add getauxval function
[musl] / src / env / __stack_chk_fail.c
index bbba351..87ac473 100644 (file)
@@ -1,11 +1,16 @@
+#include <string.h>
+#include <stdint.h>
 #include "pthread_impl.h"
-#include "atomic.h"
 
-void __init_ssp(void)
+uintptr_t __stack_chk_guard;
+
+void __init_ssp(void *entropy)
 {
-#ifndef __PIC__
-       __pthread_self_init();
-#endif
+       if (entropy) memcpy(&__stack_chk_guard, entropy, sizeof(uintptr_t));
+       else __stack_chk_guard = (uintptr_t)&__stack_chk_guard * 1103515245;
+
+       if (libc.has_thread_pointer)
+               __pthread_self()->canary = __stack_chk_guard;
 }
 
 void __stack_chk_fail(void)