/// <summary>
/// Reads all Debug Directory table entries.
/// </summary>
/// <exception cref="BadImageFormatException">Bad format of the entry.</exception>
/// <exception cref="IOException">IO error while reading from the underlying stream.</exception>
/// <exception cref="InvalidOperationException">PE image not available.</exception>
public ImmutableArray <DebugDirectoryEntry> ReadDebugDirectory()
{
Debug.Assert(PEHeaders.PEHeader != null);
var debugDirectory = PEHeaders.PEHeader.DebugTableDirectory;
if (debugDirectory.Size == 0)
{
return(ImmutableArray <DebugDirectoryEntry> .Empty);
}
int position;
if (!PEHeaders.TryGetDirectoryOffset(debugDirectory, out position))
{
throw new BadImageFormatException(SR.InvalidDirectoryRVA);
}
if (debugDirectory.Size % DebugDirectoryEntry.Size != 0)
{
throw new BadImageFormatException(SR.InvalidDirectorySize);
}
using (AbstractMemoryBlock block = GetPEImage().GetMemoryBlock(position, debugDirectory.Size))
{
return(ReadDebugDirectoryEntries(block.GetReader()));
}
}
/// <summary>
/// Reads all Debug Directory table entries.
/// </summary>
/// <exception cref="BadImageFormatException">Bad format of the entry.</exception>
/// <exception cref="IOException">IO error while reading from the underlying stream.</exception>
public unsafe ImmutableArray <DebugDirectoryEntry> ReadDebugDirectory()
{
var debugDirectory = PEHeaders.PEHeader.DebugTableDirectory;
if (debugDirectory.Size == 0)
{
return(ImmutableArray <DebugDirectoryEntry> .Empty);
}
int position;
if (!PEHeaders.TryGetDirectoryOffset(debugDirectory, out position))
{
throw new BadImageFormatException(SR.InvalidDirectoryRVA);
}
if (debugDirectory.Size % DebugDirectoryEntry.Size != 0)
{
throw new BadImageFormatException(SR.InvalidDirectorySize);
}
using (AbstractMemoryBlock block = _peImage.GetMemoryBlock(position, debugDirectory.Size))
{
var reader = new BlobReader(block.Pointer, block.Size);
return(ReadDebugDirectoryEntries(reader));
}
}
/// <summary>
/// Reads all Debug Directory table entries.
/// </summary>
/// <exception cref="BadImageFormatException">Bad format of the entry.</exception>
public unsafe ImmutableArray <DebugDirectoryEntry> ReadDebugDirectory()
{
var debugDirectory = PEHeaders.PEHeader.DebugTableDirectory;
if (debugDirectory.Size == 0)
{
return(ImmutableArray <DebugDirectoryEntry> .Empty);
}
int position;
if (!PEHeaders.TryGetDirectoryOffset(debugDirectory, out position))
{
throw new BadImageFormatException(SR.InvalidDirectoryRVA);
}
const int entrySize = 0x1c;
if (debugDirectory.Size % entrySize != 0)
{
throw new BadImageFormatException(SR.InvalidDirectorySize);
}
using (AbstractMemoryBlock block = _peImage.GetMemoryBlock(position, debugDirectory.Size))
{
var reader = new BlobReader(block.Pointer, block.Size);
int entryCount = debugDirectory.Size / entrySize;
var builder = ImmutableArray.CreateBuilder <DebugDirectoryEntry>(entryCount);
for (int i = 0; i < entryCount; i++)
{
// Reserved, must be zero.
int characteristics = reader.ReadInt32();
if (characteristics != 0)
{
throw new BadImageFormatException(SR.InvalidDebugDirectoryEntryCharacteristics);
}
uint stamp = reader.ReadUInt32();
ushort majorVersion = reader.ReadUInt16();
ushort minorVersion = reader.ReadUInt16();
var type = (DebugDirectoryEntryType)reader.ReadInt32();
int dataSize = reader.ReadInt32();
int dataRva = reader.ReadInt32();
int dataPointer = reader.ReadInt32();
builder.Add(new DebugDirectoryEntry(stamp, majorVersion, minorVersion, type, dataSize, dataRva, dataPointer));
}
return(builder.MoveToImmutable());
}
}