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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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| 128 // Implementation of AssemblerBase | 128 // Implementation of AssemblerBase |
| 129 | 129 |
| 130 AssemblerBase::AssemblerBase(Isolate* isolate, void* buffer, int buffer_size) | 130 AssemblerBase::AssemblerBase(Isolate* isolate, void* buffer, int buffer_size) |
| 131 : isolate_(isolate), | 131 : isolate_(isolate), |
| 132 jit_cookie_(0), | 132 jit_cookie_(0), |
| 133 enabled_cpu_features_(0), | 133 enabled_cpu_features_(0), |
| 134 emit_debug_code_(FLAG_debug_code), | 134 emit_debug_code_(FLAG_debug_code), |
| 135 predictable_code_size_(false), | 135 predictable_code_size_(false), |
| 136 // We may use the assembler without an isolate. | 136 // We may use the assembler without an isolate. |
| 137 serializer_enabled_(isolate && isolate->serializer_enabled()), | 137 serializer_enabled_(isolate && isolate->serializer_enabled()), |
| 138 ool_constant_pool_available_(false) { | 138 constant_pool_available_(false) { |
| 139 if (FLAG_mask_constants_with_cookie && isolate != NULL) { | 139 if (FLAG_mask_constants_with_cookie && isolate != NULL) { |
| 140 jit_cookie_ = isolate->random_number_generator()->NextInt(); | 140 jit_cookie_ = isolate->random_number_generator()->NextInt(); |
| 141 } | 141 } |
| 142 own_buffer_ = buffer == NULL; | 142 own_buffer_ = buffer == NULL; |
| 143 if (buffer_size == 0) buffer_size = kMinimalBufferSize; | 143 if (buffer_size == 0) buffer_size = kMinimalBufferSize; |
| 144 DCHECK(buffer_size > 0); | 144 DCHECK(buffer_size > 0); |
| 145 if (own_buffer_) buffer = NewArray<byte>(buffer_size); | 145 if (own_buffer_) buffer = NewArray<byte>(buffer_size); |
| 146 buffer_ = static_cast<byte*>(buffer); | 146 buffer_ = static_cast<byte*>(buffer); |
| 147 buffer_size_ = buffer_size; | 147 buffer_size_ = buffer_size; |
| 148 | 148 |
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| 1677 RecordRelocInfo(RelocInfo::JS_RETURN); | 1677 RecordRelocInfo(RelocInfo::JS_RETURN); |
| 1678 } | 1678 } |
| 1679 | 1679 |
| 1680 | 1680 |
| 1681 void Assembler::RecordDebugBreakSlot() { | 1681 void Assembler::RecordDebugBreakSlot() { |
| 1682 positions_recorder()->WriteRecordedPositions(); | 1682 positions_recorder()->WriteRecordedPositions(); |
| 1683 EnsureSpace ensure_space(this); | 1683 EnsureSpace ensure_space(this); |
| 1684 RecordRelocInfo(RelocInfo::DEBUG_BREAK_SLOT); | 1684 RecordRelocInfo(RelocInfo::DEBUG_BREAK_SLOT); |
| 1685 } | 1685 } |
| 1686 } } // namespace v8::internal | 1686 } } // namespace v8::internal |
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