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