public CachedFileStream(FileStream AnUnderlyingStream)
: base(AnUnderlyingStream.TheFile)
{
UnderlyingStream = AnUnderlyingStream;
CachedData = new byte[(uint)TheFile.Size];
UnderlyingStream.Read(CachedData, 0, CachedData.Length);
}
public ELFFile(File file)
{
theFile = file;
if (theFile == null)
{
Console.Default.ErrorColour();
Console.Default.Write("Error constructing ELF file! theFile is null");
BasicConsole.Write("Error constructing ELF file! theFile is null");
if (file == null)
{
Console.Default.Write(" and file is null");
BasicConsole.Write(" and file is null");
}
else
{
Console.Default.Write(" and file is NOT null");
BasicConsole.Write(" and file is NOT null");
}
Console.Default.WriteLine(".");
BasicConsole.WriteLine(".");
Console.Default.DefaultColour();
ExceptionMethods.Throw(new FOS_System.Exception("Error loading ELF file! Supplied file is null."));
}
theStream = new CachedFileStream(theFile.GetStream());
ReadHeader();
if (IsValidFile())
{
ReadSectionHeaders();
ReadSegmentHeaders();
}
}
public virtual int Read(FileStream stream)
{
data = new byte[header.FileSize];
stream.Position = header.FileOffset;
int bytesRead = stream.Read(data, 0, data.Length);
if (bytesRead != data.Length)
{
ExceptionMethods.Throw(new FOS_System.Exception("Failed to read segment data from file!"));
}
return bytesRead;
}
public override int Read(FileStream stream)
{
dynamics.Empty();
int bytesRead = base.Read(stream);
uint offset = 0;
Dynamic currDynamic;
while (offset < bytesRead)
{
currDynamic = new Dynamic();
currDynamic.Tag = (DynamicTag)ByteConverter.ToUInt32(data, offset + 0);
currDynamic.Val_Ptr = ByteConverter.ToUInt32(data, offset + 4);
dynamics.Add(currDynamic);
offset += header.EntrySize;
}
return dynamics.Count;
}
public override int Read(FileStream stream)
{
relocations.Empty();
int bytesRead = base.Read(stream);
uint offset = 0;
RelocationAddend currRelocation;
while (offset < bytesRead)
{
currRelocation = new RelocationAddend();
currRelocation.Offset = (byte*)ByteConverter.ToUInt32(data, offset + 0);
currRelocation.Info = ByteConverter.ToUInt32(data, offset + 4);
currRelocation.Addend = (short)ByteConverter.ToUInt16(data, offset + 8);
relocations.Add(currRelocation);
offset += header.EntrySize;
}
return relocations.Count;
}
public override int Read(FileStream stream)
{
symbols.Empty();
int bytesRead = base.Read(stream);
uint offset = 0;
Symbol currSymbol;
while (offset < bytesRead)
{
currSymbol = new Symbol();
currSymbol.NameIdx = ByteConverter.ToUInt32(data, offset + 0);
currSymbol.Value = (byte*)ByteConverter.ToUInt32(data, offset + 4);
currSymbol.Size = ByteConverter.ToUInt32(data, offset + 8);
currSymbol.Info = data[offset + 12];
currSymbol.Other = data[offset + 13];
currSymbol.SectionIndex = ByteConverter.ToUInt16(data, offset + 14);
symbols.Add(currSymbol);
offset += header.EntrySize;
}
return symbols.Count;
}
