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1 // Copyright 2015 the V8 project authors. All rights reserved. | 1 // Copyright 2015 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "src/runtime/runtime-utils.h" | 5 #include "src/runtime/runtime-utils.h" |
6 | 6 |
7 #include <iomanip> | 7 #include <iomanip> |
8 | 8 |
9 #include "src/arguments.h" | 9 #include "src/arguments.h" |
10 #include "src/frames-inl.h" | 10 #include "src/frames-inl.h" |
11 #include "src/interpreter/bytecode-array-iterator.h" | 11 #include "src/interpreter/bytecode-array-iterator.h" |
12 #include "src/interpreter/bytecode-decoder.h" | 12 #include "src/interpreter/bytecode-decoder.h" |
13 #include "src/interpreter/bytecode-flags.h" | 13 #include "src/interpreter/bytecode-flags.h" |
14 #include "src/interpreter/bytecode-register.h" | 14 #include "src/interpreter/bytecode-register.h" |
15 #include "src/interpreter/bytecodes.h" | 15 #include "src/interpreter/bytecodes.h" |
16 #include "src/isolate-inl.h" | 16 #include "src/isolate-inl.h" |
17 #include "src/ostreams.h" | 17 #include "src/ostreams.h" |
18 | 18 |
19 namespace v8 { | 19 namespace v8 { |
20 namespace internal { | 20 namespace internal { |
21 | 21 |
22 RUNTIME_FUNCTION(Runtime_InterpreterNewClosure) { | 22 RUNTIME_FUNCTION(Runtime_InterpreterNewClosure) { |
23 HandleScope scope(isolate); | 23 HandleScope scope(isolate); |
24 DCHECK_EQ(4, args.length()); | 24 DCHECK_EQ(2, args.length()); |
25 CONVERT_ARG_HANDLE_CHECKED(SharedFunctionInfo, shared, 0); | 25 CONVERT_ARG_HANDLE_CHECKED(SharedFunctionInfo, shared, 0); |
26 CONVERT_ARG_HANDLE_CHECKED(TypeFeedbackVector, vector, 1); | 26 CONVERT_SMI_ARG_CHECKED(pretenured_flag, 1); |
27 CONVERT_SMI_ARG_CHECKED(index, 2); | |
28 CONVERT_SMI_ARG_CHECKED(pretenured_flag, 3); | |
29 Handle<Context> context(isolate->context(), isolate); | 27 Handle<Context> context(isolate->context(), isolate); |
30 FeedbackVectorSlot slot = TypeFeedbackVector::ToSlot(index); | |
31 Handle<LiteralsArray> literals(LiteralsArray::cast(vector->Get(slot)), | |
32 isolate); | |
33 return *isolate->factory()->NewFunctionFromSharedFunctionInfo( | 28 return *isolate->factory()->NewFunctionFromSharedFunctionInfo( |
34 shared, context, literals, static_cast<PretenureFlag>(pretenured_flag)); | 29 shared, context, static_cast<PretenureFlag>(pretenured_flag)); |
35 } | 30 } |
36 | 31 |
37 namespace { | 32 namespace { |
38 | 33 |
39 void AdvanceToOffsetForTracing( | 34 void AdvanceToOffsetForTracing( |
40 interpreter::BytecodeArrayIterator& bytecode_iterator, int offset) { | 35 interpreter::BytecodeArrayIterator& bytecode_iterator, int offset) { |
41 while (bytecode_iterator.current_offset() + | 36 while (bytecode_iterator.current_offset() + |
42 bytecode_iterator.current_bytecode_size() <= | 37 bytecode_iterator.current_bytecode_size() <= |
43 offset) { | 38 offset) { |
44 bytecode_iterator.Advance(); | 39 bytecode_iterator.Advance(); |
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169 int offset = bytecode_offset - BytecodeArray::kHeaderSize + kHeapObjectTag; | 164 int offset = bytecode_offset - BytecodeArray::kHeaderSize + kHeapObjectTag; |
170 while (it.current_offset() < offset) it.Advance(); | 165 while (it.current_offset() < offset) it.Advance(); |
171 DCHECK_EQ(offset, it.current_offset()); | 166 DCHECK_EQ(offset, it.current_offset()); |
172 it.Advance(); // Advance by one bytecode. | 167 it.Advance(); // Advance by one bytecode. |
173 offset = it.current_offset() + BytecodeArray::kHeaderSize - kHeapObjectTag; | 168 offset = it.current_offset() + BytecodeArray::kHeaderSize - kHeapObjectTag; |
174 return Smi::FromInt(offset); | 169 return Smi::FromInt(offset); |
175 } | 170 } |
176 | 171 |
177 } // namespace internal | 172 } // namespace internal |
178 } // namespace v8 | 173 } // namespace v8 |
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