本文整理汇总了C#中Drivers.Compiler.IL.ILConversionState.GetTypeFieldOffset方法的典型用法代码示例。如果您正苦于以下问题：C# ILConversionState.GetTypeFieldOffset方法的具体用法？C# ILConversionState.GetTypeFieldOffset怎么用？C# ILConversionState.GetTypeFieldOffset使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Drivers.Compiler.IL.ILConversionState的用法示例。
在下文中一共展示了ILConversionState.GetTypeFieldOffset方法的7个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: Convert
/// <summary>
/// See base class documentation.
/// </summary>
/// <param name="theOp">See base class documentation.</param>
/// <param name="conversionState">See base class documentation.</param>
/// <returns>See base class documentation.</returns>
public override void Convert(ILConversionState conversionState, ILOp theOp)
{
int currOpPosition = conversionState.PositionOf(theOp);
// Test if the object provided inherits from the specified class
// 1. Pop object ref
// 1.1. Test if object ref is null:
// 1.1.1 True: Push null and continue
// 1.1.2 False: Go to 2
// 2. Load object type
// 3. Test if object type == provided type:
// 3.1 True: Push object ref and continue
// 3.2 False:
// 3.2.1. Move to base type
// 3.2.2. Test if base type null:
// 3.2.2.1 True: Push null and continue
// 3.2.2.2 False: Jump back to (3)
// 1. Pop object ref
conversionState.Append(new ASMOps.Pop() { Size = ASMOps.OperandSize.Dword, Dest = "EAX" });
// 1.1. Test if object ref is null:
conversionState.Append(new ASMOps.Cmp() { Arg1 = "EAX", Arg2 = "0" });
conversionState.Append(new ASMOps.Jmp() { JumpType = ASMOps.JmpOp.JumpNotEqual, DestILPosition = currOpPosition, Extension = "False1" });
// 1.1.1 True: Push null and continue
conversionState.Append(new ASMOps.Push() { Size = ASMOps.OperandSize.Dword, Src = "0" });
conversionState.Append(new ASMOps.Jmp() { JumpType = ASMOps.JmpOp.Jump, DestILPosition = currOpPosition, Extension = "End" });
// 1.1.2 False: Go to 2
conversionState.Append(new ASMOps.Label() { ILPosition = currOpPosition, Extension = "False1" });
// 2. Load object type
conversionState.Append(new ASMOps.Mov() { Size = ASMOps.OperandSize.Dword, Src = "[EAX]", Dest = "EBX" });
// 3. Test if object type == provided type:
int metadataToken = Utilities.ReadInt32(theOp.ValueBytes, 0);
Type theType = conversionState.Input.TheMethodInfo.UnderlyingInfo.Module.ResolveType(metadataToken);
Types.TypeInfo theTypeInfo = conversionState.TheILLibrary.GetTypeInfo(theType);
string TestTypeId = theTypeInfo.ID;
conversionState.AddExternalLabel(TestTypeId);
conversionState.Append(new ASMOps.Mov() { Size = ASMOps.OperandSize.Dword, Src = TestTypeId, Dest = "ECX" });
conversionState.Append(new ASMOps.Label() { ILPosition = currOpPosition, Extension = "Label3" });
conversionState.Append(new ASMOps.Cmp() { Arg1 = "EBX", Arg2 = "ECX" });
conversionState.Append(new ASMOps.Jmp() { JumpType = ASMOps.JmpOp.JumpNotEqual, DestILPosition = currOpPosition, Extension = "False2" });
// 3.1 True: Push object ref and continue
conversionState.Append(new ASMOps.Push() { Size = ASMOps.OperandSize.Dword, Src = "EAX" });
conversionState.Append(new ASMOps.Jmp() { JumpType = ASMOps.JmpOp.Jump, DestILPosition = currOpPosition, Extension = "End" });
// 3.2 False:
conversionState.Append(new ASMOps.Label() { ILPosition = currOpPosition, Extension = "False2" });
// 3.2.1. Move to base type
int baseTypeOffset = conversionState.GetTypeFieldOffset("TheBaseType");
conversionState.Append(new ASMOps.Mov() { Size = ASMOps.OperandSize.Dword, Src = "[EBX+"+baseTypeOffset+"]", Dest = "EBX" });
// 3.2.2. Test if base type null:
conversionState.Append(new ASMOps.Cmp() { Arg1 = "EBX", Arg2 = "0" });
// 3.2.2.2 False: Jump back to (3)
conversionState.Append(new ASMOps.Jmp() { JumpType = ASMOps.JmpOp.JumpNotEqual, DestILPosition = currOpPosition, Extension = "Label3" });
// 3.2.2.1 True: Push null and continue
conversionState.Append(new ASMOps.Push() { Size = ASMOps.OperandSize.Dword, Src = "0" });
conversionState.Append(new ASMOps.Label() { ILPosition = currOpPosition, Extension = "End" });
}示例2: Convert
/// <summary>
/// See base class documentation.
/// </summary>
/// <param name="theOp">See base class documentation.</param>
/// <param name="conversionState">See base class documentation.</param>
/// <returns>See base class documentation.</returns>
public override void Convert(ILConversionState conversionState, ILOp theOp)
{
int currOpPosition = conversionState.PositionOf(theOp);
// Test if the object provided inherits from the specified class
// 1. Pop object ref
// 1.1. Test if object ref is null:
// 1.1.1 True: Push null and continue
// 1.1.2 False: Go to 2
// 2. Load object type
// 3. Test if object type == provided type:
// 3.1 True: Push object ref and continue
// 3.2 False:
// 3.2.1. Move to base type
// 3.2.2. Test if base type null:
// 3.2.2.1 True: Push null and continue
// 3.2.2.2 False: Jump back to (3)
// 1. Pop object ref
conversionState.Append(new ASMOps.Pop() { Size = ASMOps.OperandSize.Word, Dest = "$t0" });
// 1.1. Test if object ref is null:
conversionState.Append(new ASMOps.Branch() { Src1 = "$t0", Src2 = "0", BranchType = ASMOps.BranchOp.BranchNotEqual, DestILPosition = currOpPosition, Extension = "False1", UnsignedTest = true });
// 1.1.1 True: Push null and continue
conversionState.Append(new ASMOps.Push() { Size = ASMOps.OperandSize.Word, Src = "$zero" });
conversionState.Append(new ASMOps.Branch() { BranchType = ASMOps.BranchOp.Branch, DestILPosition = currOpPosition, Extension = "End" });
// 1.1.2 False: Go to 2
conversionState.Append(new ASMOps.Label() { ILPosition = currOpPosition, Extension = "False1" });
// 2. Load object type
//conversionState.Append(new ASMOps.Mov() { Size = ASMOps.OperandSize.Word, Src = "0($t0)", Dest = "$t1", MoveType = ASMOps.Mov.MoveTypes.SrcMemoryToDestReg });
GlobalMethods.LoadData(conversionState, theOp, "$t0", "$t1", 0, 4);
// 3. Test if object type == provided type:
int metadataToken = Utilities.ReadInt32(theOp.ValueBytes, 0);
Type theType = conversionState.Input.TheMethodInfo.UnderlyingInfo.Module.ResolveType(metadataToken);
Types.TypeInfo theTypeInfo = conversionState.TheILLibrary.GetTypeInfo(theType);
string TestTypeId = theTypeInfo.ID;
conversionState.AddExternalLabel(TestTypeId);
conversionState.Append(new ASMOps.La() { Label = TestTypeId, Dest = "$t2" });
conversionState.Append(new ASMOps.Label() { ILPosition = currOpPosition, Extension = "Label3" });
conversionState.Append(new ASMOps.Branch() { Src1 = "$t1", Src2 = "$t2", BranchType = ASMOps.BranchOp.BranchNotEqual, DestILPosition = currOpPosition, Extension = "False2", UnsignedTest = true });
// 3.1 True: Push object ref and continue
conversionState.Append(new ASMOps.Push() { Size = ASMOps.OperandSize.Word, Src = "$t0" });
conversionState.Append(new ASMOps.Branch() { BranchType = ASMOps.BranchOp.Branch, DestILPosition = currOpPosition, Extension = "End" });
// 3.2 False:
conversionState.Append(new ASMOps.Label() { ILPosition = currOpPosition, Extension = "False2" });
// 3.2.1. Move to base type
int baseTypeOffset = conversionState.GetTypeFieldOffset("TheBaseType");
//conversionState.Append(new ASMOps.Mov() { Size = ASMOps.OperandSize.Word, Src = baseTypeOffset + "($t1)", Dest = "$t1" });
GlobalMethods.LoadData(conversionState, theOp, "$t1", "$t1", baseTypeOffset, 4);
// 3.2.2. Test if base type null:
// 3.2.2.2 False: Jump back to (3)
conversionState.Append(new ASMOps.Branch() { Src1 = "$t1", Src2 = "0", BranchType = ASMOps.BranchOp.BranchNotEqual, DestILPosition = currOpPosition, Extension = "Label3", UnsignedTest = true });
// 3.2.2.1 True: Push null and continue
conversionState.Append(new ASMOps.Push() { Size = ASMOps.OperandSize.Word, Src = "$zero" });
conversionState.Append(new ASMOps.Label() { ILPosition = currOpPosition, Extension = "End" });
}示例3: Convert
//.........这里部分代码省略.........
// 3.3. Jump if greater than to next test condition (3.5)
conversionState.Append(new ASMOps.Branch() { Src1 = "$t0", Src2 = "$zero", BranchType = ASMOps.BranchOp.BranchGreaterThanEqual, DestILPosition = currOpPosition, Extension = "Continue3_1", UnsignedTest = false });
// 3.4. Otherwise, call Exceptions.ThrowIndexOutOfRangeException
conversionState.Append(new ASMOps.Call() { Target = conversionState.GetThrowIndexOutOfRangeExceptionMethodInfo().ID });
conversionState.Append(new ASMOps.Label() { ILPosition = currOpPosition, Extension = "Continue3_1" });
// 3.5. Compare $t0 to $t1
// 3.6. Jump if less than to continue execution further down
conversionState.Append(new ASMOps.Branch() { Src1 = "$t0", Src2 = "$t1", BranchType = ASMOps.BranchOp.BranchLessThan, DestILPosition = currOpPosition, Extension = "Continue3_2", UnsignedTest = false });
// 3.7. Otherwise, call Exceptions.ThrowIndexOutOfRangeException
conversionState.Append(new ASMOps.Call() { Target = conversionState.GetThrowIndexOutOfRangeExceptionMethodInfo().ID });
conversionState.Append(new ASMOps.Label() { ILPosition = currOpPosition, Extension = "Continue3_2" });
// 4. Calculate address of element
// 4.1. Pop index into $t1
// 4.2. Pop array ref into $t0
// 4.3. Move element type ref (from array ref) into $t0
// 4.4. Move IsValueType (from element ref type) into $t2
// 4.5. If IsValueType, continue to 4.6., else goto 4.8.
// 4.6. Move Size (from element type ref) into $t0
// 4.7. Skip over 4.8.
// 4.8. Move StackSize (from element type ref) into $t0
// 4.9. Mulitply $t0 by $t1 (index by element size)
// 4.10. Move array ref into $t1
// 4.11. Add enough to go past Kernel.FOS_System.Array fields
// 4.12. Add $t0 and $t1 (array ref + fields + (index * element size))
// 4.1. Pop index into $t1
conversionState.Append(new ASMOps.Pop() { Size = ASMOps.OperandSize.Word, Dest = "$t1" });
// 4.2. Move array ref into $t0
conversionState.Append(new ASMOps.Mov() { Size = ASMOps.OperandSize.Word, Src = "0($sp)", Dest = "$t0", MoveType = ASMOps.Mov.MoveTypes.SrcMemoryToDestReg });
// 4.3. Move element type ref (from array ref) into $t0
//conversionState.Append(new ASMOps.Mov() { Size = ASMOps.OperandSize.Word, Src = elemTypeOffset.ToString() + "($t0)", Dest = "$t0", MoveType = ASMOps.Mov.MoveTypes.SrcMemoryToDestReg });
GlobalMethods.LoadData(conversionState, theOp, "$t0", "$t0", elemTypeOffset, 4);
// 4.4. Move IsValueType (from element ref type) into $t2
int isValueTypeOffset = conversionState.GetTypeFieldOffset("IsValueType");
conversionState.Append(new ASMOps.Mov() { Size = ASMOps.OperandSize.Word, Src = "0", Dest = "$t2", MoveType = ASMOps.Mov.MoveTypes.ImmediateToReg });
//conversionState.Append(new ASMOps.Mov() { Size = ASMOps.OperandSize.Byte, Src = isValueTypeOffset.ToString() + "($t0)", Dest = "$t2", MoveType = ASMOps.Mov.MoveTypes.SrcMemoryToDestReg });
GlobalMethods.LoadData(conversionState, theOp, "$t0", "$t2", isValueTypeOffset, 1);
// 4.5. If IsValueType, continue to 4.6., else goto 4.8.
conversionState.Append(new ASMOps.Branch() { Src1 = "$t2", BranchType = ASMOps.BranchOp.BranchZero, DestILPosition = currOpPosition, Extension = "Continue4_1", UnsignedTest = true });
// 4.6. Move Size (from element type ref) into $t0
int sizeOffset = conversionState.GetTypeFieldOffset("Size");
//conversionState.Append(new ASMOps.Mov() { Size = ASMOps.OperandSize.Word, Src = sizeOffset.ToString() + "($t0)", Dest = "$t0", MoveType = ASMOps.Mov.MoveTypes.SrcMemoryToDestReg });
GlobalMethods.LoadData(conversionState, theOp, "$t0", "$t0", sizeOffset, 4);
// 4.7. Skip over 4.8.
conversionState.Append(new ASMOps.Branch() { BranchType = ASMOps.BranchOp.Branch, DestILPosition = currOpPosition, Extension = "Continue4_2" });
// 4.8. Move StackSize (from element type ref) into $t0
conversionState.Append(new ASMOps.Label() { ILPosition = currOpPosition, Extension = "Continue4_1" });
int stackSizeOffset = conversionState.GetTypeFieldOffset("StackSize");
//conversionState.Append(new ASMOps.Mov() { Size = ASMOps.OperandSize.Word, Src = stackSizeOffset + "($t0)", Dest = "$t0", MoveType = ASMOps.Mov.MoveTypes.SrcMemoryToDestReg });
GlobalMethods.LoadData(conversionState, theOp, "$t0", "$t0", stackSizeOffset, 4);
// 4.9. Mulitply $t0 by $t1 (index by element size)
conversionState.Append(new ASMOps.Label() { ILPosition = currOpPosition, Extension = "Continue4_2" });
conversionState.Append(new ASMOps.Mul() { Src1 = "$t1", Src2 = "$t0", Signed = true });
// 4.10. Pop array ref into $t1
conversionState.Append(new ASMOps.Mflo() { Dest = "$t0" });
conversionState.Append(new ASMOps.Pop() { Size = ASMOps.OperandSize.Word, Dest = "$t1" });
// 4.11. Add enough to go past Kernel.FOS_System.Array fields
int allFieldsOffset = 0;
#region Offset calculation
{
Types.FieldInfo highestOffsetFieldInfo = arrayTypeInfo.FieldInfos.Where(x => !x.IsStatic).OrderByDescending(x => x.OffsetInBytes).First();
Types.TypeInfo fieldTypeInfo = conversionState.TheILLibrary.GetTypeInfo(highestOffsetFieldInfo.UnderlyingInfo.FieldType);
allFieldsOffset = highestOffsetFieldInfo.OffsetInBytes + (fieldTypeInfo.IsValueType ? fieldTypeInfo.SizeOnHeapInBytes : fieldTypeInfo.SizeOnStackInBytes);
}
#endregion
conversionState.Append(new ASMOps.Add() { Src1 = "$t1", Src2 = allFieldsOffset.ToString(), Dest = "$t1" });示例4: Convert
//.........这里部分代码省略.........
// 4.1. Pop index into EDX
// 4.2. Pop array ref into EAX
// 4.3. Move element type ref (from array ref) into EAX
// 4.4. Push EAX
// 4.5. Move IsValueType (from element ref type) into EAX
// 4.6. If IsValueType, continue to 4.6., else goto 4.9.
// 4.7. Pop EAX
// 4.8. Move Size (from element type ref) into EAX
// 4.9. Skip over 4.9. and 4.10.
// 4.10. Pop EAX
// 4.11. Move StackSize (from element type ref) into EAX
// 4.12. Mulitply EAX by EDX (index by element size)
// 4.13. Move array ref into EDX
// 4.14. Add enough to go past Kernel.FOS_System.Array fields
// 4.15. Add EAX and EBX (array ref + fields + (index * element size))
// 4.0. Pop value into ECX:EBX
conversionState.Append(new ASMOps.Pop() { Size = ASMOps.OperandSize.Dword, Dest = "ECX" });
if (sizeToPop == 8)
{
conversionState.Append(new ASMOps.Pop() { Size = ASMOps.OperandSize.Dword, Dest = "EBX" });
}
// 4.1. Pop index into EDX
conversionState.Append(new ASMOps.Pop() { Size = ASMOps.OperandSize.Dword, Dest = "EDX" });
// 4.2. Move array ref into EAX
GlobalMethods.InsertPageFaultDetection(conversionState, "ESP", 0, (OpCodes)theOp.opCode.Value);
conversionState.Append(new ASMOps.Mov() { Size = ASMOps.OperandSize.Dword, Src = "[ESP]", Dest = "EAX" });
// 4.3. Move element type ref (from array ref) into EAX
GlobalMethods.InsertPageFaultDetection(conversionState, "EAX", elemTypeOffset, (OpCodes)theOp.opCode.Value);
conversionState.Append(new ASMOps.Mov() { Size = ASMOps.OperandSize.Dword, Src = "[EAX+" + elemTypeOffset.ToString() + "]", Dest = "EAX" });
// 4.4. Push EAX
conversionState.Append(new ASMOps.Push() { Size = ASMOps.OperandSize.Dword, Src = "EAX" });
// 4.5. Move IsValueType (from element ref type) into EAX
int isValueTypeOffset = conversionState.GetTypeFieldOffset("IsValueType");
GlobalMethods.InsertPageFaultDetection(conversionState, "EAX", isValueTypeOffset, (OpCodes)theOp.opCode.Value);
conversionState.Append(new ASMOps.Mov() { Size = ASMOps.OperandSize.Byte, Src = "[EAX+" + isValueTypeOffset.ToString() + "]", Dest = "AL" });
// 4.6. If IsValueType, continue to 4.7., else goto 4.9.
conversionState.Append(new ASMOps.Test() { Arg1 = "EAX", Arg2 = "1" });
conversionState.Append(new ASMOps.Jmp() { JumpType = ASMOps.JmpOp.JumpZero, DestILPosition = currOpPosition, Extension = "Continue4_1" });
// 4.7. Pop EAX
conversionState.Append(new ASMOps.Pop() { Size = ASMOps.OperandSize.Dword, Dest = "EAX" });
// 4.8. Move Size (from element type ref) into EAX
int sizeOffset = conversionState.GetTypeFieldOffset("Size");
GlobalMethods.InsertPageFaultDetection(conversionState, "EAX", sizeOffset, (OpCodes)theOp.opCode.Value);
conversionState.Append(new ASMOps.Mov() { Size = ASMOps.OperandSize.Dword, Src = "[EAX+" + sizeOffset.ToString() + "]", Dest = "EAX" });
// 4.9. Skip over 4.9. and 4.10.
conversionState.Append(new ASMOps.Jmp() { JumpType = ASMOps.JmpOp.Jump, DestILPosition = currOpPosition, Extension = "Continue4_2" });
// 4.10. Pop EAX
conversionState.Append(new ASMOps.Label() { ILPosition = currOpPosition, Extension = "Continue4_1" });
conversionState.Append(new ASMOps.Pop() { Size = ASMOps.OperandSize.Dword, Dest = "EAX" });
// 4.11. Move StackSize (from element type ref) into EAX
int stackSizeOffset = conversionState.GetTypeFieldOffset("StackSize");
GlobalMethods.InsertPageFaultDetection(conversionState, "EAX", stackSizeOffset, (OpCodes)theOp.opCode.Value);
conversionState.Append(new ASMOps.Mov() { Size = ASMOps.OperandSize.Dword, Src = "[EAX+" + stackSizeOffset.ToString() + "]", Dest = "EAX" });
// 4.12. Mulitply EAX by EDX (index by element size)
conversionState.Append(new ASMOps.Label() { ILPosition = currOpPosition, Extension = "Continue4_2" });
conversionState.Append(new ASMOps.Mul() { Arg = "EDX" });
// 4.13. Pop array ref into EDX
conversionState.Append(new ASMOps.Pop() { Size = ASMOps.OperandSize.Dword, Dest = "EDX" });
// 4.14. Add enough to go past Kernel.FOS_System.Array fields
int allFieldsOffset = 0;
#region Offset calculation
{
Types.FieldInfo highestOffsetFieldInfo = arrayTypeInfo.FieldInfos.Where(x => !x.IsStatic).OrderByDescending(x => x.OffsetInBytes).First();
Types.TypeInfo fieldTypeInfo = conversionState.TheILLibrary.GetTypeInfo(highestOffsetFieldInfo.UnderlyingInfo.FieldType);
allFieldsOffset = highestOffsetFieldInfo.OffsetInBytes + (fieldTypeInfo.IsValueType ? fieldTypeInfo.SizeOnHeapInBytes : fieldTypeInfo.SizeOnStackInBytes);示例5: Convert
//.........这里部分代码省略.........
conversionState.Append(new ASMOps.Jmp() { JumpType = ASMOps.JmpOp.JumpGreaterThanEqual, DestILPosition = currOpPosition, Extension = "Continue3_1" });
// 3.4. Otherwise, call Exceptions.ThrowIndexOutOfRangeException
conversionState.Append(new ASMOps.Call() { Target = conversionState.GetThrowIndexOutOfRangeExceptionMethodInfo().ID });
conversionState.Append(new ASMOps.Label() { ILPosition = currOpPosition, Extension = "Continue3_1" });
// 3.5. Compare EAX to EBX
conversionState.Append(new ASMOps.Cmp() { Arg1 = "EAX", Arg2 = "EBX" });
// 3.6. Jump if less than to continue execution further down
conversionState.Append(new ASMOps.Jmp() { JumpType = ASMOps.JmpOp.JumpLessThan, DestILPosition = currOpPosition, Extension = "Continue3_2" });
// 3.7. Otherwise, call Exceptions.ThrowIndexOutOfRangeException
conversionState.Append(new ASMOps.Call() { Target = conversionState.GetThrowIndexOutOfRangeExceptionMethodInfo().ID });
conversionState.Append(new ASMOps.Label() { ILPosition = currOpPosition, Extension = "Continue3_2" });
// 4. Calculate address of element
// 4.1. Pop index into EBX
// 4.2. Pop array ref into EAX
// 4.3. Move element type ref (from array ref) into EAX
// 4.4. Move IsValueType (from element ref type) into ECX
// 4.5. If IsValueType, continue to 4.6., else goto 4.8.
// 4.6. Move Size (from element type ref) into EAX
// 4.7. Skip over 4.8.
// 4.8. Move StackSize (from element type ref) into EAX
// 4.9. Mulitply EAX by EBX (index by element size)
// 4.10. Move array ref into EBX
// 4.11. Add enough to go past Kernel.FOS_System.Array fields
// 4.12. Add EAX and EBX (array ref + fields + (index * element size))
// 4.1. Pop index into EBX
conversionState.Append(new ASMOps.Pop() { Size = ASMOps.OperandSize.Dword, Dest = "EBX" });
// 4.2. Move array ref into EAX
conversionState.Append(new ASMOps.Mov() { Size = ASMOps.OperandSize.Dword, Src = "[ESP]", Dest = "EAX" });
// 4.3. Move element type ref (from array ref) into EAX
conversionState.Append(new ASMOps.Mov() { Size = ASMOps.OperandSize.Dword, Src = "[EAX+" + elemTypeOffset.ToString() + "]", Dest = "EAX" });
// 4.4. Move IsValueType (from element ref type) into ECX
int isValueTypeOffset = conversionState.GetTypeFieldOffset("IsValueType");
conversionState.Append(new ASMOps.Mov() { Size = ASMOps.OperandSize.Dword, Src = "0", Dest = "ECX" });
conversionState.Append(new ASMOps.Mov() { Size = ASMOps.OperandSize.Byte, Src = "[EAX+" + isValueTypeOffset.ToString() + "]", Dest = "CL" });
// 4.5. If IsValueType, continue to 4.6., else goto 4.8.
conversionState.Append(new ASMOps.Cmp() { Arg1 = "ECX", Arg2 = "0" });
conversionState.Append(new ASMOps.Jmp() { JumpType = ASMOps.JmpOp.JumpZero, DestILPosition = currOpPosition, Extension = "Continue4_1" });
// 4.6. Move Size (from element type ref) into EAX
int sizeOffset = conversionState.GetTypeFieldOffset("Size");
conversionState.Append(new ASMOps.Mov() { Size = ASMOps.OperandSize.Dword, Src = "[EAX+" + sizeOffset.ToString() + "]", Dest = "EAX" });
// 4.7. Skip over 4.8.
conversionState.Append(new ASMOps.Jmp() { JumpType = ASMOps.JmpOp.Jump, DestILPosition = currOpPosition, Extension = "Continue4_2" });
// 4.8. Move StackSize (from element type ref) into EAX
conversionState.Append(new ASMOps.Label() { ILPosition = currOpPosition, Extension = "Continue4_1" });
int stackSizeOffset = conversionState.GetTypeFieldOffset("StackSize");
conversionState.Append(new ASMOps.Mov() { Size = ASMOps.OperandSize.Dword, Src = "[EAX+" + stackSizeOffset + "]", Dest = "EAX" });
// 4.9. Mulitply EAX by EBX (index by element size)
conversionState.Append(new ASMOps.Label() { ILPosition = currOpPosition, Extension = "Continue4_2" });
conversionState.Append(new ASMOps.Mul() { Arg = "EBX" });
// 4.10. Pop array ref into EBX
conversionState.Append(new ASMOps.Pop() { Size = ASMOps.OperandSize.Dword, Dest = "EBX" });
// 4.11. Add enough to go past Kernel.FOS_System.Array fields
int allFieldsOffset = 0;
#region Offset calculation
{
Types.FieldInfo highestOffsetFieldInfo = arrayTypeInfo.FieldInfos.Where(x => !x.IsStatic).OrderByDescending(x => x.OffsetInBytes).First();
Types.TypeInfo fieldTypeInfo = conversionState.TheILLibrary.GetTypeInfo(highestOffsetFieldInfo.UnderlyingInfo.FieldType);
allFieldsOffset = highestOffsetFieldInfo.OffsetInBytes + (fieldTypeInfo.IsValueType ? fieldTypeInfo.SizeOnHeapInBytes : fieldTypeInfo.SizeOnStackInBytes);
}
#endregion
conversionState.Append(new ASMOps.Add() { Src = allFieldsOffset.ToString(), Dest = "EBX" });
// 4.12. Add EAX and EBX (array ref + fields + (index * element size))
conversionState.Append(new ASMOps.Add() { Src = "EBX", Dest = "EAX" });
示例6: Convert
//.........这里部分代码省略.........
// - Get object ref from loaded args
// - Check object ref not null
// - Get type table entry from object ref
// - Get method table from type table entry
// - Scan method table for the method we want
// - If found, load method address
// - Else, check for parent type method table
// - If no parent type method table, throw exception
// - Else, scan parent type method table
string methodIDValueWanted = methodToCallInfo.IDValue.ToString();
int currOpPosition = conversionState.PositionOf(theOp);
Types.TypeInfo declaringTypeInfo = conversionState.TheILLibrary.GetTypeInfo(methodToCall.DeclaringType);
//DB_Type declaringDBType = DebugDatabase.GetType(conversionState.GetTypeID(methodToCall.DeclaringType));
//Get object ref
int bytesForAllParams = ((MethodInfo)methodToCall).GetParameters().Select(x => conversionState.TheILLibrary.GetTypeInfo(x.ParameterType).SizeOnStackInBytes).Sum();
conversionState.Append(new ASMOps.Mov() { Size = ASMOps.OperandSize.Dword, Src = "[ESP+" + bytesForAllParams + "]", Dest = "EAX" });
//Check object ref
conversionState.Append(new ASMOps.Cmp() { Arg1 = "EAX", Arg2 = "0" });
conversionState.Append(new ASMOps.Jmp() { JumpType = ASMOps.JmpOp.JumpNotZero, DestILPosition = currOpPosition, Extension = "NotNull" });
conversionState.Append(new ASMOps.Call() { Target = "GetEIP" });
conversionState.AddExternalLabel("GetEIP");
conversionState.Append(new ASMOps.Call() { Target = conversionState.GetThrowNullReferenceExceptionMethodInfo().ID });
conversionState.Append(new ASMOps.Label() { ILPosition = currOpPosition, Extension = "NotNull" });
//Get type ref
int typeOffset = conversionState.TheILLibrary.GetFieldInfo(declaringTypeInfo, "_Type").OffsetInBytes;
conversionState.Append(new ASMOps.Mov() { Size = ASMOps.OperandSize.Dword, Src = "[EAX+" + typeOffset.ToString() + "]", Dest = "EAX" });
//Get method table ref
int methodTablePtrOffset = conversionState.GetTypeFieldOffset("MethodTablePtr");
conversionState.Append(new ASMOps.Mov() { Size = ASMOps.OperandSize.Dword, Src = "[EAX+" + methodTablePtrOffset.ToString() + "]", Dest = "EAX" });
//Loop through entries
conversionState.Append(new ASMOps.Label() { ILPosition = currOpPosition, Extension = "LoopMethodTable" });
//Load ID Val for current entry
conversionState.Append(new ASMOps.Mov() { Size = ASMOps.OperandSize.Dword, Src = "[EAX]", Dest = "EBX" });
//Compare to wanted ID value
conversionState.Append(new ASMOps.Cmp() { Arg1 = "EBX", Arg2 = methodIDValueWanted });
//If equal, load method address into EAX
conversionState.Append(new ASMOps.Jmp() { JumpType = ASMOps.JmpOp.JumpNotEqual, DestILPosition = currOpPosition, Extension = "NotEqual" });
conversionState.Append(new ASMOps.Mov() { Size = ASMOps.OperandSize.Dword, Src = "[EAX+4]", Dest = "EAX" });
conversionState.Append(new ASMOps.Jmp() { JumpType = ASMOps.JmpOp.Jump, DestILPosition = currOpPosition, Extension = "Call" });
conversionState.Append(new ASMOps.Label() { ILPosition = currOpPosition, Extension = "NotEqual" });
//Else, compare to 0 to check for end of table
conversionState.Append(new ASMOps.Cmp() { Arg1 = "EBX", Arg2 = "0" });
conversionState.Append(new ASMOps.Jmp() { JumpType = ASMOps.JmpOp.JumpZero, DestILPosition = currOpPosition, Extension = "EndOfTable" });
//Not 0? Move to next entry then loop again
conversionState.Append(new ASMOps.Add() { Src = "8", Dest = "EAX" });
conversionState.Append(new ASMOps.Jmp() { JumpType = ASMOps.JmpOp.Jump, DestILPosition = currOpPosition, Extension = "LoopMethodTable" });
conversionState.Append(new ASMOps.Label() { ILPosition = currOpPosition, Extension = "EndOfTable" });
//Compare address value to 0
//If not zero, there is a parent method table to check
conversionState.Append(new ASMOps.Mov() { Size = ASMOps.OperandSize.Dword, Src = "[EAX+4]", Dest = "EBX" });
conversionState.Append(new ASMOps.Cmp() { Arg1 = "EBX", Arg2 = "0" });
conversionState.Append(new ASMOps.Jmp() { JumpType = ASMOps.JmpOp.JumpZero, DestILPosition = currOpPosition, Extension = "NotFound" });
//Load parent method table and loop
conversionState.Append(new ASMOps.Mov() { Size = ASMOps.OperandSize.Dword, Src = "EBX", Dest = "EAX" });
conversionState.Append(new ASMOps.Jmp() { JumpType = ASMOps.JmpOp.Jump, DestILPosition = currOpPosition, Extension = "LoopMethodTable" });
conversionState.Append(new ASMOps.Label() { ILPosition = currOpPosition, Extension = "NotFound" });
//Throw exception!
conversionState.Append(new ASMOps.Call() { Target = "GetEIP" });
conversionState.AddExternalLabel("GetEIP");示例7: Convert
//.........这里部分代码省略.........
// 4.0. Pop value into $t2:$t1
// 4.1. Pop index into $t3
// 4.2. Pop array ref into $t0
// 4.3. Move element type ref (from array ref) into $t0
// 4.4. Push $t0
// 4.5. Move IsValueType (from element ref type) into $t0
// 4.6. If IsValueType, continue to 4.6., else goto 4.9.
// 4.7. Pop $t0
// 4.8. Move Size (from element type ref) into $t0
// 4.9. Skip over 4.9. and 4.10.
// 4.10. Pop $t0
// 4.11. Move StackSize (from element type ref) into $t0
// 4.12. Mulitply $t0 by $t3 (index by element size)
// 4.13. Move array ref into $t3
// 4.14. Add enough to go past Kernel.FOS_System.Array fields
// 4.15. Add $t0 and $t1 (array ref + fields + (index * element size))
// 4.0. Pop value into $t2:$t1
conversionState.Append(new ASMOps.Pop() { Size = ASMOps.OperandSize.Word, Dest = "$t2" });
if (sizeToPop == 8)
{
conversionState.Append(new ASMOps.Pop() { Size = ASMOps.OperandSize.Word, Dest = "$t1" });
}
// 4.1. Pop index into $t3
conversionState.Append(new ASMOps.Pop() { Size = ASMOps.OperandSize.Word, Dest = "$t3" });
// 4.2. Move array ref into $t0
conversionState.Append(new ASMOps.Mov() { Size = ASMOps.OperandSize.Word, Src = "0($sp)", Dest = "$t0", MoveType = ASMOps.Mov.MoveTypes.SrcMemoryToDestReg });
// 4.3. Move element type ref (from array ref) into $t0
//conversionState.Append(new ASMOps.Mov() { Size = ASMOps.OperandSize.Word, Src = elemTypeOffset.ToString() + "($t0)", Dest = "$t0" });
GlobalMethods.LoadData(conversionState, theOp, "$t0", "$t0", elemTypeOffset, 4);
// 4.4. Push $t0
conversionState.Append(new ASMOps.Push() { Size = ASMOps.OperandSize.Word, Src = "$t0" });
// 4.5. Move IsValueType (from element ref type) into $t0
int isValueTypeOffset = conversionState.GetTypeFieldOffset("IsValueType");
//conversionState.Append(new ASMOps.Mov() { Size = ASMOps.OperandSize.Byte, Src = isValueTypeOffset.ToString() + "($t0)", Dest = "$t0" });
GlobalMethods.LoadData(conversionState, theOp, "$t0", "$t0", isValueTypeOffset, 1);
// 4.6. If IsValueType, continue to 4.7., else goto 4.9.
conversionState.Append(new ASMOps.And() { Src1 = "$t0", Src2 = "1", Dest = "$t4"});
conversionState.Append(new ASMOps.Branch() { BranchType = ASMOps.BranchOp.BranchZero, Src1 = "$t4", DestILPosition = currOpPosition, Extension = "Continue4_1" });
// 4.7. Pop $t0
conversionState.Append(new ASMOps.Pop() { Size = ASMOps.OperandSize.Word, Dest = "$t0" });
// 4.8. Move Size (from element type ref) into $t0
int sizeOffset = conversionState.GetTypeFieldOffset("Size");
//conversionState.Append(new ASMOps.Mov() { Size = ASMOps.OperandSize.Word, Src = sizeOffset.ToString() + "($t0)", Dest = "$t0" });
GlobalMethods.LoadData(conversionState, theOp, "$t0", "$t0", sizeOffset, 4);
// 4.9. Skip over 4.9. and 4.10.
conversionState.Append(new ASMOps.Branch() { BranchType = ASMOps.BranchOp.Branch, DestILPosition = currOpPosition, Extension = "Continue4_2" });
// 4.10. Pop $t0
conversionState.Append(new ASMOps.Label() { ILPosition = currOpPosition, Extension = "Continue4_1" });
conversionState.Append(new ASMOps.Pop() { Size = ASMOps.OperandSize.Word, Dest = "$t0" });
// 4.11. Move StackSize (from element type ref) into $t0
int stackSizeOffset = conversionState.GetTypeFieldOffset("StackSize");
//conversionState.Append(new ASMOps.Mov() { Size = ASMOps.OperandSize.Word, Src = stackSizeOffset.ToString() + "($t0)", Dest = "$t0" });
GlobalMethods.LoadData(conversionState, theOp, "$t0", "$t0", stackSizeOffset, 4);
// 4.12. Mulitply $t0 by $t3 (index by element size)
conversionState.Append(new ASMOps.Label() { ILPosition = currOpPosition, Extension = "Continue4_2" });
conversionState.Append(new ASMOps.Mul() { Src1 = "$t3", Src2= "$t0"});
conversionState.Append(new ASMOps.Mflo() { Dest = "$t0" });
// 4.13. Pop array ref into $t3
conversionState.Append(new ASMOps.Pop() { Size = ASMOps.OperandSize.Word, Dest = "$t3" });
// 4.14. Add enough to go past Kernel.FOS_System.Array fields
int allFieldsOffset = 0;
#region Offset calculation
{
Types.FieldInfo highestOffsetFieldInfo = arrayTypeInfo.FieldInfos.Where(x => !x.IsStatic).OrderByDescending(x => x.OffsetInBytes).First();
Types.TypeInfo fieldTypeInfo = conversionState.TheILLibrary.GetTypeInfo(highestOffsetFieldInfo.UnderlyingInfo.FieldType);