Ejemplo n.º 1
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];
            usedNamespaces = new string[usedNamespacesCount];

            if (scope > 0)
            {
                scopes[0] = new PdbScope(this.address, proc.len, slots, constants, usedNamespaces);
            }

            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);
                                }
                            }
                        }
                        else if (name == "asyncMethodInfo")
                        {
                            this.synchronizationInformation = new PdbSynchronizationInformation(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:
                    slots[slot++] = new PdbSlot(bits);
                    bits.Position = stop;
                    break;

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

                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");
            }
        }
Ejemplo n.º 2
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);
                    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");
            }
        }