runtime/platform/memory_sanitizer.h - Issue 816123002: MemorySanitizer support.

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Side by Side Diff: runtime/platform/memory_sanitizer.h

Issue 816123002: MemorySanitizer support. (Closed) Base URL: http://dart.googlecode.com/svn/branches/bleeding_edge/dart/

Patch Set: Created 6 years ago

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	1 // Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file

	2 // for details. All rights reserved. Use of this source code is governed by a

	3 // BSD-style license that can be found in the LICENSE file.

	4

	5 #ifndef PLATFORM_MEMORY_SANITIZER_H_

	6 #define PLATFORM_MEMORY_SANITIZER_H_

	7

	8 #include "platform/globals.h"

	9

	10 // Allow the use of Msan (MemorySanitizer). This is needed as Msan needs to be

	11 // told about areas that are initialized by generated code.

	12 #if defined(__has_feature)

	13 #if __has_feature(memory_sanitizer)

	14 extern "C" void __msan_unpoison(void *, size_t);

	15 #define MSAN_UNPOISON(ptr, len) __msan_unpoison(ptr, len)

	16 #else // __has_feature(memory_sanitizer)

	17 #define MSAN_UNPOISON(ptr, len) do {} while (false && (ptr) == 0 && (len) == 0)

	18 #endif // __has_feature(memory_sanitizer)

	19 #else // defined(__has_feature)

	20 #define MSAN_UNPOISON(ptr, len) do {} while (false && (ptr) == 0 && (len) == 0)

	21 #endif // defined(__has_feature)

	22

	23 #endif // PLATFORM_MEMORY_SANITIZER_H_

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