tsan: symbolizer "flush caches" support

llvm-svn: 177389

2 files changed, 8 insertions, 0 deletions

diff --git a/compiler-rt/lib/tsan/rtl/tsan_symbolize.cc b/compiler-rt/lib/tsan/rtl/tsan_symbolize.cc
index a58b9583d00..12226064f5a 100644
--- a/compiler-rt/lib/tsan/rtl/tsan_symbolize.cc
+++ b/compiler-rt/lib/tsan/rtl/tsan_symbolize.cc
@@ -116,4 +116,11 @@ ReportLocation *SymbolizeData(uptr addr) {
   return ent;
 }
 
+void SymbolizeFlush() {
+  if (!IsSymbolizerAvailable())
+    return;
+  ScopedInSymbolizer in_symbolizer;
+  __sanitizer::FlushSymbolizer();
+}
+
 }  // namespace __tsan
diff --git a/compiler-rt/lib/tsan/rtl/tsan_symbolize.h b/compiler-rt/lib/tsan/rtl/tsan_symbolize.h
index 29193043cd7..7bc6123df57 100644
--- a/compiler-rt/lib/tsan/rtl/tsan_symbolize.h
+++ b/compiler-rt/lib/tsan/rtl/tsan_symbolize.h
@@ -20,6 +20,7 @@ namespace __tsan {
 
 ReportStack *SymbolizeCode(uptr addr);
 ReportLocation *SymbolizeData(uptr addr);
+void SymbolizeFlush();
 
 ReportStack *SymbolizeCodeAddr2Line(uptr addr);