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| author | Thomas Schwinge <thomas@codesourcery.com> | 2013-12-20 09:29:29 +0100 |
|---|---|---|
| committer | Thomas Schwinge <thomas@codesourcery.com> | 2013-12-20 09:29:29 +0100 |
| commit | a65dd355fb80a05215e15ae97649de52aec885e3 (patch) | |
| tree | 81701bb0c6b648630f2bf1729a85d7f5eb49e67b /sysdeps/x86_64/stackguard-macros.h | |
| parent | 296a5732f94abe4d5699dc981e4ccfb950b48cee (diff) | |
| parent | b4578bab30f72cddd2cf38abfb39f9c8dc892249 (diff) | |
Merge branch 'baseline' into refs/top-bases/tschwinge/Roger_Whittaker
Diffstat (limited to 'sysdeps/x86_64/stackguard-macros.h')
| -rw-r--r-- | sysdeps/x86_64/stackguard-macros.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/sysdeps/x86_64/stackguard-macros.h b/sysdeps/x86_64/stackguard-macros.h index d7fedb3737..1948800cd0 100644 --- a/sysdeps/x86_64/stackguard-macros.h +++ b/sysdeps/x86_64/stackguard-macros.h @@ -4,3 +4,8 @@ ({ uintptr_t x; \ asm ("mov %%fs:%c1, %0" : "=r" (x) \ : "i" (offsetof (tcbhead_t, stack_guard))); x; }) + +#define POINTER_CHK_GUARD \ + ({ uintptr_t x; \ + asm ("mov %%fs:%c1, %0" : "=r" (x) \ + : "i" (offsetof (tcbhead_t, pointer_guard))); x; }) |