/// <summary> /// </summary> /// <param name="bits"> /// </param> /// <returns> /// </returns> /// <exception cref="PdbDebugException"> /// </exception> private static IntHashTable LoadNameStream(BitAccess bits) { var ht = new IntHashTable(); uint sig; int ver; bits.ReadUInt32(out sig); // 0..3 Signature bits.ReadInt32(out ver); // 4..7 Version // Read (or skip) string buffer. int buf; bits.ReadInt32(out buf); // 8..11 Bytes of Strings if (sig != 0xeffeeffe || ver != 1) { throw new PdbDebugException("Unsupported Name Stream version. " + "(sig={0:x8}, ver={1})", sig, ver); } var beg = bits.Position; var nxt = bits.Position + buf; bits.Position = nxt; // Read hash table. int siz; bits.ReadInt32(out siz); // n+0..3 Number of hash buckets. nxt = bits.Position; for (var i = 0; i < siz; i++) { int ni; string name; bits.ReadInt32(out ni); if (ni != 0) { var saved = bits.Position; bits.Position = beg + ni; bits.ReadCString(out name); bits.Position = saved; ht.Add(ni, name); } } bits.Position = nxt; return(ht); }
/// <summary> /// </summary> /// <param name="contentSize"> /// </param> /// <param name="bits"> /// </param> /// <param name="count"> /// </param> internal DataStream(int contentSize, BitAccess bits, int count) { this.contentSize = contentSize; if (count > 0) { this.pages = new int[count]; bits.ReadInt32(this.pages); } }
/// <summary> /// </summary> /// <param name="reader"> /// </param> /// <param name="bits"> /// </param> internal PdbFileHeader(Stream reader, BitAccess bits) { bits.MinCapacity(56); reader.Seek(0, SeekOrigin.Begin); bits.FillBuffer(reader, 56); this.magic = new byte[32]; bits.ReadBytes(this.magic); // 0..31 bits.ReadInt32(out this.pageSize); // 32..35 bits.ReadInt32(out this.freePageMap); // 36..39 bits.ReadInt32(out this.pagesUsed); // 40..43 bits.ReadInt32(out this.directorySize); // 44..47 bits.ReadInt32(out this.zero); // 48..51 bits.ReadInt32(out this.directoryRoot); // 52..55 }
/// <summary> /// </summary> /// <param name="bits"> /// </param> /// <param name="info"> /// </param> /// <param name="names"> /// </param> /// <param name="funcList"> /// </param> /// <param name="readStrings"> /// </param> /// <param name="dir"> /// </param> /// <param name="nameIndex"> /// </param> /// <param name="reader"> /// </param> /// <exception cref="PdbDebugException"> /// </exception> private static void LoadFuncsFromDbiModule( BitAccess bits, DbiModuleInfo info, IntHashTable names, ArrayList funcList, bool readStrings, MsfDirectory dir, Dictionary <string, int> nameIndex, PdbReader reader) { PdbFunction[] funcs = null; bits.Position = 0; int sig; bits.ReadInt32(out sig); if (sig != 4) { throw new PdbDebugException("Invalid signature. (sig={0})", sig); } bits.Position = 4; // Console.WriteLine("{0}:", info.moduleName); funcs = PdbFunction.LoadManagedFunctions(info.moduleName, bits, (uint)info.cbSyms, readStrings); if (funcs != null) { bits.Position = info.cbSyms + info.cbOldLines; LoadManagedLines(funcs, names, bits, dir, nameIndex, reader, (uint)(info.cbSyms + info.cbOldLines + info.cbLines)); for (var i = 0; i < funcs.Length; i++) { funcList.Add(funcs[i]); } } }
/// <summary> /// </summary> /// <param name="bits"> /// </param> /// <returns> /// </returns> /// <exception cref="PdbDebugException"> /// </exception> private static Dictionary <string, int> LoadNameIndex(BitAccess bits) { var result = new Dictionary <string, int>(); int ver; int sig; int age; Guid guid; bits.ReadInt32(out ver); // 0..3 Version bits.ReadInt32(out sig); // 4..7 Signature bits.ReadInt32(out age); // 8..11 Age bits.ReadGuid(out guid); // 12..27 GUID if (ver != 20000404) { throw new PdbDebugException("Unsupported PDB Stream version {0}", ver); } // Read string buffer. int buf; bits.ReadInt32(out buf); // 28..31 Bytes of Strings var beg = bits.Position; var nxt = bits.Position + buf; bits.Position = nxt; // Read map index. int cnt; // n+0..3 hash size. int max; // n+4..7 maximum ni. bits.ReadInt32(out cnt); bits.ReadInt32(out max); var present = new BitSet(bits); var deleted = new BitSet(bits); if (!deleted.IsEmpty) { throw new PdbDebugException("Unsupported PDB deleted bitset is not empty."); } var j = 0; for (var i = 0; i < max; i++) { if (present.IsSet(i)) { int ns; int ni; bits.ReadInt32(out ns); bits.ReadInt32(out ni); string name; var saved = bits.Position; bits.Position = beg + ns; bits.ReadCString(out name); bits.Position = saved; result.Add(name, ni); j++; } } if (j != cnt) { throw new PdbDebugException("Count mismatch. ({0} != {1})", j, cnt); } return(result); }
/// <summary> /// </summary> /// <param name="funcs"> /// </param> /// <param name="names"> /// </param> /// <param name="bits"> /// </param> /// <param name="dir"> /// </param> /// <param name="nameIndex"> /// </param> /// <param name="reader"> /// </param> /// <param name="limit"> /// </param> private static void LoadManagedLines( PdbFunction[] funcs, IntHashTable names, BitAccess bits, MsfDirectory dir, Dictionary <string, int> nameIndex, PdbReader reader, uint limit) { Array.Sort(funcs, PdbFunction.byAddress); var checks = new IntHashTable(); // Read the files first var begin = bits.Position; while (bits.Position < limit) { int sig; int siz; bits.ReadInt32(out sig); bits.ReadInt32(out siz); var place = bits.Position; var endSym = bits.Position + siz; switch ((DEBUG_S_SUBSECTION)sig) { case DEBUG_S_SUBSECTION.FILECHKSMS: while (bits.Position < endSym) { CV_FileCheckSum chk; var ni = bits.Position - place; bits.ReadUInt32(out chk.name); bits.ReadUInt8(out chk.len); bits.ReadUInt8(out chk.type); var name = (string)names[(int)chk.name]; int guidStream; var doctypeGuid = SymDocumentType.Text; var languageGuid = SymLanguageType.CSharp; var vendorGuid = SymLanguageVendor.Microsoft; if (nameIndex.TryGetValue("/src/files/" + name, out guidStream)) { var guidBits = new BitAccess(0x100); dir.streams[guidStream].Read(reader, guidBits); LoadGuidStream(guidBits, out doctypeGuid, out languageGuid, out vendorGuid); } var src = new PdbSource((uint)ni, name, doctypeGuid, languageGuid, vendorGuid); checks.Add(ni, src); bits.Position += chk.len; bits.Align(4); } bits.Position = endSym; break; default: bits.Position = endSym; break; } } // Read the lines next. bits.Position = begin; while (bits.Position < limit) { int sig; int siz; bits.ReadInt32(out sig); bits.ReadInt32(out siz); var endSym = bits.Position + siz; switch ((DEBUG_S_SUBSECTION)sig) { case DEBUG_S_SUBSECTION.LINES: { CV_LineSection sec; bits.ReadUInt32(out sec.off); bits.ReadUInt16(out sec.sec); bits.ReadUInt16(out sec.flags); bits.ReadUInt32(out sec.cod); var func = FindFunction(funcs, sec.sec, sec.off); if (func == null) { break; } // Count the line blocks. var begSym = bits.Position; var blocks = 0; while (bits.Position < endSym) { CV_SourceFile file; bits.ReadUInt32(out file.index); bits.ReadUInt32(out file.count); bits.ReadUInt32(out file.linsiz); // Size of payload. var linsiz = (int)file.count * (8 + ((sec.flags & 1) != 0 ? 4 : 0)); bits.Position += linsiz; blocks++; } func.lines = new PdbLines[blocks]; var block = 0; bits.Position = begSym; while (bits.Position < endSym) { CV_SourceFile file; bits.ReadUInt32(out file.index); bits.ReadUInt32(out file.count); bits.ReadUInt32(out file.linsiz); // Size of payload. var src = (PdbSource)checks[(int)file.index]; var tmp = new PdbLines(src, file.count); func.lines[block++] = tmp; var lines = tmp.lines; var plin = bits.Position; var pcol = bits.Position + 8 * (int)file.count; for (var i = 0; i < file.count; i++) { CV_Line line; var column = new CV_Column(); bits.Position = plin + 8 * i; bits.ReadUInt32(out line.offset); bits.ReadUInt32(out line.flags); var lineBegin = line.flags & (uint)CV_Line_Flags.linenumStart; var delta = (line.flags & (uint)CV_Line_Flags.deltaLineEnd) >> 24; var statement = (line.flags & (uint)CV_Line_Flags.fStatement) == 0; if ((sec.flags & 1) != 0) { bits.Position = pcol + 4 * i; bits.ReadUInt16(out column.offColumnStart); bits.ReadUInt16(out column.offColumnEnd); } lines[i] = new PdbLine(line.offset, lineBegin, column.offColumnStart, lineBegin + delta, column.offColumnEnd); } } break; } } bits.Position = endSym; } }
/// <summary> /// </summary> /// <param name="bits"> /// </param> /// <returns> /// </returns> /// <exception cref="PdbDebugException"> /// </exception> private static IntHashTable LoadNameStream(BitAccess bits) { var ht = new IntHashTable(); uint sig; int ver; bits.ReadUInt32(out sig); // 0..3 Signature bits.ReadInt32(out ver); // 4..7 Version // Read (or skip) string buffer. int buf; bits.ReadInt32(out buf); // 8..11 Bytes of Strings if (sig != 0xeffeeffe || ver != 1) { throw new PdbDebugException("Unsupported Name Stream version. " + "(sig={0:x8}, ver={1})", sig, ver); } var beg = bits.Position; var nxt = bits.Position + buf; bits.Position = nxt; // Read hash table. int siz; bits.ReadInt32(out siz); // n+0..3 Number of hash buckets. nxt = bits.Position; for (var i = 0; i < siz; i++) { int ni; string name; bits.ReadInt32(out ni); if (ni != 0) { var saved = bits.Position; bits.Position = beg + ni; bits.ReadCString(out name); bits.Position = saved; ht.Add(ni, name); } } bits.Position = nxt; return ht; }
/// <summary> /// </summary> /// <param name="bits"> /// </param> /// <returns> /// </returns> /// <exception cref="PdbDebugException"> /// </exception> private static Dictionary<string, int> LoadNameIndex(BitAccess bits) { var result = new Dictionary<string, int>(); int ver; int sig; int age; Guid guid; bits.ReadInt32(out ver); // 0..3 Version bits.ReadInt32(out sig); // 4..7 Signature bits.ReadInt32(out age); // 8..11 Age bits.ReadGuid(out guid); // 12..27 GUID if (ver != 20000404) { throw new PdbDebugException("Unsupported PDB Stream version {0}", ver); } // Read string buffer. int buf; bits.ReadInt32(out buf); // 28..31 Bytes of Strings var beg = bits.Position; var nxt = bits.Position + buf; bits.Position = nxt; // Read map index. int cnt; // n+0..3 hash size. int max; // n+4..7 maximum ni. bits.ReadInt32(out cnt); bits.ReadInt32(out max); var present = new BitSet(bits); var deleted = new BitSet(bits); if (!deleted.IsEmpty) { throw new PdbDebugException("Unsupported PDB deleted bitset is not empty."); } var j = 0; for (var i = 0; i < max; i++) { if (present.IsSet(i)) { int ns; int ni; bits.ReadInt32(out ns); bits.ReadInt32(out ni); string name; var saved = bits.Position; bits.Position = beg + ns; bits.ReadCString(out name); bits.Position = saved; result.Add(name, ni); j++; } } if (j != cnt) { throw new PdbDebugException("Count mismatch. ({0} != {1})", j, cnt); } return result; }
/// <summary> /// </summary> /// <param name="funcs"> /// </param> /// <param name="names"> /// </param> /// <param name="bits"> /// </param> /// <param name="dir"> /// </param> /// <param name="nameIndex"> /// </param> /// <param name="reader"> /// </param> /// <param name="limit"> /// </param> private static void LoadManagedLines( PdbFunction[] funcs, IntHashTable names, BitAccess bits, MsfDirectory dir, Dictionary<string, int> nameIndex, PdbReader reader, uint limit) { Array.Sort(funcs, PdbFunction.byAddress); var checks = new IntHashTable(); // Read the files first var begin = bits.Position; while (bits.Position < limit) { int sig; int siz; bits.ReadInt32(out sig); bits.ReadInt32(out siz); var place = bits.Position; var endSym = bits.Position + siz; switch ((DEBUG_S_SUBSECTION)sig) { case DEBUG_S_SUBSECTION.FILECHKSMS: while (bits.Position < endSym) { CV_FileCheckSum chk; var ni = bits.Position - place; bits.ReadUInt32(out chk.name); bits.ReadUInt8(out chk.len); bits.ReadUInt8(out chk.type); var name = (string)names[(int)chk.name]; int guidStream; var doctypeGuid = SymDocumentType.Text; var languageGuid = SymLanguageType.CSharp; var vendorGuid = SymLanguageVendor.Microsoft; if (nameIndex.TryGetValue("/src/files/" + name, out guidStream)) { var guidBits = new BitAccess(0x100); dir.streams[guidStream].Read(reader, guidBits); LoadGuidStream(guidBits, out doctypeGuid, out languageGuid, out vendorGuid); } var src = new PdbSource((uint)ni, name, doctypeGuid, languageGuid, vendorGuid); checks.Add(ni, src); bits.Position += chk.len; bits.Align(4); } bits.Position = endSym; break; default: bits.Position = endSym; break; } } // Read the lines next. bits.Position = begin; while (bits.Position < limit) { int sig; int siz; bits.ReadInt32(out sig); bits.ReadInt32(out siz); var endSym = bits.Position + siz; switch ((DEBUG_S_SUBSECTION)sig) { case DEBUG_S_SUBSECTION.LINES: { CV_LineSection sec; bits.ReadUInt32(out sec.off); bits.ReadUInt16(out sec.sec); bits.ReadUInt16(out sec.flags); bits.ReadUInt32(out sec.cod); var func = FindFunction(funcs, sec.sec, sec.off); if (func == null) { break; } // Count the line blocks. var begSym = bits.Position; var blocks = 0; while (bits.Position < endSym) { CV_SourceFile file; bits.ReadUInt32(out file.index); bits.ReadUInt32(out file.count); bits.ReadUInt32(out file.linsiz); // Size of payload. var linsiz = (int)file.count * (8 + ((sec.flags & 1) != 0 ? 4 : 0)); bits.Position += linsiz; blocks++; } func.lines = new PdbLines[blocks]; var block = 0; bits.Position = begSym; while (bits.Position < endSym) { CV_SourceFile file; bits.ReadUInt32(out file.index); bits.ReadUInt32(out file.count); bits.ReadUInt32(out file.linsiz); // Size of payload. var src = (PdbSource)checks[(int)file.index]; var tmp = new PdbLines(src, file.count); func.lines[block++] = tmp; var lines = tmp.lines; var plin = bits.Position; var pcol = bits.Position + 8 * (int)file.count; for (var i = 0; i < file.count; i++) { CV_Line line; var column = new CV_Column(); bits.Position = plin + 8 * i; bits.ReadUInt32(out line.offset); bits.ReadUInt32(out line.flags); var lineBegin = line.flags & (uint)CV_Line_Flags.linenumStart; var delta = (line.flags & (uint)CV_Line_Flags.deltaLineEnd) >> 24; var statement = (line.flags & (uint)CV_Line_Flags.fStatement) == 0; if ((sec.flags & 1) != 0) { bits.Position = pcol + 4 * i; bits.ReadUInt16(out column.offColumnStart); bits.ReadUInt16(out column.offColumnEnd); } lines[i] = new PdbLine(line.offset, lineBegin, column.offColumnStart, lineBegin + delta, column.offColumnEnd); } } break; } } bits.Position = endSym; } }
/// <summary> /// </summary> /// <param name="bits"> /// </param> /// <param name="info"> /// </param> /// <param name="names"> /// </param> /// <param name="funcList"> /// </param> /// <param name="readStrings"> /// </param> /// <param name="dir"> /// </param> /// <param name="nameIndex"> /// </param> /// <param name="reader"> /// </param> /// <exception cref="PdbDebugException"> /// </exception> private static void LoadFuncsFromDbiModule( BitAccess bits, DbiModuleInfo info, IntHashTable names, ArrayList funcList, bool readStrings, MsfDirectory dir, Dictionary<string, int> nameIndex, PdbReader reader) { PdbFunction[] funcs = null; bits.Position = 0; int sig; bits.ReadInt32(out sig); if (sig != 4) { throw new PdbDebugException("Invalid signature. (sig={0})", sig); } bits.Position = 4; // Console.WriteLine("{0}:", info.moduleName); funcs = PdbFunction.LoadManagedFunctions(info.moduleName, bits, (uint)info.cbSyms, readStrings); if (funcs != null) { bits.Position = info.cbSyms + info.cbOldLines; LoadManagedLines(funcs, names, bits, dir, nameIndex, reader, (uint)(info.cbSyms + info.cbOldLines + info.cbLines)); for (var i = 0; i < funcs.Length; i++) { funcList.Add(funcs[i]); } } }