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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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2860 TYPED_ARRAYS(ALLOCATE_EXTERNAL_ARRAY_MAP) | 2860 TYPED_ARRAYS(ALLOCATE_EXTERNAL_ARRAY_MAP) |
2861 #undef ALLOCATE_EXTERNAL_ARRAY_MAP | 2861 #undef ALLOCATE_EXTERNAL_ARRAY_MAP |
2862 | 2862 |
2863 #define ALLOCATE_FIXED_TYPED_ARRAY_MAP(Type, type, TYPE, ctype, size) \ | 2863 #define ALLOCATE_FIXED_TYPED_ARRAY_MAP(Type, type, TYPE, ctype, size) \ |
2864 ALLOCATE_VARSIZE_MAP(FIXED_##TYPE##_ARRAY_TYPE, \ | 2864 ALLOCATE_VARSIZE_MAP(FIXED_##TYPE##_ARRAY_TYPE, \ |
2865 fixed_##type##_array) | 2865 fixed_##type##_array) |
2866 | 2866 |
2867 TYPED_ARRAYS(ALLOCATE_FIXED_TYPED_ARRAY_MAP) | 2867 TYPED_ARRAYS(ALLOCATE_FIXED_TYPED_ARRAY_MAP) |
2868 #undef ALLOCATE_FIXED_TYPED_ARRAY_MAP | 2868 #undef ALLOCATE_FIXED_TYPED_ARRAY_MAP |
2869 | 2869 |
2870 ALLOCATE_VARSIZE_MAP(FIXED_ARRAY_TYPE, non_strict_arguments_elements) | 2870 ALLOCATE_VARSIZE_MAP(FIXED_ARRAY_TYPE, sloppy_arguments_elements) |
2871 | 2871 |
2872 ALLOCATE_VARSIZE_MAP(CODE_TYPE, code) | 2872 ALLOCATE_VARSIZE_MAP(CODE_TYPE, code) |
2873 | 2873 |
2874 ALLOCATE_MAP(CELL_TYPE, Cell::kSize, cell) | 2874 ALLOCATE_MAP(CELL_TYPE, Cell::kSize, cell) |
2875 ALLOCATE_MAP(PROPERTY_CELL_TYPE, PropertyCell::kSize, global_property_cell) | 2875 ALLOCATE_MAP(PROPERTY_CELL_TYPE, PropertyCell::kSize, global_property_cell) |
2876 ALLOCATE_MAP(FILLER_TYPE, kPointerSize, one_pointer_filler) | 2876 ALLOCATE_MAP(FILLER_TYPE, kPointerSize, one_pointer_filler) |
2877 ALLOCATE_MAP(FILLER_TYPE, 2 * kPointerSize, two_pointer_filler) | 2877 ALLOCATE_MAP(FILLER_TYPE, 2 * kPointerSize, two_pointer_filler) |
2878 | 2878 |
2879 | 2879 |
2880 for (unsigned i = 0; i < ARRAY_SIZE(struct_table); i++) { | 2880 for (unsigned i = 0; i < ARRAY_SIZE(struct_table); i++) { |
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4255 } | 4255 } |
4256 | 4256 |
4257 | 4257 |
4258 MaybeObject* Heap::AllocateArgumentsObject(Object* callee, int length) { | 4258 MaybeObject* Heap::AllocateArgumentsObject(Object* callee, int length) { |
4259 // To get fast allocation and map sharing for arguments objects we | 4259 // To get fast allocation and map sharing for arguments objects we |
4260 // allocate them based on an arguments boilerplate. | 4260 // allocate them based on an arguments boilerplate. |
4261 | 4261 |
4262 JSObject* boilerplate; | 4262 JSObject* boilerplate; |
4263 int arguments_object_size; | 4263 int arguments_object_size; |
4264 bool strict_mode_callee = callee->IsJSFunction() && | 4264 bool strict_mode_callee = callee->IsJSFunction() && |
4265 !JSFunction::cast(callee)->shared()->is_classic_mode(); | 4265 !JSFunction::cast(callee)->shared()->is_sloppy_mode(); |
4266 if (strict_mode_callee) { | 4266 if (strict_mode_callee) { |
4267 boilerplate = | 4267 boilerplate = |
4268 isolate()->context()->native_context()-> | 4268 isolate()->context()->native_context()-> |
4269 strict_mode_arguments_boilerplate(); | 4269 strict_mode_arguments_boilerplate(); |
4270 arguments_object_size = kArgumentsObjectSizeStrict; | 4270 arguments_object_size = kArgumentsObjectSizeStrict; |
4271 } else { | 4271 } else { |
4272 boilerplate = | 4272 boilerplate = |
4273 isolate()->context()->native_context()->arguments_boilerplate(); | 4273 isolate()->context()->native_context()->arguments_boilerplate(); |
4274 arguments_object_size = kArgumentsObjectSize; | 4274 arguments_object_size = kArgumentsObjectSize; |
4275 } | 4275 } |
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4290 // fields that point to new space so it's safe to skip the write | 4290 // fields that point to new space so it's safe to skip the write |
4291 // barrier here. | 4291 // barrier here. |
4292 CopyBlock(HeapObject::cast(result)->address(), | 4292 CopyBlock(HeapObject::cast(result)->address(), |
4293 boilerplate->address(), | 4293 boilerplate->address(), |
4294 JSObject::kHeaderSize); | 4294 JSObject::kHeaderSize); |
4295 | 4295 |
4296 // Set the length property. | 4296 // Set the length property. |
4297 JSObject::cast(result)->InObjectPropertyAtPut(kArgumentsLengthIndex, | 4297 JSObject::cast(result)->InObjectPropertyAtPut(kArgumentsLengthIndex, |
4298 Smi::FromInt(length), | 4298 Smi::FromInt(length), |
4299 SKIP_WRITE_BARRIER); | 4299 SKIP_WRITE_BARRIER); |
4300 // Set the callee property for non-strict mode arguments object only. | 4300 // Set the callee property for sloppy mode arguments object only. |
4301 if (!strict_mode_callee) { | 4301 if (!strict_mode_callee) { |
4302 JSObject::cast(result)->InObjectPropertyAtPut(kArgumentsCalleeIndex, | 4302 JSObject::cast(result)->InObjectPropertyAtPut(kArgumentsCalleeIndex, |
4303 callee); | 4303 callee); |
4304 } | 4304 } |
4305 | 4305 |
4306 // Check the state of the object | 4306 // Check the state of the object |
4307 ASSERT(JSObject::cast(result)->HasFastProperties()); | 4307 ASSERT(JSObject::cast(result)->HasFastProperties()); |
4308 ASSERT(JSObject::cast(result)->HasFastObjectElements()); | 4308 ASSERT(JSObject::cast(result)->HasFastObjectElements()); |
4309 | 4309 |
4310 return result; | 4310 return result; |
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7743 static_cast<int>(object_sizes_last_time_[index])); | 7743 static_cast<int>(object_sizes_last_time_[index])); |
7744 CODE_AGE_LIST_COMPLETE(ADJUST_LAST_TIME_OBJECT_COUNT) | 7744 CODE_AGE_LIST_COMPLETE(ADJUST_LAST_TIME_OBJECT_COUNT) |
7745 #undef ADJUST_LAST_TIME_OBJECT_COUNT | 7745 #undef ADJUST_LAST_TIME_OBJECT_COUNT |
7746 | 7746 |
7747 OS::MemCopy(object_counts_last_time_, object_counts_, sizeof(object_counts_)); | 7747 OS::MemCopy(object_counts_last_time_, object_counts_, sizeof(object_counts_)); |
7748 OS::MemCopy(object_sizes_last_time_, object_sizes_, sizeof(object_sizes_)); | 7748 OS::MemCopy(object_sizes_last_time_, object_sizes_, sizeof(object_sizes_)); |
7749 ClearObjectStats(); | 7749 ClearObjectStats(); |
7750 } | 7750 } |
7751 | 7751 |
7752 } } // namespace v8::internal | 7752 } } // namespace v8::internal |
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