From 24c833e1a4d6581ecbbde735103d9bfa39b87b23 Mon Sep 17 00:00:00 2001
From: Dmitry Vyukov <dvyukov@google.com>
Date: Tue, 18 Mar 2014 08:28:39 +0000
Subject: [PATCH] tsan: add missing interceptor for embed symbolizer

llvm-svn: 204124
---
 compiler-rt/lib/tsan/dd/dd_interceptors.cc | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/compiler-rt/lib/tsan/dd/dd_interceptors.cc b/compiler-rt/lib/tsan/dd/dd_interceptors.cc
index c75330e75113..6117a7498ed0 100644
--- a/compiler-rt/lib/tsan/dd/dd_interceptors.cc
+++ b/compiler-rt/lib/tsan/dd/dd_interceptors.cc
@@ -209,6 +209,19 @@ INTERCEPTOR(int, pthread_cond_destroy, pthread_cond_t *c) {
   return res;
 }
 
+
+INTERCEPTOR(char*, realpath, const char *path, char *resolved_path) {
+  return REAL(realpath)(path, resolved_path);
+}
+
+INTERCEPTOR(SSIZE_T, read, int fd, void *ptr, SIZE_T count) {
+  return REAL(read)(fd, ptr, count);
+}
+
+INTERCEPTOR(SSIZE_T, pread, int fd, void *ptr, SIZE_T count, OFF_T offset) {
+  return REAL(pread)(fd, ptr, count, offset);
+}
+
 namespace __dsan {
 
 void InitializeInterceptors() {
@@ -237,6 +250,11 @@ void InitializeInterceptors() {
   INTERCEPT_FUNCTION_VER(pthread_cond_wait, "GLIBC_2.3.2");
   INTERCEPT_FUNCTION_VER(pthread_cond_timedwait, "GLIBC_2.3.2");
   INTERCEPT_FUNCTION_VER(pthread_cond_destroy, "GLIBC_2.3.2");
+
+  // for symbolizer
+  INTERCEPT_FUNCTION(realpath);
+  INTERCEPT_FUNCTION(read);
+  INTERCEPT_FUNCTION(pread);
 }
 
 }  // namespace __dsan