diff options
| author | Mike Aizatsky <aizatsky@chromium.org> | 2016-04-25 21:44:43 +0000 |
|---|---|---|
| committer | Mike Aizatsky <aizatsky@chromium.org> | 2016-04-25 21:44:43 +0000 |
| commit | bbe3712e298cd62b38de49be24cb715aa3a114a1 (patch) | |
| tree | 474fc835e3706e9fbb1968729d94ef81f11f4980 /lib | |
| parent | ffd60c7d05623a8d37f06c4ac7307c11851d2f52 (diff) | |
[sanitizers] read/write page fault detection on mac.
Subscribers: kubabrecka
Differential Revision: http://reviews.llvm.org/D19495
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@267477 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/sanitizer_common/sanitizer_mac.cc | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/sanitizer_common/sanitizer_mac.cc b/lib/sanitizer_common/sanitizer_mac.cc index 5fbb14729..c2e3d7f77 100644 --- a/lib/sanitizer_common/sanitizer_mac.cc +++ b/lib/sanitizer_common/sanitizer_mac.cc @@ -500,7 +500,8 @@ void LogFullErrorReport(const char *buffer) { } SignalContext::WriteFlag SignalContext::GetWriteFlag(void *context) { - return UNKNOWN; // FIXME: implement this. + ucontext_t *ucontext = static_cast<ucontext_t*>(context); + return ucontext->uc_mcontext->__es.__err & 2 /*T_PF_WRITE*/ ? WRITE : READ; } void GetPcSpBp(void *context, uptr *pc, uptr *sp, uptr *bp) { |