diff options
| author | Dmitry Vyukov <dvyukov@google.com> | 2014-12-22 12:32:52 +0000 |
|---|---|---|
| committer | Dmitry Vyukov <dvyukov@google.com> | 2014-12-22 12:32:52 +0000 |
| commit | c1a04162ba272cc8b9b887383e278b819c555cb6 (patch) | |
| tree | 0b9532b9825c06bca3ab9e9b2ef682381f57c68c /compiler-rt/lib | |
| parent | 8f9911b571e3add31a0570c9b3520f45b9bc64b1 (diff) | |
| download | bcm5719-llvm-c1a04162ba272cc8b9b887383e278b819c555cb6.tar.gz bcm5719-llvm-c1a04162ba272cc8b9b887383e278b819c555cb6.zip | |
tsan: reset stack0 in the first partition of thread trace
stack0/mset0 contained bogus values from the previous thread
that used the same id
llvm-svn: 224702
Diffstat (limited to 'compiler-rt/lib')
| -rw-r--r-- | compiler-rt/lib/tsan/rtl/tsan_rtl_thread.cc | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/compiler-rt/lib/tsan/rtl/tsan_rtl_thread.cc b/compiler-rt/lib/tsan/rtl/tsan_rtl_thread.cc index 7b7b27c024f..d84cd44b554 100644 --- a/compiler-rt/lib/tsan/rtl/tsan_rtl_thread.cc +++ b/compiler-rt/lib/tsan/rtl/tsan_rtl_thread.cc @@ -116,7 +116,10 @@ void ThreadContext::OnStarted(void *arg) { thr->fast_state.SetHistorySize(flags()->history_size); const uptr trace = (epoch0 / kTracePartSize) % TraceParts(); Trace *thr_trace = ThreadTrace(thr->tid); - thr_trace->headers[trace].epoch0 = epoch0; + TraceHeader *hdr = &thr_trace->headers[trace]; + hdr->epoch0 = epoch0; + ObtainCurrentStack(thr, 0, &hdr->stack0); + hdr->mset0 = thr->mset; StatInc(thr, StatSyncAcquire); sync.Reset(&thr->clock_cache); DPrintf("#%d: ThreadStart epoch=%zu stk_addr=%zx stk_size=%zx " |
