/// <summary>
/// Adds a CodeView entry.
/// </summary>
/// <param name="pdbPath">Path to the PDB. Shall not be empty.</param>
/// <param name="pdbContentId">Unique id of the PDB content.</param>
/// <param name="portablePdbVersion">Version of Portable PDB format (e.g. 0x0100 for 1.0), or 0 if the PDB is not portable.</param>
/// <exception cref="ArgumentNullException"><paramref name="pdbPath"/> is null.</exception>
/// <exception cref="ArgumentException"><paramref name="pdbPath"/> contains NUL character.</exception>
/// <exception cref="ArgumentOutOfRangeException"><paramref name="portablePdbVersion"/> is smaller than 0x0100.</exception>
public void AddCodeViewEntry(
string pdbPath,
BlobContentId pdbContentId,
ushort portablePdbVersion)
{
if (pdbPath == null)
{
Throw.ArgumentNull(nameof(pdbPath));
}
// We allow NUL characters to allow for padding for backward compat purposes.
if (pdbPath.Length == 0 || pdbPath.IndexOf('\0') == 0)
{
Throw.InvalidArgument(SR.ExpectedNonEmptyString, nameof(pdbPath));
}
if (portablePdbVersion > 0 && portablePdbVersion < PortablePdbVersions.MinFormatVersion)
{
Throw.ArgumentOutOfRange(nameof(portablePdbVersion));
}
int dataSize = WriteCodeViewData(_dataBuilder, pdbPath, pdbContentId.Guid);
AddEntry(
type: DebugDirectoryEntryType.CodeView,
version: (portablePdbVersion == 0) ? 0 : PortablePdbVersions.DebugDirectoryEntryVersion(portablePdbVersion),
stamp: pdbContentId.Stamp,
dataSize: dataSize);
}
public void Empty()
{
var b = new DebugDirectoryBuilder();
var id = new BlobContentId(new Guid("3C88E66E-E0B9-4508-9290-11E0DB51A1C5"), 0x12345678);
var blob = new BlobBuilder();
b.Serialize(blob, new SectionLocation(0x1000, 0x2000), 0x50);
AssertEx.Equal(new byte[0], blob.ToArray());
}
public void AddCodeViewEntry2()
{
var b = new DebugDirectoryBuilder();
var id = new BlobContentId(new Guid("3C88E66E-E0B9-4508-9290-11E0DB51A1C5"), 0x12345678);
b.AddCodeViewEntry("foo.pdb" + new string('\0', 260 - "foo.pdb".Length - 1), id, 0xABCD);
var blob = new BlobBuilder();
b.Serialize(blob, new SectionLocation(0x1000, 0x2000), 0x50);
var bytes = blob.ToArray();
AssertEx.Equal(new byte[]
{
0x00, 0x00, 0x00, 0x00, // Characteristics
0x78, 0x56, 0x34, 0x12, // Stamp
0xCD, 0xAB, 0x4D, 0x50, // Version
0x02, 0x00, 0x00, 0x00, // Type
0x1C, 0x01, 0x00, 0x00, // SizeOfData
0x6C, 0x10, 0x00, 0x00, // AddressOfRawData
0x6C, 0x20, 0x00, 0x00, // PointerToRawData
// data
(byte)'R', (byte)'S', (byte)'D', (byte)'S',
0x6E, 0xE6, 0x88, 0x3C, 0xB9, 0xE0, 0x08, 0x45, 0x92, 0x90, 0x11, 0xE0, 0xDB, 0x51, 0xA1, 0xC5, // GUID
0x01, 0x00, 0x00, 0x00, // age
(byte)'f', (byte)'o', (byte)'o', (byte)'.', (byte)'p', (byte)'d', (byte)'b', 0x00, // path
// path padding:
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
}, bytes);
using (var pinned = new PinnedBlob(bytes))
{
var actual = PEReader.ReadDebugDirectoryEntries(pinned.CreateReader(0, DebugDirectoryEntry.Size));
Assert.Equal(1, actual.Length);
Assert.Equal(id.Stamp, actual[0].Stamp);
Assert.Equal(0xABCD, actual[0].MajorVersion);
Assert.Equal(0x504d, actual[0].MinorVersion);
Assert.Equal(DebugDirectoryEntryType.CodeView, actual[0].Type);
Assert.Equal(0x0000011c, actual[0].DataSize);
Assert.Equal(0x0000106c, actual[0].DataRelativeVirtualAddress);
Assert.Equal(0x0000206c, actual[0].DataPointer);
}
}
public void EmbeddedPortablePdb()
{
string source = @"
using System;
class C
{
public static void Main()
{
Console.WriteLine();
}
}
";
var c = CreateCompilationWithMscorlib(Parse(source, "foo.cs"), options: TestOptions.DebugDll);
var peBlob = c.EmitToArray(EmitOptions.Default.WithDebugInformationFormat(DebugInformationFormat.Embedded).WithPdbFilePath(@"a/b/c/d.pdb"));
using (var peReader = new PEReader(peBlob))
{
var entries = peReader.ReadDebugDirectory();
AssertEx.Equal(new[] { DebugDirectoryEntryType.CodeView, DebugDirectoryEntryType.EmbeddedPortablePdb }, entries.Select(e => e.Type));
var codeView = entries[0];
var embedded = entries[1];
// EmbeddedPortablePdb entry:
Assert.Equal(0x0100, embedded.MajorVersion);
Assert.Equal(0x0100, embedded.MinorVersion);
Assert.Equal(0u, embedded.Stamp);
BlobContentId pdbId;
using (var embeddedMetadataProvider = peReader.ReadEmbeddedPortablePdbDebugDirectoryData(embedded))
{
var mdReader = embeddedMetadataProvider.GetMetadataReader();
AssertEx.Equal(new[] { "foo.cs" }, mdReader.Documents.Select(doc => mdReader.GetString(mdReader.GetDocument(doc).Name)));
pdbId = new BlobContentId(mdReader.DebugMetadataHeader.Id);
}
// CodeView entry:
var codeViewData = peReader.ReadCodeViewDebugDirectoryData(codeView);
Assert.Equal(0x0100, codeView.MajorVersion);
Assert.Equal(0x504D, codeView.MinorVersion);
Assert.Equal(pdbId.Stamp, codeView.Stamp);
Assert.Equal(pdbId.Guid, codeViewData.Guid);
Assert.Equal("d.pdb", codeViewData.Path);
}
}
public void AddCodeViewEntry(
string pdbPath,
BlobContentId pdbContentId,
ushort portablePdbVersion)
{
if (pdbPath == null)
{
Throw.ArgumentNull(nameof(pdbPath));
}
int dataSize = WriteCodeViewData(_dataBuilder, pdbPath, pdbContentId.Guid);
AddEntry(
type: DebugDirectoryEntryType.CodeView,
version: (portablePdbVersion == 0) ? 0 : PortablePdbVersions.DebugDirectoryEntryVersion(portablePdbVersion),
stamp: pdbContentId.Stamp,
dataSize: dataSize);
}
public void MultipleEntries()
{
var b = new DebugDirectoryBuilder();
var id = new BlobContentId(new Guid("3C88E66E-E0B9-4508-9290-11E0DB51A1C5"), 0x12345678);
b.AddReproducibleEntry();
b.AddCodeViewEntry("x", id, 0);
b.AddReproducibleEntry();
b.AddCodeViewEntry("y", id, 0xABCD);
var blob = new BlobBuilder();
b.Serialize(blob, new SectionLocation(0x1000, 0x2000), 0x50);
AssertEx.Equal(new byte[]
{
0x00, 0x00, 0x00, 0x00, // Characteristics
0x00, 0x00, 0x00, 0x00, // Stamp
0x00, 0x00, 0x00, 0x00, // Version
0x10, 0x00, 0x00, 0x00, // Type
0x00, 0x00, 0x00, 0x00, // SizeOfData
0x00, 0x00, 0x00, 0x00, // AddressOfRawData
0x00, 0x00, 0x00, 0x00, // PointerToRawData
0x00, 0x00, 0x00, 0x00, // Characteristics
0x78, 0x56, 0x34, 0x12, // Stamp
0x00, 0x00, 0x00, 0x00, // Version
0x02, 0x00, 0x00, 0x00, // Type
0x1A, 0x00, 0x00, 0x00, // SizeOfData
0xC0, 0x10, 0x00, 0x00, // AddressOfRawData
0xC0, 0x20, 0x00, 0x00, // PointerToRawData
0x00, 0x00, 0x00, 0x00, // Characteristics
0x00, 0x00, 0x00, 0x00, // Stamp
0x00, 0x00, 0x00, 0x00, // Version
0x10, 0x00, 0x00, 0x00, // Type
0x00, 0x00, 0x00, 0x00, // SizeOfData
0x00, 0x00, 0x00, 0x00, // AddressOfRawData
0x00, 0x00, 0x00, 0x00, // PointerToRawData
0x00, 0x00, 0x00, 0x00, // Characteristics
0x78, 0x56, 0x34, 0x12, // Stamp
0xCD, 0xAB, 0x4D, 0x50, // Version
0x02, 0x00, 0x00, 0x00, // Type
0x1A, 0x00, 0x00, 0x00, // SizeOfData
0xDA, 0x10, 0x00, 0x00, // AddressOfRawData
0xDA, 0x20, 0x00, 0x00, // PointerToRawData
// data
(byte)'R', (byte)'S', (byte)'D', (byte)'S',
0x6E, 0xE6, 0x88, 0x3C, 0xB9, 0xE0, 0x08, 0x45, 0x92, 0x90, 0x11, 0xE0, 0xDB, 0x51, 0xA1, 0xC5, // GUID
0x01, 0x00, 0x00, 0x00, // age
(byte)'x', 0x00, // path
// data
(byte)'R', (byte)'S', (byte)'D', (byte)'S',
0x6E, 0xE6, 0x88, 0x3C, 0xB9, 0xE0, 0x08, 0x45, 0x92, 0x90, 0x11, 0xE0, 0xDB, 0x51, 0xA1, 0xC5, // GUID
0x01, 0x00, 0x00, 0x00, // age
(byte)'y', 0x00, // path
}, blob.ToArray());
}
public void TryOpenAssociatedPortablePdb_BadStreamProvider()
{
var pdbBuilder = new BlobBuilder();
pdbBuilder.WriteBytes(PortablePdbs.DocumentsPdb);
var id = new BlobContentId(Guid.Parse("18091B06-32BB-46C2-9C3B-7C9389A2F6C6"), 0x12345678);
var ddBuilder = new DebugDirectoryBuilder();
ddBuilder.AddCodeViewEntry(@"/a/b/a.pdb", id, portablePdbVersion: 0x0100);
var peStream = new MemoryStream(TestBuilders.BuildPEWithDebugDirectory(ddBuilder));
using (var reader = new PEReader(peStream))
{
MetadataReaderProvider pdbProvider;
string pdbPath;
// pass-thru:
Assert.Throws<ArgumentException>(() =>
reader.TryOpenAssociatedPortablePdb(Path.Combine("pedir", "file.exe"), _ => { throw new ArgumentException(); }, out pdbProvider, out pdbPath));
Assert.Throws<InvalidOperationException>(() =>
reader.TryOpenAssociatedPortablePdb(Path.Combine("pedir", "file.exe"), _ => { return new TestStream(canRead: false, canWrite: true, canSeek: true); }, out pdbProvider, out pdbPath));
Assert.Throws<InvalidOperationException>(() =>
reader.TryOpenAssociatedPortablePdb(Path.Combine("pedir", "file.exe"), _ => { return new TestStream(canRead: true, canWrite: true, canSeek: false); }, out pdbProvider, out pdbPath));
}
}
public void TryOpenAssociatedPortablePdb_ExpectedExceptionFromStreamProvider_NoFallback()
{
var pdbBuilder = new BlobBuilder();
pdbBuilder.WriteBytes(PortablePdbs.DocumentsPdb);
var id = new BlobContentId(Guid.Parse("18091B06-32BB-46C2-9C3B-7C9389A2F6C6"), 0x12345678);
var ddBuilder = new DebugDirectoryBuilder();
ddBuilder.AddCodeViewEntry(@"/a/b/a.pdb", id, portablePdbVersion: 0x0100);
var peStream = new MemoryStream(TestBuilders.BuildPEWithDebugDirectory(ddBuilder));
using (var reader = new PEReader(peStream))
{
MetadataReaderProvider pdbProvider;
string pdbPath;
Assert.Throws<IOException>(() =>
reader.TryOpenAssociatedPortablePdb(Path.Combine("pedir", "file.exe"), _ => { throw new IOException(); }, out pdbProvider, out pdbPath));
AssertEx.Throws<BadImageFormatException>(() =>
reader.TryOpenAssociatedPortablePdb(Path.Combine("pedir", "file.exe"), _ => { throw new BadImageFormatException("Bang!"); }, out pdbProvider, out pdbPath),
e => Assert.Equal("Bang!", e.Message));
// file doesn't exist and no embedded => return false
Assert.False(reader.TryOpenAssociatedPortablePdb(Path.Combine("pedir", "file.exe"), _ => { throw new FileNotFoundException(); }, out pdbProvider, out pdbPath));
}
}
public void TryOpenAssociatedPortablePdb_ExpectedExceptionFromStreamProvider_FallbackOnEmbedded_Valid()
{
var pdbBuilder = new BlobBuilder();
pdbBuilder.WriteBytes(PortablePdbs.DocumentsPdb);
var id = new BlobContentId(Guid.Parse("18091B06-32BB-46C2-9C3B-7C9389A2F6C6"), 0x12345678);
var ddBuilder = new DebugDirectoryBuilder();
ddBuilder.AddCodeViewEntry(@"/a/b/a.pdb", id, portablePdbVersion: 0x0100);
ddBuilder.AddEmbeddedPortablePdbEntry(pdbBuilder, portablePdbVersion: 0x0100);
var peStream = new MemoryStream(TestBuilders.BuildPEWithDebugDirectory(ddBuilder));
using (var reader = new PEReader(peStream))
{
MetadataReaderProvider pdbProvider;
string pdbPath;
Assert.True(reader.TryOpenAssociatedPortablePdb(Path.Combine("pedir", "file.exe"), _ => { throw new IOException(); }, out pdbProvider, out pdbPath));
Assert.Null(pdbPath);
Assert.Equal(13, pdbProvider.GetMetadataReader().Documents.Count);
Assert.True(reader.TryOpenAssociatedPortablePdb(Path.Combine("pedir", "file.exe"), _ => { throw new BadImageFormatException(); }, out pdbProvider, out pdbPath));
Assert.Null(pdbPath);
Assert.Equal(13, pdbProvider.GetMetadataReader().Documents.Count);
Assert.True(reader.TryOpenAssociatedPortablePdb(Path.Combine("pedir", "file.exe"), _ => { throw new FileNotFoundException(); }, out pdbProvider, out pdbPath));
Assert.Null(pdbPath);
Assert.Equal(13, pdbProvider.GetMetadataReader().Documents.Count);
}
}
public void TryOpenAssociatedPortablePdb_BadPdbFile_FallbackToEmbedded()
{
var pdbBuilder = new BlobBuilder();
pdbBuilder.WriteBytes(PortablePdbs.DocumentsPdb);
var id = new BlobContentId(Guid.Parse("18091B06-32BB-46C2-9C3B-7C9389A2F6C6"), 0x12345678);
var ddBuilder = new DebugDirectoryBuilder();
ddBuilder.AddCodeViewEntry(@"/a/b/a.pdb", id, portablePdbVersion: 0x0100);
ddBuilder.AddEmbeddedPortablePdbEntry(pdbBuilder, portablePdbVersion: 0x0100);
var peStream = new MemoryStream(TestBuilders.BuildPEWithDebugDirectory(ddBuilder));
using (var reader = new PEReader(peStream))
{
string pathQueried = null;
Func<string, Stream> streamProvider = p =>
{
Assert.Null(pathQueried);
pathQueried = p;
// Bad PDB
return new MemoryStream(new byte[] { 0x01 });
};
MetadataReaderProvider pdbProvider;
string pdbPath;
Assert.True(reader.TryOpenAssociatedPortablePdb(Path.Combine("pedir", "file.exe"), streamProvider, out pdbProvider, out pdbPath));
Assert.Null(pdbPath);
Assert.Equal(PathUtilities.CombinePathWithRelativePath("pedir", "a.pdb"), pathQueried);
Assert.Equal(13, pdbProvider.GetMetadataReader().Documents.Count);
}
}
public void TryOpenAssociatedPortablePdb_DuplicateEntries_CodeView()
{
var id = new BlobContentId(Guid.Parse("18091B06-32BB-46C2-9C3B-7C9389A2F6C6"), 0x12345678);
var ddBuilder = new DebugDirectoryBuilder();
ddBuilder.AddCodeViewEntry(@"/a/b/a.pdb", id, portablePdbVersion: 0);
ddBuilder.AddReproducibleEntry();
ddBuilder.AddCodeViewEntry(@"/a/b/c.pdb", id, portablePdbVersion: 0x0100);
ddBuilder.AddCodeViewEntry(@"/a/b/d.pdb", id, portablePdbVersion: 0x0100);
var peStream = new MemoryStream(TestBuilders.BuildPEWithDebugDirectory(ddBuilder));
using (var reader = new PEReader(peStream))
{
string pathQueried = null;
Func<string, Stream> streamProvider = p =>
{
Assert.Null(pathQueried);
pathQueried = p;
return null;
};
MetadataReaderProvider pdbProvider;
string pdbPath;
Assert.False(reader.TryOpenAssociatedPortablePdb(Path.Combine("pedir", "file.exe"), streamProvider, out pdbProvider, out pdbPath));
Assert.Equal(PathUtilities.CombinePathWithRelativePath("pedir", "c.pdb"), pathQueried);
}
}
public void Serialize(BlobBuilder builder, out BlobContentId contentId)
{
// Define and serialize sections in two steps.
// We need to know about all sections before serializing them.
var serializedSections = SerializeSections();
// The positions and sizes of directories are calculated during section serialization.
var directories = GetDirectories();
Blob stampFixup;
WritePESignature(builder);
WriteCoffHeader(builder, serializedSections, out stampFixup);
WritePEHeader(builder, directories, serializedSections);
WriteSectionHeaders(builder, serializedSections);
builder.Align(Header.FileAlignment);
foreach (var section in serializedSections)
{
builder.LinkSuffix(section.Builder);
builder.Align(Header.FileAlignment);
}
contentId = IdProvider(builder.GetBlobs());
// patch timestamp in COFF header:
var stampWriter = new BlobWriter(stampFixup);
stampWriter.WriteUInt32(contentId.Stamp);
Debug.Assert(stampWriter.RemainingBytes == 0);
}