xref: /aosp_15_r20/external/compiler-rt/test/asan/TestCases/debug_mapping.cc (revision 7c3d14c8b49c529e04be81a3ce6f5cc23712e4c6) 
1*7c3d14c8STreehugger Robot // Checks that the debugging API returns correct shadow scale and offset.
2*7c3d14c8STreehugger Robot // RUN: %clangxx_asan -O %s -o %t
3*7c3d14c8STreehugger Robot // RUN: %env_asan_opts=verbosity=1 %run %t 2>&1 | FileCheck %s
4*7c3d14c8STreehugger Robot 
5*7c3d14c8STreehugger Robot #include <sanitizer/asan_interface.h>
6*7c3d14c8STreehugger Robot #include <stdio.h>
7*7c3d14c8STreehugger Robot #include <stdlib.h>
8*7c3d14c8STreehugger Robot 
9*7c3d14c8STreehugger Robot // printed because of verbosity=1
10*7c3d14c8STreehugger Robot // CHECK: SHADOW_SCALE: [[SCALE:[0-9]+]]
11*7c3d14c8STreehugger Robot // CHECK: SHADOW_OFFSET: [[OFFSET:0x[0-9a-f]+]]
12*7c3d14c8STreehugger Robot 
main()13*7c3d14c8STreehugger Robot int main() {
14*7c3d14c8STreehugger Robot   size_t scale, offset;
15*7c3d14c8STreehugger Robot   __asan_get_shadow_mapping(&scale, &offset);
16*7c3d14c8STreehugger Robot 
17*7c3d14c8STreehugger Robot   fprintf(stderr, "scale: %d\n", (int)scale);
18*7c3d14c8STreehugger Robot   fprintf(stderr, "offset: 0x%lx\n", offset);
19*7c3d14c8STreehugger Robot 
20*7c3d14c8STreehugger Robot   // CHECK: scale: [[SCALE]]
21*7c3d14c8STreehugger Robot   // CHECK: offset: [[OFFSET]]
22*7c3d14c8STreehugger Robot 
23*7c3d14c8STreehugger Robot   return 0;
24*7c3d14c8STreehugger Robot }
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