diff options
Diffstat (limited to 'elf/stackguard-macros.h')
| -rw-r--r-- | elf/stackguard-macros.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/elf/stackguard-macros.h b/elf/stackguard-macros.h index 97db8bc22a..8b85425e6a 100644 --- a/elf/stackguard-macros.h +++ b/elf/stackguard-macros.h @@ -4,8 +4,13 @@ # define STACK_CHK_GUARD \ ({ uintptr_t x; asm ("movl %%gs:0x14, %0" : "=r" (x)); x; }) #elif defined __x86_64__ -# define STACK_CHK_GUARD \ +# ifdef __LP64__ +# define STACK_CHK_GUARD \ ({ uintptr_t x; asm ("movq %%fs:0x28, %0" : "=r" (x)); x; }) +# else +# define STACK_CHK_GUARD \ + ({ uintptr_t x; asm ("movl %%fs:0x18, %0" : "=r" (x)); x; }) +# endif #elif defined __powerpc64__ # define STACK_CHK_GUARD \ ({ uintptr_t x; asm ("ld %0,-28688(13)" : "=r" (x)); x; }) |