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codegen.h
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27 
28 #ifndef V8_CODEGEN_H_
29 #define V8_CODEGEN_H_
30 
31 #include "code-stubs.h"
32 #include "runtime.h"
33 #include "type-info.h"
34 
35 // Include the declaration of the architecture defined class CodeGenerator.
36 // The contract to the shared code is that the the CodeGenerator is a subclass
37 // of Visitor and that the following methods are available publicly:
38 // MakeCode
39 // MakeCodePrologue
40 // MakeCodeEpilogue
41 // masm
42 // frame
43 // script
44 // has_valid_frame
45 // SetFrame
46 // DeleteFrame
47 // allocator
48 // AddDeferred
49 // in_spilled_code
50 // set_in_spilled_code
51 // RecordPositions
52 //
53 // These methods are either used privately by the shared code or implemented as
54 // shared code:
55 // CodeGenerator
56 // ~CodeGenerator
57 // Generate
58 // ComputeLazyCompile
59 // BuildFunctionInfo
60 // ProcessDeclarations
61 // DeclareGlobals
62 // CheckForInlineRuntimeCall
63 // AnalyzeCondition
64 // CodeForFunctionPosition
65 // CodeForReturnPosition
66 // CodeForStatementPosition
67 // CodeForDoWhileConditionPosition
68 // CodeForSourcePosition
69 
71 
72 #if V8_TARGET_ARCH_IA32
73 #include "ia32/codegen-ia32.h"
74 #elif V8_TARGET_ARCH_X64
75 #include "x64/codegen-x64.h"
76 #elif V8_TARGET_ARCH_ARM
77 #include "arm/codegen-arm.h"
78 #elif V8_TARGET_ARCH_MIPS
79 #include "mips/codegen-mips.h"
80 #else
81 #error Unsupported target architecture.
82 #endif
83 
84 namespace v8 {
85 namespace internal {
86 
87 // Results of the library implementation of transcendental functions may differ
88 // from the one we use in our generated code. Therefore we use the same
89 // generated code both in runtime and compiled code.
90 typedef double (*UnaryMathFunction)(double x);
91 
94 
95 
97  public:
99  static void GenerateSmiToDouble(MacroAssembler* masm, Label* fail);
100  static void GenerateDoubleToObject(MacroAssembler* masm, Label* fail);
101 
102  private:
103  DISALLOW_COPY_AND_ASSIGN(ElementsTransitionGenerator);
104 };
105 
106 } } // namespace v8::internal
107 
108 #endif // V8_CODEGEN_H_
double(* UnaryMathFunction)(double x)
Definition: codegen.h:90
UnaryMathFunction CreateSqrtFunction()
static void GenerateSmiToDouble(MacroAssembler *masm, Label *fail)
static void GenerateMapChangeElementsTransition(MacroAssembler *masm)
static void GenerateDoubleToObject(MacroAssembler *masm, Label *fail)
UnaryMathFunction CreateTranscendentalFunction(TranscendentalCache::Type type)
TypeofState
Definition: codegen.h:70