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| author | Richard Henderson <rth@redhat.com> | 2005-06-27 00:41:16 -0700 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2005-06-27 09:41:16 +0200 |
| commit | 7d69de618e732d343228a07d797a30e39a6363f4 (patch) | |
| tree | ec9a39649967b762606a254cf15ed23a12ed7401 /gcc/libgcc2.h | |
| parent | 2bcf2e2bf17d13a20c587d056f3426fda0106379 (diff) | |
| download | gcc-7d69de618e732d343228a07d797a30e39a6363f4.zip gcc-7d69de618e732d343228a07d797a30e39a6363f4.tar.gz gcc-7d69de618e732d343228a07d797a30e39a6363f4.tar.bz2 | |
c-cppbuiltin.c (c_cpp_builtins): Add __SSP_ALL__ and __SSP__.
* c-cppbuiltin.c (c_cpp_builtins): Add __SSP_ALL__ and __SSP__.
* cfgexpand.c: Include params.h.
(has_protected_decls, has_short_buffer): New.
(expand_stack_vars): Take a predicate to determine what to expand.
(defer_stack_allocation): True when flag_stack_protect on.
(SPCT_HAS_LARGE_CHAR_ARRAY, SPCT_HAS_SMALL_CHAR_ARRAY): New.
(SPCT_HAS_ARRAY, SPCT_HAS_AGGREGATE): New.
(stack_protect_classify_type, stack_protect_decl_phase): New.
(stack_protect_decl_phase_1, stack_protect_decl_phase_2): New.
(add_stack_protection_conflicts, create_stack_guard): New.
(expand_used_vars): Add stack protection logic.
(tree_expand_cfg): Likewise.
* common.opt (Wstack-protector): New.
(fstack-protector, fstack-protector-all): New.
* function.c: Include predict.h.
(assign_parm_adjust_stack_rtl): Zap stack_parm when stack protect
wants to copy the parameter into the stack frame.
(stack_protect_prologue, stack_protect_epilogue): New.
(expand_function_end): Call stack_protect_epilogue. Do
sjlj_emit_function_exit_after after naked_return_label.
* function.h (struct function): Add stack_protect_guard.
* params.def (PARAM_SSP_BUFFER_SIZE): New.
* toplev.c (process_options): Disable flag_stack_protect and/or
warn_stack_protect based on FRAME_GROWS_DOWNWARD.
* tree.h (stack_protect_prologue): Declare.
* target-def.h (TARGET_STACK_PROTECT_GUARD): New.
(TARGET_STACK_PROTECT_FAIL): New.
(TARGET_INITIALIZER): Add them.
* target.h (struct gcc_target): Add stack_protect_guard and
stack_protect_fail.
* targhooks.c: Include ggc.h, gty header.
(stack_chk_guard_decl, default_stack_protect_guard): New.
(stack_chk_fail_decl, default_external_stack_protect_fail): New.
(default_hidden_stack_protect_fail): New.
* targhooks.h (default_stack_protect_guard): Declare.
(default_external_stack_protect_fail): Declare.
(default_hidden_stack_protect_fail): Declare.
* config/i386/i386.c (TARGET_STACK_PROTECT_FAIL): New.
* config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New.
(trap): Use ud2.
(conditional_trap, conditional_trap_1): Remove.
(stack_protect_set, stack_protect_set_si, stack_protect_set_di): New.
(stack_protect_test, stack_protect_test_si, stack_protect_test_di): New.
* doc/md.texi (stack_protect_set, stack_protect_test): New.
* doc/tm.texi (TARGET_STACK_PROTECT_GUARD): New.
(TARGET_STACK_PROTECT_FAIL): New.
* 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.
From-SVN: r101348
Diffstat (limited to 'gcc/libgcc2.h')
| -rw-r--r-- | gcc/libgcc2.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/gcc/libgcc2.h b/gcc/libgcc2.h index 05901d8..cd1e47e 100644 --- a/gcc/libgcc2.h +++ b/gcc/libgcc2.h @@ -390,6 +390,11 @@ extern int __parityDI2 (UDWtype); extern void __enable_execute_stack (void *); +extern void *__stack_chk_guard; +extern void __stack_chk_fail (void) __attribute__ ((__noreturn__)); +extern void __stack_chk_fail_local (void) + __attribute__ ((__noreturn__)) ATTRIBUTE_HIDDEN; + #ifndef HIDE_EXPORTS #pragma GCC visibility pop #endif |