internal static SymReader CreateFromFile(string path, LazyMetadataImport metadataImport) { var pdbStream = PortableShim.FileStream.CreateReadShareDelete(path); var provider = MetadataReaderProvider.FromPortablePdbStream(pdbStream); return(new SymReader(new PortablePdbReader(provider, metadataImport))); }
private bool TryCreateReaderForMatchingPdb( string pdbFilePath, Guid guid, uint stamp, int age, LazyMetadataImport metadataImport, out ISymUnmanagedReader reader) { try { if (PortableShim.File.Exists(pdbFilePath)) { var symReader = SymReader.CreateFromFile(pdbFilePath, metadataImport); reader = symReader; return(symReader.PdbReader.MatchesModule(guid, stamp, age)); } } catch { // nop } reader = null; return(false); }
public void Dispose() { _metadataReaderProvider?.Dispose(); _metadataReaderProvider = null; _lazyMetadataImport?.Dispose(); _lazyMetadataImport = null; }
internal static ISymUnmanagedReader CreateFromStream(IStream stream, LazyMetadataImport metadataImport) { byte[] bytes; int size; stream.ReadAllBytes(out bytes, out size); return new SymReader(new PortablePdbReader(bytes, size, metadataImport)); }
internal PortablePdbReader(byte[] buffer, int size, LazyMetadataImport metadataImport) { Debug.Assert(metadataImport != null); _metadataReader = CreateMetadataReader(buffer, size, out _pinnedImage); _lazyMetadataImport = metadataImport; ImageSize = size; }
internal PortablePdbReader(byte[] buffer, int size, LazyMetadataImport metadataImport) { Debug.Assert(metadataImport != null); _metadataReader = CreateMetadataReader(buffer, size, out _pinnedImage); _lazyMetadataImport = metadataImport; ImageSize = size; }
internal static ISymUnmanagedReader CreateFromStream(IStream stream, LazyMetadataImport metadataImport) { byte[] bytes; int size; stream.ReadAllBytes(out bytes, out size); return(new SymReader(new PortablePdbReader(bytes, size, metadataImport))); }
public void Dispose() { if (!IsDisposed) { _pinnedImage.Free(); _lazyMetadataImport.Dispose(); _lazyMetadataImport = null; } }
private bool TryFindMatchingPdb( string searchPaths, string peFileExtension, // with no leading . string pdbFileName, Guid guid, uint stamp, int age, LazyMetadataImport metadataImport, SymUnmanagedSearchPolicy searchPolicy, out ISymUnmanagedReader reader) { if (searchPaths == null) { reader = null; return(false); } foreach (var searchPath in searchPaths.Split(s_searchPathSeparators, StringSplitOptions.RemoveEmptyEntries)) { // TODO: check symsrv policy if (searchPath.StartsWith("SRV*", StringComparison.OrdinalIgnoreCase)) { // TODO: continue; } if (searchPath.StartsWith("SYMSRV*", StringComparison.OrdinalIgnoreCase)) { // TODO: continue; } if (searchPath.StartsWith("CACHE*", StringComparison.OrdinalIgnoreCase)) { // TODO: continue; } foreach (var subdir in GetSearchPathSubdirectories(searchPath, peFileExtension)) { if (TryCreateReaderForMatchingPdb(Path.Combine(subdir, pdbFileName), guid, stamp, age, metadataImport, out reader)) { return(true); } } } reader = null; return(false); }
internal static SymReader CreateFromFile(string path, LazyMetadataImport metadataImport) { byte[] bytes; try { // TODO: use memory mapped files? bytes = PortableShim.File.ReadAllBytes(path); } catch { return null; } return new SymReader(new PortablePdbReader(bytes, bytes.Length, metadataImport)); }
internal static SymReader CreateFromFile(string path, LazyMetadataImport metadataImport) { byte[] bytes; try { // TODO: use memory mapped files? bytes = PortableShim.File.ReadAllBytes(path); } catch { return(null); } return(new SymReader(new PortablePdbReader(bytes, bytes.Length, metadataImport))); }
/// Takes ownership of <paramref name="pdbReader"/> and <paramref name="metadataImport"/>. internal SymReader(PortablePdbReader pdbReader, LazyMetadataImport metadataImport) { Debug.Assert(pdbReader != null); Debug.Assert(metadataImport != null); pdbReader.SymReader = this; _pdbReaders = new List <PortablePdbReader>() { pdbReader }; _metadataImport = metadataImport; _lazyDocumentMap = new Lazy <DocumentMap>(() => new DocumentMap(_pdbReaders[0].MetadataReader)); _methodMap = new Lazy <MethodMap>(() => new MethodMap(_pdbReaders[0])); _lazyMethodExtents = new Lazy <MethodExtents>(() => new MethodExtents(_pdbReaders[0])); _lazyVbSemantics = new Lazy <bool>(() => IsVisualBasicAssembly()); }
/// <summary> /// The method takes ownership of the <paramref name="provider"/> upon entry and disposes it in case of a failure to construct the reader. /// </summary> internal PortablePdbReader(MetadataReaderProvider provider, LazyMetadataImport metadataImport) { Debug.Assert(metadataImport != null); Debug.Assert(provider != null); try { _metadataReader = provider.GetMetadataReader(); } finally { // dispose the provider on error: if (_metadataReader == null) { provider.Dispose(); } } _metadataReaderProvider = provider; _lazyMetadataImport = metadataImport; }
private bool TryCreateReaderForMatchingPdb( string pdbFilePath, Guid guid, uint stamp, int age, LazyMetadataImport metadataImport, out ISymUnmanagedReader reader) { if (PortableShim.File.Exists(pdbFilePath)) { SymReader symReader; try { symReader = SymReader.CreateFromFile(pdbFilePath, metadataImport); } catch { reader = null; return(false); } try { if (symReader.PdbReader.MatchesModule(guid, stamp, age)) { reader = symReader; symReader = null; return(true); } } finally { symReader?.Destroy(); } } reader = null; return(false); }
private bool TryCreateReaderForMatchingPdb( string pdbFilePath, Guid guid, uint stamp, int age, LazyMetadataImport metadataImport, out ISymUnmanagedReader reader) { if (PortableShim.File.Exists(pdbFilePath)) { PortablePdbReader pdbReader; try { pdbReader = new PortablePdbReader(SymReader.CreateProviderFromFile(pdbFilePath), version: 1, previousDocumentCount: 0); } catch { reader = null; return(false); } try { if (pdbReader.MatchesModule(guid, stamp, age)) { reader = new SymReader(pdbReader, metadataImport); pdbReader = null; return(true); } } finally { pdbReader?.Dispose(); } } reader = null; return(false); }
private bool TryCreateReaderForMatchingPdb( string pdbFilePath, Guid guid, uint stamp, int age, LazyMetadataImport metadataImport, out ISymUnmanagedReader reader) { try { if (PortableShim.File.Exists(pdbFilePath)) { var symReader = SymReader.CreateFromFile(pdbFilePath, metadataImport); reader = symReader; return symReader.PdbReader.MatchesModule(guid, stamp, age); } } catch { // nop } reader = null; return false; }
internal static ISymUnmanagedReader CreateFromStream(IStream stream, LazyMetadataImport metadataImport) { return(new SymReader(new PortablePdbReader(CreateProviderFromStream(stream), version: 1, previousDocumentCount: 0), metadataImport)); }
internal static SymReader CreateFromFile(string path, LazyMetadataImport metadataImport) { return(new SymReader(new PortablePdbReader(CreateProviderFromFile(path), version: 1, previousDocumentCount: 0), metadataImport)); }
public void Dispose() { if (!IsDisposed) { _pinnedImage.Free(); _lazyMetadataImport.Dispose(); _lazyMetadataImport = null; } }
internal static ISymUnmanagedReader CreateFromStream(IStream stream, LazyMetadataImport metadataImport) { var interopStream = new ReadOnlyInteropStream(stream); var header = new byte[2 * sizeof(int)]; int bytesRead = interopStream.TryReadAll(header, 0, header.Length); MetadataReaderProvider provider; // detect Embedded Portable PDB signature: if (bytesRead == header.Length && header[0] == 'M' && header[1] == 'P' && header[2] == 'D' && header[3] == 'B') { int size = BitConverter.ToInt32(header, startIndex: sizeof(int)); // TODO: We could avoid allocating managed memory here if FromPortablePdbImage accepted non-seekable stream in prefetch mode. // The implemenation in S.R.M. allocates native memory. byte[] decompressed; try { decompressed = new byte[size]; } catch { throw new BadImageFormatException(); } var deflate = new DeflateStream(interopStream, CompressionMode.Decompress, leaveOpen: true); if (size > 0) { int actualLength; try { actualLength = deflate.TryReadAll(decompressed, 0, decompressed.Length); } catch (InvalidDataException e) { throw new BadImageFormatException(e.Message, e.InnerException); } if (actualLength != decompressed.Length) { throw new BadImageFormatException(); } } // Check that there is no more compressed data left, // in case the decompressed size specified in the header is smaller // than the actual decompressed size of the data. if (deflate.ReadByte() != -1) { throw new BadImageFormatException(); } provider = MetadataReaderProvider.FromPortablePdbImage(ImmutableByteArrayInterop.DangerousCreateFromUnderlyingArray(ref decompressed)); } else { interopStream.Position = 0; provider = MetadataReaderProvider.FromPortablePdbStream(interopStream); } return(new SymReader(new PortablePdbReader(provider, metadataImport))); }
private bool TryFindMatchingPdb( string searchPaths, string peFileExtension, // with no leading . string pdbFileName, Guid guid, uint stamp, int age, LazyMetadataImport metadataImport, SymUnmanagedSearchPolicy searchPolicy, out ISymUnmanagedReader reader) { if (searchPaths == null) { reader = null; return false; } foreach (var searchPath in searchPaths.Split(SearchPathSeparators, StringSplitOptions.RemoveEmptyEntries)) { // TODO: check symsrv policy if (searchPath.StartsWith("SRV*", StringComparison.OrdinalIgnoreCase)) { // TODO: continue; } if (searchPath.StartsWith("SYMSRV*", StringComparison.OrdinalIgnoreCase)) { // TODO: continue; } if (searchPath.StartsWith("CACHE*", StringComparison.OrdinalIgnoreCase)) { // TODO: continue; } foreach (var subdir in GetSearchPathSubdirectories(searchPath, peFileExtension)) { if (TryCreateReaderForMatchingPdb(Path.Combine(subdir, pdbFileName), guid, stamp, age, metadataImport, out reader)) { return true; } } } reader = null; return false; }
public int GetReaderForFile2( [MarshalAs(UnmanagedType.Interface)] object metadataImport, [MarshalAs(UnmanagedType.LPWStr)] string fileName, [MarshalAs(UnmanagedType.LPWStr)] string searchPath, SymUnmanagedSearchPolicy searchPolicy, [MarshalAs(UnmanagedType.Interface)] out ISymUnmanagedReader reader) { reader = null; try { var mdImport = metadataImport as IMetadataImport; if (mdImport == null || string.IsNullOrEmpty(fileName)) { return(HResult.E_INVALIDARG); } // See DIA: FLocatePdbDefault, FLocateCvFilePathHelper, FLocatePdbSymsrv, FLocateCvFilePathHelper // // 1) Try open Combine(<PE directory>, <PDB file name>) (unless RestrictReferencePath) // 2) Try open PDB path (unless RestrictOriginalPath) // 3) Search Paths - semicolon separated paths // a) searchPath parameter // b) registry (unless RestrictRegistry) // Use search paths from registry Software\Microsoft\VisualStudio\MSPDB, value SymbolSearchPath // with environment variables expanded (ExpandEnvironmentStrings) // i) try USER // ii) try MACHINE // c) environment vars // i) _NT_ALT_SYMBOL_PATH // ii) _NT_SYMBOL_PATH // ii) SystemRoot (unless RestrictSystemRoot) // // for each search path: // special paths: SRV*<server>, SYMSRV*SYMSRV.DLL*<server> => symbol server (unless RestrictSymsrv) // CACHE*<cache> => sym cache (unless RestrictSymsrv) // // A) try open <path>\symbols\<PE file extension>\<PDB file name> // B) try open <path>\<PE file extension>\<PDB file name> // C) try open <path>\<PDB file name> // // Each attempt checks if PDB ID matches. // // Search policy: all is restricted unless explicitly allowed. // After opened store to cache if CACHE* given (only the first cache?) if (!TryReadCodeViewData(fileName, out var codeViewData, out uint stamp)) { return(HResult.E_FAIL); // TODO: specific error code (ecToHresult)? } Guid guid = codeViewData.Guid; int age = codeViewData.Age; string pdbFileName = Path.GetFileName(codeViewData.Path); var lazyImport = new LazyMetadataImport(mdImport); // 1) next to the PE file if ((searchPolicy & SymUnmanagedSearchPolicy.AllowReferencePathAccess) != 0) { string peDirectory = Path.GetDirectoryName(fileName); string pdbFilePath = Path.Combine(peDirectory, pdbFileName); if (TryCreateReaderForMatchingPdb(pdbFilePath, guid, stamp, age, lazyImport, out reader)) { return(HResult.S_OK); } } // 2) PDB path as specified in Debug Directory if ((searchPolicy & SymUnmanagedSearchPolicy.AllowOriginalPathAccess) != 0) { if (TryCreateReaderForMatchingPdb(codeViewData.Path, guid, stamp, age, lazyImport, out reader)) { return(HResult.S_OK); } } // 3) Search Paths string peFileExtension = Path.GetExtension(fileName).TrimStart('.'); foreach (var searchPaths in GetSearchPathsSequence(searchPath, searchPolicy)) { if (TryFindMatchingPdb(searchPaths, peFileExtension, pdbFileName, guid, stamp, age, lazyImport, searchPolicy, out reader)) { return(HResult.S_OK); } } return(HResult.E_PDB_NOT_FOUND); } finally { InteropUtilities.TransferOwnershipOrRelease(ref metadataImport, reader); } }
public int GetReaderForFile2( [MarshalAs(UnmanagedType.Interface)]object metadataImport, [MarshalAs(UnmanagedType.LPWStr)]string fileName, [MarshalAs(UnmanagedType.LPWStr)]string searchPath, SymUnmanagedSearchPolicy searchPolicy, [MarshalAs(UnmanagedType.Interface)]out ISymUnmanagedReader reader) { reader = null; try { var mdImport = metadataImport as IMetadataImport; if (mdImport == null || string.IsNullOrEmpty(fileName)) { return HResult.E_INVALIDARG; } // See DIA: FLocatePdbDefault, FLocateCvFilePathHelper, FLocatePdbSymsrv, FLocateCvFilePathHelper // // 1) Try open Combine(<PE directory>, <PDB file name>) (unless RestrictReferencePath) // 2) Try open PDB path (unless RestrictOriginalPath) // 3) Search Paths - semicolon separated paths // a) searchPath parameter // b) registry (unless RestrictRegistry) // Use search paths from registry Software\Microsoft\VisualStudio\MSPDB, value SymbolSearchPath // with environment variables expanded (ExpandEnvironmentStrings) // i) try USER // ii) try MACHINE // c) environment vars // i) _NT_ALT_SYMBOL_PATH // ii) _NT_SYMBOL_PATH // ii) SystemRoot (unless RestrictSystemRoot) // // for each search path: // special paths: SRV*<server>, SYMSRV*SYMSRV.DLL*<server> => symbol server (unless RestrictSymsrv) // CACHE*<cache> => sym cache (unless RestrictSymsrv) // // A) try open <path>\symbols\<PE file extension>\<PDB file name> // B) try open <path>\<PE file extension>\<PDB file name> // C) try open <path>\<PDB file name> // // Each attempt checks if PDB ID matches. // // Search policy: all is restricted unless explicitly allowed. // After opened store to cache if CACHE* given (only the first cache?) CodeViewDebugDirectoryData codeViewData; uint stamp; if (!TryReadCodeViewData(fileName, out codeViewData, out stamp)) { return HResult.E_FAIL; // TODO: specific error code (ecToHresult)? } Guid guid = codeViewData.PdbId; int age = codeViewData.Age; string pdbFileName = Path.GetFileName(codeViewData.Path); var lazyImport = new LazyMetadataImport(mdImport); // 1) next to the PE file if ((searchPolicy & SymUnmanagedSearchPolicy.AllowReferencePathAccess) != 0) { string peDirectory = Path.GetDirectoryName(fileName); string pdbFilePath = Path.Combine(peDirectory, pdbFileName); if (TryCreateReaderForMatchingPdb(pdbFilePath, guid, stamp, age, lazyImport, out reader)) { return HResult.S_OK; } } // 2) PDB path as specified in Debug Directory if ((searchPolicy & SymUnmanagedSearchPolicy.AllowOriginalPathAccess) != 0) { if (TryCreateReaderForMatchingPdb(codeViewData.Path, guid, stamp, age, lazyImport, out reader)) { return HResult.S_OK; } } // 3) Search Paths string peFileExtension = Path.GetExtension(fileName).TrimStart('.'); foreach (var searchPaths in GetSearchPathsSequence(searchPath, searchPolicy)) { if (TryFindMatchingPdb(searchPaths, peFileExtension, pdbFileName, guid, stamp, age, lazyImport, searchPolicy, out reader)) { return HResult.S_OK; } } return HResult.E_PDB_NOT_FOUND; } finally { InteropUtilities.TransferOwnershipOrRelease(ref metadataImport, reader); } }