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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 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_GLOBALS_H_ | 5 #ifndef V8_GLOBALS_H_ |
6 #define V8_GLOBALS_H_ | 6 #define V8_GLOBALS_H_ |
7 | 7 |
8 #include <stddef.h> | 8 #include <stddef.h> |
9 #include <stdint.h> | 9 #include <stdint.h> |
10 | 10 |
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285 const Address kZapValue = reinterpret_cast<Address>(0xdeadbeef); | 285 const Address kZapValue = reinterpret_cast<Address>(0xdeadbeef); |
286 const Address kHandleZapValue = reinterpret_cast<Address>(0xbaddeaf); | 286 const Address kHandleZapValue = reinterpret_cast<Address>(0xbaddeaf); |
287 const Address kGlobalHandleZapValue = reinterpret_cast<Address>(0xbaffedf); | 287 const Address kGlobalHandleZapValue = reinterpret_cast<Address>(0xbaffedf); |
288 const Address kFromSpaceZapValue = reinterpret_cast<Address>(0xbeefdaf); | 288 const Address kFromSpaceZapValue = reinterpret_cast<Address>(0xbeefdaf); |
289 const uint32_t kSlotsZapValue = 0xbeefdeef; | 289 const uint32_t kSlotsZapValue = 0xbeefdeef; |
290 const uint32_t kDebugZapValue = 0xbadbaddb; | 290 const uint32_t kDebugZapValue = 0xbadbaddb; |
291 const uint32_t kFreeListZapValue = 0xfeed1eaf; | 291 const uint32_t kFreeListZapValue = 0xfeed1eaf; |
292 #endif | 292 #endif |
293 | 293 |
294 const int kCodeZapValue = 0xbadc0de; | 294 const int kCodeZapValue = 0xbadc0de; |
| 295 const uint32_t kPhantomReferenceZap = 0xca11bac; |
295 | 296 |
296 // On Intel architecture, cache line size is 64 bytes. | 297 // On Intel architecture, cache line size is 64 bytes. |
297 // On ARM it may be less (32 bytes), but as far this constant is | 298 // On ARM it may be less (32 bytes), but as far this constant is |
298 // used for aligning data, it doesn't hurt to align on a greater value. | 299 // used for aligning data, it doesn't hurt to align on a greater value. |
299 #define PROCESSOR_CACHE_LINE_SIZE 64 | 300 #define PROCESSOR_CACHE_LINE_SIZE 64 |
300 | 301 |
301 // Constants relevant to double precision floating point numbers. | 302 // Constants relevant to double precision floating point numbers. |
302 // If looking only at the top 32 bits, the QNaN mask is bits 19 to 30. | 303 // If looking only at the top 32 bits, the QNaN mask is bits 19 to 30. |
303 const uint32_t kQuietNaNHighBitsMask = 0xfff << (51 - 32); | 304 const uint32_t kQuietNaNHighBitsMask = 0xfff << (51 - 32); |
304 | 305 |
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805 | 806 |
806 inline bool IsConciseMethod(FunctionKind kind) { | 807 inline bool IsConciseMethod(FunctionKind kind) { |
807 DCHECK(IsValidFunctionKind(kind)); | 808 DCHECK(IsValidFunctionKind(kind)); |
808 return kind & FunctionKind::kConciseMethod; | 809 return kind & FunctionKind::kConciseMethod; |
809 } | 810 } |
810 } } // namespace v8::internal | 811 } } // namespace v8::internal |
811 | 812 |
812 namespace i = v8::internal; | 813 namespace i = v8::internal; |
813 | 814 |
814 #endif // V8_GLOBALS_H_ | 815 #endif // V8_GLOBALS_H_ |
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