internal MsfDirectory(PdbReader reader, PdbFileHeader head, BitAccess bits) { bits.MinCapacity(head.directorySize); int pages = reader.PagesFromSize(head.directorySize); // 0..n in page of directory pages. reader.Seek(head.directoryRoot, 0); bits.FillBuffer(reader.reader, pages * 4); DataStream stream = new DataStream(head.directorySize, bits, pages); bits.MinCapacity(head.directorySize); stream.Read(reader, bits); // 0..3 in directory pages int count; bits.ReadInt32(out count); // 4..n int[] sizes = new int[count]; bits.ReadInt32(sizes); // n..m streams = new DataStream[count]; for (int i = 0; i < count; i++) { if (sizes[i] <= 0) { streams[i] = new DataStream(); } else { streams[i] = new DataStream(sizes[i], bits, reader.PagesFromSize(sizes[i])); } } }
internal void WriteMeta(DataStream[] streams, BitAccess bits) { PdbFileHeader head = new PdbFileHeader(pageSize); WriteDirectory(streams, out head.directoryRoot, out head.directorySize, bits); WriteFreeMap(); head.freePageMap = 2; head.pagesUsed = usedBytes / pageSize; writer.Seek(0, SeekOrigin.Begin); head.Write(writer, bits); }
internal MsfDirectory(PdbReader reader, PdbFileHeader head, BitAccess bits) { int pages = reader.PagesFromSize(head.directorySize); // 0..n in page of directory pages. bits.MinCapacity(head.directorySize); int directoryRootPages = head.directoryRoot.Length; int pagesPerPage = head.pageSize / 4; int pagesToGo = pages; for (int i = 0; i < directoryRootPages; i++) { int pagesInThisPage = pagesToGo <= pagesPerPage ? pagesToGo : pagesPerPage; reader.Seek(head.directoryRoot[i], 0); bits.Append(reader.reader, pagesInThisPage * 4); pagesToGo -= pagesInThisPage; } bits.Position = 0; DataStream stream = new DataStream(head.directorySize, bits, pages); bits.MinCapacity(head.directorySize); stream.Read(reader, bits); // 0..3 in directory pages int count; bits.ReadInt32(out count); // 4..n int[] sizes = new int[count]; bits.ReadInt32(sizes); // n..m streams = new DataStream[count]; for (int i = 0; i < count; i++) { if (sizes[i] <= 0) { streams[i] = new DataStream(); } else { streams[i] = new DataStream(sizes[i], bits, reader.PagesFromSize(sizes[i])); } } }
private void WriteDirectory(DataStream[] streams, out int directoryRoot, out int directorySize, BitAccess bits) { DataStream directory = new DataStream(); int pages = 0; for (int s = 0; s < streams.Length; s++) { if (streams[s].Length > 0) { pages += streams[s].Pages; } } int use = 4 * (1 + streams.Length + pages); bits.MinCapacity(use); bits.WriteInt32(streams.Length); for (int s = 0; s < streams.Length; s++) { bits.WriteInt32(streams[s].Length); } for (int s = 0; s < streams.Length; s++) { if (streams[s].Length > 0) { bits.WriteInt32(streams[s].pages); } } directory.Write(this, bits.Buffer, use); directorySize = directory.Length; use = 4 * directory.Pages; bits.MinCapacity(use); bits.WriteInt32(directory.pages); DataStream ddir = new DataStream(); ddir.Write(this, bits.Buffer, use); directoryRoot = ddir.pages[0]; }
internal static PdbFunction[] LoadFunctions(Stream read, out Dictionary <uint, PdbTokenLine> tokenToSourceMapping, out string sourceServerData, out int age, out Guid guid) { tokenToSourceMapping = new Dictionary <uint, PdbTokenLine>(); BitAccess bits = new BitAccess(512 * 1024); PdbFileHeader head = new PdbFileHeader(read, bits); PdbReader reader = new PdbReader(read, head.pageSize); MsfDirectory dir = new MsfDirectory(reader, head, bits); DbiModuleInfo[] modules = null; DbiDbgHdr header; dir.streams[1].Read(reader, bits); Dictionary <string, int> nameIndex = LoadNameIndex(bits, out age, out guid); int nameStream; if (!nameIndex.TryGetValue("/NAMES", out nameStream)) { throw new PdbException("No `name' stream"); } dir.streams[nameStream].Read(reader, bits); IntHashTable names = LoadNameStream(bits); int srcsrvStream; if (!nameIndex.TryGetValue("SRCSRV", out srcsrvStream)) { sourceServerData = string.Empty; } else { DataStream dataStream = dir.streams[srcsrvStream]; byte[] bytes = new byte[dataStream.contentSize]; dataStream.Read(reader, bits); sourceServerData = bits.ReadBString(bytes.Length); } dir.streams[3].Read(reader, bits); LoadDbiStream(bits, out modules, out header, true); List <PdbFunction> funcList = new List <PdbFunction>(); if (modules != null) { for (int m = 0; m < modules.Length; m++) { var module = modules[m]; if (module.stream > 0) { dir.streams[module.stream].Read(reader, bits); if (module.moduleName == "TokenSourceLineInfo") { LoadTokenToSourceInfo(bits, module, names, dir, nameIndex, reader, tokenToSourceMapping); continue; } LoadFuncsFromDbiModule(bits, module, names, funcList, true, dir, nameIndex, reader); } } } PdbFunction[] funcs = funcList.ToArray(); // After reading the functions, apply the token remapping table if it exists. if (header.snTokenRidMap != 0 && header.snTokenRidMap != 0xffff) { dir.streams[header.snTokenRidMap].Read(reader, bits); uint[] ridMap = new uint[dir.streams[header.snTokenRidMap].Length / 4]; bits.ReadUInt32(ridMap); foreach (PdbFunction func in funcs) { func.token = 0x06000000 | ridMap[func.token & 0xffffff]; } } // Array.Sort(funcs, PdbFunction.byAddressAndToken); //Array.Sort(funcs, PdbFunction.byToken); return(funcs); }
internal static PdbInfo LoadFunctions(Stream read) { PdbInfo pdbInfo = new PdbInfo(); pdbInfo.TokenToSourceMapping = new Dictionary <uint, PdbTokenLine>(); BitAccess bits = new BitAccess(64 * 1024); PdbFileHeader head = new PdbFileHeader(read, bits); PdbReader reader = new PdbReader(read, head.pageSize); MsfDirectory dir = new MsfDirectory(reader, head, bits); DbiModuleInfo[] modules = null; DbiDbgHdr header; Dictionary <string, PdbSource> sourceCache = new Dictionary <string, PdbSource>(); dir.streams[1].Read(reader, bits); Dictionary <string, int> nameIndex = LoadNameIndex(bits, out pdbInfo.Age, out pdbInfo.Guid); int nameStream; if (!nameIndex.TryGetValue("/NAMES", out nameStream)) { throw new PdbException("Could not find the '/NAMES' stream: the PDB file may be a public symbol file instead of a private symbol file"); } dir.streams[nameStream].Read(reader, bits); IntHashTable names = LoadNameStream(bits); int srcsrvStream; if (!nameIndex.TryGetValue("SRCSRV", out srcsrvStream)) { pdbInfo.SourceServerData = string.Empty; } else { DataStream dataStream = dir.streams[srcsrvStream]; byte[] bytes = new byte[dataStream.contentSize]; dataStream.Read(reader, bits); pdbInfo.SourceServerData = bits.ReadBString(bytes.Length); } int sourceLinkStream; if (nameIndex.TryGetValue("SOURCELINK", out sourceLinkStream)) { DataStream dataStream = dir.streams[sourceLinkStream]; pdbInfo.SourceLinkData = new byte[dataStream.contentSize]; dataStream.Read(reader, bits); bits.ReadBytes(pdbInfo.SourceLinkData); } dir.streams[3].Read(reader, bits); LoadDbiStream(bits, out modules, out header, true); List <PdbFunction> funcList = new List <PdbFunction>(); if (modules != null) { for (int m = 0; m < modules.Length; m++) { var module = modules[m]; if (module.stream > 0) { dir.streams[module.stream].Read(reader, bits); if (module.moduleName == "TokenSourceLineInfo") { LoadTokenToSourceInfo(bits, module, names, dir, nameIndex, reader, pdbInfo.TokenToSourceMapping, sourceCache); continue; } LoadFuncsFromDbiModule(bits, module, names, funcList, true, dir, nameIndex, reader, sourceCache); } } } PdbFunction[] funcs = funcList.ToArray(); // After reading the functions, apply the token remapping table if it exists. if (header.snTokenRidMap != 0 && header.snTokenRidMap != 0xffff) { dir.streams[header.snTokenRidMap].Read(reader, bits); uint[] ridMap = new uint[dir.streams[header.snTokenRidMap].Length / 4]; bits.ReadUInt32(ridMap); foreach (PdbFunction func in funcs) { func.token = 0x06000000 | ridMap[func.token & 0xffffff]; } } // Array.Sort(funcs, PdbFunction.byAddressAndToken); //Array.Sort(funcs, PdbFunction.byToken); pdbInfo.Functions = funcs; return(pdbInfo); }
internal static uint[] LoadRemapTable(Stream read) { //tokenToSourceMapping = new Dictionary<uint, PdbTokenLine>(); BitAccess bits = new BitAccess(512 * 1024); PdbFileHeader head = new PdbFileHeader(read, bits); PdbReader reader = new PdbReader(read, head.pageSize); MsfDirectory dir = new MsfDirectory(reader, head, bits); DbiModuleInfo[] modules = null; DbiDbgHdr header; dir.streams[1].Read(reader, bits); Dictionary <string, int> nameIndex = LoadNameIndex(bits); int nameStream; if (!nameIndex.TryGetValue("/NAMES", out nameStream)) { throw new NoNameStreamPdbException(); } dir.streams[nameStream].Read(reader, bits); IntHashTable names = LoadNameStream(bits); int srcsrvStream; string sourceServerData; if (!nameIndex.TryGetValue("SRCSRV", out srcsrvStream)) { sourceServerData = string.Empty; } else { DataStream dataStream = dir.streams[srcsrvStream]; byte[] bytes = new byte[dataStream.contentSize]; dataStream.Read(reader, bits); sourceServerData = bits.ReadBString(bytes.Length); } dir.streams[3].Read(reader, bits); LoadDbiStream(bits, out modules, out header, true); #if SKIP_THIS ArrayList funcList = new ArrayList(); if (modules != null) { for (int m = 0; m < modules.Length; m++) { var module = modules[m]; if (module.stream > 0) { dir.streams[module.stream].Read(reader, bits); if (module.moduleName == "TokenSourceLineInfo") { LoadTokenToSourceInfo(bits, module, names, dir, nameIndex, reader, tokenToSourceMapping); continue; } LoadFuncsFromDbiModule(bits, module, names, funcList, true, dir, nameIndex, reader, ilreader); } } } PdbFunction[] funcs = (PdbFunction[])funcList.ToArray(typeof(PdbFunction)); #endif // After reading the functions, apply the token remapping table if it exists. if (header.snTokenRidMap != 0 && header.snTokenRidMap != 0xffff) { uint[] ridMap = new uint[dir.streams[header.snTokenRidMap].Length / 4]; dir.streams[header.snTokenRidMap].Read(reader, bits); bits.ReadUInt32(ridMap); return(ridMap); } return(null); }