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| author | Mike Aizatsky <aizatsky@chromium.org> | 2016-04-27 18:02:21 +0000 |
|---|---|---|
| committer | Mike Aizatsky <aizatsky@chromium.org> | 2016-04-27 18:02:21 +0000 |
| commit | ccd318dc7ec4365ea03a68d7fe13929ea0b1b3c8 (patch) | |
| tree | f5d4d8e69ba422b47935a7ba5ef0196efec1df8c /compiler-rt/lib/sanitizer_common | |
| parent | 2eabf2484fe442a45125bce479996b32ffb2b5fa (diff) | |
| download | bcm5719-llvm-ccd318dc7ec4365ea03a68d7fe13929ea0b1b3c8.tar.gz bcm5719-llvm-ccd318dc7ec4365ea03a68d7fe13929ea0b1b3c8.zip | |
[sanitizers] read/write page fault detection on mac.
Summary: Resubmit of http://reviews.llvm.org/D19495 enabled only on intel.
Subscribers: kubabrecka
Differential Revision: http://reviews.llvm.org/D19561
llvm-svn: 267750
Diffstat (limited to 'compiler-rt/lib/sanitizer_common')
| -rw-r--r-- | compiler-rt/lib/sanitizer_common/sanitizer_mac.cc | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/compiler-rt/lib/sanitizer_common/sanitizer_mac.cc b/compiler-rt/lib/sanitizer_common/sanitizer_mac.cc index 356541d2390..325bdc9e2c1 100644 --- a/compiler-rt/lib/sanitizer_common/sanitizer_mac.cc +++ b/compiler-rt/lib/sanitizer_common/sanitizer_mac.cc @@ -506,7 +506,12 @@ void LogFullErrorReport(const char *buffer) { } SignalContext::WriteFlag SignalContext::GetWriteFlag(void *context) { - return UNKNOWN; // FIXME: implement this. +#if defined(__x86_64__) || defined(__i386__) + ucontext_t *ucontext = static_cast<ucontext_t*>(context); + return ucontext->uc_mcontext->__es.__err & 2 /*T_PF_WRITE*/ ? WRITE : READ; +#else + return UNKNOWN; +#endif } void GetPcSpBp(void *context, uptr *pc, uptr *sp, uptr *bp) { |
