diff options
Diffstat (limited to 'libc/sysdeps/i386')
| -rw-r--r-- | libc/sysdeps/i386/ffs.c | 1 | ||||
| -rw-r--r-- | libc/sysdeps/i386/i686/ffs.c | 1 | ||||
| -rw-r--r-- | libc/sysdeps/i386/stackguard-macros.h | 8 |
3 files changed, 10 insertions, 0 deletions
diff --git a/libc/sysdeps/i386/ffs.c b/libc/sysdeps/i386/ffs.c index 47496dcf7..77d2e60b7 100644 --- a/libc/sysdeps/i386/ffs.c +++ b/libc/sysdeps/i386/ffs.c @@ -41,6 +41,7 @@ __ffs (x) return cnt; } weak_alias (__ffs, ffs) +libc_hidden_def (__ffs) libc_hidden_builtin_def (ffs) #undef ffsl weak_alias (__ffs, ffsl) diff --git a/libc/sysdeps/i386/i686/ffs.c b/libc/sysdeps/i386/i686/ffs.c index 5c97050e8..cde1c9956 100644 --- a/libc/sysdeps/i386/i686/ffs.c +++ b/libc/sysdeps/i386/i686/ffs.c @@ -39,6 +39,7 @@ __ffs (x) return cnt + 1; } weak_alias (__ffs, ffs) +libc_hidden_def (__ffs) libc_hidden_builtin_def (ffs) #undef ffsl weak_alias (__ffs, ffsl) diff --git a/libc/sysdeps/i386/stackguard-macros.h b/libc/sysdeps/i386/stackguard-macros.h index 8c31e197e..039762927 100644 --- a/libc/sysdeps/i386/stackguard-macros.h +++ b/libc/sysdeps/i386/stackguard-macros.h @@ -2,3 +2,11 @@ #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; \ + }) |