94 lines
3.2 KiB
C#
94 lines
3.2 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 dndbg.COM.CorDebug;
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using dndbg.Engine;
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using dnSpy.Contracts.Debugger;
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using dnSpy.Contracts.Utilities;
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namespace dnSpy.Debugger.DotNet.CorDebug.Impl {
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sealed class DebugOptionsProviderImpl : DebugOptionsProvider {
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readonly bool suppressJITOptimization_SystemModules;
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readonly bool suppressJITOptimization_ProgramModules;
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public DebugOptionsProviderImpl(DebuggerSettings debuggerSettings) {
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suppressJITOptimization_SystemModules = debuggerSettings.SuppressJITOptimization_SystemModules;
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suppressJITOptimization_ProgramModules = debuggerSettings.SuppressJITOptimization_ProgramModules;
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}
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public override CorDebugJITCompilerFlags GetDesiredNGENCompilerFlags(DnProcess process) =>
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suppressJITOptimization_SystemModules ? CorDebugJITCompilerFlags.CORDEBUG_JIT_DISABLE_OPTIMIZATION : CorDebugJITCompilerFlags.CORDEBUG_JIT_DEFAULT;
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bool IsProgramModule(DnModule module) {
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if (module.IsDynamic || module.IsInMemory)
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return true;
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var filename = module.Name;
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if (!File.Exists(filename))
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return true;
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if (GacInfo.IsGacPath(filename))
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return false;
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var dnDebugger = module.Process.Debugger;
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if (IsInDirOrSubDir(Path.GetDirectoryName(dnDebugger.CLRPath)!, filename))
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return false;
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return true;
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}
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static bool IsInDirOrSubDir(string dir, string filename) {
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dir = dir.Replace(Path.AltDirectorySeparatorChar, Path.DirectorySeparatorChar);
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if (dir.Length > 0 && dir[dir.Length - 1] != Path.DirectorySeparatorChar)
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dir += Path.DirectorySeparatorChar.ToString();
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filename = filename.Replace(Path.AltDirectorySeparatorChar, Path.DirectorySeparatorChar);
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return filename.StartsWith(dir, StringComparison.OrdinalIgnoreCase);
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}
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bool IsJustMyCode(DnModule module) => true;
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public override ModuleLoadOptions GetModuleLoadOptions(DnModule module) {
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ModuleLoadOptions options = default;
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bool suppressJITOptimization;
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if (IsProgramModule(module))
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suppressJITOptimization = suppressJITOptimization_ProgramModules;
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else
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suppressJITOptimization = suppressJITOptimization_SystemModules;
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if (suppressJITOptimization) {
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options.JITCompilerFlags = CorDebugJITCompilerFlags.CORDEBUG_JIT_DISABLE_OPTIMIZATION;
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options.ModuleTrackJITInfo = true;
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options.ModuleAllowJitOptimizations = false;
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}
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else {
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options.JITCompilerFlags = CorDebugJITCompilerFlags.CORDEBUG_JIT_DEFAULT;
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options.ModuleTrackJITInfo = false;
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options.ModuleAllowJitOptimizations = true;
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}
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options.JustMyCode = IsJustMyCode(module);
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return options;
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}
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}
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}
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