X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fenv%2F__stack_chk_fail.c;h=e32596d10fff84a89a73cab4c0d84c26101769af;hb=aa5a9d15e09851f7b4a1668e9dbde0f6234abada;hp=3e2e4b6dfabac5d60194c33eee3c1e4b58371dec;hpb=0a96a37f06fda78ce3674b425888b1fc090578aa;p=musl diff --git a/src/env/__stack_chk_fail.c b/src/env/__stack_chk_fail.c index 3e2e4b6d..e32596d1 100644 --- a/src/env/__stack_chk_fail.c +++ b/src/env/__stack_chk_fail.c @@ -1,23 +1,22 @@ #include -#include -#include +#include #include "pthread_impl.h" -#include "atomic.h" uintptr_t __stack_chk_guard; void __init_ssp(void *entropy) { - size_t i; - pthread_t self = __pthread_self_init(); - uintptr_t canary; - if (entropy) memcpy(&canary, entropy, sizeof canary); - else canary = (uintptr_t)&canary * 1103515245; - a_cas_l(&__stack_chk_guard, 0, canary); - self->canary = __stack_chk_guard; + 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(); } + +hidden void __stack_chk_fail_local(void); + +weak_alias(__stack_chk_fail, __stack_chk_fail_local);