Initial checkin of GCC 4.9.0 from trunk (r208799).

Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba

1 files changed, 57 insertions, 0 deletions

diff --git a/gcc-4.9/libsanitizer/asan/asan_mac.h b/gcc-4.9/libsanitizer/asan/asan_mac.h
new file mode 100644
index 000000000..2d1d4b0bf
--- /dev/null
+++ b/gcc-4.9/libsanitizer/asan/asan_mac.h
@@ -0,0 +1,57 @@
+//===-- asan_mac.h ----------------------------------------------*- C++ -*-===//
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file is a part of AddressSanitizer, an address sanity checker.
+//
+// Mac-specific ASan definitions.
+//===----------------------------------------------------------------------===//
+#ifndef ASAN_MAC_H
+#define ASAN_MAC_H
+
+// CF_RC_BITS, the layout of CFRuntimeBase and __CFStrIsConstant are internal
+// and subject to change in further CoreFoundation versions. Apple does not
+// guarantee any binary compatibility from release to release.
+
+// See http://opensource.apple.com/source/CF/CF-635.15/CFInternal.h
+#if defined(__BIG_ENDIAN__)
+#define CF_RC_BITS 0
+#endif
+
+#if defined(__LITTLE_ENDIAN__)
+#define CF_RC_BITS 3
+#endif
+
+// See http://opensource.apple.com/source/CF/CF-635.15/CFRuntime.h
+typedef struct __CFRuntimeBase {
+  uptr _cfisa;
+  u8 _cfinfo[4];
+#if __LP64__
+  u32 _rc;
+#endif
+} CFRuntimeBase;
+
+enum MacosVersion {
+  MACOS_VERSION_UNINITIALIZED = 0,
+  MACOS_VERSION_UNKNOWN,
+  MACOS_VERSION_LEOPARD,
+  MACOS_VERSION_SNOW_LEOPARD,
+  MACOS_VERSION_LION,
+  MACOS_VERSION_MOUNTAIN_LION,
+  MACOS_VERSION_MAVERICKS
+};
+
+// Used by asan_malloc_mac.cc and asan_mac.cc
+extern "C" void __CFInitialize();
+
+namespace __asan {
+
+MacosVersion GetMacosVersion();
+void MaybeReplaceCFAllocator();
+
+}  // namespace __asan
+
+#endif  // ASAN_MAC_H