Exemplo n.º 1
0
		void ReadLines(PdbReader reader, IImageStream stream) {
			var docs = new Dictionary<long, DbiDocument>();

			stream.Position = 0;
			while (stream.Position < stream.Length) {
				var sig = (ModuleStreamType)stream.ReadUInt32();
				var size = stream.ReadUInt32();
				var begin = stream.Position;
				var end = (begin + size + 3) & ~3;

				if (sig == ModuleStreamType.FileInfo)
					ReadFiles(reader, docs, stream, end);

				stream.Position = end;
			}

			var sortedFuncs = new DbiFunction[Functions.Count];
			Functions.CopyTo(sortedFuncs, 0);
			Array.Sort(sortedFuncs, (a, b) => a.Address.CompareTo(b.Address));

			stream.Position = 0;
			while (stream.Position < stream.Length) {
				var sig = (ModuleStreamType)stream.ReadUInt32();
				var size = stream.ReadUInt32();
				var begin = stream.Position;
				var end = begin + size;

				if (sig == ModuleStreamType.Lines)
					ReadLines(sortedFuncs, docs, stream, end);

				stream.Position = end;
			}
		}
Exemplo n.º 2
0
		public void LoadFunctions(PdbReader reader, IImageStream stream) {
			stream.Position = 0;
			using (var substream = stream.Create(stream.FileOffset + stream.Position, cbSyms))
				ReadFunctions(substream);

			if (Functions.Count > 0) {
				stream.Position += cbSyms + cbOldLines;
				using (var substream = stream.Create(stream.FileOffset + stream.Position, cbLines))
					ReadLines(reader, substream);
			}
		}
Exemplo n.º 3
0
		/// <summary>
		/// Creates a new <see cref="ISymbolReader"/> instance
		/// </summary>
		/// <param name="pdbStream">PDB file stream which is now owned by this method</param>
		/// <returns>A new <see cref="ISymbolReader"/> instance or <c>null</c>.</returns>
		public static ISymbolReader Create(IImageStream pdbStream) {
			if (pdbStream == null)
				return null;
			try {
				var pdbReader = new PdbReader();
				pdbReader.Read(pdbStream);
				return pdbReader;
			}
			catch (IOException) {
			}
			catch (UnauthorizedAccessException) {
			}
			catch (SecurityException) {
			}
			finally {
				if (pdbStream != null)
					pdbStream.Dispose();
			}
			return null;
		}
Exemplo n.º 4
0
        public void Read(RecursionCounter counter, IImageStream stream, uint scopeEnd)
        {
            if (!counter.Increment())
            {
                throw new PdbException("Scopes too deep");
            }

            while (stream.Position < scopeEnd)
            {
                var size  = stream.ReadUInt16();
                var begin = stream.Position;
                var end   = begin + size;

                var      type     = (SymbolType)stream.ReadUInt16();
                DbiScope child    = null;
                uint?    childEnd = null;
                string   name;
                switch (type)
                {
                case SymbolType.S_BLOCK32: {
                    stream.Position += 4;
                    childEnd         = stream.ReadUInt32();
                    var len  = stream.ReadUInt32();
                    var addr = PdbAddress.ReadAddress(stream);
                    name  = PdbReader.ReadCString(stream);
                    child = new DbiScope(method, this, name, addr.Offset, len);
                    break;
                }

                case SymbolType.S_UNAMESPACE:
                    namespacesList.Add(new DbiNamespace(PdbReader.ReadCString(stream)));
                    break;

                case SymbolType.S_MANSLOT: {
                    var variable = new DbiVariable();
                    variable.Read(stream);
                    localsList.Add(variable);
                    break;
                }

                case SymbolType.S_OEM:
                    if (stream.Position + 20 > end)
                    {
                        break;
                    }
                    if (!ReadAndCompareBytes(stream, end, dotNetOemGuid))
                    {
                        Debug.Fail("Unknown OEM record GUID, not .NET GUID");
                        break;
                    }
                    stream.Position += 4;                            // typeIndex or 0
                    name             = ReadUnicodeString(stream, end);
                    Debug.Assert(name != null);
                    if (name == null)
                    {
                        break;
                    }
                    var data = stream.ReadBytes((int)(end - stream.Position));
                    if (oemInfos == null)
                    {
                        oemInfos = new List <OemInfo>(1);
                    }
                    oemInfos.Add(new OemInfo(name, data));
                    break;

                case SymbolType.S_MANCONSTANT:
                    uint   signatureToken = stream.ReadUInt32();
                    object value;
                    if (!NumericReader.TryReadNumeric(stream, end, out value))
                    {
                        break;
                    }
                    name = PdbReader.ReadCString(stream);
                    if (constants == null)
                    {
                        constants = new List <ConstantInfo>();
                    }
                    constants.Add(new ConstantInfo(name, signatureToken, value));
                    break;

                case SymbolType.S_END:
                    break;

                default:
                    break;
                }

                stream.Position = end;
                if (child != null)
                {
                    child.Read(counter, stream, childEnd.Value);
                    childrenList.Add(child);
                    child = null;
                }
            }
            counter.Decrement();
            if (stream.Position != scopeEnd)
            {
                Debugger.Break();
            }
        }
Exemplo n.º 5
0
        void ReadFiles(PdbReader reader, Dictionary<long, DbiDocument> documents, IImageStream stream, long end)
        {
            var begin = stream.Position;
            while (stream.Position < end) {
                var id = stream.Position - begin;

                var nameId = stream.ReadUInt32();
                var len = stream.ReadByte();
                /*var type = */stream.ReadByte();
                var doc = reader.GetDocument(nameId);
                documents.Add(id, doc);

                stream.Position += len;
                stream.Position = (stream.Position + 3) & (~3);
            }
        }