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Issue 19595004: Rename AllocationSiteInfo to AllocationMemento (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 7 years, 5 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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3163 3163
3164 // First make sure we flip spaces 3164 // First make sure we flip spaces
3165 HEAP->CollectGarbage(NEW_SPACE); 3165 HEAP->CollectGarbage(NEW_SPACE);
3166 3166
3167 // Allocate the object. 3167 // Allocate the object.
3168 Handle<FixedArray> array_data = factory->NewFixedArray(2, NOT_TENURED); 3168 Handle<FixedArray> array_data = factory->NewFixedArray(2, NOT_TENURED);
3169 array_data->set(0, Smi::FromInt(1)); 3169 array_data->set(0, Smi::FromInt(1));
3170 array_data->set(1, Smi::FromInt(2)); 3170 array_data->set(1, Smi::FromInt(2));
3171 3171
3172 AllocateAllButNBytes(HEAP->new_space(), 3172 AllocateAllButNBytes(HEAP->new_space(),
3173 JSArray::kSize + AllocationSiteInfo::kSize + 3173 JSArray::kSize + AllocationMemento::kSize +
3174 kPointerSize); 3174 kPointerSize);
3175 3175
3176 Handle<JSArray> array = factory->NewJSArrayWithElements(array_data, 3176 Handle<JSArray> array = factory->NewJSArrayWithElements(array_data,
3177 FAST_SMI_ELEMENTS, 3177 FAST_SMI_ELEMENTS,
3178 NOT_TENURED); 3178 NOT_TENURED);
3179 3179
3180 CHECK_EQ(Smi::FromInt(2), array->length()); 3180 CHECK_EQ(Smi::FromInt(2), array->length());
3181 CHECK(array->HasFastSmiOrObjectElements()); 3181 CHECK(array->HasFastSmiOrObjectElements());
3182 3182
3183 // We need filler the size of AllocationSiteInfo object, plus an extra 3183 // We need filler the size of AllocationMemento object, plus an extra
3184 // fill pointer value. 3184 // fill pointer value.
3185 MaybeObject* maybe_object = HEAP->AllocateRaw( 3185 MaybeObject* maybe_object = HEAP->AllocateRaw(
3186 AllocationSiteInfo::kSize + kPointerSize, NEW_SPACE, OLD_POINTER_SPACE); 3186 AllocationMemento::kSize + kPointerSize, NEW_SPACE, OLD_POINTER_SPACE);
3187 Object* obj = NULL; 3187 Object* obj = NULL;
3188 CHECK(maybe_object->ToObject(&obj)); 3188 CHECK(maybe_object->ToObject(&obj));
3189 Address addr_obj = reinterpret_cast<Address>( 3189 Address addr_obj = reinterpret_cast<Address>(
3190 reinterpret_cast<byte*>(obj - kHeapObjectTag)); 3190 reinterpret_cast<byte*>(obj - kHeapObjectTag));
3191 HEAP->CreateFillerObjectAt(addr_obj, 3191 HEAP->CreateFillerObjectAt(addr_obj,
3192 AllocationSiteInfo::kSize + kPointerSize); 3192 AllocationMemento::kSize + kPointerSize);
3193 3193
3194 // Give the array a name, making sure not to allocate strings. 3194 // Give the array a name, making sure not to allocate strings.
3195 v8::Handle<v8::Object> array_obj = v8::Utils::ToLocal(array); 3195 v8::Handle<v8::Object> array_obj = v8::Utils::ToLocal(array);
3196 v8::Context::GetCurrent()->Global()->Set(array_name, array_obj); 3196 v8::Context::GetCurrent()->Global()->Set(array_name, array_obj);
3197 3197
3198 // This should crash with a protection violation if we are running a build 3198 // This should crash with a protection violation if we are running a build
3199 // with the bug. 3199 // with the bug.
3200 AlwaysAllocateScope aa_scope; 3200 AlwaysAllocateScope aa_scope;
3201 v8::Script::Compile(mote_code_string)->Run(); 3201 v8::Script::Compile(mote_code_string)->Run();
3202 } 3202 }
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3348 " var a = new Array(n);" 3348 " var a = new Array(n);"
3349 " for (var i = 0; i < n; i += 100) a[i] = i;" 3349 " for (var i = 0; i < n; i += 100) a[i] = i;"
3350 "};" 3350 "};"
3351 "f(10 * 1024 * 1024);"); 3351 "f(10 * 1024 * 1024);");
3352 IncrementalMarking* marking = HEAP->incremental_marking(); 3352 IncrementalMarking* marking = HEAP->incremental_marking();
3353 if (marking->IsStopped()) marking->Start(); 3353 if (marking->IsStopped()) marking->Start();
3354 // This big step should be sufficient to mark the whole array. 3354 // This big step should be sufficient to mark the whole array.
3355 marking->Step(100 * MB, IncrementalMarking::NO_GC_VIA_STACK_GUARD); 3355 marking->Step(100 * MB, IncrementalMarking::NO_GC_VIA_STACK_GUARD);
3356 ASSERT(marking->IsComplete()); 3356 ASSERT(marking->IsComplete());
3357 } 3357 }
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