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 | 5 // modification, are permitted provided that the following conditions |
6 // are met: | 6 // are 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 89 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
100 // absolute code pointer inside code object moves with the code object. | 100 // absolute code pointer inside code object moves with the code object. |
101 int32_t* p = reinterpret_cast<int32_t*>(pc_); | 101 int32_t* p = reinterpret_cast<int32_t*>(pc_); |
102 *p += delta; // relocate entry | 102 *p += delta; // relocate entry |
103 } | 103 } |
104 // We do not use pc relative addressing on ARM, so there is | 104 // We do not use pc relative addressing on ARM, so there is |
105 // nothing else to do. | 105 // nothing else to do. |
106 } | 106 } |
107 | 107 |
108 | 108 |
109 Address RelocInfo::target_address() { | 109 Address RelocInfo::target_address() { |
110 ASSERT(IsCodeTarget(rmode_) || rmode_ == RUNTIME_ENTRY); | 110 ASSERT(IsCodeTarget(rmode_) || IsRuntimeEntry(rmode_)); |
111 return Assembler::target_address_at(pc_); | 111 return Assembler::target_address_at(pc_); |
112 } | 112 } |
113 | 113 |
114 | 114 |
115 Address RelocInfo::target_address_address() { | 115 Address RelocInfo::target_address_address() { |
116 ASSERT(IsCodeTarget(rmode_) || rmode_ == RUNTIME_ENTRY | 116 ASSERT(IsCodeTarget(rmode_) || IsRuntimeEntry(rmode_) |
117 || rmode_ == EMBEDDED_OBJECT | 117 || rmode_ == EMBEDDED_OBJECT |
118 || rmode_ == EXTERNAL_REFERENCE); | 118 || rmode_ == EXTERNAL_REFERENCE); |
119 return reinterpret_cast<Address>(Assembler::target_pointer_address_at(pc_)); | 119 return reinterpret_cast<Address>(Assembler::target_pointer_address_at(pc_)); |
120 } | 120 } |
121 | 121 |
122 | 122 |
123 int RelocInfo::target_address_size() { | 123 int RelocInfo::target_address_size() { |
124 return kPointerSize; | 124 return kPointerSize; |
125 } | 125 } |
126 | 126 |
127 | 127 |
128 void RelocInfo::set_target_address(Address target, WriteBarrierMode mode) { | 128 void RelocInfo::set_target_address(Address target, WriteBarrierMode mode) { |
129 ASSERT(IsCodeTarget(rmode_) || rmode_ == RUNTIME_ENTRY); | 129 ASSERT(IsCodeTarget(rmode_) || IsRuntimeEntry(rmode_)); |
130 Assembler::set_target_address_at(pc_, target); | 130 Assembler::set_target_address_at(pc_, target); |
131 if (mode == UPDATE_WRITE_BARRIER && host() != NULL && IsCodeTarget(rmode_)) { | 131 if (mode == UPDATE_WRITE_BARRIER && host() != NULL && IsCodeTarget(rmode_)) { |
132 Object* target_code = Code::GetCodeFromTargetAddress(target); | 132 Object* target_code = Code::GetCodeFromTargetAddress(target); |
133 host()->GetHeap()->incremental_marking()->RecordWriteIntoCode( | 133 host()->GetHeap()->incremental_marking()->RecordWriteIntoCode( |
134 host(), this, HeapObject::cast(target_code)); | 134 host(), this, HeapObject::cast(target_code)); |
135 } | 135 } |
136 } | 136 } |
137 | 137 |
138 | 138 |
139 Object* RelocInfo::target_object() { | 139 Object* RelocInfo::target_object() { |
(...skipping 174 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
314 visitor->VisitCodeAgeSequence(this); | 314 visitor->VisitCodeAgeSequence(this); |
315 #ifdef ENABLE_DEBUGGER_SUPPORT | 315 #ifdef ENABLE_DEBUGGER_SUPPORT |
316 // TODO(isolates): Get a cached isolate below. | 316 // TODO(isolates): Get a cached isolate below. |
317 } else if (((RelocInfo::IsJSReturn(mode) && | 317 } else if (((RelocInfo::IsJSReturn(mode) && |
318 IsPatchedReturnSequence()) || | 318 IsPatchedReturnSequence()) || |
319 (RelocInfo::IsDebugBreakSlot(mode) && | 319 (RelocInfo::IsDebugBreakSlot(mode) && |
320 IsPatchedDebugBreakSlotSequence())) && | 320 IsPatchedDebugBreakSlotSequence())) && |
321 Isolate::Current()->debug()->has_break_points()) { | 321 Isolate::Current()->debug()->has_break_points()) { |
322 visitor->VisitDebugTarget(this); | 322 visitor->VisitDebugTarget(this); |
323 #endif | 323 #endif |
324 } else if (mode == RelocInfo::RUNTIME_ENTRY) { | 324 } else if (RelocInfo::IsRuntimeEntry(mode)) { |
325 visitor->VisitRuntimeEntry(this); | 325 visitor->VisitRuntimeEntry(this); |
326 } | 326 } |
327 } | 327 } |
328 | 328 |
329 | 329 |
330 template<typename StaticVisitor> | 330 template<typename StaticVisitor> |
331 void RelocInfo::Visit(Heap* heap) { | 331 void RelocInfo::Visit(Heap* heap) { |
332 RelocInfo::Mode mode = rmode(); | 332 RelocInfo::Mode mode = rmode(); |
333 if (mode == RelocInfo::EMBEDDED_OBJECT) { | 333 if (mode == RelocInfo::EMBEDDED_OBJECT) { |
334 StaticVisitor::VisitEmbeddedPointer(heap, this); | 334 StaticVisitor::VisitEmbeddedPointer(heap, this); |
335 } else if (RelocInfo::IsCodeTarget(mode)) { | 335 } else if (RelocInfo::IsCodeTarget(mode)) { |
336 StaticVisitor::VisitCodeTarget(heap, this); | 336 StaticVisitor::VisitCodeTarget(heap, this); |
337 } else if (mode == RelocInfo::GLOBAL_PROPERTY_CELL) { | 337 } else if (mode == RelocInfo::GLOBAL_PROPERTY_CELL) { |
338 StaticVisitor::VisitGlobalPropertyCell(heap, this); | 338 StaticVisitor::VisitGlobalPropertyCell(heap, this); |
339 } else if (mode == RelocInfo::EXTERNAL_REFERENCE) { | 339 } else if (mode == RelocInfo::EXTERNAL_REFERENCE) { |
340 StaticVisitor::VisitExternalReference(this); | 340 StaticVisitor::VisitExternalReference(this); |
341 } else if (RelocInfo::IsCodeAgeSequence(mode)) { | 341 } else if (RelocInfo::IsCodeAgeSequence(mode)) { |
342 StaticVisitor::VisitCodeAgeSequence(heap, this); | 342 StaticVisitor::VisitCodeAgeSequence(heap, this); |
343 #ifdef ENABLE_DEBUGGER_SUPPORT | 343 #ifdef ENABLE_DEBUGGER_SUPPORT |
344 } else if (heap->isolate()->debug()->has_break_points() && | 344 } else if (heap->isolate()->debug()->has_break_points() && |
345 ((RelocInfo::IsJSReturn(mode) && | 345 ((RelocInfo::IsJSReturn(mode) && |
346 IsPatchedReturnSequence()) || | 346 IsPatchedReturnSequence()) || |
347 (RelocInfo::IsDebugBreakSlot(mode) && | 347 (RelocInfo::IsDebugBreakSlot(mode) && |
348 IsPatchedDebugBreakSlotSequence()))) { | 348 IsPatchedDebugBreakSlotSequence()))) { |
349 StaticVisitor::VisitDebugTarget(heap, this); | 349 StaticVisitor::VisitDebugTarget(heap, this); |
350 #endif | 350 #endif |
351 } else if (mode == RelocInfo::RUNTIME_ENTRY) { | 351 } else if (RelocInfo::IsRuntimeEntry(mode)) { |
352 StaticVisitor::VisitRuntimeEntry(this); | 352 StaticVisitor::VisitRuntimeEntry(this); |
353 } | 353 } |
354 } | 354 } |
355 | 355 |
356 | 356 |
357 Operand::Operand(int32_t immediate, RelocInfo::Mode rmode) { | 357 Operand::Operand(int32_t immediate, RelocInfo::Mode rmode) { |
358 rm_ = no_reg; | 358 rm_ = no_reg; |
359 imm32_ = immediate; | 359 imm32_ = immediate; |
360 rmode_ = rmode; | 360 rmode_ = rmode; |
361 } | 361 } |
(...skipping 191 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
553 | 553 |
554 | 554 |
555 void Assembler::set_target_address_at(Address pc, Address target) { | 555 void Assembler::set_target_address_at(Address pc, Address target) { |
556 set_target_pointer_at(pc, target); | 556 set_target_pointer_at(pc, target); |
557 } | 557 } |
558 | 558 |
559 | 559 |
560 } } // namespace v8::internal | 560 } } // namespace v8::internal |
561 | 561 |
562 #endif // V8_ARM_ASSEMBLER_ARM_INL_H_ | 562 #endif // V8_ARM_ASSEMBLER_ARM_INL_H_ |
OLD | NEW |