コード例 #1
0
ファイル: PdbFile.cs プロジェクト: vishalishere/GitLink
        private PdbInfo InternalInfo()
        {
            var info = new PdbInfo();

            using (var ms = new MemoryStream(ReadStreamBytes(GetRoot().Streams[1])))
                using (var br = new BinaryReader(ms))
                {
                    info.Version   = br.ReadInt32();             // 0x00 of stream
                    info.Signature = br.ReadInt32();             // 0x04
                    info.Age       = br.ReadInt32();             // 0x08
                    info.Guid      = new Guid(br.ReadBytes(16)); // 0x0C

                    var namesByteCount = br.ReadInt32();         // 0x16
                    var namesByteStart = br.BaseStream.Position; // 0x20
                    br.BaseStream.Position = namesByteStart + namesByteCount;

                    var nameCount = br.ReadInt32();
                    info.FlagIndexMax = br.ReadInt32();
                    info.FlagCount    = br.ReadInt32();

                    var flags = new int[info.FlagCount]; // bit flags for each nameCountMax
                    for (var i = 0; i < flags.Length; i++)
                    {
                        flags[i] = br.ReadInt32();
                    }

                    br.BaseStream.Position += 4; // 0
                    var positions = new List <Tuple <int, PdbName> >(nameCount);
                    for (var i = 0; i < info.FlagIndexMax; i++)
                    {
                        if ((flags[i / 32] & (1 << (i % 32))) != 0)
                        {
                            var position = br.ReadInt32();
                            var name     = new PdbName();
                            name.FlagIndex = i;
                            name.Stream    = br.ReadInt32();

                            positions.Add(new Tuple <int, PdbName>(position, name));
                        }
                    }

                    if (positions.Count != nameCount)
                    {
                        Log.ErrorAndThrowException <GitLinkException>("names count, {0} <> {1}", positions.Count, nameCount);
                    }

                    var tailByteCount = GetRoot().Streams[1].ByteCount - br.BaseStream.Position;
                    info.Tail = br.ReadBytes((int)tailByteCount);

                    foreach (var tuple in positions)
                    {
                        br.BaseStream.Position = namesByteStart + tuple.Item1;
                        tuple.Item2.Name       = br.ReadCString();
                        info.AddName(tuple.Item2);
                    }

                    return(info);
                }
        }
コード例 #2
0
ファイル: PdbFile.cs プロジェクト: mwatts/GitLink
        private PdbInfo InternalInfo()
        {
            var info = new PdbInfo();

            var root = GetRoot();
            if (root.Streams.Count <= 1)
            {
                throw Log.ErrorAndCreateException<GitLinkException>("Expected at least 2 streams inside the pdb root, but only found '{0}', cannot read pdb info",
                    root.Streams.Count);
            }

            using (var ms = new MemoryStream(ReadStreamBytes(root.Streams[1])))
            {
                using (var br = new BinaryReader(ms))
                {
                    info.Version = br.ReadInt32(); // 0x00 of stream
                    info.Signature = br.ReadInt32(); // 0x04
                    info.Age = br.ReadInt32(); // 0x08
                    info.Guid = new Guid(br.ReadBytes(16)); // 0x0C

                    var namesByteCount = br.ReadInt32(); // 0x16
                    var namesByteStart = br.BaseStream.Position; // 0x20
                    br.BaseStream.Position = namesByteStart + namesByteCount;

                    var nameCount = br.ReadInt32();
                    info.FlagIndexMax = br.ReadInt32();
                    info.FlagCount = br.ReadInt32();

                    var flags = new int[info.FlagCount]; // bit flags for each nameCountMax
                    for (var i = 0; i < flags.Length; i++)
                    {
                        flags[i] = br.ReadInt32();
                    }

                    br.BaseStream.Position += 4; // 0
                    var positions = new List<Tuple<int, PdbName>>(nameCount);
                    for (var i = 0; i < info.FlagIndexMax; i++)
                    {
                        var flagIndex = i / 32;
                        if (flagIndex >= flags.Length)
                        {
                            break;
                        }

                        var flag = flags[flagIndex];
                        if ((flag & (1 << (i % 32))) != 0)
                        {
                            var position = br.ReadInt32();
                            var name = new PdbName();
                            name.FlagIndex = i;
                            name.Stream = br.ReadInt32();

                            positions.Add(new Tuple<int, PdbName>(position, name));
                        }
                    }

                    if (positions.Count != nameCount)
                    {
                        throw Log.ErrorAndCreateException<GitLinkException>("names count, {0} <> {1}", positions.Count, nameCount);
                    }

                    var tailByteCount = GetRoot().Streams[1].ByteCount - br.BaseStream.Position;
                    info.Tail = br.ReadBytes((int) tailByteCount);

                    foreach (var tuple in positions)
                    {
                        br.BaseStream.Position = namesByteStart + tuple.Item1;
                        tuple.Item2.Name = br.ReadCString();
                        info.AddName(tuple.Item2);
                    }

                    return info;
                }
            }
        }