public void DisplayImageSegment(ImageMapSegment segment, Program program)
{
if (segment == null)
return;
ShowWindow("imageSegmentViewer", "Segment: " + segment.Name, pane);
pane.DisplaySegment(segment, program);
}
public override void Render(ImageMapSegment segment, Program program, Formatter formatter)
{
var entries = shdr.sh_size / shdr.sh_entsize;
var symtab = (int)shdr.sh_link;
var rdr = loader.CreateReader(shdr.sh_offset);
for (int i = 0; i < entries; ++i)
{
uint iName;
if (!rdr.TryReadUInt32(out iName))
return;
uint value;
if (!rdr.TryReadUInt32(out value))
return;
uint size;
if (!rdr.TryReadUInt32(out size))
return;
byte info;
if (!rdr.TryReadByte(out info))
return;
byte other;
if (!rdr.TryReadByte(out other))
return;
ushort shIndex;
if (!rdr.TryReadUInt16(out shIndex))
return;
string symStr = loader.GetStrPtr(symtab, iName);
string segName = loader.GetSectionName(shIndex);
formatter.Write("{0,-40} {1:X8} {2:X8} {3:X2} {4}", symStr, value, size, info & 0xFF, segName);
formatter.WriteLine();
}
}
public void Setup()
{
mr = new MockRepository();
seg1 = new ImageMapSegment("seg1", AccessMode.Execute) { Address = Address.Ptr32(0x01000) };
seg2 = new ImageMapSegment("seg2", AccessMode.Execute) { Address = Address.Ptr32(0x02000) };
map = new ImageMap(seg1.Address, 0x4000);
}
public override void Initialize(object obj)
{
this.segment = (ImageMapSegment) obj;
base.TreeNode.Text = segment.Name;
base.TreeNode.ImageName = GetImageName();
base.TreeNode.ToolTipText = GetTooltip();
PopulateChildren();
}
public override void Render(ImageMapSegment segment, Program program, Formatter formatter)
{
// Get the entry that has the segment# for the string table.
var dynStrtab = loader.GetDynEntries(shdr.sh_offset).Where(d => d.d_tag == DT_STRTAB).FirstOrDefault();
if (dynStrtab == null)
return;
var strtabSection = loader.GetSectionInfoByAddr(dynStrtab.d_ptr);
foreach (var entry in loader.GetDynEntries(shdr.sh_offset))
{
switch (entry.d_tag)
{
default:
formatter.Write("{0,-12} {1:X8}", entry.d_tag, entry.d_val);
break;
case DT_DEBUG:
formatter.Write("{0,-12} {1:X8}", "DT_DEBUG", entry.d_val);
break;
case DT_FINI:
formatter.Write("{0,-12} ", "DT_FINI");
formatter.WriteHyperlink(string.Format("{0:X8}", entry.d_ptr), Address.Ptr32(entry.d_ptr));
break;
case DT_HASH:
formatter.Write("{0,-12} ", "DT_HASH");
formatter.WriteHyperlink(string.Format("{0:X8}", entry.d_ptr), Address.Ptr32(entry.d_ptr));
break;
case DT_INIT:
formatter.Write("{0,-12} ", "DT_INIT");
formatter.WriteHyperlink(string.Format("{0:X8}", entry.d_ptr), Address.Ptr32(entry.d_ptr));
break;
case DT_JMPREL:
formatter.Write("{0,-12} ", "DT_JMPREL");
formatter.WriteHyperlink(string.Format("{0:X8}", entry.d_ptr), Address.Ptr32(entry.d_ptr));
break;
case DT_NEEDED:
formatter.Write("{0,-12} {1}", "DT_NEEDED", loader.ReadAsciiString(loader.RawImage, strtabSection.sh_offset + entry.d_ptr));
break;
case DT_STRSZ:
formatter.Write("{0,-12} {1:X}", "DT_STRSZ", entry.d_val);
break;
case DT_STRTAB:
formatter.Write("{0,-12} ", "DT_STRTAB");
formatter.WriteHyperlink(string.Format("{0:X8}", entry.d_ptr), Address.Ptr32(entry.d_ptr));
break;
case DT_SYMENT:
formatter.Write("{0,-12} {1}", "DT_SYMENTTRTAB", entry.d_val);
break;
case DT_SYMTAB:
formatter.Write("{0,-12} ", "DT_SYMTAB");
formatter.WriteHyperlink(string.Format("{0:X8}", entry.d_ptr), Address.Ptr32(entry.d_ptr));
break;
}
formatter.WriteLine();
}
}
public override void Render(ImageMapSegment segment, Program program, Formatter formatter)
{
var entries = shdr.sh_size / shdr.sh_entsize;
var symtab = (int)shdr.sh_link;
var rdr = loader.CreateReader(shdr.sh_offset);
for (int i = 0; i < entries; ++i)
{
uint offset;
if (!rdr.TryReadUInt32(out offset))
return;
uint info;
if (!rdr.TryReadUInt32(out info))
return;
uint sym = info >> 8;
string symStr = loader.GetSymbol(symtab, (int)sym);
formatter.Write("{0:X8} {1,3} {2:X8} {3}", offset, info & 0xFF, sym, symStr);
formatter.WriteLine();
}
}
public void DisplaySegment(ImageMapSegment segment, Program program)
{
try
{
if (segmentView == null ||
segment == null ||
segment.Designer == null)
return;
this.program = program;
var tsf = new TextSpanFormatter();
segment.Designer.Render(
segment,
program,
tsf);
this.segmentView.TextView.Model = tsf.GetModel();
}
catch
{
}
}
private uint ImageSize(ImageMapSegment [] segs)
{
Address addrStart = segs[0].Address;
Address addrEnd = segs[segs.Length - 1].Address;
return segs[segs.Length - 1].Size + (uint) (addrEnd - addrStart);
}
private ImageMapSegment [] ExtractSegments()
{
ImageMapSegment [] segs = new ImageMapSegment[map.Segments.Count];
map.Segments.Values.CopyTo(segs, 0);
return segs;
}
private void PaintSegment(ImageMapSegment seg, Graphics g, Rectangle rc)
{
g.FillRectangle(Brushes.White, rc);
g.DrawRectangle(seg == segSelected ? Pens.Red : Pens.Black, rc);
}
void parseSection64(uint protection)
{
var abSectname = rdr.ReadBytes(16);
var abSegname = rdr.ReadBytes(16);
ulong addr;
ulong size;
uint offset;
uint align;
uint reloff;
uint nreloc;
uint flags;
uint reserved1;
uint reserved2;
uint reserved3;
if (!rdr.TryReadUInt64(out addr) ||
!rdr.TryReadUInt64(out size) ||
!rdr.TryReadUInt32(out offset) ||
!rdr.TryReadUInt32(out align) ||
!rdr.TryReadUInt32(out reloff) ||
!rdr.TryReadUInt32(out nreloc) ||
!rdr.TryReadUInt32(out flags) ||
!rdr.TryReadUInt32(out reserved1) ||
!rdr.TryReadUInt32(out reserved2) ||
!rdr.TryReadUInt32(out reserved3))
{
throw new BadImageFormatException("Could not read Mach-O section.");
}
var sectionName = GetAsciizString(abSectname);
var segmentName = GetAsciizString(abSegname);
Debug.Print("Found section '{0}' in segment '{1}, addr = 0x{2:X}, size = 0x{3:X}.",
sectionName,
segmentName,
addr,
size);
AccessMode am = 0;
if ((protection & VM_PROT_READ) != 0)
am |= AccessMode.Read;
if ((protection & VM_PROT_WRITE) != 0)
am |= AccessMode.Write;
if ((protection & VM_PROT_EXECUTE) != 0)
am |= AccessMode.Execute;
var imageSection = new ImageMapSegment(
string.Format("{0},{1}", segmentName, sectionName),
(uint)size,
am); //imageSection.setData(!imageSection->isCode());
//imageSection.setBss((section.flags & SECTION_TYPE) == S_ZEROFILL);
//if (!imageSection.isBss()) {
// auto pos = source_->pos();
// if (!source_->seek(section.offset)) {
// throw ParseError("Could not seek to the beginning of the section's content.");
// }
// auto bytes = source_->read(section.size);
// if (checked_cast<uint>(bytes.size()) != section.size) {
// log_.warning("Could not read all the section's content.");
// } else {
// imageSection->setContent(std::move(bytes));
// }
// source_->seek(pos);
//}
//sections_.push_back(imageSection.get());
//image_->addSection(std::move(imageSection));
}
public override void Render(ImageMapSegment segment, Program program, Core.Output.Formatter formatter)
{
throw new NotImplementedException();
}