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| author | Joseph Myers <joseph@codesourcery.com> | 2012-05-15 23:34:30 +0000 |
|---|---|---|
| committer | Joseph Myers <joseph@codesourcery.com> | 2012-05-15 23:34:30 +0000 |
| commit | a9538892adfbb9f092e0bb14ff3a1703973968af (patch) | |
| tree | 19c746fa67ff63159fb1b261fc257acd8fea4aee /sysdeps/x86_64/stackguard-macros.h | |
| parent | 93171016830e1ed4ec77c46cd4c32156d4624c1a (diff) | |
| download | glibc-a9538892adfbb9f092e0bb14ff3a1703973968af.tar.gz glibc-a9538892adfbb9f092e0bb14ff3a1703973968af.tar.xz glibc-a9538892adfbb9f092e0bb14ff3a1703973968af.zip | |
Split up stackguard-macros.h into sysdeps directories.
Diffstat (limited to 'sysdeps/x86_64/stackguard-macros.h')
| -rw-r--r-- | sysdeps/x86_64/stackguard-macros.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/sysdeps/x86_64/stackguard-macros.h b/sysdeps/x86_64/stackguard-macros.h new file mode 100644 index 0000000000..d7fedb3737 --- /dev/null +++ b/sysdeps/x86_64/stackguard-macros.h @@ -0,0 +1,6 @@ +#include <stdint.h> + +#define STACK_CHK_GUARD \ + ({ uintptr_t x; \ + asm ("mov %%fs:%c1, %0" : "=r" (x) \ + : "i" (offsetof (tcbhead_t, stack_guard))); x; }) |