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authorjakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4>2005-07-02 08:52:21 +0000
committerjakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4>2005-07-02 08:52:21 +0000
commit0d55f4d0aeaeb16629a2c07c96a190695b83a7e6 (patch)
tree1cb854702400de0149fb900c82b137e5603e222b /gcc/config/i386/linux.h
parentc656b4ab03db593f6251031bbdcf8fa2e7324ee0 (diff)
downloadgcc-0d55f4d0aeaeb16629a2c07c96a190695b83a7e6.tar.gz
* 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
Diffstat (limited to 'gcc/config/i386/linux.h')
-rw-r--r--gcc/config/i386/linux.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/gcc/config/i386/linux.h b/gcc/config/i386/linux.h
index 5f4c10d3f18..082cc958e07 100644
--- a/gcc/config/i386/linux.h
+++ b/gcc/config/i386/linux.h
@@ -185,3 +185,8 @@ Boston, MA 02110-1301, USA. */
/* This macro may be overridden in i386/k*bsd-gnu.h. */
#define REG_NAME(reg) reg
+
+#ifdef TARGET_LIBC_PROVIDES_SSP
+/* i386 glibc provides __stack_chk_guard in %gs:0x14. */
+#define TARGET_THREAD_SSP_OFFSET 0x14
+#endif