private IModule ReadModule()
{
if (Info.StreamNumber < 0)
{
return(null);
}
byte[] modData = StreamTable.GetStream(Info.StreamNumber);
OnModuleData?.Invoke(Info, modData);
SpanStream modStream = new SpanStream(modData);
UInt32 signature = modStream.ReadUInt32();
modStream.Position = 0;
IModule modReader;
if (Enum.IsDefined(typeof(CodeViewSignature), signature))
{
modReader = new CodeViewModuleReader(ctx, Info, modStream);
}
else
{
modReader = new SourceFileModuleReader(ctx, modStream);
}
OnModuleReaderInit?.Invoke(modReader);
return(modReader);
}
public byte[] GetStream(DebugType type)
{
if (!HasStream(type))
{
return(null);
}
int streamNumber = DebugStreams[(int)type];
return(StreamTable.GetStream(streamNumber));
}
public byte[] GetStreamByName(string streamName)
{
if (streamReader == null)
{
return(null);
}
if (!streamReader
.NameTable
.GetIndex(streamName, out uint streamNumber)
)
{
return(null);
}
return(streamTable.GetStream((int)streamNumber));
}
public PDBFile(FileStream stream)
{
this.fs = stream;
this.StreamTable = Services.GetService <StreamTableReader>();
this.mf = MemoryMappedFile.CreateFromFile(stream, null, 0, MemoryMappedFileAccess.Read, HandleInheritability.Inheritable, true);
this.FileType = DetectPdbType();
Services.AddService <PDBFile>(this);
//$TODO
if (this.FileType == PDBType.Small)
{
throw new NotImplementedException($"Small/Old/JG PDBs not supported/tested yet");
}
MSFReader msf = new MSFReader(mf, stream.Length);
Services.AddService <MSFReader>(msf);
StreamTableReader streamTable;
// init stream table
{
byte[] streamTableData = msf.StreamTable();
streamTable = new StreamTableReader(Services, streamTableData);
}
Services.AddService <StreamTableReader>(streamTable);
DBIReader dbi;
// init DBI
{
byte[] dbiData = streamTable.GetStream(DefaultStreams.DBI);
dbi = new DBIReader(Services, dbiData);
OnDbiInit?.Invoke(dbi);
}
Services.AddService <DBIReader>(dbi);
TPIReader tpi;
// init TPI
{
byte[] tpiData = streamTable.GetStream(DefaultStreams.TPI);
tpi = new TPIReader(Services, new SpanStream(tpiData));
OnTpiInit?.Invoke(tpi);
}
Services.AddService <TPIReader>(tpi);
TPIHashReader tpiHash = null;
// init TPIHash
if (tpi.Header.Hash.StreamNumber != -1)
{
byte[] tpiHashData = streamTable.GetStream(tpi.Header.Hash.StreamNumber);
tpiHash = new TPIHashReader(Services, tpiHashData);
Services.AddService <TPIHashReader>(tpiHash);
}
// init resolver
TypeResolver resolver = new TypeResolver(Services);
Services.AddService <TypeResolver>(resolver);
// init Hasher
HasherV2 hasher = new HasherV2(Services);
Services.AddService <HasherV2>(hasher);
PdbStreamReader nameMap;
// init NameMap
{
byte[] nameMapData = streamTable.GetStream(DefaultStreams.PDB);
nameMap = new PdbStreamReader(nameMapData);
}
Services.AddService <PdbStreamReader>(nameMap);
NamedStreamTableReader namedStreamTable = new NamedStreamTableReader(Services);
Services.AddService <NamedStreamTableReader>(namedStreamTable);
UdtNameTableReader udtNameTable = null;
// init UdtNameMap
{
byte[] namesData = namedStreamTable.GetStreamByName("/names");
if (namesData != null)
{
udtNameTable = new UdtNameTableReader(Services, namesData);
Services.AddService <UdtNameTableReader>(udtNameTable);
}
}
}
public PDBFile(FileStream stream)
{
this.fs = stream;
this.mf = MemoryMappedFile.CreateFromFile(stream, null, 0, MemoryMappedFileAccess.Read, HandleInheritability.Inheritable, true);
this.memSpan = new MemoryMappedSpan <byte>(mf, (int)fs.Length);
this.StreamTable = Services.GetService <StreamTableReader>();
Services.AddService <PDBFile>(this);
this.Type = MSFReader.DetectPdbType(memSpan.GetSpan());
MSFReader msf = null;
StreamTableReader streamTable = null;
if (Type != PDBType.Old)
{
switch (Type)
{
case PDBType.Big:
msf = new MSFReaderDS(memSpan.Memory);
break;
case PDBType.Small:
msf = new MSFReaderJG(memSpan.Memory);
break;
default:
throw new InvalidOperationException();
}
Services.AddService <MSFReader>(msf);
// init stream table
{
byte[] streamTableData = msf.StreamTable();
streamTable = new StreamTableReader(Services, streamTableData);
}
Services.AddService <StreamTableReader>(streamTable);
DBIReader dbi;
// init DBI
{
byte[] dbiData = streamTable.GetStream(DefaultStreams.DBI);
dbi = new DBIReader(Services, dbiData);
OnDbiInit?.Invoke(dbi);
}
Services.AddService <DBIReader>(dbi);
}
TPIReader tpi;
// init TPI
{
SpanStream tpiStream;
if (Type != PDBType.Old)
{
byte[] tpiData = streamTable.GetStream(DefaultStreams.TPI);
tpiStream = new SpanStream(tpiData);
}
else
{
Span <byte> span = memSpan.GetSpan();
JGHeaderOld header = span.Read <JGHeaderOld>(0);
// $TODO: the MSFReader interface should be abstracted into a more generic PDBHeader
Services.AddService <JGHeaderOld>(header);
tpiStream = new SpanStream(span.Slice(header.SIZE).ToArray());
}
tpi = new TPIReader(Services, tpiStream);
OnTpiInit?.Invoke(tpi);
}
Services.AddService <TPIReader>(tpi);
TPIHashReader tpiHash = null;
// init TPIHash
if (Type != PDBType.Old && tpi.Header.Hash.StreamNumber != -1)
{
byte[] tpiHashData = streamTable.GetStream(tpi.Header.Hash.StreamNumber);
tpiHash = new TPIHashReader(Services, tpiHashData);
Services.AddService <TPIHashReader>(tpiHash);
}
// init resolver
TypeResolver resolver = new TypeResolver(Services);
Services.AddService <TypeResolver>(resolver);
// init Hasher
HasherV2 hasher = new HasherV2(Services);
Services.AddService <HasherV2>(hasher);
if (Type != PDBType.Old)
{
{ // init NameMap
byte[] nameMapData = streamTable.GetStream(DefaultStreams.PDB);
PdbStreamReader nameMap = new PdbStreamReader(nameMapData);
Services.AddService <PdbStreamReader>(nameMap);
}
NamedStreamTableReader namedStreamTable = new NamedStreamTableReader(Services);
Services.AddService <NamedStreamTableReader>(namedStreamTable);
{ // init UdtNameMap
byte[] namesData = namedStreamTable.GetStreamByName("/names");
if (namesData != null)
{
UdtNameTableReader udtNameTable = new UdtNameTableReader(Services, namesData);
Services.AddService <UdtNameTableReader>(udtNameTable);
}
}
}
}