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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 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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199 bool is_java_script() const { | 199 bool is_java_script() const { |
200 Type type = this->type(); | 200 Type type = this->type(); |
201 return (type == JAVA_SCRIPT) || (type == OPTIMIZED); | 201 return (type == JAVA_SCRIPT) || (type == OPTIMIZED); |
202 } | 202 } |
203 | 203 |
204 // Accessors. | 204 // Accessors. |
205 Address sp() const { return state_.sp; } | 205 Address sp() const { return state_.sp; } |
206 Address fp() const { return state_.fp; } | 206 Address fp() const { return state_.fp; } |
207 Address caller_sp() const { return GetCallerStackPointer(); } | 207 Address caller_sp() const { return GetCallerStackPointer(); } |
208 | 208 |
| 209 // If this frame is optimized and was dynamically aligned return its old |
| 210 // unaligned frame pointer. When the frame is deoptimized its FP will shift |
| 211 // up one word and become unaligned. |
| 212 Address UnpaddedFP() const; |
| 213 |
209 Address pc() const { return *pc_address(); } | 214 Address pc() const { return *pc_address(); } |
210 void set_pc(Address pc) { *pc_address() = pc; } | 215 void set_pc(Address pc) { *pc_address() = pc; } |
211 | 216 |
212 virtual void SetCallerFp(Address caller_fp) = 0; | 217 virtual void SetCallerFp(Address caller_fp) = 0; |
213 | 218 |
214 // Manually changes value of fp in this object. | 219 // Manually changes value of fp in this object. |
215 void UpdateFp(Address fp) { state_.fp = fp; } | 220 void UpdateFp(Address fp) { state_.fp = fp; } |
216 | 221 |
217 Address* pc_address() const { return state_.pc_address; } | 222 Address* pc_address() const { return state_.pc_address; } |
218 | 223 |
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886 }; | 891 }; |
887 | 892 |
888 | 893 |
889 // Reads all frames on the current stack and copies them into the current | 894 // Reads all frames on the current stack and copies them into the current |
890 // zone memory. | 895 // zone memory. |
891 Vector<StackFrame*> CreateStackMap(Zone* zone); | 896 Vector<StackFrame*> CreateStackMap(Zone* zone); |
892 | 897 |
893 } } // namespace v8::internal | 898 } } // namespace v8::internal |
894 | 899 |
895 #endif // V8_FRAMES_H_ | 900 #endif // V8_FRAMES_H_ |
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