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/macro-assembler.h"
10#include "src/objects.h"
11
12namespace v8 {
13namespace internal {
14
15
16class PropertyAccessCompiler BASE_EMBEDDED {
17 public:
18  static Builtins::Name MissBuiltin(Code::Kind kind) {
19    switch (kind) {
20      case Code::LOAD_IC:
21        return Builtins::kLoadIC_Miss;
22      case Code::STORE_IC:
23        return Builtins::kStoreIC_Miss;
24      case Code::KEYED_LOAD_IC:
25        return Builtins::kKeyedLoadIC_Miss;
26      case Code::KEYED_STORE_IC:
27        return Builtins::kKeyedStoreIC_Miss;
28      default:
29        UNREACHABLE();
30    }
31    return Builtins::kLoadIC_Miss;
32  }
33
34  static void TailCallBuiltin(MacroAssembler* masm, Builtins::Name name);
35
36 protected:
37  PropertyAccessCompiler(Isolate* isolate, Code::Kind kind,
38                         CacheHolderFlag cache_holder)
39      : registers_(GetCallingConvention(kind)),
40        kind_(kind),
41        cache_holder_(cache_holder),
42        isolate_(isolate),
43        masm_(isolate, NULL, 256) {}
44
45  Code::Kind kind() const { return kind_; }
46  CacheHolderFlag cache_holder() const { return cache_holder_; }
47  MacroAssembler* masm() { return &masm_; }
48  Isolate* isolate() const { return isolate_; }
49  Heap* heap() const { return isolate()->heap(); }
50  Factory* factory() const { return isolate()->factory(); }
51
52  Register receiver() const { return registers_[0]; }
53  Register name() const { return registers_[1]; }
54  Register scratch1() const { return registers_[2]; }
55  Register scratch2() const { return registers_[3]; }
56  Register scratch3() const { return registers_[4]; }
57
58  // Calling convention between indexed store IC and handler.
59  Register transition_map() const { return scratch1(); }
60
61  static Register* GetCallingConvention(Code::Kind);
62  static Register* load_calling_convention();
63  static Register* store_calling_convention();
64  static Register* keyed_store_calling_convention();
65
66  Register* registers_;
67
68  static void GenerateTailCall(MacroAssembler* masm, Handle<Code> code);
69
70  Handle<Code> GetCodeWithFlags(Code::Flags flags, const char* name);
71  Handle<Code> GetCodeWithFlags(Code::Flags flags, Handle<Name> name);
72
73 private:
74  Code::Kind kind_;
75  CacheHolderFlag cache_holder_;
76
77  Isolate* isolate_;
78  MacroAssembler masm_;
79};
80}
81}  // namespace v8::internal
82
83#endif  // V8_IC_ACCESS_COMPILER_H_
84