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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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6763 Object* obj = object_stack_[i]; | 6763 Object* obj = object_stack_[i]; |
6764 obj->Print(); | 6764 obj->Print(); |
6765 } | 6765 } |
6766 PrintF("=====================================\n"); | 6766 PrintF("=====================================\n"); |
6767 } | 6767 } |
6768 } | 6768 } |
6769 #endif // DEBUG || LIVE_OBJECT_LIST | 6769 #endif // DEBUG || LIVE_OBJECT_LIST |
6770 | 6770 |
6771 | 6771 |
6772 #ifdef DEBUG | 6772 #ifdef DEBUG |
| 6773 // Triggers a depth-first traversal of reachable objects from one |
| 6774 // given root object and finds a path to a specific heap object and |
| 6775 // prints it. |
| 6776 void Heap::TracePathToObjectFrom(Object* target, Object* root) { |
| 6777 PathTracer tracer(target, PathTracer::FIND_ALL, VISIT_ALL); |
| 6778 tracer.VisitPointer(&root); |
| 6779 } |
| 6780 |
| 6781 |
6773 // Triggers a depth-first traversal of reachable objects from roots | 6782 // Triggers a depth-first traversal of reachable objects from roots |
6774 // and finds a path to a specific heap object and prints it. | 6783 // and finds a path to a specific heap object and prints it. |
6775 void Heap::TracePathToObject(Object* target) { | 6784 void Heap::TracePathToObject(Object* target) { |
6776 PathTracer tracer(target, PathTracer::FIND_ALL, VISIT_ALL); | 6785 PathTracer tracer(target, PathTracer::FIND_ALL, VISIT_ALL); |
6777 IterateRoots(&tracer, VISIT_ONLY_STRONG); | 6786 IterateRoots(&tracer, VISIT_ONLY_STRONG); |
6778 } | 6787 } |
6779 | 6788 |
6780 | 6789 |
6781 // Triggers a depth-first traversal of reachable objects from roots | 6790 // Triggers a depth-first traversal of reachable objects from roots |
6782 // and finds a path to any global object and prints it. Useful for | 6791 // and finds a path to any global object and prints it. Useful for |
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7229 static_cast<int>(object_sizes_last_time_[index])); | 7238 static_cast<int>(object_sizes_last_time_[index])); |
7230 FIXED_ARRAY_SUB_INSTANCE_TYPE_LIST(ADJUST_LAST_TIME_OBJECT_COUNT) | 7239 FIXED_ARRAY_SUB_INSTANCE_TYPE_LIST(ADJUST_LAST_TIME_OBJECT_COUNT) |
7231 #undef ADJUST_LAST_TIME_OBJECT_COUNT | 7240 #undef ADJUST_LAST_TIME_OBJECT_COUNT |
7232 | 7241 |
7233 memcpy(object_counts_last_time_, object_counts_, sizeof(object_counts_)); | 7242 memcpy(object_counts_last_time_, object_counts_, sizeof(object_counts_)); |
7234 memcpy(object_sizes_last_time_, object_sizes_, sizeof(object_sizes_)); | 7243 memcpy(object_sizes_last_time_, object_sizes_, sizeof(object_sizes_)); |
7235 ClearObjectStats(); | 7244 ClearObjectStats(); |
7236 } | 7245 } |
7237 | 7246 |
7238 } } // namespace v8::internal | 7247 } } // namespace v8::internal |
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