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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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| 94 UNREACHABLE(); | 94 UNREACHABLE(); |
| 95 return NULL; | 95 return NULL; |
| 96 } | 96 } |
| 97 | 97 |
| 98 | 98 |
| 99 int RelocInfo::target_address_size() { | 99 int RelocInfo::target_address_size() { |
| 100 return Assembler::kSpecialTargetSize; | 100 return Assembler::kSpecialTargetSize; |
| 101 } | 101 } |
| 102 | 102 |
| 103 | 103 |
| 104 void RelocInfo::set_target_address(Address target, | |
| 105 WriteBarrierMode write_barrier_mode, | |
| 106 ICacheFlushMode icache_flush_mode) { | |
| 107 Assembler::set_target_address_at(isolate_, pc_, host_, target, | |
| 108 icache_flush_mode); | |
| 109 Assembler::set_target_address_at(isolate_, pc_, host_, target); | |
| 110 DCHECK(IsCodeTarget(rmode_) || IsRuntimeEntry(rmode_)); | |
| 111 if (write_barrier_mode == UPDATE_WRITE_BARRIER && host() != NULL && | |
| 112 IsCodeTarget(rmode_)) { | |
| 113 Object* target_code = Code::GetCodeFromTargetAddress(target); | |
| 114 host()->GetHeap()->incremental_marking()->RecordWriteIntoCode( | |
| 115 host(), this, HeapObject::cast(target_code)); | |
| 116 } | |
| 117 } | |
| 118 | |
| 119 Object* RelocInfo::target_object() { | 104 Object* RelocInfo::target_object() { |
| 120 DCHECK(IsCodeTarget(rmode_) || rmode_ == EMBEDDED_OBJECT); | 105 DCHECK(IsCodeTarget(rmode_) || rmode_ == EMBEDDED_OBJECT); |
| 121 return Memory::Object_at(pc_); | 106 return Memory::Object_at(pc_); |
| 122 } | 107 } |
| 123 | 108 |
| 124 | 109 |
| 125 Handle<Object> RelocInfo::target_object_handle(Assembler* origin) { | 110 Handle<Object> RelocInfo::target_object_handle(Assembler* origin) { |
| 126 DCHECK(IsCodeTarget(rmode_) || rmode_ == EMBEDDED_OBJECT); | 111 DCHECK(IsCodeTarget(rmode_) || rmode_ == EMBEDDED_OBJECT); |
| 127 return Memory::Object_Handle_at(pc_); | 112 return Memory::Object_Handle_at(pc_); |
| 128 } | 113 } |
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| 548 | 533 |
| 549 Operand::Operand(Immediate imm) { | 534 Operand::Operand(Immediate imm) { |
| 550 // [disp/r] | 535 // [disp/r] |
| 551 set_modrm(0, ebp); | 536 set_modrm(0, ebp); |
| 552 set_dispr(imm.x_, imm.rmode_); | 537 set_dispr(imm.x_, imm.rmode_); |
| 553 } | 538 } |
| 554 } // namespace internal | 539 } // namespace internal |
| 555 } // namespace v8 | 540 } // namespace v8 |
| 556 | 541 |
| 557 #endif // V8_X87_ASSEMBLER_X87_INL_H_ | 542 #endif // V8_X87_ASSEMBLER_X87_INL_H_ |
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