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[Perf] Add IID Lookup Optimization (#849)
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| NOTICES AND INFORMATION | ||
| Do Not Translate or Localize | ||
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| This software incorporates material from third parties. | ||
| Microsoft makes certain open source code available at https://3rdpartysource.microsoft.com, | ||
| or you may send a check or money order for US $5.00, including the product name, | ||
| the open source component name, platform, and version number, to: | ||
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| Microsoft Corporation | ||
| One Microsoft Way | ||
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| Notwithstanding any other terms, you may reverse engineer this software to the extent | ||
| required to debug changes to any libraries licensed under the GNU Lesser General Public License. | ||
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| --------------------------------------------------------- | ||
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| Mono.Cecil 0.11.4 - MIT | ||
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| Copyright (c) 2008 - 2015 Jb Evain | ||
| Copyright (c) 2008 - 2011 Novell, Inc. | ||
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| Permission is hereby granted, free of charge, to any person obtaining | ||
| a copy of this software and associated documentation files (the | ||
| "Software"), to deal in the Software without restriction, including | ||
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| The above copyright notice and this permission notice shall be | ||
| included in all copies or substantial portions of the Software. | ||
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| THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | ||
| EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | ||
| MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | ||
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| LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION | ||
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| WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,110 @@ | ||
| using Mono.Cecil; | ||
| using Mono.Cecil.Cil; | ||
| using System; | ||
| using System.Linq; | ||
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| namespace GuidPatch | ||
| { | ||
| static class CecilExtensions | ||
| { | ||
| internal static Guid? ReadGuidFromAttribute(this TypeReference type, TypeReference guidAttributeType, AssemblyDefinition winrtRuntimeAssembly) | ||
| { | ||
| TypeDefinition def = type.Resolve(); | ||
| var guidAttr = def.CustomAttributes.FirstOrDefault(attr => attr.AttributeType.Resolve() == guidAttributeType); | ||
| if (guidAttr is null) | ||
| { | ||
| TypeDefinition abiType = def.GetCswinrtAbiTypeDefinition(winrtRuntimeAssembly); | ||
| if (abiType is not null) | ||
| { | ||
| return abiType.ReadGuidFromAttribute(guidAttributeType, winrtRuntimeAssembly); | ||
| } | ||
| return null; | ||
| } | ||
| return new Guid((string)guidAttr.ConstructorArguments[0].Value); | ||
| } | ||
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| internal static TypeDefinition GetCswinrtAbiTypeDefinition(this TypeReference type, AssemblyDefinition winrtRuntimeAssembly) | ||
| { | ||
| var resolvedType = type.Resolve(); | ||
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| return resolvedType.Module.GetType($"ABI.{resolvedType.FullName}") ?? | ||
| winrtRuntimeAssembly.MainModule.GetType($"ABI.{resolvedType.FullName}"); | ||
| } | ||
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| internal static MethodDefinition CreateIIDDataGetter(TypeReference type, Guid iidValue, TypeDefinition dataBlockType, TypeDefinition parentType, TypeReference readOnlySpanOfByte, MethodReference readOnlySpanOfByteCtor) | ||
| { | ||
| var guidDataMethod = new MethodDefinition($"<IIDData>{type.FullName}", MethodAttributes.Assembly | MethodAttributes.Static, readOnlySpanOfByte); | ||
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| WriteIIDDataGetterBody(guidDataMethod, type, iidValue, dataBlockType, parentType, readOnlySpanOfByteCtor); | ||
| return guidDataMethod; | ||
| } | ||
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| internal static void WriteIIDDataGetterBody(MethodDefinition method, TypeReference type, Guid iidValue, TypeDefinition dataBlockType, TypeDefinition parentType, MethodReference readOnlySpanOfByteCtor) | ||
| { | ||
| var guidDataField = new FieldDefinition($"<IIDDataField>{type.FullName}", FieldAttributes.Private | FieldAttributes.Static | FieldAttributes.InitOnly | FieldAttributes.HasFieldRVA, dataBlockType) | ||
| { | ||
| InitialValue = iidValue.ToByteArray() | ||
| }; | ||
| parentType.Fields.Add(guidDataField); | ||
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| var ilProcessor = method.Body.GetILProcessor(); | ||
| ilProcessor.Clear(); | ||
| ilProcessor.Append(Instruction.Create(OpCodes.Ldsflda, guidDataField)); | ||
| ilProcessor.Append(Instruction.Create(OpCodes.Ldc_I4, 16)); | ||
| ilProcessor.Append(Instruction.Create(OpCodes.Newobj, readOnlySpanOfByteCtor)); | ||
| ilProcessor.Append(Instruction.Create(OpCodes.Ret)); | ||
| } | ||
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| internal static TypeDefinition GetOrCreateDataBlockType(TypeDefinition parentType, int size) | ||
| { | ||
| if (size < 0 || size > ushort.MaxValue) | ||
| { | ||
| throw new ArgumentOutOfRangeException(nameof(size)); | ||
| } | ||
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| string typeName = $"__StaticDataBlock<>Size={size}"; | ||
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| var typeRef = new TypeReference(null, typeName, parentType.Module, parentType.Module) | ||
| { | ||
| DeclaringType = parentType | ||
| }; | ||
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| if (typeRef.Resolve() is TypeDefinition td) | ||
| { | ||
| return td; | ||
| } | ||
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| td = new TypeDefinition(null, typeName, TypeAttributes.AutoClass | TypeAttributes.Sealed | TypeAttributes.NestedAssembly | TypeAttributes.SequentialLayout | TypeAttributes.AnsiClass, new TypeReference("System", "ValueType", parentType.Module, parentType.Module.TypeSystem.CoreLibrary)) | ||
| { | ||
| PackingSize = 1, | ||
| ClassSize = size | ||
| }; | ||
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| parentType.NestedTypes.Add(td); | ||
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| return td; | ||
| } | ||
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| internal static TypeReference? FindTypeReference(ModuleDefinition module, string ns, string name, string basicAssemblyName, bool isValueType) | ||
| { | ||
| foreach (var asm in module.AssemblyReferences) | ||
| { | ||
| if (asm.Name == basicAssemblyName || asm.Name.StartsWith($"{basicAssemblyName},")) | ||
| { | ||
| TypeReference typeRef = new TypeReference(ns, name, module, asm, isValueType); | ||
| if (typeRef.Resolve() != null) | ||
| { | ||
| return module.ImportReference(typeRef); | ||
| } | ||
| break; | ||
| } | ||
| } | ||
| var resolved = module.AssemblyResolver.Resolve(new AssemblyNameReference(basicAssemblyName, default)); | ||
| if (resolved is null) | ||
| { | ||
| return null; | ||
| } | ||
| return resolved.MainModule.Types.FirstOrDefault(t => t.Namespace == ns && t.Name == name); | ||
| } | ||
| } | ||
| } |
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