1 // RUN: %clangxx_tsan -O0 %s -o %t
2 // RUN: %run %t 2>&1 | FileCheck %s
3 
4 #include <stdio.h>
5 #include <stdlib.h>
6 
7 extern "C" const char *
8 __tsan_locate_address(void *addr, char *name, size_t name_size,
9                       void **region_address_ptr, size_t *region_size_ptr);
10 
11 long global_var;
12 
13 int main() {
14   long stack_var;
15   void *heap_var = malloc(10);
16 
17   fprintf(stderr, "stack_var = %p\n", &stack_var);
18   fprintf(stderr, "global_var = %p\n", &global_var);
19   fprintf(stderr, "heap_var = %p\n", heap_var);
20   // CHECK: stack_var = [[STACK_VAR:0x[0-9a-f]+]]
21   // CHECK: global_var = [[GLOBAL_VAR:0x[0-9a-f]+]]
22   // CHECK: heap_var = [[HEAP_VAR:0x[0-9a-f]+]]
23 
24   const char *type;
25   char name[128];
26   void *start;
27   size_t size;
28   type = __tsan_locate_address(&stack_var, name, 128, &start, &size);
29   fprintf(stderr, "type: %s\n", type);
30   // CHECK: type: stack
31 
32   type = __tsan_locate_address(&global_var, name, 128, &start, &size);
33   fprintf(stderr, "type: %s, name = %s, start = %p, size = %zu\n", type, name,
34           start, size);
35   // CHECK: type: global, name = global_var, start = [[GLOBAL_VAR]], size = {{8|0}}
36 
37   type = __tsan_locate_address(heap_var, name, 128, &start, &size);
38   fprintf(stderr, "type: %s, start = %p, size = %zu\n", type, start, size);
39   // CHECK: type: heap, start = [[HEAP_VAR]], size = 10
40 
41   free(heap_var);
42   return 0;
43 }
44