tsan: add memory range access functions to public iface

llvm-svn: 168692

2 files changed, 11 insertions, 0 deletions

diff --git a/compiler-rt/lib/tsan/rtl/tsan_interface.h b/compiler-rt/lib/tsan/rtl/tsan_interface.h
index ed21ec60544..c2a493cde7e 100644
--- a/compiler-rt/lib/tsan/rtl/tsan_interface.h
+++ b/compiler-rt/lib/tsan/rtl/tsan_interface.h
@@ -44,6 +44,9 @@ void __tsan_vptr_update(void **vptr_p, void *new_val);
 void __tsan_func_entry(void *call_pc);
 void __tsan_func_exit();
 
+void __tsan_read_range(void *addr, unsigned long size);  // NOLINT
+void __tsan_write_range(void *addr, unsigned long size);  // NOLINT
+
 #ifdef __cplusplus
 }  // extern "C"
 #endif
diff --git a/compiler-rt/lib/tsan/rtl/tsan_interface_inl.h b/compiler-rt/lib/tsan/rtl/tsan_interface_inl.h
index 233f9028a63..8a92155d57e 100644
--- a/compiler-rt/lib/tsan/rtl/tsan_interface_inl.h
+++ b/compiler-rt/lib/tsan/rtl/tsan_interface_inl.h
@@ -63,3 +63,11 @@ void __tsan_func_entry(void *pc) {
 void __tsan_func_exit() {
   FuncExit(cur_thread());
 }
+
+void __tsan_read_range(void *addr, uptr size) {
+  MemoryAccessRange(cur_thread(), CALLERPC, (uptr)addr, size, false);
+}
+
+void __tsan_write_range(void *addr, uptr size) {
+  MemoryAccessRange(cur_thread(), CALLERPC, (uptr)addr, size, true);
+}