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
  47 namespace js {
  48 namespace mjit {
  49
  50 class TrampolineCompiler
  51 {
  52     typedef bool (*TrampolineGenerator)(Assembler &masm);
  53
  54 public:
  55     TrampolineCompiler(JSC::ExecutableAllocator *pool, Trampolines *tramps)
  56       : execPool(pool), trampolines(tramps)
  57     { }
  58
  59     bool compile();
  60     static void release(Trampolines *tramps);
  61
  62 private:
  63     bool compileTrampoline(void **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 *execPool;
  74     Trampolines *trampolines;
  75 };
  76
  77 } /* namespace mjit */
  78 } /* namespace js */
  79
  80 #endif
  81