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Issue 27717003: HeapProfiler: integrate FindUntrackedObjects into js code. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: cosmetic change Created 7 years, 2 months ago
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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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273 MemoryChunk::IncrementLiveBytesFromMutator(elms->address(), -size_delta); 273 MemoryChunk::IncrementLiveBytesFromMutator(elms->address(), -size_delta);
274 } 274 }
275 275
276 FixedArrayBase* new_elms = FixedArrayBase::cast(HeapObject::FromAddress( 276 FixedArrayBase* new_elms = FixedArrayBase::cast(HeapObject::FromAddress(
277 elms->address() + size_delta)); 277 elms->address() + size_delta));
278 HeapProfiler* profiler = heap->isolate()->heap_profiler(); 278 HeapProfiler* profiler = heap->isolate()->heap_profiler();
279 if (profiler->is_profiling()) { 279 if (profiler->is_profiling()) {
280 profiler->ObjectMoveEvent(elms->address(), 280 profiler->ObjectMoveEvent(elms->address(),
281 new_elms->address(), 281 new_elms->address(),
282 new_elms->Size()); 282 new_elms->Size());
283 if (profiler->is_tracking_allocations()) {
284 // Report filler object as a new allocation.
285 // Otherwise it will become an untracked object.
286 profiler->NewObjectEvent(elms->address(), elms->Size());
287 }
283 } 288 }
284 return new_elms; 289 return new_elms;
285 } 290 }
286 291
287 292
288 static bool ArrayPrototypeHasNoElements(Heap* heap, 293 static bool ArrayPrototypeHasNoElements(Heap* heap,
289 Context* native_context, 294 Context* native_context,
290 JSObject* array_proto) { 295 JSObject* array_proto) {
291 // This method depends on non writability of Object and Array prototype 296 // This method depends on non writability of Object and Array prototype
292 // fields. 297 // fields.
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1816 } 1821 }
1817 BUILTIN_LIST_C(DEFINE_BUILTIN_ACCESSOR_C) 1822 BUILTIN_LIST_C(DEFINE_BUILTIN_ACCESSOR_C)
1818 BUILTIN_LIST_A(DEFINE_BUILTIN_ACCESSOR_A) 1823 BUILTIN_LIST_A(DEFINE_BUILTIN_ACCESSOR_A)
1819 BUILTIN_LIST_H(DEFINE_BUILTIN_ACCESSOR_H) 1824 BUILTIN_LIST_H(DEFINE_BUILTIN_ACCESSOR_H)
1820 BUILTIN_LIST_DEBUG_A(DEFINE_BUILTIN_ACCESSOR_A) 1825 BUILTIN_LIST_DEBUG_A(DEFINE_BUILTIN_ACCESSOR_A)
1821 #undef DEFINE_BUILTIN_ACCESSOR_C 1826 #undef DEFINE_BUILTIN_ACCESSOR_C
1822 #undef DEFINE_BUILTIN_ACCESSOR_A 1827 #undef DEFINE_BUILTIN_ACCESSOR_A
1823 1828
1824 1829
1825 } } // namespace v8::internal 1830 } } // namespace v8::internal
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