| // Copyright 2015 the V8 project authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef V8_COMPILER_CODE_STUB_ASSEMBLER_H_ |
| #define V8_COMPILER_CODE_STUB_ASSEMBLER_H_ |
| |
| // Clients of this interface shouldn't depend on lots of compiler internals. |
| // Do not include anything from src/compiler here! |
| #include "src/allocation.h" |
| #include "src/builtins.h" |
| #include "src/runtime/runtime.h" |
| |
| namespace v8 { |
| namespace internal { |
| |
| class CallInterfaceDescriptor; |
| class Isolate; |
| class Zone; |
| |
| namespace compiler { |
| |
| class CallDescriptor; |
| class Graph; |
| class Node; |
| class Operator; |
| class RawMachineAssembler; |
| class Schedule; |
| |
| class CodeStubAssembler { |
| public: |
| CodeStubAssembler(Isolate* isolate, Zone* zone, |
| const CallInterfaceDescriptor& descriptor, Code::Kind kind, |
| const char* name); |
| virtual ~CodeStubAssembler(); |
| |
| Handle<Code> GenerateCode(); |
| |
| // Constants. |
| Node* Int32Constant(int value); |
| Node* IntPtrConstant(intptr_t value); |
| Node* NumberConstant(double value); |
| Node* HeapConstant(Handle<HeapObject> object); |
| Node* BooleanConstant(bool value); |
| |
| Node* Parameter(int value); |
| void Return(Node* value); |
| |
| // Tag and untag Smi values. |
| Node* SmiTag(Node* value); |
| Node* SmiUntag(Node* value); |
| |
| // Basic arithmetic operations. |
| Node* IntPtrAdd(Node* a, Node* b); |
| Node* IntPtrSub(Node* a, Node* b); |
| Node* WordShl(Node* value, int shift); |
| |
| // Load a field from an object on the heap. |
| Node* LoadObjectField(Node* object, int offset); |
| |
| // Call runtime function. |
| Node* CallRuntime(Runtime::FunctionId function_id, Node* context, Node* arg1); |
| Node* CallRuntime(Runtime::FunctionId function_id, Node* context, Node* arg1, |
| Node* arg2); |
| |
| Node* TailCallRuntime(Runtime::FunctionId function_id, Node* context, |
| Node* arg1); |
| Node* TailCallRuntime(Runtime::FunctionId function_id, Node* context, |
| Node* arg1, Node* arg2); |
| |
| private: |
| friend class CodeStubAssemblerTester; |
| |
| Node* CallN(CallDescriptor* descriptor, Node* code_target, Node** args); |
| Node* TailCallN(CallDescriptor* descriptor, Node* code_target, Node** args); |
| |
| Node* SmiShiftBitsConstant(); |
| |
| // Private helpers which delegate to RawMachineAssembler. |
| Graph* graph(); |
| Isolate* isolate(); |
| Zone* zone(); |
| |
| base::SmartPointer<RawMachineAssembler> raw_assembler_; |
| Code::Kind kind_; |
| const char* name_; |
| bool code_generated_; |
| |
| DISALLOW_COPY_AND_ASSIGN(CodeStubAssembler); |
| }; |
| |
| } // namespace compiler |
| } // namespace internal |
| } // namespace v8 |
| |
| #endif // V8_COMPILER_CODE_STUB_ASSEMBLER_H_ |