File: stackguard-macros.h

package info (click to toggle)
glibc 2.19-18+deb8u7
  • links: PTS, VCS
  • area: main
  • in suites: jessie-backports
  • size: 204,748 kB
  • sloc: ansic: 970,427; asm: 241,207; sh: 10,069; makefile: 8,476; cpp: 3,595; perl: 2,077; pascal: 1,839; awk: 1,704; yacc: 317; sed: 73
file content (11 lines) | stat: -rw-r--r-- 324 bytes parent folder | download | duplicates (26)
1
2
3
4
5
6
7
8
9
10
11
#include <stdint.h>

#define STACK_CHK_GUARD \
  ({ 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; })