/// <summary>
/// Gets the memory.
/// </summary>
/// <param name="operand">The operand.</param>
/// <param name="emit">if set to <c>true</c> [emit].</param>
/// <returns></returns>
private Memory GetMemory(Operand operand)
{
Memory address = null;
if (operand is FieldOperand)
{
address = this.GetAddress(operand as FieldOperand);
}
else if (operand is Argument)
{
address = this.GetAddress(operand as Argument);
}
else if (operand is Local)
{
address = this.GetAddress(operand as Local);
}
else if (operand is IR.Operands.Register)
{
address = this.GetAddress(operand as IR.Operands.Register);
}
else
{
throw new NotImplementedEngineException("Wrong '" + operand.ToString() + "' Operand.");
}
if (operand.InternalType == InternalType.I1 ||
operand.InternalType == InternalType.U1)
{
address = new ByteMemory(address);
}
else if (operand.InternalType == InternalType.I2 ||
operand.InternalType == InternalType.U2)
{
address = new WordMemory(address);
}
else if (operand.InternalType == InternalType.I4 ||
operand.InternalType == InternalType.U4 ||
operand.InternalType == InternalType.I ||
operand.InternalType == InternalType.U ||
operand.InternalType == InternalType.ValueType ||
operand.InternalType == InternalType.O ||
operand.InternalType == InternalType.M ||
operand.InternalType == InternalType.SZArray ||
operand.InternalType == InternalType.Array)
{
address = new DWordMemory(address);
}
else if (operand.InternalType == InternalType.I8 ||
operand.InternalType == InternalType.U8)
{
address = new DWordMemory(address);
}
else
{
throw new NotImplementedEngineException("'" + operand.InternalType + "' not supported.");
}
return(address);
}
/// <summary>
/// Common implementation for IL instructions which load a value onto the IL evaluation stack.
/// </summary>
private void Load (IR.Operands.Register assignee, InternalType sourceType, Memory memory)
{
switch (sourceType) {
case InternalType.I1:
this.assembly.MOVSX (R32.EAX, new ByteMemory (memory));
if (assignee.IsRegisterSet)
this.assembly.MOV (Assembly.GetRegister (assignee.Register), R32.EAX);
else
this.assembly.MOV (new DWordMemory (this.GetAddress (assignee)), R32.EAX);
break;
case InternalType.U1:
this.assembly.MOVZX (R32.EAX, new ByteMemory (memory));
if (assignee.IsRegisterSet)
this.assembly.MOV (Assembly.GetRegister (assignee.Register), R32.EAX);
else
this.assembly.MOV (new DWordMemory (this.GetAddress (assignee)), R32.EAX);
break;
case InternalType.I2:
this.assembly.MOVSX (R32.EAX, new WordMemory (memory));
if (assignee.IsRegisterSet)
this.assembly.MOV (Assembly.GetRegister (assignee.Register), R32.EAX);
else
this.assembly.MOV (new DWordMemory (this.GetAddress (assignee)), R32.EAX);
break;
case InternalType.U2:
this.assembly.MOVZX (R32.EAX, new WordMemory (memory));
if (assignee.IsRegisterSet)
this.assembly.MOV (Assembly.GetRegister (assignee.Register), R32.EAX);
else
this.assembly.MOV (new DWordMemory (this.GetAddress (assignee)), R32.EAX);
break;
case InternalType.I4:
case InternalType.U4:
case InternalType.I:
case InternalType.U:
case InternalType.O:
case InternalType.M:
case InternalType.SZArray:
case InternalType.Array:
this.assembly.MOV (R32.EAX, new DWordMemory (memory));
if (assignee.IsRegisterSet)
this.assembly.MOV (Assembly.GetRegister (assignee.Register), R32.EAX);
else
this.assembly.MOV (new DWordMemory (this.GetAddress (assignee)), R32.EAX);
break;
case InternalType.I8:
case InternalType.U8:
DWordMemory source = new DWordMemory (memory);
source.DisplacementDelta = 4;
Memory destination = this.GetAddress (assignee);
destination.DisplacementDelta = 4;
this.assembly.MOV (R32.EAX, new DWordMemory (memory));
this.assembly.MOV (new DWordMemory (this.GetAddress (assignee)), R32.EAX);
this.assembly.MOV (R32.EAX, new DWordMemory (source));
this.assembly.MOV (new DWordMemory (destination), R32.EAX);
break;
case InternalType.ValueType:
uint size = (uint) assignee.Type.Size;
if (size == 4) {
this.assembly.MOV (R32.EAX, new DWordMemory (memory));
if (assignee.IsRegisterSet)
this.assembly.MOV (Assembly.GetRegister (assignee.Register), R32.EAX);
else
this.assembly.MOV (new DWordMemory (this.GetAddress (assignee)), R32.EAX);
} else {
this.assembly.PUSH (R32.ECX);
this.assembly.PUSH (R32.ESI);
this.assembly.PUSH (R32.EDI);
this.assembly.LEA (R32.ESI, new DWordMemory (memory));
if (assignee.IsRegisterSet)
this.assembly.MOV (R32.EDI, Assembly.GetRegister (assignee.Register));
else
this.assembly.LEA (R32.EDI, new DWordMemory (this.GetAddress (assignee)));
this.assembly.MOV (R32.ECX, size);
this.assembly.CLD ();
this.assembly.REP ();
this.assembly.MOVSB ();
this.assembly.POP (R32.EDI);
this.assembly.POP (R32.ESI);
this.assembly.POP (R32.ECX);
}
break;
case InternalType.R4:
case InternalType.R8:
case InternalType.F:
case InternalType.TypedReference:
default:
throw new NotImplementedEngineException ("Load not supported for InternalType." + sourceType);
}
}
/// <summary>
/// Encodes the IL 'call', 'calli', and 'callvirt' instructions
/// </summary>
private void Call (SharpOS.AOT.IR.Instructions.Call call)
{
if (call.IsSpecialCase) {
if (this.assembly.IsInstruction (call.Method.Class.TypeFullName))
this.HandleAssemblyStub (call);
else
this.HandleBuiltIns (call);
return;
}
if (call.Method.Class.IsArray
&& call.Method.SkipProcessing) {
this.ArrayCalls (call);
return;
}
// TODO add support for call/callvirt/calli/jmp and for tail./constrained.
// Perform a null check for non-static methods
if (!(call.Method.MethodDefinition as Mono.Cecil.MethodDefinition).IsStatic) {
IR.Operands.Register identifier = call.Use [0] as IR.Operands.Register;
if (identifier.IsRegisterSet)
this.assembly.MOV (R32.EAX, Assembly.GetRegister (identifier.Register));
else
this.assembly.MOV (R32.EAX, new DWordMemory (this.GetAddress (identifier)));
NullCheck (R32.EAX);
}
PushCallParameters (call);
IR.Operands.Register assignee = call.Def as IR.Operands.Register;
if (call.Method.IsReturnTypeBigValueType) {
this.assembly.LEA (R32.EAX, this.GetAddress (assignee));
this.assembly.PUSH (R32.EAX);
}
if (call is Callvirt
&& (call.Method.IsNewSlot
|| call.Method.IsVirtual)) {
IR.Operands.Register _this = call.Use [0] as IR.Operands.Register;
if (_this.IsRegisterSet)
this.assembly.MOV (R32.EAX, Assembly.GetRegister (_this.Register));
else
this.assembly.MOV (R32.EAX, new DWordMemory (this.GetAddress (_this)));
if (call.Method.InterfaceMethodNumber == -1) {
// Do a normal vtable call
int address = this.assembly.Engine.VTableSize + this.assembly.IntSize * call.Method.VirtualSlot;
// Get the Object's VTable
this.assembly.MOV (R32.EAX, new DWordMemory (null, R32.EAX, null, 0));
// Call virtual method using the table in the Object's VTable
this.assembly.CALL (new DWordMemory (null, R32.EAX, null, 0, address));
} else {
// Do a IMT lookup call for interface method
int address = this.assembly.IntSize * call.Method.InterfaceMethodKey + this.assembly.Engine.ObjectSize;
// Get the Object's VTable
this.assembly.MOV (R32.EAX, new DWordMemory (null, R32.EAX, null, 0));
// Get the Object's ITable
this.assembly.MOV (R32.EAX, new DWordMemory (null, R32.EAX, null, 0, this.assembly.IntSize * 4));
// IMT key in case call hits a colision resolving stub
this.assembly.MOV (R32.ECX, (uint) call.Method.InterfaceMethodNumber);
// Call virtual method using the table in the Object's ITable
this.assembly.CALL (new DWordMemory (null, R32.EAX, null, 0, address));
}
} else
assembly.CALL (call.Method.AssemblyLabel);
PopCallParameters (call);
if (assignee != null) {
switch (assignee.InternalType) {
case InternalType.I:
case InternalType.M:
case InternalType.O:
case InternalType.I4:
case InternalType.SZArray:
case InternalType.Array:
if (assignee.IsRegisterSet)
this.assembly.MOV (Assembly.GetRegister (assignee.Register), R32.EAX);
else
this.assembly.MOV (new DWordMemory (this.GetAddress (assignee)), R32.EAX);
break;
case InternalType.I8:
Memory assigneeMemory = this.GetAddress (assignee);
DWordMemory low = new DWordMemory (assigneeMemory);
this.assembly.MOV (low, R32.EAX);
DWordMemory high = new DWordMemory (assigneeMemory);
high.DisplacementDelta = 4;
this.assembly.MOV (high, R32.EDX);
break;
case InternalType.ValueType:
// It is already handled above
break;
default:
throw new NotImplementedEngineException ("Call assignee handling for InternalType." + assignee.InternalType);
}
}
}
/// <summary>
/// Implements the 'mul' IL instruction, which pops two values, multiplies them, and pushes
/// the result.
/// </summary>
private void Mul (IR.Instructions.Mul instruction)
{
IR.Operands.Register assignee = instruction.Def as IR.Operands.Register;
IR.Operands.Register first = instruction.Use [0] as IR.Operands.Register;
IR.Operands.Register second = instruction.Use [1] as IR.Operands.Register;
switch (assignee.InternalType) {
case InternalType.I:
case InternalType.I4:
if (first.IsRegisterSet)
this.assembly.MOV (R32.EAX, Assembly.GetRegister (first.Register));
else
this.assembly.MOV (R32.EAX, new DWordMemory (this.GetAddress (first)));
if (instruction.MulType == IR.Instructions.Mul.Type.Mul || instruction.MulType == IR.Instructions.Mul.Type.MulUnsignedWithOverflowCheck ) {
if (second.IsRegisterSet)
this.assembly.IMUL (R32.EAX, Assembly.GetRegister (second.Register));
else
this.assembly.IMUL (R32.EAX, new DWordMemory (this.GetAddress (second)));
} else
throw new NotImplementedEngineException ("Mul not supported for Mul.Type." + instruction.MulType);
if (assignee.IsRegisterSet)
this.assembly.MOV (Assembly.GetRegister (assignee.Register), R32.EAX);
else
this.assembly.MOV (new DWordMemory (this.GetAddress (assignee)), R32.EAX);
break;
case InternalType.I8:
if (instruction.MulType == IR.Instructions.Mul.Type.Mul) {
Memory firstMemory = this.GetAddress (first);
DWordMemory firstHigh = new DWordMemory (firstMemory);
firstHigh.DisplacementDelta = 4;
DWordMemory firstLow = new DWordMemory (firstMemory);
Memory secondMemory = this.GetAddress (second);
DWordMemory secondHigh = new DWordMemory (secondMemory);
secondHigh.DisplacementDelta = 4;
DWordMemory secondLow = new DWordMemory (secondMemory);
this.assembly.PUSH (secondHigh);
this.assembly.PUSH (secondLow);
this.assembly.PUSH (firstHigh);
this.assembly.PUSH (firstLow);
this.assembly.CALL (Assembly.HELPER_LMUL);
this.assembly.ADD (R32.ESP, 16);
Memory assigneeMemory = this.GetAddress (assignee);
this.assembly.MOV (new DWordMemory (assigneeMemory), R32.EAX);
assigneeMemory.DisplacementDelta = 4;
this.assembly.MOV (new DWordMemory (assigneeMemory), R32.EDX);
} else
throw new NotImplementedEngineException ("Mul not supported for Mul.Type." + instruction.MulType);
break;
default:
throw new NotImplementedEngineException ("Mul not supported for InternalType." + assignee.InternalType);
}
}
/// <summary>
///
/// </summary>
private void ConditionCheck (IR.Instructions.ConditionCheck instruction)
{
IR.Operands.Register assignee = instruction.Def as IR.Operands.Register;
IR.Operands.Register first = instruction.Use [0] as IR.Operands.Register;
IR.Operands.Register second = instruction.Use [1] as IR.Operands.Register;
string errorLabel = assembly.GetCMPLabel;
string okLabel = assembly.GetCMPLabel;
string endLabel = assembly.GetCMPLabel;
switch (first.InternalType) {
case InternalType.M:
case InternalType.O:
case InternalType.I:
case InternalType.I4:
case InternalType.SZArray:
case InternalType.Array:
if (first.IsRegisterSet)
this.assembly.MOV (R32.EAX, Assembly.GetRegister (first.Register));
else
this.assembly.MOV (R32.EAX, new DWordMemory (this.GetAddress (first)));
if (second.IsRegisterSet)
this.assembly.MOV (R32.EDX, Assembly.GetRegister (second.Register));
else
this.assembly.MOV (R32.EDX, new DWordMemory (this.GetAddress (second)));
this.assembly.CMP (R32.EAX, R32.EDX);
RelationalTypeCMP (instruction.RelationalType, okLabel);
break;
case InternalType.I8:
DWordMemory firstAddress = new DWordMemory (this.GetAddress (first));
firstAddress.DisplacementDelta = 4;
DWordMemory secondAddress = new DWordMemory (this.GetAddress (second));
secondAddress.DisplacementDelta = 4;
this.assembly.MOV (R32.EAX, firstAddress);
this.assembly.MOV (R32.EDX, secondAddress);
this.assembly.CMP (R32.EAX, R32.EDX);
RelationalTypeCMP (instruction.RelationalType, okLabel, errorLabel);
this.assembly.MOV (R32.EAX, new DWordMemory (this.GetAddress (first)));
this.assembly.MOV (R32.EDX, new DWordMemory (this.GetAddress (second)));
this.assembly.CMP (R32.EAX, R32.EDX);
RelationalTypeCMP (instruction.RelationalType, okLabel);
break;
default:
throw new NotImplementedEngineException ("ConditionCheck for " + first.InternalType.ToString() + " and " + second.InternalType.ToString());
}
assembly.LABEL (errorLabel);
this.assembly.XOR (R32.ECX, R32.ECX);
this.assembly.JMP (endLabel);
assembly.LABEL (okLabel);
this.assembly.XOR (R32.ECX, R32.ECX);
this.assembly.INC (R32.ECX);
this.assembly.LABEL (endLabel);
if (assignee.IsRegisterSet)
this.assembly.MOV (Assembly.GetRegister (assignee.Register), R32.ECX);
else
this.assembly.MOV (new DWordMemory (this.GetAddress (assignee)), R32.ECX);
}
/// <summary>
/// Implements the 'conv' family of IL instructions, which handle conversions between primitive data types.
/// </summary>
private void Convert (IR.Instructions.Convert instruction)
{
IR.Operands.Register assignee = instruction.Def as IR.Operands.Register;
IR.Operands.Register value = instruction.Use [0] as IR.Operands.Register;
switch (value.InternalType) {
case InternalType.M:
case InternalType.I:
case InternalType.U:
case InternalType.I4:
switch (instruction.ConvertType) {
case SharpOS.AOT.IR.Instructions.Convert.Type.Conv_I1:
case SharpOS.AOT.IR.Instructions.Convert.Type.Conv_U1:
if (value.IsRegisterSet)
this.assembly.MOV (R32.EAX, Assembly.GetRegister (value.Register));
else
this.assembly.MOV (R32.EAX, new DWordMemory (this.GetAddress (value)));
this.assembly.AND (R32.EAX, (uint) 0xFF);
if (assignee.IsRegisterSet)
this.assembly.MOV (Assembly.GetRegister (assignee.Register), R32.EAX);
else
this.assembly.MOV (new DWordMemory (this.GetAddress (assignee)), R32.EAX);
break;
case SharpOS.AOT.IR.Instructions.Convert.Type.Conv_I2:
case SharpOS.AOT.IR.Instructions.Convert.Type.Conv_U2:
if (value.IsRegisterSet)
this.assembly.MOV (R32.EAX, Assembly.GetRegister (value.Register));
else
this.assembly.MOV (R32.EAX, new DWordMemory (this.GetAddress (value)));
this.assembly.AND (R32.EAX, (uint) 0xFFFF);
if (assignee.IsRegisterSet)
this.assembly.MOV (Assembly.GetRegister (assignee.Register), R32.EAX);
else
this.assembly.MOV (new DWordMemory (this.GetAddress (assignee)), R32.EAX);
break;
case SharpOS.AOT.IR.Instructions.Convert.Type.Conv_I:
case SharpOS.AOT.IR.Instructions.Convert.Type.Conv_I4:
case SharpOS.AOT.IR.Instructions.Convert.Type.Conv_U:
case SharpOS.AOT.IR.Instructions.Convert.Type.Conv_U4:
if (value.IsRegisterSet)
this.assembly.MOV (R32.EAX, Assembly.GetRegister (value.Register));
else
this.assembly.MOV (R32.EAX, new DWordMemory (this.GetAddress (value)));
if (assignee.IsRegisterSet)
this.assembly.MOV (Assembly.GetRegister (assignee.Register), R32.EAX);
else
this.assembly.MOV (new DWordMemory (this.GetAddress (assignee)), R32.EAX);
break;
case SharpOS.AOT.IR.Instructions.Convert.Type.Conv_I8:
case SharpOS.AOT.IR.Instructions.Convert.Type.Conv_U8:
if (value.IsRegisterSet)
this.assembly.MOV (R32.EAX, Assembly.GetRegister (value.Register));
else
this.assembly.MOV (R32.EAX, new DWordMemory (this.GetAddress (value)));
Memory memory = this.GetAddress (assignee);
DWordMemory low = new DWordMemory (memory);
this.assembly.MOV (low, R32.EAX);
DWordMemory high = new DWordMemory (memory);
high.DisplacementDelta = 4;
this.assembly.XOR (R32.EAX, R32.EAX);
this.assembly.MOV (high, R32.EAX);
break;
default:
throw new NotImplementedEngineException ("The conversion from " + value.InternalType +
" to " + instruction.ConvertType + " is not yet supported.");
}
break;
case InternalType.I8:
switch (instruction.ConvertType) {
case SharpOS.AOT.IR.Instructions.Convert.Type.Conv_I:
case SharpOS.AOT.IR.Instructions.Convert.Type.Conv_U:
case SharpOS.AOT.IR.Instructions.Convert.Type.Conv_I4:
case SharpOS.AOT.IR.Instructions.Convert.Type.Conv_U4:
this.assembly.MOV (R32.EAX, new DWordMemory (this.GetAddress (value)));
if (assignee.IsRegisterSet)
this.assembly.MOV (Assembly.GetRegister (assignee.Register), R32.EAX);
else
this.assembly.MOV (new DWordMemory (this.GetAddress (assignee)), R32.EAX);
break;
case SharpOS.AOT.IR.Instructions.Convert.Type.Conv_I1:
case SharpOS.AOT.IR.Instructions.Convert.Type.Conv_U1:
this.assembly.MOV (R32.EAX, new DWordMemory (this.GetAddress (value)));
this.assembly.AND (R32.EAX, (uint) 0xFF);
if (assignee.IsRegisterSet)
this.assembly.MOV (Assembly.GetRegister (assignee.Register), R32.EAX);
else
this.assembly.MOV (new DWordMemory (this.GetAddress (assignee)), R32.EAX);
break;
case SharpOS.AOT.IR.Instructions.Convert.Type.Conv_Ovf_I:
case SharpOS.AOT.IR.Instructions.Convert.Type.Conv_Ovf_I4:
string exceptLabel = this.assembly.GetCMPLabel;
string okLabel = this.assembly.GetCMPLabel;
DWordMemory upper =
new DWordMemory (this.GetAddress (value));
upper.DisplacementDelta = 4;
// Check if it will overflow
this.assembly.MOV (R32.EAX, upper);
this.assembly.CMP (R32.EAX, 0);
this.assembly.JNE (exceptLabel);
// Handle the conversion
this.assembly.MOV (R32.EAX, new DWordMemory (this.GetAddress (value)));
if (assignee.IsRegisterSet)
this.assembly.MOV (Assembly.GetRegister (assignee.Register), R32.EAX);
else
this.assembly.MOV (new DWordMemory (this.GetAddress (assignee)), R32.EAX);
this.assembly.JMP (okLabel);
// Conversion overflows, throw exception.
this.assembly.LABEL (exceptLabel);
this.assembly.CALL (this.assembly.Engine.OverflowHandler.AssemblyLabel);
this.assembly.LABEL (okLabel);
break;
default:
throw new NotImplementedEngineException ("The conversion from " + value.InternalType +
" to " + instruction.ConvertType + " is not yet supported.");
}
break;
default:
throw new NotImplementedEngineException ("Convert not supported from value type InternalType." + value.InternalType);
}
}
private void PushOperand(Operand operand)
{
if (operand is IntConstant)
{
Int32 value = System.Convert.ToInt32((operand as IntConstant).Value);
assembly.PUSH((UInt32)value);
}
else if (operand is LongConstant)
{
Int64 value = System.Convert.ToInt64((operand as LongConstant).Value);
assembly.PUSH((UInt32)(value >> 32));
assembly.PUSH((UInt32)(value & 0xFFFFFFFF));
}
else if (operand is IR.Operands.Register)
{
IR.Operands.Register identifier = operand as IR.Operands.Register;
switch (identifier.InternalType)
{
case InternalType.SZArray:
case InternalType.Array:
case InternalType.I:
case InternalType.O:
case InternalType.M:
case InternalType.I4:
if (identifier.IsRegisterSet)
{
this.assembly.PUSH(Assembly.GetRegister(identifier.Register));
}
else
{
this.assembly.PUSH(new DWordMemory(this.GetAddress(identifier)));
}
break;
case InternalType.I8:
Memory memory = this.GetAddress(identifier);
DWordMemory high = new DWordMemory(memory);
high.DisplacementDelta = 4;
assembly.PUSH(new DWordMemory(high));
DWordMemory low = new DWordMemory(memory);
assembly.PUSH(low);
break;
case InternalType.ValueType:
int size = this.method.Engine.GetTypeSize(identifier.Type.ToString());
uint pushSize = (uint)size;
if (pushSize % 4 != 0)
{
pushSize = (uint)(((pushSize / this.assembly.IntSize) + 1) * this.assembly.IntSize);
}
this.assembly.SUB(R32.ESP, pushSize);
this.assembly.PUSH(R32.ESI);
this.assembly.PUSH(R32.EDI);
this.assembly.PUSH(R32.ECX);
this.assembly.LEA(R32.ESI, new DWordMemory(this.GetAddress(identifier)));
// The 3 push above changed the ESP so we need a LEA = ESP + 12
this.assembly.LEA(R32.EDI, new Memory(null, R32.ESP, null, 0, 12));
this.assembly.MOV(R32.ECX, (uint)size);
this.assembly.CLD();
this.assembly.REP();
this.assembly.MOVSB();
this.assembly.POP(R32.ECX);
this.assembly.POP(R32.EDI);
this.assembly.POP(R32.ESI);
break;
default:
throw new NotImplementedEngineException("'" + operand + "' is not supported.");
}
}
else
{
throw new NotImplementedEngineException("'" + operand + "' is not supported.");
}
}
/// <summary>
/// SHRD mem32,reg32,CL
/// </summary>
public static void SHRD___CL (DWordMemory target, R32Type source)
{
}
/// <summary>
/// MUL mem32
/// </summary>
public static void MUL (DWordMemory target)
{
}
/// <summary>
/// MOV segreg,mem32
/// </summary>
public static void MOV (SegType target, DWordMemory source)
{
}
/// <summary>
/// MOV mem32,segreg
/// </summary>
public static void MOV (DWordMemory target, SegType source)
{
}
/// <summary>
/// JMP FAR mem32
/// </summary>
public static void JMP_FAR (DWordMemory target)
{
}
/// <summary>
/// INC mem32
/// </summary>
public static void INC (DWordMemory target)
{
}
/// <summary>
/// IMUL reg32,mem32,imm32
/// </summary>
public static void IMUL (R32Type target, DWordMemory source, UInt32 value)
{
}
/// <summary>
/// IDIV mem32
/// </summary>
public static void IDIV (DWordMemory target)
{
}
/// <summary>
/// FSUBR mem32
/// </summary>
public static void FSUBR (DWordMemory target)
{
}
/// <summary>
/// SHRD mem32,reg32,imm8
/// </summary>
public static void SHRD (DWordMemory target, R32Type source, Byte value)
{
}
/// <summary>
/// NOT mem32
/// </summary>
public static void NOT (DWordMemory target)
{
}
/// <summary>
/// SUB mem32,reg32
/// </summary>
public static void SUB (DWordMemory target, R32Type source)
{
}
/// <summary>
/// POP mem32
/// </summary>
public static void POP (DWordMemory target)
{
}
/// <summary>
/// PUSH mem32
/// </summary>
public static void PUSH (DWordMemory target)
{
}
/// <summary>
/// ROL mem32,CL
/// </summary>
public static void ROL__CL (DWordMemory target)
{
}
/// <summary>
/// Implements the 'branch' family of IL instructions.
/// </summary>
private void Branch (IR.Instructions.Branch instruction)
{
string okLabel = this.GetLabel (instruction.Block.Outs [0]);
string errorLabel = this.GetLabel (instruction.Block.Outs [1]);
IR.Operands.Register first = instruction.Use [0] as IR.Operands.Register;
IR.Operands.Register second = instruction.Use [1] as IR.Operands.Register;
switch (first.InternalType) {
case InternalType.I:
case InternalType.O:
case InternalType.M:
case InternalType.I4:
case InternalType.SZArray:
if (first.IsRegisterSet)
this.assembly.MOV (R32.EAX, Assembly.GetRegister (first.Register));
else
this.assembly.MOV (R32.EAX, new DWordMemory (this.GetAddress (first)));
if (second.IsRegisterSet)
this.assembly.MOV (R32.EDX, Assembly.GetRegister (second.Register));
else
this.assembly.MOV (R32.EDX, new DWordMemory (this.GetAddress (second)));
this.assembly.CMP (R32.EAX, R32.EDX);
this.RelationalTypeCMP (instruction.RelationalType, okLabel);
break;
case InternalType.I8:
DWordMemory firstAddress = new DWordMemory (this.GetAddress (first));
firstAddress.DisplacementDelta = 4;
DWordMemory secondAddress = new DWordMemory (this.GetAddress (second));
secondAddress.DisplacementDelta = 4;
this.assembly.MOV (R32.EAX, firstAddress);
this.assembly.MOV (R32.EDX, secondAddress);
this.assembly.CMP (R32.EAX, R32.EDX);
RelationalTypeCMP (instruction.RelationalType, okLabel, errorLabel);
this.assembly.MOV (R32.EAX, new DWordMemory (this.GetAddress (first)));
this.assembly.MOV (R32.EDX, new DWordMemory (this.GetAddress (second)));
this.assembly.CMP (R32.EAX, R32.EDX);
RelationalTypeCMP (instruction.RelationalType, okLabel);
break;
default:
throw new NotImplementedEngineException ("Branch not supported for InternalType." + first.InternalType);
}
}
/// <summary>
/// SBB reg32,mem32
/// </summary>
public static void SBB (R32Type target, DWordMemory source)
{
}
/// <summary>
/// Implements the 'dup' IR instruction, which duplicates the top value on the evaluation stack.
/// </summary>
private void Dup (IR.Instructions.Dup instruction)
{
IR.Operands.Register assignee = instruction.Def as IR.Operands.Register;
IR.Operands.Register value = instruction.Use [0] as IR.Operands.Register;
switch (assignee.InternalType) {
case InternalType.I:
case InternalType.O:
case InternalType.M:
case InternalType.I4:
case InternalType.SZArray:
case InternalType.Array:
if (value.IsRegisterSet)
this.assembly.MOV (R32.EAX, Assembly.GetRegister (value.Register));
else
this.assembly.MOV (R32.EAX, new DWordMemory (this.GetAddress (value)));
if (assignee.IsRegisterSet)
this.assembly.MOV (Assembly.GetRegister (assignee.Register), R32.EAX);
else
this.assembly.MOV (new DWordMemory (this.GetAddress (assignee)), R32.EAX);
break;
case InternalType.I8:
Memory sourceMemory = this.GetAddress (value);
DWordMemory source = new DWordMemory (sourceMemory);
source.DisplacementDelta = 4;
Memory destinationMemory = this.GetAddress (assignee);
DWordMemory destination = new DWordMemory (destinationMemory);
destination.DisplacementDelta = 4;
this.assembly.MOV (R32.EAX, source);
this.assembly.MOV (destination, R32.EAX);
this.assembly.MOV (R32.EAX, new DWordMemory (sourceMemory));
this.assembly.MOV (new DWordMemory (destinationMemory), R32.EAX);
break;
default:
throw new NotImplementedEngineException ("Dup not supported for InternalType." + assignee.InternalType);
}
}
/// <summary>
/// SBB mem32,imm32
/// </summary>
public static void SBB (DWordMemory target, UInt32 source)
{
}
/// <summary>
/// Implements the 'shr' IL instruction, which pops two values from the stack,
/// right-bit-shifts the first by the amount defined in the second, and pushes
/// the result.
/// </summary>
private void Shr (IR.Instructions.Shr instruction)
{
IR.Operands.Register assignee = instruction.Def as IR.Operands.Register;
IR.Operands.Register first = instruction.Use [0] as IR.Operands.Register;
IR.Operands.Register second = instruction.Use [1] as IR.Operands.Register;
switch (assignee.InternalType) {
case InternalType.I:
case InternalType.I4:
if (first.IsRegisterSet)
this.assembly.MOV (R32.EAX, Assembly.GetRegister (first.Register));
else
this.assembly.MOV (R32.EAX, new DWordMemory (this.GetAddress (first)));
if (second.IsRegisterSet)
this.assembly.MOV (R32.ECX, Assembly.GetRegister (second.Register));
else
this.assembly.MOV (R32.ECX, new DWordMemory (this.GetAddress (second)));
this.assembly.AND (R32.ECX, (uint) 0xFF);
if (instruction.ShrType == IR.Instructions.Shr.Type.SHR)
this.assembly.SAR__CL (R32.EAX);
else if (instruction.ShrType == IR.Instructions.Shr.Type.SHRUnsigned)
this.assembly.SHR__CL (R32.EAX);
else
throw new NotImplementedEngineException ("Shr not supported for Shr.Type." + instruction.ShrType);
if (assignee.IsRegisterSet)
this.assembly.MOV (Assembly.GetRegister (assignee.Register), R32.EAX);
else
this.assembly.MOV (new DWordMemory (this.GetAddress (assignee)), R32.EAX);
break;
case InternalType.I8:
Memory firstMemory = this.GetAddress (first);
DWordMemory high = new DWordMemory (firstMemory);
high.DisplacementDelta = 4;
DWordMemory low = new DWordMemory (firstMemory);
if (second.IsRegisterSet)
this.assembly.PUSH (Assembly.GetRegister (second.Register));
else
this.assembly.PUSH (new DWordMemory (this.GetAddress (second)));
this.assembly.PUSH (high);
this.assembly.PUSH (low);
if (instruction.ShrType == IR.Instructions.Shr.Type.SHR)
this.assembly.CALL (Assembly.HELPER_LSAR);
else if (instruction.ShrType == IR.Instructions.Shr.Type.SHRUnsigned)
this.assembly.CALL (Assembly.HELPER_LSHR);
else
throw new NotImplementedEngineException ("Shr not supported for Shr.Type." + instruction.ShrType);
this.assembly.ADD (R32.ESP, 12);
Memory assigneeMemory = this.GetAddress (assignee);
this.assembly.MOV (new DWordMemory (assigneeMemory), R32.EAX);
assigneeMemory.DisplacementDelta = 4;
this.assembly.MOV (new DWordMemory (assigneeMemory), R32.EDX);
break;
default:
throw new NotImplementedEngineException ("Shr not supported for InternalType." + assignee.InternalType);
}
}
/// <summary>
/// SHR mem32,CL
/// </summary>
public static void SHR__CL (DWordMemory target)
{
}
/// <summary>
/// Implements the 'ret' IL instruction.
/// </summary>
/// <param name="block">The block.</param>
/// <param name="instruction">The instruction.</param>
private void Return (SharpOS.AOT.IR.Instructions.Return instruction)
{
if (instruction.Use != null) {
IR.Operands.Register value = instruction.Use [0] as IR.Operands.Register;
switch (value.InternalType) {
case InternalType.I:
case InternalType.M:
case InternalType.O:
case InternalType.I4:
case InternalType.SZArray:
case InternalType.Array:
if (value.IsRegisterSet)
this.assembly.MOV (R32.EAX, Assembly.GetRegister (value.Register));
else
this.assembly.MOV (R32.EAX, new DWordMemory (this.GetAddress (value)));
break;
case InternalType.I8:
Memory assigneeMemory = this.GetAddress (value);
DWordMemory low = new DWordMemory (assigneeMemory);
this.assembly.MOV (R32.EAX, low);
DWordMemory high = new DWordMemory (assigneeMemory);
high.DisplacementDelta = 4;
this.assembly.MOV (R32.EDX, high);
break;
case InternalType.ValueType:
int size = this.method.Engine.GetTypeSize (instruction.Block.Method.ReturnType.TypeFullName, 4) / 4;
this.assembly.PUSH (R32.ECX);
this.assembly.PUSH (R32.ESI);
this.assembly.PUSH (R32.EDI);
if (value.IsRegisterSet)
this.assembly.MOV (R32.ESI, Assembly.GetRegister (value.Register));
else
this.assembly.LEA (R32.ESI, new DWordMemory (this.GetAddress (value)));
this.assembly.MOV (R32.EDI, new DWordMemory (null, R32.EBP, null, 0, 8));
this.assembly.MOV (R32.ECX, (uint) size);
this.assembly.CLD ();
this.assembly.REP ();
this.assembly.MOVSD ();
this.assembly.POP (R32.EDI);
this.assembly.POP (R32.ESI);
this.assembly.POP (R32.ECX);
break;
default:
throw new NotImplementedEngineException ("'" + instruction + "' is not supported.");
}
}
assembly.JMP (method.MethodFullName + " exit");
}
/// <summary>
/// BTC mem32,imm8
/// </summary>
public static void BTC (DWordMemory target, Byte source)
{
}
/// <summary>
/// Common implementations which pop a value from the IL evaluation stack and save it in another means
/// of storage (such as stloc, stind, starg).
/// </summary>
private void Save (Class _class, InternalType destinationType, Memory memory, IR.Operands.Register value)
{
switch (destinationType) {
case InternalType.I1:
if (value.IsRegisterSet)
this.assembly.MOV (R32.EAX, Assembly.GetRegister (value.Register));
else
this.assembly.MOV (R32.EAX, new DWordMemory (this.GetAddress (value)));
this.assembly.MOV (new ByteMemory (memory), R8.AL);
break;
case InternalType.U1:
if (value.IsRegisterSet)
this.assembly.MOV (R32.EAX, Assembly.GetRegister (value.Register));
else
this.assembly.MOV (R32.EAX, new DWordMemory (this.GetAddress (value)));
this.assembly.MOV (new ByteMemory (memory), R8.AL);
break;
case InternalType.I2:
if (value.IsRegisterSet)
this.assembly.MOV (R32.EAX, Assembly.GetRegister (value.Register));
else
this.assembly.MOV (R32.EAX, new DWordMemory (this.GetAddress (value)));
this.assembly.MOV (new WordMemory (memory), R16.AX);
break;
case InternalType.U2:
if (value.IsRegisterSet)
this.assembly.MOV (R32.EAX, Assembly.GetRegister (value.Register));
else
this.assembly.MOV (R32.EAX, new DWordMemory (this.GetAddress (value)));
this.assembly.MOV (new WordMemory (memory), R16.AX);
break;
case InternalType.I4:
case InternalType.U4:
case InternalType.I:
case InternalType.U:
case InternalType.O:
case InternalType.SZArray:
case InternalType.Array:
if (value.IsRegisterSet)
this.assembly.MOV (R32.EAX, Assembly.GetRegister (value.Register));
else
this.assembly.MOV (R32.EAX, new DWordMemory (this.GetAddress (value)));
this.assembly.MOV (new DWordMemory (memory), R32.EAX);
break;
case InternalType.I8:
case InternalType.U8:
Memory source = this.GetAddress (value);
source.DisplacementDelta = 4;
DWordMemory destination = new DWordMemory (memory);
destination.DisplacementDelta = 4;
this.assembly.MOV (R32.EAX, new DWordMemory (this.GetAddress (value)));
this.assembly.MOV (new DWordMemory (memory), R32.EAX);
this.assembly.MOV (R32.EAX, new DWordMemory (source));
this.assembly.MOV (new DWordMemory (destination), R32.EAX);
break;
case InternalType.ValueType:
uint size = (uint) this.method.Engine.GetTypeSize (_class.TypeFullName, 4);
if (size == 4) {
if (value.IsRegisterSet)
this.assembly.MOV (R32.EAX, Assembly.GetRegister (value.Register));
else
this.assembly.MOV (R32.EAX, new DWordMemory (this.GetAddress (value)));
this.assembly.MOV (new DWordMemory (memory), R32.EAX);
} else {
this.assembly.PUSH (R32.ECX);
this.assembly.PUSH (R32.ESI);
this.assembly.PUSH (R32.EDI);
if (value.IsRegisterSet)
this.assembly.MOV (R32.ESI, Assembly.GetRegister (value.Register));
else
this.assembly.LEA (R32.ESI, new DWordMemory (this.GetAddress (value)));
this.assembly.LEA (R32.EDI, new DWordMemory (memory));
this.assembly.MOV (R32.ECX, size);
this.assembly.CLD ();
this.assembly.REP ();
this.assembly.MOVSB ();
this.assembly.POP (R32.EDI);
this.assembly.POP (R32.ESI);
this.assembly.POP (R32.ECX);
}
break;
case InternalType.R4:
case InternalType.R8:
case InternalType.F:
case InternalType.M:
case InternalType.TypedReference:
default:
throw new NotImplementedEngineException ("Save not supported for InternalType." + destinationType);
}
}
/// <summary>
/// FSTP mem32
/// </summary>
public static void FSTP (DWordMemory target)
{
}