1*673dc3d4SNico Weber // Checks that the debugging API returns correct shadow scale and offset.
2*673dc3d4SNico Weber // RUN: %clangxx_asan -O %s -o %t
3*673dc3d4SNico Weber // RUN: %env_asan_opts=verbosity=1 %run %t 2>&1 | FileCheck %s
4*673dc3d4SNico Weber 
5*673dc3d4SNico Weber #include <sanitizer/asan_interface.h>
6*673dc3d4SNico Weber #include <stdio.h>
7*673dc3d4SNico Weber #include <stdlib.h>
8*673dc3d4SNico Weber 
9*673dc3d4SNico Weber #if _WIN64
10*673dc3d4SNico Weber #define PTR "%llx"
11*673dc3d4SNico Weber #else
12*673dc3d4SNico Weber #define PTR "%lx"
13*673dc3d4SNico Weber #endif
14*673dc3d4SNico Weber 
15*673dc3d4SNico Weber // printed because of verbosity=1
16*673dc3d4SNico Weber // CHECK: SHADOW_SCALE: [[SCALE:[0-9]+]]
17*673dc3d4SNico Weber // CHECK: SHADOW_OFFSET: [[OFFSET:0x[0-9a-f]+]]
18*673dc3d4SNico Weber 
main()19*673dc3d4SNico Weber int main() {
20*673dc3d4SNico Weber   size_t scale, offset;
21*673dc3d4SNico Weber   __asan_get_shadow_mapping(&scale, &offset);
22*673dc3d4SNico Weber 
23*673dc3d4SNico Weber   fprintf(stderr, "scale: %d\n", (int)scale);
24*673dc3d4SNico Weber   fprintf(stderr, "offset: 0x" PTR "\n", (void*)offset);
25*673dc3d4SNico Weber 
26*673dc3d4SNico Weber   // CHECK: scale: [[SCALE]]
27*673dc3d4SNico Weber   // CHECK: offset: [[OFFSET]]
28*673dc3d4SNico Weber 
29*673dc3d4SNico Weber   return 0;
30*673dc3d4SNico Weber }
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