/js/src/methodjit/TrampolineCompiler.h

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40
41#if !defined trampolines_h__ && defined JS_METHODJIT
42#define trampolines_h__
43
44#include "assembler/jit/ExecutableAllocator.h"
45#include "methodjit/CodeGenIncludes.h"
46
47namespace js {
48namespace mjit {
49
50class TrampolineCompiler
51{
52    typedef bool (*TrampolineGenerator)(Assembler &masm);
53
54public:
55    TrampolineCompiler(JSC::ExecutableAllocator *alloc, Trampolines *tramps)
56      : execAlloc(alloc), trampolines(tramps)
57    { }
58
59    bool compile();
60    static void release(Trampolines *tramps);
61
62private:
63    bool compileTrampoline(Trampolines::TrampolinePtr *where, JSC::ExecutablePool **pool,
64                           TrampolineGenerator generator);
65    
66    /* Generators for trampolines. */
67    static bool generateForceReturn(Assembler &masm);
68
69#if (defined(JS_NO_FASTCALL) && defined(JS_CPU_X86)) || defined(_WIN64)
70    static bool generateForceReturnFast(Assembler &masm);
71#endif
72
73    JSC::ExecutableAllocator *execAlloc;
74    Trampolines *trampolines;
75};
76
77} /* namespace mjit */
78} /* namespace js */
79
80#endif
81