mcs/tools/mono-symbolicate/symbolicate.cs

   1 using System;
   2 using System.IO;
   3 using System.Text;
   4 using System.Linq;
   5 using System.Collections.Generic;
   6 using System.Globalization;
   7
   8 namespace Mono
   9 {
  10         public class Symbolicate
  11         {
  12                 public static int Main (String[] args)
  13                 {
  14                         if (args.Length != 2 && (args[0] == "store-symbols" && args.Length < 3)) {
  15                                 Console.Error.WriteLine ("Usage: symbolicate <msym dir> <input file>");
  16                                 Console.Error.WriteLine ("       symbolicate store-symbols <msym dir> [<dir>]+");
  17                                 return 1;
  18                         }
  19
  20                         if (args[0] == "store-symbols") {
  21                                 var msymDir = args[1];
  22                                 var lookupDirs = args.Skip (1).ToArray ();
  23
  24                                 var symbolManager = new SymbolManager (msymDir);
  25
  26                                 symbolManager.StoreSymbols (lookupDirs);
  27
  28                         } else {
  29                                 var msymDir = args [0];
  30                                 var inputFile = args [1];
  31
  32                                 var symbolManager = new SymbolManager (msymDir);
  33
  34                                 using (StreamReader r = new StreamReader (inputFile)) {
  35                                         var sb = Process (r, symbolManager);
  36                                         Console.Write (sb.ToString ());
  37                                 }
  38                         }
  39
  40                         return 0;
  41                 }
  42
  43                 public static StringBuilder Process (StreamReader reader, SymbolManager symbolManager)
  44                 {
  45                         List<StackFrameData> stackFrames = new List<StackFrameData>();
  46                         List<StackTraceMetadata> metadata = new List<StackTraceMetadata>();
  47                         StringBuilder sb = new StringBuilder ();
  48                         bool linesEnded = false;
  49
  50                         for (var line = reader.ReadLine (); line != null; line = reader.ReadLine ()) {
  51                                 StackFrameData sfData;
  52                                 if (!linesEnded && StackFrameData.TryParse (line, out sfData)) {
  53                                         stackFrames.Add (sfData);
  54                                         continue;
  55                                 }
  56
  57                                 if (stackFrames.Count > 0) {
  58                                         linesEnded = true;
  59
  60                                         StackTraceMetadata stMetadata;
  61                                         if (StackTraceMetadata.TryParse (line, out stMetadata)) {
  62                                                 metadata.Add (stMetadata);
  63                                                 continue;
  64                                         }
  65
  66                                         DumpStackTrace (symbolManager, sb, stackFrames, metadata);
  67
  68                                         // Clear lists for next stack trace
  69                                         stackFrames.Clear ();
  70                                         metadata.Clear ();
  71                                 }
  72
  73                                 linesEnded = false;
  74
  75                                 // Append last line
  76                                 sb.AppendLine (line);
  77                         }
  78
  79                         if (stackFrames.Count > 0)
  80                                 DumpStackTrace (symbolManager, sb, stackFrames, metadata);
  81
  82                         return sb;
  83                 }
  84
  85                 private static void DumpStackTrace (SymbolManager symbolManager, StringBuilder sb, List<StackFrameData> stackFrames, List<StackTraceMetadata> metadata)
  86                 {
  87                         string aotid = null;
  88                         var aotidMetadata = metadata.FirstOrDefault ( m => m.Id == "AOTID" );
  89                         if (aotidMetadata != null)
  90                                 aotid = aotidMetadata.Value;
  91
  92                         var linesMvid = ProcessLinesMVID (metadata);
  93                         var lineNumber = 0;
  94                         foreach (var sfData in stackFrames) {
  95                                 string mvid = null;
  96                                 if (linesMvid.ContainsKey (lineNumber))
  97                                         mvid = linesMvid [lineNumber++];
  98
  99                                 symbolManager.TryResolveLocation (sfData, mvid, aotid);
 100
 101                                 sb.AppendLine (sfData.ToString ());
 102                         }
 103
 104                         foreach (var m in metadata)
 105                                 sb.AppendLine (m.Line);
 106                 }
 107
 108                 private static Dictionary<int, string> ProcessLinesMVID (List<StackTraceMetadata> metadata)
 109                 {
 110                         var linesMvid = new Dictionary<int, string> ();
 111                         var mvidData = metadata.Where ( m => m.Id == "MVID" ).Select ( m => m.Value );
 112                         foreach (var m in mvidData) {
 113                                 var s1 = m.Split (new char[] {' '}, 2);
 114                                 var mvid = s1 [0];
 115                                 var lines = s1 [1].Split (',');
 116                                 foreach (var line in lines)
 117                                         linesMvid.Add (int.Parse (line), mvid);
 118                         }
 119
 120                         return linesMvid;
 121                 }
 122         }
 123 }