예제 #1
0
        public static void EmitCall(ILEmitterCtx context, long imm)
        {
            if (context.Tier == TranslationTier.Tier0)
            {
                context.EmitStoreContext();

                context.TranslateAhead(imm);

                context.EmitLdc_I8(imm);

                context.Emit(OpCodes.Ret);

                return;
            }

            if (!context.TryOptEmitSubroutineCall())
            {
                context.HasSlowCall = true;

                context.EmitStoreContext();

                context.TranslateAhead(imm);

                context.EmitLdarg(TranslatedSub.StateArgIdx);

                context.EmitLdfld(typeof(CpuThreadState).GetField(nameof(CpuThreadState.CurrentTranslator),
                                                                  BindingFlags.Instance |
                                                                  BindingFlags.NonPublic));

                context.EmitLdarg(TranslatedSub.StateArgIdx);
                context.EmitLdc_I8(imm);
                context.EmitLdc_I4((int)CallType.Call);

                context.EmitPrivateCall(typeof(Translator), nameof(Translator.GetOrTranslateSubroutine));

                context.EmitLdarg(TranslatedSub.StateArgIdx);
                context.EmitLdarg(TranslatedSub.MemoryArgIdx);

                context.EmitCall(typeof(TranslatedSub), nameof(TranslatedSub.Execute));
            }

            EmitContinueOrReturnCheck(context);
        }