mcs/tools/mdbdump/mdbdump.cs

   1 using System;
   2 using System.IO;
   3 using Mono.CompilerServices.SymbolWriter;
   4 using Mono.Cecil;
   5 using System.Text;
   6 using System.Xml;
   7 using System.Globalization;
   8
   9 public class MdbDump
  10 {
  11         public static int Main (String[] args)
  12         {
  13                 if (args.Length < 1) {
  14                         Console.Error.WriteLine ("Usage: mdbdump <assembly>");
  15                         return 1;
  16                 }
  17
  18                 var assembly = AssemblyDefinition.ReadAssembly (args[0]);
  19
  20                 var f = MonoSymbolFile.ReadSymbolFile (args[0] + ".mdb");
  21                 DumpSymbolFile (assembly, f, Console.Out);
  22
  23                 return 0;
  24         }
  25
  26         static string ChecksumToString (byte[] checksum)
  27         {
  28                 var sb = new StringBuilder (checksum.Length * 2);
  29                 for (int i = 0; i < checksum.Length; i++) {
  30                         sb.Append ("0123456789abcdef"[checksum[i] >> 4]);
  31                         sb.Append ("0123456789abcdef"[checksum[i] & 0x0F]);
  32                 }
  33
  34                 return sb.ToString ();
  35         }
  36
  37         static string IntToHex (int value)
  38         {
  39                 return "0x" + value.ToString ("x", CultureInfo.InvariantCulture);
  40         }
  41
  42         static void DumpSymbolFile (AssemblyDefinition assembly, MonoSymbolFile symbolFile, TextWriter output)
  43         {
  44                 using (XmlTextWriter writer = new XmlTextWriter (output)) {
  45                         writer.Formatting = Formatting.Indented;
  46
  47                         writer.WriteStartDocument ();
  48
  49                         writer.WriteStartElement ("symbols");
  50
  51                         writer.WriteStartElement ("files");
  52                         foreach (var file in symbolFile.Sources) {
  53                                 writer.WriteStartElement ("file");
  54                                 writer.WriteAttributeString ("id", file.Index.ToString ());
  55                                 writer.WriteAttributeString ("name", Path.GetFileName (file.FileName));
  56                                 var checksum = file.Checksum;
  57                                 if (checksum != null)
  58                                         writer.WriteAttributeString ("checksum", ChecksumToString (checksum));
  59
  60                                 writer.WriteEndElement ();
  61                         }
  62                         writer.WriteEndElement ();
  63
  64                         writer.WriteStartElement ("methods");
  65                         foreach (var method in symbolFile.Methods) {
  66                                 writer.WriteStartElement ("method");
  67                                 writer.WriteAttributeString ("token", IntToHex (method.Token));
  68                                 writer.WriteAttributeString ("signature", assembly.MainModule.LookupToken (method.Token).ToString ());
  69
  70                                 var il_entries = method.GetLineNumberTable ();
  71                                 writer.WriteStartElement ("sequencepoints");
  72                                 foreach (var entry in il_entries.LineNumbers) {
  73                                         writer.WriteStartElement ("entry");
  74                                         writer.WriteAttributeString ("il", IntToHex (entry.Offset));
  75                                         writer.WriteAttributeString ("row", entry.Row.ToString ());
  76                                         writer.WriteAttributeString ("col", entry.Column.ToString ());
  77                                         if (entry.EndRow != -1 || entry.EndColumn != -1) {
  78                                                 writer.WriteAttributeString ("end_row", entry.EndRow.ToString ());
  79                                                 writer.WriteAttributeString ("end_col", entry.EndColumn.ToString ());
  80                                         }
  81                                         writer.WriteAttributeString ("file_ref", entry.File.ToString ());
  82                                         writer.WriteEndElement ();
  83                                 }
  84                                 writer.WriteEndElement ();
  85
  86                                 writer.WriteStartElement ("locals");
  87                                 foreach (var local in method.GetLocals ()) {
  88                                         writer.WriteStartElement ("entry");
  89                                         writer.WriteAttributeString ("name", local.Name);
  90                                         writer.WriteAttributeString ("il_index", local.Index.ToString ());
  91                                         writer.WriteAttributeString ("scope_ref", local.BlockIndex.ToString ());
  92                                         writer.WriteEndElement ();
  93                                 }
  94                                 writer.WriteEndElement ();
  95
  96                                 writer.WriteStartElement ("scopes");
  97                                 foreach (var scope in method.GetCodeBlocks ()) {
  98                                         writer.WriteStartElement ("entry");
  99                                         writer.WriteAttributeString ("index", scope.Index.ToString ());
 100                                         writer.WriteAttributeString ("start", IntToHex (scope.StartOffset));
 101                                         writer.WriteAttributeString ("end", IntToHex (scope.EndOffset));
 102                                         writer.WriteEndElement ();
 103                                 }
 104                                 writer.WriteEndElement ();
 105
 106                                 writer.WriteEndElement ();
 107                         }
 108                         writer.WriteEndElement ();
 109
 110                         writer.WriteEndElement ();
 111                         writer.WriteEndDocument ();
 112                 }
 113         }
 114 }