1 // RUN: %clangxx_asan -O2 %s -o %t
2 // RUN: %t 2>&1 | FileCheck %s
3 #include <stdlib.h>
4 #include <unistd.h>
5
6 extern "C" {
7 // Note: avoid calling functions that allocate memory in malloc/free
8 // to avoid infinite recursion.
__asan_malloc_hook(void * ptr,size_t sz)9 void __asan_malloc_hook(void *ptr, size_t sz) {
10 write(1, "MallocHook\n", sizeof("MallocHook\n"));
11 }
__asan_free_hook(void * ptr)12 void __asan_free_hook(void *ptr) {
13 write(1, "FreeHook\n", sizeof("FreeHook\n"));
14 }
15 } // extern "C"
16
main()17 int main() {
18 volatile int *x = new int;
19 // CHECK: MallocHook
20 *x = 0;
21 delete x;
22 // CHECK: FreeHook
23 return 0;
24 }
25