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 Elf32_Sym Load(ImageReader rdr)
{
var sym = new Elf32_Sym();
sym.st_name = rdr.ReadUInt32();
sym.st_value = rdr.ReadUInt32();
sym.st_size = rdr.ReadUInt32();
sym.st_info = rdr.ReadByte();
sym.st_other = rdr.ReadByte();
sym.st_shndx = rdr.ReadUInt16();
return sym;
}
public static object ReadPointer(Type pointerType, int size, ImageReader 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, TextWriter writer)
{
ImageReader rdr = arch.CreateImageReader(image, begin);
while (rdr.Address < addrEnd)
{
writer.Write("{0:X2} ", rdr.ReadByte());
}
}
public void DumpData(SegmentMap map, Address address, long cbBytes, TextWriter stm)
{
ulong cSkip = address.ToLinear() & 0x0F;
ImageSegment segment;
if (!map.TryFindSegment(address, out segment) || segment.MemoryArea == null)
{
return;
}
ImageReader rdr = arch.CreateImageReader(segment.MemoryArea, address);
while (cbBytes > 0)
{
StringBuilder sb = new StringBuilder(0x12);
try
{
stm.Write("{0} ", rdr.Address);
for (int i = 0; i < 16; ++i)
{
if (cbBytes > 0 && cSkip == 0)
{
byte b = rdr.ReadByte();
stm.Write("{0:X2} ", b);
sb.Append(0x20 <= b && b < 0x7F
? (char)b
: '.');
--cbBytes;
}
else
{
stm.Write(" ");
if (cSkip > 0)
{
sb.Append(' ');
}
--cSkip;
}
}
}
catch
{
stm.WriteLine();
stm.WriteLine("...end of image");
return;
}
stm.WriteLine(sb.ToString());
}
}
public void DumpData(LoadedImage image, Address address, long cbBytes, TextWriter stm)
{
ulong cSkip = address.ToLinear() & 0x0F;
ImageReader rdr = arch.CreateImageReader(image, address);
while (cbBytes > 0)
{
StringBuilder sb = new StringBuilder(0x12);
try
{
stm.Write("{0} ", rdr.Address);
for (int i = 0; i < 16; ++i)
{
if (cbBytes > 0 && cSkip == 0)
{
byte b = rdr.ReadByte();
stm.Write("{0:X2} ", b);
sb.Append(0x20 <= b && b < 0x7F
? (char)b
: '.');
--cbBytes;
}
else
{
stm.Write(" ");
if (cSkip > 0)
{
sb.Append(' ');
}
--cSkip;
}
}
}
catch
{
stm.WriteLine();
stm.WriteLine("...end of image");
return;
}
stm.WriteLine(sb.ToString());
}
}
public static object ReadPointer(Type pointerType, int size, ImageReader 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;
}
// Apply relocations to a segment.
bool ApplyRelocations(ImageReader rdr, int cRelocations, NeSegment seg)
{
string module = "";
Address address = null;
NeRelocationEntry rep = null;
for (int i = 0; i < cRelocations; i++)
{
rep = new NeRelocationEntry
{
address_type = rdr.ReadByte(),
relocation_type = rdr.ReadByte(),
offset = rdr.ReadLeUInt16(),
target1 = rdr.ReadLeUInt16(),
target2 = rdr.ReadLeUInt16(),
};
// Get the target address corresponding to this entry.
// If additive, there is no target chain list. Instead, add source
// and target.
bool additive = (rep.relocation_type & NE_RELFLAG_ADDITIVE) != 0;
Tuple<Address, ImportReference> impRef;
uint lp;
switch (rep.relocation_type & 3)
{
case NE_RELTYPE_ORDINAL:
module = moduleNames[rep.target1 - 1];
// Synthesize an import
lp = ((uint)rep.target1 << 16) | rep.target2;
if (importStubs.TryGetValue(lp, out impRef))
{
address = impRef.Item1;
}
else
{
address = addrImportStubs;
importStubs.Add(lp, new Tuple<Address, ImportReference>(
address,
new OrdinalImportReference(address, module, rep.target2)));
addrImportStubs += 8;
}
break;
case NE_RELTYPE_NAME:
module = moduleNames[rep.target1 - 1];
uint offName = lfaNew + this.offImportedNamesTable + rep.target2;
var nameRdr = new LeImageReader(RawImage, offName);
byte fnNameLength = nameRdr.ReadByte();
var abFnName = nameRdr.ReadBytes(fnNameLength);
lp = ((uint)rep.target1 << 16) | rep.target2;
if (importStubs.TryGetValue(lp, out impRef))
{
address = impRef.Item1;
}
else
{
address = addrImportStubs;
string fnName = Encoding.ASCII.GetString(abFnName);
importStubs.Add(lp, new Tuple<Address, ImportReference>(
address,
new NamedImportReference(address, module, fnName)));
}
break;
case NE_RELTYPE_INTERNAL:
if ((rep.target1 & 0xff) == 0xff)
{
throw new NotImplementedException();
}
else
{
address = segments[rep.target1 - 1].Address + rep.target2;
}
Debug.Print("{0}: {1:X4}:{2:X4} {3}",
i + 1,
address.Selector.Value,
address.Selector.Value,
"");
break;
case NE_RELTYPE_OSFIXUP:
/* Relocation type 7:
*
* These appear to be used as fixups for the Windows
* floating point emulator. Let's just ignore them and
* try to use the hardware floating point. Linux should
* successfully emulate the coprocessor if it doesn't
* exist.
*/
/*
TRACE("%d: TYPE %d, OFFSET %04x, TARGET %04x %04x %s\n",
i + 1, rep->relocation_type, rep->offset,
rep->target1, rep->target2,
NE_GetRelocAddrName( rep->address_type, additive ) );
*/
continue;
}
ushort offset = rep.offset;
// Apparently, high bit of address_type is sometimes set;
// we ignore it for now.
if (rep.address_type > NE_RADDR_OFFSET32)
{
diags.Error(
string.Format(
"Module {0}: unknown relocation address type {1:X2}. Please report",
module, rep.address_type));
return false;
}
if (additive)
{
var sp = seg.Address + offset;
Debug.Print(" {0:X4}:{0:X4}", offset, offset);
byte b;
ushort w;
switch (rep.address_type & 0x7f)
{
case NE_RADDR_LOWBYTE:
b = image.ReadByte(sp);
image.WriteByte(sp, (byte)(b + address.Offset));
break;
case NE_RADDR_OFFSET16:
w = image.ReadLeUInt16(sp);
image.WriteLeUInt16(sp, (ushort)(w + address.Offset));
break;
case NE_RADDR_POINTER32:
w = image.ReadLeUInt16(sp);
image.WriteLeUInt16(sp, (ushort)(w + address.Offset));
image.WriteLeUInt16(sp + 2, address.Selector.Value);
break;
case NE_RADDR_SELECTOR:
// Borland creates additive records with offset zero. Strange, but OK.
w = image.ReadLeUInt16(sp);
if (w != 0)
diags.Error(string.Format("Additive selector to {0:X4}. Please report.", w));
else
image.WriteLeUInt16(sp, address.Selector.Value);
break;
default:
goto unknown;
}
}
else
{
// Non-additive fixup.
do
{
var sp = seg.Address + offset;
ushort next_offset = image.ReadLeUInt16(sp);
Debug.Print(" {0:X4}:{0:X4}", offset, next_offset);
switch (rep.address_type & 0x7f)
{
case NE_RADDR_LOWBYTE:
image.WriteByte(sp, (byte)address.Offset);
break;
case NE_RADDR_OFFSET16:
image.WriteLeUInt16(sp, (ushort)address.Offset);
break;
case NE_RADDR_POINTER32:
image.WriteLeUInt16(sp, (ushort)address.Offset);
image.WriteLeUInt16(sp + 2, address.Selector.Value);
break;
case NE_RADDR_SELECTOR:
image.WriteLeUInt16(sp, address.Selector.Value);
break;
default:
goto unknown;
}
if (next_offset == offset) break; // avoid infinite loop
if (next_offset >= seg.Alloc)
break;
offset = next_offset;
} while (offset != 0xffff);
}
}
return true;
unknown:
var svc = Services.RequireService<IDiagnosticsService>();
svc.Warn(string.Format("{0}: unknown ADDR TYPE {1}, " +
"TYPE {2}, OFFSET {3:X4}, TARGET {4:X4} {5:X4}",
seg.Address.Selector, rep.address_type, rep.relocation_type,
rep.offset, rep.target1, rep.target2));
return false;
}
public void ReadOptionalHeader(ImageReader rdr, short expectedMagic)
{
if (optionalHeaderSize <= 0)
throw new BadImageFormatException("Optional header size should be larger than 0 in a PE executable image file.");
short magic = rdr.ReadLeInt16();
if (magic != expectedMagic)
throw new BadImageFormatException("Not a valid PE Header.");
rdr.ReadByte(); // Linker major version
rdr.ReadByte(); // Linker minor version
rdr.ReadLeUInt32(); // code size (== .text section size)
rdr.ReadLeUInt32(); // size of initialized data
rdr.ReadLeUInt32(); // size of uninitialized data
rvaStartAddress = rdr.ReadLeUInt32();
uint rvaBaseOfCode = rdr.ReadLeUInt32();
preferredBaseOfImage = innerLoader.ReadPreferredImageBase(rdr);
rdr.ReadLeUInt32(); // section alignment
rdr.ReadLeUInt32(); // file alignment
rdr.ReadLeUInt16(); // OS major version
rdr.ReadLeUInt16(); // OS minor version
rdr.ReadLeUInt16(); // Image major version
rdr.ReadLeUInt16(); // Image minor version
rdr.ReadLeUInt16(); // Subsystem major version
rdr.ReadLeUInt16(); // Subsystem minor version
rdr.ReadLeUInt32(); // reserved
uint sizeOfImage = rdr.ReadLeUInt32();
uint sizeOfHeaders = rdr.ReadLeUInt32();
uint checksum = rdr.ReadLeUInt32();
ushort subsystem = rdr.ReadLeUInt16();
ushort dllFlags = rdr.ReadLeUInt16();
var stackReserve = rdr.Read(arch.WordWidth);
var stackCommit = rdr.Read(arch.WordWidth);
var heapReserve = rdr.Read(arch.WordWidth);
var heapCommit = rdr.Read(arch.WordWidth);
rdr.ReadLeUInt32(); // loader flags
uint dictionaryCount = rdr.ReadLeUInt32();
if (dictionaryCount == 0) return;
rvaExportTable = rdr.ReadLeUInt32();
sizeExportTable = rdr.ReadLeUInt32();
if (--dictionaryCount == 0) return;
rvaImportTable = rdr.ReadLeUInt32();
uint importTableSize = rdr.ReadLeUInt32();
if (--dictionaryCount == 0) return;
rvaResources = rdr.ReadLeUInt32(); // resource address
rdr.ReadLeUInt32(); // resource size
if (--dictionaryCount == 0) return;
rvaExceptionTable = rdr.ReadLeUInt32(); // exception address
sizeExceptionTable = rdr.ReadLeUInt32(); // exception size
if (--dictionaryCount == 0) return;
rdr.ReadLeUInt32(); // certificate address
rdr.ReadLeUInt32(); // certificate size
if (--dictionaryCount == 0) return;
uint rvaBaseRelocAddress = rdr.ReadLeUInt32();
uint baseRelocSize = rdr.ReadLeUInt32();
if (--dictionaryCount == 0) return;
uint rvaDebug = rdr.ReadLeUInt32();
uint cbDebug = rdr.ReadLeUInt32();
if (--dictionaryCount == 0) return;
uint rvaArchitecture = rdr.ReadLeUInt32();
uint cbArchitecture = rdr.ReadLeUInt32();
if (--dictionaryCount == 0) return;
uint rvaGlobalPointer = rdr.ReadLeUInt32();
uint cbGlobalPointer = rdr.ReadLeUInt32();
if (--dictionaryCount == 0) return;
uint rvaTls = rdr.ReadLeUInt32();
uint cbTls = rdr.ReadLeUInt32();
if (--dictionaryCount == 0) return;
uint rvaLoadConfig = rdr.ReadLeUInt32();
uint cbLoadConfig = rdr.ReadLeUInt32();
if (--dictionaryCount == 0) return;
uint rvaBoundImport = rdr.ReadLeUInt32();
uint cbBoundImport = rdr.ReadLeUInt32();
if (--dictionaryCount == 0) return;
uint rvaIat = rdr.ReadLeUInt32();
uint cbIat = rdr.ReadLeUInt32();
if (--dictionaryCount == 0) return;
this.rvaDelayImportDescriptor = rdr.ReadLeUInt32();
uint cbDelayImportDescriptor = rdr.ReadLeUInt32();
}
/// <summary>
/// Reads the ELF header.
/// </summary>
/// <returns></returns>
private Elf32_Ehdr ReadElfHeaderStart()
{
var rdr = new ImageReader(RawImage, 0);
var h = new Elf32_Ehdr();
h.e_ident = rdr.ReadBeUInt32();
h.e_class = rdr.ReadByte();
h.endianness = rdr.ReadByte();
h.version = rdr.ReadByte();
h.osAbi = rdr.ReadByte();
rdr.Seek(8); // 8 bytes of padding.
// Now that we know the endianness, read the remaining fields in endian mode.
rdr = CreateImageReader(h.endianness, rdr.Offset);
h.e_type = rdr.ReadInt16();
h.e_machine = rdr.ReadInt16();
h.e_version = rdr.ReadInt32();
h.e_entry = rdr.ReadUInt32();
h.e_phoff = rdr.ReadUInt32();
h.e_shoff = rdr.ReadUInt32();
h.e_flags = rdr.ReadInt32();
h.e_ehsize = rdr.ReadInt16();
h.e_phentsize = rdr.ReadInt16();
h.e_phnum = rdr.ReadInt16();
h.e_shentsize = rdr.ReadInt16();
h.e_shnum = rdr.ReadInt16();
h.e_shstrndx = rdr.ReadInt16();
Dump("e_type: {0}", h.e_type);
Dump("e_machine: {0}", (MachineType) h.e_machine);
Dump("e_version: {0}", h.e_version);
Dump("e_entry: {0:X}", h.e_entry);
Dump("e_phoff: {0:X}", h.e_phoff);
Dump("e_shoff: {0:X}", h.e_shoff);
Dump("e_flags: {0:X}", h.e_flags);
Dump("e_ehsize: {0}", h.e_ehsize);
Dump("e_phentsize: {0}", h.e_phentsize);
Dump("e_phnum: {0}", h.e_phnum);
Dump("e_shentsize: {0}", h.e_shentsize);
Dump("e_shnum: {0}", h.e_shnum);
Dump("e_shstrndx: {0}", h.e_shstrndx);
return h;
}
private MachineOperand ParseOperandInner(byte addressMode, byte operandBits, PrimitiveType dataWidth, ImageReader rdr)
{
Constant offset;
switch (addressMode)
{
case 0: // Data register direct.
return DataRegisterOperand(operandBits, 0);
case 1: // Address register direct
return new RegisterOperand(AddressRegister(operandBits, 0));
case 2: // Address register indirect
return MemoryOperand.Indirect(dataWidth, AddressRegister(operandBits, 0));
case 3: // Address register indirect with postincrement.
return MemoryOperand.PostIncrement(dataWidth, AddressRegister(operandBits, 0));
case 4: // Address register indirect with predecrement.
return MemoryOperand.PreDecrement(dataWidth, AddressRegister(operandBits, 0));
case 5: // Address register indirect with displacement.
offset = Constant.Int16(rdr.ReadBeInt16());
return MemoryOperand.Indirect(dataWidth, AddressRegister(operandBits, 0), offset);
case 6: // Address register indirect with index
return AddressRegisterIndirectWithIndex(dataWidth, rdr);
case 7:
switch (operandBits)
{
case 0: // Absolute short address
return new M68kAddressOperand(rdr.ReadBeUInt16());
case 1: // Absolute long address
return new M68kAddressOperand(rdr.ReadBeUInt32());
case 2: // Program counter with displacement
var off = rdr.Address - dasm.instr.Address;
off += rdr.ReadBeInt16();
return new MemoryOperand(dataWidth, Registers.pc, Constant.Int16((short) off));
case 3:
// Program counter with index
var addrExt = rdr.Address;
ushort extension = rdr.ReadBeUInt16();
if (EXT_FULL(extension))
{
if (EXT_EFFECTIVE_ZERO(extension))
{
return new M68kImmediateOperand(Constant.Word32(0));
}
Constant @base = null;
Constant outer = null;
if (EXT_BASE_DISPLACEMENT_PRESENT(extension))
@base = EXT_BASE_DISPLACEMENT_LONG(extension)
? rdr.ReadBe(PrimitiveType.Word32)
: rdr.ReadBe(PrimitiveType.Int16);
if (EXT_OUTER_DISPLACEMENT_PRESENT(extension))
outer = EXT_OUTER_DISPLACEMENT_LONG(extension)
? rdr.ReadBe(PrimitiveType.Word32)
: rdr.ReadBe(PrimitiveType.Int16);
RegisterStorage base_reg = EXT_BASE_REGISTER_PRESENT(extension)
? Registers.pc
: null;
RegisterStorage index_reg = null;
PrimitiveType index_width = null;
int index_scale = 0;
if (EXT_INDEX_REGISTER_PRESENT(extension))
{
index_reg = EXT_INDEX_AR(extension)
? Registers.AddressRegister((int)EXT_INDEX_REGISTER(extension))
: Registers.DataRegister((int)EXT_INDEX_REGISTER(extension));
index_width = EXT_INDEX_LONG(extension) ? PrimitiveType.Word32 : PrimitiveType.Int16;
index_scale = (EXT_INDEX_SCALE(extension) != 0)
? 1 << EXT_INDEX_SCALE(extension)
: 0;
}
return new IndexedOperand(dataWidth, @base, outer, base_reg, index_reg, index_width, index_scale,
(extension & 7) > 0 && (extension & 7) < 4,
(extension & 7) > 4);
}
return new IndirectIndexedOperand(
EXT_8BIT_DISPLACEMENT(extension),
Registers.pc,
EXT_INDEX_AR(extension) ? Registers.AddressRegister((int)EXT_INDEX_REGISTER(extension)) : Registers.DataRegister((int)EXT_INDEX_REGISTER(extension)),
EXT_INDEX_LONG(extension) ? PrimitiveType.Word32 : PrimitiveType.Int16,
1 << EXT_INDEX_SCALE(extension));
case 4:
// Immediate
if (dataWidth.Size == 1) // don't want the instruction stream to get misaligned!
rdr.ReadByte();
return new M68kImmediateOperand(rdr.ReadBe(dataWidth));
default:
throw new NotImplementedException(string.Format("Address mode {0}:{1} not implemented.", addressMode, operandBits));
}
default:
throw new NotImplementedException(string.Format("Address mode {0:X1} not implemented.", addressMode));
}
}
private static M68kImmediateOperand GetImmediate(ImageReader rdr, PrimitiveType type)
{
if (type.Size == 1)
{
rdr.ReadByte(); // skip a byte so we get the appropriate lsb byte and align the word stream.
}
return new M68kImmediateOperand(rdr.ReadBe(type));
}
private static string ReadSectionName(ImageReader rdr)
{
byte [] bytes = new Byte[8];
for (int b = 0; b < bytes.Length; ++b)
{
bytes[b] = rdr.ReadByte();
}
Encoding asc = Encoding.ASCII;
char [] chars = asc.GetChars(bytes);
int i;
for (i = chars.Length - 1; i >= 0; --i)
{
if (chars[i] != 0)
{
++i;
break;
}
}
return new String(chars, 0, i);
}
/// <summary>
/// Paints a line of the memory control, starting with the address.
/// </summary>
/// <remarks>
/// The strategy is to find any items present at the current address, and try
/// to paint as many adjacent items as possible.
/// </remarks>
/// <param name="g"></param>
/// <param name="rc"></param>
/// <param name="rdr"></param>
private Address PaintLine(Graphics g, Rectangle rc, ImageReader rdr, Point ptAddr, bool render)
{
StringBuilder sbCode = new StringBuilder(" ");
// Draw the address part.
rc.X = 0;
string s = string.Format("{0}", rdr.Address);
int cx = (int) g.MeasureString(s + "X", ctrl.Font, rc.Width, StringFormat.GenericTypographic).Width;
if (!render && new Rectangle(rc.X, rc.Y, cx, rc.Height).Contains(ctrl.ptDown))
{
return rdr.Address;
}
else
{
g.FillRectangle(SystemBrushes.Window, rc.X, rc.Y, cx, rc.Height);
g.DrawString(s, ctrl.Font, SystemBrushes.ControlText, rc.X, rc.Y, StringFormat.GenericTypographic);
}
cx -= cellSize.Width / 2;
rc = new Rectangle(cx, rc.Top, rc.Width - cx, rc.Height);
uint rowBytesLeft = ctrl.cbRow;
ulong linearSelected = ctrl.addrSelected != null ? ctrl.addrSelected.ToLinear() : ~0UL;
ulong linearAnchor = ctrl.addrAnchor != null ? ctrl.addrAnchor.ToLinear() : ~0UL;
ulong linearBeginSelection = Math.Min(linearSelected, linearAnchor);
ulong linearEndSelection = Math.Max(linearSelected, linearAnchor);
do
{
Address addr = rdr.Address;
ulong linear = addr.ToLinear();
ImageMapItem item;
if (!ctrl.ImageMap.TryFindItem(addr, out item))
break;
ulong cbIn = (linear - item.Address.ToLinear()); // # of bytes 'inside' the block we are.
uint cbToDraw = 16; // item.Size - cbIn;
// See if the chunk goes off the edge of the line. If so, clip it.
if (cbToDraw > rowBytesLeft)
cbToDraw = rowBytesLeft;
// Now paint the bytes in this span.
for (int i = 0; i < cbToDraw; ++i)
{
Address addrByte = rdr.Address;
ctrl.ImageMap.TryFindItem(addrByte, out item);
bool isSelected = linearBeginSelection <= addrByte.ToLinear() && addrByte.ToLinear() <= linearEndSelection;
bool isCursor = addrByte.ToLinear() == linearSelected;
if (rdr.IsValid)
{
byte b = rdr.ReadByte();
s = string.Format("{0:X2}", b);
char ch = (char) b;
sbCode.Append(Char.IsControl(ch) ? '.' : ch);
}
else
{
s = "??";
sbCode.Append(' ');
}
cx = cellSize.Width * 3;
Rectangle rcByte = new Rectangle(
rc.Left,
rc.Top,
cx,
rc.Height);
if (!render && rcByte.Contains(ptAddr))
return addrByte;
var theme = GetBrushTheme(item, isSelected);
g.FillRectangle(theme.Background, rc.Left, rc.Top, cx, rc.Height);
if (!isSelected && theme.StartMarker != null && addrByte.ToLinear() == item.Address.ToLinear())
{
var pts = new Point[]
{
rc.Location,
rc.Location,
rc.Location,
};
pts[1].Offset(4, 0);
pts[2].Offset(0, 4);
g.FillClosedCurve(theme.StartMarker, pts);
}
g.DrawString(s, ctrl.Font, theme.Foreground, rc.Left + cellSize.Width / 2, rc.Top, StringFormat.GenericTypographic);
if (isCursor)
{
ControlPaint.DrawFocusRectangle(g, rc);
}
rc = new Rectangle(rc.X + cx, rc.Y, rc.Width - cx, rc.Height);
}
rowBytesLeft -= cbToDraw;
} while (rowBytesLeft > 0);
if (render)
{
g.FillRectangle(SystemBrushes.Window, rc);
g.DrawString(sbCode.ToString(), ctrl.Font, SystemBrushes.WindowText, rc.X + cellSize.Width, rc.Top, StringFormat.GenericTypographic);
}
return null;
}
