|
public CreateSubContext ( long address ) : |
||
| address | long | |
| Результат | ||
internal static ImageResourceDirectoryEntry FromReadingContext(ReadingContext context)
{
var reader = context.Reader;
var resourceDirectory =
context.Assembly.NtHeaders.OptionalHeader.DataDirectories[ImageDataDirectory.ResourceDirectoryIndex];
var entry = new ImageResourceDirectoryEntry
{
StartOffset = reader.Position,
NameId = reader.ReadUInt32(),
OffsetToData = reader.ReadUInt32(),
};
entry.HasData = (entry.OffsetToData >> 31) == 0;
uint actualDataOffset = entry.OffsetToData & ~(1 << 31);
entry.HasName = (entry.NameId >> 31) == 1;
if (entry.HasName)
{
entry._nameReadingContext =
context.CreateSubContext(context.Assembly.RvaToFileOffset(resourceDirectory.VirtualAddress) +
(entry.NameId & ~(1 << 31)));
}
entry._dataReadingContext =
context.CreateSubContext(context.Assembly.RvaToFileOffset(resourceDirectory.VirtualAddress) +
actualDataOffset);
return(entry);
}
internal static ImageSymbolImport FromReadingContext(ReadingContext context)
{
var reader = context.Reader;
var application = context.Assembly;
var optionalHeader = application.NtHeaders.OptionalHeader;
var import = new ImageSymbolImport(optionalHeader.Magic == OptionalHeaderMagic.Pe32Plus
? reader.ReadUInt64()
: reader.ReadUInt32());
if (import.Lookup == 0)
{
return(import);
}
import.IsImportByOrdinal = import.Lookup >> (optionalHeader.Magic == OptionalHeaderMagic.Pe32Plus ? 63 : 31) == 1;
if (!import.IsImportByOrdinal)
{
import.HintName =
HintName.FromReadingContext(context.CreateSubContext(application.RvaToFileOffset(import.HintNameRva)));
}
return(import);
}
internal static ImageModuleImport FromReadingContext(ReadingContext context)
{
var application = context.Assembly;
var reader = context.Reader;
var moduleImport = new ImageModuleImport
{
StartOffset = reader.Position,
ImportLookupTableRva = reader.ReadUInt32(),
TimeDateStamp = reader.ReadUInt32(),
ForwarderChain = reader.ReadUInt32(),
NameRva = reader.ReadUInt32(),
ImportAddressTableRva = reader.ReadUInt32(),
};
if (moduleImport.IsEmpty)
{
return(moduleImport);
}
var nameReader = reader.CreateSubReader(application.RvaToFileOffset(moduleImport.NameRva));
moduleImport.Name = nameReader.ReadAsciiString();
moduleImport._readingContext =
context.CreateSubContext(application.RvaToFileOffset(moduleImport.ImportLookupTableRva));
return(moduleImport);
}
private static ReadingContext CreateDataDirectoryContext(ReadingContext context, int directoryIndex)
{
var application = context.Assembly;
var dataDirectory = application.NtHeaders.OptionalHeader.DataDirectories[directoryIndex];
return(dataDirectory.VirtualAddress == 0
? null
: context.CreateSubContext(application.RvaToFileOffset(dataDirectory.VirtualAddress)));
}
internal static BaseRelocationBlock FromReadingContext(ReadingContext context)
{
var reader = context.Reader;
var block = new BaseRelocationBlock(reader.ReadUInt32())
{
_blockSize = reader.ReadUInt32(),
};
block._entriesReadingContext = context.CreateSubContext(reader.Position, (int)(block.BlockSize - (2 * sizeof(uint))));
return(block);
}
private static ReadingContext CreateDataDirectoryContext(ReadingContext context, int directoryIndex)
{
var application = context.Assembly;
var dataDirectories = application.NtHeaders.OptionalHeader.DataDirectories;
if (directoryIndex >= 0 && directoryIndex < dataDirectories.Count)
{
var dataDirectory = dataDirectories[directoryIndex];
if (dataDirectory.VirtualAddress != 0)
{
return(context.CreateSubContext(application.RvaToFileOffset(dataDirectory.VirtualAddress)));
}
}
return(null);
}
public static ImageDebugDirectory FromReadingContext(ReadingContext context)
{
var reader = context.Reader;
var directory = new ImageDebugDirectory()
{
StartOffset = reader.StartPosition,
Characteristics = reader.ReadUInt32(),
TimeDateStamp = reader.ReadUInt32(),
MajorVersion = reader.ReadUInt16(),
MinorVersion = reader.ReadUInt16(),
Type = (DebugInformationFormat)reader.ReadUInt32(),
SizeOfData = reader.ReadUInt32(),
AddressOfRawData = reader.ReadUInt32(),
PointerToRawData = reader.ReadUInt32(),
};
directory._dataReadingContext = context.CreateSubContext(directory.PointerToRawData, (int)directory.SizeOfData);
return(directory);
}
internal static BaseRelocationBlock FromReadingContext(ReadingContext context)
{
var reader = context.Reader;
long offset = reader.Position;
var block = new BaseRelocationBlock(reader.ReadUInt32())
{
StartOffset = offset,
_blockSize = reader.ReadUInt32(),
};
block._entriesReadingContext = context.CreateSubContext(reader.Position, (int)(block.BlockSize - (2 * sizeof (uint))));
return block;
}
internal static ImageResourceDirectoryEntry FromReadingContext(ReadingContext context)
{
var reader = context.Reader;
var resourceDirectory =
context.Assembly.NtHeaders.OptionalHeader.DataDirectories[ImageDataDirectory.ResourceDirectoryIndex];
var entry = new ImageResourceDirectoryEntry
{
StartOffset = reader.Position,
NameId = reader.ReadUInt32(),
OffsetToData = reader.ReadUInt32(),
};
entry.HasData = (entry.OffsetToData >> 31) == 0;
uint actualDataOffset = entry.OffsetToData & ~(1 << 31);
entry.HasName = (entry.NameId >> 31) == 1;
if (entry.HasName)
{
entry._nameReadingContext =
context.CreateSubContext(context.Assembly.RvaToFileOffset(resourceDirectory.VirtualAddress) +
(entry.NameId & ~(1 << 31)));
}
entry._dataReadingContext =
context.CreateSubContext(context.Assembly.RvaToFileOffset(resourceDirectory.VirtualAddress) +
actualDataOffset);
return entry;
}
private static ReadingContext CreateDataDirectoryContext(ReadingContext context, int directoryIndex)
{
var application = context.Assembly;
var dataDirectories = application.NtHeaders.OptionalHeader.DataDirectories;
if (directoryIndex >= 0 && directoryIndex < dataDirectories.Count)
{
var dataDirectory = dataDirectories[directoryIndex];
if (dataDirectory.VirtualAddress != 0)
return context.CreateSubContext(application.RvaToFileOffset(dataDirectory.VirtualAddress));
}
return null;
}
internal static ImageSymbolImport FromReadingContext(ReadingContext context)
{
var reader = context.Reader;
var application = context.Assembly;
var optionalHeader = application.NtHeaders.OptionalHeader;
var import = new ImageSymbolImport(optionalHeader.Magic == OptionalHeaderMagic.Pe32Plus
? reader.ReadUInt64()
: reader.ReadUInt32());
if (import.Lookup == 0)
return import;
import.IsImportByOrdinal = import.Lookup >> (optionalHeader.Magic == OptionalHeaderMagic.Pe32Plus ? 63 : 31) == 1;
if (!import.IsImportByOrdinal)
import.HintName =
HintName.FromReadingContext(context.CreateSubContext(application.RvaToFileOffset(import.HintNameRva)));
return import;
}
internal static ImageModuleImport FromReadingContext(ReadingContext context)
{
var application = context.Assembly;
var reader = context.Reader;
var moduleImport = new ImageModuleImport
{
StartOffset = reader.Position,
ImportLookupTableRva = reader.ReadUInt32(),
TimeDateStamp = reader.ReadUInt32(),
ForwarderChain = reader.ReadUInt32(),
NameRva = reader.ReadUInt32(),
ImportAddressTableRva = reader.ReadUInt32(),
};
if (moduleImport.IsEmpty)
return moduleImport;
var nameReader = reader.CreateSubReader(application.RvaToFileOffset(moduleImport.NameRva));
moduleImport.Name = nameReader.ReadAsciiString();
moduleImport._readingContext =
context.CreateSubContext(application.RvaToFileOffset(moduleImport.ImportLookupTableRva));
return moduleImport;
}
public static ImageDebugDirectory FromReadingContext(ReadingContext context)
{
var reader = context.Reader;
var directory = new ImageDebugDirectory()
{
StartOffset = reader.StartPosition,
Characteristics = reader.ReadUInt32(),
TimeDateStamp = reader.ReadUInt32(),
MajorVersion = reader.ReadUInt16(),
MinorVersion = reader.ReadUInt16(),
Type = (DebugInformationFormat)reader.ReadUInt32(),
SizeOfData = reader.ReadUInt32(),
AddressOfRawData = reader.ReadUInt32(),
PointerToRawData = reader.ReadUInt32(),
};
directory._dataReadingContext = context.CreateSubContext(directory.PointerToRawData, (int)directory.SizeOfData);
return directory;
}
