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1 // Copyright (c) 1994-2006 Sun Microsystems Inc. | 1 // Copyright (c) 1994-2006 Sun Microsystems Inc. |
2 // All Rights Reserved. | 2 // All Rights Reserved. |
3 // | 3 // |
4 // Redistribution and use in source and binary forms, with or without | 4 // Redistribution and use in source and binary forms, with or without |
5 // modification, are permitted provided that the following conditions are | 5 // modification, are permitted provided that the following conditions are |
6 // met: | 6 // met: |
7 // | 7 // |
8 // - Redistributions of source code must retain the above copyright notice, | 8 // - Redistributions of source code must retain the above copyright notice, |
9 // this list of conditions and the following disclaimer. | 9 // this list of conditions and the following disclaimer. |
10 // | 10 // |
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93 // Overwrite a host NaN with a quiet target NaN. Used by mksnapshot for | 93 // Overwrite a host NaN with a quiet target NaN. Used by mksnapshot for |
94 // cross-snapshotting. | 94 // cross-snapshotting. |
95 static void QuietNaN(HeapObject* nan) { } | 95 static void QuietNaN(HeapObject* nan) { } |
96 | 96 |
97 int pc_offset() const { return static_cast<int>(pc_ - buffer_); } | 97 int pc_offset() const { return static_cast<int>(pc_ - buffer_); } |
98 | 98 |
99 // This function is called when code generation is aborted, so that | 99 // This function is called when code generation is aborted, so that |
100 // the assembler could clean up internal data structures. | 100 // the assembler could clean up internal data structures. |
101 virtual void AbortedCodeGeneration() { } | 101 virtual void AbortedCodeGeneration() { } |
102 | 102 |
| 103 // Debugging |
| 104 void Print(); |
| 105 |
103 static const int kMinimalBufferSize = 4*KB; | 106 static const int kMinimalBufferSize = 4*KB; |
104 | 107 |
105 static void FlushICache(Isolate* isolate, void* start, size_t size); | 108 static void FlushICache(Isolate* isolate, void* start, size_t size); |
106 | 109 |
107 // TODO(all): Help get rid of this one. | 110 // TODO(all): Help get rid of this one. |
108 static void FlushICacheWithoutIsolate(void* start, size_t size); | 111 static void FlushICacheWithoutIsolate(void* start, size_t size); |
109 | 112 |
110 protected: | 113 protected: |
111 // The buffer into which code and relocation info are generated. It could | 114 // The buffer into which code and relocation info are generated. It could |
112 // either be owned by the assembler or be provided externally. | 115 // either be owned by the assembler or be provided externally. |
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1273 std::vector<ConstantPoolEntry> shared_entries; | 1276 std::vector<ConstantPoolEntry> shared_entries; |
1274 }; | 1277 }; |
1275 | 1278 |
1276 Label emitted_label_; // Records pc_offset of emitted pool | 1279 Label emitted_label_; // Records pc_offset of emitted pool |
1277 PerTypeEntryInfo info_[ConstantPoolEntry::NUMBER_OF_TYPES]; | 1280 PerTypeEntryInfo info_[ConstantPoolEntry::NUMBER_OF_TYPES]; |
1278 }; | 1281 }; |
1279 | 1282 |
1280 } // namespace internal | 1283 } // namespace internal |
1281 } // namespace v8 | 1284 } // namespace v8 |
1282 #endif // V8_ASSEMBLER_H_ | 1285 #endif // V8_ASSEMBLER_H_ |
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