Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame^] | 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 | |
| 12 | namespace v8 { |
| 13 | namespace internal { |
| 14 | |
| 15 | |
| 16 | class 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_ |