internal CharsElement(Font font, Brush brush, MemoryHandler.Region val, uint address, int size) : base(font, brush)
{
m_val = new char[size];
for (int i = 0; i < size; i++)
{
byte c;
if (val.GetByte(address++, out c) == false)
{
m_val[i] = '?';
}
else if (c >= 20 && c < 128)
{
m_val[i] = (char)c;
}
else
{
m_val[i] = '.';
}
}
}
protected override void OnPaint(PaintEventArgs pe)
{
if (m_mh == null)
{
return;
}
int width = this.Width;
int height = this.Height;
if (m_bm == null || m_bm.Width != width || m_bm.Height != height)
{
m_bm = new Bitmap(width, height);
Graphics gfx = Graphics.FromImage(m_bm);
Font f = this.Font;
int rows = (height + f.Height - 1) / f.Height;
uint address = m_address;
MemoryHandler.Region data = m_mh.ReadRegion(address, m_addressIncrement * rows);
int pos;
m_elements = new ElementGroup();
gfx.Clear(Color.White);
for (float y = 0; y < height; address += (uint)m_addressIncrement)
{
Element el = (Element)m_elementsMemory[address];
if (el == null)
{
ElementGroup line = new ElementGroup();
PointF pt = new PointF(0, 0);
string symbol;
uint val32;
ushort val16;
byte val8;
symbol = m_symbols_AddressToString[address] as string;
if (symbol != null)
{
el = new TextElement(f, Brushes.Purple, String.Format("{0}:", symbol)); line.Add(el);
pt.Y += 2;
pt = el.Prepare(gfx, pt);
pt.X = 0;
pt.Y += f.Height;
}
el = new AddressElement(f, Brushes.Red, address);
InsertElement(line, el, gfx, ref pt, 0, 6);
switch (m_viewMode)
{
case ViewMode.Words:
case ViewMode.Disassembly:
for (pos = 0; pos < m_addressIncrement; pos += 4)
{
if (data.GetWord((uint)(address + pos), out val32))
{
el = new WordElement(f, Brushes.Black, val32);
}
else
{
el = new TextElement(f, Brushes.Black, "XXXXXXXX");
}
InsertElement(line, el, gfx, ref pt, 0, 6);
}
break;
case ViewMode.Shorts:
for (pos = 0; pos < m_addressIncrement; pos += 2)
{
if (data.GetShort((uint)(address + pos), out val16))
{
el = new ShortElement(f, Brushes.Black, val16);
}
else
{
el = new TextElement(f, Brushes.Black, "XXXX");
}
InsertElement(line, el, gfx, ref pt, 0, 6);
}
break;
case ViewMode.Bytes:
for (pos = 0; pos < m_addressIncrement; pos += 1)
{
if (data.GetByte((uint)(address + pos), out val8))
{
el = new ByteElement(f, Brushes.Black, val8);
}
else
{
el = new TextElement(f, Brushes.Black, "XX");
}
InsertElement(line, el, gfx, ref pt, 0, 6);
}
break;
case ViewMode.HeapBlocks:
for (pos = 0; pos < m_addressIncrement; pos += 4)
{
if (data.GetWord((uint)(address + pos), out val32))
{
el = new WordElement(f, Brushes.Black, val32);
}
else
{
el = new TextElement(f, Brushes.Black, "XXXXXXXX");
}
InsertElement(line, el, gfx, ref pt, 0, 6);
}
break;
}
el = new CharsElement(f, Brushes.Blue, data, address, m_addressIncrement);
InsertElement(line, el, gfx, ref pt, 10, 10);
if (m_viewMode == ViewMode.Disassembly)
{
uint res;
if (data.GetWord(address, out res))
{
string str;
uint target = 0;
bool targetIsCode = false;
try
{
str = _DBG.ArmDisassembler.DecodeAndPrint(address, res, ref target, ref targetIsCode);
}
catch
{
str = null;
}
el = new TextElement(f, Brushes.Maroon, str);
if (target != 0xFFFFFFFF)
{
el.Value = target;
}
InsertElement(line, el, gfx, ref pt, 0, 6);
symbol = m_symbols_AddressToString[target] as string;
if (symbol != null)
{
el = new TextElement(f, Brushes.Purple, String.Format("{0}", symbol));
el.Value = target;
InsertElement(line, el, gfx, ref pt, 0, 0);
}
else if (target != 0xFFFFFFFF && targetIsCode == false)
{
MemoryHandler.Region data2 = m_mh.ReadRegion(target, 4);
if (data2.GetWord(target, out res))
{
el = new TextElement(f, Brushes.Purple, String.Format("= #0x{0,8:X8}", res));
el.Value = res;
InsertElement(line, el, gfx, ref pt, 0, 0);
}
}
}
}
else if (m_viewMode == ViewMode.HeapBlocks)
{
if (data.GetWord(address, out val32))
{
uint dt = (val32 >> 0) & 0x00FF;
uint flags = (val32 >> 8) & 0x00FF;
uint size = (val32 >> 16) & 0xFFFF;
if (dt > (uint)_DBG.RuntimeDataType.DATATYPE_STACK_FRAME)
{
dt++;
}
if (dt >= (uint)_DBG.RuntimeDataType.DATATYPE_FIRST_INVALID)
{
el = new TextElement(f, Brushes.Red, String.Format("Invalid data type: {0}", dt));
}
else
{
el = new TextElement(f, Brushes.DarkGreen, String.Format("{0} {1} Size:{2} Next:{3,8:X8}", (_DBG.RuntimeDataType)dt, flags, size, address + size * 12));
el.Value = (uint)(address + size * 12);
}
InsertElement(line, el, gfx, ref pt, 10, 6);
}
}
m_elementsMemory[address] = line;
el = line;
}
el.SetOrigin(0, y);
m_elements.Add(el);
y += el.Bounds.Bottom;
if (m_selected == null)
{
foreach (Element el2 in el)
{
if (el2 is AddressElement && el2.Value.Equals(m_selectedAddress))
{
m_selected = el2;
m_selected.Selected = true;
break;
}
}
}
}
m_elements.Draw(gfx);
}
pe.Graphics.DrawImage(m_bm, 0, 0);
}
