Line data    Source code

       1             : // Copyright 2014 the V8 project authors. All rights reserved.
       2             : // Use of this source code is governed by a BSD-style license that can be
       3             : // found in the LICENSE file.
       4             : 
       5             : #ifndef V8_IC_ACCESS_COMPILER_H_
       6             : #define V8_IC_ACCESS_COMPILER_H_
       7             : 
       8             : #include "src/code-stubs.h"
       9             : #include "src/ic/access-compiler-data.h"
      10             : #include "src/macro-assembler.h"
      11             : #include "src/objects.h"
      12             : 
      13             : namespace v8 {
      14             : namespace internal {
      15             : 
      16             : class PropertyAccessCompiler BASE_EMBEDDED {
      17             :  public:
      18             :   enum Type { LOAD, STORE };
      19             : 
      20             :   static void TailCallBuiltin(MacroAssembler* masm, Builtins::Name name);
      21             : 
      22             :  protected:
      23      245699 :   PropertyAccessCompiler(Isolate* isolate, Type type)
      24      245699 :       : registers_(GetCallingConvention(isolate, type)),
      25             :         type_(type),
      26             :         isolate_(isolate),
      27      245699 :         masm_(isolate, nullptr, 256, CodeObjectRequired::kYes) {
      28             :     // TODO(yangguo): remove this once we can serialize IC stubs.
      29             :     masm_.enable_serializer();
      30      245699 :   }
      31             : 
      32             :   Type type() const { return type_; }
      33             : 
      34             :   MacroAssembler* masm() { return &masm_; }
      35             :   Isolate* isolate() const { return isolate_; }
      36      245699 :   Factory* factory() const { return isolate()->factory(); }
      37             : 
      38      491398 :   Register receiver() const { return registers_[0]; }
      39      484358 :   Register name() const { return registers_[1]; }
      40             :   Register slot() const;
      41             :   Register vector() const;
      42      446964 :   Register scratch1() const { return registers_[2]; }
      43      390875 :   Register scratch2() const { return registers_[3]; }
      44             : 
      45             :   Register* registers_;
      46             : 
      47             :   static void GenerateTailCall(MacroAssembler* masm, Handle<Code> code);
      48             : 
      49             :  private:
      50             :   static Register* GetCallingConvention(Isolate* isolate, Type type);
      51             :   static void InitializePlatformSpecific(AccessCompilerData* data);
      52             : 
      53             :   Type type_;
      54             :   Isolate* isolate_;
      55             :   MacroAssembler masm_;
      56             :   // Ensure that MacroAssembler has a reasonable size.
      57             :   STATIC_ASSERT(sizeof(MacroAssembler) < 128 * kPointerSize);
      58             : };
      59             : }  // namespace internal
      60             : }  // namespace v8
      61             : 
      62             : #endif  // V8_IC_ACCESS_COMPILER_H_