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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 #ifndef PLATFORM_GLOBALS_H_ | 5 #ifndef PLATFORM_GLOBALS_H_ |
6 #define PLATFORM_GLOBALS_H_ | 6 #define PLATFORM_GLOBALS_H_ |
7 | 7 |
8 // __STDC_FORMAT_MACROS has to be defined before including <inttypes.h> to | 8 // __STDC_FORMAT_MACROS has to be defined before including <inttypes.h> to |
9 // enable platform independent printf format specifiers. | 9 // enable platform independent printf format specifiers. |
10 #ifndef __STDC_FORMAT_MACROS | 10 #ifndef __STDC_FORMAT_MACROS |
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154 const int64_t kMaxInt64 = DART_INT64_C(0x7FFFFFFFFFFFFFFF); | 154 const int64_t kMaxInt64 = DART_INT64_C(0x7FFFFFFFFFFFFFFF); |
155 const uint64_t kMaxUint64 = DART_2PART_UINT64_C(0xFFFFFFFF, FFFFFFFF); | 155 const uint64_t kMaxUint64 = DART_2PART_UINT64_C(0xFFFFFFFF, FFFFFFFF); |
156 | 156 |
157 // Types for native machine words. Guaranteed to be able to hold pointers and | 157 // Types for native machine words. Guaranteed to be able to hold pointers and |
158 // integers. | 158 // integers. |
159 typedef intptr_t word; | 159 typedef intptr_t word; |
160 typedef uintptr_t uword; | 160 typedef uintptr_t uword; |
161 | 161 |
162 // Byte sizes. | 162 // Byte sizes. |
163 const int kWordSize = sizeof(word); | 163 const int kWordSize = sizeof(word); |
| 164 const int kDoubleSize = sizeof(double); // NOLINT |
164 #ifdef ARCH_IS_32_BIT | 165 #ifdef ARCH_IS_32_BIT |
165 const int kWordSizeLog2 = 2; | 166 const int kWordSizeLog2 = 2; |
166 const uword kUwordMax = kMaxUint32; | 167 const uword kUwordMax = kMaxUint32; |
167 #else | 168 #else |
168 const int kWordSizeLog2 = 3; | 169 const int kWordSizeLog2 = 3; |
169 const uword kUwordMax = kMaxUint64; | 170 const uword kUwordMax = kMaxUint64; |
170 #endif | 171 #endif |
171 | 172 |
172 // Bit sizes. | 173 // Bit sizes. |
173 const int kBitsPerByte = 8; | 174 const int kBitsPerByte = 8; |
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352 // separate lines with body in {}s). | 353 // separate lines with body in {}s). |
353 # define TEMP_FAILURE_RETRY(expression) \ | 354 # define TEMP_FAILURE_RETRY(expression) \ |
354 ({ int64_t __result; \ | 355 ({ int64_t __result; \ |
355 do { \ | 356 do { \ |
356 __result = (int64_t) (expression); \ | 357 __result = (int64_t) (expression); \ |
357 } while (__result == -1L && errno == EINTR); \ | 358 } while (__result == -1L && errno == EINTR); \ |
358 __result; }) | 359 __result; }) |
359 #endif | 360 #endif |
360 | 361 |
361 #endif // PLATFORM_GLOBALS_H_ | 362 #endif // PLATFORM_GLOBALS_H_ |
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