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| author | ro <ro@138bc75d-0d04-0410-961f-82ee72b054a4> | 2011-06-09 12:30:46 +0000 |
|---|---|---|
| committer | ro <ro@138bc75d-0d04-0410-961f-82ee72b054a4> | 2011-06-09 12:30:46 +0000 |
| commit | a6f0616915578a047b2f21ff19f64c2631fc799a (patch) | |
| tree | d044985af6a76f58c9fe909ce81f475be183312a /libgcc/config.host | |
| parent | c9dc79a6d057cc5fddfbc18d374da9761cd3a5c2 (diff) | |
| download | gcc-a6f0616915578a047b2f21ff19f64c2631fc799a.tar.gz | |
2011-05-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
Joseph Myers <joseph@codesourcery.com>
gcc:
* config/alpha/netbsd.h (ENABLE_EXECUTE_STACK): Remove.
(HAVE_ENABLE_EXECUTE_STACK): Define.
* config/alpha/osf5.h (ENABLE_EXECUTE_STACK): Remove.
(HAVE_ENABLE_EXECUTE_STACK): Define.
* config/darwin.h (ENABLE_EXECUTE_STACK): Remove.
(HAVE_ENABLE_EXECUTE_STACK): Define.
* config/i386/mingw32.h (MINGW_ENABLE_EXECUTE_STACK): Remove.
(ENABLE_EXECUTE_STACK): Remove.
(HAVE_ENABLE_EXECUTE_STACK): Define.
[IN_LIBGCC2]: Don't include <windows.h>.
* config/i386/netbsd-elf.h (ENABLE_EXECUTE_STACK): Remove.
(HAVE_ENABLE_EXECUTE_STACK): Define.
* config/i386/netbsd64.h (ENABLE_EXECUTE_STACK): Remove.
(HAVE_ENABLE_EXECUTE_STACK): Define.
* config/netbsd.h (NETBSD_ENABLE_EXECUTE_STACK): Remove.
* config/openbsd.h (ENABLE_EXECUTE_STACK): Remove.
(HAVE_ENABLE_EXECUTE_STACK): Define.
* config/sol2.h (ENABLE_EXECUTE_STACK): Remove.
(HAVE_ENABLE_EXECUTE_STACK): Define.
* config/sparc/freebsd.h (ENABLE_EXECUTE_STACK): Remove.
(HAVE_ENABLE_EXECUTE_STACK): Define.
* config/sparc/netbsd-elf.h (ENABLE_EXECUTE_STACK): Remove.
(HAVE_ENABLE_EXECUTE_STACK): Define.
* config/alpha/alpha.c (alpha_trampoline_init): Test
HAVE_ENABLE_EXECUTE_STACK.
* config/i386/i386.c (ix86_trampoline_init): Likewise.
* config/sparc/sparc.c (sparc32_initialize_trampoline): Likewise.
(sparc64_initialize_trampoline): Likewise.
* libgcc2.c [L_enable_execute_stack]: Remove.
* system.h (ENABLE_EXECUTE_STACK): Poison.
* doc/tm.texi.in (Trampolines, ENABLE_EXECUTE_STACK): Remove.
* doc/tm.texi: Regenerate.
* Makefile.in (LIBGCC2_CFLAGS): Add -fbuilding-libgcc.
gcc/c-family:
* c.opt (fbuilding-libgcc): New option.
* c-cppbuiltin.c (c_cpp_builtins): Define
__LIBGCC_TRAMPOLINE_SIZE__ if flag_building_libgcc.
libgcc:
* enable-execute-stack-empty.c: New file.
* enable-execute-stack-mprotect.c: New file.
* config/i386/enable-execute-stack-mingw32.c: New file.
* config.host (enable_execute_stack): New variable.
Select appropriate variants.
* configure.ac: Link enable-execute-stack.c to
$enable_execute_stack.
* configure: Regenerate.
* Makefile.in (LIB2ADD): Add enable-execute-stack.c.
(lib2funcs): Remove _enable_execute_stack.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@174843 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libgcc/config.host')
| -rw-r--r-- | libgcc/config.host | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/libgcc/config.host b/libgcc/config.host index 38b0eb3726d..c2b5dbca75c 100644 --- a/libgcc/config.host +++ b/libgcc/config.host @@ -44,6 +44,8 @@ # The default is ".hidden". # cpu_type The name of the cpu, if different from the first # chunk of the canonical host name. +# enable_execute_stack The name of a source file implementing +# __enable_execute_stack. # extra_parts List of extra object files that should be compiled # for this target machine. This may be overridden # by setting EXTRA_PARTS in a tmake_file fragment. @@ -57,6 +59,7 @@ # "$cpu_type/t-$cpu_type". asm_hidden_op=.hidden +enable_execute_stack= extra_parts= tmake_file= md_unwind_header=no-unwind.h @@ -203,6 +206,19 @@ case ${host} in esac case ${host} in +*-*-darwin* | *-*-freebsd* | *-*-netbsd* | *-*-openbsd* | *-*-solaris2* | \ + alpha*-dec-osf5.1*) + enable_execute_stack=enable-execute-stack-mprotect.c + ;; +i[34567]86-*-mingw* | x86_64-*-mingw*) + enable_execute_stack=config/i386/enable-execute-stack-mingw32.c + ;; +*) + enable_execute_stack=enable-execute-stack-empty.c; + ;; +esac + +case ${host} in # Support site-specific machine types. *local*) rest=`echo ${host} | sed -e "s/$cpu_type-//"` |