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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 "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) && !defined(USE_SIMULATOR) | 20 #if defined(MEMORY_SANITIZER) && !defined(USE_SIMULATOR) |
21 # include <sanitizer/msan_interface.h> // NOLINT | 21 # include <sanitizer/msan_interface.h> // NOLINT |
22 // Marks a memory range as fully initialized. | 22 // Marks a memory range as fully initialized. |
23 # define MSAN_MEMORY_IS_INITIALIZED_IN_JIT(p, s) __msan_unpoison((p), (s)) | 23 # define MSAN_MEMORY_IS_INITIALIZED_IN_JIT(p, s) __msan_unpoison((p), (s)) |
24 #else | 24 #else |
25 # define MSAN_MEMORY_IS_INITIALIZED_IN_JIT(p, s) | 25 # define MSAN_MEMORY_IS_INITIALIZED_IN_JIT(p, s) |
26 #endif | 26 #endif |
27 | 27 |
28 #endif // V8_MSAN_H_ | 28 #endif // V8_MSAN_H_ |
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