+#include <string.h>
+#include <inttypes.h>
+#include <elf.h>
#include "pthread_impl.h"
#include "atomic.h"
-void __init_ssp(void)
+uintptr_t __stack_chk_guard;
+
+void __init_ssp(size_t *auxv)
{
-#ifndef __PIC__
- __pthread_self_init();
-#endif
+ size_t i;
+ pthread_t self = __pthread_self_init();
+ uintptr_t canary;
+ for (i=0; auxv[i] && auxv[i]!=AT_RANDOM; i+=2);
+ if (auxv[i]) memcpy(&canary, (void *)auxv[i+1], sizeof canary);
+ else canary = (uintptr_t)&canary * 1103515245;
+ __stack_chk_guard = self->canary = canary;
}
void __stack_chk_fail(void)