[tsan] Pass correct interposed function prefix to report function

Summary:
On Darwin, interposed functions are prefixed with "wrap_". On Linux,
they are prefixed with "__interceptor_".

Reviewers: dvyukov, samsonov, glider, kcc, kubabrecka

Subscribers: zaks.anna, llvm-commits

Differential Revision: http://reviews.llvm.org/D14512

llvm-svn: 252695

1 files changed, 7 insertions, 1 deletions

diff --git a/compiler-rt/lib/tsan/rtl/tsan_report.cc b/compiler-rt/lib/tsan/rtl/tsan_report.cc
index f4b06878a58..ad8fc9a2083 100644
--- a/compiler-rt/lib/tsan/rtl/tsan_report.cc
+++ b/compiler-rt/lib/tsan/rtl/tsan_report.cc
@@ -19,6 +19,12 @@
 
 namespace __tsan {
 
+#if SANITIZER_MAC
+static const char *const kInterposedFunctionPrefix = "wrap_";
+#else
+static const char *const kInterposedFunctionPrefix = "__interceptor_";
+#endif
+
 ReportStack::ReportStack() : frames(nullptr), suppressable(false) {}
 
 ReportStack *ReportStack::New() {
@@ -121,7 +127,7 @@ void PrintStack(const ReportStack *ent) {
     InternalScopedString res(2 * GetPageSizeCached());
     RenderFrame(&res, common_flags()->stack_trace_format, i, frame->info,
                 common_flags()->symbolize_vs_style,
-                common_flags()->strip_path_prefix, "__interceptor_");
+                common_flags()->strip_path_prefix, kInterposedFunctionPrefix);
     Printf("%s\n", res.data());
   }
   Printf("\n");