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

Issue 1877823003: Revert of Fix printf formats (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: 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"
8 #include "src/base/compiler-specific.h" 14 #include "src/base/compiler-specific.h"
9 #include "src/base/format-macros.h"
10 #include "src/base/logging.h" 15 #include "src/base/logging.h"
11 16
12 17
13 // TODO(all) Replace all uses of this macro with C++'s offsetof. To do that, we 18 // TODO(all) Replace all uses of this macro with C++'s offsetof. To do that, we
14 // have to make sure that only standard-layout types and simple field 19 // have to make sure that only standard-layout types and simple field
15 // designators are used. 20 // designators are used.
16 #define OFFSET_OF(type, field) \ 21 #define OFFSET_OF(type, field) \
17 (reinterpret_cast<intptr_t>(&(reinterpret_cast<type*>(16)->field)) - 16) 22 (reinterpret_cast<intptr_t>(&(reinterpret_cast<type*>(16)->field)) - 16)
18 23
19 24
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262 #define V8_PTR_PREFIX "l" 267 #define V8_PTR_PREFIX "l"
263 #else 268 #else
264 # define V8_PTR_PREFIX "" 269 # define V8_PTR_PREFIX ""
265 #endif 270 #endif
266 #endif 271 #endif
267 272
268 #define V8PRIxPTR V8_PTR_PREFIX "x" 273 #define V8PRIxPTR V8_PTR_PREFIX "x"
269 #define V8PRIdPTR V8_PTR_PREFIX "d" 274 #define V8PRIdPTR V8_PTR_PREFIX "d"
270 #define V8PRIuPTR V8_PTR_PREFIX "u" 275 #define V8PRIuPTR V8_PTR_PREFIX "u"
271 276
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
283 // Fix for Mac OS X defining uintptr_t as "unsigned long": 277 // Fix for Mac OS X defining uintptr_t as "unsigned long":
284 #if V8_OS_MACOSX 278 #if V8_OS_MACOSX
285 #undef V8PRIxPTR 279 #undef V8PRIxPTR
286 #define V8PRIxPTR "lx" 280 #define V8PRIxPTR "lx"
287 #undef V8PRIdPTR
288 #define V8PRIdPTR "ld"
289 #undef V8PRIuPTR 281 #undef V8PRIuPTR
290 #define V8PRIuPTR "lxu" 282 #define V8PRIuPTR "lxu"
291 #endif 283 #endif
292 284
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
293 // The following macro works on both 32 and 64-bit platforms. 294 // The following macro works on both 32 and 64-bit platforms.
294 // Usage: instead of writing 0x1234567890123456 295 // Usage: instead of writing 0x1234567890123456
295 // write V8_2PART_UINT64_C(0x12345678,90123456); 296 // write V8_2PART_UINT64_C(0x12345678,90123456);
296 #define V8_2PART_UINT64_C(a, b) (((static_cast<uint64_t>(a) << 32) + 0x##b##u)) 297 #define V8_2PART_UINT64_C(a, b) (((static_cast<uint64_t>(a) << 32) + 0x##b##u))
297 298
298 299
299 // Compute the 0-relative offset of some absolute value x of type T. 300 // Compute the 0-relative offset of some absolute value x of type T.
300 // This allows conversion of Addresses and integral types into 301 // This allows conversion of Addresses and integral types into
301 // 0-relative int offsets. 302 // 0-relative int offsets.
302 template <typename T> 303 template <typename T>
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341 342
342 template <> 343 template <>
343 inline bool is_fundamental<uint8_t>() { 344 inline bool is_fundamental<uint8_t>() {
344 return true; 345 return true;
345 } 346 }
346 347
347 } // namespace base 348 } // namespace base
348 } // namespace v8 349 } // namespace v8
349 350
350 #endif // V8_BASE_MACROS_H_ 351 #endif // V8_BASE_MACROS_H_
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