compiler-rt/test/hwasan/TestCases/register-dump-no-fp.cpp

   1 // RUN: %clangxx_hwasan -fomit-frame-pointer -momit-leaf-frame-pointer \
   2 // RUN:   -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK
   3 // RUN: %clangxx_hwasan -fomit-frame-pointer -momit-leaf-frame-pointer \
   4 // RUN:   -O1 %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK
   5 // RUN: %clangxx_hwasan -fomit-frame-pointer -momit-leaf-frame-pointer \
   6 // RUN:   -O2 %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK
   7 // RUN: %clangxx_hwasan -fomit-frame-pointer -momit-leaf-frame-pointer \
   8 // RUN:   -O3 %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK
   9
  10 // This test ensures that the CFA is implemented properly for slow
  11 // (non-frame-pointer) unwinding.
  12 #include <sanitizer/hwasan_interface.h>
  13 #include <stdio.h>
  14 #include <stdlib.h>
  15
  16 __attribute__((noinline)) void f(int *p) { *p = 3; }
  17
  18 // CHECK: ERROR: HWAddressSanitizer:
  19 // CHECK: #{{[0-9]}} {{.*}} in f(int*) {{.*}}register-dump-no-fp.cpp:[[@LINE-3]]
  20
  21 int main() {
  22   __hwasan_enable_allocator_tagging();
  23
  24   int *volatile a = new int;
  25   a = (int *)__hwasan_tag_pointer(a, 0);
  26   f(a);
  27   // CHECK: #{{[0-9]}} {{.*}} in main {{.*}}register-dump-no-fp.cpp:[[@LINE-1]]
  28 }