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Issue 10615002: Track allocation info (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Diff with b_e Created 8 years, 1 month 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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137 static_cast<LanguageMode>(args.smi_at(index)); 137 static_cast<LanguageMode>(args.smi_at(index));
138 138
139 139
140 MUST_USE_RESULT static MaybeObject* DeepCopyBoilerplate(Isolate* isolate, 140 MUST_USE_RESULT static MaybeObject* DeepCopyBoilerplate(Isolate* isolate,
141 JSObject* boilerplate) { 141 JSObject* boilerplate) {
142 StackLimitCheck check(isolate); 142 StackLimitCheck check(isolate);
143 if (check.HasOverflowed()) return isolate->StackOverflow(); 143 if (check.HasOverflowed()) return isolate->StackOverflow();
144 144
145 Heap* heap = isolate->heap(); 145 Heap* heap = isolate->heap();
146 Object* result; 146 Object* result;
147 { MaybeObject* maybe_result = heap->CopyJSObject(boilerplate); 147 { MaybeObject* maybe_result = heap->CopyJSObject(boilerplate,
148 TRACK_ALLOCATION_ORIGIN);
148 if (!maybe_result->ToObject(&result)) return maybe_result; 149 if (!maybe_result->ToObject(&result)) return maybe_result;
149 } 150 }
150 JSObject* copy = JSObject::cast(result); 151 JSObject* copy = JSObject::cast(result);
151 152
152 // Deep copy local properties. 153 // Deep copy local properties.
153 if (copy->HasFastProperties()) { 154 if (copy->HasFastProperties()) {
154 FixedArray* properties = copy->properties(); 155 FixedArray* properties = copy->properties();
155 for (int i = 0; i < properties->length(); i++) { 156 for (int i = 0; i < properties->length(); i++) {
156 Object* value = properties->get(i); 157 Object* value = properties->get(i);
157 if (value->IsJSObject()) { 158 if (value->IsJSObject()) {
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615 if (*boilerplate == isolate->heap()->undefined_value()) { 616 if (*boilerplate == isolate->heap()->undefined_value()) {
616 boilerplate = CreateObjectLiteralBoilerplate(isolate, 617 boilerplate = CreateObjectLiteralBoilerplate(isolate,
617 literals, 618 literals,
618 constant_properties, 619 constant_properties,
619 should_have_fast_elements, 620 should_have_fast_elements,
620 has_function_literal); 621 has_function_literal);
621 if (boilerplate.is_null()) return Failure::Exception(); 622 if (boilerplate.is_null()) return Failure::Exception();
622 // Update the functions literal and return the boilerplate. 623 // Update the functions literal and return the boilerplate.
623 literals->set(literals_index, *boilerplate); 624 literals->set(literals_index, *boilerplate);
624 } 625 }
625 return isolate->heap()->CopyJSObject(JSObject::cast(*boilerplate)); 626 return isolate->heap()->CopyJSObject(JSObject::cast(*boilerplate),
627 TRACK_ALLOCATION_ORIGIN);
626 } 628 }
627 629
628 630
629 RUNTIME_FUNCTION(MaybeObject*, Runtime_CreateArrayLiteral) { 631 RUNTIME_FUNCTION(MaybeObject*, Runtime_CreateArrayLiteral) {
630 HandleScope scope(isolate); 632 HandleScope scope(isolate);
631 ASSERT(args.length() == 3); 633 ASSERT(args.length() == 3);
632 CONVERT_ARG_HANDLE_CHECKED(FixedArray, literals, 0); 634 CONVERT_ARG_HANDLE_CHECKED(FixedArray, literals, 0);
633 CONVERT_SMI_ARG_CHECKED(literals_index, 1); 635 CONVERT_SMI_ARG_CHECKED(literals_index, 1);
634 CONVERT_ARG_HANDLE_CHECKED(FixedArray, elements, 2); 636 CONVERT_ARG_HANDLE_CHECKED(FixedArray, elements, 2);
635 637
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13301 // Handle last resort GC and make sure to allow future allocations 13303 // Handle last resort GC and make sure to allow future allocations
13302 // to grow the heap without causing GCs (if possible). 13304 // to grow the heap without causing GCs (if possible).
13303 isolate->counters()->gc_last_resort_from_js()->Increment(); 13305 isolate->counters()->gc_last_resort_from_js()->Increment();
13304 isolate->heap()->CollectAllGarbage(Heap::kNoGCFlags, 13306 isolate->heap()->CollectAllGarbage(Heap::kNoGCFlags,
13305 "Runtime::PerformGC"); 13307 "Runtime::PerformGC");
13306 } 13308 }
13307 } 13309 }
13308 13310
13309 13311
13310 } } // namespace v8::internal 13312 } } // namespace v8::internal
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