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
7extern "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
11long global_var;
12
13int 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