OLD | NEW |
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 // |
(...skipping 63 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
74 *p += delta; // Relocate entry. | 74 *p += delta; // Relocate entry. |
75 } | 75 } |
76 } | 76 } |
77 | 77 |
78 | 78 |
79 Address RelocInfo::target_address() { | 79 Address RelocInfo::target_address() { |
80 DCHECK(IsCodeTarget(rmode_) || IsRuntimeEntry(rmode_)); | 80 DCHECK(IsCodeTarget(rmode_) || IsRuntimeEntry(rmode_)); |
81 return Assembler::target_address_at(pc_, host_); | 81 return Assembler::target_address_at(pc_, host_); |
82 } | 82 } |
83 | 83 |
84 Address RelocInfo::wasm_memory_reference() { | |
85 DCHECK(IsWasmMemoryReference(rmode_)); | |
86 return Memory::Address_at(pc_); | |
87 } | |
88 | 84 |
89 Address RelocInfo::target_address_address() { | 85 Address RelocInfo::target_address_address() { |
90 DCHECK(IsCodeTarget(rmode_) || IsRuntimeEntry(rmode_) | 86 DCHECK(IsCodeTarget(rmode_) || IsRuntimeEntry(rmode_) |
91 || rmode_ == EMBEDDED_OBJECT | 87 || rmode_ == EMBEDDED_OBJECT |
92 || rmode_ == EXTERNAL_REFERENCE); | 88 || rmode_ == EXTERNAL_REFERENCE); |
93 return reinterpret_cast<Address>(pc_); | 89 return reinterpret_cast<Address>(pc_); |
94 } | 90 } |
95 | 91 |
96 | 92 |
97 Address RelocInfo::constant_pool_entry_address() { | 93 Address RelocInfo::constant_pool_entry_address() { |
(...skipping 14 matching lines...) Expand all Loading... |
112 icache_flush_mode); | 108 icache_flush_mode); |
113 DCHECK(IsCodeTarget(rmode_) || IsRuntimeEntry(rmode_)); | 109 DCHECK(IsCodeTarget(rmode_) || IsRuntimeEntry(rmode_)); |
114 if (write_barrier_mode == UPDATE_WRITE_BARRIER && host() != NULL && | 110 if (write_barrier_mode == UPDATE_WRITE_BARRIER && host() != NULL && |
115 IsCodeTarget(rmode_)) { | 111 IsCodeTarget(rmode_)) { |
116 Object* target_code = Code::GetCodeFromTargetAddress(target); | 112 Object* target_code = Code::GetCodeFromTargetAddress(target); |
117 host()->GetHeap()->incremental_marking()->RecordWriteIntoCode( | 113 host()->GetHeap()->incremental_marking()->RecordWriteIntoCode( |
118 host(), this, HeapObject::cast(target_code)); | 114 host(), this, HeapObject::cast(target_code)); |
119 } | 115 } |
120 } | 116 } |
121 | 117 |
122 void RelocInfo::update_wasm_memory_reference( | |
123 Address old_base, Address new_base, size_t old_size, size_t new_size, | |
124 ICacheFlushMode icache_flush_mode) { | |
125 DCHECK(IsWasmMemoryReference(rmode_)); | |
126 DCHECK(old_base <= wasm_memory_reference() && | |
127 wasm_memory_reference() < old_base + old_size); | |
128 Address updated_reference = new_base + (wasm_memory_reference() - old_base); | |
129 DCHECK(new_base <= updated_reference && | |
130 updated_reference < new_base + new_size); | |
131 Memory::Address_at(pc_) = updated_reference; | |
132 if (icache_flush_mode != SKIP_ICACHE_FLUSH) { | |
133 Assembler::FlushICache(isolate_, pc_, sizeof(int32_t)); | |
134 } | |
135 } | |
136 | 118 |
137 Object* RelocInfo::target_object() { | 119 Object* RelocInfo::target_object() { |
138 DCHECK(IsCodeTarget(rmode_) || rmode_ == EMBEDDED_OBJECT); | 120 DCHECK(IsCodeTarget(rmode_) || rmode_ == EMBEDDED_OBJECT); |
139 return Memory::Object_at(pc_); | 121 return Memory::Object_at(pc_); |
140 } | 122 } |
141 | 123 |
142 | 124 |
143 Handle<Object> RelocInfo::target_object_handle(Assembler* origin) { | 125 Handle<Object> RelocInfo::target_object_handle(Assembler* origin) { |
144 DCHECK(IsCodeTarget(rmode_) || rmode_ == EMBEDDED_OBJECT); | 126 DCHECK(IsCodeTarget(rmode_) || rmode_ == EMBEDDED_OBJECT); |
145 return Memory::Object_Handle_at(pc_); | 127 return Memory::Object_Handle_at(pc_); |
(...skipping 186 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
332 } | 314 } |
333 } | 315 } |
334 | 316 |
335 | 317 |
336 | 318 |
337 Immediate::Immediate(int x) { | 319 Immediate::Immediate(int x) { |
338 x_ = x; | 320 x_ = x; |
339 rmode_ = RelocInfo::NONE32; | 321 rmode_ = RelocInfo::NONE32; |
340 } | 322 } |
341 | 323 |
342 Immediate::Immediate(Address x, RelocInfo::Mode rmode) { | |
343 x_ = reinterpret_cast<int32_t>(x); | |
344 rmode_ = rmode; | |
345 } | |
346 | 324 |
347 Immediate::Immediate(const ExternalReference& ext) { | 325 Immediate::Immediate(const ExternalReference& ext) { |
348 x_ = reinterpret_cast<int32_t>(ext.address()); | 326 x_ = reinterpret_cast<int32_t>(ext.address()); |
349 rmode_ = RelocInfo::EXTERNAL_REFERENCE; | 327 rmode_ = RelocInfo::EXTERNAL_REFERENCE; |
350 } | 328 } |
351 | 329 |
352 | 330 |
353 Immediate::Immediate(Label* internal_offset) { | 331 Immediate::Immediate(Label* internal_offset) { |
354 x_ = reinterpret_cast<int32_t>(internal_offset); | 332 x_ = reinterpret_cast<int32_t>(internal_offset); |
355 rmode_ = RelocInfo::INTERNAL_REFERENCE; | 333 rmode_ = RelocInfo::INTERNAL_REFERENCE; |
(...skipping 212 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
568 | 546 |
569 Operand::Operand(Immediate imm) { | 547 Operand::Operand(Immediate imm) { |
570 // [disp/r] | 548 // [disp/r] |
571 set_modrm(0, ebp); | 549 set_modrm(0, ebp); |
572 set_dispr(imm.x_, imm.rmode_); | 550 set_dispr(imm.x_, imm.rmode_); |
573 } | 551 } |
574 } // namespace internal | 552 } // namespace internal |
575 } // namespace v8 | 553 } // namespace v8 |
576 | 554 |
577 #endif // V8_IA32_ASSEMBLER_IA32_INL_H_ | 555 #endif // V8_IA32_ASSEMBLER_IA32_INL_H_ |
OLD | NEW |