示例#1
0
 internal IntHashTableEnumerator(IntHashTable hashtable)
 {
     this.hashtable = hashtable;
     bucket         = hashtable.buckets.Length;
     version        = hashtable.version;
     current        = false;
 }
 internal IntHashTableEnumerator(IntHashTable hashtable) {
     this.hashtable = hashtable;
     bucket = hashtable.buckets.Length;
     version = hashtable.version;
     current = false;
 }
        static void LoadFuncsFromDbiModule(BitAccess bits,
                                           DbiModuleInfo info,
                                           IntHashTable names,
                                           ArrayList funcList,
                                           bool readStrings)
        {
            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,
                                 (uint)(info.cbSyms + info.cbOldLines + info.cbLines));

                for (int i = 0; i < funcs.Length; i++) {
                    funcList.Add(funcs[i]);
                }
            }
        }
        static IntHashTable LoadNameStream(BitAccess bits)
        {
            IntHashTable ht = new IntHashTable();

            uint sig;
            int ver;
            bits.ReadUInt32(out sig);   //  0..3  Signature
            bits.ReadInt32(out ver);    //  4..7  Version

            // Read (or skip) string buffer.
            int buf;
            bits.ReadInt32(out buf);    //  8..11 Bytes of Strings

            if (sig != 0xeffeeffe || ver != 1) {
                throw new PdbDebugException("Unsupported Name Stream version. "+
                                            "(sig={0:x8}, ver={1})",
                                            sig, ver);
            }
            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;
        }
        static void LoadManagedLines(PdbFunction[] funcs,
                                     IntHashTable names,
                                     BitAccess bits,
                                     uint limit)
        {
            Array.Sort(funcs, PdbFunction.byAddress);
            checks.Clear();

            // 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 = (string)names[(int)chk.name];
                            PdbSource src = new PdbSource((uint)ni, name);
                            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);
                        PdbFunction func = FindFunction(funcs, sec.sec, sec.off);

                        // 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.lines = new PdbLines[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];
                            PdbLines tmp = new PdbLines(src, file.count);
                            func.lines[block++] = tmp;
                            PdbLine[] 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 delta = (line.flags & 0x7f000000) >> 24;
                                bool statement = ((line.flags & 0x80000000) == 0);
                                if ((sec.flags & 1) != 0) {
                                    bits.Position = pcol + 4 * i;
                                    bits.ReadUInt16(out column.offColumnStart);
                                    bits.ReadUInt16(out column.offColumnEnd);
                                }

                                lines[i] = new PdbLine(line.offset,
                                                       line.flags & 0xffffff,
                                                       column.offColumnStart,
                                                       column.offColumnEnd);
                            }
                        }
                        break;
                    }
                }
                bits.Position = endSym;
            }
        }