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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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7945 const int length = args.smi_at(2); | 7945 const int length = args.smi_at(2); |
7946 | 7946 |
7947 Object* result; | 7947 Object* result; |
7948 { MaybeObject* maybe_result = | 7948 { MaybeObject* maybe_result = |
7949 isolate->heap()->AllocateArgumentsObject(callee, length); | 7949 isolate->heap()->AllocateArgumentsObject(callee, length); |
7950 if (!maybe_result->ToObject(&result)) return maybe_result; | 7950 if (!maybe_result->ToObject(&result)) return maybe_result; |
7951 } | 7951 } |
7952 // Allocate the elements if needed. | 7952 // Allocate the elements if needed. |
7953 if (length > 0) { | 7953 if (length > 0) { |
7954 // Allocate the fixed array. | 7954 // Allocate the fixed array. |
7955 Object* obj; | 7955 FixedArray* array; |
7956 { MaybeObject* maybe_obj = isolate->heap()->AllocateRawFixedArray(length); | 7956 { MaybeObject* maybe_obj = |
7957 if (!maybe_obj->ToObject(&obj)) return maybe_obj; | 7957 isolate->heap()->AllocateUninitializedFixedArray(length); |
| 7958 if (!maybe_obj->To(&array)) return maybe_obj; |
7958 } | 7959 } |
7959 | 7960 |
7960 DisallowHeapAllocation no_gc; | 7961 DisallowHeapAllocation no_gc; |
7961 FixedArray* array = reinterpret_cast<FixedArray*>(obj); | |
7962 array->set_map_no_write_barrier(isolate->heap()->fixed_array_map()); | |
7963 array->set_length(length); | |
7964 | |
7965 WriteBarrierMode mode = array->GetWriteBarrierMode(no_gc); | 7962 WriteBarrierMode mode = array->GetWriteBarrierMode(no_gc); |
7966 for (int i = 0; i < length; i++) { | 7963 for (int i = 0; i < length; i++) { |
7967 array->set(i, *--parameters, mode); | 7964 array->set(i, *--parameters, mode); |
7968 } | 7965 } |
7969 JSObject::cast(result)->set_elements(FixedArray::cast(obj)); | 7966 JSObject::cast(result)->set_elements(array); |
7970 } | 7967 } |
7971 return result; | 7968 return result; |
7972 } | 7969 } |
7973 | 7970 |
7974 | 7971 |
7975 RUNTIME_FUNCTION(MaybeObject*, Runtime_NewClosureFromStubFailure) { | 7972 RUNTIME_FUNCTION(MaybeObject*, Runtime_NewClosureFromStubFailure) { |
7976 HandleScope scope(isolate); | 7973 HandleScope scope(isolate); |
7977 ASSERT(args.length() == 1); | 7974 ASSERT(args.length() == 1); |
7978 CONVERT_ARG_HANDLE_CHECKED(SharedFunctionInfo, shared, 0); | 7975 CONVERT_ARG_HANDLE_CHECKED(SharedFunctionInfo, shared, 0); |
7979 Handle<Context> context(isolate->context()); | 7976 Handle<Context> context(isolate->context()); |
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14808 // Handle last resort GC and make sure to allow future allocations | 14805 // Handle last resort GC and make sure to allow future allocations |
14809 // to grow the heap without causing GCs (if possible). | 14806 // to grow the heap without causing GCs (if possible). |
14810 isolate->counters()->gc_last_resort_from_js()->Increment(); | 14807 isolate->counters()->gc_last_resort_from_js()->Increment(); |
14811 isolate->heap()->CollectAllGarbage(Heap::kNoGCFlags, | 14808 isolate->heap()->CollectAllGarbage(Heap::kNoGCFlags, |
14812 "Runtime::PerformGC"); | 14809 "Runtime::PerformGC"); |
14813 } | 14810 } |
14814 } | 14811 } |
14815 | 14812 |
14816 | 14813 |
14817 } } // namespace v8::internal | 14814 } } // namespace v8::internal |
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