private static void PatchInvoke(BaseMethodCompiler methodCompiler)
{
// check if instance is null (if so, it's a static call to the methodPointer)
MosaField methodPointerField = GetField(methodCompiler.Method.DeclaringType, "methodPointer");
int methodPointerOffset = methodCompiler.TypeLayout.GetFieldOffset(methodPointerField);
Operand methodPointerOffsetOperand = Operand.CreateConstant(methodCompiler.TypeSystem, methodPointerOffset);
MosaField instanceField = GetField(methodCompiler.Method.DeclaringType, "instance");
int instanceOffset = methodCompiler.TypeLayout.GetFieldOffset(instanceField);
Operand instanceOffsetOperand = Operand.CreateConstant(methodCompiler.TypeSystem, instanceOffset);
var size = methodCompiler.Architecture.NativeInstructionSize;
bool withReturn = (methodCompiler.Method.Signature.ReturnType == null) ? false : !methodCompiler.Method.Signature.ReturnType.IsVoid;
Context b0 = new Context(CreateMethodStructure(methodCompiler, false));
Context b1 = new Context(methodCompiler.BasicBlocks.CreateBlock());
Context b2 = new Context(methodCompiler.BasicBlocks.CreateBlock());
Context b3 = new Context(methodCompiler.BasicBlocks.CreateBlock());
Operand[] vrs = new Operand[methodCompiler.Parameters.Length];
for (int i = 0; i < methodCompiler.Parameters.Length; i++)
{
var type = methodCompiler.Parameters[i].Type;
if (methodCompiler.StoreOnStack(type))
{
b0.AppendInstruction(IRInstruction.LoadParameterCompound, vrs[i], methodCompiler.Parameters[i]);
b0.MosaType = type;
}
else
{
vrs[i] = methodCompiler.VirtualRegisters.Allocate(methodCompiler.Parameters[i].Type);
var loadInstruction = BaseMethodCompilerStage.GetLoadParameterInstruction(vrs[i].Type);
var loadsize = BaseMethodCompilerStage.GetInstructionSize(vrs[i].Type);
b0.AppendInstruction(loadInstruction, loadsize, vrs[i], methodCompiler.Parameters[i]);
b0.MosaType = type;
}
}
Operand thisOperand = vrs[0];
Operand opMethod = methodCompiler.VirtualRegisters.Allocate(methodCompiler.TypeSystem.BuiltIn.U4);
Operand opInstance = methodCompiler.VirtualRegisters.Allocate(thisOperand.Type);
Operand opCompare = methodCompiler.VirtualRegisters.Allocate(methodCompiler.TypeSystem.BuiltIn.I4);
Operand opReturn = withReturn ? methodCompiler.AllocateVirtualRegisterOrStackSlot(methodCompiler.Method.Signature.ReturnType) : null;
Operand c0 = Operand.CreateConstant(methodCompiler.TypeSystem, 0);
b0.AppendInstruction(IRInstruction.LoadInteger, size, opMethod, thisOperand, methodPointerOffsetOperand);
b0.AppendInstruction(IRInstruction.LoadInteger, size, opInstance, thisOperand, instanceOffsetOperand);
b0.AppendInstruction(IRInstruction.CompareInteger, ConditionCode.Equal, opCompare, opInstance, c0);
b0.AppendInstruction(IRInstruction.CompareIntegerBranch, ConditionCode.Equal, null, opCompare, c0);
b0.AddBranchTarget(b2.Block);
b0.AppendInstruction(IRInstruction.Jmp, b1.Block);
// no instance
b1.AppendInstruction(IRInstruction.Call, opReturn, opMethod);
b1.InvokeMethod = methodCompiler.Method;
for (int i = 1; i < methodCompiler.Parameters.Length; i++)
{
b1.AddOperand(vrs[i]);
}
if (withReturn)
{
b1.SetResult(0, opReturn);
}
b1.AppendInstruction(IRInstruction.Jmp, b3.Block);
// instance
b2.AppendInstruction(IRInstruction.Call, opReturn, opMethod);
b2.InvokeMethod = methodCompiler.Method;
b2.AddOperand(opInstance);
for (int i = 1; i < methodCompiler.Parameters.Length; i++)
{
b2.AddOperand(vrs[i]);
}
if (withReturn)
{
b2.SetResult(0, opReturn);
}
b2.AppendInstruction(IRInstruction.Jmp, b3.Block);
// return
b3.AppendInstruction(IRInstruction.Return, methodCompiler.BasicBlocks.EpilogueBlock);
if (withReturn)
{
b3.SetOperand(0, opReturn);
}
}
private void PatchInvoke(BaseMethodCompiler methodCompiler)
{
// check if instance is null (if so, it's a static call to the methodPointer)
var methodPointerField = GetField(methodCompiler.Method.DeclaringType, "methodPointer");
int methodPointerOffset = methodCompiler.TypeLayout.GetFieldOffset(methodPointerField);
var methodPointerOffsetOperand = Operand.CreateConstant(methodPointerOffset, methodCompiler.TypeSystem);
var instanceField = GetField(methodCompiler.Method.DeclaringType, "instance");
int instanceOffset = methodCompiler.TypeLayout.GetFieldOffset(instanceField);
var instanceOffsetOperand = Operand.CreateConstant(instanceOffset, methodCompiler.TypeSystem);
var size = methodCompiler.Architecture.NativeInstructionSize;
bool withReturn = (methodCompiler.Method.Signature.ReturnType == null) ? false : !methodCompiler.Method.Signature.ReturnType.IsVoid;
var b0 = new Context(CreateMethodStructure(methodCompiler));
var b1 = new Context(methodCompiler.BasicBlocks.CreateBlock());
var b2 = new Context(methodCompiler.BasicBlocks.CreateBlock());
var b3 = new Context(methodCompiler.BasicBlocks.CreateBlock());
var vrs = new Operand[methodCompiler.Parameters.Length];
for (int i = 0; i < methodCompiler.Parameters.Length; i++)
{
var type = methodCompiler.Parameters[i].Type;
if (MosaTypeLayout.IsStoredOnStack(type))
{
b0.AppendInstruction(IRInstruction.LoadParameterCompound, vrs[i], methodCompiler.Parameters[i]);
b0.MosaType = type;
}
else
{
vrs[i] = methodCompiler.VirtualRegisters.Allocate(methodCompiler.Parameters[i].Type);
var loadInstruction = BaseMethodCompilerStage.GetLoadParameterInstruction(vrs[i].Type);
var loadsize = BaseMethodCompilerStage.GetInstructionSize(vrs[i].Type);
b0.AppendInstruction(loadInstruction, loadsize, vrs[i], methodCompiler.Parameters[i]);
b0.MosaType = type;
}
}
var thisOperand = vrs[0];
var opMethod = methodCompiler.VirtualRegisters.Allocate(methodCompiler.TypeSystem.BuiltIn.U4);
var opInstance = methodCompiler.VirtualRegisters.Allocate(thisOperand.Type);
var opCompare = methodCompiler.VirtualRegisters.Allocate(methodCompiler.TypeSystem.BuiltIn.I4);
var opReturn = withReturn ? methodCompiler.AllocateVirtualRegisterOrStackSlot(methodCompiler.Method.Signature.ReturnType) : null;
var c0 = Operand.CreateConstant(0, methodCompiler.TypeSystem);
b0.AppendInstruction(IRInstruction.LoadInteger, size, opMethod, thisOperand, methodPointerOffsetOperand);
b0.AppendInstruction(IRInstruction.LoadInteger, size, opInstance, thisOperand, instanceOffsetOperand);
b0.AppendInstruction(IRInstruction.CompareInteger, ConditionCode.Equal, opCompare, opInstance, c0);
b0.AppendInstruction(IRInstruction.CompareIntegerBranch, ConditionCode.Equal, null, opCompare, c0);
b0.AddBranchTarget(b2.Block);
b0.AppendInstruction(IRInstruction.Jmp, b1.Block);
var operands = new List <Operand>(methodCompiler.Parameters.Length + 1);
for (int i = 1; i < methodCompiler.Parameters.Length; i++)
{
operands.Add(vrs[i]);
}
var result = withReturn ? opReturn : null;
// no instance
b1.AppendInstruction(IRInstruction.CallDynamic, result, opMethod, operands);
b1.AppendInstruction(IRInstruction.Jmp, b3.Block);
// instance
b2.AppendInstruction(IRInstruction.CallDynamic, result, opMethod, opInstance, operands);
b2.AppendInstruction(IRInstruction.Jmp, b3.Block);
// return
if (opReturn != null)
{
b3.AppendInstruction(IRInstruction.SetReturn, null, opReturn);
}
b3.AppendInstruction(IRInstruction.Jmp, methodCompiler.BasicBlocks.EpilogueBlock);
}
private static void PatchInvoke(MethodCompiler methodCompiler)
{
// check if instance is null (if so, it's a static call to the methodPointer)
var loadInstruction = methodCompiler.Is32BitPlatform ? (BaseInstruction)IRInstruction.Load32 : IRInstruction.Load64;
var compareInstruction = methodCompiler.Is32BitPlatform ? (BaseInstruction)IRInstruction.Compare32x32 : IRInstruction.Compare64x64;
var branchInstruction = methodCompiler.Is32BitPlatform ? (BaseInstruction)IRInstruction.Branch32 : IRInstruction.Branch64;
var nativeIntegerType = methodCompiler.Is32BitPlatform ? methodCompiler.TypeSystem.BuiltIn.U4 : methodCompiler.TypeSystem.BuiltIn.U8;
var methodPointerField = GetField(methodCompiler.Method.DeclaringType, "methodPointer");
var methodPointerOffset = methodCompiler.TypeLayout.GetFieldOffset(methodPointerField);
var methodPointerOffsetOperand = methodCompiler.CreateConstant(methodPointerOffset);
var instanceField = GetField(methodCompiler.Method.DeclaringType, "instance");
var instanceOffset = methodCompiler.TypeLayout.GetFieldOffset(instanceField);
var instanceOffsetOperand = methodCompiler.CreateConstant(instanceOffset);
var size = methodCompiler.Architecture.NativeInstructionSize;
bool withReturn = (methodCompiler.Method.Signature.ReturnType == null) ? false : !methodCompiler.Method.Signature.ReturnType.IsVoid;
var b0 = new Context(CreateMethodStructure(methodCompiler));
var b1 = new Context(methodCompiler.BasicBlocks.CreateBlock());
var b2 = new Context(methodCompiler.BasicBlocks.CreateBlock());
var b3 = new Context(methodCompiler.BasicBlocks.CreateBlock());
var vrs = new Operand[methodCompiler.Parameters.Length];
for (int i = 0; i < methodCompiler.Parameters.Length; i++)
{
var type = methodCompiler.Parameters[i].Type;
if (MosaTypeLayout.CanFitInRegister(type))
{
vrs[i] = methodCompiler.VirtualRegisters.Allocate(methodCompiler.Parameters[i].Type);
var paramLoadInstruction = BaseMethodCompilerStage.GetLoadParameterInstruction(vrs[i].Type, methodCompiler.Is32BitPlatform);
b0.AppendInstruction(paramLoadInstruction, vrs[i], methodCompiler.Parameters[i]);
b0.MosaType = type;
}
else
{
b0.AppendInstruction(IRInstruction.LoadParamCompound, vrs[i], methodCompiler.Parameters[i]);
b0.MosaType = type;
}
}
var thisOperand = vrs[0];
var opMethod = methodCompiler.VirtualRegisters.Allocate(nativeIntegerType);
var opInstance = methodCompiler.VirtualRegisters.Allocate(thisOperand.Type);
var opCompare = methodCompiler.VirtualRegisters.Allocate(nativeIntegerType);
var opReturn = withReturn ? methodCompiler.AllocateVirtualRegisterOrStackSlot(methodCompiler.Method.Signature.ReturnType) : null;
b0.AppendInstruction(loadInstruction, opMethod, thisOperand, methodPointerOffsetOperand);
b0.AppendInstruction(loadInstruction, opInstance, thisOperand, instanceOffsetOperand);
b0.AppendInstruction(compareInstruction, ConditionCode.Equal, opCompare, opInstance, methodCompiler.ConstantZero);
b0.AppendInstruction(branchInstruction, ConditionCode.Equal, null, opCompare, methodCompiler.ConstantZero, b2.Block);
b0.AppendInstruction(IRInstruction.Jmp, b1.Block);
var operands = new List <Operand>(methodCompiler.Parameters.Length + 1);
for (int i = 1; i < methodCompiler.Parameters.Length; i++)
{
operands.Add(vrs[i]);
}
var result = withReturn ? opReturn : null;
// no instance
b1.AppendInstruction(IRInstruction.CallDynamic, result, opMethod, operands);
b1.InvokeMethod = methodCompiler.Method;
b1.AppendInstruction(IRInstruction.Jmp, b3.Block);
// instance
b2.AppendInstruction(IRInstruction.CallDynamic, result, opMethod, opInstance, operands);
b2.InvokeMethod = methodCompiler.Method;
b2.AppendInstruction(IRInstruction.Jmp, b3.Block);
// return
if (opReturn != null)
{
var setReturn = BaseMethodCompilerStage.GetSetReturnInstruction(opReturn.Type, methodCompiler.Is32BitPlatform);
b3.AppendInstruction(setReturn, null, opReturn);
}
b3.AppendInstruction(IRInstruction.Jmp, methodCompiler.BasicBlocks.EpilogueBlock);
}