public List <EntryPoint> LoadEntryPoints(Dictionary <int, string> names)
{
var rdr = new LeImageReader(RawImage, this.lfaNew + this.offEntryTable);
var entries = new List <EntryPoint>();
for (;;)
{
var cEntries = rdr.ReadByte();
if (cEntries == 0)
{
break;
}
var segNum = rdr.ReadByte();
var seg = this.segments[segNum - 1];
for (int i = 0; i < cEntries; ++i)
{
var flags = rdr.ReadByte();
var offset = rdr.ReadUInt16();
string name;
var addr = seg.Address + offset;
var state = arch.CreateProcessorState();
EntryPoint ep;
if (names.TryGetValue(entries.Count, out name))
{
ep = new EntryPoint(addr, name, state);
}
else
{
ep = new EntryPoint(addr, state);
}
entries.Add(ep);
}
}
return(entries);
}
public List <ImageSymbol> LoadEntryPoints(Dictionary <int, string> names)
{
var rdr = new LeImageReader(RawImage, this.lfaNew + this.offEntryTable);
var entries = new List <ImageSymbol>();
for (;;)
{
var cEntries = rdr.ReadByte();
if (cEntries == 0)
{
break;
}
var segNum = rdr.ReadByte();
var seg = this.segments[segNum - 1];
for (int i = 0; i < cEntries; ++i)
{
var flags = rdr.ReadByte();
var offset = rdr.ReadUInt16();
string name;
var addr = seg.Address + offset;
var state = arch.CreateProcessorState();
ImageSymbol ep = new ImageSymbol(addr);
if (names.TryGetValue(entries.Count, out name))
{
ep.Name = name;
}
ep.Type = SymbolType.Procedure;
ep.ProcessorState = state;
imageSymbols[ep.Address] = ep;
entries.Add(ep);
}
}
return(entries);
}
public ArchiveDirectoryEntry[] LoadDirectory()
{
var rdr = new LeImageReader(this.RawImage);
rdr.Offset += 8; // Skip title
var entries = new DFSEntry[31];
for (int i = 0; i < 31; ++i)
{
var bytes = rdr.ReadBytes(7);
var fname = new string(bytes.Select(b => (char)b).ToArray());
var bDir = rdr.ReadByte();
var dir = (char)bDir & 0x7F;
var locked = (bDir & 0x80) != 0;
var de = new DFSEntry
{
Name = fname
};
entries[i] = de;
}
// Sector 1
Debug.Assert(rdr.Offset == 0x0100);
rdr.Offset += 4; // Skip last 4 bytes of title
rdr.ReadByte(); // # of writes
int cEntries = rdr.ReadByte() / 8;
byte cSectHi = rdr.ReadByte();
byte cSectLo = rdr.ReadByte();
for (int i = 0; i < 31; ++i)
{
var uAddrLoad = rdr.ReadUInt16();
var uAddrExec = rdr.ReadUInt16();
var cbLength = rdr.ReadUInt16();
var sectHi = rdr.ReadByte();
var sectLo = rdr.ReadByte();
var de = entries[i];
de.LoadAddress = Address.Ptr16(uAddrLoad);
de.ExecAddress = Address.Ptr16(uAddrLoad);
de.Length = cbLength;
}
return(entries.Take(cEntries).ToArray());
}
private FileHeader LoadHeader()
{
var rdr = new LeImageReader(RawImage, 0);
var magic = rdr.ReadLeUInt16();
switch (magic)
{
case 0x014C: arch = new IntelArchitecture(ProcessorMode.Protected32); break;
default: throw new NotSupportedException();
}
return(new FileHeader
{
f_magic = magic,
f_nscns = rdr.ReadUInt16(),
f_timdat = rdr.ReadUInt32(),
f_symptr = rdr.ReadUInt32(),
f_nsyms = rdr.ReadUInt32(),
f_opthdr = rdr.ReadUInt16(),
f_flags = rdr.ReadUInt16(),
});
}
private FileHeader LoadHeader()
{
var rdr = new LeImageReader(RawImage, 0);
var magic = rdr.ReadLeUInt16();
var cfgSvc = Services.RequireService <IConfigurationService>();
switch (magic)
{
case 0x014C: arch = cfgSvc.GetArchitecture("x86-real-16"); break;
default: throw new NotSupportedException();
}
return(new FileHeader
{
f_magic = magic,
f_nscns = rdr.ReadUInt16(),
f_timdat = rdr.ReadUInt32(),
f_symptr = rdr.ReadUInt32(),
f_nsyms = rdr.ReadUInt32(),
f_opthdr = rdr.ReadUInt16(),
f_flags = rdr.ReadUInt16(),
});
}
private (byte, ushort) ReadFixedSegmentEntry(LeImageReader rdr, byte iSeg)
{
var offset = rdr.ReadUInt16();
return(iSeg, offset);
}
