diff options
Diffstat (limited to 'REORG.TODO/sysdeps/i386/stackguard-macros.h')
| -rw-r--r-- | REORG.TODO/sysdeps/i386/stackguard-macros.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/i386/stackguard-macros.h b/REORG.TODO/sysdeps/i386/stackguard-macros.h new file mode 100644 index 0000000000..039762927c --- /dev/null +++ b/REORG.TODO/sysdeps/i386/stackguard-macros.h @@ -0,0 +1,12 @@ +#include <stdint.h> + +#define STACK_CHK_GUARD \ + ({ uintptr_t x; asm ("movl %%gs:0x14, %0" : "=r" (x)); x; }) + +#define POINTER_CHK_GUARD \ + ({ \ + uintptr_t x; \ + asm ("movl %%gs:%c1, %0" : "=r" (x) \ + : "i" (offsetof (tcbhead_t, pointer_guard))); \ + x; \ + }) |