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Side by Side Diff: src/base/macros.h

Issue 1872203005: Fix printf formats (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Fix unused param found by GC mole Created 4 years, 8 months ago
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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
11 #include <cstring>
12
13 #include "src/base/build_config.h"
14 #include "src/base/compiler-specific.h" 8 #include "src/base/compiler-specific.h"
9 #include "src/base/format-macros.h"
15 #include "src/base/logging.h" 10 #include "src/base/logging.h"
16 11
17 12
18 // TODO(all) Replace all uses of this macro with C++'s offsetof. To do that, we 13 // TODO(all) Replace all uses of this macro with C++'s offsetof. To do that, we
19 // have to make sure that only standard-layout types and simple field 14 // have to make sure that only standard-layout types and simple field
20 // designators are used. 15 // designators are used.
21 #define OFFSET_OF(type, field) \ 16 #define OFFSET_OF(type, field) \
22 (reinterpret_cast<intptr_t>(&(reinterpret_cast<type*>(16)->field)) - 16) 17 (reinterpret_cast<intptr_t>(&(reinterpret_cast<type*>(16)->field)) - 16)
23 18
24 19
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267 #define V8_PTR_PREFIX "l" 262 #define V8_PTR_PREFIX "l"
268 #else 263 #else
269 # define V8_PTR_PREFIX "" 264 # define V8_PTR_PREFIX ""
270 #endif 265 #endif
271 #endif 266 #endif
272 267
273 #define V8PRIxPTR V8_PTR_PREFIX "x" 268 #define V8PRIxPTR V8_PTR_PREFIX "x"
274 #define V8PRIdPTR V8_PTR_PREFIX "d" 269 #define V8PRIdPTR V8_PTR_PREFIX "d"
275 #define V8PRIuPTR V8_PTR_PREFIX "u" 270 #define V8PRIuPTR V8_PTR_PREFIX "u"
276 271
272 // ptrdiff_t is 't' according to the standard, but MSVC uses 'I'.
273 #if V8_CC_MSVC
274 #define V8PRIxPTRDIFF "Ix"
275 #define V8PRIdPTRDIFF "Id"
276 #define V8PRIuPTRDIFF "Iu"
277 #else
278 #define V8PRIxPTRDIFF "tx"
279 #define V8PRIdPTRDIFF "td"
280 #define V8PRIuPTRDIFF "tu"
281 #endif
282
277 // Fix for Mac OS X defining uintptr_t as "unsigned long": 283 // Fix for Mac OS X defining uintptr_t as "unsigned long":
278 #if V8_OS_MACOSX 284 #if V8_OS_MACOSX
279 #undef V8PRIxPTR 285 #undef V8PRIxPTR
280 #define V8PRIxPTR "lx" 286 #define V8PRIxPTR "lx"
287 #undef V8PRIdPTR
288 #define V8PRIdPTR "ld"
281 #undef V8PRIuPTR 289 #undef V8PRIuPTR
282 #define V8PRIuPTR "lxu" 290 #define V8PRIuPTR "lxu"
283 #endif 291 #endif
284 292
285 // GCC on S390 31-bit expands 'size_t' to 'long unsigned int'
286 // instead of 'int', resulting in compilation errors with %d.
287 // The printf format specifier needs to be %zd instead.
288 #if V8_HOST_ARCH_S390 && !V8_HOST_ARCH_64_BIT
289 #define V8_SIZET_PREFIX "z"
290 #else
291 #define V8_SIZET_PREFIX ""
292 #endif
293
294 // The following macro works on both 32 and 64-bit platforms. 293 // The following macro works on both 32 and 64-bit platforms.
295 // Usage: instead of writing 0x1234567890123456 294 // Usage: instead of writing 0x1234567890123456
296 // write V8_2PART_UINT64_C(0x12345678,90123456); 295 // write V8_2PART_UINT64_C(0x12345678,90123456);
297 #define V8_2PART_UINT64_C(a, b) (((static_cast<uint64_t>(a) << 32) + 0x##b##u)) 296 #define V8_2PART_UINT64_C(a, b) (((static_cast<uint64_t>(a) << 32) + 0x##b##u))
298 297
299 298
300 // Compute the 0-relative offset of some absolute value x of type T. 299 // Compute the 0-relative offset of some absolute value x of type T.
301 // This allows conversion of Addresses and integral types into 300 // This allows conversion of Addresses and integral types into
302 // 0-relative int offsets. 301 // 0-relative int offsets.
303 template <typename T> 302 template <typename T>
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342 341
343 template <> 342 template <>
344 inline bool is_fundamental<uint8_t>() { 343 inline bool is_fundamental<uint8_t>() {
345 return true; 344 return true;
346 } 345 }
347 346
348 } // namespace base 347 } // namespace base
349 } // namespace v8 348 } // namespace v8
350 349
351 #endif // V8_BASE_MACROS_H_ 350 #endif // V8_BASE_MACROS_H_
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