public static CompiledFunction Compile(
ControlFlowGraph cfg,
OperandType[] argTypes,
OperandType retType,
CompilerOptions options,
PtcInfo ptcInfo = null)
{
Logger.StartPass(PassName.Dominance);
if ((options & CompilerOptions.SsaForm) != 0)
{
Dominance.FindDominators(cfg);
Dominance.FindDominanceFrontiers(cfg);
}
Logger.EndPass(PassName.Dominance);
Logger.StartPass(PassName.SsaConstruction);
if ((options & CompilerOptions.SsaForm) != 0)
{
Ssa.Construct(cfg);
}
else
{
RegisterToLocal.Rename(cfg);
}
Logger.EndPass(PassName.SsaConstruction, cfg);
CompilerContext cctx = new CompilerContext(cfg, argTypes, retType, options);
return(CodeGenerator.Generate(cctx, ptcInfo));
}
internal static TranslatedFunction Translate(IMemoryManager memory, JumpTable jumpTable, ulong address, ExecutionMode mode, bool highCq)
{
ArmEmitterContext context = new ArmEmitterContext(memory, jumpTable, address, highCq, Aarch32Mode.User);
Logger.StartPass(PassName.Decoding);
Block[] blocks = Decoder.Decode(memory, address, mode, highCq, singleBlock: false);
Logger.EndPass(PassName.Decoding);
PreparePool(highCq ? 1 : 0);
Logger.StartPass(PassName.Translation);
EmitSynchronization(context);
if (blocks[0].Address != address)
{
context.Branch(context.GetLabel(address));
}
ControlFlowGraph cfg = EmitAndGetCFG(context, blocks, out Range funcRange);
ulong funcSize = funcRange.End - funcRange.Start;
Logger.EndPass(PassName.Translation);
Logger.StartPass(PassName.RegisterUsage);
RegisterUsage.RunPass(cfg, mode);
Logger.EndPass(PassName.RegisterUsage);
OperandType[] argTypes = new OperandType[] { OperandType.I64 };
CompilerOptions options = highCq ? CompilerOptions.HighCq : CompilerOptions.None;
GuestFunction func;
if (Ptc.State == PtcState.Disabled)
{
func = Compiler.Compile <GuestFunction>(cfg, argTypes, OperandType.I64, options);
ResetPool(highCq ? 1 : 0);
}
else
{
using PtcInfo ptcInfo = new PtcInfo();
func = Compiler.Compile <GuestFunction>(cfg, argTypes, OperandType.I64, options, ptcInfo);
ResetPool(highCq ? 1 : 0);
Hash128 hash = Ptc.ComputeHash(memory, address, funcSize);
Ptc.WriteInfoCodeRelocUnwindInfo(address, funcSize, hash, highCq, ptcInfo);
}
return(new TranslatedFunction(func, funcSize, highCq));
}
internal static TranslatedFunction Translate(IMemoryManager memory, JumpTable jumpTable, ulong address, ExecutionMode mode, bool highCq)
{
ArmEmitterContext context = new ArmEmitterContext(memory, jumpTable, (long)address, highCq, Aarch32Mode.User);
PrepareOperandPool(highCq);
PrepareOperationPool(highCq);
Logger.StartPass(PassName.Decoding);
Block[] blocks = Decoder.DecodeFunction(memory, address, mode, highCq);
Logger.EndPass(PassName.Decoding);
Logger.StartPass(PassName.Translation);
EmitSynchronization(context);
if (blocks[0].Address != address)
{
context.Branch(context.GetLabel(address));
}
ControlFlowGraph cfg = EmitAndGetCFG(context, blocks);
Logger.EndPass(PassName.Translation);
Logger.StartPass(PassName.RegisterUsage);
RegisterUsage.RunPass(cfg, mode, isCompleteFunction: false);
Logger.EndPass(PassName.RegisterUsage);
OperandType[] argTypes = new OperandType[] { OperandType.I64 };
CompilerOptions options = highCq ? CompilerOptions.HighCq : CompilerOptions.None;
GuestFunction func;
if (Ptc.State == PtcState.Disabled)
{
func = Compiler.Compile <GuestFunction>(cfg, argTypes, OperandType.I64, options);
}
else
{
using (PtcInfo ptcInfo = new PtcInfo())
{
func = Compiler.Compile <GuestFunction>(cfg, argTypes, OperandType.I64, options, ptcInfo);
Ptc.WriteInfoCodeReloc((long)address, highCq, ptcInfo);
}
}
ResetOperandPool(highCq);
ResetOperationPool(highCq);
return(new TranslatedFunction(func, highCq));
}
public static T Compile <T>(
ControlFlowGraph cfg,
OperandType[] argTypes,
OperandType retType,
CompilerOptions options,
PtcInfo ptcInfo = null)
{
CompiledFunction func = Compile(cfg, argTypes, retType, options, ptcInfo);
IntPtr codePtr = JitCache.Map(func);
return(Marshal.GetDelegateForFunctionPointer <T>(codePtr));
}
public CodeGenContext(Stream stream, AllocationResult allocResult, int maxCallArgs, int blocksCount, PtcInfo ptcInfo = null)
{
_stream = stream;
AllocResult = allocResult;
Assembler = new Assembler(stream, ptcInfo);
CallArgsRegionSize = GetCallArgsRegionSize(allocResult, maxCallArgs, out int xmmSaveRegionSize);
XmmSaveRegionSize = xmmSaveRegionSize;
_blockOffsets = new long[blocksCount];
_jumps = new List <Jump>();
_ptcInfo = ptcInfo;
_ptcDisabled = ptcInfo == null;
}
