glibc/sysdeps/powerpc/powerpc64/stackguard-macros.h
2013-09-25 13:43:04 -05:00

15 lines
383 B
C

#include <stdint.h>
#define STACK_CHK_GUARD \
({ uintptr_t x; asm ("ld %0,-28688(13)" : "=r" (x)); x; })
#define POINTER_CHK_GUARD \
({ \
uintptr_t x; \
asm ("ld %0,%1(13)" \
: "=r" (x) \
: "i" (offsetof (tcbhead_t, pointer_guard) - TLS_TCB_OFFSET - sizeof (tcbhead_t)) \
); \
x; \
})