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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 DCHECK(IsCodeTarget(rmode_) || IsRuntimeEntry(rmode_)); | |
110 if (write_barrier_mode == UPDATE_WRITE_BARRIER && host() != NULL && | |
111 IsCodeTarget(rmode_)) { | |
112 Object* target_code = Code::GetCodeFromTargetAddress(target); | |
113 host()->GetHeap()->incremental_marking()->RecordWriteIntoCode( | |
114 host(), this, HeapObject::cast(target_code)); | |
115 } | |
116 } | |
117 | |
118 Object* RelocInfo::target_object() { | 104 Object* RelocInfo::target_object() { |
119 DCHECK(IsCodeTarget(rmode_) || rmode_ == EMBEDDED_OBJECT); | 105 DCHECK(IsCodeTarget(rmode_) || rmode_ == EMBEDDED_OBJECT); |
120 return Memory::Object_at(pc_); | 106 return Memory::Object_at(pc_); |
121 } | 107 } |
122 | 108 |
123 | 109 |
124 Handle<Object> RelocInfo::target_object_handle(Assembler* origin) { | 110 Handle<Object> RelocInfo::target_object_handle(Assembler* origin) { |
125 DCHECK(IsCodeTarget(rmode_) || rmode_ == EMBEDDED_OBJECT); | 111 DCHECK(IsCodeTarget(rmode_) || rmode_ == EMBEDDED_OBJECT); |
126 return Memory::Object_Handle_at(pc_); | 112 return Memory::Object_Handle_at(pc_); |
127 } | 113 } |
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553 | 539 |
554 Operand::Operand(Immediate imm) { | 540 Operand::Operand(Immediate imm) { |
555 // [disp/r] | 541 // [disp/r] |
556 set_modrm(0, ebp); | 542 set_modrm(0, ebp); |
557 set_dispr(imm.x_, imm.rmode_); | 543 set_dispr(imm.x_, imm.rmode_); |
558 } | 544 } |
559 } // namespace internal | 545 } // namespace internal |
560 } // namespace v8 | 546 } // namespace v8 |
561 | 547 |
562 #endif // V8_IA32_ASSEMBLER_IA32_INL_H_ | 548 #endif // V8_IA32_ASSEMBLER_IA32_INL_H_ |
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