/// <summary>
/// Create symbols for the driver routines.
/// </summary>
private void AddDriverMethods(SortedList <Address, ImageSymbol> symbols, ByteMemoryArea memSeg)
{
void MakeSymbol(ByteMemoryArea mem, string prefix, string routineName, uint offset)
{
var name = $"{prefix}_{routineName}";
var sym = ImageSymbol.Procedure(this.arch, mem.BaseAddress + offset + 4, name);
symbols.Add(sym.Address, sym);
}
var rdr = memSeg.CreateBeReader(4 + 8);
var offsetOpen = rdr.ReadBeUInt16();
var offsetPrime = rdr.ReadBeUInt16();
var offsetCtl = rdr.ReadBeUInt16();
var offsetStatus = rdr.ReadBeUInt16();
var offsetClose = rdr.ReadBeUInt16();
var cbName = rdr.ReadByte();
var abName = rdr.ReadBytes(cbName);
var driverName = Encoding.UTF8.GetString(abName);
var driverPrefix = NamingPolicy.SanitizeIdentifierName(driverName);
MakeSymbol(memSeg, driverPrefix, "Open", offsetOpen);
MakeSymbol(memSeg, driverPrefix, "Prime", offsetPrime);
MakeSymbol(memSeg, driverPrefix, "Ctl", offsetCtl);
MakeSymbol(memSeg, driverPrefix, "Status", offsetStatus);
MakeSymbol(memSeg, driverPrefix, "Close", offsetClose);
}
private string FilenameBasedOnSegment(Address addr, ImageSegment seg, string fileExtension)
{
if (!segmentFilenames.TryGetValue(seg, out var filename))
{
var sanitizedSegName = NamingPolicy.SanitizeIdentifierName(seg.Name);
filename = $"{progname}_{sanitizedSegName}";
segmentFilenames.Add(seg, filename);
}
// If the segment is large, we need to subdivide it.
if (seg.Size > MaxChunkSize)
{
var offset = addr - seg.Address;
var chunk = offset / MaxChunkSize;
filename = $"{filename}_{chunk:X4}";
}
return(Path.ChangeExtension(filename, fileExtension));
}