56 lines
1.6 KiB
C#
56 lines
1.6 KiB
C#
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/*
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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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namespace dnSpy.Debugger.DotNet.CorDebug.Utilities {
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static class DotNetAssemblyUtilities {
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public static int TryGetProgramBitness(string? filename) {
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if (!File.Exists(filename))
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return 0;
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try {
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using (var peImage = new PEImage(filename)) {
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var dotNetDir = peImage.ImageNTHeaders.OptionalHeader.DataDirectories[14];
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if (dotNetDir.VirtualAddress == 0 || dotNetDir.Size < 0x48) {
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switch (peImage.ImageNTHeaders.FileHeader.Machine) {
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case Machine.I386:
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case Machine.ARMNT:
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return 32;
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case Machine.AMD64:
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case Machine.IA64:
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case Machine.ARM64:
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return 64;
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}
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}
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else {
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using (var module = ModuleDefMD.Load(peImage))
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return module.GetPointerSize(IntPtr.Size, 4) * 8;
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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 0;
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}
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}
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}
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