示例#1
0
        private TranslatedSub TranslateTier0(CpuThreadState state, MemoryManager memory, long position)
        {
            Block block = Decoder.DecodeBasicBlock(state, memory, position);

            Block[] graph = new Block[] { block };

            string subName = GetSubroutineName(position);

            ILEmitterCtx context = new ILEmitterCtx(_cache, graph, block, subName);

            do
            {
                context.EmitOpCode();
            }while (context.AdvanceOpCode());

            TranslatedSub subroutine = context.GetSubroutine();

            subroutine.SetType(TranslatedSubType.SubTier0);

            _cache.AddOrUpdate(position, subroutine, block.OpCodes.Count);

            OpCode64 lastOp = block.GetLastOp();

            return(subroutine);
        }
示例#2
0
        private void TranslateTier1(CpuThreadState state, MemoryManager memory, long position)
        {
            (Block[] graph, Block root) = Decoder.DecodeSubroutine(_cache, state, memory, position);

            string subName = GetSubroutineName(position);

            ILEmitterCtx context = new ILEmitterCtx(_cache, graph, root, subName);

            if (context.CurrBlock.Position != position)
            {
                context.Emit(OpCodes.Br, context.GetLabel(position));
            }

            do
            {
                context.EmitOpCode();
            }while (context.AdvanceOpCode());

            //Mark all methods that calls this method for ReJiting,
            //since we can now call it directly which is faster.
            if (_cache.TryGetSubroutine(position, out TranslatedSub oldSub))
            {
                foreach (long callerPos in oldSub.GetCallerPositions())
                {
                    if (_cache.TryGetSubroutine(position, out TranslatedSub callerSub))
                    {
                        callerSub.MarkForReJit();
                    }
                }
            }

            TranslatedSub subroutine = context.GetSubroutine();

            subroutine.SetType(TranslatedSubType.SubTier1);

            _cache.AddOrUpdate(position, subroutine, GetGraphInstCount(graph));
        }