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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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962 StackFrameIterator iterator_; | 962 StackFrameIterator iterator_; |
963 }; | 963 }; |
964 | 964 |
965 | 965 |
966 typedef JavaScriptFrameIteratorTemp<SafeStackFrameIterator> | 966 typedef JavaScriptFrameIteratorTemp<SafeStackFrameIterator> |
967 SafeJavaScriptFrameIterator; | 967 SafeJavaScriptFrameIterator; |
968 | 968 |
969 | 969 |
970 class SafeStackTraceFrameIterator: public SafeJavaScriptFrameIterator { | 970 class SafeStackTraceFrameIterator: public SafeJavaScriptFrameIterator { |
971 public: | 971 public: |
972 SafeStackTraceFrameIterator(Isolate* isolate, | 972 explicit SafeStackTraceFrameIterator(Isolate* isolate, |
973 Address fp, | 973 Address fp, Address sp, |
974 Address sp, | 974 Address low_bound, Address high_bound); |
975 Address low_bound, | |
976 Address high_bound); | |
977 void Advance(); | 975 void Advance(); |
978 }; | 976 }; |
979 | 977 |
980 | 978 |
981 class StackFrameLocator BASE_EMBEDDED { | 979 class StackFrameLocator BASE_EMBEDDED { |
982 public: | 980 public: |
983 explicit StackFrameLocator(Isolate* isolate) : iterator_(isolate) {} | 981 explicit StackFrameLocator(Isolate* isolate) : iterator_(isolate) {} |
984 | 982 |
985 // Find the nth JavaScript frame on the stack. The caller must | 983 // Find the nth JavaScript frame on the stack. The caller must |
986 // guarantee that such a frame exists. | 984 // guarantee that such a frame exists. |
987 JavaScriptFrame* FindJavaScriptFrame(int n); | 985 JavaScriptFrame* FindJavaScriptFrame(int n); |
988 | 986 |
989 private: | 987 private: |
990 StackFrameIterator iterator_; | 988 StackFrameIterator iterator_; |
991 }; | 989 }; |
992 | 990 |
993 | 991 |
994 // Reads all frames on the current stack and copies them into the current | 992 // Reads all frames on the current stack and copies them into the current |
995 // zone memory. | 993 // zone memory. |
996 Vector<StackFrame*> CreateStackMap(Isolate* isolate, Zone* zone); | 994 Vector<StackFrame*> CreateStackMap(Isolate* isolate, Zone* zone); |
997 | 995 |
998 } } // namespace v8::internal | 996 } } // namespace v8::internal |
999 | 997 |
1000 #endif // V8_FRAMES_H_ | 998 #endif // V8_FRAMES_H_ |
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