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