*) faulting_page_address, &info, sizeof (info)) - != sizeof (info)) - goto failed; - base = (unsigned long) info.AllocationBase; - - /* Now search for the first existing page. */ - address = base; - for (;;) - { - if (VirtualQuery ((void*) address, &info, sizeof (info)) != sizeof (info)) - goto failed; - if (address != (unsigned long) info.BaseAddress) - goto failed; - if (info.State != MEM_FREE) - { - if ((unsigned long) info.AllocationBase != base) - goto failed; - if (info.State == MEM_COMMIT) - break; - } - address = (unsigned long) info.BaseAddress + info.RegionSize; - } - - /* Now add the PAGE_GUARD bit to the first existing page. */ - /* On WinNT this works... */ - if (VirtualProtect (info.BaseAddress, 0x1000, info.Protect | PAGE_GUARD, - &oldprot)) - goto ok; - if (GetLastError () == ERROR_INVALID_PARAMETER) - /* ... but on Win95 we need this: */ - if (VirtualProtect (info.BaseAddress, 0x1000, PAGE_NOACCESS, &oldprot)) - goto ok; - failed: - for (;;) - (*stk_user_handler) (1, context); - ok: - for (;;) - (*stk_user_handler) (0, context); -} - -/* This is the stack overflow and page fault handler. */ -static LONG WINAPI -main_exception_filter (EXCEPTION_POINTERS *ExceptionInfo) -{ - if ((stk_user_handler - && ExceptionInfo->ExceptionRecord->ExceptionCode == STATUS_STACK_OVERFLOW - ) - || - (user_handler != (sigsegv_handler_t)NULL - && ExceptionInfo->ExceptionRecord->ExceptionCode == EXCEPTION_ACCESS_VIOLATION - )) - { -#if 0 /* for debugging only */ - printf ("Exception!\n"); - printf ("Code = 0x%x\n", - ExceptionInfo->ExceptionRecord->ExceptionCode); - printf ("Flags = 0x%x\n", - ExceptionInfo->ExceptionRecord->ExceptionFlags); - printf ("Address = 0x%x\n", - ExceptionInfo->ExceptionRecord->ExceptionAddress); - printf ("Params:"); - { - DWORD i; - for (i = 0; i < ExceptionInfo->ExceptionRecord->NumberParameters; i++) - printf (" 0x%x,", - ExceptionInfo->ExceptionRecord->ExceptionInformation[i]); - } - printf ("\n"); - printf ("Registers:\n"); - printf ("eip = 0x%x\n", ExceptionInfo->ContextRecord->Eip); - printf ("eax = 0x%x, ", ExceptionInfo->ContextRecord->Eax); - printf ("ebx = 0x%x, ", ExceptionInfo->ContextRecord->Ebx); - printf ("ecx = 0x%x, ", ExceptionInfo->ContextRecord->Ecx); - printf ("edx = 0x%x\n", ExceptionInfo->ContextRecord->Edx); - printf ("esi = 0x%x, ", ExceptionInfo->ContextRecord->Esi); - printf ("edi = 0x%x, ", ExceptionInfo->ContextRecord->Edi); - printf ("ebp = 0x%x, ", ExceptionInfo->ContextRecord->Ebp); - printf ("esp = 0x%x\n", ExceptionInfo->ContextRecord->Esp); -#endif - if (ExceptionInfo->ExceptionRecord->NumberParameters == 2) - { - if (stk_user_handler - && ExceptionInfo->ExceptionRecord->ExceptionCode == STATUS_STACK_OVERFLOW) - { - char *address = (char *) ExceptionInfo->ExceptionRecord->ExceptionInformation[1]; - /* Restart the program, giving it a sane value for %esp. - At the same time, copy the contents of - ExceptionInfo->ContextRecord (which, on Windows XP, happens - to be allocated in the guard page, where it will be - inaccessible as soon as we restore the PAGE_GUARD bit!) to - this new stack. */ - unsigned long faulting_page_address = (unsigned long)address & -0x1000; - unsigned long new_safe_esp = ((stk_extra_stack + stk_extra_stack_size) & -16); - CONTEXT *orig_context = ExceptionInfo->ContextRecord; - CONTEXT *safe_context = (CONTEXT *) (new_safe_esp -= sizeof (CONTEXT)); /* make room */ - memcpy (safe_context, orig_context, sizeof (CONTEXT)); - new_safe_esp -= 8; /* make room for arguments */ - new_safe_esp &= -16; /* align */ - new_safe_esp -= 4; /* make room for (unused) return address slot */ - ExceptionInfo->ContextRecord->Esp = new_safe_esp; - /* Call stack_overflow_handler(faulting_page_address,safe_context). */ - ExceptionInfo->ContextRecord->Eip = (unsigned long)&stack_overflow_handler; - *(unsigned long *)(new_safe_esp + 4) = faulting_page_address; - *(unsigned long *)(new_safe_esp + 8) = (unsigned long) safe_context; - return EXCEPTION_CONTINUE_EXECUTION; - } - if (user_handler != (sigsegv_handler_t) NULL - && ExceptionInfo->ExceptionRecord->ExceptionCode == EXCEPTION_ACCESS_VIOLATION) - { - /* ExceptionInfo->ExceptionRecord->ExceptionInformation[0] is 1 - if it's a write access, 0 if it's a read access. But we don't - need this info because we don't have it on Unix either. */ - void *address = (void *) ExceptionInfo->ExceptionRecord->ExceptionInformation[1]; - if ((*user_handler) (address, 1)) - return EXCEPTION_CONTINUE_EXECUTION; - } - } - } - return EXCEPTION_CONTINUE_SEARCH; -} - -#if defined __CYGWIN__ && defined __i386__ - -/* In Cygwin programs, SetUnhandledExceptionFilter has no effect because Cygwin - installs a global exception handler. We have to dig deep in order to install - our main_exception_filter. */ - -/* Data structures for the current thread's exception handler chain. - On the x86 Windows uses register fs, offset 0 to point to the current - exception handler; Cygwin mucks with it, so we must do the same... :-/ */ - -/* Magic taken from winsup/cygwin/include/exceptions.h. */ - -struct exception_list - { - struct exception_list *prev; - int (*handler) (EXCEPTION_RECORD *, void *, CONTEXT *, void *); - }; -typedef struct exception_list exception_list; - -/* Magic taken from winsup/cygwin/exceptions.cc. */ - -__asm__ (".equ __except_list,0"); - -extern exception_list *_except_list __asm__ ("%fs:__except_list"); - -/* For debugging. _except_list is not otherwise accessible from gdb. */ -static exception_list * -debug_get_except_list () -{ - return _except_list; -} - -/* Cygwin's original exception handler. */ -static int (*cygwin_exception_handler) (EXCEPTION_RECORD *, void *, CONTEXT *, void *); - -/* Our exception handler. */ -static int -libsigsegv_exception_handler (EXCEPTION_RECORD *exception, void *frame, CONTEXT *context, void *dispatch) -{ - EXCEPTION_POINTERS ExceptionInfo; - ExceptionInfo.ExceptionRecord = exception; - ExceptionInfo.ContextRecord = context; - if (main_exception_filter (&ExceptionInfo) == EXCEPTION_CONTINUE_SEARCH) - return cygwin_exception_handler (exception, frame, context, dispatch); - else - return 0; -} - -static void -do_install_main_exception_filter () -{ - /* We cannot insert any handler into the chain, because such handlers - must lie on the stack (?). Instead, we have to replace(!) Cygwin's - global exception handler. */ - cygwin_exception_handler = _except_list->handler; - _except_list->handler = libsigsegv_exception_handler; -} - -#else - -static void -do_install_main_exception_filter () -{ - SetUnhandledExceptionFilter ((LPTOP_LEVEL_EXCEPTION_FILTER) &main_exception_filter); -} - -#endif - -static void -install_main_exception_filter () -{ - static int main_exception_filter_installed = 0; - - if (!main_exception_filter_installed) - { - do_install_main_exception_filter (); - main_exception_filter_installed = 1; - } -} - -int -sigsegv_install_handler (sigsegv_handler_t handler) -{ - user_handler = handler; - install_main_exception_filter (); - return 0; -} - -void -sigsegv_deinstall_handler (void) -{ - user_handler = (sigsegv_handler_t) NULL; -} - -int -sigsegv_leave_handler (void (*continuation) (void*, void*, void*), - void* cont_arg1, void* cont_arg2, void* cont_arg3) -{ - (*continuation) (cont_arg1, cont_arg2, cont_arg3); - return 1; -} - -int -stackoverflow_install_handler (stackoverflow_handler_t handler, - void *extra_stack, unsigned long extra_stack_size) -{ - stk_user_handler = handler; - stk_extra_stack = (unsigned long) extra_stack; - stk_extra_stack_size = extra_stack_size; - install_main_exception_filter (); - return 0; -} - -void -stackoverflow_deinstall_handler (void) -{ - stk_user_handler = (stackoverflow_handler_t) NULL; -} diff --git a/libsigsegv/src/handler.c b/libsigsegv/src/handler.c deleted file mode 100644 index 4fd1cbac..00000000 --- a/libsigsegv/src/handler.c +++ /dev/null @@ -1,20 +0,0 @@ -/* Fault handler information. - Copyright (C) 2002 Bruno Haible <bruno@clisp.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -#include "config.h" - -#include CFG_HANDLER diff --git a/libsigsegv/src/leave-none.c b/libsigsegv/src/leave-none.c deleted file mode 100644 index deeb7b89..00000000 --- a/libsigsegv/src/leave-none.c +++ /dev/null @@ -1,18 +0,0 @@ -/* Leaving a signal handler executing on the alternate stack. - Copyright (C) 2002 Bruno Haible <bruno@clisp.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -/* No need to define sigsegv_reset_onstack_flag() on this platform. */ diff --git a/libsigsegv/src/leave-nop.c b/libsigsegv/src/leave-nop.c deleted file mode 100644 index 88674bda..00000000 --- a/libsigsegv/src/leave-nop.c +++ /dev/null @@ -1,23 +0,0 @@ -/* Leaving a signal handler executing on the alternate stack. - Copyright (C) 2002 Bruno Haible <bruno@clisp.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -void -sigsegv_reset_onstack_flag (void) -{ - /* Nothing to do. sigaltstack() simply looks at the stack pointer, - therefore SS_ONSTACK is not sticky. */ -} diff --git a/libsigsegv/src/leave-setcontext.c b/libsigsegv/src/leave-setcontext.c deleted file mode 100644 index e383cf96..00000000 --- a/libsigsegv/src/leave-setcontext.c +++ /dev/null @@ -1,38 +0,0 @@ -/* Leaving a signal handler executing on the alternate stack. - Copyright (C) 2002 Bruno Haible <bruno@clisp.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -#include <signal.h> -#include <ucontext.h> - -void -sigsegv_reset_onstack_flag (void) -{ - ucontext_t uc; - - if (getcontext (&uc) >= 0) - /* getcontext returns twice. We are interested in the returned context - only the first time, i.e. when the SS_ONSTACK bit is set. */ - if (uc.uc_stack.ss_flags & SS_ONSTACK) - { - uc.uc_stack.ss_flags &= ~SS_ONSTACK; - /* Note that setcontext() does not refill uc. Therefore if - setcontext() keeps SS_ONSTACK set in the kernel, either - setcontext() will return -1 or getcontext() will return a - second time, with the SS_ONSTACK bit being cleared. */ - setcontext (&uc); - } -} diff --git a/libsigsegv/src/leave-sigaltstack.c b/libsigsegv/src/leave-sigaltstack.c deleted file mode 100644 index 39749a55..00000000 --- a/libsigsegv/src/leave-sigaltstack.c +++ /dev/null @@ -1,39 +0,0 @@ -/* Leaving a signal handler executing on the alternate stack. - Copyright (C) 2002-2003 Bruno Haible <bruno@clisp.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -#include <stddef.h> -#include <signal.h> -#if HAVE_SYS_SIGNAL_H -# include <sys/signal.h> -#endif - -/* For MacOSX. */ -#ifndef SS_ONSTACK -#define SS_ONSTACK SA_ONSTACK -#endif - -void -sigsegv_reset_onstack_flag (void) -{ - stack_t ss; - - if (sigaltstack (NULL, &ss) >= 0) - { - ss.ss_flags &= ~SS_ONSTACK; - sigaltstack (&ss, NULL); - } -} diff --git a/libsigsegv/src/leave.c b/libsigsegv/src/leave.c deleted file mode 100644 index e7d7024a..00000000 --- a/libsigsegv/src/leave.c +++ /dev/null @@ -1,20 +0,0 @@ -/* Leaving a signal handler executing on the alternate stack. - Copyright (C) 2002 Bruno Haible <bruno@clisp.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -#include "config.h" - -#include CFG_LEAVE diff --git a/libsigsegv/src/leave.h b/libsigsegv/src/leave.h deleted file mode 100644 index 9a279c76..00000000 --- a/libsigsegv/src/leave.h +++ /dev/null @@ -1,18 +0,0 @@ -/* Leaving a signal handler executing on the alternate stack. - Copyright (C) 2002 Bruno Haible <bruno@clisp.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -extern void sigsegv_reset_onstack_flag (void); diff --git a/libsigsegv/src/machfault-macos.h b/libsigsegv/src/machfault-macos.h deleted file mode 100644 index 3fb49d7b..00000000 --- a/libsigsegv/src/machfault-macos.h +++ /dev/null @@ -1,120 +0,0 @@ -/* Fault handler information. MacOSX version (both PowerPC and i386). - Copyright (C) 2003-2004, 2006-2008 Bruno Haible <bruno@clisp.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -#if defined __ppc__ || defined __ppc64__ - -#if defined __ppc64__ -/* 64 bit registers */ - -#define SIGSEGV_EXC_STATE_TYPE ppc_exception_state64_t -#define SIGSEGV_EXC_STATE_FLAVOR PPC_EXCEPTION_STATE64 -#define SIGSEGV_EXC_STATE_COUNT PPC_EXCEPTION_STATE64_COUNT -#define SIGSEGV_THREAD_STATE_TYPE ppc_thread_state64_t -#define SIGSEGV_THREAD_STATE_FLAVOR PPC_THREAD_STATE64 -#define SIGSEGV_THREAD_STATE_COUNT PPC_THREAD_STATE64_COUNT - -#else -/* 32 bit registers */ - -#define SIGSEGV_EXC_STATE_TYPE ppc_exception_state_t -#define SIGSEGV_EXC_STATE_FLAVOR PPC_EXCEPTION_STATE -#define SIGSEGV_EXC_STATE_COUNT PPC_EXCEPTION_STATE_COUNT -#define SIGSEGV_THREAD_STATE_TYPE ppc_thread_state_t -#define SIGSEGV_THREAD_STATE_FLAVOR PPC_THREAD_STATE -#define SIGSEGV_THREAD_STATE_COUNT PPC_THREAD_STATE_COUNT - -#endif - -#if MacOS_X_10_5_HEADERS && __DARWIN_UNIX03 -#define SIGSEGV_FAULT_ADDRESS(thr_state,exc_state) (exc_state).__dar -#define SIGSEGV_STACK_POINTER(thr_state) (thr_state).__r1 -#define SIGSEGV_PROGRAM_COUNTER(thr_state) (thr_state).__srr0 -#define SIGSEGV_INTEGER_ARGUMENT_1(thr_state) (thr_state).__r3 -#define SIGSEGV_INTEGER_ARGUMENT_2(thr_state) (thr_state).__r4 -#define SIGSEGV_INTEGER_ARGUMENT_3(thr_state) (thr_state).__r5 -#else -#define SIGSEGV_FAULT_ADDRESS(thr_state,exc_state) (exc_state).dar -#define SIGSEGV_STACK_POINTER(thr_state) (thr_state).r1 -#define SIGSEGV_PROGRAM_COUNTER(thr_state) (thr_state).srr0 -#define SIGSEGV_INTEGER_ARGUMENT_1(thr_state) (thr_state).r3 -#define SIGSEGV_INTEGER_ARGUMENT_2(thr_state) (thr_state).r4 -#define SIGSEGV_INTEGER_ARGUMENT_3(thr_state) (thr_state).r5 -#endif - -#endif - -#if defined __i386__ || defined __x86_64__ - -#if defined __x86_64__ -/* 64 bit registers */ - -#define SIGSEGV_THREAD_STATE_TYPE x86_thread_state64_t -#define SIGSEGV_THREAD_STATE_FLAVOR x86_THREAD_STATE64 -#define SIGSEGV_THREAD_STATE_COUNT x86_THREAD_STATE64_COUNT -#define SIGSEGV_EXC_STATE_TYPE x86_exception_state64_t -#define SIGSEGV_EXC_STATE_FLAVOR x86_EXCEPTION_STATE64 -#define SIGSEGV_EXC_STATE_COUNT x86_EXCEPTION_STATE64_COUNT -#if MacOS_X_10_5_HEADERS && __DARWIN_UNIX03 -#define SIGSEGV_FAULT_ADDRESS(thr_state,exc_state) (exc_state).__faultvaddr -#define SIGSEGV_STACK_POINTER(thr_state) (thr_state).__rsp -#define SIGSEGV_PROGRAM_COUNTER(thr_state) (thr_state).__rip -#define SIGSEGV_FRAME_POINTER(thr_state) (thr_state).__rbp -#define SIGSEGV_INTEGER_ARGUMENT_1(thr_state) (thr_state).__rdi -#define SIGSEGV_INTEGER_ARGUMENT_2(thr_state) (thr_state).__rsi -#define SIGSEGV_INTEGER_ARGUMENT_3(thr_state) (thr_state).__rdx -#else -#define SIGSEGV_FAULT_ADDRESS(thr_state,exc_state) (exc_state).faultvaddr -#define SIGSEGV_STACK_POINTER(thr_state) (thr_state).rsp -#define SIGSEGV_PROGRAM_COUNTER(thr_state) (thr_state).rip -#define SIGSEGV_FRAME_POINTER(thr_state) (thr_state).rbp -#define SIGSEGV_INTEGER_ARGUMENT_1(thr_state) (thr_state).rdi -#define SIGSEGV_INTEGER_ARGUMENT_2(thr_state) (thr_state).rsi -#define SIGSEGV_INTEGER_ARGUMENT_3(thr_state) (thr_state).rdx -#endif - -#else -/* 32 bit registers */ - -#if defined x86_THREAD_STATE32 -/* MacOS X 10.5 or newer introduces the new names and deprecates the old ones */ -#define SIGSEGV_THREAD_STATE_TYPE x86_thread_state32_t -#define SIGSEGV_THREAD_STATE_FLAVOR x86_THREAD_STATE32 -#define SIGSEGV_THREAD_STATE_COUNT x86_THREAD_STATE32_COUNT -#define SIGSEGV_EXC_STATE_TYPE x86_exception_state32_t -#define SIGSEGV_EXC_STATE_FLAVOR x86_EXCEPTION_STATE32 -#define SIGSEGV_EXC_STATE_COUNT x86_EXCEPTION_STATE32_COUNT -#else -#define SIGSEGV_THREAD_STATE_TYPE i386_thread_state_t -#define SIGSEGV_THREAD_STATE_FLAVOR i386_THREAD_STATE -#define SIGSEGV_THREAD_STATE_COUNT i386_THREAD_STATE_COUNT -#define SIGSEGV_EXC_STATE_TYPE i386_exception_state_t -#define SIGSEGV_EXC_STATE_FLAVOR i386_EXCEPTION_STATE -#define SIGSEGV_EXC_STATE_COUNT i386_EXCEPTION_STATE_COUNT -#endif -#if MacOS_X_10_5_HEADERS && __DARWIN_UNIX03 -#define SIGSEGV_FAULT_ADDRESS(thr_state,exc_state) (exc_state).__faultvaddr -#define SIGSEGV_STACK_POINTER(thr_state) (thr_state).__esp -#define SIGSEGV_PROGRAM_COUNTER(thr_state) (thr_state).__eip -#else -#define SIGSEGV_FAULT_ADDRESS(thr_state,exc_state) (exc_state).faultvaddr -#define SIGSEGV_STACK_POINTER(thr_state) (thr_state).esp -#define SIGSEGV_PROGRAM_COUNTER(thr_state) (thr_state).eip -#endif - -#endif - -#endif diff --git a/libsigsegv/src/machfault.h b/libsigsegv/src/machfault.h deleted file mode 100644 index fd182a05..00000000 --- a/libsigsegv/src/machfault.h +++ /dev/null @@ -1,54 +0,0 @@ -/* Fault handler information. - Copyright (C) 2004 Bruno Haible <bruno@clisp.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -/* The included file defines: - - SIGSEGV_EXC_STATE_TYPE - is a type containing state describing details of an exception, - excluding the thread state. - SIGSEGV_EXC_STATE_FLAVOR - is a macro expanding to a constant int value denoting the - SIGSEGV_EXC_STATE_TYPE type. - SIGSEGV_EXC_STATE_COUNT - is a macro expanding to the number of words of the - SIGSEGV_EXC_STATE_TYPE type. - - SIGSEGV_THREAD_STATE_TYPE - is a type containing the state of a (stopped or interrupted) thread. - SIGSEGV_THREAD_STATE_FLAVOR - is a macro expanding to a constant int value denoting the - SIGSEGV_THREAD_STATE_TYPE type. - SIGSEGV_THREAD_STATE_COUNT - is a macro expanding to the number of words of the - SIGSEGV_THREAD_STATE_TYPE type. - - SIGSEGV_FAULT_ADDRESS(thr_state, exc_state) - is a macro for fetching the fault address. - - SIGSEGV_STACK_POINTER(thr_state) - is a macro, expanding to an lvalue, for fetching the stackpointer at - the moment the fault occurred, and for setting the stackpointer in - effect when the thread continues. - - SIGSEGV_PROGRAM_COUNTER(thr_state) - is a macro, expanding to an lvalue, for fetching the program counter - (= instruction pointer) at the moment the fault occurred, and for - setting the program counter before letting the thread continue. - - */ - -#include CFG_MACHFAULT diff --git a/libsigsegv/src/signals-bsd.h b/libsigsegv/src/signals-bsd.h deleted file mode 100644 index 4b57f069..00000000 --- a/libsigsegv/src/signals-bsd.h +++ /dev/null @@ -1,21 +0,0 @@ -/* List of signals. BSD version. - Copyright (C) 2002 Bruno Haible <bruno@clisp.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -/* List of signals that are sent when an invalid virtual memory address - is accessed, or when the stack overflows. */ -#define SIGSEGV_FOR_ALL_SIGNALS(var,body) \ - { int var; var = SIGSEGV; { body } var = SIGBUS; { body } } diff --git a/libsigsegv/src/signals-hpux.h b/libsigsegv/src/signals-hpux.h deleted file mode 100644 index 0061d21c..00000000 --- a/libsigsegv/src/signals-hpux.h +++ /dev/null @@ -1,21 +0,0 @@ -/* List of signals. HP-UX version. - Copyright (C) 2002 Bruno Haible <bruno@clisp.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -/* List of signals that are sent when an invalid virtual memory address - is accessed, or when the stack overflows. */ -#define SIGSEGV_FOR_ALL_SIGNALS(var,body) \ - { int var; var = SIGSEGV; { body } var = SIGBUS; { body } } diff --git a/libsigsegv/src/signals-hurd.h b/libsigsegv/src/signals-hurd.h deleted file mode 100644 index b191fe4d..00000000 --- a/libsigsegv/src/signals-hurd.h +++ /dev/null @@ -1,21 +0,0 @@ -/* List of signals. Hurd version. - Copyright (C) 2002 Bruno Haible <bruno@clisp.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -/* List of signals that are sent when an invalid virtual memory address - is accessed, or when the stack overflows. */ -#define SIGSEGV_FOR_ALL_SIGNALS(var,body) \ - { int var; var = SIGSEGV; { body } var = SIGBUS; { body } } diff --git a/libsigsegv/src/signals-macos.h b/libsigsegv/src/signals-macos.h deleted file mode 100644 index a9fc9a81..00000000 --- a/libsigsegv/src/signals-macos.h +++ /dev/null @@ -1,24 +0,0 @@ -/* List of signals. MacOSX version. - Copyright (C) 2002 Bruno Haible <bruno@clisp.org> - Copyright (C) 2003 Paolo Bonzini <bonzini@gnu.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -/* List of signals that are sent when an invalid virtual memory address - is accessed, or when the stack overflows. - On MacOS X, accessing an invalid memory address gives a SIGBUS, but a - stack overflow gives a SIGSEGV. */ -#define SIGSEGV_FOR_ALL_SIGNALS(var,body) \ - { int var; var = SIGSEGV; { body } var = SIGBUS; { body } } diff --git a/libsigsegv/src/signals.h b/libsigsegv/src/signals.h deleted file mode 100644 index b6203ee5..00000000 --- a/libsigsegv/src/signals.h +++ /dev/null @@ -1,21 +0,0 @@ -/* List of signals. Generic Unix version. - Copyright (C) 2002 Bruno Haible <bruno@clisp.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -/* List of signals that are sent when an invalid virtual memory address - is accessed, or when the stack overflows. */ -#define SIGSEGV_FOR_ALL_SIGNALS(var,body) \ - { int var; var = SIGSEGV; { body } } diff --git a/libsigsegv/src/sigsegv.h.in b/libsigsegv/src/sigsegv.h.in deleted file mode 100644 index e6689d28..00000000 --- a/libsigsegv/src/sigsegv.h.in +++ /dev/null @@ -1,201 +0,0 @@ -/* Page fault handling library. - Copyright (C) 1998-1999, 2002, 2004-2008 Bruno Haible <bruno@clisp.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -#ifndef _SIGSEGV_H -#define _SIGSEGV_H - -@FAULT_CONTEXT_INCLUDE@ - -/* HAVE_SIGSEGV_RECOVERY - is defined if the system supports catching SIGSEGV. */ -#if @HAVE_SIGSEGV_RECOVERY@ -# define HAVE_SIGSEGV_RECOVERY 1 -#endif - -/* HAVE_STACK_OVERFLOW_RECOVERY - is defined if stack overflow can be caught. */ -#if @HAVE_STACK_OVERFLOW_RECOVERY@ -# define HAVE_STACK_OVERFLOW_RECOVERY 1 -#endif - - -#ifdef __cplusplus -extern "C" { -#endif - -#define LIBSIGSEGV_VERSION 0x0206 /* version number: (major<<8) + minor */ -extern int libsigsegv_version; /* Likewise */ - -/* -------------------------------------------------------------------------- */ - -/* - * The type of a global SIGSEGV handler. - * The fault address is passed as argument. - * The access type (read access or write access) is not passed; your handler - * has to know itself how to distinguish these two cases. - * The second argument is 0, meaning it could also be a stack overflow, or 1, - * meaning the handler should seriously try to fix the fault. - * The return value should be nonzero if the handler has done its job - * and no other handler should be called, or 0 if the handler declines - * responsibility for the given address. - * - * The handler is run at a moment when nothing about the global state of the - * program is known. Therefore it cannot use facilities that manipulate global - * variables or locks. In particular, it cannot use malloc(); use mmap() - * instead. It cannot use fopen(); use open() instead. Etc. All global - * variables that are accessed by the handler should be marked 'volatile'. - */ -typedef int (*sigsegv_handler_t) (void* fault_address, int serious); - -/* - * Installs a global SIGSEGV handler. - * This should be called once only, and it ignores any previously installed - * SIGSEGV handler. - * Returns 0 on success, or -1 if the system doesn't support catching SIGSEGV. - */ -extern int sigsegv_install_handler (sigsegv_handler_t handler); - -/* - * Deinstalls the global SIGSEGV handler. - * This goes back to the state where no SIGSEGV handler is installed. - */ -extern void sigsegv_deinstall_handler (void); - -#if LIBSIGSEGV_VERSION >= 0x0206 -/* - * Prepares leaving a SIGSEGV handler (through longjmp or similar means). - * Control is transferred by calling CONTINUATION with CONT_ARG1, CONT_ARG2, - * CONT_ARG3 as arguments. - * CONTINUATION must not return. - * The sigsegv_leave_handler function may return if called from a SIGSEGV - * handler; its return value should be used as the handler's return value. - * The sigsegv_leave_handler function does not return if called from a - * stack overflow handler. - */ -extern int sigsegv_leave_handler (void (*continuation) (void*, void*, void*), void* cont_arg1, void* cont_arg2, void* cont_arg3); -#else /* older versions of libsigsegv */ -/* - * Prepares leaving a SIGSEGV handler (through longjmp or similar means). - * Limitation: This function could only be called once on MacOS X. - */ -extern void sigsegv_leave_handler (void); -#endif - -/* - * The type of a context passed to a stack overflow handler. - * This type is system dependent; on some platforms it is an 'ucontext_t *', - * on some platforms it is a 'struct sigcontext *', on others merely an - * opaque 'void *'. - */ -typedef @FAULT_CONTEXT@ *stackoverflow_context_t; - -/* - * The type of a stack overflow handler. - * Such a handler should perform a longjmp call in order to reduce the amount - * of stack needed. It must not return. - * The emergency argument is 0 when the stack could be repared, or 1 if the - * application should better save its state and exit now. - * - * The handler is run at a moment when nothing about the global state of the - * program is known. Therefore it cannot use facilities that manipulate global - * variables or locks. In particular, it cannot use malloc(); use mmap() - * instead. It cannot use fopen(); use open() instead. Etc. All global - * variables that are accessed by the handler should be marked 'volatile'. - */ -typedef void (*stackoverflow_handler_t) (int emergency, stackoverflow_context_t scp); - -/* - * Installs a stack overflow handler. - * The extra_stack argument is a pointer to a pre-allocated area used as a - * stack for executing the handler. It is typically allocated by use of - * `alloca' during `main'. Its size should be sufficiently large. - * The following code determines an appropriate size: - * #include <signal.h> - * #ifndef SIGSTKSZ / * glibc defines SIGSTKSZ for this purpose * / - * # define SIGSTKSZ 16384 / * on most platforms, 16 KB are sufficient * / - * #endif - * Returns 0 on success, or -1 if the system doesn't support catching stack - * overflow. - */ -extern int stackoverflow_install_handler (stackoverflow_handler_t handler, - void* extra_stack, unsigned long extra_stack_size); - -/* - * Deinstalls the stack overflow handler. - */ -extern void stackoverflow_deinstall_handler (void); - -/* -------------------------------------------------------------------------- */ - -/* - * The following structure and functions permit to define different SIGSEGV - * policies on different address ranges. - */ - -/* - * The type of a local SIGSEGV handler. - * The fault address is passed as argument. - * The second argument is fixed arbitrary user data. - * The return value should be nonzero if the handler has done its job - * and no other handler should be called, or 0 if the handler declines - * responsibility for the given address. - */ -typedef int (*sigsegv_area_handler_t) (void* fault_address, void* user_arg); - -/* - * This structure represents a table of memory areas (address range intervals), - * with an local SIGSEGV handler for each. - */ -typedef -struct sigsegv_dispatcher { - void* tree; -} -sigsegv_dispatcher; - -/* - * Initializes a sigsegv_dispatcher structure. - */ -extern void sigsegv_init (sigsegv_dispatcher* dispatcher); - -/* - * Adds a local SIGSEGV handler to a sigsegv_dispatcher structure. - * It will cover the interval [address..address+len-1]. - * Returns a "ticket" that can be used to remove the handler later. - */ -extern void* sigsegv_register (sigsegv_dispatcher* dispatcher, - void* address, unsigned long len, - sigsegv_area_handler_t handler, void* handler_arg); - -/* - * Removes a local SIGSEGV handler. - */ -extern void sigsegv_unregister (sigsegv_dispatcher* dispatcher, void* ticket); - -/* - * Call the local SIGSEGV handler responsible for the given fault address. - * Return the handler's return value. 0 means that no handler has been found, - * or that a handler was found but declined responsibility. - */ -extern int sigsegv_dispatch (sigsegv_dispatcher* dispatcher, void* fault_address); - -/* -------------------------------------------------------------------------- */ - -#ifdef __cplusplus -} -#endif - -#endif /* _SIGSEGV_H */ diff --git a/libsigsegv/src/sigsegv.h.msvc b/libsigsegv/src/sigsegv.h.msvc deleted file mode 100644 index a586b48a..00000000 --- a/libsigsegv/src/sigsegv.h.msvc +++ /dev/null @@ -1,201 +0,0 @@ -/* Page fault handling library. - Copyright (C) 1998-1999, 2002, 2004-2008 Bruno Haible <bruno@clisp.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -#ifndef _SIGSEGV_H -#define _SIGSEGV_H - -#include <windows.h> - -/* HAVE_SIGSEGV_RECOVERY - is defined if the system supports catching SIGSEGV. */ -#if 1 -# define HAVE_SIGSEGV_RECOVERY 1 -#endif - -/* HAVE_STACK_OVERFLOW_RECOVERY - is defined if stack overflow can be caught. */ -#if 1 -# define HAVE_STACK_OVERFLOW_RECOVERY 1 -#endif - - -#ifdef __cplusplus -extern "C" { -#endif - -#define LIBSIGSEGV_VERSION 0x0206 /* version number: (major<<8) + minor */ -extern int libsigsegv_version; /* Likewise */ - -/* -------------------------------------------------------------------------- */ - -/* - * The type of a global SIGSEGV handler. - * The fault address is passed as argument. - * The access type (read access or write access) is not passed; your handler - * has to know itself how to distinguish these two cases. - * The second argument is 0, meaning it could also be a stack overflow, or 1, - * meaning the handler should seriously try to fix the fault. - * The return value should be nonzero if the handler has done its job - * and no other handler should be called, or 0 if the handler declines - * responsibility for the given address. - * - * The handler is run at a moment when nothing about the global state of the - * program is known. Therefore it cannot use facilities that manipulate global - * variables or locks. In particular, it cannot use malloc(); use mmap() - * instead. It cannot use fopen(); use open() instead. Etc. All global - * variables that are accessed by the handler should be marked 'volatile'. - */ -typedef int (*sigsegv_handler_t) (void* fault_address, int serious); - -/* - * Installs a global SIGSEGV handler. - * This should be called once only, and it ignores any previously installed - * SIGSEGV handler. - * Returns 0 on success, or -1 if the system doesn't support catching SIGSEGV. - */ -extern int sigsegv_install_handler (sigsegv_handler_t handler); - -/* - * Deinstalls the global SIGSEGV handler. - * This goes back to the state where no SIGSEGV handler is installed. - */ -extern void sigsegv_deinstall_handler (void); - -#if LIBSIGSEGV_VERSION >= 0x0206 -/* - * Prepares leaving a SIGSEGV handler (through longjmp or similar means). - * Control is transferred by calling CONTINUATION with CONT_ARG1, CONT_ARG2, - * CONT_ARG3 as arguments. - * CONTINUATION must not return. - * The sigsegv_leave_handler function may return if called from a SIGSEGV - * handler; its return value should be used as the handler's return value. - * The sigsegv_leave_handler function does not return if called from a - * stack overflow handler. - */ -extern int sigsegv_leave_handler (void (*continuation) (void*, void*, void*), void* cont_arg1, void* cont_arg2, void* cont_arg3); -#else /* older versions of libsigsegv */ -/* - * Prepares leaving a SIGSEGV handler (through longjmp or similar means). - * Limitation: This function could only be called once on MacOS X. - */ -extern void sigsegv_leave_handler (void); -#endif - -/* - * The type of a context passed to a stack overflow handler. - * This type is system dependent; on some platforms it is an 'ucontext_t *', - * on some platforms it is a 'struct sigcontext *', on others merely an - * opaque 'void *'. - */ -typedef CONTEXT *stackoverflow_context_t; - -/* - * The type of a stack overflow handler. - * Such a handler should perform a longjmp call in order to reduce the amount - * of stack needed. It must not return. - * The emergency argument is 0 when the stack could be repared, or 1 if the - * application should better save its state and exit now. - * - * The handler is run at a moment when nothing about the global state of the - * program is known. Therefore it cannot use facilities that manipulate global - * variables or locks. In particular, it cannot use malloc(); use mmap() - * instead. It cannot use fopen(); use open() instead. Etc. All global - * variables that are accessed by the handler should be marked 'volatile'. - */ -typedef void (*stackoverflow_handler_t) (int emergency, stackoverflow_context_t scp); - -/* - * Installs a stack overflow handler. - * The extra_stack argument is a pointer to a pre-allocated area used as a - * stack for executing the handler. It is typically allocated by use of - * `alloca' during `main'. Its size should be sufficiently large. - * The following code determines an appropriate size: - * #include <signal.h> - * #ifndef SIGSTKSZ / * glibc defines SIGSTKSZ for this purpose * / - * # define SIGSTKSZ 16384 / * on most platforms, 16 KB are sufficient * / - * #endif - * Returns 0 on success, or -1 if the system doesn't support catching stack - * overflow. - */ -extern int stackoverflow_install_handler (stackoverflow_handler_t handler, - void* extra_stack, unsigned long extra_stack_size); - -/* - * Deinstalls the stack overflow handler. - */ -extern void stackoverflow_deinstall_handler (void); - -/* -------------------------------------------------------------------------- */ - -/* - * The following structure and functions permit to define different SIGSEGV - * policies on different address ranges. - */ - -/* - * The type of a local SIGSEGV handler. - * The fault address is passed as argument. - * The second argument is fixed arbitrary user data. - * The return value should be nonzero if the handler has done its job - * and no other handler should be called, or 0 if the handler declines - * responsibility for the given address. - */ -typedef int (*sigsegv_area_handler_t) (void* fault_address, void* user_arg); - -/* - * This structure represents a table of memory areas (address range intervals), - * with an local SIGSEGV handler for each. - */ -typedef -struct sigsegv_dispatcher { - void* tree; -} -sigsegv_dispatcher; - -/* - * Initializes a sigsegv_dispatcher structure. - */ -extern void sigsegv_init (sigsegv_dispatcher* dispatcher); - -/* - * Adds a local SIGSEGV handler to a sigsegv_dispatcher structure. - * It will cover the interval [address..address+len-1]. - * Returns a "ticket" that can be used to remove the handler later. - */ -extern void* sigsegv_register (sigsegv_dispatcher* dispatcher, - void* address, unsigned long len, - sigsegv_area_handler_t handler, void* handler_arg); - -/* - * Removes a local SIGSEGV handler. - */ -extern void sigsegv_unregister (sigsegv_dispatcher* dispatcher, void* ticket); - -/* - * Call the local SIGSEGV handler responsible for the given fault address. - * Return the handler's return value. 0 means that no handler has been found, - * or that a handler was found but declined responsibility. - */ -extern int sigsegv_dispatch (sigsegv_dispatcher* dispatcher, void* fault_address); - -/* -------------------------------------------------------------------------- */ - -#ifdef __cplusplus -} -#endif - -#endif /* _SIGSEGV_H */ diff --git a/libsigsegv/src/stackvma-beos.c b/libsigsegv/src/stackvma-beos.c deleted file mode 100644 index 3bcebac2..00000000 --- a/libsigsegv/src/stackvma-beos.c +++ /dev/null @@ -1,62 +0,0 @@ -/* Determine the virtual memory area of a given address. BeOS version. - Copyright (C) 2002, 2006 Bruno Haible <bruno@clisp.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -#include "stackvma.h" -#include <OS.h> - -#include "stackvma-simple.c" - -int -sigsegv_get_vma (unsigned long address, struct vma_struct *vma) -{ - area_info info; - int32 cookie; - unsigned long start, end; -#if STACK_DIRECTION < 0 - unsigned long prev; -#endif - -#if STACK_DIRECTION < 0 - prev = 0; -#endif - cookie = 0; - while (get_next_area_info (0, &cookie, &info) == B_OK) - { - start = (unsigned long) info.address; - end = start + info.size; - if (address >= start && address <= end - 1) - { - vma->start = start; - vma->end = end; -#if STACK_DIRECTION < 0 - vma->prev_end = prev; -#else - if (get_next_area_info (0, &cookie, &info) == B_OK) - vma->next_start = (unsigned long) info.address; - else - vma->next_start = 0; -#endif - vma->is_near_this = simple_is_near_this; - return 0; - } -#if STACK_DIRECTION < 0 - prev = end; -#endif - } - - return -1; -} diff --git a/libsigsegv/src/stackvma-freebsd.c b/libsigsegv/src/stackvma-freebsd.c deleted file mode 100644 index fd04ba85..00000000 --- a/libsigsegv/src/stackvma-freebsd.c +++ /dev/null @@ -1,118 +0,0 @@ -/* Determine the virtual memory area of a given address. FreeBSD version. - Copyright (C) 2002-2003, 2006, 2008 Bruno Haible <bruno@clisp.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -#include "stackvma.h" -#include <stdio.h> - -#include "stackvma-simple.c" -#include "stackvma-rofile.c" - -#if HAVE_MINCORE -# define sigsegv_get_vma mincore_get_vma -# define STATIC static -# include "stackvma-mincore.c" -# undef sigsegv_get_vma -#endif - -int -sigsegv_get_vma (unsigned long address, struct vma_struct *vma) -{ - struct rofile rof; - int c; - /* The stack appears as multiple adjacents segments, therefore we - merge adjacent segments. */ - unsigned long next_start, next_end, curr_start, curr_end; -#if STACK_DIRECTION < 0 - unsigned long prev_end; -#endif - - /* Open the current process' maps file. It describes one VMA per line. */ - if (rof_open (&rof, "/proc/curproc/map") < 0) - goto failed; - -#if STACK_DIRECTION < 0 - prev_end = 0; -#endif - for (curr_start = curr_end = 0; ;) - { - if (!(rof_getchar (&rof) == '0' - && rof_getchar (&rof) == 'x' - && rof_scanf_lx (&rof, &next_start) >= 0)) - break; - while (c = rof_peekchar (&rof), c == ' ' || c == '\t') - rof_getchar (&rof); - if (!(rof_getchar (&rof) == '0' - && rof_getchar (&rof) == 'x' - && rof_scanf_lx (&rof, &next_end) >= 0)) - break; - while (c = rof_getchar (&rof), c != -1 && c != '\n') - continue; - if (next_start == curr_end) - { - /* Merge adjacent segments. */ - curr_end = next_end; - } - else - { - if (curr_start < curr_end - && address >= curr_start && address <= curr_end-1) - goto found; -#if STACK_DIRECTION < 0 - prev_end = curr_end; -#endif - curr_start = next_start; curr_end = next_end; - } - } - if (address >= curr_start && address <= curr_end-1) - found: - { - vma->start = curr_start; - vma->end = curr_end; -#if STACK_DIRECTION < 0 - vma->prev_end = prev_end; -#else - if (rof_getchar (&rof) == '0' - && rof_getchar (&rof) == 'x' - && rof_scanf_lx (&rof, &vma->next_start) >= 0) - { - while (c = rof_peekchar (&rof), c == ' ' || c == '\t') - rof_getchar (&rof); - if (rof_getchar (&rof) == '0' - && rof_getchar (&rof) == 'x' - && rof_scanf_lx (&rof, &next_end) >= 0) - ; - else - vma->next_start = 0; - } - else - vma->next_start = 0; -#endif - rof_close (&rof); - vma->is_near_this = simple_is_near_this; - return 0; - } - rof_close (&rof); - failed: -#if HAVE_MINCORE - /* FreeBSD 6.[01] doesn't allow to distinguish unmapped pages from - mapped but swapped-out pages. See whether it's fixed. */ - if (!is_mapped (0)) - /* OK, mincore() appears to work as expected. */ - return mincore_get_vma (address, vma); -#endif - return -1; -} diff --git a/libsigsegv/src/stackvma-linux.c b/libsigsegv/src/stackvma-linux.c deleted file mode 100644 index 33842287..00000000 --- a/libsigsegv/src/stackvma-linux.c +++ /dev/null @@ -1,83 +0,0 @@ -/* Determine the virtual memory area of a given address. Linux version. - Copyright (C) 2002, 2006, 2008 Bruno Haible <bruno@clisp.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -#include "stackvma.h" -#include <stdio.h> - -#include "stackvma-simple.c" -#include "stackvma-rofile.c" - -#if HAVE_MINCORE -# define sigsegv_get_vma mincore_get_vma -# define STATIC static -# include "stackvma-mincore.c" -# undef sigsegv_get_vma -#endif - -int -sigsegv_get_vma (unsigned long address, struct vma_struct *vma) -{ - struct rofile rof; - int c; - unsigned long start, end; -#if STACK_DIRECTION < 0 - unsigned long prev; -#endif - - /* Open the current process' maps file. It describes one VMA per line. */ - if (rof_open (&rof, "/proc/self/maps") < 0) - goto failed; - -#if STACK_DIRECTION < 0 - prev = 0; -#endif - for (;;) - { - if (!(rof_scanf_lx (&rof, &start) >= 0 - && rof_getchar (&rof) == '-' - && rof_scanf_lx (&rof, &end) >= 0)) - break; - while (c = rof_getchar (&rof), c != -1 && c != '\n') - continue; - if (address >= start && address <= end - 1) - { - vma->start = start; - vma->end = end; -#if STACK_DIRECTION < 0 - vma->prev_end = prev; -#else - if (!(rof_scanf_lx (&rof, &vma->next_start) >= 0 - && rof_getchar (&rof) == '-' - && rof_scanf_lx (&rof, &end) >= 0)) - vma->next_start = 0; -#endif - rof_close (&rof); - vma->is_near_this = simple_is_near_this; - return 0; - } -#if STACK_DIRECTION < 0 - prev = end; -#endif - } - rof_close (&rof); - failed: -#if HAVE_MINCORE - return mincore_get_vma (address, vma); -#else - return -1; -#endif -} diff --git a/libsigsegv/src/stackvma-mach.c b/libsigsegv/src/stackvma-mach.c deleted file mode 100644 index ae309a60..00000000 --- a/libsigsegv/src/stackvma-mach.c +++ /dev/null @@ -1,119 +0,0 @@ -/* Determine the virtual memory area of a given address. Mach version. - Copyright (C) 2003, 2006 Paolo Bonzini <bonzini@gnu.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -#include "stackvma.h" -#include <stdio.h> -#ifdef HAVE_UNISTD_H -# include <unistd.h> -#endif -#include <libc.h> -#include <nlist.h> -#include <mach/mach.h> -#ifndef NeXT -#include <mach/machine/vm_param.h> -#endif - -#include "stackvma-simple.c" - -int -sigsegv_get_vma (unsigned long req_address, struct vma_struct *vma) -{ - unsigned long prev_address = 0, prev_size = 0; - unsigned long join_address = 0, join_size = 0; - int more = 1; - vm_address_t address; - vm_size_t size; - mach_port_t object_name; -#ifdef VM_REGION_BASIC_INFO - task_t task = mach_task_self (); - struct vm_region_basic_info info; - mach_msg_type_number_t info_count = VM_REGION_BASIC_INFO_COUNT; -#else - task_t task = task_self (); - vm_prot_t protection, max_protection; - vm_inherit_t inheritance; - boolean_t shared; - vm_offset_t offset; -#endif - - for (address = VM_MIN_ADDRESS; more; address += size) - { -#ifdef VM_REGION_BASIC_INFO - more = (vm_region (task, &address, &size, VM_REGION_BASIC_INFO, - (vm_region_info_t)&info, &info_count, &object_name) - == KERN_SUCCESS); -#else - more = (vm_region (task, &address, &size, &protection, &max_protection, - &inheritance, &shared, &object_name, &offset) - == KERN_SUCCESS); -#endif - if (!more) - { - address = join_address + join_size; - size = 0; - } - - if ((unsigned long) address == join_address + join_size) - join_size += size; - else - { - prev_address = join_address; - prev_size = join_size; - join_address = (unsigned long) address; - join_size = size; - } - -#ifdef VM_REGION_BASIC_INFO - if (object_name != MACH_PORT_NULL) - mach_port_deallocate (mach_task_self (), object_name); - info_count = VM_REGION_BASIC_INFO_COUNT; -#endif - -#if STACK_DIRECTION < 0 - if (join_address <= req_address && join_address + join_size > req_address) - { - vma->start = join_address; - vma->end = join_address + join_size; - vma->prev_end = prev_address + prev_size; - vma->is_near_this = simple_is_near_this; - return 0; - } -#else - if (prev_address <= req_address && prev_address + prev_size > req_address) - { - vma->start = prev_address; - vma->end = prev_address + prev_size; - vma->next_start = join_address; - vma->is_near_this = simple_is_near_this; - return 0; - } -#endif - } - -#if STACK_DIRECTION > 0 - if (join_address <= req_address && join_address + size > req_address) - { - vma->start = prev_address; - vma->end = prev_address + prev_size; - vma->next_start = ~0UL; - vma->is_near_this = simple_is_near_this; - return 0; - } -#endif - - return -1; -} diff --git a/libsigsegv/src/stackvma-mincore.c b/libsigsegv/src/stackvma-mincore.c deleted file mode 100644 index 1b51ef23..00000000 --- a/libsigsegv/src/stackvma-mincore.c +++ /dev/null @@ -1,275 +0,0 @@ -/* Determine the virtual memory area of a given address. - Copyright (C) 2006, 2008 Bruno Haible <bruno@clisp.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -/* mincore() is a system call that allows to inquire the status of a - range of pages of virtual memory. In particular, it allows to inquire - whether a page is mapped at all. - As of 2006, mincore() is supported by: possible bits: - - Linux, since Linux 2.4 and glibc 2.2, 1 - - Solaris, since Solaris 9, 1 - - MacOS X, since MacOS X 10.3 (at least), 1 - - FreeBSD, since FreeBSD 6.0, MINCORE_{INCORE,REFERENCED,MODIFIED} - - NetBSD, since NetBSD 3.0 (at least), 1 - - OpenBSD, since OpenBSD 2.6 (at least), 1 - However, while the API allows to easily determine the bounds of mapped - virtual memory, it does not make it easy the bounds of _unmapped_ virtual - memory ranges. We try to work around this, but it may still be slow. */ - -#include "stackvma.h" -#include <limits.h> -#ifdef HAVE_UNISTD_H -# include <unistd.h> -#endif -#include <sys/types.h> -#include <sys/mman.h> - -/* Cache for getpagesize(). */ -static unsigned long pagesize; - -/* Initialize pagesize. */ -static void -init_pagesize (void) -{ -#if HAVE_GETPAGESIZE - pagesize = getpagesize (); -#elif HAVE_SYSCONF_PAGESIZE - pagesize = sysconf (_SC_PAGESIZE); -#else - pagesize = PAGESIZE; -#endif -} - -/* Test whether the page starting at ADDR is among the address range. - ADDR must be a multiple of pagesize. */ -static int -is_mapped (unsigned long addr) -{ - char vec[1]; - return mincore ((void *) addr, pagesize, vec) >= 0; -} - -/* Assuming that the page starting at ADDR is among the address range, - return the start of its virtual memory range. - ADDR must be a multiple of pagesize. */ -static unsigned long -mapped_range_start (unsigned long addr) -{ - /* Use a moderately sized VEC here, small enough that it fits on the stack - (without requiring malloc). */ - char vec[2048]; - unsigned long stepsize = sizeof (vec); - - for (;;) - { - unsigned long max_remaining; - - if (addr == 0) - return addr; - - max_remaining = addr / pagesize; - if (stepsize > max_remaining) - stepsize = max_remaining; - if (mincore ((void *) (addr - stepsize * pagesize), - stepsize * pagesize, vec) < 0) - /* Time to search in smaller steps. */ - break; - /* The entire range exists. Continue searching in large steps. */ - addr -= stepsize * pagesize; - } - for (;;) - { - unsigned long halfstepsize1; - unsigned long halfstepsize2; - - if (stepsize == 1) - return addr; - - /* Here we know that less than stepsize pages exist starting at addr. */ - halfstepsize1 = (stepsize + 1) / 2; - halfstepsize2 = stepsize / 2; - /* halfstepsize1 + halfstepsize2 = stepsize. */ - - if (mincore ((void *) (addr - halfstepsize1 * pagesize), - halfstepsize1 * pagesize, vec) < 0) - stepsize = halfstepsize1; - else - { - addr -= halfstepsize1 * pagesize; - stepsize = halfstepsize2; - } - } -} - -/* Assuming that the page starting at ADDR is among the address range, - return the end of its virtual memory range + 1. - ADDR must be a multiple of pagesize. */ -static unsigned long -mapped_range_end (unsigned long addr) -{ - /* Use a moderately sized VEC here, small enough that it fits on the stack - (without requiring malloc). */ - char vec[2048]; - unsigned long stepsize = sizeof (vec); - - addr += pagesize; - for (;;) - { - unsigned long max_remaining; - - if (addr == 0) /* wrapped around? */ - return addr; - - max_remaining = (- addr) / pagesize; - if (stepsize > max_remaining) - stepsize = max_remaining; - if (mincore ((void *) addr, stepsize * pagesize, vec) < 0) - /* Time to search in smaller steps. */ - break; - /* The entire range exists. Continue searching in large steps. */ - addr += stepsize * pagesize; - } - for (;;) - { - unsigned long halfstepsize1; - unsigned long halfstepsize2; - - if (stepsize == 1) - return addr; - - /* Here we know that less than stepsize pages exist starting at addr. */ - halfstepsize1 = (stepsize + 1) / 2; - halfstepsize2 = stepsize / 2; - /* halfstepsize1 + halfstepsize2 = stepsize. */ - - if (mincore ((void *) addr, halfstepsize1 * pagesize, vec) < 0) - stepsize = halfstepsize1; - else - { - addr += halfstepsize1 * pagesize; - stepsize = halfstepsize2; - } - } -} - -/* Determine whether an address range [ADDR1..ADDR2] is completely unmapped. - ADDR1 must be <= ADDR2. */ -static int -is_unmapped (unsigned long addr1, unsigned long addr2) -{ - unsigned long count; - unsigned long stepsize; - - /* Round addr1 down. */ - addr1 = (addr1 / pagesize) * pagesize; - /* Round addr2 up and turn it into an exclusive bound. */ - addr2 = ((addr2 / pagesize) + 1) * pagesize; - - /* This is slow: mincore() does not provide a way to determine the bounds - of the gaps directly. So we have to use mincore() on individual pages - over and over again. Only after we've verified that all pages are - unmapped, we know that the range is completely unmapped. - If we were to traverse the pages from bottom to top or from top to bottom, - it would be slow even in the average case. To speed up the search, we - exploit the fact that mapped memory ranges are larger than one page on - average, therefore we have good chances of hitting a mapped area if we - traverse only every second, or only fourth page, etc. This doesn't - decrease the worst-case runtime, only the average runtime. */ - count = (addr2 - addr1) / pagesize; - /* We have to test is_mapped (addr1 + i * pagesize) for 0 <= i < count. */ - for (stepsize = 1; stepsize < count; ) - stepsize = 2 * stepsize; - for (;;) - { - unsigned long addr_stepsize; - unsigned long i; - unsigned long addr; - - stepsize = stepsize / 2; - if (stepsize == 0) - break; - addr_stepsize = stepsize * pagesize; - for (i = stepsize, addr = addr1 + addr_stepsize; - i < count; - i += 2 * stepsize, addr += 2 * addr_stepsize) - /* Here addr = addr1 + i * pagesize. */ - if (is_mapped (addr)) - return 0; - } - return 1; -} - -#if STACK_DIRECTION < 0 - -/* Info about the gap between this VMA and the previous one. - addr must be < vma->start. */ -static int -mincore_is_near_this (unsigned long addr, struct vma_struct *vma) -{ - /* vma->start - addr <= (vma->start - vma->prev_end) / 2 - is mathematically equivalent to - vma->prev_end <= 2 * addr - vma->start - <==> is_unmapped (2 * addr - vma->start, vma->start - 1). - But be careful about overflow: if 2 * addr - vma->start is negative, - we consider a tiny "guard page" mapping [0, 0] to be present around - NULL; it intersects the range (2 * addr - vma->start, vma->start - 1), - therefore return false. */ - unsigned long testaddr = addr - (vma->start - addr); - if (testaddr > addr) /* overflow? */ - return 0; - /* Here testaddr <= addr < vma->start. */ - return is_unmapped (testaddr, vma->start - 1); -} - -#endif -#if STACK_DIRECTION > 0 - -/* Info about the gap between this VMA and the next one. - addr must be > vma->end - 1. */ -static int -mincore_is_near_this (unsigned long addr, struct vma_struct *vma) -{ - /* addr - vma->end < (vma->next_start - vma->end) / 2 - is mathematically equivalent to - vma->next_start > 2 * addr - vma->end - <==> is_unmapped (vma->end, 2 * addr - vma->end). - But be careful about overflow: if 2 * addr - vma->end is > ~0UL, - we consider a tiny "guard page" mapping [0, 0] to be present around - NULL; it intersects the range (vma->end, 2 * addr - vma->end), - therefore return false. */ - unsigned long testaddr = addr + (addr - vma->end); - if (testaddr < addr) /* overflow? */ - return 0; - /* Here vma->end - 1 < addr <= testaddr. */ - return is_unmapped (vma->end, testaddr); -} - -#endif - -#ifdef STATIC -STATIC -#endif -int -sigsegv_get_vma (unsigned long address, struct vma_struct *vma) -{ - if (pagesize == 0) - init_pagesize (); - address = (address / pagesize) * pagesize; - vma->start = mapped_range_start (address); - vma->end = mapped_range_end (address); - vma->is_near_this = mincore_is_near_this; - return 0; -} diff --git a/libsigsegv/src/stackvma-none.c b/libsigsegv/src/stackvma-none.c deleted file mode 100644 index 3ffeb8e3..00000000 --- a/libsigsegv/src/stackvma-none.c +++ /dev/null @@ -1,25 +0,0 @@ -/* Determine the virtual memory area of a given address. - Copyright (C) 2002 Bruno Haible <bruno@clisp.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -#include "stackvma.h" - -int -sigsegv_get_vma (unsigned long address, struct vma_struct *vma) -{ - /* No way. */ - return -1; -} diff --git a/libsigsegv/src/stackvma-procfs.c b/libsigsegv/src/stackvma-procfs.c deleted file mode 100644 index 24c90a1a..00000000 --- a/libsigsegv/src/stackvma-procfs.c +++ /dev/null @@ -1,188 +0,0 @@ -/* Determine the virtual memory area of a given address. - Copyright (C) 2002, 2006, 2008 Bruno Haible <bruno@clisp.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -#include "stackvma.h" -#include <unistd.h> /* open, close */ -#include <fcntl.h> /* open */ -#include <sys/types.h> -#include <sys/mman.h> /* mmap, munmap */ -#include <sys/procfs.h> /* PIOC*, prmap_t */ - -#include "stackvma-simple.c" - -#if HAVE_MINCORE -# define sigsegv_get_vma mincore_get_vma -# define STATIC static -# include "stackvma-mincore.c" -# undef sigsegv_get_vma -#else -/* Cache for getpagesize(). */ -static unsigned long pagesize; -/* Initialize pagesize. */ -static void -init_pagesize (void) -{ - pagesize = getpagesize (); -} -#endif - -int -sigsegv_get_vma (unsigned long address, struct vma_struct *vma) -{ - char fnamebuf[6+10+1]; - char *fname; - int fd; - int nmaps; - size_t memneed; -#if HAVE_MMAP_ANON -# define zero_fd -1 -# define map_flags MAP_ANON -#elif HAVE_MMAP_ANONYMOUS -# define zero_fd -1 -# define map_flags MAP_ANONYMOUS -#else - int zero_fd; -# define map_flags 0 -#endif - void *auxmap; - unsigned long auxmap_start; - unsigned long auxmap_end; - prmap_t* maps; - prmap_t* mp; - unsigned long start, end; -#if STACK_DIRECTION < 0 - unsigned long prev; -#endif - - if (pagesize == 0) - init_pagesize (); - - /* Construct fname = sprintf (fnamebuf+i, "/proc/%u", getpid ()). */ - fname = fnamebuf + sizeof (fnamebuf) - 1; - *fname = '\0'; - { - unsigned int value = getpid (); - do - *--fname = (value % 10) + '0'; - while ((value = value / 10) > 0); - } - fname -= 6; - memcpy (fname, "/proc/", 6); - - fd = open (fname, O_RDONLY); - if (fd < 0) - goto failed; - - if (ioctl (fd, PIOCNMAP, &nmaps) < 0) - goto fail2; - - memneed = (nmaps + 10) * sizeof (prmap_t); - /* Allocate memneed bytes of memory. - We cannot use alloca here, because we are low on stack space. - We also cannot use malloc here, because a malloc() call may have been - interrupted. - So use mmap(), and ignore the resulting VMA. */ - memneed = ((memneed - 1) / pagesize + 1) * pagesize; -#if !(HAVE_MMAP_ANON || HAVE_MMAP_ANONYMOUS) - zero_fd = open ("/dev/zero", O_RDONLY, 0644); - if (zero_fd < 0) - goto fail2; -#endif - auxmap = (void *) mmap ((void *) 0, memneed, PROT_READ | PROT_WRITE, map_flags | MAP_PRIVATE, zero_fd, 0); -#if !(HAVE_MMAP_ANON || HAVE_MMAP_ANONYMOUS) - close (zero_fd); -#endif - if (auxmap == (void *) -1) - goto fail2; - auxmap_start = (unsigned long) auxmap; - auxmap_end = auxmap_start + memneed; - maps = (prmap_t *) auxmap; - - if (ioctl (fd, PIOCMAP, maps) < 0) - goto fail1; - -#if STACK_DIRECTION < 0 - prev = 0; -#endif - for (mp = maps;;) - { - start = (unsigned long) mp->pr_vaddr; - end = start + mp->pr_size; - if (start == 0 && end == 0) - break; - mp++; - if (start <= auxmap_start && auxmap_end - 1 <= end - 1) - { - /* Consider [start,end-1] \ [auxmap_start,auxmap_end-1] - = [start,auxmap_start-1] u [auxmap_end,end-1]. */ - if (start != auxmap_start) - { - if (address >= start && address <= auxmap_start - 1) - { - end = auxmap_start; - goto found; - } -#if STACK_DIRECTION < 0 - prev = auxmap_start; -#endif - } - if (end != auxmap_end) - { - if (address >= auxmap_end && address <= end - 1) - { - start = auxmap_end; - goto found; - } -#if STACK_DIRECTION < 0 - prev = end; -#endif - } - } - else - { - if (address >= start && address <= end - 1) - goto found; -#if STACK_DIRECTION < 0 - prev = end; -#endif - } - } - - fail1: - munmap (auxmap, memneed); - fail2: - close (fd); - failed: -#if HAVE_MINCORE - return mincore_get_vma (address, vma); -#else - return -1; -#endif - - found: - vma->start = start; - vma->end = end; -#if STACK_DIRECTION < 0 - vma->prev_end = prev; -#else - vma->next_start = (unsigned long) mp->pr_vaddr; -#endif - munmap (auxmap, memneed); - close (fd); - vma->is_near_this = simple_is_near_this; - return 0; -} diff --git a/libsigsegv/src/stackvma-rofile.c b/libsigsegv/src/stackvma-rofile.c deleted file mode 100644 index d6d19394..00000000 --- a/libsigsegv/src/stackvma-rofile.c +++ /dev/null @@ -1,121 +0,0 @@ -/* Buffered read-only streams. - Copyright (C) 2008 Bruno Haible <bruno@clisp.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -#include <errno.h> /* errno, EINTR */ -#include <fcntl.h> /* O_RDONLY */ -#include <stddef.h> /* size_t */ -#include <unistd.h> /* read, close */ - -/* Buffered read-only streams. - We cannot use <stdio.h> here, because fopen() calls malloc(), and a malloc() - call may have been interrupted. */ - -struct rofile - { - int fd; - size_t position; - size_t filled; - int eof_seen; - char buffer[4096]; - }; - -/* Open a read-only file stream. */ -static int -rof_open (struct rofile *rof, const char *filename) -{ - int fd = open (filename, O_RDONLY); - if (fd < 0) - return -1; - rof->fd = fd; - rof->position = 0; - rof->filled = 0; - rof->eof_seen = 0; - return 0; -} - -/* Return the next byte from a read-only file stream without consuming it, - or -1 at EOF. */ -static int -rof_peekchar (struct rofile *rof) -{ - if (rof->position == rof->filled) - { - if (rof->eof_seen) - return -1; - else - for (;;) - { - int n = read (rof->fd, rof->buffer, sizeof (rof->buffer)); -#ifdef EINTR - if (n < 0 && errno == EINTR) - continue; -#endif - if (n <= 0) - { - rof->eof_seen = 1; - return -1; - } - rof->filled = n; - rof->position = 0; - break; - } - } - return (unsigned char) rof->buffer[rof->position]; -} - -/* Return the next byte from a read-only file stream, or -1 at EOF. */ -static int -rof_getchar (struct rofile *rof) -{ - int c = rof_peekchar (rof); - if (c >= 0) - rof->position++; - return c; -} - -/* Parse an unsigned hexadecimal number from a read-only file stream. */ -static int -rof_scanf_lx (struct rofile *rof, unsigned long *valuep) -{ - unsigned long value = 0; - unsigned int numdigits = 0; - for (;;) - { - int c = rof_peekchar (rof); - if (c >= '0' && c <= '9') - value = (value << 4) + (c - '0'); - else if (c >= 'A' && c <= 'F') - value = (value << 4) + (c - 'A' + 10); - else if (c >= 'a' && c <= 'f') - value = (value << 4) + (c - 'a' + 10); - else - break; - rof_getchar (rof); - numdigits++; - } - if (numdigits == 0) - return -1; - *valuep = value; - return 0; -} - -/* Close a read-only file stream. */ -static void -rof_close (struct rofile *rof) -{ - close (rof->fd); -} diff --git a/libsigsegv/src/stackvma-simple.c b/libsigsegv/src/stackvma-simple.c deleted file mode 100644 index 3e800373..00000000 --- a/libsigsegv/src/stackvma-simple.c +++ /dev/null @@ -1,42 +0,0 @@ -/* Determine the virtual memory area of a given address. - Copyright (C) 2006 Bruno Haible <bruno@clisp.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -/* This file contains the proximity test function for the simple cases, where - the OS has an API for enumerating the mapped ranges of virtual memory. */ - -#if STACK_DIRECTION < 0 - -/* Info about the gap between this VMA and the previous one. - addr must be < vma->start. */ -static int -simple_is_near_this (unsigned long addr, struct vma_struct *vma) -{ - return (vma->start - addr <= (vma->start - vma->prev_end) / 2); -} - -#endif -#if STACK_DIRECTION > 0 - -/* Info about the gap between this VMA and the next one. - addr must be > vma->end - 1. */ -static int -simple_is_near_this (unsigned long addr, struct vma_struct *vma) -{ - return (addr - vma->end < (vma->next_start - vma->end) / 2); -} - -#endif diff --git a/libsigsegv/src/stackvma.c b/libsigsegv/src/stackvma.c deleted file mode 100644 index 17fd8e51..00000000 --- a/libsigsegv/src/stackvma.c +++ /dev/null @@ -1,20 +0,0 @@ -/* Determine the virtual memory area of a given address. - Copyright (C) 2002 Bruno Haible <bruno@clisp.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -#include "config.h" - -#include CFG_STACKVMA diff --git a/libsigsegv/src/stackvma.h b/libsigsegv/src/stackvma.h deleted file mode 100644 index cc475d51..00000000 --- a/libsigsegv/src/stackvma.h +++ /dev/null @@ -1,48 +0,0 @@ -/* Determine the virtual memory area of a given address. - Copyright (C) 2002, 2006 Bruno Haible <bruno@clisp.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -#ifndef _STACKVMA_H -#define _STACKVMA_H - -/* Describes a virtual memory area, with some info about the gap between - it and the next or previous virtual memory area. */ -struct vma_struct -{ - unsigned long start; - unsigned long end; -#if STACK_DIRECTION < 0 - /* Info about the gap between this VMA and the previous one. - addr must be < vma->start. */ - int (*is_near_this) (unsigned long addr, struct vma_struct *vma); - /* Private field, not provided by all sigsegv_get_vma implementations. */ - unsigned long prev_end; -#endif -#if STACK_DIRECTION > 0 - /* Info about the gap between this VMA and the next one. - addr must be > vma->end - 1. */ - int (*is_near_this) (unsigned long addr, struct vma_struct *vma); - /* Private field, not provided by all sigsegv_get_vma implementations. */ - unsigned long next_start; -#endif -}; - -/* Determines the virtual memory area to which a given address belongs, - and returns 0. Returns -1 if it cannot be determined. - This function is used to determine the stack extent when a fault occurs. */ -extern int sigsegv_get_vma (unsigned long address, struct vma_struct *vma); - -#endif /* _STACKVMA_H */ diff --git a/libsigsegv/src/version.c b/libsigsegv/src/version.c deleted file mode 100644 index 80bffce2..00000000 --- a/libsigsegv/src/version.c +++ /dev/null @@ -1,20 +0,0 @@ -/* Version number. - Copyright (C) 2005 Bruno Haible <bruno@clisp.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -#include "sigsegv.h" - -int libsigsegv_version = LIBSIGSEGV_VERSION; diff --git a/libsigsegv/tests/Makefile.am b/libsigsegv/tests/Makefile.am deleted file mode 100644 index 45615fed..00000000 --- a/libsigsegv/tests/Makefile.am +++ /dev/null @@ -1,34 +0,0 @@ -## Makefile for libsigsegv/tests. -## Copyright (C) 2002-2003, 2008-2009 Bruno Haible <bruno@clisp.org> -## -## This program is free software; you can redistribute it and/or modify -## it under the terms of the GNU General Public License as published by -## the Free Software Foundation; either version 2, or (at your option) -## any later version. -## -## This program is distributed in the hope that it will be useful, -## but WITHOUT ANY WARRANTY; without even the implied warranty of -## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -## GNU General Public License for more details. -## -## You should have received a copy of the GNU General Public License -## along with this program; if not, write to the Free Software -## Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, -## USA. - -## Process this file with automake to produce Makefile.in. - -AUTOMAKE_OPTIONS = 1.11 gnits no-dependencies color-tests - -TESTS = sigsegv1 sigsegv2 sigsegv3 stackoverflow1 stackoverflow2 - -EXTRA_DIST = mmaputil.h - -INCLUDES = -I../src -DEFS = @DEFS@ -LDADD = ../src/libsigsegv.la -noinst_PROGRAMS = sigsegv1 sigsegv2 sigsegv3 stackoverflow1 stackoverflow2 - -# The following rule is necessary to avoid a toplevel "make -n" failure. -../src/libsigsegv.la : - cd ../src && $(MAKE) libsigsegv.la diff --git a/libsigsegv/tests/Makefile.in b/libsigsegv/tests/Makefile.in deleted file mode 100644 index 91dc9e24..00000000 --- a/libsigsegv/tests/Makefile.in +++ /dev/null @@ -1,612 +0,0 @@ -# Makefile.in generated by automake 1.11 from Makefile.am. -# @configure_input@ - -# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, -# 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, -# Inc. -# This Makefile.in is free software; the Free Software Foundation -# gives unlimited permission to copy and/or distribute it, -# with or without modifications, as long as this notice is preserved. - -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY, to the extent permitted by law; without -# even the implied warranty of MERCHANTABILITY or FITNESS FOR A -# PARTICULAR PURPOSE. - -@SET_MAKE@ - -VPATH = @srcdir@ -pkgdatadir = $(datadir)/@PACKAGE@ -pkgincludedir = $(includedir)/@PACKAGE@ -pkglibdir = $(libdir)/@PACKAGE@ -pkglibexecdir = $(libexecdir)/@PACKAGE@ -am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd -install_sh_DATA = $(install_sh) -c -m 644 -install_sh_PROGRAM = $(install_sh) -c -install_sh_SCRIPT = $(install_sh) -c -INSTALL_HEADER = $(INSTALL_DATA) -transform = $(program_transform_name) -NORMAL_INSTALL = : -PRE_INSTALL = : -POST_INSTALL = : -NORMAL_UNINSTALL = : -PRE_UNINSTALL = : -POST_UNINSTALL = : -build_triplet = @build@ -host_triplet = @host@ -TESTS = sigsegv1$(EXEEXT) sigsegv2$(EXEEXT) sigsegv3$(EXEEXT) \ - stackoverflow1$(EXEEXT) stackoverflow2$(EXEEXT) -noinst_PROGRAMS = sigsegv1$(EXEEXT) sigsegv2$(EXEEXT) \ - sigsegv3$(EXEEXT) stackoverflow1$(EXEEXT) \ - stackoverflow2$(EXEEXT) -subdir = tests -DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in -ACLOCAL_M4 = $(top_srcdir)/aclocal.m4 -am__aclocal_m4_deps = $(top_srcdir)/m4/bold.m4 \ - $(top_srcdir)/m4/fault.m4 $(top_srcdir)/m4/getpagesize.m4 \ - $(top_srcdir)/m4/libtool.m4 $(top_srcdir)/m4/ltoptions.m4 \ - $(top_srcdir)/m4/ltsugar.m4 $(top_srcdir)/m4/ltversion.m4 \ - $(top_srcdir)/m4/lt~obsolete.m4 $(top_srcdir)/m4/mmap-anon.m4 \ - $(top_srcdir)/m4/relocatable.m4 \ - $(top_srcdir)/m4/sigaltstack-longjmp.m4 \ - $(top_srcdir)/m4/sigaltstack-siglongjmp.m4 \ - $(top_srcdir)/m4/sigaltstack.m4 $(top_srcdir)/configure.ac -am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \ - $(ACLOCAL_M4) -mkinstalldirs = $(install_sh) -d -CONFIG_HEADER = $(top_builddir)/config.h -CONFIG_CLEAN_FILES = -CONFIG_CLEAN_VPATH_FILES = -PROGRAMS = $(noinst_PROGRAMS) -sigsegv1_SOURCES = sigsegv1.c -sigsegv1_OBJECTS = sigsegv1.$(OBJEXT) -sigsegv1_LDADD = $(LDADD) -sigsegv1_DEPENDENCIES = ../src/libsigsegv.la -sigsegv2_SOURCES = sigsegv2.c -sigsegv2_OBJECTS = sigsegv2.$(OBJEXT) -sigsegv2_LDADD = $(LDADD) -sigsegv2_DEPENDENCIES = ../src/libsigsegv.la -sigsegv3_SOURCES = sigsegv3.c -sigsegv3_OBJECTS = sigsegv3.$(OBJEXT) -sigsegv3_LDADD = $(LDADD) -sigsegv3_DEPENDENCIES = ../src/libsigsegv.la -stackoverflow1_SOURCES = stackoverflow1.c -stackoverflow1_OBJECTS = stackoverflow1.$(OBJEXT) -stackoverflow1_LDADD = $(LDADD) -stackoverflow1_DEPENDENCIES = ../src/libsigsegv.la -stackoverflow2_SOURCES = stackoverflow2.c -stackoverflow2_OBJECTS = stackoverflow2.$(OBJEXT) -stackoverflow2_LDADD = $(LDADD) -stackoverflow2_DEPENDENCIES = ../src/libsigsegv.la -DEFAULT_INCLUDES = -I.@am__isrc@ -I$(top_builddir) -depcomp = -am__depfiles_maybe = -COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \ - $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -LTCOMPILE = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \ - --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) \ - $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -CCLD = $(CC) -LINK = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \ - --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) $(AM_LDFLAGS) \ - $(LDFLAGS) -o $@ -SOURCES = sigsegv1.c sigsegv2.c sigsegv3.c stackoverflow1.c \ - stackoverflow2.c -DIST_SOURCES = sigsegv1.c sigsegv2.c sigsegv3.c stackoverflow1.c \ - stackoverflow2.c -ETAGS = etags -CTAGS = ctags -# If stdout is a non-dumb tty, use colors. 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you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -#if defined _WIN32 && !defined __CYGWIN__ -# define HAVE_WIN32_VM -#else -# include "config.h" -#endif - -#ifdef HAVE_WIN32_VM - -/* ------------------------ Windows ------------------------ */ - -#define WIN32_LEAN_AND_MEAN /* avoid including junk */ -#include <windows.h> -#include <winerror.h> -#define PROT_NONE PAGE_NOACCESS -#define PROT_READ PAGE_READONLY -#define PROT_READ_WRITE PAGE_READWRITE - -static void * -mmap_zeromap (void *map_addr_hint, unsigned long map_len) -{ - if (VirtualAlloc ((void *)((unsigned long) map_addr_hint & -0x10000), - (((unsigned long) map_addr_hint + map_len - 1) | 0xffff) + 1 - - ((unsigned long) map_addr_hint & -0x10000), - MEM_RESERVE, PAGE_NOACCESS) - && VirtualAlloc (map_addr_hint, map_len, MEM_COMMIT, PAGE_READWRITE)) - return map_addr_hint; - else - return (void *)(-1); -} - -int munmap (void *addr, unsigned long len) -{ - if (VirtualFree (addr, len, MEM_DECOMMIT)) - return 0; - else - return -1; -} - -int mprotect (void *addr, unsigned long len, int prot) -{ - DWORD oldprot; - - if (VirtualProtect (addr, len, prot, &oldprot)) - return 0; - else - return -1; -} - -#else - -/* ------------------------ Unix ------------------------ */ - -#include <sys/types.h> -#include <sys/mman.h> - -#ifndef PROT_NONE -# define PROT_NONE 0 -#endif -#define PROT_READ_WRITE (PROT_READ|PROT_WRITE) - -#if HAVE_MMAP_ANON -# define zero_fd -1 -# define map_flags MAP_ANON | MAP_PRIVATE -#elif HAVE_MMAP_ANONYMOUS -# define zero_fd -1 -# define map_flags MAP_ANONYMOUS | MAP_PRIVATE -#elif HAVE_MMAP_DEVZERO -# include <fcntl.h> -# ifndef MAP_FILE -# define MAP_FILE 0 -# endif -static int zero_fd; -# define map_flags MAP_FILE | MAP_PRIVATE -#endif - -static void * -mmap_zeromap (void *map_addr_hint, unsigned long map_len) -{ -#ifdef __hpux - /* HP-UX 10 mmap() often fails when given a hint. So give the OS complete - freedom about the address range. */ - return (void *) mmap ((void *) 0, map_len, PROT_READ_WRITE, map_flags, zero_fd, 0); -#else - return (void *) mmap (map_addr_hint, map_len, PROT_READ_WRITE, map_flags, zero_fd, 0); -#endif -} - -#endif diff --git a/libsigsegv/tests/sigsegv1.c b/libsigsegv/tests/sigsegv1.c deleted file mode 100644 index ce006428..00000000 --- a/libsigsegv/tests/sigsegv1.c +++ /dev/null @@ -1,111 +0,0 @@ -/* Test that the handler is called, with the right fault address. - Copyright (C) 2002-2006, 2008 Bruno Haible <bruno@clisp.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -#ifndef _MSC_VER -# include <config.h> -#endif - -#include "sigsegv.h" -#include <stdio.h> - -#if HAVE_SIGSEGV_RECOVERY - -#include "mmaputil.h" -#include <stdlib.h> - -unsigned long page; - -volatile int handler_called = 0; - -int -handler (void *fault_address, int serious) -{ - handler_called++; - if (handler_called > 10) - abort (); - if (fault_address != (void *)(page + 0x678)) - abort (); - if (mprotect ((void *) page, 0x4000, PROT_READ_WRITE) == 0) - return 1; - return 0; -} - -void -crasher (unsigned long p) -{ - *(volatile int *) (p + 0x678) = 42; -} - -int -main () -{ - void *p; - - /* Preparations. */ -#if !HAVE_MMAP_ANON && !HAVE_MMAP_ANONYMOUS && HAVE_MMAP_DEVZERO - zero_fd = open ("/dev/zero", O_RDONLY, 0644); -#endif - - /* Setup some mmaped memory. */ - p = mmap_zeromap ((void *) 0x12340000, 0x4000); - if (p == (void *)(-1)) - { - fprintf (stderr, "mmap_zeromap failed.\n"); - exit (2); - } - page = (unsigned long) p; - - /* Make it read-only. */ - if (mprotect ((void *) page, 0x4000, PROT_READ) < 0) - { - fprintf (stderr, "mprotect failed.\n"); - exit (2); - } - /* Test whether it's possible to make it read-write after it was read-only. - This is not possible on Cygwin. */ - if (mprotect ((void *) page, 0x4000, PROT_READ_WRITE) < 0 - || mprotect ((void *) page, 0x4000, PROT_READ) < 0) - { - fprintf (stderr, "mprotect failed.\n"); - exit (2); - } - - /* Install the SIGSEGV handler. */ - sigsegv_install_handler (&handler); - - /* The first write access should invoke the handler and then complete. */ - crasher (page); - /* The second write access should not invoke the handler. */ - crasher (page); - - /* Check that the handler was called only once. */ - if (handler_called != 1) - exit (1); - /* Test passed! */ - printf ("Test passed.\n"); - return 0; -} - -#else - -int -main () -{ - return 77; -} - -#endif diff --git a/libsigsegv/tests/sigsegv2.c b/libsigsegv/tests/sigsegv2.c deleted file mode 100644 index 39961a6a..00000000 --- a/libsigsegv/tests/sigsegv2.c +++ /dev/null @@ -1,150 +0,0 @@ -/* Test the dispatcher. - Copyright (C) 2002-2006, 2008 Bruno Haible <bruno@clisp.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -#ifndef _MSC_VER -# include <config.h> -#endif - -#include "sigsegv.h" -#include <stdio.h> - -#if HAVE_SIGSEGV_RECOVERY - -#include "mmaputil.h" -#include <stdlib.h> - -static sigsegv_dispatcher dispatcher; - -static volatile unsigned int logcount = 0; -static volatile unsigned long logdata[10]; - -static int -area_handler (void *fault_address, void *user_arg) -{ - unsigned long area = *(unsigned long *)user_arg; - logdata[logcount++] = area; - if (logcount >= sizeof (logdata) / sizeof (logdata[0])) - abort (); - if (!((unsigned long)fault_address >= area - && (unsigned long)fault_address - area < 0x4000)) - abort (); - if (mprotect ((void *) area, 0x4000, PROT_READ_WRITE) == 0) - return 1; - return 0; -} - -static int -handler (void *fault_address, int serious) -{ - return sigsegv_dispatch (&dispatcher, fault_address); -} - -static void -barrier () -{ -} - -int -main () -{ - void *p; - unsigned long area1; - unsigned long area2; - unsigned long area3; - - /* Preparations. */ -#if !HAVE_MMAP_ANON && !HAVE_MMAP_ANONYMOUS && HAVE_MMAP_DEVZERO - zero_fd = open ("/dev/zero", O_RDONLY, 0644); -#endif - sigsegv_init (&dispatcher); - sigsegv_install_handler (&handler); - - /* Setup some mmaped memory. */ - - p = mmap_zeromap ((void *) 0x12340000, 0x4000); - if (p == (void *)(-1)) - { - fprintf (stderr, "mmap_zeromap failed.\n"); - exit (2); - } - area1 = (unsigned long) p; - sigsegv_register (&dispatcher, (void *) area1, 0x4000, &area_handler, &area1); - if (mprotect ((void *) area1, 0x4000, PROT_NONE) < 0) - { - fprintf (stderr, "mprotect failed.\n"); - exit (2); - } - - p = mmap_zeromap ((void *) 0x0BEE0000, 0x4000); - if (p == (void *)(-1)) - { - fprintf (stderr, "mmap_zeromap failed.\n"); - exit (2); - } - area2 = (unsigned long) p; - sigsegv_register (&dispatcher, (void *) area2, 0x4000, &area_handler, &area2); - if (mprotect ((void *) area2, 0x4000, PROT_READ) < 0) - { - fprintf (stderr, "mprotect failed.\n"); - exit (2); - } - if (mprotect ((void *) area2, 0x4000, PROT_READ_WRITE) < 0 - || mprotect ((void *) area2, 0x4000, PROT_READ) < 0) - { - fprintf (stderr, "mprotect failed.\n"); - exit (2); - } - - p = mmap_zeromap ((void *) 0x06990000, 0x4000); - if (p == (void *)(-1)) - { - fprintf (stderr, "mmap_zeromap failed.\n"); - exit (2); - } - area3 = (unsigned long) p; - sigsegv_register (&dispatcher, (void *) area3, 0x4000, &area_handler, &area3); - mprotect ((void *) area3, 0x4000, PROT_READ); - - /* This access should call the handler. */ - ((volatile int *)area2)[230] = 22; - /* This access should call the handler. */ - ((volatile int *)area3)[412] = 33; - /* This access should not give a signal. */ - ((volatile int *)area2)[135] = 22; - /* This access should call the handler. */ - ((volatile int *)area1)[612] = 11; - - barrier(); - - /* Check that the handler was called three times. */ - if (logcount != 3) - exit (1); - if (!(logdata[0] == area2 && logdata[1] == area3 && logdata[2] == area1)) - exit (1); - printf ("Test passed.\n"); - return 0; -} - -#else - -int -main () -{ - return 77; -} - -#endif diff --git a/libsigsegv/tests/sigsegv3.c b/libsigsegv/tests/sigsegv3.c deleted file mode 100644 index 1ea0ec40..00000000 --- a/libsigsegv/tests/sigsegv3.c +++ /dev/null @@ -1,134 +0,0 @@ -/* Test that the handler can be exited multiple times. - Copyright (C) 2002-2006, 2008 Bruno Haible <bruno@clisp.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -#ifndef _MSC_VER -# include <config.h> -#endif - -#include "sigsegv.h" -#include <stdio.h> - -#if HAVE_SIGSEGV_RECOVERY - -#if defined _WIN32 && !defined __CYGWIN__ - /* Windows doesn't have sigset_t. */ - typedef int sigset_t; -# define sigemptyset(set) -# define sigprocmask(how,set,oldset) -#endif - -#include "mmaputil.h" -#include <stdlib.h> /* for abort, exit */ -#include <signal.h> -#include <setjmp.h> - -jmp_buf mainloop; -sigset_t mainsigset; - -volatile int pass = 0; -unsigned long page; - -volatile int handler_called = 0; - -static void -handler_continuation (void *arg1, void *arg2, void *arg3) -{ - longjmp (mainloop, pass); -} - -int -handler (void *fault_address, int serious) -{ - handler_called++; - if (handler_called > 10) - abort (); - if (fault_address != (void *)(page + 0x678 + 8 * pass)) - abort (); - pass++; - printf ("Stack overflow %d caught.\n", pass); - sigprocmask (SIG_SETMASK, &mainsigset, NULL); - return sigsegv_leave_handler (handler_continuation, NULL, NULL, NULL); -} - -void -crasher (unsigned long p) -{ - *(volatile int *) (p + 0x678 + 8 * pass) = 42; -} - -int -main () -{ - sigset_t emptyset; - void *p; - - /* Preparations. */ -#if !HAVE_MMAP_ANON && !HAVE_MMAP_ANONYMOUS && HAVE_MMAP_DEVZERO - zero_fd = open ("/dev/zero", O_RDONLY, 0644); -#endif - - /* Setup some mmaped memory. */ - p = mmap_zeromap ((void *) 0x12340000, 0x4000); - if (p == (void *)(-1)) - { - fprintf (stderr, "mmap_zeromap failed.\n"); - exit (2); - } - page = (unsigned long) p; - - /* Make it read-only. */ - if (mprotect ((void *) page, 0x4000, PROT_READ) < 0) - { - fprintf (stderr, "mprotect failed.\n"); - exit (2); - } - - /* Install the SIGSEGV handler. */ - if (sigsegv_install_handler (&handler) < 0) - exit (2); - - /* Save the current signal mask. */ - sigemptyset (&emptyset); - sigprocmask (SIG_BLOCK, &emptyset, &mainsigset); - - /* Provoke two SIGSEGVs in a row. */ - switch (setjmp (mainloop)) - { - case 0: case 1: - printf ("Doing SIGSEGV pass %d.\n", pass + 1); - crasher (page); - printf ("no SIGSEGV?!\n"); exit (1); - case 2: - break; - default: - abort (); - } - - /* Test passed! */ - printf ("Test passed.\n"); - return 0; -} - -#else - -int -main () -{ - return 77; -} - -#endif diff --git a/libsigsegv/tests/stackoverflow1.c b/libsigsegv/tests/stackoverflow1.c deleted file mode 100644 index 0970e794..00000000 --- a/libsigsegv/tests/stackoverflow1.c +++ /dev/null @@ -1,147 +0,0 @@ -/* Test the stack overflow handler. - Copyright (C) 2002-2006, 2008 Bruno Haible <bruno@clisp.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -#ifndef _MSC_VER -# include <config.h> -#endif - -#include "sigsegv.h" -#include <stdio.h> -#include <limits.h> - -#if HAVE_STACK_OVERFLOW_RECOVERY - -#if defined _WIN32 && !defined __CYGWIN__ - /* Windows doesn't have sigset_t. */ - typedef int sigset_t; -# define sigemptyset(set) -# define sigprocmask(how,set,oldset) -#endif - -#include <stddef.h> /* needed for NULL on SunOS4 */ -#include <stdlib.h> /* for abort, exit */ -#include <signal.h> -#include <setjmp.h> -#if HAVE_SETRLIMIT -# include <sys/types.h> -# include <sys/time.h> -# include <sys/resource.h> -#endif -#ifndef SIGSTKSZ -# define SIGSTKSZ 16384 -#endif - -jmp_buf mainloop; -sigset_t mainsigset; - -volatile int pass = 0; - -volatile char *stack_lower_bound; -volatile char *stack_upper_bound; - -static void -stackoverflow_handler_continuation (void *arg1, void *arg2, void *arg3) -{ - int arg = (int) (long) arg1; - longjmp (mainloop, arg); -} - -void -stackoverflow_handler (int emergency, stackoverflow_context_t scp) -{ - char dummy; - volatile char *addr = &dummy; - if (!(addr >= stack_lower_bound && addr <= stack_upper_bound)) - abort (); - pass++; - printf ("Stack overflow %d caught.\n", pass); - sigprocmask (SIG_SETMASK, &mainsigset, NULL); - sigsegv_leave_handler (stackoverflow_handler_continuation, - (void *) (long) (emergency ? -1 : pass), NULL, NULL); -} - -volatile int * -recurse_1 (int n, volatile int *p) -{ - if (n < INT_MAX) - *recurse_1 (n + 1, p) += n; - return p; -} - -int -recurse (volatile int n) -{ - return *recurse_1 (n, &n); -} - -int -main () -{ - /* glibc says: Users should use SIGSTKSZ as the size of user-supplied - buffers. */ - char mystack[SIGSTKSZ]; - sigset_t emptyset; - -#if HAVE_SETRLIMIT && defined RLIMIT_STACK - /* Before starting the endless recursion, try to be friendly to the user's - machine. On some Linux 2.2.x systems, there is no stack limit for user - processes at all. We don't want to kill such systems. */ - struct rlimit rl; - rl.rlim_cur = rl.rlim_max = 0x100000; /* 1 MB */ - setrlimit (RLIMIT_STACK, &rl); -#endif - - /* Install the stack overflow handler. */ - if (stackoverflow_install_handler (&stackoverflow_handler, - mystack, sizeof (mystack)) - < 0) - exit (2); - stack_lower_bound = mystack; - stack_upper_bound = mystack + sizeof (mystack) - 1; - - /* Save the current signal mask. */ - sigemptyset (&emptyset); - sigprocmask (SIG_BLOCK, &emptyset, &mainsigset); - - /* Provoke two stack overflows in a row. */ - switch (setjmp (mainloop)) - { - case -1: - printf ("emergency exit\n"); exit (1); - case 0: case 1: - printf ("Starting recursion pass %d.\n", pass + 1); - recurse (0); - printf ("no endless recursion?!\n"); exit (1); - case 2: - break; - default: - abort (); - } - - printf ("Test passed.\n"); - exit (0); -} - -#else - -int -main () -{ - return 77; -} - -#endif diff --git a/libsigsegv/tests/stackoverflow2.c b/libsigsegv/tests/stackoverflow2.c deleted file mode 100644 index 2475bf21..00000000 --- a/libsigsegv/tests/stackoverflow2.c +++ /dev/null @@ -1,198 +0,0 @@ -/* Test that stack overflow and SIGSEGV are correctly distinguished. - Copyright (C) 2002-2006, 2008 Bruno Haible <bruno@clisp.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -#ifndef _MSC_VER -# include <config.h> -#endif - -#include "sigsegv.h" -#include <stdio.h> -#include <limits.h> - -#if HAVE_STACK_OVERFLOW_RECOVERY && HAVE_SIGSEGV_RECOVERY - -#if defined _WIN32 && !defined __CYGWIN__ - /* Windows doesn't have sigset_t. */ - typedef int sigset_t; -# define sigemptyset(set) -# define sigprocmask(how,set,oldset) -#endif - -#include "mmaputil.h" -#include <stddef.h> /* needed for NULL on SunOS4 */ -#include <stdlib.h> /* for abort, exit */ -#include <signal.h> -#include <setjmp.h> -#if HAVE_SETRLIMIT -# include <sys/types.h> -# include <sys/time.h> -# include <sys/resource.h> -#endif -#ifndef SIGSTKSZ -# define SIGSTKSZ 16384 -#endif - -jmp_buf mainloop; -sigset_t mainsigset; - -volatile int pass = 0; -unsigned long page; - -static void -stackoverflow_handler_continuation (void *arg1, void *arg2, void *arg3) -{ - int arg = (int) (long) arg1; - longjmp (mainloop, arg); -} - -void -stackoverflow_handler (int emergency, stackoverflow_context_t scp) -{ - pass++; - if (pass <= 2) - printf ("Stack overflow %d caught.\n", pass); - else - { - printf ("Segmentation violation misdetected as stack overflow.\n"); - exit (1); - } - sigprocmask (SIG_SETMASK, &mainsigset, NULL); - sigsegv_leave_handler (stackoverflow_handler_continuation, - (void *) (long) (emergency ? -1 : pass), NULL, NULL); -} - -int -sigsegv_handler (void *address, int emergency) -{ - /* This test is necessary to distinguish stack overflow and SIGSEGV. */ - if (!emergency) - return 0; - - pass++; - if (pass <= 2) - { - printf ("Stack overflow %d missed.\n", pass); - exit (1); - } - else - printf ("Segmentation violation correctly detected.\n"); - sigprocmask (SIG_SETMASK, &mainsigset, NULL); - return sigsegv_leave_handler (stackoverflow_handler_continuation, - (void *) (long) pass, NULL, NULL); -} - -volatile int * -recurse_1 (int n, volatile int *p) -{ - if (n < INT_MAX) - *recurse_1 (n + 1, p) += n; - return p; -} - -int -recurse (volatile int n) -{ - return *recurse_1 (n, &n); -} - -int -main () -{ - /* glibc says: Users should use SIGSTKSZ as the size of user-supplied - buffers. */ - char mystack[SIGSTKSZ]; - sigset_t emptyset; - void *p; - -#if HAVE_SETRLIMIT && defined RLIMIT_STACK - /* Before starting the endless recursion, try to be friendly to the user's - machine. On some Linux 2.2.x systems, there is no stack limit for user - processes at all. We don't want to kill such systems. */ - struct rlimit rl; - rl.rlim_cur = rl.rlim_max = 0x100000; /* 1 MB */ - setrlimit (RLIMIT_STACK, &rl); -#endif - - /* Install the stack overflow handler. */ - if (stackoverflow_install_handler (&stackoverflow_handler, - mystack, sizeof (mystack)) - < 0) - exit (2); - - /* Preparations. */ -#if !HAVE_MMAP_ANON && !HAVE_MMAP_ANONYMOUS && HAVE_MMAP_DEVZERO - zero_fd = open ("/dev/zero", O_RDONLY, 0644); -#endif - - /* Setup some mmaped memory. */ - p = mmap_zeromap ((void *) 0x12340000, 0x4000); - if (p == (void *)(-1)) - { - fprintf (stderr, "mmap_zeromap failed.\n"); - exit (2); - } - page = (unsigned long) p; - - /* Make it read-only. */ - if (mprotect ((void *) page, 0x4000, PROT_READ) < 0) - { - fprintf (stderr, "mprotect failed.\n"); - exit (2); - } - - /* Install the SIGSEGV handler. */ - if (sigsegv_install_handler (&sigsegv_handler) < 0) - exit (2); - - /* Save the current signal mask. */ - sigemptyset (&emptyset); - sigprocmask (SIG_BLOCK, &emptyset, &mainsigset); - - /* Provoke two stack overflows in a row. */ - switch (setjmp (mainloop)) - { - case -1: - printf ("emergency exit\n"); exit (1); - case 0: case 1: - printf ("Starting recursion pass %d.\n", pass + 1); - recurse (0); - printf ("no endless recursion?!\n"); exit (1); - case 2: - *(volatile int *) (page + 0x678) = 42; - break; - case 3: - *(volatile int *) 0 = 42; - break; - case 4: - break; - default: - abort (); - } - - printf ("Test passed.\n"); - exit (0); -} - -#else - -int -main () -{ - return 77; -} - -#endif |