dart-sdk/runtime/platform/memory_sanitizer.h
koda@google.com 08edbbd6b4 MemorySanitizer support.
Enables building (including generating snapshot) and running simple scripts under MemorySanitizer.
Not all tests pass yet.

R=asiva@google.com

Review URL: https://codereview.chromium.org//816123002

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@42561 260f80e4-7a28-3924-810f-c04153c831b5
2014-12-23 01:07:58 +00:00

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C

// Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
#ifndef PLATFORM_MEMORY_SANITIZER_H_
#define PLATFORM_MEMORY_SANITIZER_H_
#include "platform/globals.h"
// Allow the use of Msan (MemorySanitizer). This is needed as Msan needs to be
// told about areas that are initialized by generated code.
#if defined(__has_feature)
#if __has_feature(memory_sanitizer)
extern "C" void __msan_unpoison(void *, size_t);
#define MSAN_UNPOISON(ptr, len) __msan_unpoison(ptr, len)
#else // __has_feature(memory_sanitizer)
#define MSAN_UNPOISON(ptr, len) do {} while (false && (ptr) == 0 && (len) == 0)
#endif // __has_feature(memory_sanitizer)
#else // defined(__has_feature)
#define MSAN_UNPOISON(ptr, len) do {} while (false && (ptr) == 0 && (len) == 0)
#endif // defined(__has_feature)
#endif // PLATFORM_MEMORY_SANITIZER_H_