[PATCH] D60806: [HWASan] Added no-FP unit test for register dump.

[Mitch Phillips via Phabricator via llvm-commits]

hctim added a comment.

Fyi - I accidentally committed using the wrong branch, just means that all of my local commits are going up one-by-one.

See `d43dc9e78b2cd9ba7c578f25e47c54cf532c5ef4`, `371f43a6c0f542eb20150c90341aaed09b78fc92`, `371f43a6c0f542eb20150c90341aaed09b78fc92`, `026781c96200c9afad31847a5f3cced947520604`.

The final committed diff from all of these patches is (as was reviewed):

  --- /dev/null
  +++ b/compiler-rt/test/hwasan/TestCases/register-dump-no-fp.cc
  @@ -0,0 +1,28 @@
  +// RUN: %clangxx_hwasan -fomit-frame-pointer -momit-leaf-frame-pointer \
  +// RUN:   -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK
  +// RUN: %clangxx_hwasan -fomit-frame-pointer -momit-leaf-frame-pointer \
  +// RUN:   -O1 %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK
  +// RUN: %clangxx_hwasan -fomit-frame-pointer -momit-leaf-frame-pointer \
  +// RUN:   -O2 %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK
  +// RUN: %clangxx_hwasan -fomit-frame-pointer -momit-leaf-frame-pointer \
  +// RUN:   -O3 %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK
  +
  +// This test ensures that the CFA is implemented properly for slow
  +// (non-frame-pointer) unwinding.
  +#include <sanitizer/hwasan_interface.h>
  +#include <stdio.h>
  +#include <stdlib.h>
  +
  +__attribute__((noinline)) void f(int *p) { *p = 3; }
  +
  +// CHECK: ERROR: HWAddressSanitizer:
  +// CHECK: #0 {{.*}} in f(int*) {{.*}}register-dump-no-fp.cc:[[@LINE-3]]
  +
  +int main() {
  +  __hwasan_enable_allocator_tagging();
  +
  +  int *volatile a = new int;
  +  a = (int *)__hwasan_tag_pointer(a, 0);
  +  f(a);
  +  // CHECK: #1 {{.*}} in main {{.*}}register-dump-no-fp.cc:[[@LINE-1]]
  +}


Repository:
  rL LLVM

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  https://reviews.llvm.org/D60806/new/

https://reviews.llvm.org/D60806