public string GetMetaName(FieldX fldX, bool isData = false)
{
return(string.Format("{0}{1}{2}",
isData ? "mdata_" : "meta_",
fldX.IsStatic ? null : GetTypeName(fldX.DeclType, false) + '_',
GetFieldName(fldX)));
}
public string GetFieldName(FieldX fldX)
{
string strName = fldX.GeneratedFieldName;
if (strName == null)
{
string prefix = fldX.IsStatic ? "sfld_" : "fld_";
string middle = null;
if (fldX.IsStatic)
{
int hashCode = Helper.CombineHash(
fldX.GetNameKey().GetHashCode(),
fldX.GetReplacedNameKey().GetHashCode(),
fldX.DeclType.GetNameKey().GetHashCode(),
(int)fldX.Def.Rid);
middle = NameHash(hashCode) + '_' +
GetNameWithGen(fldX.DeclType.Def.Name, fldX.DeclType.GenArgs);
}
else
{
middle = fldX.GetDefOrder().ToString();
}
strName = prefix + middle + '_' + fldX.Def.Name;
fldX.GeneratedFieldName = strName = EscapeName(strName);
}
return(strName);
}
public static string GetCppName(this FieldX fldX)
{
if (fldX.CppName_ == null)
{
fldX.CppName_ = fldX.Def.IsStatic ?
"sfld_" + ToCppName(fldX.DeclType.FullName + "::" + fldX.Def.Name) :
"fld_" + ToCppName(fldX.Def.Name);
}
return(fldX.CppName_);
}
public static bool GenInternalMethod(MethodX metX, CodePrinter prt, GeneratorContext genContext)
{
string typeName = metX.DeclType.GetNameKey();
string metName = metX.Def.Name;
if (typeName == "String")
{
if (metName == "get_Length")
{
FieldX fldLen = metX.DeclType.Fields.FirstOrDefault(
fld => fld.FieldType.ElementType == dnlib.DotNet.ElementType.I4);
prt.AppendFormatLine(@"return arg_0->{0};",
genContext.GetFieldName(fldLen));
return(true);
}
else if (metName == "get_Chars")
{
FieldX fldLen = metX.DeclType.Fields.FirstOrDefault(
fld => fld.FieldType.ElementType == dnlib.DotNet.ElementType.I4);
FieldX fldFirstChar = metX.DeclType.Fields.FirstOrDefault(
fld => fld.FieldType.ElementType == dnlib.DotNet.ElementType.Char);
prt.AppendFormatLine("IL2CPP_CHECK_RANGE(0, arg_0->{0}, arg_1);",
genContext.GetFieldName(fldLen));
prt.AppendFormatLine("return ((uint16_t*)&arg_0->{0})[arg_1];",
genContext.GetFieldName(fldFirstChar));
return(true);
}
}
/*
* else if (typeName == "System.ValueType")
* {
* if (metName == "GetHashCode")
* {
* prt.AppendLine("return (int32_t)0x14AE055C;");
* return true;
* }
* }
* else if (typeName == "System.Runtime.CompilerServices.RuntimeHelpers")
* {
* if (metName == "GetHashCode")
* {
* prt.AppendLine("uintptr_t val = (uintptr_t)arg_0;");
* prt.AppendLine("return (int32_t)((uint32_t)val ^ (uint32_t)(val >> 32));");
* return true;
* }
* }*/
return(false);
}
public static string PrettyName(this FieldX self, bool hasDeclType = false)
{
StringBuilder sb = new StringBuilder();
if (self.Def.IsStatic)
{
sb.Append("static ");
}
PrettyName(sb, self.FieldType, true);
sb.AppendFormat(" {0}{1}",
hasDeclType ? self.DeclType.PrettyName() + "::" : "",
self.Def.Name);
return(sb.ToString());
}
public static bool GenInternalMethod(MethodX metX, CodePrinter prt, GeneratorContext genContext)
{
string typeName = metX.DeclType.GetNameKey();
string metName = metX.Def.Name;
if (typeName == "String")
{
if (metName == "get_Length")
{
FieldX fldLen = metX.DeclType.Fields.FirstOrDefault(
fld => fld.FieldType.ElementType == dnlib.DotNet.ElementType.I4);
prt.AppendFormatLine(@"return arg_0->{0};",
genContext.GetFieldName(fldLen));
return(true);
}
else if (metName == "get_Chars")
{
FieldX fldLen = metX.DeclType.Fields.FirstOrDefault(
fld => fld.FieldType.ElementType == dnlib.DotNet.ElementType.I4);
FieldX fldFirstChar = metX.DeclType.Fields.FirstOrDefault(
fld => fld.FieldType.ElementType == dnlib.DotNet.ElementType.Char);
prt.AppendFormatLine("IL2CPP_CHECK_RANGE(0, arg_0->{0}, arg_1);",
genContext.GetFieldName(fldLen));
prt.AppendFormatLine("return ((uint16_t*)&arg_0->{0})[arg_1];",
genContext.GetFieldName(fldFirstChar));
return(true);
}
}
else if (typeName == "System.Runtime.CompilerServices.RuntimeHelpers")
{
if (metX.Def.Name == "IsReferenceOrContainsReferences")
{
Debug.Assert(metX.HasGenArgs && metX.GenArgs.Count == 1);
TypeX targetType = genContext.GetTypeBySig(metX.GenArgs[0]);
prt.AppendFormatLine("return {0};",
genContext.IsRefOrContainsRef(targetType) ? "1" : "0");
return(true);
}
}
return(false);
}
public string GetFieldName(FieldX fldX)
{
string strName = fldX.GeneratedFieldName;
if (strName == null)
{
string prefix = fldX.IsStatic ? "sfld_" : "fld_";
if (!fldX.DeclType.HasGenArgs && fldX.DeclType.Def.DefinitionAssembly.IsCorLib())
{
string middle = null;
if (fldX.IsStatic)
{
middle = GetNameWithGen(fldX.DeclType.Def.Name, fldX.DeclType.GenArgs) +
"__";
}
strName = prefix + middle + fldX.Def.Name;
}
else
{
string middle = null;
if (fldX.IsStatic)
{
int hashCode = Helper.CombineHash(
fldX.GetNameKey().GetHashCode(),
fldX.GetReplacedNameKey().GetHashCode(),
fldX.DeclType.GetNameKey().GetHashCode());
middle = NameHash(hashCode) + '_' +
GetNameWithGen(fldX.DeclType.Def.Name, fldX.DeclType.GenArgs);
}
else
{
middle = NameHash((int)fldX.Def.Rid);
}
strName = prefix + middle + "__" + fldX.Def.Name;
}
fldX.GeneratedFieldName = strName = EscapeName(strName);
}
return(strName);
}
public static bool GenInternalMethod(MethodX metX, CodePrinter prt, GeneratorContext genContext)
{
string typeName = metX.DeclType.GetNameKey();
string metName = metX.Def.Name;
if (typeName == "String")
{
if (metName == "get_Length")
{
FieldX fldLen = metX.DeclType.Fields.FirstOrDefault(
fld => fld.FieldType.ElementType == dnlib.DotNet.ElementType.I4);
prt.AppendFormatLine(@"return arg_0->{0};",
genContext.GetFieldName(fldLen));
return(true);
}
else if (metName == "get_Chars")
{
FieldX fldLen = metX.DeclType.Fields.FirstOrDefault(
fld => fld.FieldType.ElementType == dnlib.DotNet.ElementType.I4);
FieldX fldFirstChar = metX.DeclType.Fields.FirstOrDefault(
fld => fld.FieldType.ElementType == dnlib.DotNet.ElementType.Char);
prt.AppendFormatLine("IL2CPP_CHECK_RANGE(0, arg_0->{0}, arg_1);",
genContext.GetFieldName(fldLen));
prt.AppendFormatLine("return ((uint16_t*)&arg_0->{0})[arg_1];",
genContext.GetFieldName(fldFirstChar));
return(true);
}
}
else if (typeName == "System.Array")
{
if (metName == "get_Rank")
{
prt.AppendLine(
@"if (arg_0->Rank == 0)
return 1;
return arg_0->Rank;");
return(true);
}
else if (metName == "get_Length")
{
prt.AppendLine(
@"if (arg_0->Rank == 0)
return ((int32_t*)&arg_0[1])[0];
else
{
int32_t length = 1;
for (int32_t i = 0, sz = arg_0->Rank; i < sz; ++i)
length *= ((int32_t*)&arg_0[1])[i * 2 + 1];
return length;
}");
return(true);
}
else if (metName == "get_LongLength")
{
prt.AppendLine(
@"if (arg_0->Rank == 0)
return ((int32_t*)&arg_0[1])[0];
else
{
int64_t length = 1;
for (int32_t i = 0, sz = arg_0->Rank; i < sz; ++i)
length *= ((int32_t*)&arg_0[1])[i * 2 + 1];
return length;
}");
return(true);
}
else if (metName == "GetLength")
{
prt.AppendLine(
@"if (arg_0->Rank == 0)
{
IL2CPP_CHECK_RANGE(0, 1, arg_1);
return ((int32_t*)&arg_0[1])[0];
}
else
{
IL2CPP_CHECK_RANGE(0, arg_0->Rank, arg_1);
return ((int32_t*)&arg_0[1])[arg_1 * 2 + 1];
}");
return(true);
}
else if (metName == "GetLowerBound")
{
prt.AppendLine(
@"if (arg_0->Rank == 0)
{
IL2CPP_CHECK_RANGE(0, 1, arg_1);
return 0;
}
else
{
IL2CPP_CHECK_RANGE(0, arg_0->Rank, arg_1);
return ((int32_t*)&arg_0[1])[arg_1 * 2];
}");
return(true);
}
else if (metName == "GetUpperBound")
{
prt.AppendLine(
@"if (arg_0->Rank == 0)
{
IL2CPP_CHECK_RANGE(0, 1, arg_1);
return ((int32_t*)&arg_0[1])[0] - 1;
}
else
{
IL2CPP_CHECK_RANGE(0, arg_0->Rank, arg_1);
return ((int32_t*)&arg_0[1])[arg_1 * 2] + ((int32_t*)&arg_0[1])[arg_1 * 2 + 1] - 1;
}");
return(true);
}
}
else if (typeName == "System.Environment")
{
if (metName == "GetResourceFromDefault")
{
prt.AppendLine("return arg_0;");
return(true);
}
}
return(false);
}
public void AddField(string key, FieldX fldX)
{
FieldMap.Add(key, fldX);
}
public bool GetField(string key, out FieldX fldX)
{
return(FieldMap.TryGetValue(key, out fldX));
}
private void ResolveOperand(InstInfo inst, IGenericReplacer replacer)
{
// 预处理指令
switch (inst.OpCode.Code)
{
case Code.Ldstr:
// 解析 System.String 类型
if (!IsStringTypeResolved)
{
IsStringTypeResolved = true;
if (!TypeMap.ContainsKey("String"))
{
TypeX strTyX = ResolveTypeDefOrRef(Context.CorLibTypes.String.ToTypeDefOrRef(), null);
foreach (FieldDef fldDef in strTyX.Def.Fields)
{
if (!fldDef.IsStatic)
{
FieldX fldX = new FieldX(strTyX, fldDef);
AddField(fldX);
}
}
strTyX.IsInstantiated = true;
}
}
break;
case Code.Newarr:
{
// newobj T[]::.ctor(int)
TypeSig elemSig = ((ITypeDefOrRef)inst.Operand).ToTypeSig();
inst.OpCode = OpCodes.Newobj;
inst.Operand = new MemberRefUser(
Context.CorLibModule,
".ctor",
MethodSig.CreateInstance(Context.CorLibTypes.Void, Context.CorLibTypes.Int32),
new TypeSpecUser(new SZArraySig(elemSig)));
break;
}
case Code.Ldlen:
{
// call int Array::get_Length()
inst.OpCode = OpCodes.Call;
inst.Operand = new MemberRefUser(
Context.CorLibModule,
"get_Length",
MethodSig.CreateInstance(Context.CorLibTypes.Int32),
Context.CorLibTypes.GetTypeRef("System", "Array"));
break;
}
case Code.Ldelema:
{
// call T& T[]::Address(int)
TypeSig elemSig = ((ITypeDefOrRef)inst.Operand).ToTypeSig();
inst.OpCode = OpCodes.Call;
inst.Operand = new MemberRefUser(
Context.CorLibModule,
"Address",
MethodSig.CreateInstance(new ByRefSig(elemSig), Context.CorLibTypes.Int32),
new TypeSpecUser(new SZArraySig(elemSig)));
break;
}
case Code.Ldelem_I1:
case Code.Ldelem_U1:
case Code.Ldelem_I2:
case Code.Ldelem_U2:
case Code.Ldelem_I4:
case Code.Ldelem_U4:
case Code.Ldelem_I8:
case Code.Ldelem_I:
case Code.Ldelem_R4:
case Code.Ldelem_R8:
case Code.Ldelem_Ref:
case Code.Ldelem:
{
TypeSig elemSig = null;
switch (inst.OpCode.Code)
{
case Code.Ldelem_I1:
elemSig = Context.CorLibTypes.SByte;
break;
case Code.Ldelem_U1:
elemSig = Context.CorLibTypes.Byte;
break;
case Code.Ldelem_I2:
elemSig = Context.CorLibTypes.Int16;
break;
case Code.Ldelem_U2:
elemSig = Context.CorLibTypes.UInt16;
break;
case Code.Ldelem_I4:
elemSig = Context.CorLibTypes.Int32;
break;
case Code.Ldelem_U4:
elemSig = Context.CorLibTypes.UInt32;
break;
case Code.Ldelem_I8:
elemSig = Context.CorLibTypes.Int64;
break;
case Code.Ldelem_I:
elemSig = Context.CorLibTypes.IntPtr;
break;
case Code.Ldelem_R4:
elemSig = Context.CorLibTypes.Single;
break;
case Code.Ldelem_R8:
elemSig = Context.CorLibTypes.Double;
break;
case Code.Ldelem_Ref:
elemSig = Context.CorLibTypes.Object;
break;
case Code.Ldelem:
elemSig = ((ITypeDefOrRef)inst.Operand).ToTypeSig();
break;
}
// call T T[]::Get(int)
inst.OpCode = OpCodes.Call;
inst.Operand = new MemberRefUser(
Context.CorLibModule,
"Get",
MethodSig.CreateInstance(elemSig, Context.CorLibTypes.Int32),
new TypeSpecUser(new SZArraySig(elemSig)));
break;
}
case Code.Stelem_I1:
case Code.Stelem_I2:
case Code.Stelem_I4:
case Code.Stelem_I8:
case Code.Stelem_I:
case Code.Stelem_R4:
case Code.Stelem_R8:
case Code.Stelem_Ref:
case Code.Stelem:
{
TypeSig elemSig = null;
switch (inst.OpCode.Code)
{
case Code.Stelem_I1:
elemSig = Context.CorLibTypes.SByte;
break;
case Code.Stelem_I2:
elemSig = Context.CorLibTypes.Int16;
break;
case Code.Stelem_I4:
elemSig = Context.CorLibTypes.Int32;
break;
case Code.Stelem_I8:
elemSig = Context.CorLibTypes.Int64;
break;
case Code.Stelem_I:
elemSig = Context.CorLibTypes.IntPtr;
break;
case Code.Stelem_R4:
elemSig = Context.CorLibTypes.Single;
break;
case Code.Stelem_R8:
elemSig = Context.CorLibTypes.Double;
break;
case Code.Stelem_Ref:
elemSig = Context.CorLibTypes.Object;
break;
case Code.Stelem:
elemSig = ((ITypeDefOrRef)inst.Operand).ToTypeSig();
break;
}
// call void T[]::Set(int,T)
inst.OpCode = OpCodes.Call;
inst.Operand = new MemberRefUser(
Context.CorLibModule,
"Set",
MethodSig.CreateInstance(Context.CorLibTypes.Void, Context.CorLibTypes.Int32, elemSig),
new TypeSpecUser(new SZArraySig(elemSig)));
break;
}
}
switch (inst.OpCode.OperandType)
{
case OperandType.InlineMethod:
{
MethodX resMetX;
switch (inst.Operand)
{
case MethodDef metDef:
resMetX = ResolveMethodDef(metDef);
break;
case MemberRef memRef:
resMetX = ResolveMethodRef(memRef, replacer);
break;
case MethodSpec metSpec:
resMetX = ResolveMethodSpec(metSpec, replacer);
break;
default:
throw new ArgumentOutOfRangeException();
}
bool isReAddMethod = false;
if (inst.OpCode.Code == Code.Newobj)
{
Debug.Assert(!resMetX.Def.IsStatic);
Debug.Assert(resMetX.Def.IsConstructor);
// 设置实例化标记
resMetX.DeclType.IsInstantiated = true;
// 生成静态构造和终结器
GenStaticCctor(resMetX.DeclType);
GenFinalizer(resMetX.DeclType);
}
else if (inst.OpCode.Code == Code.Callvirt ||
inst.OpCode.Code == Code.Ldvirtftn)
{
if (resMetX.IsVirtual)
{
AddVCallEntry(resMetX);
}
else
{
// 非虚方法重定向指令
inst.OpCode = inst.OpCode.Code == Code.Callvirt ?
OpCodes.Call : OpCodes.Ldftn;
}
}
else if (resMetX.IsVirtual &&
(inst.OpCode.Code == Code.Call ||
inst.OpCode.Code == Code.Ldftn))
{
// 处理方法替换
if (resMetX.DeclType.QueryCallReplace(this, resMetX.Def, out TypeX implTyX, out var implDef))
{
resMetX.IsSkipProcessing = true;
Debug.Assert(implTyX != null);
MethodX implMetX = MakeMethodX(implTyX, implDef, resMetX.GenArgs);
resMetX = implMetX;
}
else
{
isReAddMethod = true;
}
}
else
{
isReAddMethod = true;
}
if (isReAddMethod)
{
// 尝试重新加入处理队列
AddPendingMethod(resMetX);
}
if (resMetX.IsStatic)
{
// 生成静态构造
GenStaticCctor(resMetX.DeclType);
}
inst.Operand = resMetX;
return;
}
public static bool GenInternalMethod(MethodX metX, CodePrinter prt, GeneratorContext genContext)
{
string typeName = metX.DeclType.GetNameKey();
string metName = metX.Def.Name;
if (typeName == "String")
{
if (metName == "get_Length")
{
FieldX fldLen = metX.DeclType.Fields.FirstOrDefault(
fld => fld.FieldType.ElementType == dnlib.DotNet.ElementType.I4);
prt.AppendFormatLine(@"return arg_0->{0};",
genContext.GetFieldName(fldLen));
return(true);
}
else if (metName == "get_Chars")
{
FieldX fldLen = metX.DeclType.Fields.FirstOrDefault(
fld => fld.FieldType.ElementType == dnlib.DotNet.ElementType.I4);
FieldX fldFirstChar = metX.DeclType.Fields.FirstOrDefault(
fld => fld.FieldType.ElementType == dnlib.DotNet.ElementType.Char);
prt.AppendFormatLine("IL2CPP_CHECK_RANGE(0, arg_0->{0}, arg_1);",
genContext.GetFieldName(fldLen));
prt.AppendFormatLine("return ((uint16_t*)&arg_0->{0})[arg_1];",
genContext.GetFieldName(fldFirstChar));
return(true);
}
else if (metName == "InternalMarvin32HashString")
{
FieldX fldLen = metX.DeclType.Fields.FirstOrDefault(
fld => fld.FieldType.ElementType == dnlib.DotNet.ElementType.I4);
FieldX fldFirstChar = metX.DeclType.Fields.FirstOrDefault(
fld => fld.FieldType.ElementType == dnlib.DotNet.ElementType.Char);
prt.AppendFormatLine("return il2cpp_HashString(&arg_0->{0}, arg_0->{1});",
genContext.GetFieldName(fldFirstChar),
genContext.GetFieldName(fldLen));
return(true);
}
}
else if (typeName == "System.Runtime.CompilerServices.RuntimeHelpers")
{
if (metName == "IsReferenceOrContainsReferences")
{
Debug.Assert(metX.HasGenArgs && metX.GenArgs.Count == 1);
TypeX targetType = genContext.GetTypeBySig(metX.GenArgs[0]);
prt.AppendFormatLine("return {0};",
genContext.IsRefOrContainsRef(targetType) ? "1" : "0");
return(true);
}
else if (metName == "InitializeArray")
{
TypeX tyArg1 = genContext.GetTypeBySig(metX.ParamTypes[1]);
Debug.Assert(tyArg1 != null);
FieldX rtFldX = tyArg1.Fields.First();
prt.AppendFormatLine("il2cpp_Array__Init(arg_0, (il2cppFieldInfo*)arg_1.{0});",
genContext.GetFieldName(rtFldX));
return(true);
}
}
else if (typeName == "System.Math")
{
if (metName == "Sqrt")
{
prt.AppendLine("return il2cpp_Sqrt(arg_0);");
return(true);
}
}
return(false);
}
public static bool GenInternalMethod(MethodGenerator metGen, CodePrinter prt)
{
MethodX metX = metGen.CurrMethod;
GeneratorContext genContext = metGen.GenContext;
string typeName = metX.DeclType.GetNameKey();
string metName = metX.Def.Name;
string metSigName = metX.GetNameKey();
if (typeName == "Object")
{
if (metName == "GetInternalTypeID")
{
prt.AppendLine("return (int32_t)arg_0->TypeID;");
return(true);
}
}
else if (typeName == "String")
{
FieldX fldLen = metX.DeclType.Fields.FirstOrDefault(
fld => fld.FieldType.ElementType == dnlib.DotNet.ElementType.I4);
FieldX fldFirstChar = metX.DeclType.Fields.FirstOrDefault(
fld => fld.FieldType.ElementType == dnlib.DotNet.ElementType.Char);
if (metName == "get_Length")
{
prt.AppendFormatLine(@"return arg_0->{0};",
genContext.GetFieldName(fldLen));
return(true);
}
else if (metName == "get_Chars")
{
prt.AppendFormatLine("IL2CPP_CHECK_RANGE(0, arg_0->{0}, arg_1);",
genContext.GetFieldName(fldLen));
prt.AppendFormatLine("return ((uint16_t*)&arg_0->{0})[arg_1];",
genContext.GetFieldName(fldFirstChar));
return(true);
}
else if (metName == "InternalMarvin32HashString")
{
prt.AppendFormatLine("return il2cpp_HashString(&arg_0->{0}, arg_0->{1});",
genContext.GetFieldName(fldFirstChar),
genContext.GetFieldName(fldLen));
return(true);
}
else if (metName == "FastAllocateString")
{
prt.AppendFormatLine(
"cls_String* str = (cls_String*)IL2CPP_NEW(sizeof(cls_String) + sizeof(uint16_t) * arg_0, {0}, 1);",
genContext.GetStringTypeID());
prt.AppendFormatLine("str->{0} = arg_0;",
genContext.GetFieldName(fldLen));
prt.AppendLine("return str;");
return(true);
}
else if (metSigName == ".ctor|Void(Char*,Int32,Int32)|20")
{
prt.AppendFormatLine("arg_0->{0} = arg_3;",
genContext.GetFieldName(fldLen));
prt.AppendFormatLine("IL2CPP_MEMCPY(&arg_0->{0}, arg_1 + arg_2, sizeof(uint16_t) * arg_3);",
genContext.GetFieldName(fldFirstChar));
return(true);
}
}
else if (typeName == "System.Array")
{
if (metName == "get_Rank")
{
prt.AppendLine("if (arg_0->Rank == 0)");
++prt.Indents;
prt.AppendLine("return 1;");
--prt.Indents;
prt.AppendLine("return arg_0->Rank;");
return(true);
}
else if (metName == "get_Length")
{
prt.AppendLine("return il2cpp_Array__GetLength(arg_0);");
return(true);
}
else if (metName == "get_LongLength")
{
prt.AppendLine("return il2cpp_Array__GetLongLength(arg_0);");
return(true);
}
else if (metName == "GetLength")
{
prt.AppendLine("return il2cpp_Array__GetLength(arg_0, arg_1);");
return(true);
}
else if (metName == "GetLowerBound")
{
prt.AppendLine("return il2cpp_Array__GetLowerBound(arg_0, arg_1);");
return(true);
}
else if (metName == "GetUpperBound")
{
prt.AppendLine("return il2cpp_Array__GetUpperBound(arg_0, arg_1);");
return(true);
}
else if (metName == "Copy")
{
prt.AppendLine("return il2cpp_Array__Copy(arg_0, arg_1, arg_2, arg_3, arg_4);");
return(true);
}
else if (metName == "Clear")
{
prt.AppendLine("return il2cpp_Array__Clear(arg_0, arg_1, arg_2);");
return(true);
}
}
else if (typeName == "System.Runtime.CompilerServices.RuntimeHelpers")
{
if (metName == "IsReferenceOrContainsReferences")
{
var targetType = GetMethodGenType(metX, genContext);
prt.AppendFormatLine("return {0};",
genContext.IsRefOrContainsRef(targetType) ? "1" : "0");
return(true);
}
else if (metName == "CanCompareBits")
{
var targetType = GetMethodGenType(metX, genContext);
bool canCompareBits = true;
foreach (var fldX in targetType.Fields)
{
if (!Helper.IsBasicValueType(fldX.FieldType.ElementType))
{
canCompareBits = false;
break;
}
}
prt.AppendFormatLine("return {0};",
canCompareBits ? "1" : "0");
return(true);
}
else if (metName == "GetInternalTypeID")
{
var targetType = GetMethodGenType(metX, genContext);
prt.AppendFormatLine("return {0};",
genContext.GetTypeID(targetType));
return(true);
}
else if (metName == "FastCompareBits")
{
var argTySig = metX.ParamTypes[0].Next;
metGen.RefValueTypeImpl(argTySig);
if (Helper.IsBasicValueType(argTySig.ElementType) ||
genContext.GetTypeBySig(argTySig).IsEnumType)
{
prt.AppendLine("return *arg_0 == *arg_1 ? 1 : 0;");
}
else
{
prt.AppendLine("return IL2CPP_MEMCMP(arg_0, arg_1, sizeof(*arg_0)) == 0 ? 1 : 0;");
}
return(true);
}
else if (metName == "InitializeArray")
{
TypeX tyArg1 = genContext.GetTypeBySig(metX.ParamTypes[1]);
Debug.Assert(tyArg1 != null);
FieldX rtFldX = tyArg1.Fields.First();
prt.AppendFormatLine("il2cpp_Array__Init(arg_0, (il2cppFieldInfo*)arg_1.{0});",
genContext.GetFieldName(rtFldX));
return(true);
}
else if (metName == "Equals")
{
prt.AppendLine("return arg_0 == arg_1 ? 1 : 0;");
return(true);
}
else if (metName == "GetHashCode")
{
prt.AppendLine("uintptr_t val = (uintptr_t)arg_0;");
prt.AppendLine("return (int32_t)((uint32_t)val ^ (uint32_t)(val >> 32) ^ (uint32_t)0x14AE055C);");
return(true);
}
}
else if (typeName == "System.Runtime.CompilerServices.JitHelpers")
{
if (metName == "GetRawSzArrayData")
{
prt.AppendLine("IL2CPP_ASSERT(arg_0->Rank == 0);");
prt.AppendLine("return (uint8_t*)&arg_0[1];");
return(true);
}
}
else if (typeName == "Internal.Runtime.CompilerServices.Unsafe")
{
if (metName == "As")
{
prt.AppendFormatLine("return ({0})arg_0;",
genContext.GetTypeName(metX.ReturnType));
return(true);
}
}
else if (typeName == "System.Buffer")
{
if (metName == "__Memmove")
{
prt.AppendLine("IL2CPP_MEMMOVE(arg_0, arg_1, arg_2);");
return(true);
}
}
else if (typeName == "System.Math")
{
if (metName == "Abs")
{
prt.AppendLine("return il2cpp_Abs(arg_0);");
return(true);
}
else if (metName == "Sqrt")
{
prt.AppendLine("return il2cpp_Sqrt(arg_0);");
return(true);
}
else if (metName == "Sin")
{
prt.AppendLine("return il2cpp_Sin(arg_0);");
return(true);
}
else if (metName == "Cos")
{
prt.AppendLine("return il2cpp_Cos(arg_0);");
return(true);
}
else if (metName == "Tan")
{
prt.AppendLine("return il2cpp_Tan(arg_0);");
return(true);
}
else if (metName == "Pow")
{
prt.AppendLine("return il2cpp_Pow(arg_0, arg_1);");
return(true);
}
}
else if (typeName == "System.Threading.Monitor")
{
if (metName == "ReliableEnter")
{
prt.AppendLine("il2cpp_SpinLock(arg_0->Flags[0]);");
prt.AppendLine("*arg_1 = 1;");
return(true);
}
else if (metName == "Exit")
{
prt.AppendLine("il2cpp_SpinUnlock(arg_0->Flags[0]);");
return(true);
}
}
else if (typeName == "System.Threading.Interlocked")
{
if (metName == "CompareExchange")
{
prt.AppendLine("return il2cpp_CompareExchange(arg_0, arg_1, arg_2);");
return(true);
}
}
else if (typeName == "System.GC")
{
if (metName == "_Collect")
{
prt.AppendLine("il2cpp_GC_Collect();");
return(true);
}
}
return(false);
}
