public void VisitPointer(Pointer ptr)
{
switch (ptr.Size)
{
case 2:
fmt.WriteKeyword("dw");
fmt.Write("\t");
fmt.Write(string.Format("0x{0:X4}", rdr.ReadByte()));
fmt.WriteLine();
return;
case 4:
fmt.WriteKeyword("dd");
fmt.Write("\t");
fmt.Write(string.Format("0x{0:X8}", rdr.ReadUInt32()));
fmt.WriteLine();
return;
case 8:
fmt.WriteKeyword("dq");
fmt.Write("\t");
fmt.Write(string.Format("0x{0:X16}", rdr.ReadUInt32()));
fmt.WriteLine();
return;
}
}
public static object ReadPointer(Type pointerType, int size, EndianImageReader rdr, ReaderContext ctx)
{
Debug.Print("Reading pointer at offset {0}, size {1}", rdr.Offset, size);
uint newOffset;
switch (size)
{
default:
throw new InvalidOperationException("Field size must be > 0.");
case 1: newOffset = rdr.ReadByte(); break;
case 2: newOffset = rdr.ReadUInt16(); break;
case 4: newOffset = rdr.ReadUInt32(); break;
}
Debug.Print("Structure of type {0} must start at offset {1:X}", pointerType.Name, newOffset);
rdr = rdr.Clone();
rdr.Offset = newOffset;
var dst = Activator.CreateInstance(pointerType);
var sr = new StructureReader(dst);
sr.Read(rdr);
return(dst);
}
public void WriteByteRange(MemoryArea image, Address begin, Address addrEnd, InstrWriter writer)
{
EndianImageReader rdr = arch.CreateImageReader(image, begin);
while (rdr.Address < addrEnd)
{
writer.Write(string.Format("{0:X2} ", rdr.ReadByte()));
}
}
public void DumpData(SegmentMap map, Address address, long cbBytes, Formatter stm)
{
const int BytesPerLine = 16;
var linAddr = address.ToLinear();
ulong cSkip = linAddr - BytesPerLine * (linAddr / BytesPerLine);
ImageSegment segment;
if (!map.TryFindSegment(address, out segment) || segment.MemoryArea == null)
{
return;
}
byte[] prevLine = null;
bool showEllipsis = true;
EndianImageReader rdr = arch.CreateImageReader(segment.MemoryArea, address);
while (cbBytes > 0)
{
StringBuilder sb = new StringBuilder(0x12);
var bytes = new List <byte>();
var sbBytes = new StringBuilder();
try
{
sbBytes.AppendFormat("{0} ", rdr.Address);
for (int i = 0; i < BytesPerLine; ++i)
{
if (cbBytes > 0 && cSkip == 0)
{
byte b = rdr.ReadByte();
bytes.Add(b);
sbBytes.AppendFormat("{0:X2} ", b);
sb.Append(0x20 <= b && b < 0x7F
? (char)b
: '.');
--cbBytes;
}
else
{
sbBytes.Append(" ");
if (cSkip > 0)
{
sb.Append(' ');
}
--cSkip;
}
}
var ab = bytes.ToArray();
if (!HaveSameZeroBytes(prevLine, ab))
{
stm.Write(sbBytes.ToString());
stm.WriteLine(sb.ToString());
showEllipsis = true;
}
else
{
if (showEllipsis)
{
stm.WriteLine("; ...");
showEllipsis = false;
}
}
prevLine = ab;
}
catch
{
stm.WriteLine();
stm.WriteLine(";;; ...end of image");
return;
}
}
}