public LazyModuleProvider(IServiceContainer ctx, ModuleInfo mod)
{
this.ctx = ctx;
this.StreamTable = ctx.GetService <StreamTableReader>();
this.Info = mod;
this.lazyModule = LazyFactory.CreateLazy(ReadModule);
}
public DebugReader(IServiceContainer ctx, SpanStream stream) : base(stream)
{
this.StreamTable = ctx.GetService <StreamTableReader>();
for (int i = 0; i < (int)DebugType.DebugTypeMax; i++)
{
DebugStreams[i] = ReadInt16();
}
lazyFPO = LazyFactory.CreateLazy(CreateFPOReader);
}
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);
}
}
}
/**
* Layout of the DBI stream
* -> Header
* -> ModuleList
* -> SectionContributions
* -> SectionMap
* -> FileInfo
* -> TypeServerMap
* -> EcSubstream
* -> DebugHeader
**/
public DBIReader(IServiceContainer ctx, byte[] data) : base(data)
{
this.ctx = ctx;
if (Length == 0)
{
return;
}
if (Length < Marshal.SizeOf <DBIHeader>())
{
throw new InvalidDataException();
}
Header = Read <DBIHeader>();
if (Header.Signature != unchecked ((uint)-1) || !Enum.IsDefined(typeof(DBIVersion), (uint)Header.Version))
{
throw new InvalidDataException();
}
this.StreamTable = ctx.GetService <StreamTableReader>();
uint nStreams = StreamTable.NumStreams;
if (
Header.GsSymbolsStreamNumber >= nStreams ||
Header.PsSymbolsStreamNumber >= nStreams ||
Header.SymbolRecordsStreamNumber >= nStreams
)
{
throw new InvalidDataException();
}
lazyModuleContainers = LazyFactory.CreateLazy(ReadModules);
Position += Header.ModuleListSize;
if (Header.SectionContributionSize > 0)
{
SectionContribs = new SectionContribsReader(Header.SectionContributionSize, this);
}
Position += Header.SectionContributionSize;
Position += Header.SectionMapSize;
Position += Header.FileInfoSize;
if (Header.TypeServerMapSize > 0)
{
TypeServerMap = new TypeServerMapReader(this);
}
Position += Header.TypeServerMapSize;
if (Header.EcSubstreamSize > 0)
{
EC = new ECReader(this);
}
Position += Header.EcSubstreamSize;
if (Header.DebugHeaderSize > 0)
{
DebugInfo = new DebugReader(ctx, this);
}
}
public NamedStreamTableReader(IServiceContainer ctx)
{
streamReader = ctx.GetService <PdbStreamReader>();
streamTable = ctx.GetService <StreamTableReader>();
}
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);
}
}
}
}