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| 1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 the V8 project authors. All rights reserved. |
| 2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
| 3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
| 4 // met: | 4 // met: |
| 5 // | 5 // |
| 6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
| 7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
| 8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
| 9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
| 10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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| 70 v->VisitPointer(context_address()); | 70 v->VisitPointer(context_address()); |
| 71 StackFrame::IteratePc(v, pc_address(), holder); | 71 StackFrame::IteratePc(v, pc_address(), holder); |
| 72 } | 72 } |
| 73 | 73 |
| 74 | 74 |
| 75 inline StackHandler* StackHandler::FromAddress(Address address) { | 75 inline StackHandler* StackHandler::FromAddress(Address address) { |
| 76 return reinterpret_cast<StackHandler*>(address); | 76 return reinterpret_cast<StackHandler*>(address); |
| 77 } | 77 } |
| 78 | 78 |
| 79 | 79 |
| 80 inline bool StackHandler::is_entry() const { |
| 81 return state() == ENTRY; |
| 82 } |
| 83 |
| 84 |
| 85 inline bool StackHandler::is_try_catch() const { |
| 86 return state() == TRY_CATCH; |
| 87 } |
| 88 |
| 89 |
| 90 inline bool StackHandler::is_try_finally() const { |
| 91 return state() == TRY_FINALLY; |
| 92 } |
| 93 |
| 94 |
| 80 inline StackHandler::State StackHandler::state() const { | 95 inline StackHandler::State StackHandler::state() const { |
| 81 const int offset = StackHandlerConstants::kStateOffset; | 96 const int offset = StackHandlerConstants::kStateOffset; |
| 82 return static_cast<State>(Memory::int_at(address() + offset)); | 97 return static_cast<State>(Memory::int_at(address() + offset)); |
| 83 } | 98 } |
| 84 | 99 |
| 85 | 100 |
| 86 inline Object** StackHandler::context_address() const { | 101 inline Object** StackHandler::context_address() const { |
| 87 const int offset = StackHandlerConstants::kContextOffset; | 102 const int offset = StackHandlerConstants::kContextOffset; |
| 88 return reinterpret_cast<Object**>(address() + offset); | 103 return reinterpret_cast<Object**>(address() + offset); |
| 89 } | 104 } |
| 90 | 105 |
| 91 | 106 |
| 92 inline Address* StackHandler::pc_address() const { | 107 inline Address* StackHandler::pc_address() const { |
| 93 const int offset = StackHandlerConstants::kPCOffset; | 108 const int offset = StackHandlerConstants::kPCOffset; |
| 94 return reinterpret_cast<Address*>(address() + offset); | 109 return reinterpret_cast<Address*>(address() + offset); |
| 95 } | 110 } |
| 96 | 111 |
| 97 | 112 |
| 98 inline StackFrame::StackFrame(StackFrameIterator* iterator) | 113 inline StackFrame::StackFrame(StackFrameIterator* iterator) |
| 99 : iterator_(iterator), isolate_(iterator_->isolate()) { | 114 : iterator_(iterator), isolate_(iterator_->isolate()) { |
| 100 } | 115 } |
| 101 | 116 |
| 102 | 117 |
| 103 inline StackHandler* StackFrame::top_handler() const { | 118 inline StackHandler* StackFrame::top_handler() const { |
| 104 return iterator_->handler(); | 119 return iterator_->handler(); |
| 105 } | 120 } |
| 106 | 121 |
| 107 | 122 |
| 123 inline Code* StackFrame::LookupCode() const { |
| 124 return GetContainingCode(isolate(), pc()); |
| 125 } |
| 126 |
| 127 |
| 108 inline Code* StackFrame::GetContainingCode(Isolate* isolate, Address pc) { | 128 inline Code* StackFrame::GetContainingCode(Isolate* isolate, Address pc) { |
| 109 return isolate->inner_pointer_to_code_cache()->GetCacheEntry(pc)->code; | 129 return isolate->inner_pointer_to_code_cache()->GetCacheEntry(pc)->code; |
| 110 } | 130 } |
| 111 | 131 |
| 112 | 132 |
| 133 inline EntryFrame::EntryFrame(StackFrameIterator* iterator) |
| 134 : StackFrame(iterator) { |
| 135 } |
| 136 |
| 137 |
| 138 inline EntryConstructFrame::EntryConstructFrame(StackFrameIterator* iterator) |
| 139 : EntryFrame(iterator) { |
| 140 } |
| 141 |
| 142 |
| 143 inline ExitFrame::ExitFrame(StackFrameIterator* iterator) |
| 144 : StackFrame(iterator) { |
| 145 } |
| 146 |
| 147 |
| 148 inline StandardFrame::StandardFrame(StackFrameIterator* iterator) |
| 149 : StackFrame(iterator) { |
| 150 } |
| 151 |
| 152 |
| 113 inline Object* StandardFrame::GetExpression(int index) const { | 153 inline Object* StandardFrame::GetExpression(int index) const { |
| 114 return Memory::Object_at(GetExpressionAddress(index)); | 154 return Memory::Object_at(GetExpressionAddress(index)); |
| 115 } | 155 } |
| 116 | 156 |
| 117 | 157 |
| 118 inline void StandardFrame::SetExpression(int index, Object* value) { | 158 inline void StandardFrame::SetExpression(int index, Object* value) { |
| 119 Memory::Object_at(GetExpressionAddress(index)) = value; | 159 Memory::Object_at(GetExpressionAddress(index)) = value; |
| 120 } | 160 } |
| 121 | 161 |
| 122 | 162 |
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| 148 } | 188 } |
| 149 | 189 |
| 150 | 190 |
| 151 inline bool StandardFrame::IsConstructFrame(Address fp) { | 191 inline bool StandardFrame::IsConstructFrame(Address fp) { |
| 152 Object* marker = | 192 Object* marker = |
| 153 Memory::Object_at(fp + StandardFrameConstants::kMarkerOffset); | 193 Memory::Object_at(fp + StandardFrameConstants::kMarkerOffset); |
| 154 return marker == Smi::FromInt(CONSTRUCT); | 194 return marker == Smi::FromInt(CONSTRUCT); |
| 155 } | 195 } |
| 156 | 196 |
| 157 | 197 |
| 198 inline JavaScriptFrame::JavaScriptFrame(StackFrameIterator* iterator) |
| 199 : StandardFrame(iterator) { |
| 200 } |
| 201 |
| 202 |
| 158 Address JavaScriptFrame::GetParameterSlot(int index) const { | 203 Address JavaScriptFrame::GetParameterSlot(int index) const { |
| 159 int param_count = ComputeParametersCount(); | 204 int param_count = ComputeParametersCount(); |
| 160 ASSERT(-1 <= index && index < param_count); | 205 ASSERT(-1 <= index && index < param_count); |
| 161 int parameter_offset = (param_count - index - 1) * kPointerSize; | 206 int parameter_offset = (param_count - index - 1) * kPointerSize; |
| 162 return caller_sp() + parameter_offset; | 207 return caller_sp() + parameter_offset; |
| 163 } | 208 } |
| 164 | 209 |
| 165 | 210 |
| 166 Object* JavaScriptFrame::GetParameter(int index) const { | 211 Object* JavaScriptFrame::GetParameter(int index) const { |
| 167 return Memory::Object_at(GetParameterSlot(index)); | 212 return Memory::Object_at(GetParameterSlot(index)); |
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| 183 } | 228 } |
| 184 | 229 |
| 185 | 230 |
| 186 inline Object* JavaScriptFrame::function() const { | 231 inline Object* JavaScriptFrame::function() const { |
| 187 Object* result = function_slot_object(); | 232 Object* result = function_slot_object(); |
| 188 ASSERT(result->IsJSFunction()); | 233 ASSERT(result->IsJSFunction()); |
| 189 return result; | 234 return result; |
| 190 } | 235 } |
| 191 | 236 |
| 192 | 237 |
| 238 inline OptimizedFrame::OptimizedFrame(StackFrameIterator* iterator) |
| 239 : JavaScriptFrame(iterator) { |
| 240 } |
| 241 |
| 242 |
| 243 inline ArgumentsAdaptorFrame::ArgumentsAdaptorFrame( |
| 244 StackFrameIterator* iterator) : JavaScriptFrame(iterator) { |
| 245 } |
| 246 |
| 247 |
| 248 inline InternalFrame::InternalFrame(StackFrameIterator* iterator) |
| 249 : StandardFrame(iterator) { |
| 250 } |
| 251 |
| 252 |
| 253 inline ConstructFrame::ConstructFrame(StackFrameIterator* iterator) |
| 254 : InternalFrame(iterator) { |
| 255 } |
| 256 |
| 257 |
| 193 template<typename Iterator> | 258 template<typename Iterator> |
| 194 inline JavaScriptFrameIteratorTemp<Iterator>::JavaScriptFrameIteratorTemp( | 259 inline JavaScriptFrameIteratorTemp<Iterator>::JavaScriptFrameIteratorTemp( |
| 195 Isolate* isolate) | 260 Isolate* isolate) |
| 196 : iterator_(isolate) { | 261 : iterator_(isolate) { |
| 197 if (!done()) Advance(); | 262 if (!done()) Advance(); |
| 198 } | 263 } |
| 199 | 264 |
| 200 template<typename Iterator> | 265 template<typename Iterator> |
| 201 inline JavaScriptFrame* JavaScriptFrameIteratorTemp<Iterator>::frame() const { | 266 inline JavaScriptFrame* JavaScriptFrameIteratorTemp<Iterator>::frame() const { |
| 202 // TODO(1233797): The frame hierarchy needs to change. It's | 267 // TODO(1233797): The frame hierarchy needs to change. It's |
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| 245 template<typename Iterator> | 310 template<typename Iterator> |
| 246 void JavaScriptFrameIteratorTemp<Iterator>::Reset() { | 311 void JavaScriptFrameIteratorTemp<Iterator>::Reset() { |
| 247 iterator_.Reset(); | 312 iterator_.Reset(); |
| 248 if (!done()) Advance(); | 313 if (!done()) Advance(); |
| 249 } | 314 } |
| 250 | 315 |
| 251 | 316 |
| 252 } } // namespace v8::internal | 317 } } // namespace v8::internal |
| 253 | 318 |
| 254 #endif // V8_FRAMES_INL_H_ | 319 #endif // V8_FRAMES_INL_H_ |
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