* Makefile.def (target_modules): Add libssp.

	* configure.in (target_libraries): Add target-libssp.
	* configure: Rebuilt.
	* Makefile.in: Rebuilt.
gcc/
	* gcc.c (LINK_SSP_SPEC): Define.
	(link_ssp_spec): New variable.
	(LINK_COMMAND_SPEC): Add %(link_ssp).
	(static_specs): Add link_ssp_spec.
	* configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
	* configure: Rebuilt.
	* config.in: Rebuilt.

	* config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
	* config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
	* config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
	* config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
	* config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
	If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
	-0x7008(2) instead of reading __stack_chk_guard variable.
	* config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
	number.
	(UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
	(stack_protect_set, stack_protect_test): Use *_tls* patterns
	if TARGET_THREAD_SSP_OFFSET is defined.
	(stack_tls_protect_set_si, stack_tls_protect_set_di,
	stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.

	Revert:
	2005-06-27  Richard Henderson  <rth@redhat.com>
	* libgcc-std.ver (GCC_4.1.0): New.
	* libgcc.h (__stack_chk_guard): Declare.
	(__stack_chk_fail, __stack_chk_fail_local): Declare.
	* libgcc2.c (L_stack_chk, L_stack_chk_local): New.
	* mklibgcc.in (lib2funcs): Add them.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@101531 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 66 insertions, 0 deletions

diff --git a/libssp/ssp/ssp.h.in b/libssp/ssp/ssp.h.in
new file mode 100644
index 00000000000..2ce13e9d7b8
--- /dev/null
+++ b/libssp/ssp/ssp.h.in
@@ -0,0 +1,66 @@
+/* Object size checking support macros.
+   Copyright (C) 2004, 2005 Free Software Foundation, Inc.
+
+This file is part of GCC.
+
+GCC 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.
+
+In addition to the permissions in the GNU General Public License, the
+Free Software Foundation gives you unlimited permission to link the
+compiled version of this file into combinations with other programs,
+and to distribute those combinations without any restriction coming
+from the use of this file.  (The General Public License restrictions
+do apply in other respects; for example, they cover modification of
+the file, and distribution when not linked into a combine
+executable.)
+
+GCC 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 GCC; see the file COPYING.  If not, write to the Free
+Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+02111-1307, USA.  */
+
+/* As a special exception, if you link this library with files compiled with
+   GCC to produce an executable, this does not cause the resulting executable
+   to be covered by the GNU General Public License. This exception does not
+   however invalidate any other reasons why the executable file might be
+   covered by the GNU General Public License.  */
+
+#ifndef _SSP_H
+#define _SSP_H 1
+
+#if _FORTIFY_SOURCE > 0 && __OPTIMIZE__ > 0 \
+    && defined __GNUC__ \
+    && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 1)) \
+    && !defined __cplusplus
+# if _FORTIFY_SOURCE == 1
+#  define __SSP_FORTIFY_LEVEL 1
+# elif _FORTIFY_SOURCE > 1
+#  define __SSP_FORTIFY_LEVEL 2
+# endif
+#endif
+
+#if __SSP_FORTIFY_LEVEL > 0
+# include <stddef.h>
+# define __ssp_bos(ptr) __builtin_object_size (ptr, __SSP_FORTIFY_LEVEL > 1)
+# define __ssp_bos0(ptr) __builtin_object_size (ptr, 0)
+
+# define __SSP_REDIRECT(name, proto, alias) \
+  name proto __asm__ (__SSP_ASMNAME (#alias))
+# define __SSP_ASMNAME(cname)  __SSP_ASMNAME2 (__USER_LABEL_PREFIX__, cname)
+# define __SSP_ASMNAME2(prefix, cname) __SSP_ASMNAME3 (prefix) cname
+# define __SSP_ASMNAME3(prefix) #prefix
+
+# @ssp_have_usable_vsnprintf@ __SSP_HAVE_VSNPRINTF
+
+extern void __chk_fail (void) __attribute__((__noreturn__));
+#endif
+
+#endif /* _SSP_H */