| 1 | // Checks that the debugging API returns correct shadow scale and offset. |
|---|
| 2 | // RUN: %clangxx_asan -O %s -o %t |
|---|
| 3 | // RUN: %env_asan_opts=verbosity=1 %run %t 2>&1 | FileCheck %s |
|---|
| 4 | |
|---|
| 5 | #include <sanitizer/asan_interface.h> |
|---|
| 6 | #include <stdio.h> |
|---|
| 7 | #include <stdlib.h> |
|---|
| 8 | |
|---|
| 9 | #if _WIN64 |
|---|
| 10 | #define PTR "%llx" |
|---|
| 11 | #else |
|---|
| 12 | #define PTR "%lx" |
|---|
| 13 | #endif |
|---|
| 14 | |
|---|
| 15 | // printed because of verbosity=1 |
|---|
| 16 | // CHECK: SHADOW_SCALE: [[SCALE:[0-9]+]] |
|---|
| 17 | // CHECK: SHADOW_OFFSET: [[OFFSET:0x[0-9a-f]+]] |
|---|
| 18 | |
|---|
| 19 | int main() { |
|---|
| 20 | size_t scale, offset; |
|---|
| 21 | __asan_get_shadow_mapping(shadow_scale: &scale, shadow_offset: &offset); |
|---|
| 22 | |
|---|
| 23 | fprintf(stderr, format: "scale: %d\n" , (int)scale); |
|---|
| 24 | fprintf(stderr, format: "offset: 0x" PTR "\n" , (void*)offset); |
|---|
| 25 | |
|---|
| 26 | // CHECK: scale: [[SCALE]] |
|---|
| 27 | // CHECK: offset: [[OFFSET]] |
|---|
| 28 | |
|---|
| 29 | return 0; |
|---|
| 30 | } |
|---|
| 31 | |
|---|
