522 lines
16 KiB
C#
522 lines
16 KiB
C#
//
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// Copyright (C) 2011 Xamarin Inc (http://www.xamarin.com)
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.IO;
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using IKVM.Reflection;
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using IKVM.Reflection.Metadata;
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namespace Ildasm
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{
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enum MetadataTableIndex {
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Module = 0x0,
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CustomAttribute = 0xc,
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ModuleRef = 0x1a,
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Assembly = 0x20,
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AssemblyRef = 0x23,
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ExportedType = 0x27,
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// Portable PDB tables
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Document = 0x30,
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MethodDebugInformation = 0x31,
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LocalScope = 0x32,
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LocalVariable = 0x33,
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LocalConstant = 0x34,
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ImportScope = 0x35,
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StateMachineMethod = 0x36,
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CustomDebugInformation = 0x37
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}
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class TableDumper
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{
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Universe universe;
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Assembly assembly;
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Module module;
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public TableDumper (string inputFile) {
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universe = new Universe (UniverseOptions.None);
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var raw = universe.OpenRawModule (System.IO.File.OpenRead (inputFile), System.IO.Path.GetTempPath () + "/Dummy");
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if (raw.IsManifestModule)
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{
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assembly = universe.LoadAssembly (raw);
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module = assembly.ManifestModule;
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}
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else
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{
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var ab = universe.DefineDynamicAssembly (new AssemblyName ("<ModuleContainer>"), IKVM.Reflection.Emit.AssemblyBuilderAccess.ReflectionOnly);
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assembly = ab;
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module = ab.__AddModule (raw);
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}
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}
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public void DumpTable (TextWriter w, MetadataTableIndex tableIndex) {
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switch (tableIndex) {
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case MetadataTableIndex.Assembly:
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DumpAssemblyTable (w);
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break;
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case MetadataTableIndex.AssemblyRef:
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DumpAssemblyRefTable (w);
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break;
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case MetadataTableIndex.Module:
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DumpModuleTable (w);
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break;
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case MetadataTableIndex.ModuleRef:
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DumpModuleRefTable (w);
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break;
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case MetadataTableIndex.ExportedType:
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DumpExportedTypeTable (w);
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break;
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case MetadataTableIndex.CustomAttribute:
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DumpCustomAttributeTable (w);
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break;
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case MetadataTableIndex.Document:
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DumpDocumentTable (w);
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break;
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case MetadataTableIndex.MethodDebugInformation:
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DumpMethodDebugInformationTable (w);
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break;
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case MetadataTableIndex.LocalScope:
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DumpLocalScopeTable (w);
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break;
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case MetadataTableIndex.ImportScope:
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DumpImportScopeTable (w);
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break;
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case MetadataTableIndex.CustomDebugInformation:
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DumpCustomDebugInfoTable (w);
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break;
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default:
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throw new NotImplementedException ();
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}
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}
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void HexDump (TextWriter w, byte[] bytes, int len) {
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for (int i = 0; i < len; ++i) {
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if ((i % 16) == 0)
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w.Write (String.Format ("\n0x{0:x08}: ", i));
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w.Write (String.Format ("{0:X02} ", bytes [i]));
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}
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}
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void DumpAssemblyTable (TextWriter w) {
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var t = module.AssemblyTable;
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w.WriteLine ("Assembly Table");
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foreach (var r in t.records) {
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w.WriteLine (String.Format ("Name: {0}", module.GetString (r.Name)));
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w.WriteLine (String.Format ("Hash Algoritm: 0x{0:x08}", r.HashAlgId));
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w.WriteLine (String.Format ("Version: {0}.{1}.{2}.{3}", r.MajorVersion, r.MinorVersion, r.BuildNumber, r.RevisionNumber));
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w.WriteLine (String.Format ("Flags: 0x{0:x08}", r.Flags));
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w.WriteLine (String.Format ("PublicKey: BlobPtr (0x{0:x08})", r.PublicKey));
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var blob = module.GetBlob (r.PublicKey);
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if (blob.Length == 0) {
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w.WriteLine ("\tZero sized public key");
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} else {
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w.Write ("\tDump:");
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byte[] bytes = blob.ReadBytes (blob.Length);
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HexDump (w, bytes, bytes.Length);
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w.WriteLine ();
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}
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w.WriteLine (String.Format ("Culture: {0}", module.GetString (r.Culture)));
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w.WriteLine ();
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}
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}
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void DumpAssemblyRefTable (TextWriter w) {
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var t = module.AssemblyRef;
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w.WriteLine ("AssemblyRef Table");
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int rowIndex = 1;
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foreach (var r in t.records) {
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w.WriteLine (String.Format ("{0}: Version={1}.{2}.{3}.{4}", rowIndex, r.MajorVersion, r.MinorVersion, r.BuildNumber, r.RevisionNumber));
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w.WriteLine (String.Format ("\tName={0}", module.GetString (r.Name)));
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w.WriteLine (String.Format ("\tFlags=0x{0:x08}", r.Flags));
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var blob = module.GetBlob (r.PublicKeyOrToken);
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if (blob.Length == 0) {
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w.WriteLine ("\tZero sized public key");
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} else {
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w.Write ("\tPublic Key:");
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byte[] bytes = blob.ReadBytes (blob.Length);
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HexDump (w, bytes, bytes.Length);
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w.WriteLine ();
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}
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w.WriteLine ();
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rowIndex ++;
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}
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}
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void DumpModuleTable (TextWriter w) {
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var t = module.ModuleTable;
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w.WriteLine ("Module Table (1.." + t.RowCount + ")");
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int rowIndex = 1;
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foreach (var r in t.records) {
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w.WriteLine (String.Format ("{0}: {1} {2} {{{3}}}", rowIndex, module.GetString (r.Name), r.Generation, module.GetGuid (r.Mvid).ToString ().ToUpper ()));
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rowIndex ++;
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}
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}
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void DumpModuleRefTable (TextWriter w) {
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var t = module.ModuleRef;
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w.WriteLine ("ModuleRef Table (1.." + t.RowCount + ")");
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int rowIndex = 1;
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foreach (var r in t.records) {
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w.WriteLine (String.Format ("{0}: {1}", rowIndex, module.GetString (r)));
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rowIndex ++;
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}
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}
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string GetManifestImpl (int idx) {
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if (idx == 0)
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return "current module";
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uint table = (uint)idx >> 24;
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uint row = (uint)idx & 0xffffff;
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switch (table) {
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case FileTable.Index:
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return "file " + row;
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case (uint)AssemblyRefTable.Index:
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return "assemblyref " + row;
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case (uint)ExportedTypeTable.Index:
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return "exportedtype " + row;
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default:
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return "";
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}
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}
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void DumpExportedTypeTable (TextWriter w) {
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var t = module.ExportedType;
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w.WriteLine ("ExportedType Table (1.." + t.RowCount + ")");
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int rowIndex = 1;
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foreach (var r in t.records) {
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string name = module.GetString (r.TypeName);
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string nspace = module.GetString (r.TypeNamespace);
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w.WriteLine (String.Format ("{0}: {1}{2}{3} is in {4}, index={5:x}, flags=0x{6:x}", rowIndex, nspace, nspace != "" ? "." : "", name, GetManifestImpl (r.Implementation), r.TypeDefId, r.Flags));
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rowIndex ++;
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}
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}
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string StringifyCattrValue (object val) {
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if (val.GetType () == typeof (string))
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return String.Format ("\"{0}\"", val);
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else if (val == null)
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return "null";
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else
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return val.ToString ();
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}
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void DumpCustomAttributeTable (TextWriter w) {
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var t = module.CustomAttribute;
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w.WriteLine ("CustomAttribute Table (1.." + t.RowCount + ")");
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int rowIndex = 1;
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foreach (var r in t.records) {
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}
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Dictionary<int, string> table_names = new Dictionary<int, string> () {
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{ MethodDefTable.Index, "MethodDef" },
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{ FieldTable.Index, "FieldDef" },
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{ TypeRefTable.Index, "TypeRef" },
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{ TypeDefTable.Index, "TypeDef" },
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{ ParamTable.Index, "Param" },
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{ InterfaceImplTable.Index, "InterfaceImpl" },
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{ MemberRefTable.Index, "MemberRef" },
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{ AssemblyTable.Index, "Assembly" },
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{ ModuleTable.Index, "Module" },
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{ PropertyTable.Index, "Property" },
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{ EventTable.Index, "Event" },
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{ StandAloneSigTable.Index, "StandAloneSignature" },
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{ ModuleRefTable.Index, "ModuleRef" },
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{ TypeSpecTable.Index, "TypeSpec" },
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{ AssemblyRefTable.Index, "AssemblyRef" },
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{ FileTable.Index, "File" },
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{ ExportedTypeTable.Index, "ExportedType" },
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{ ManifestResourceTable.Index, "Manifest" },
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{ GenericParamTable.Index, "GenericParam" }
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};
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foreach (var cattr in module.__EnumerateCustomAttributeTable ()) {
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//Console.WriteLine (cattr);
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int parent_token = cattr.__Parent;
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string parent;
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int table_idx = parent_token >> 24;
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int row = parent_token & 0xffffff;
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if (!table_names.TryGetValue (table_idx, out parent))
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parent = "Unknown";
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var args = new StringBuilder ();
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args.Append ("[");
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var sep = "";
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foreach (var arg in cattr.ConstructorArguments) {
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args.Append (sep).Append (StringifyCattrValue (arg.Value));
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sep = ", ";
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}
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foreach (var named_arg in cattr.NamedArguments) {
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args.Append (sep);
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args.Append ("{");
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args.Append (String.Format ("{0} = {1}", named_arg.MemberName, StringifyCattrValue (named_arg.TypedValue.Value)));
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args.Append ("}");
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sep = ", ";
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}
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args.Append ("]");
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var ctor = cattr.Constructor;
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var method = new StringBuilder ();
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method.Append ("instance void class ");
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method.Append (String.Format ("[{0}]{1}", ctor.DeclaringType.Assembly.GetName ().Name, ctor.DeclaringType.ToString ()));
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method.Append ("::'.ctor'(");
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sep = "";
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foreach (var arg in ctor.GetParameters ()) {
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method.Append (sep).Append (arg.ParameterType);
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sep = ", ";
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}
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method.Append (")");
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w.WriteLine (String.Format ("{0}: {1}: {2} {3} {4}", rowIndex, parent, row, method, args));
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rowIndex ++;
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}
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}
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public byte[] GetBlobCopy (int blobIndex) {
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var r = module.GetBlob (blobIndex);
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return r.ReadBytes (r.Length);
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}
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public string GetBlobString (int blobIndex) {
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var r = module.GetBlob (blobIndex);
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return new String (Encoding.UTF8.GetChars (r.ReadBytes (r.Length)));
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}
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static string HexStringFromBytes(byte[] bytes)
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{
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var sb = new StringBuilder();
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foreach (byte b in bytes)
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sb.Append (b.ToString ("x2"));
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return sb.ToString();
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}
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string DecodeDocumentName (DocumentTable.Record r) {
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var nameReader = module.GetBlob (r.Name);
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// FIXME: UTF8
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var sep = nameReader.ReadChar ();
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var name = "";
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while (nameReader.Length > 0) {
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var part = nameReader.ReadCompressedUInt ();
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if (part != 0) {
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var partReader = module.GetBlob (part);
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var partString = new String (Encoding.UTF8.GetChars (partReader.ReadBytes (partReader.Length)));
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if (name == "")
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name = sep + partString;
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else
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name = name + sep + partString;
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}
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}
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return name;
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}
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public void DumpDocumentTable (TextWriter w) {
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var t = module.Document;
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w.WriteLine ("Document table (1.." + t.RowCount + ")");
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int rowIndex = 1;
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foreach (var r in t.records) {
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string name;
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string hashAlg;
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string hash;
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string lang;
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Guid g;
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name = DecodeDocumentName (r);
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// FIXME: SHA256
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if (r.HashAlgorithm != 0) {
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g = module.GetGuid (r.HashAlgorithm);
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if (g == DocumentTable.SHA1Guid) {
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hashAlg = "sha1";
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hash = HexStringFromBytes (GetBlobCopy (r.Hash));
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} else {
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hashAlg = g.ToString ();
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hash = "<>";
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}
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} else {
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hashAlg = "";
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hash = "<>";
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}
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// FIXME: VB/F#
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if (r.Language != 0) {
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g = module.GetGuid (r.Language);
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if (g == DocumentTable.CSharpGuid) {
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lang = "C#";
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} else {
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lang = g.ToString ();
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}
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} else {
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lang = "";
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}
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w.WriteLine ("" + rowIndex + ": " + name + " lang=" + lang + " hash=[" + hashAlg + " " + hash + "]");
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rowIndex ++;
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}
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}
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public void DumpMethodDebugInformationTable (TextWriter w) {
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var t = module.MethodDebugInformation;
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w.WriteLine ("MethodDebugInformation table (1.." + t.RowCount + ")");
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int rowIndex = 1;
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foreach (var r in t.records) {
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w.WriteLine ("" + rowIndex + ":");
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if (r.SequencePoints == 0) {
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rowIndex ++;
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continue;
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}
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var docIndex = r.Document;
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var reader = module.GetBlob (r.SequencePoints);
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var localSig = reader.ReadCompressedUInt ();
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if (docIndex == 0)
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docIndex = reader.ReadCompressedUInt ();
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var docName = DecodeDocumentName (module.Document.records [docIndex - 1]);
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int ilOffset = 0;
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int startLine = 0;
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int startColumn = 0;
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bool first = true;
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bool firstNonHidden = false;
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while (reader.Length > 0) {
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var deltaIlOffset = reader.ReadCompressedUInt ();
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if (!first && deltaIlOffset == 0) {
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/* subsequent-document-record */
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docIndex = reader.ReadCompressedUInt ();
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docName = DecodeDocumentName (module.Document.records [docIndex - 1]);
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continue;
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}
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ilOffset += deltaIlOffset;
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first = false;
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var deltaLines = reader.ReadCompressedUInt ();
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int deltaColumns;
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if (deltaLines == 0)
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deltaColumns = reader.ReadCompressedUInt ();
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else
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deltaColumns = reader.ReadCompressedInt ();
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if (deltaLines == 0 && deltaColumns == 0) {
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/* Hidden sequence point */
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continue;
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}
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if (firstNonHidden) {
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startLine = reader.ReadCompressedUInt ();
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startColumn = reader.ReadCompressedUInt ();
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} else {
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int advLine = reader.ReadCompressedInt ();
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int advCol = reader.ReadCompressedInt ();
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startLine += advLine;
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startColumn += advCol;
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}
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firstNonHidden = false;
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w.WriteLine (docName + " il=" + ilOffset + " line=" + startLine + " col=" + startColumn + " endline=" + (startLine + deltaLines) + " endcol=" + (startColumn + deltaColumns));
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}
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rowIndex ++;
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}
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}
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public void DumpLocalScopeTable (TextWriter w) {
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var t = module.LocalScope;
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w.WriteLine ("LocalScope table (1.." + t.RowCount + ")");
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int rowIndex = 1;
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foreach (var r in t.records) {
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w.WriteLine ("" + rowIndex + ": method=" + r.Method + " import=" + r.ImportScope + " locals=" + r.VariableList);
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rowIndex ++;
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}
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}
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public void DumpImportScopeTable (TextWriter w) {
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var t = module.ImportScope;
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w.WriteLine ("ImportScope table (1.." + t.RowCount + ")");
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int rowIndex = 1;
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foreach (var r in t.records) {
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w.WriteLine ("" + rowIndex + ": parent=" + r.Parent + " imports=" + r.Imports);
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var reader = module.GetBlob (r.Imports);
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while (reader.Length > 0) {
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var kind = reader.ReadCompressedUInt ();
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// FIXME: Constants
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switch (kind) {
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case 1:
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var nsIndex = reader.ReadCompressedUInt ();
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w.WriteLine ("\t ns=" + GetBlobString (nsIndex));
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break;
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default:
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w.WriteLine ("K: " + kind);
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throw new NotImplementedException ();
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}
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}
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rowIndex ++;
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}
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}
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static Guid StateMachineHoistedLocalScopesGuid = new Guid ("6da9a61e-f8c7-4874-be62-68bc5630df71");
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static Guid SourceLinkGuid = new Guid ("cc110556-a091-4d38-9fec-25ab9a351a6a");
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public void DumpCustomDebugInfoTable (TextWriter w) {
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var t = module.CustomDebugInformation;
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w.WriteLine ("CustomDebugInformation table (1.." + t.RowCount + ")");
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int rowIndex = 1;
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foreach (var r in t.records) {
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var g = module.GetGuid (r.Kind);
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string kind = "";
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if (g == StateMachineHoistedLocalScopesGuid)
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kind = "<state-machine hoisted local scopes>";
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else if (g == SourceLinkGuid)
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kind = "<source link>";
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else
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kind = g.ToString ();
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int parent_kind = r.Parent & 0x1f;
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int parent_idx = r.Parent >> 5;
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w.WriteLine ("" + rowIndex + ": " + kind + " [" + parent_kind + "-" + parent_idx + "]");
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if (g == StateMachineHoistedLocalScopesGuid) {
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var blob = module.GetBlob (r.Value);
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while (blob.Length > 0) {
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int start_offset = blob.ReadInt32 ();
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int len = blob.ReadInt32 ();
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w.WriteLine (String.Format ("\t0x{0:x}-0x{1:x}", start_offset, start_offset + len));
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}
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} else if (g == SourceLinkGuid) {
|
|
var blob = module.GetBlob (r.Value);
|
|
var bytes = blob.ReadBytes (blob.Length);
|
|
Console.WriteLine ("======================================");
|
|
Console.Write (Encoding.UTF8.GetString (bytes));
|
|
Console.WriteLine ("======================================");
|
|
}
|
|
rowIndex ++;
|
|
}
|
|
}
|
|
}
|
|
}
|