Exemplo n.º 1
0
 internal DbiModuleInfo(BitAccess bits, bool readStrings)
 {
     bits.ReadInt32(out opened);
     new DbiSecCon(bits);
     bits.ReadUInt16(out flags);
     bits.ReadInt16(out stream);
     bits.ReadInt32(out cbSyms);
     bits.ReadInt32(out cbOldLines);
     bits.ReadInt32(out cbLines);
     bits.ReadInt16(out files);
     bits.ReadInt16(out pad1);
     bits.ReadUInt32(out offsets);
     bits.ReadInt32(out niSource);
     bits.ReadInt32(out niCompiler);
     if (readStrings)
     {
         bits.ReadCString(out moduleName);
         bits.ReadCString(out objectName);
     }
     else
     {
         bits.SkipCString(out moduleName);
         bits.SkipCString(out objectName);
     }
     bits.Align(4);
     //if (opened != 0 || pad1 != 0) {
     //  throw new PdbException("Invalid DBI module. "+
     //                                 "(opened={0}, pad={1})", opened, pad1);
     //}
 }
Exemplo n.º 2
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 internal DataStream(int contentSize, BitAccess bits, int count)
 {
     this._contentSize = contentSize;
     if (count > 0)
     {
         this._pages = new int[count];
         bits.ReadInt32(this._pages);
     }
 }
Exemplo n.º 3
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 internal DbiDbgHdr(BitAccess bits)
 {
     bits.ReadUInt16(out snFPO);
     bits.ReadUInt16(out snException);
     bits.ReadUInt16(out snFixup);
     bits.ReadUInt16(out snOmapToSrc);
     bits.ReadUInt16(out snOmapFromSrc);
     bits.ReadUInt16(out snSectionHdr);
     bits.ReadUInt16(out snTokenRidMap);
     bits.ReadUInt16(out snXdata);
     bits.ReadUInt16(out snPdata);
     bits.ReadUInt16(out snNewFPO);
     bits.ReadUInt16(out snSectionHdrOrig);
 }
Exemplo n.º 4
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        private static void LoadGuidStream(BitAccess bits, out Guid doctype, out Guid language, out Guid vendor, out Guid algorithmId, out byte[] checksum, out byte[] embeddedSource)
        {
            bits.ReadGuid(out language);
            bits.ReadGuid(out vendor);
            bits.ReadGuid(out doctype);
            bits.ReadGuid(out algorithmId);

            int checksumSize;
            bits.ReadInt32(out checksumSize);
            int sourceSize;
            bits.ReadInt32(out sourceSize);
            checksum = new byte[checksumSize];
            bits.ReadBytes(checksum);
            embeddedSource = new byte[sourceSize];
            bits.ReadBytes(embeddedSource);
        }
Exemplo n.º 5
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 internal DbiSecCon(BitAccess bits)
 {
     bits.ReadInt16(out section);
     bits.ReadInt16(out pad1);
     bits.ReadInt32(out offset);
     bits.ReadInt32(out size);
     bits.ReadUInt32(out flags);
     bits.ReadInt16(out module);
     bits.ReadInt16(out pad2);
     bits.ReadUInt32(out dataCrc);
     bits.ReadUInt32(out relocCrc);
     //if (pad1 != 0 || pad2 != 0) {
     //  throw new PdbException("Invalid DBI section. "+
     //                                 "(pad1={0}, pad2={1})",
     //                         pad1, pad2);
     //}
 }
Exemplo n.º 6
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        internal MsfDirectory(PdbStreamHelper 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]));
                }
            }
        }
Exemplo n.º 7
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        /// <summary>
        /// Gets the properties of a given pdb.  Throws IOException on error.
        /// </summary>
        /// <param name="pdbFile">The pdb file to load.</param>
        /// <param name="signature">The signature of pdbFile.</param>
        /// <param name="age">The age of pdbFile.</param>
        public static void GetPdbProperties(string pdbFile, out Guid signature, out int age)
        {
            BitAccess bits = new BitAccess(512 * 1024);
            using (FileStream pdbStream = File.OpenRead(pdbFile))
            {
                PdbFileHeader header = new PdbFileHeader(pdbStream, bits);
                PdbStreamHelper reader = new PdbStreamHelper(pdbStream, header.PageSize);
                MsfDirectory dir = new MsfDirectory(reader, header, bits);

                dir._streams[1].Read(reader, bits);

                int ver, sig;
                bits.ReadInt32(out ver);    //  0..3  Version
                bits.ReadInt32(out sig);    //  4..7  Signature
                bits.ReadInt32(out age);    //  8..11 Age
                bits.ReadGuid(out signature);       // 12..27 GUID
            }
        }
Exemplo n.º 8
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        //internal PdbFileHeader(int pageSize) {
        //  this.magic = new byte[32] {
        //            0x4D, 0x69, 0x63, 0x72, 0x6F, 0x73, 0x6F, 0x66, // "Microsof"
        //            0x74, 0x20, 0x43, 0x2F, 0x43, 0x2B, 0x2B, 0x20, // "t C/C++ "
        //            0x4D, 0x53, 0x46, 0x20, 0x37, 0x2E, 0x30, 0x30, // "MSF 7.00"
        //            0x0D, 0x0A, 0x1A, 0x44, 0x53, 0x00, 0x00, 0x00  // "^^^DS^^^"
        //        };
        //  this.pageSize = pageSize;
        //}

        internal PdbFileHeader(Stream reader, BitAccess bits)
        {
            bits.MinCapacity(56);
            reader.Seek(0, SeekOrigin.Begin);
            bits.FillBuffer(reader, 52);

            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

            int directoryPages = ((((DirectorySize + PageSize - 1) / PageSize) * 4) + PageSize - 1) / PageSize;
            this.DirectoryRoot = new int[directoryPages];
            bits.FillBuffer(reader, directoryPages * 4);
            bits.ReadInt32(this.DirectoryRoot);
        }
Exemplo n.º 9
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        //internal uint segment;
        //internal uint address;

        internal PdbSlot(BitAccess bits, out uint typind)
        {
            AttrSlotSym slot;

            bits.ReadUInt32(out slot.index);
            bits.ReadUInt32(out slot.typind);
            bits.ReadUInt32(out slot.offCod);
            bits.ReadUInt16(out slot.segCod);
            bits.ReadUInt16(out slot.flags);
            bits.ReadCString(out slot.name);

            Slot = slot.index;
            Name = slot.name;
            Flags = slot.flags;
            //Console.WriteLinesegment = slot.segCod;
            //Console.WriteLineaddress = slot.offCod;

            typind = slot.typind;
        }
Exemplo n.º 10
0
 internal DbiHeader(BitAccess bits)
 {
     bits.ReadInt32(out sig);
     bits.ReadInt32(out ver);
     bits.ReadInt32(out age);
     bits.ReadInt16(out gssymStream);
     bits.ReadUInt16(out vers);
     bits.ReadInt16(out pssymStream);
     bits.ReadUInt16(out pdbver);
     bits.ReadInt16(out symrecStream);
     bits.ReadUInt16(out pdbver2);
     bits.ReadInt32(out gpmodiSize);
     bits.ReadInt32(out secconSize);
     bits.ReadInt32(out secmapSize);
     bits.ReadInt32(out filinfSize);
     bits.ReadInt32(out tsmapSize);
     bits.ReadInt32(out mfcIndex);
     bits.ReadInt32(out dbghdrSize);
     bits.ReadInt32(out ecinfoSize);
     bits.ReadUInt16(out flags);
     bits.ReadUInt16(out machine);
     bits.ReadInt32(out reserved);
 }
Exemplo n.º 11
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 private void ReadIteratorLocals(BitAccess bits)
 {
     uint numberOfLocals;
     bits.ReadUInt32(out numberOfLocals);
 }
Exemplo n.º 12
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        internal static PdbFunction[] LoadManagedFunctions(/*string module,*/
            BitAccess bits, uint limit,
            bool readStrings)
        {
            //string mod = StripNamespace(module);
            int begin = bits.Position;
            int count = 0;

            while (bits.Position < limit)
            {
                ushort siz;
                ushort rec;

                bits.ReadUInt16(out siz);
                int star = bits.Position;
                int stop = bits.Position + siz;
                bits.Position = star;
                bits.ReadUInt16(out rec);

                switch ((SYM)rec)
                {
                case SYM.S_GMANPROC:
                case SYM.S_LMANPROC:
                    ManProcSym proc;
                    bits.ReadUInt32(out proc.parent);
                    bits.ReadUInt32(out proc.end);
                    bits.Position = (int)proc.end;
                    count++;
                    break;

                case SYM.S_END:
                    bits.Position = stop;
                    break;

                default:
                    //Console.WriteLine("{0,6}: {1:x2} {2}",
                    //                  bits.Position, rec, (SYM)rec);
                    bits.Position = stop;
                    break;
                }
            }
            if (count == 0)
            {
                return(null);
            }

            bits.Position = begin;
            PdbFunction[] funcs = new PdbFunction[count];
            int           func  = 0;

            while (bits.Position < limit)
            {
                ushort siz;
                ushort rec;

                bits.ReadUInt16(out siz);
                int star = bits.Position;
                int stop = bits.Position + siz;
                bits.ReadUInt16(out rec);

                switch ((SYM)rec)
                {
                case SYM.S_GMANPROC:
                case SYM.S_LMANPROC:
                    ManProcSym proc;
                    //int offset = bits.Position;

                    bits.ReadUInt32(out proc.parent);
                    bits.ReadUInt32(out proc.end);
                    bits.ReadUInt32(out proc.next);
                    bits.ReadUInt32(out proc.len);
                    bits.ReadUInt32(out proc.dbgStart);
                    bits.ReadUInt32(out proc.dbgEnd);
                    bits.ReadUInt32(out proc.token);
                    bits.ReadUInt32(out proc.off);
                    bits.ReadUInt16(out proc.seg);
                    bits.ReadUInt8(out proc.flags);
                    bits.ReadUInt16(out proc.retReg);
                    if (readStrings)
                    {
                        bits.ReadCString(out proc.name);
                    }
                    else
                    {
                        bits.SkipCString(out proc.name);
                    }
                    //Console.WriteLine("token={0:X8} [{1}::{2}]", proc.token, module, proc.name);

                    bits.Position = stop;
                    funcs[func++] = new PdbFunction(/*module,*/ proc, bits);
                    break;

                default:
                {
                    //throw new PdbDebugException("Unknown SYMREC {0}", (SYM)rec);
                    bits.Position = stop;
                    break;
                }
                }
            }
            return(funcs);
        }
Exemplo n.º 13
0
        internal static PdbFunction[] LoadFunctions(Stream read,
                                                    BitAccess bits,
                                                    bool readAllStrings,
                                                    out int ver,
                                                    out int sig,
                                                    out int age,
                                                    out Guid guid,
                                                    out IEnumerable<PdbSource> sources)
        {
            sources = null;
            PdbFileHeader head = new PdbFileHeader(read, bits);
            PdbStreamHelper reader = new PdbStreamHelper(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 ver, out sig, out age, out guid);
            int nameStream;
            if (!nameIndex.TryGetValue("/NAMES", out nameStream))
            {
                throw new PdbException("No `name' stream");
            }

            dir._streams[nameStream].Read(reader, bits);
            Dictionary<int, string> names = LoadNameStream(bits);

            dir._streams[3].Read(reader, bits);
            LoadDbiStream(bits, out modules, out header, readAllStrings);

            List<PdbFunction> funcList = new List<PdbFunction>();
            Dictionary<string, PdbSource> sourceDictionary = new Dictionary<string, PdbSource>();
            if (modules != null)
            {
                for (int m = 0; m < modules.Length; m++)
                {
                    if (modules[m].stream > 0)
                    {
                        dir._streams[modules[m].stream].Read(reader, bits);
                        LoadFuncsFromDbiModule(bits, modules[m], names, funcList,
                                               readAllStrings, dir, nameIndex, reader, sourceDictionary);
                    }
                }
            }

            PdbFunction[] funcs = funcList.ToArray();
            sources = sourceDictionary.Values;

            // 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;
        }
Exemplo n.º 14
0
 private void ReadUsingInfo(BitAccess bits)
 {
     ushort numberOfNamespaces;
     bits.ReadUInt16(out numberOfNamespaces);
     this.UsingCounts = new ushort[numberOfNamespaces];
     for (ushort i = 0; i < numberOfNamespaces; i++)
     {
         bits.ReadUInt16(out this.UsingCounts[i]);
     }
 }
Exemplo n.º 15
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        private static void LoadFuncsFromDbiModule(BitAccess bits,
                                           DbiModuleInfo info,
                                           Dictionary<int, string> names,
                                           List<PdbFunction> funcList,
                                           bool readStrings,
                                           MsfDirectory dir,
                                           Dictionary<string, int> nameIndex,
                                           PdbStreamHelper reader,
                                           Dictionary<string, PdbSource> sources)
        {
            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), sources);

                for (int i = 0; i < funcs.Length; i++)
                {
                    funcList.Add(funcs[i]);
                }
            }
        }
Exemplo n.º 16
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        private static void LoadDbiStream(BitAccess bits,
                                  out DbiModuleInfo[] modules,
                                  out DbiDbgHdr header,
                                  bool readStrings)
        {
            DbiHeader dh = new DbiHeader(bits);
            header = new DbiDbgHdr();

            //if (dh.sig != -1 || dh.ver != 19990903) {
            //  throw new PdbException("Unsupported DBI Stream version, sig={0}, ver={1}",
            //                         dh.sig, dh.ver);
            //}

            // Read gpmod section.
            List<DbiModuleInfo> modList = new List<DbiModuleInfo>();
            int end = bits.Position + dh.gpmodiSize;
            while (bits.Position < end)
            {
                DbiModuleInfo mod = new DbiModuleInfo(bits, readStrings);
                modList.Add(mod);
            }
            if (bits.Position != end)
            {
                throw new PdbDebugException("Error reading DBI stream, pos={0} != {1}",
                                            bits.Position, end);
            }

            if (modList.Count > 0)
            {
                modules = modList.ToArray();
            }
            else
            {
                modules = null;
            }

            // Skip the Section Contribution substream.
            bits.Position += dh.secconSize;

            // Skip the Section Map substream.
            bits.Position += dh.secmapSize;

            // Skip the File Info substream.
            bits.Position += dh.filinfSize;

            // Skip the TSM substream.
            bits.Position += dh.tsmapSize;

            // Skip the EC substream.
            bits.Position += dh.ecinfoSize;

            // Read the optional header.
            end = bits.Position + dh.dbghdrSize;
            if (dh.dbghdrSize > 0)
            {
                header = new DbiDbgHdr(bits);
            }
            bits.Position = end;
        }
Exemplo n.º 17
0
        internal PdbConstant(BitAccess bits)
        {
            uint token;
            bits.ReadUInt32(out token);
            this.Token = token;
            byte tag1;
            bits.ReadUInt8(out tag1);
            byte tag2;
            bits.ReadUInt8(out tag2);
            if (tag2 == 0)
            {
                this.Value = tag1;
            }
            else if (tag2 == 0x80)
            {
                switch (tag1)
                {
                    case 0x00: //sbyte
                        sbyte sb;
                        bits.ReadInt8(out sb);
                        this.Value = sb;
                        break;
                    case 0x01: //short
                        short s;
                        bits.ReadInt16(out s);
                        this.Value = s;
                        break;
                    case 0x02: //ushort
                        ushort us;
                        bits.ReadUInt16(out us);
                        this.Value = us;
                        break;
                    case 0x03: //int
                        int i;
                        bits.ReadInt32(out i);
                        this.Value = i;
                        break;
                    case 0x04: //uint
                        uint ui;
                        bits.ReadUInt32(out ui);
                        this.Value = ui;
                        break;
                    case 0x05: //float
                        this.Value = bits.ReadFloat();
                        break;
                    case 0x06: //double
                        this.Value = bits.ReadDouble();
                        break;
                    case 0x09: //long
                        long sl;
                        bits.ReadInt64(out sl);
                        this.Value = sl;
                        break;
                    case 0x0a: //ulong
                        ulong ul;
                        bits.ReadUInt64(out ul);
                        this.Value = ul;
                        break;
                    case 0x10: //string
                        string str;
                        bits.ReadBString(out str);
                        this.Value = str;
                        break;
                    case 0x19: //decimal
                        this.Value = bits.ReadDecimal();
                        break;
                    default:
                        //TODO: error
                        break;
                }
            }
            else
            {
                //TODO: error
            }

            string name;
            bits.ReadCString(out name);
            Name = name;
        }
Exemplo n.º 18
0
        private static void LoadManagedLines(PdbFunction[] funcs,
                                     Dictionary<int, string> names,
                                     BitAccess bits,
                                     MsfDirectory dir,
                                     Dictionary<string, int> nameIndex,
                                     PdbStreamHelper reader,
                                     uint limit,
                                     Dictionary<string, PdbSource> sources)
        {
            Array.Sort(funcs, PdbFunction.byAddressAndToken);

            Dictionary<int, PdbSource> checks = new Dictionary<int, PdbSource>();

            // Read the files first
            int begin = bits.Position;
            while (bits.Position < limit)
            {
                int sig;
                int siz;
                bits.ReadInt32(out sig);
                bits.ReadInt32(out siz);
                int place = bits.Position;
                int endSym = bits.Position + siz;

                switch ((DEBUG_S_SUBSECTION)sig)
                {
                    case DEBUG_S_SUBSECTION.FILECHKSMS:
                        while (bits.Position < endSym)
                        {
                            CV_FileCheckSum chk;

                            int ni = bits.Position - place;
                            bits.ReadUInt32(out chk.name);
                            bits.ReadUInt8(out chk.len);
                            bits.ReadUInt8(out chk.type);

                            string name = names[(int)chk.name];
                            PdbSource src;
                            if (!sources.TryGetValue(name.ToUpperInvariant(), out src))
                            {
                                int guidStream;
                                Guid doctypeGuid = Guid.Empty;
                                Guid languageGuid = Guid.Empty;
                                Guid vendorGuid = Guid.Empty;
                                Guid algorithmId = Guid.Empty;
                                byte[] checksum = null;
                                byte[] source = null;

                                if (nameIndex.TryGetValue("/SRC/FILES/" + name.ToUpperInvariant(), out guidStream))
                                {
                                    var guidBits = new BitAccess(0x100);
                                    dir._streams[guidStream].Read(reader, guidBits);
                                    LoadGuidStream(guidBits, out doctypeGuid, out languageGuid, out vendorGuid, out algorithmId, out checksum, out source);
                                }

                                src = new PdbSource(/*(uint)ni,*/ name, doctypeGuid, languageGuid, vendorGuid, algorithmId, checksum, source);
                                sources.Add(name.ToUpperInvariant(), src);
                            }
                            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);
                int 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);
                            int funcIndex = FindFunction(funcs, sec.sec, sec.off);
                            if (funcIndex < 0) break;
                            var func = funcs[funcIndex];
                            if (func.SequencePoints == null)
                            {
                                while (funcIndex > 0)
                                {
                                    var f = funcs[funcIndex - 1];
                                    if (f.SequencePoints != null || f.Segment != sec.sec || f.Address != sec.off) break;
                                    func = f;
                                    funcIndex--;
                                }
                            }
                            else
                            {
                                while (funcIndex < funcs.Length - 1 && func.SequencePoints != null)
                                {
                                    var f = funcs[funcIndex + 1];
                                    if (f.Segment != sec.sec || f.Address != sec.off) break;
                                    func = f;
                                    funcIndex++;
                                }
                            }
                            if (func.SequencePoints != null) break;

                            // Count the line blocks.
                            int begSym = bits.Position;
                            int 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.
                                int linsiz = (int)file.count * (8 + ((sec.flags & 1) != 0 ? 4 : 0));
                                bits.Position += linsiz;
                                blocks++;
                            }

                            func.SequencePoints = new PdbSequencePointCollection[blocks];
                            int 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.

                                PdbSource src = (PdbSource)checks[(int)file.index];
                                PdbSequencePointCollection tmp = new PdbSequencePointCollection(src, file.count);
                                func.SequencePoints[block++] = tmp;
                                PdbSequencePoint[] lines = tmp.Lines;

                                int plin = bits.Position;
                                int pcol = bits.Position + 8 * (int)file.count;

                                for (int i = 0; i < file.count; i++)
                                {
                                    CV_Line line;
                                    CV_Column column = new CV_Column();

                                    bits.Position = plin + 8 * i;
                                    bits.ReadUInt32(out line.offset);
                                    bits.ReadUInt32(out line.flags);

                                    uint lineBegin = line.flags & (uint)CV_Line_Flags.linenumStart;
                                    uint delta = (line.flags & (uint)CV_Line_Flags.deltaLineEnd) >> 24;
                                    //bool 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 PdbSequencePoint(line.offset,
                                                           lineBegin,
                                                           column.offColumnStart,
                                                           lineBegin + delta,
                                                           column.offColumnEnd);
                                }
                            }
                            break;
                        }
                }
                bits.Position = endSym;
            }
        }
Exemplo n.º 19
0
        internal static PdbFunction[] LoadFunctions(Stream read,
                                                    BitAccess bits,
                                                    bool readAllStrings,
                                                    out int ver,
                                                    out int sig,
                                                    out int age,
                                                    out Guid guid,
                                                    out IEnumerable <PdbSource> sources)
        {
            sources = null;
            PdbFileHeader   head   = new PdbFileHeader(read, bits);
            PdbStreamHelper reader = new PdbStreamHelper(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 ver, out sig, out age, out guid);
            int nameStream;

            if (!nameIndex.TryGetValue("/NAMES", out nameStream))
            {
                throw new PdbException("No `name' stream");
            }

            dir._streams[nameStream].Read(reader, bits);
            Dictionary <int, string> names = LoadNameStream(bits);

            dir._streams[3].Read(reader, bits);
            LoadDbiStream(bits, out modules, out header, readAllStrings);

            List <PdbFunction>             funcList         = new List <PdbFunction>();
            Dictionary <string, PdbSource> sourceDictionary = new Dictionary <string, PdbSource>();

            if (modules != null)
            {
                for (int m = 0; m < modules.Length; m++)
                {
                    if (modules[m].stream > 0)
                    {
                        dir._streams[modules[m].stream].Read(reader, bits);
                        LoadFuncsFromDbiModule(bits, modules[m], names, funcList,
                                               readAllStrings, dir, nameIndex, reader, sourceDictionary);
                    }
                }
            }

            PdbFunction[] funcs = funcList.ToArray();
            sources = sourceDictionary.Values;

            // 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);
        }
Exemplo n.º 20
0
        internal static void CountScopesAndSlots(BitAccess bits, uint limit,
                                                 out int constants, out int scopes, out int slots, out int usedNamespaces)
        {
            int pos = bits.Position;
            BlockSym32 block;
            constants = 0;
            slots = 0;
            scopes = 0;
            usedNamespaces = 0;

            while (bits.Position < limit)
            {
                ushort siz;
                ushort rec;

                bits.ReadUInt16(out siz);
                int star = bits.Position;
                int stop = bits.Position + siz;
                bits.Position = star;
                bits.ReadUInt16(out rec);

                switch ((SYM)rec)
                {
                    case SYM.S_BLOCK32:
                        {
                            bits.ReadUInt32(out block.parent);
                            bits.ReadUInt32(out block.end);

                            scopes++;
                            bits.Position = (int)block.end;
                            break;
                        }

                    case SYM.S_MANSLOT:
                        slots++;
                        bits.Position = stop;
                        break;

                    case SYM.S_UNAMESPACE:
                        usedNamespaces++;
                        bits.Position = stop;
                        break;

                    case SYM.S_MANCONSTANT:
                        constants++;
                        bits.Position = stop;
                        break;

                    default:
                        bits.Position = stop;
                        break;
                }
            }
            bits.Position = pos;
        }
Exemplo n.º 21
0
        private static void LoadDbiStream(BitAccess bits,
                                          out DbiModuleInfo[] modules,
                                          out DbiDbgHdr header,
                                          bool readStrings)
        {
            DbiHeader dh = new DbiHeader(bits);

            header = new DbiDbgHdr();

            //if (dh.sig != -1 || dh.ver != 19990903) {
            //  throw new PdbException("Unsupported DBI Stream version, sig={0}, ver={1}",
            //                         dh.sig, dh.ver);
            //}

            // Read gpmod section.
            List <DbiModuleInfo> modList = new List <DbiModuleInfo>();
            int end = bits.Position + dh.gpmodiSize;

            while (bits.Position < end)
            {
                DbiModuleInfo mod = new DbiModuleInfo(bits, readStrings);
                modList.Add(mod);
            }
            if (bits.Position != end)
            {
                throw new PdbDebugException("Error reading DBI stream, pos={0} != {1}",
                                            bits.Position, end);
            }

            if (modList.Count > 0)
            {
                modules = modList.ToArray();
            }
            else
            {
                modules = null;
            }

            // Skip the Section Contribution substream.
            bits.Position += dh.secconSize;

            // Skip the Section Map substream.
            bits.Position += dh.secmapSize;

            // Skip the File Info substream.
            bits.Position += dh.filinfSize;

            // Skip the TSM substream.
            bits.Position += dh.tsmapSize;

            // Skip the EC substream.
            bits.Position += dh.ecinfoSize;

            // Read the optional header.
            end = bits.Position + dh.dbghdrSize;
            if (dh.dbghdrSize > 0)
            {
                header = new DbiDbgHdr(bits);
            }
            bits.Position = end;
        }
Exemplo n.º 22
0
        private static Dictionary <string, int> LoadNameIndex(BitAccess bits, out int ver, out int sig, out int age, out Guid guid)
        {
            Dictionary <string, int> result = new Dictionary <string, int>();

            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

            int beg = bits.Position;
            int 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);

            BitSet present = new BitSet(bits);
            BitSet deleted = new BitSet(bits);

            if (!deleted.IsEmpty)
            {
                //throw new PdbDebugException("Unsupported PDB deleted bitset is not empty.");
            }

            int j = 0;

            for (int i = 0; i < max; i++)
            {
                if (present.IsSet(i))
                {
                    int ns;
                    int ni;
                    bits.ReadInt32(out ns);
                    bits.ReadInt32(out ni);

                    string name;
                    int    saved = bits.Position;
                    bits.Position = beg + ns;
                    bits.ReadCString(out name);
                    bits.Position = saved;

                    result.Add(name.ToUpperInvariant(), ni);
                    j++;
                }
            }
            if (j != cnt)
            {
                throw new PdbDebugException("Count mismatch. ({0} != {1})", j, cnt);
            }
            return(result);
        }
Exemplo n.º 23
0
        private static void LoadManagedLines(PdbFunction[] funcs,
                                             Dictionary <int, string> names,
                                             BitAccess bits,
                                             MsfDirectory dir,
                                             Dictionary <string, int> nameIndex,
                                             PdbStreamHelper reader,
                                             uint limit,
                                             Dictionary <string, PdbSource> sources)
        {
            Array.Sort(funcs, PdbFunction.byAddressAndToken);

            Dictionary <int, PdbSource> checks = new Dictionary <int, PdbSource>();

            // Read the files first
            int begin = bits.Position;

            while (bits.Position < limit)
            {
                int sig;
                int siz;
                bits.ReadInt32(out sig);
                bits.ReadInt32(out siz);
                int place  = bits.Position;
                int endSym = bits.Position + siz;

                switch ((DEBUG_S_SUBSECTION)sig)
                {
                case DEBUG_S_SUBSECTION.FILECHKSMS:
                    while (bits.Position < endSym)
                    {
                        CV_FileCheckSum chk;

                        int ni = bits.Position - place;
                        bits.ReadUInt32(out chk.name);
                        bits.ReadUInt8(out chk.len);
                        bits.ReadUInt8(out chk.type);

                        string    name = names[(int)chk.name];
                        PdbSource src;
                        if (!sources.TryGetValue(name.ToUpperInvariant(), out src))
                        {
                            int    guidStream;
                            Guid   doctypeGuid  = Guid.Empty;
                            Guid   languageGuid = Guid.Empty;
                            Guid   vendorGuid   = Guid.Empty;
                            Guid   algorithmId  = Guid.Empty;
                            byte[] checksum     = null;
                            byte[] source       = null;

                            if (nameIndex.TryGetValue("/SRC/FILES/" + name.ToUpperInvariant(), out guidStream))
                            {
                                var guidBits = new BitAccess(0x100);
                                dir._streams[guidStream].Read(reader, guidBits);
                                LoadGuidStream(guidBits, out doctypeGuid, out languageGuid, out vendorGuid, out algorithmId, out checksum, out source);
                            }

                            src = new PdbSource(/*(uint)ni,*/ name, doctypeGuid, languageGuid, vendorGuid, algorithmId, checksum, source);
                            sources.Add(name.ToUpperInvariant(), src);
                        }
                        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);
                int 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);
                    int funcIndex = FindFunction(funcs, sec.sec, sec.off);
                    if (funcIndex < 0)
                    {
                        break;
                    }
                    var func = funcs[funcIndex];
                    if (func.SequencePoints == null)
                    {
                        while (funcIndex > 0)
                        {
                            var f = funcs[funcIndex - 1];
                            if (f.SequencePoints != null || f.Segment != sec.sec || f.Address != sec.off)
                            {
                                break;
                            }
                            func = f;
                            funcIndex--;
                        }
                    }
                    else
                    {
                        while (funcIndex < funcs.Length - 1 && func.SequencePoints != null)
                        {
                            var f = funcs[funcIndex + 1];
                            if (f.Segment != sec.sec || f.Address != sec.off)
                            {
                                break;
                            }
                            func = f;
                            funcIndex++;
                        }
                    }
                    if (func.SequencePoints != null)
                    {
                        break;
                    }

                    // Count the line blocks.
                    int begSym = bits.Position;
                    int 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.
                        int linsiz = (int)file.count * (8 + ((sec.flags & 1) != 0 ? 4 : 0));
                        bits.Position += linsiz;
                        blocks++;
                    }

                    func.SequencePoints = new PdbSequencePointCollection[blocks];
                    int 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.

                        PdbSource src = (PdbSource)checks[(int)file.index];
                        PdbSequencePointCollection tmp = new PdbSequencePointCollection(src, file.count);
                        func.SequencePoints[block++] = tmp;
                        PdbSequencePoint[] lines = tmp.Lines;

                        int plin = bits.Position;
                        int pcol = bits.Position + 8 * (int)file.count;

                        for (int i = 0; i < file.count; i++)
                        {
                            CV_Line   line;
                            CV_Column column = new CV_Column();

                            bits.Position = plin + 8 * i;
                            bits.ReadUInt32(out line.offset);
                            bits.ReadUInt32(out line.flags);

                            uint lineBegin = line.flags & (uint)CV_Line_Flags.linenumStart;
                            uint delta     = (line.flags & (uint)CV_Line_Flags.deltaLineEnd) >> 24;
                            //bool 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 PdbSequencePoint(line.offset,
                                                            lineBegin,
                                                            column.offColumnStart,
                                                            lineBegin + delta,
                                                            column.offColumnEnd);
                        }
                    }
                    break;
                }
                }
                bits.Position = endSym;
            }
        }
Exemplo n.º 24
0
 private void ReadCustomMetadata(BitAccess bits)
 {
     int savedPosition = bits.Position;
     byte version;
     bits.ReadUInt8(out version);
     if (version != 4)
     {
         throw new PdbDebugException("Unknown custom metadata item version: {0}", version);
     }
     byte kind;
     bits.ReadUInt8(out kind);
     bits.Align(4);
     uint numberOfBytesInItem;
     bits.ReadUInt32(out numberOfBytesInItem);
     switch (kind)
     {
         case 0: this.ReadUsingInfo(bits); break;
         case 1: break; // this.ReadForwardInfo(bits); break;
         case 2: break; // this.ReadForwardedToModuleInfo(bits); break;
         case 3: this.ReadIteratorLocals(bits); break;
         case 4: this.ReadForwardIterator(bits); break;
         default: throw new PdbDebugException("Unknown custom metadata item kind: {0}", kind);
     }
     bits.Position = savedPosition + (int)numberOfBytesInItem;
 }
Exemplo n.º 25
0
        internal static PdbFunction[] LoadManagedFunctions(/*string module,*/
                                                           BitAccess bits, uint limit,
                                                           bool readStrings)
        {
            //string mod = StripNamespace(module);
            int begin = bits.Position;
            int count = 0;

            while (bits.Position < limit)
            {
                ushort siz;
                ushort rec;

                bits.ReadUInt16(out siz);
                int star = bits.Position;
                int stop = bits.Position + siz;
                bits.Position = star;
                bits.ReadUInt16(out rec);

                switch ((SYM)rec)
                {
                    case SYM.S_GMANPROC:
                    case SYM.S_LMANPROC:
                        ManProcSym proc;
                        bits.ReadUInt32(out proc.parent);
                        bits.ReadUInt32(out proc.end);
                        bits.Position = (int)proc.end;
                        count++;
                        break;

                    case SYM.S_END:
                        bits.Position = stop;
                        break;

                    default:
                        //Console.WriteLine("{0,6}: {1:x2} {2}",
                        //                  bits.Position, rec, (SYM)rec);
                        bits.Position = stop;
                        break;
                }
            }
            if (count == 0)
            {
                return null;
            }

            bits.Position = begin;
            PdbFunction[] funcs = new PdbFunction[count];
            int func = 0;

            while (bits.Position < limit)
            {
                ushort siz;
                ushort rec;

                bits.ReadUInt16(out siz);
                int star = bits.Position;
                int stop = bits.Position + siz;
                bits.ReadUInt16(out rec);

                switch ((SYM)rec)
                {
                    case SYM.S_GMANPROC:
                    case SYM.S_LMANPROC:
                        ManProcSym proc;
                        //int offset = bits.Position;

                        bits.ReadUInt32(out proc.parent);
                        bits.ReadUInt32(out proc.end);
                        bits.ReadUInt32(out proc.next);
                        bits.ReadUInt32(out proc.len);
                        bits.ReadUInt32(out proc.dbgStart);
                        bits.ReadUInt32(out proc.dbgEnd);
                        bits.ReadUInt32(out proc.token);
                        bits.ReadUInt32(out proc.off);
                        bits.ReadUInt16(out proc.seg);
                        bits.ReadUInt8(out proc.flags);
                        bits.ReadUInt16(out proc.retReg);
                        if (readStrings)
                        {
                            bits.ReadCString(out proc.name);
                        }
                        else
                        {
                            bits.SkipCString(out proc.name);
                        }
                        //Console.WriteLine("token={0:X8} [{1}::{2}]", proc.token, module, proc.name);

                        bits.Position = stop;
                        funcs[func++] = new PdbFunction(/*module,*/ proc, bits);
                        break;

                    default:
                        {
                            //throw new PdbDebugException("Unknown SYMREC {0}", (SYM)rec);
                            bits.Position = stop;
                            break;
                        }
                }
            }
            return funcs;
        }
Exemplo n.º 26
0
 internal BitSet(BitAccess bits)
 {
     bits.ReadInt32(out _size);    // 0..3 : Number of words
     _words = new uint[_size];
     bits.ReadUInt32(_words);
 }
Exemplo n.º 27
0
        internal PdbFunction(/*string module, */ManProcSym proc, BitAccess bits)
        {
            this.Token = proc.token;
            //this.module = module;
            //this.name = proc.name;
            //this.flags = proc.flags;
            this.Segment = proc.seg;
            this.Address = proc.off;
            //this.length = proc.len;

            if (proc.seg != 1)
            {
                throw new PdbDebugException("Segment is {0}, not 1.", proc.seg);
            }
            if (proc.parent != 0 || proc.next != 0)
            {
                throw new PdbDebugException("Warning parent={0}, next={1}",
                                            proc.parent, proc.next);
            }
            //if (proc.dbgStart != 0 || proc.dbgEnd != 0) {
            //  throw new PdbDebugException("Warning DBG start={0}, end={1}",
            //                              proc.dbgStart, proc.dbgEnd);
            //}

            int constantCount;
            int scopeCount;
            int slotCount;
            int usedNamespacesCount;
            CountScopesAndSlots(bits, proc.end, out constantCount, out scopeCount, out slotCount, out usedNamespacesCount);
            int scope = constantCount > 0 || slotCount > 0 || usedNamespacesCount > 0 ? 1 : 0;
            int slot = 0;
            int constant = 0;
            int usedNs = 0;
            Scopes = new PdbScope[scopeCount + scope];
            Slots = new PdbSlot[slotCount];
            Constants = new PdbConstant[constantCount];
            Namespaces = new string[usedNamespacesCount];

            if (scope > 0)
                Scopes[0] = new PdbScope(this.Address, proc.len, Slots, Constants, Namespaces);

            while (bits.Position < proc.end)
            {
                ushort siz;
                ushort rec;

                bits.ReadUInt16(out siz);
                int star = bits.Position;
                int stop = bits.Position + siz;
                bits.Position = star;
                bits.ReadUInt16(out rec);

                switch ((SYM)rec)
                {
                    case SYM.S_OEM:
                        {          // 0x0404
                            OemSymbol oem;

                            bits.ReadGuid(out oem.idOem);
                            bits.ReadUInt32(out oem.typind);
                            // internal byte[]   rgl;        // user data, force 4-byte alignment

                            if (oem.idOem == msilMetaData)
                            {
                                string name = bits.ReadString();
                                if (name == "MD2")
                                {
                                    byte version;
                                    bits.ReadUInt8(out version);
                                    if (version == 4)
                                    {
                                        byte count;
                                        bits.ReadUInt8(out count);
                                        bits.Align(4);
                                        while (count-- > 0)
                                            this.ReadCustomMetadata(bits);
                                    }
                                }
                                bits.Position = stop;
                                break;
                            }
                            else
                            {
                                throw new PdbDebugException("OEM section: guid={0} ti={1}",
                                                            oem.idOem, oem.typind);
                                // bits.Position = stop;
                            }
                        }

                    case SYM.S_BLOCK32:
                        {
                            BlockSym32 block = new BlockSym32();

                            bits.ReadUInt32(out block.parent);
                            bits.ReadUInt32(out block.end);
                            bits.ReadUInt32(out block.len);
                            bits.ReadUInt32(out block.off);
                            bits.ReadUInt16(out block.seg);
                            bits.SkipCString(out block.name);
                            bits.Position = stop;

                            Scopes[scope++] = new PdbScope(this.Address, block, bits, out slotToken);
                            bits.Position = (int)block.end;
                            break;
                        }

                    case SYM.S_MANSLOT:
                        uint typind;
                        Slots[slot++] = new PdbSlot(bits, out typind);
                        bits.Position = stop;
                        break;

                    case SYM.S_MANCONSTANT:
                        Constants[constant++] = new PdbConstant(bits);
                        bits.Position = stop;
                        break;

                    case SYM.S_UNAMESPACE:
                        bits.ReadCString(out Namespaces[usedNs++]);
                        bits.Position = stop;
                        break;

                    case SYM.S_END:
                        bits.Position = stop;
                        break;

                    default:
                        {
                            //throw new PdbDebugException("Unknown SYM: {0}", (SYM)rec);
                            bits.Position = stop;
                            break;
                        }
                }
            }

            if (bits.Position != proc.end)
            {
                throw new PdbDebugException("Not at S_END");
            }

            ushort esiz;
            ushort erec;
            bits.ReadUInt16(out esiz);
            bits.ReadUInt16(out erec);

            if (erec != (ushort)SYM.S_END)
            {
                throw new PdbDebugException("Missing S_END");
            }
        }
Exemplo n.º 28
0
 internal BitSet(BitAccess bits)
 {
     bits.ReadInt32(out _size);    // 0..3 : Number of words
     _words = new uint[_size];
     bits.ReadUInt32(_words);
 }
Exemplo n.º 29
0
        internal PdbScope(uint funcOffset, BlockSym32 block, BitAccess bits, out uint typind)
        {
            //this.segment = block.seg;
            this.Address = block.off;
            this.Offset = block.off - funcOffset;
            this.Length = block.len;
            typind = 0;

            int constantCount;
            int scopeCount;
            int slotCount;
            int namespaceCount;
            PdbFunction.CountScopesAndSlots(bits, block.end, out constantCount, out scopeCount, out slotCount, out namespaceCount);
            Constants = new PdbConstant[constantCount];
            Scopes = new PdbScope[scopeCount];
            Slots = new PdbSlot[slotCount];
            UsedNamespaces = new string[namespaceCount];
            int constant = 0;
            int scope = 0;
            int slot = 0;
            int usedNs = 0;

            while (bits.Position < block.end)
            {
                ushort siz;
                ushort rec;

                bits.ReadUInt16(out siz);
                int star = bits.Position;
                int stop = bits.Position + siz;
                bits.Position = star;
                bits.ReadUInt16(out rec);

                switch ((SYM)rec)
                {
                    case SYM.S_BLOCK32:
                        {
                            BlockSym32 sub = new BlockSym32();

                            bits.ReadUInt32(out sub.parent);
                            bits.ReadUInt32(out sub.end);
                            bits.ReadUInt32(out sub.len);
                            bits.ReadUInt32(out sub.off);
                            bits.ReadUInt16(out sub.seg);
                            bits.SkipCString(out sub.name);

                            bits.Position = stop;
                            Scopes[scope++] = new PdbScope(funcOffset, sub, bits, out typind);
                            break;
                        }

                    case SYM.S_MANSLOT:
                        Slots[slot++] = new PdbSlot(bits, out typind);
                        bits.Position = stop;
                        break;

                    case SYM.S_UNAMESPACE:
                        bits.ReadCString(out UsedNamespaces[usedNs++]);
                        bits.Position = stop;
                        break;

                    case SYM.S_END:
                        bits.Position = stop;
                        break;

                    case SYM.S_MANCONSTANT:
                        Constants[constant++] = new PdbConstant(bits);
                        bits.Position = stop;
                        break;

                    default:
                        //throw new PdbException("Unknown SYM in scope {0}", (SYM)rec);
                        bits.Position = stop;
                        break;
                }
            }

            if (bits.Position != block.end)
            {
                throw new Exception("Not at S_END");
            }

            ushort esiz;
            ushort erec;
            bits.ReadUInt16(out esiz);
            bits.ReadUInt16(out erec);

            if (erec != (ushort)SYM.S_END)
            {
                throw new Exception("Missing S_END");
            }
        }
Exemplo n.º 30
0
 internal void Read(PdbStreamHelper reader, BitAccess bits)
 {
     bits.MinCapacity(_contentSize);
     Read(reader, 0, bits.Buffer, 0, _contentSize);
 }
Exemplo n.º 31
0
        internal PdbScope(uint funcOffset, BlockSym32 block, BitAccess bits, out uint typind)
        {
            //this.segment = block.seg;
            Address = block.off;
            Offset  = block.off - funcOffset;
            Length  = block.len;
            typind  = 0;

            int constantCount;
            int scopeCount;
            int slotCount;
            int namespaceCount;

            PdbFunction.CountScopesAndSlots(bits, block.end, out constantCount, out scopeCount, out slotCount, out namespaceCount);
            Constants      = new PdbConstant[constantCount];
            Scopes         = new PdbScope[scopeCount];
            Slots          = new PdbSlot[slotCount];
            UsedNamespaces = new string[namespaceCount];
            int constant = 0;
            int scope    = 0;
            int slot     = 0;
            int usedNs   = 0;

            while (bits.Position < block.end)
            {
                ushort siz;
                ushort rec;

                bits.ReadUInt16(out siz);
                int star = bits.Position;
                int stop = bits.Position + siz;
                bits.Position = star;
                bits.ReadUInt16(out rec);

                switch ((SYM)rec)
                {
                case SYM.S_BLOCK32:
                {
                    BlockSym32 sub = new BlockSym32();

                    bits.ReadUInt32(out sub.parent);
                    bits.ReadUInt32(out sub.end);
                    bits.ReadUInt32(out sub.len);
                    bits.ReadUInt32(out sub.off);
                    bits.ReadUInt16(out sub.seg);
                    bits.SkipCString(out sub.name);

                    bits.Position   = stop;
                    Scopes[scope++] = new PdbScope(funcOffset, sub, bits, out typind);
                    break;
                }

                case SYM.S_MANSLOT:
                    Slots[slot++] = new PdbSlot(bits, out typind);
                    bits.Position = stop;
                    break;

                case SYM.S_UNAMESPACE:
                    bits.ReadCString(out UsedNamespaces[usedNs++]);
                    bits.Position = stop;
                    break;

                case SYM.S_END:
                    bits.Position = stop;
                    break;

                case SYM.S_MANCONSTANT:
                    Constants[constant++] = new PdbConstant(bits);
                    bits.Position         = stop;
                    break;

                default:
                    //throw new PdbException("Unknown SYM in scope {0}", (SYM)rec);
                    bits.Position = stop;
                    break;
                }
            }

            if (bits.Position != block.end)
            {
                throw new Exception("Not at S_END");
            }

            ushort esiz;
            ushort erec;

            bits.ReadUInt16(out esiz);
            bits.ReadUInt16(out erec);

            if (erec != (ushort)SYM.S_END)
            {
                throw new Exception("Missing S_END");
            }
        }
Exemplo n.º 32
0
        private static Dictionary<string, int> LoadNameIndex(BitAccess bits, out int ver, out int sig, out int age, out Guid guid)
        {
            Dictionary<string, int> result = new Dictionary<string, int>();
            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

            int beg = bits.Position;
            int 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);

            BitSet present = new BitSet(bits);
            BitSet deleted = new BitSet(bits);
            if (!deleted.IsEmpty)
            {
                throw new PdbDebugException("Unsupported PDB deleted bitset is not empty.");
            }

            int j = 0;
            for (int i = 0; i < max; i++)
            {
                if (present.IsSet(i))
                {
                    int ns;
                    int ni;
                    bits.ReadInt32(out ns);
                    bits.ReadInt32(out ni);

                    string name;
                    int saved = bits.Position;
                    bits.Position = beg + ns;
                    bits.ReadCString(out name);
                    bits.Position = saved;

                    result.Add(name.ToUpperInvariant(), ni);
                    j++;
                }
            }
            if (j != cnt)
            {
                throw new PdbDebugException("Count mismatch. ({0} != {1})", j, cnt);
            }
            return result;
        }
Exemplo n.º 33
0
        internal PdbFunction(/*string module, */ ManProcSym proc, BitAccess bits)
        {
            this.Token = proc.token;
            //this.module = module;
            //this.name = proc.name;
            //this.flags = proc.flags;
            this.Segment = proc.seg;
            this.Address = proc.off;
            //this.length = proc.len;

            if (proc.seg != 1)
            {
                throw new PdbDebugException("Segment is {0}, not 1.", proc.seg);
            }
            if (proc.parent != 0 || proc.next != 0)
            {
                throw new PdbDebugException("Warning parent={0}, next={1}",
                                            proc.parent, proc.next);
            }
            //if (proc.dbgStart != 0 || proc.dbgEnd != 0) {
            //  throw new PdbDebugException("Warning DBG start={0}, end={1}",
            //                              proc.dbgStart, proc.dbgEnd);
            //}

            int constantCount;
            int scopeCount;
            int slotCount;
            int usedNamespacesCount;

            CountScopesAndSlots(bits, proc.end, out constantCount, out scopeCount, out slotCount, out usedNamespacesCount);
            int scope    = constantCount > 0 || slotCount > 0 || usedNamespacesCount > 0 ? 1 : 0;
            int slot     = 0;
            int constant = 0;
            int usedNs   = 0;

            Scopes     = new PdbScope[scopeCount + scope];
            Slots      = new PdbSlot[slotCount];
            Constants  = new PdbConstant[constantCount];
            Namespaces = new string[usedNamespacesCount];

            if (scope > 0)
            {
                Scopes[0] = new PdbScope(this.Address, proc.len, Slots, Constants, Namespaces);
            }

            while (bits.Position < proc.end)
            {
                ushort siz;
                ushort rec;

                bits.ReadUInt16(out siz);
                int star = bits.Position;
                int stop = bits.Position + siz;
                bits.Position = star;
                bits.ReadUInt16(out rec);

                switch ((SYM)rec)
                {
                case SYM.S_OEM:
                {                  // 0x0404
                    OemSymbol oem;

                    bits.ReadGuid(out oem.idOem);
                    bits.ReadUInt32(out oem.typind);
                    // internal byte[]   rgl;        // user data, force 4-byte alignment

                    if (oem.idOem == msilMetaData)
                    {
                        string name = bits.ReadString();
                        if (name == "MD2")
                        {
                            byte version;
                            bits.ReadUInt8(out version);
                            if (version == 4)
                            {
                                byte count;
                                bits.ReadUInt8(out count);
                                bits.Align(4);
                                while (count-- > 0)
                                {
                                    this.ReadCustomMetadata(bits);
                                }
                            }
                        }
                        bits.Position = stop;
                        break;
                    }
                    else
                    {
                        throw new PdbDebugException("OEM section: guid={0} ti={1}",
                                                    oem.idOem, oem.typind);
                        // bits.Position = stop;
                    }
                }

                case SYM.S_BLOCK32:
                {
                    BlockSym32 block = new BlockSym32();

                    bits.ReadUInt32(out block.parent);
                    bits.ReadUInt32(out block.end);
                    bits.ReadUInt32(out block.len);
                    bits.ReadUInt32(out block.off);
                    bits.ReadUInt16(out block.seg);
                    bits.SkipCString(out block.name);
                    bits.Position = stop;

                    Scopes[scope++] = new PdbScope(this.Address, block, bits, out slotToken);
                    bits.Position   = (int)block.end;
                    break;
                }

                case SYM.S_MANSLOT:
                    uint typind;
                    Slots[slot++] = new PdbSlot(bits, out typind);
                    bits.Position = stop;
                    break;

                case SYM.S_MANCONSTANT:
                    Constants[constant++] = new PdbConstant(bits);
                    bits.Position         = stop;
                    break;

                case SYM.S_UNAMESPACE:
                    bits.ReadCString(out Namespaces[usedNs++]);
                    bits.Position = stop;
                    break;

                case SYM.S_END:
                    bits.Position = stop;
                    break;

                default:
                {
                    //throw new PdbDebugException("Unknown SYM: {0}", (SYM)rec);
                    bits.Position = stop;
                    break;
                }
                }
            }

            if (bits.Position != proc.end)
            {
                throw new PdbDebugException("Not at S_END");
            }

            ushort esiz;
            ushort erec;

            bits.ReadUInt16(out esiz);
            bits.ReadUInt16(out erec);

            if (erec != (ushort)SYM.S_END)
            {
                throw new PdbDebugException("Missing S_END");
            }
        }
Exemplo n.º 34
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 internal static PdbFunction[] LoadFunctions(Stream read, bool readAllStrings,
                                             out int ver,
                                             out int sig,
                                             out int age,
                                             out Guid guid,
                                             out IEnumerable<PdbSource> sources)
 {
     BitAccess bits = new BitAccess(512 * 1024);
     return LoadFunctions(read, bits, readAllStrings, out ver, out sig, out age, out guid, out sources);
 }
Exemplo n.º 35
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 private void ReadForwardIterator(BitAccess bits)
 {
     this.iteratorClass = bits.ReadString();
 }
Exemplo n.º 36
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        private static Dictionary<int, string> LoadNameStream(BitAccess bits)
        {
            Dictionary<int, string> ht = new Dictionary<int, string>();

            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);
            }
            int beg = bits.Position;
            int 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 (int i = 0; i < siz; i++)
            {
                int ni;
                string name;

                bits.ReadInt32(out ni);

                if (ni != 0)
                {
                    int saved = bits.Position;
                    bits.Position = beg + ni;
                    bits.ReadCString(out name);
                    bits.Position = saved;

                    ht.Add(ni, name);
                }
            }
            bits.Position = nxt;

            return ht;
        }
Exemplo n.º 37
0
        private void ReadIteratorLocals(BitAccess bits)
        {
            uint numberOfLocals;

            bits.ReadUInt32(out numberOfLocals);
        }
Exemplo n.º 38
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 internal void Read(PdbStreamHelper reader, BitAccess bits)
 {
     bits.MinCapacity(_contentSize);
     Read(reader, 0, bits.Buffer, 0, _contentSize);
 }
Exemplo n.º 39
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 private void ReadForwardIterator(BitAccess bits)
 {
     this.iteratorClass = bits.ReadString();
 }