Exemplo n.º 1
0
        /// <summary>
        /// </summary>
        /// <param name="module">
        /// </param>
        /// <param name="bits">
        /// </param>
        /// <param name="limit">
        /// </param>
        /// <param name="readStrings">
        /// </param>
        /// <returns>
        /// </returns>
        internal static PdbFunction[] LoadManagedFunctions(string module, BitAccess bits, uint limit, bool readStrings)
        {
            var mod = StripNamespace(module);
            var begin = bits.Position;
            var count = 0;

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

                bits.ReadUInt16(out siz);
                var star = bits.Position;
                var 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;
            var funcs = new PdbFunction[count];
            var func = 0;

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

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

                switch ((SYM)rec)
                {
                    case SYM.S_GMANPROC:
                    case SYM.S_LMANPROC:
                        ManProcSym proc;
                        var 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 2
0
        /// <summary>
        /// </summary>
        /// <param name="module">
        /// </param>
        /// <param name="proc">
        /// </param>
        /// <param name="bits">
        /// </param>
        /// <exception cref="PdbDebugException">
        /// </exception>
        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;
            this.slotToken = 0;

            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);
            this.scopes = new PdbScope[scopeCount];
            var scope = 0;

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

                bits.ReadUInt16(out siz);
                var star = bits.Position;
                var 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)
                            {
                                var 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:
                        {
                            var block = new BlockSym32();

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

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

                    case SYM.S_UNAMESPACE:
                        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 3
0
        /// <summary>
        /// </summary>
        /// <param name="module">
        /// </param>
        /// <param name="proc">
        /// </param>
        /// <param name="bits">
        /// </param>
        /// <exception cref="PdbDebugException">
        /// </exception>
        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;
            this.slotToken = 0;

            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);
            this.scopes = new PdbScope[scopeCount];
            var scope = 0;

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

                bits.ReadUInt16(out siz);
                var star = bits.Position;
                var 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)
                    {
                        var 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:
                {
                    var block = new BlockSym32();

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

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

                case SYM.S_UNAMESPACE:
                    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 4
0
        /// <summary>
        /// </summary>
        /// <param name="module">
        /// </param>
        /// <param name="bits">
        /// </param>
        /// <param name="limit">
        /// </param>
        /// <param name="readStrings">
        /// </param>
        /// <returns>
        /// </returns>
        internal static PdbFunction[] LoadManagedFunctions(string module, BitAccess bits, uint limit, bool readStrings)
        {
            var mod   = StripNamespace(module);
            var begin = bits.Position;
            var count = 0;

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

                bits.ReadUInt16(out siz);
                var star = bits.Position;
                var 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;
            var funcs = new PdbFunction[count];
            var func  = 0;

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

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

                switch ((SYM)rec)
                {
                case SYM.S_GMANPROC:
                case SYM.S_LMANPROC:
                    ManProcSym proc;
                    var        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 5
0
        /// <summary>
        /// </summary>
        /// <param name="block">
        /// </param>
        /// <param name="bits">
        /// </param>
        /// <param name="typind">
        /// </param>
        /// <exception cref="PdbException">
        /// </exception>
        /// <exception cref="Exception">
        /// </exception>
        internal PdbScope(BlockSym32 block, BitAccess bits, out uint typind)
        {
            this.segment = block.seg;
            this.address = block.off;
            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);
            this.constants = new PdbConstant[constantCount];
            this.scopes = new PdbScope[scopeCount];
            this.slots = new PdbSlot[slotCount];
            this.usedNamespaces = new string[namespaceCount];
            var constant = 0;
            var scope = 0;
            var slot = 0;
            var usedNs = 0;

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

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

                switch ((SYM)rec)
                {
                    case SYM.S_BLOCK32:
                        {
                            var 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;
                            this.scopes[scope++] = new PdbScope(sub, bits, out typind);
                            break;
                        }

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

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

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

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

                    default:
                        throw new PdbException("Unknown SYM in scope {0}", (SYM)rec);

                        // bits.Position = stop;
                }
            }

            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");
            }
        }