public static void GetStrLen(ITypeResolver typeResolver, out byte[] code, out IList <object> tokenResolutions, out IList <IType> locals, out IList <IParameter> parameters)
{
var codeBuilder = new IlCodeBuilder();
codeBuilder.LoadArgument(0);
codeBuilder.SaveLocal(0);
var initialJumpLabel = codeBuilder.Branch(Code.Br, Code.Br_S);
var jumpBack = codeBuilder.CreateLabel();
codeBuilder.LoadLocal(0);
codeBuilder.LoadConstant(1);
codeBuilder.Add(Code.Conv_I);
codeBuilder.Add(Code.Add);
codeBuilder.SaveLocal(0);
codeBuilder.Add(initialJumpLabel);
codeBuilder.LoadLocal(0);
codeBuilder.Add(Code.Ldind_I1);
codeBuilder.LoadConstant(0);
codeBuilder.Branch(Code.Bgt, Code.Bgt_S, jumpBack);
codeBuilder.LoadLocal(0);
codeBuilder.LoadArgument(0);
codeBuilder.Add(Code.Sub);
// and if element size is bugger 1, you need to devide it by element size
// codeBuilder.LoadConstant(<size>);
// codeBuilder.Add(Code.Div);
codeBuilder.Add(Code.Ret);
code = codeBuilder.GetCode();
locals = new List <IType>();
locals.Add(typeResolver.System.System_SByte.ToPointerType());
tokenResolutions = new List <object>();
parameters = new List <IParameter>();
parameters.Add(typeResolver.System.System_SByte.ToPointerType().ToParameter());
}
public static void GetStrLen(ITypeResolver typeResolver, out byte[] code, out IList<object> tokenResolutions, out IList<IType> locals, out IList<IParameter> parameters)
{
var codeBuilder = new IlCodeBuilder();
codeBuilder.LoadArgument(0);
codeBuilder.SaveLocal(0);
var initialJumpLabel = codeBuilder.Branch(Code.Br, Code.Br_S);
var jumpBack = codeBuilder.CreateLabel();
codeBuilder.LoadLocal(0);
codeBuilder.LoadConstant(1);
codeBuilder.Add(Code.Conv_I);
codeBuilder.Add(Code.Add);
codeBuilder.SaveLocal(0);
codeBuilder.Add(initialJumpLabel);
codeBuilder.LoadLocal(0);
codeBuilder.Add(Code.Ldind_I1);
codeBuilder.LoadConstant(0);
codeBuilder.Branch(Code.Bgt, Code.Bgt_S, jumpBack);
codeBuilder.LoadLocal(0);
codeBuilder.LoadArgument(0);
codeBuilder.Add(Code.Sub);
// and if element size is bugger 1, you need to devide it by element size
// codeBuilder.LoadConstant(<size>);
// codeBuilder.Add(Code.Div);
codeBuilder.Add(Code.Ret);
code = codeBuilder.GetCode();
locals = new List<IType>();
locals.Add(typeResolver.System.System_SByte.ToPointerType());
tokenResolutions = new List<object>();
parameters = new List<IParameter>();
parameters.Add(typeResolver.System.System_SByte.ToPointerType().ToParameter());
}
public static void Register(ITypeResolver typeResolver)
{
var codeList = new IlCodeBuilder();
// set Type of TypedReference
codeList.LoadArgument(1);
codeList.Add(Code.Ldflda, 2);
// Load element typeCode
codeList.LoadArgument(0);
codeList.Add(Code.Castclass, 4);
codeList.Add(Code.Ldfld, 5);
// Save typeCode into TypedReference TypeCode
codeList.Add(Code.Conv_I);
codeList.Add(Code.Stfld, 3);
// Calculate data index
// check if it 1-dim array
codeList.LoadArgument(2);
codeList.LoadConstant(1);
codeList.Add(Code.Sub);
var labelGotoMultiDimArray = codeList.Branch(Code.Brtrue, Code.Brtrue_S);
// set Value of TypedReference
codeList.LoadArgument(1);
codeList.Add(Code.Ldflda, 1);
// Load reference to an array (do not load reference to field data)
codeList.LoadArgument(0);
codeList.Add(Code.Castclass, 4);
// Load elementSize
codeList.LoadArgument(0);
codeList.Add(Code.Castclass, 4);
codeList.Add(Code.Ldfld, 6);
codeList.Add(Code.Dup);
codeList.SaveLocal(0);
// Load index
codeList.LoadArgument(3);
codeList.Add(Code.Ldind_I4);
// multiply it
codeList.Add(Code.Mul);
// load address of an element
codeList.Add(Code.Ldelema, 7);
// align index
codeList.LoadLocal(0);
// elementSize - 1
codeList.LoadConstant(1);
codeList.Add(Code.Sub);
codeList.Add(Code.Dup);
codeList.SaveLocal(0);
// size + align - 1
codeList.Add(Code.Add);
// size &= ~(align - 1)
codeList.LoadLocal(0);
codeList.LoadConstant(-1);
codeList.Add(Code.Xor);
codeList.Add(Code.And);
// Save address into TypedReference Value
codeList.Add(Code.Conv_I);
codeList.Add(Code.Stfld, 3);
codeList.Add(Code.Ret);
// for multiarray
codeList.Add(labelGotoMultiDimArray);
// *indeces += count;
codeList.LoadArgument(3);
codeList.LoadArgument(2);
codeList.Add(Code.Conv_I);
codeList.LoadConstant(4);
codeList.Add(Code.Mul);
codeList.Add(Code.Add);
codeList.SaveArgument(3);
// init multiplier
// Load elementSize
codeList.LoadArgument(0);
codeList.Add(Code.Castclass, 4);
codeList.Add(Code.Ldfld, 6);
codeList.SaveLocal(0);
// calculate first index
codeList.LoadArgument(3);
codeList.LoadConstant(4);
codeList.Add(Code.Sub);
codeList.Add(Code.Dup);
codeList.SaveArgument(3);
codeList.Add(Code.Ldind_I4);
codeList.LoadArgument(0);
codeList.Add(Code.Castclass, 9);
codeList.Add(Code.Ldfld, 10);
codeList.LoadConstant(0);
codeList.Add(Code.Ldelem_I4);
codeList.Add(Code.Sub);
codeList.LoadLocal(0);
codeList.Add(Code.Mul);
codeList.SaveLocal(1);
// init 'i' (index)
codeList.LoadConstant(1);
codeList.SaveLocal(2);
var labelLoopStart = codeList.Branch(Code.Br, Code.Br_S);
// loop start
var labelLoopBack = codeList.CreateLabel();
codeList.LoadLocal(0);
codeList.LoadArgument(0);
codeList.Add(Code.Castclass, 9);
codeList.Add(Code.Ldfld, 11);
codeList.LoadLocal(2);
codeList.LoadConstant(1);
codeList.Add(Code.Sub);
codeList.Add(Code.Ldelem_I4);
codeList.Add(Code.Mul);
codeList.SaveLocal(0);
codeList.LoadLocal(1);
codeList.LoadArgument(3);
codeList.LoadConstant(4);
codeList.Add(Code.Sub);
codeList.Add(Code.Dup);
codeList.SaveArgument(3);
codeList.Add(Code.Ldind_I4);
codeList.LoadArgument(0);
codeList.Add(Code.Castclass, 9);
codeList.Add(Code.Ldfld, 10);
codeList.LoadLocal(2);
codeList.Add(Code.Ldelem_I4);
codeList.Add(Code.Sub);
codeList.LoadLocal(0);
codeList.Add(Code.Mul);
codeList.Add(Code.Add);
codeList.SaveLocal(1);
codeList.LoadLocal(2);
codeList.LoadConstant(1);
codeList.Add(Code.Add);
codeList.SaveLocal(2);
codeList.Add(labelLoopStart);
codeList.LoadLocal(2);
codeList.LoadArgument(2);
codeList.Branch(Code.Blt, Code.Blt_S, labelLoopBack);
// set Value of TypedReference
codeList.LoadArgument(1);
codeList.Add(Code.Ldflda, 1);
// align index (array offset) (Local.0) and save it to TypedReferenece
// Load reference to an array (do not load reference to field data)
codeList.LoadArgument(0);
codeList.Add(Code.Castclass, 9);
codeList.LoadLocal(1);
// load address of an element
codeList.Add(Code.Ldelema, 7);
// elementSize
codeList.LoadArgument(0);
codeList.Add(Code.Castclass, 4);
codeList.Add(Code.Ldfld, 6);
// elementSize - 1
codeList.LoadConstant(1);
codeList.Add(Code.Sub);
codeList.Add(Code.Dup);
codeList.SaveLocal(2);
// size + align - 1
codeList.Add(Code.Add);
// size &= ~(align - 1)
codeList.LoadLocal(2);
codeList.LoadConstant(-1);
codeList.Add(Code.Xor);
codeList.Add(Code.And);
// Save address into TypedReference Value
codeList.Add(Code.Conv_I);
codeList.Add(Code.Stfld, 3);
codeList.Add(Code.Ret);
var typedReferenceType = typeResolver.System.System_TypedReference;
var intPtrType = typeResolver.System.System_IntPtr;
var byteType = typeResolver.System.System_Byte;
var arrayType = byteType.ToArrayType(1);
var multiArrayType = byteType.ToArrayType(2);
var tokenResolutions = new List <object>();
tokenResolutions.Add(typedReferenceType.GetFieldByName("Value", typeResolver));
tokenResolutions.Add(typedReferenceType.GetFieldByName("Type", typeResolver));
tokenResolutions.Add(intPtrType.GetFieldByName("m_value", typeResolver));
tokenResolutions.Add(arrayType);
tokenResolutions.Add(arrayType.GetFieldByName("typeCode", typeResolver));
tokenResolutions.Add(arrayType.GetFieldByName("elementSize", typeResolver));
tokenResolutions.Add(byteType);
tokenResolutions.Add(arrayType.GetFieldByName("rank", typeResolver));
tokenResolutions.Add(multiArrayType);
tokenResolutions.Add(multiArrayType.GetFieldByName("lowerBounds", typeResolver));
tokenResolutions.Add(multiArrayType.GetFieldByName("lengths", typeResolver));
var locals = new List <IType>();
locals.Add(typeResolver.System.System_Int32);
locals.Add(typeResolver.System.System_Int32);
locals.Add(typeResolver.System.System_Int32);
var parameters = new List <IParameter>();
parameters.Add(typeResolver.System.System_Void.ToPointerType().ToParameter());
parameters.Add(typeResolver.System.System_Int32.ToParameter());
parameters.Add(typeResolver.System.System_Int32.ToPointerType().ToParameter());
MethodBodyBank.Register(Name, codeList.GetCode(), tokenResolutions, locals, parameters);
}
public static void Register(ITypeResolver typeResolver)
{
var codeList = new IlCodeBuilder();
// set Type of TypedReference
codeList.LoadArgument(1);
codeList.Add(Code.Ldflda, 2);
// Load element typeCode
codeList.LoadArgument(0);
codeList.Add(Code.Castclass, 4);
codeList.Add(Code.Ldfld, 5);
// Save typeCode into TypedReference TypeCode
codeList.Add(Code.Conv_I);
codeList.Add(Code.Stfld, 3);
// Calculate data index
// check if it 1-dim array
codeList.LoadArgument(2);
codeList.LoadConstant(1);
codeList.Add(Code.Sub);
var labelGotoMultiDimArray = codeList.Branch(Code.Brtrue, Code.Brtrue_S);
// set Value of TypedReference
codeList.LoadArgument(1);
codeList.Add(Code.Ldflda, 1);
// Load reference to an array (do not load reference to field data)
codeList.LoadArgument(0);
codeList.Add(Code.Castclass, 4);
// Load elementSize
codeList.LoadArgument(0);
codeList.Add(Code.Castclass, 4);
codeList.Add(Code.Ldfld, 6);
codeList.Add(Code.Dup);
codeList.SaveLocal(0);
// Load index
codeList.LoadArgument(3);
codeList.Add(Code.Ldind_I4);
// multiply it
codeList.Add(Code.Mul);
// load address of an element
codeList.Add(Code.Ldelema, 7);
// align index
codeList.LoadLocal(0);
// elementSize - 1
codeList.LoadConstant(1);
codeList.Add(Code.Sub);
codeList.Add(Code.Dup);
codeList.SaveLocal(0);
// size + align - 1
codeList.Add(Code.Add);
// size &= ~(align - 1)
codeList.LoadLocal(0);
codeList.LoadConstant(-1);
codeList.Add(Code.Xor);
codeList.Add(Code.And);
// Save address into TypedReference Value
codeList.Add(Code.Conv_I);
codeList.Add(Code.Stfld, 3);
codeList.Add(Code.Ret);
// for multiarray
codeList.Add(labelGotoMultiDimArray);
// *indeces += count;
codeList.LoadArgument(3);
codeList.LoadArgument(2);
codeList.Add(Code.Conv_I);
codeList.LoadConstant(4);
codeList.Add(Code.Mul);
codeList.Add(Code.Add);
codeList.SaveArgument(3);
// init multiplier
// Load elementSize
codeList.LoadArgument(0);
codeList.Add(Code.Castclass, 4);
codeList.Add(Code.Ldfld, 6);
codeList.SaveLocal(0);
// calculate first index
codeList.LoadArgument(3);
codeList.LoadConstant(4);
codeList.Add(Code.Sub);
codeList.Add(Code.Dup);
codeList.SaveArgument(3);
codeList.Add(Code.Ldind_I4);
codeList.LoadArgument(0);
codeList.Add(Code.Castclass, 9);
codeList.Add(Code.Ldfld, 10);
codeList.LoadConstant(0);
codeList.Add(Code.Ldelem_I4);
codeList.Add(Code.Sub);
codeList.LoadLocal(0);
codeList.Add(Code.Mul);
codeList.SaveLocal(1);
// init 'i' (index)
codeList.LoadConstant(1);
codeList.SaveLocal(2);
var labelLoopStart = codeList.Branch(Code.Br, Code.Br_S);
// loop start
var labelLoopBack = codeList.CreateLabel();
codeList.LoadLocal(0);
codeList.LoadArgument(0);
codeList.Add(Code.Castclass, 9);
codeList.Add(Code.Ldfld, 11);
codeList.LoadLocal(2);
codeList.LoadConstant(1);
codeList.Add(Code.Sub);
codeList.Add(Code.Ldelem_I4);
codeList.Add(Code.Mul);
codeList.SaveLocal(0);
codeList.LoadLocal(1);
codeList.LoadArgument(3);
codeList.LoadConstant(4);
codeList.Add(Code.Sub);
codeList.Add(Code.Dup);
codeList.SaveArgument(3);
codeList.Add(Code.Ldind_I4);
codeList.LoadArgument(0);
codeList.Add(Code.Castclass, 9);
codeList.Add(Code.Ldfld, 10);
codeList.LoadLocal(2);
codeList.Add(Code.Ldelem_I4);
codeList.Add(Code.Sub);
codeList.LoadLocal(0);
codeList.Add(Code.Mul);
codeList.Add(Code.Add);
codeList.SaveLocal(1);
codeList.LoadLocal(2);
codeList.LoadConstant(1);
codeList.Add(Code.Add);
codeList.SaveLocal(2);
codeList.Add(labelLoopStart);
codeList.LoadLocal(2);
codeList.LoadArgument(2);
codeList.Branch(Code.Blt, Code.Blt_S, labelLoopBack);
// set Value of TypedReference
codeList.LoadArgument(1);
codeList.Add(Code.Ldflda, 1);
// align index (array offset) (Local.0) and save it to TypedReferenece
// Load reference to an array (do not load reference to field data)
codeList.LoadArgument(0);
codeList.Add(Code.Castclass, 9);
codeList.LoadLocal(1);
// load address of an element
codeList.Add(Code.Ldelema, 7);
// elementSize
codeList.LoadArgument(0);
codeList.Add(Code.Castclass, 4);
codeList.Add(Code.Ldfld, 6);
// elementSize - 1
codeList.LoadConstant(1);
codeList.Add(Code.Sub);
codeList.Add(Code.Dup);
codeList.SaveLocal(2);
// size + align - 1
codeList.Add(Code.Add);
// size &= ~(align - 1)
codeList.LoadLocal(2);
codeList.LoadConstant(-1);
codeList.Add(Code.Xor);
codeList.Add(Code.And);
// Save address into TypedReference Value
codeList.Add(Code.Conv_I);
codeList.Add(Code.Stfld, 3);
codeList.Add(Code.Ret);
var typedReferenceType = typeResolver.System.System_TypedReference;
var intPtrType = typeResolver.System.System_IntPtr;
var byteType = typeResolver.System.System_Byte;
var arrayType = byteType.ToArrayType(1);
var multiArrayType = byteType.ToArrayType(2);
var tokenResolutions = new List<object>();
tokenResolutions.Add(typedReferenceType.GetFieldByName("Value", typeResolver));
tokenResolutions.Add(typedReferenceType.GetFieldByName("Type", typeResolver));
tokenResolutions.Add(intPtrType.GetFieldByName("m_value", typeResolver));
tokenResolutions.Add(arrayType);
tokenResolutions.Add(arrayType.GetFieldByName("typeCode", typeResolver));
tokenResolutions.Add(arrayType.GetFieldByName("elementSize", typeResolver));
tokenResolutions.Add(byteType);
tokenResolutions.Add(arrayType.GetFieldByName("rank", typeResolver));
tokenResolutions.Add(multiArrayType);
tokenResolutions.Add(multiArrayType.GetFieldByName("lowerBounds", typeResolver));
tokenResolutions.Add(multiArrayType.GetFieldByName("lengths", typeResolver));
var locals = new List<IType>();
locals.Add(typeResolver.System.System_Int32);
locals.Add(typeResolver.System.System_Int32);
locals.Add(typeResolver.System.System_Int32);
var parameters = new List<IParameter>();
parameters.Add(typeResolver.System.System_Void.ToPointerType().ToParameter());
parameters.Add(typeResolver.System.System_Int32.ToParameter());
parameters.Add(typeResolver.System.System_Int32.ToPointerType().ToParameter());
MethodBodyBank.Register(Name, codeList.GetCode(), tokenResolutions, locals, parameters);
}
public static void GetMulticastDelegateInvoke(
IMethod method,
ITypeResolver typeResolver,
out byte[] code,
out IList<object> tokenResolutions,
out IList<IType> locals,
out IList<IParameter> parameters)
{
parameters = method.GetParameters().ToList();
var codeList = new IlCodeBuilder();
codeList.Add(Code.Ldarg_0);
codeList.Add(Code.Ldfld, 1);
#if MSCORLIB
// to load value from IntPtr
codeList.Add(Code.Ldind_I);
#endif
var jumpForBrtrue_S = codeList.Branch(Code.Brtrue, Code.Brtrue_S);
codeList.Add(Code.Call, 2);
codeList.Add(jumpForBrtrue_S);
codeList.Add(Code.Ldc_I4_0);
codeList.Add(Code.Stloc_0);
var labelForFirstJump = codeList.Branch(Code.Br, Code.Br_S);
// label
var labelForConditionLoop = codeList.CreateLabel();
codeList.Add(Code.Ldarg_0);
codeList.Add(Code.Ldfld, 3);
#if MSCORLIB
codeList.Add(Code.Castclass, 5);
#endif
codeList.Add(Code.Ldloc_0);
codeList.Add(Code.Ldelem_Ref);
var index = 1;
foreach (var parameter in parameters)
{
codeList.LoadArgument(index);
index++;
}
codeList.Add(Code.Callvirt, 4);
if (!method.ReturnType.IsVoid())
{
codeList.Add(Code.Stloc_1);
}
codeList.LoadLocal(0);
codeList.LoadConstant(1);
codeList.Add(Code.Add);
codeList.SaveLocal(0);
// label
codeList.Add(labelForFirstJump);
// for test
codeList.LoadLocal(0);
codeList.LoadArgument(0);
codeList.Add(Code.Ldfld, 1);
#if MSCORLIB
// to load value from IntPtr
codeList.Add(Code.Ldind_I);
#endif
codeList.Branch(Code.Blt, Code.Blt_S, labelForConditionLoop);
if (!method.ReturnType.IsVoid())
{
codeList.Add(Code.Ldloc_1);
}
codeList.Add(Code.Ret);
code = codeList.GetCode();
locals = new List<IType>();
locals.Add(typeResolver.System.System_Int32);
if (!method.ReturnType.IsVoid())
{
locals.Add(method.ReturnType);
}
tokenResolutions = new List<object>();
// 1
tokenResolutions.Add(method.DeclaringType.BaseType.GetFieldByName("_invocationCount", typeResolver));
// call Delegate.Invoke
// 2
tokenResolutions.Add(
new SynthesizedStaticMethod(
string.Empty,
method.DeclaringType,
typeResolver.System.System_Void,
new List<IParameter>(),
(llvmWriter, opCode) =>
{
// get element size
llvmWriter.WriteDelegateInvoke(method, true, true);
}));
// 3
tokenResolutions.Add(method.DeclaringType.BaseType.GetFieldByName("_invocationList", typeResolver));
// call Default stub for now - "ret undef";
// 4
tokenResolutions.Add(IlReader.Methods(method.DeclaringType, typeResolver).First(m => m.Name == "Invoke"));
#if MSCORLIB
// 5, to case Object to Object[]
tokenResolutions.Add(typeResolver.System.System_Object.ToArrayType(1));
#endif
}
public static void GetMulticastDelegateInvoke(
IMethod method,
ITypeResolver typeResolver,
out byte[] code,
out IList <object> tokenResolutions,
out IList <IType> locals,
out IList <IParameter> parameters)
{
parameters = method.GetParameters().ToList();
var codeList = new IlCodeBuilder();
codeList.Add(Code.Ldarg_0);
codeList.Add(Code.Ldfld, 1);
#if MSCORLIB
// to load value from IntPtr
codeList.Add(Code.Ldind_I);
#endif
var jumpForBrtrue_S = codeList.Branch(Code.Brtrue, Code.Brtrue_S);
codeList.Add(Code.Call, 2);
codeList.Add(jumpForBrtrue_S);
codeList.Add(Code.Ldc_I4_0);
codeList.Add(Code.Stloc_0);
var labelForFirstJump = codeList.Branch(Code.Br, Code.Br_S);
// label
var labelForConditionLoop = codeList.CreateLabel();
codeList.Add(Code.Ldarg_0);
codeList.Add(Code.Ldfld, 3);
#if MSCORLIB
codeList.Add(Code.Castclass, 5);
#endif
codeList.Add(Code.Ldloc_0);
codeList.Add(Code.Ldelem_Ref);
var index = 1;
foreach (var parameter in parameters)
{
codeList.LoadArgument(index);
index++;
}
codeList.Add(Code.Callvirt, 4);
if (!method.ReturnType.IsVoid())
{
codeList.Add(Code.Stloc_1);
}
codeList.LoadLocal(0);
codeList.LoadConstant(1);
codeList.Add(Code.Add);
codeList.SaveLocal(0);
// label
codeList.Add(labelForFirstJump);
// for test
codeList.LoadLocal(0);
codeList.LoadArgument(0);
codeList.Add(Code.Ldfld, 1);
#if MSCORLIB
// to load value from IntPtr
codeList.Add(Code.Ldind_I);
#endif
codeList.Branch(Code.Blt, Code.Blt_S, labelForConditionLoop);
if (!method.ReturnType.IsVoid())
{
codeList.Add(Code.Ldloc_1);
}
codeList.Add(Code.Ret);
code = codeList.GetCode();
locals = new List <IType>();
locals.Add(typeResolver.System.System_Int32);
if (!method.ReturnType.IsVoid())
{
locals.Add(method.ReturnType);
}
tokenResolutions = new List <object>();
// 1
tokenResolutions.Add(method.DeclaringType.BaseType.GetFieldByName("_invocationCount", typeResolver));
// call Delegate.Invoke
// 2
tokenResolutions.Add(
new SynthesizedStaticMethod(
string.Empty,
method.DeclaringType,
typeResolver.System.System_Void,
new List <IParameter>(),
(llvmWriter, opCode) =>
{
// get element size
llvmWriter.WriteDelegateInvoke(method, true, true);
}));
// 3
tokenResolutions.Add(method.DeclaringType.BaseType.GetFieldByName("_invocationList", typeResolver));
// call Default stub for now - "ret undef";
// 4
tokenResolutions.Add(IlReader.Methods(method.DeclaringType, typeResolver).First(m => m.Name == "Invoke"));
#if MSCORLIB
// 5, to case Object to Object[]
tokenResolutions.Add(typeResolver.System.System_Object.ToArrayType(1));
#endif
}