75 lines
2.5 KiB
C#
75 lines
2.5 KiB
C#
/*
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Copyright (C) 2014-2019 de4dot@gmail.com
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This file is part of dnSpy
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dnSpy is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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dnSpy is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with dnSpy. If not, see <http://www.gnu.org/licenses/>.
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*/
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using System;
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using System.IO;
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using dnlib.DotNet;
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using dnlib.PE;
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using dnSpy.Contracts.Debugger.StartDebugging;
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namespace dnSpy.Debugger.DotNet.Dialogs.DebugProgram {
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[ExportGenericDebugEngineGuidProvider(PredefinedGenericDebugEngineGuidProviderOrders.DotNetAny)]
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sealed class DotNetGenericDebugEngineGuidProvider : GenericDebugEngineGuidProvider {
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public override Guid? GetEngineGuid(string filename) {
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if (!File.Exists(filename))
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return null;
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if (!PortableExecutableFileHelpers.IsExecutable(filename))
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return null;
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try {
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using (var peImage = new PEImage(filename)) {
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if ((peImage.ImageNTHeaders.FileHeader.Characteristics & Characteristics.Dll) != 0)
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return null;
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var dd = peImage.ImageNTHeaders.OptionalHeader.DataDirectories[14];
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if (dd.VirtualAddress == 0 || dd.Size < 0x48)
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return null;
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using (var mod = ModuleDefMD.Load(peImage, new ModuleCreationOptions())) {
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var asm = mod.Assembly;
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if (asm is null)
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return null;
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var defaultGuid = PredefinedGenericDebugEngineGuids.DotNetFramework;
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var ca = asm.CustomAttributes.Find("System.Runtime.Versioning.TargetFrameworkAttribute");
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if (ca is null)
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return defaultGuid;
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if (ca.ConstructorArguments.Count != 1)
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return defaultGuid;
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string s = ca.ConstructorArguments[0].Value as UTF8String;
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if (s is null)
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return defaultGuid;
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// See corclr/src/mscorlib/src/System/Runtime/Versioning/BinaryCompatibility.cs
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var values = s.Split(new char[] { ',' });
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if (values.Length >= 2 && values.Length <= 3) {
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var framework = values[0].Trim();
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if (framework == ".NETCoreApp")
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return PredefinedGenericDebugEngineGuids.DotNet;
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}
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return defaultGuid;
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}
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}
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}
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catch {
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}
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return null;
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}
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}
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}
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