add macro version of ctype.h isascii function

[musl] / src / env / __stack_chk_fail.c

diff --git a/src/env/__stack_chk_fail.c b/src/env/__stack_chk_fail.c
index bbba351..47784c6 100644 (file)
--- a/src/env/__stack_chk_fail.c
+++ b/src/env/__stack_chk_fail.c
@@ -1,14 +1,28 @@
+#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;
+
+       __pthread_self()->CANARY = __stack_chk_guard;
 }
 
 void __stack_chk_fail(void)
 {
        a_crash();
 }
+
+#ifdef SHARED
+
+__attribute__((__visibility__("hidden")))
+void __stack_chk_fail_local(void)
+{
+       a_crash();
+}
+
+#endif