diff options
Diffstat (limited to 'sysdeps/generic/libc-start.c')
| -rw-r--r-- | sysdeps/generic/libc-start.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/sysdeps/generic/libc-start.c b/sysdeps/generic/libc-start.c index f0d69b443b..3fcadcf19f 100644 --- a/sysdeps/generic/libc-start.c +++ b/sysdeps/generic/libc-start.c @@ -35,6 +35,11 @@ extern void __pthread_initialize_minimal (void) __attribute__ ((weak)) # endif ; +# ifndef THREAD_SET_STACK_GUARD +/* Only exported for architectures that don't store the stack guard canary + in thread local area. */ +uintptr_t __stack_chk_guard attribute_relro; +# endif #endif #ifdef HAVE_PTR_NTHREADS @@ -152,6 +157,16 @@ LIBC_START_MAIN (int (*main) (int, char **, char ** MAIN_AUXVEC_DECL), __pthread_initialize_minimal (); #endif +# ifndef SHARED + /* Set up the stack checker's canary. */ + uintptr_t stack_chk_guard = _dl_setup_stack_chk_guard (); +# ifdef THREAD_SET_STACK_GUARD + THREAD_SET_STACK_GUARD (stack_chk_guard); +# else + __stack_chk_guard = stack_chk_guard; +# endif +#endif + /* Register the destructor of the dynamic linker if there is any. */ if (__builtin_expect (rtld_fini != NULL, 1)) __cxa_atexit ((void (*) (void *)) rtld_fini, NULL, NULL); |