1 files changed, 96 insertions, 0 deletions
diff --git a/gcc-4.9/libsanitizer/tsan/tsan_interface.cc b/gcc-4.9/libsanitizer/tsan/tsan_interface.cc
new file mode 100644
index 000000000..e056bd465
--- /dev/null
+++ b/gcc-4.9/libsanitizer/tsan/tsan_interface.cc
@@ -0,0 +1,96 @@
+//===-- tsan_interface.cc -------------------------------------------------===//
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file is a part of ThreadSanitizer (TSan), a race detector.
+//
+//===----------------------------------------------------------------------===//
+
+#include "tsan_interface.h"
+#include "tsan_interface_ann.h"
+#include "tsan_rtl.h"
+#include "sanitizer_common/sanitizer_internal_defs.h"
+
+#define CALLERPC ((uptr)__builtin_return_address(0))
+
+using namespace __tsan;  // NOLINT
+
+typedef u16 uint16_t;
+typedef u32 uint32_t;
+typedef u64 uint64_t;
+
+void __tsan_init() {
+  Initialize(cur_thread());
+}
+
+void __tsan_read16(void *addr) {
+  MemoryRead(cur_thread(), CALLERPC, (uptr)addr, kSizeLog8);
+  MemoryRead(cur_thread(), CALLERPC, (uptr)addr + 8, kSizeLog8);
+}
+
+void __tsan_write16(void *addr) {
+  MemoryWrite(cur_thread(), CALLERPC, (uptr)addr, kSizeLog8);
+  MemoryWrite(cur_thread(), CALLERPC, (uptr)addr + 8, kSizeLog8);
+}
+
+u16 __tsan_unaligned_read2(const uu16 *addr) {
+  UnalignedMemoryAccess(cur_thread(), CALLERPC, (uptr)addr, 2, false, false);
+  return *addr;
+}
+
+u32 __tsan_unaligned_read4(const uu32 *addr) {
+  UnalignedMemoryAccess(cur_thread(), CALLERPC, (uptr)addr, 4, false, false);
+  return *addr;
+}
+
+u64 __tsan_unaligned_read8(const uu64 *addr) {
+  UnalignedMemoryAccess(cur_thread(), CALLERPC, (uptr)addr, 8, false, false);
+  return *addr;
+}
+
+void __tsan_unaligned_write2(uu16 *addr, u16 v) {
+  UnalignedMemoryAccess(cur_thread(), CALLERPC, (uptr)addr, 2, true, false);
+  *addr = v;
+}
+
+void __tsan_unaligned_write4(uu32 *addr, u32 v) {
+  UnalignedMemoryAccess(cur_thread(), CALLERPC, (uptr)addr, 4, true, false);
+  *addr = v;
+}
+
+void __tsan_unaligned_write8(uu64 *addr, u64 v) {
+  UnalignedMemoryAccess(cur_thread(), CALLERPC, (uptr)addr, 8, true, false);
+  *addr = v;
+}
+
+extern "C" {
+SANITIZER_INTERFACE_ATTRIBUTE
+uint16_t __sanitizer_unaligned_load16(void *addr)
+    ALIAS("__tsan_unaligned_read2");
+SANITIZER_INTERFACE_ATTRIBUTE
+uint32_t __sanitizer_unaligned_load32(void *addr)
+    ALIAS("__tsan_unaligned_read4");
+SANITIZER_INTERFACE_ATTRIBUTE
+uint64_t __sanitizer_unaligned_load64(void *addr)
+    ALIAS("__tsan_unaligned_read8");
+SANITIZER_INTERFACE_ATTRIBUTE
+void __sanitizer_unaligned_store16(void *addr, uint16_t v)
+    ALIAS("__tsan_unaligned_write2");
+SANITIZER_INTERFACE_ATTRIBUTE
+void __sanitizer_unaligned_store32(void *addr, uint32_t v)
+    ALIAS("__tsan_unaligned_write4");
+SANITIZER_INTERFACE_ATTRIBUTE
+void __sanitizer_unaligned_store64(void *addr, uint64_t v)
+    ALIAS("__tsan_unaligned_write8");
+}
+
+void __tsan_acquire(void *addr) {
+  Acquire(cur_thread(), CALLERPC, (uptr)addr);
+}
+
+void __tsan_release(void *addr) {
+  Release(cur_thread(), CALLERPC, (uptr)addr);
+}