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1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 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 #ifndef V8_BASE_MACROS_H_ | 5 #ifndef V8_BASE_MACROS_H_ |
6 #define V8_BASE_MACROS_H_ | 6 #define V8_BASE_MACROS_H_ |
7 | 7 |
| 8 #include <stddef.h> |
| 9 #include <stdint.h> |
| 10 |
8 #include <cstring> | 11 #include <cstring> |
9 | 12 |
10 #include "include/v8stdint.h" | |
11 #include "src/base/build_config.h" | 13 #include "src/base/build_config.h" |
12 #include "src/base/compiler-specific.h" | 14 #include "src/base/compiler-specific.h" |
13 #include "src/base/logging.h" | 15 #include "src/base/logging.h" |
14 | 16 |
15 | 17 |
16 // The expression OFFSET_OF(type, field) computes the byte-offset | 18 // The expression OFFSET_OF(type, field) computes the byte-offset |
17 // of the specified field relative to the containing type. This | 19 // of the specified field relative to the containing type. This |
18 // corresponds to 'offsetof' (in stddef.h), except that it doesn't | 20 // corresponds to 'offsetof' (in stddef.h), except that it doesn't |
19 // use 0 or NULL, which causes a problem with the compiler warnings | 21 // use 0 or NULL, which causes a problem with the compiler warnings |
20 // we have enabled (which is also why 'offsetof' doesn't seem to work). | 22 // we have enabled (which is also why 'offsetof' doesn't seem to work). |
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390 } | 392 } |
391 | 393 |
392 | 394 |
393 // Return the smallest multiple of m which is >= x. | 395 // Return the smallest multiple of m which is >= x. |
394 template <typename T> | 396 template <typename T> |
395 inline T RoundUp(T x, intptr_t m) { | 397 inline T RoundUp(T x, intptr_t m) { |
396 return RoundDown<T>(static_cast<T>(x + m - 1), m); | 398 return RoundDown<T>(static_cast<T>(x + m - 1), m); |
397 } | 399 } |
398 | 400 |
399 #endif // V8_BASE_MACROS_H_ | 401 #endif // V8_BASE_MACROS_H_ |
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