public UInt32 Index; // 1 to N, not 0 to N-1.
public MetadataToken(MDTables.Tables table, UInt32 index)
{
System.Diagnostics.Contracts.Contract.Requires((index & 0xFF000000U) == 0);
Table = table;
Index = index;
}
/*
* private static UInt32 PadTo4(UInt32 RVA)
* {
* UInt32 Cleared = RVA & ~0x3U;
* return (RVA == Cleared) ? RVA : RVA + 0x4U;
* }
*/
internal void InitMetaData()
{
if (B == null)
{
throw new ObjectDisposedException(null);
}
if (parsedMetaData)
{
return;
}
SeekToRVA(MetaDataDDRVA);
UInt32 MetaDataRVA = B.ReadUInt32();
UInt32 MetaDataSize = B.ReadUInt32();
if ((MetaDataRVA == 0) || (MetaDataSize == 0))
{
throw new BadImageFormatException();
}
MetadataRoot = RVAToFileAddress(MetaDataRVA);
UInt32 VersionLengthRVA = MetaDataRVA + 12;
UInt32 VersionStringRVA = VersionLengthRVA + 4;
SeekToRVA(VersionLengthRVA);
UInt32 VersionLength = B.ReadUInt32();
String Version = ReadUTF8String(VersionLength);
UInt32 FlagsRVA = VersionStringRVA + VersionLength;
UInt32 NStreamsRVA = FlagsRVA + 2;
SeekToRVA(NStreamsRVA);
UInt16 NStreams = B.ReadUInt16();
Streams = new StreamDesc[NStreams];
for (int i = 0; i < NStreams; i++)
{
Streams[i] = new StreamDesc(B, MetadataRoot);
}
StreamDesc stringStream, blobStream, TablesStream;
if (!FindStream("#~", out TablesStream))
{
if (!FindStream("#-", out TablesStream))
{
throw new BadImageFormatException();
}
}
if (!FindStream("#Strings", out stringStream))
{
throw new BadImageFormatException();
}
if (!FindStream("#Blob", out blobStream))
{
throw new BadImageFormatException();
}
TablesStream.SeekTo(B, 0);
metaData = new MDTables(B, stringStream, blobStream);
// metaData.DumpStringHeap();
parsedMetaData = true;
}
private static MetadataToken FindTypeDef(PEFileReader peFile, MDTables mdScope, String typeName, String nameSpace)
{
System.Diagnostics.Contracts.Contract.Requires(typeName != null);
uint numTypeDefs = mdScope.RowsInTable(MDTables.Tables.TypeDef);
for (uint i = 0; i < numTypeDefs; i++) {
mdScope.SeekToRowOfTable(MDTables.Tables.TypeDef, i);
peFile.B.ReadUInt32(); // TypeAttributes
String rowTypeName = mdScope.ReadString();
if (!String.Equals(typeName, rowTypeName))
continue;
String rowNameSpace= mdScope.ReadString();
if (!String.Equals(nameSpace, rowNameSpace))
continue;
return new MetadataToken(MDTables.Tables.TypeDef, i + 1);
}
throw new TypeLoadException(String.Format(CultureInfo.CurrentCulture, Res.CantFindTypeName, nameSpace, typeName));
}
/*
private static UInt32 PadTo4(UInt32 RVA)
{
UInt32 Cleared = RVA & ~0x3U;
return (RVA == Cleared) ? RVA : RVA + 0x4U;
}
*/
internal void InitMetaData()
{
if (B == null)
throw new ObjectDisposedException(null);
if (parsedMetaData)
return;
SeekToRVA(MetaDataDDRVA);
UInt32 MetaDataRVA = B.ReadUInt32();
UInt32 MetaDataSize = B.ReadUInt32();
if ((MetaDataRVA == 0) || (MetaDataSize == 0))
throw new BadImageFormatException();
MetadataRoot = RVAToFileAddress(MetaDataRVA);
UInt32 VersionLengthRVA = MetaDataRVA + 12;
UInt32 VersionStringRVA = VersionLengthRVA + 4;
SeekToRVA(VersionLengthRVA);
UInt32 VersionLength = B.ReadUInt32();
String Version = ReadUTF8String(VersionLength);
UInt32 FlagsRVA = VersionStringRVA + VersionLength;
UInt32 NStreamsRVA = FlagsRVA + 2;
SeekToRVA(NStreamsRVA);
UInt16 NStreams = B.ReadUInt16();
Streams = new StreamDesc[NStreams];
for (int i = 0; i < NStreams; i++) Streams[i] = new StreamDesc(B, MetadataRoot);
StreamDesc stringStream, blobStream, TablesStream;
if (!FindStream("#~", out TablesStream))
if (!FindStream("#-", out TablesStream))
throw new BadImageFormatException();
if (!FindStream("#Strings", out stringStream))
throw new BadImageFormatException();
if (!FindStream("#Blob", out blobStream))
throw new BadImageFormatException();
TablesStream.SeekTo(B, 0);
metaData = new MDTables(B, stringStream, blobStream);
// metaData.DumpStringHeap();
parsedMetaData = true;
}
