src/msan.h - Issue 585643002: Annotate Heap::FindAllocationMemento for MemorySanitizer.

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Issue 585643002: Annotate Heap::FindAllocationMemento for MemorySanitizer. (Closed) Base URL: https://chromium.googlesource.com/external/v8.git@bleeding_edge

Patch Set: Created 6 years, 3 months ago

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1 // Copyright 2013 the V8 project authors. All rights reserved.	1 // Copyright 2013 the V8 project authors. All rights reserved.

2 // Use of this source code is governed by a BSD-style license that can be	2 // Use of this source code is governed by a BSD-style license that can be

3 // found in the LICENSE file.	3 // found in the LICENSE file.

4	4

5 // MemorySanitizer support.	5 // MemorySanitizer support.

6	6

7 #ifndef V8_MSAN_H_	7 #ifndef V8_MSAN_H_

8 #define V8_MSAN_H_	8 #define V8_MSAN_H_

9	9

10 #include "src/globals.h"	10 #include "src/globals.h"

11	11

12 #ifndef __has_feature	12 #ifndef __has_feature

13 # define __has_feature(x) 0	13 # define __has_feature(x) 0

14 #endif	14 #endif

15	15

16 #if __has_feature(memory_sanitizer) && !defined(MEMORY_SANITIZER)	16 #if __has_feature(memory_sanitizer) && !defined(MEMORY_SANITIZER)

17 # define MEMORY_SANITIZER	17 # define MEMORY_SANITIZER

18 #endif	18 #endif

19	19

20 #if defined(MEMORY_SANITIZER)	20 #if defined(MEMORY_SANITIZER)

21 # include <sanitizer/msan_interface.h> // NOLINT	21 # include <sanitizer/msan_interface.h> // NOLINT

22	22

23 // Marks a memory range as uninitialized, as if it was allocated here.	23 // Marks a memory range as uninitialized, as if it was allocated here.

24 # define MSAN_ALLOCATED_UNINITIALIZED_MEMORY(p, s) \	24 # define MSAN_ALLOCATED_UNINITIALIZED_MEMORY(p, s) \

25 __msan_allocated_memory((p), (s))	25 __msan_allocated_memory((p), (s))

	26 // Marks a memory range as initialized.

	27 #define MSAN_MEMORY_IS_INITIALIZED(p, s) __msan_unpoison((p), (s))

26 #else	28 #else

27 # define MSAN_ALLOCATED_UNINITIALIZED_MEMORY(p, s)	29 # define MSAN_ALLOCATED_UNINITIALIZED_MEMORY(p, s)

	30 #define MSAN_MEMORY_IS_INITIALIZED(p, s)

28 #endif	31 #endif

29	32

30 #endif // V8_MSAN_H_	33 #endif // V8_MSAN_H_

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