public void ApplyRelocation(uint baseOfImage, uint page, ImageReader rdr, RelocationDictionary relocations)
{
ushort fixup = rdr.ReadLeUInt16();
switch (fixup >> 12)
{
case RelocationAbsolute:
// Used for padding to 4-byte boundary, ignore.
break;
case RelocationHighLow:
{
uint offset = page + (fixup & 0x0FFFu);
uint n = (uint)(imgLoaded.ReadLeUInt32(offset) + (baseOfImage - preferredBaseOfImage.ToLinear()));
imgLoaded.WriteLeUInt32(offset, n);
relocations.AddPointerReference(offset, n);
break;
}
case 0xA:
break;
default:
throw new NotImplementedException(string.Format("Fixup type: {0:X}", fixup >> 12));
}
}
private void Write(MachineOperand op, TWord w)
{
var r = op as RegisterOperand;
if (r != null)
{
WriteRegister(r.Register, w);
return;
}
var m = op as MemoryOperand;
if (m != null)
{
var ea = GetEffectiveAddress(m);
switch (op.Width.Size)
{
case 1: img.WriteByte(Address.Ptr32(ea), (byte)w); return;
case 4: img.WriteLeUInt32(Address.Ptr32(ea), (UInt32)w); return;
}
throw new NotImplementedException();
}
throw new NotImplementedException();
}
public void ApplyRelocation(uint baseOfImage, uint page, ImageReader rdr, RelocationDictionary relocations)
{
ushort fixup = rdr.ReadLeUInt16();
uint offset = page + (fixup & 0x0FFFu);
switch (fixup >> 12)
{
case RelocationAbsolute:
// Used for padding to 4-byte boundary, ignore.
break;
case RelocationHighLow:
{
uint n = (uint) (imgLoaded.ReadLeUInt32(offset) + (baseOfImage - preferredBaseOfImage.ToLinear()));
imgLoaded.WriteLeUInt32(offset, n);
relocations.AddPointerReference(offset, n);
break;
}
case 0xA:
break;
default:
var dcSvc = Services.RequireService<DecompilerEventListener>();
dcSvc.Warn(
dcSvc.CreateAddressNavigator(program, Address.Ptr32(offset)),
string.Format(
"Unsupported PE fixup type: {0:X}",
fixup >> 12));
break;
}
#if I386
//
// I386 relocation types.
//
const static final ushort IMAGE_REL_I386_ABSOLUTE = 0x0000; // Reference is absolute, no relocation is necessary
const static final ushort IMAGE_REL_I386_DIR16 = 0x0001; // Direct 16-bit reference to the symbols virtual address
const static final ushort IMAGE_REL_I386_REL16 = 0x0002; // PC-relative 16-bit reference to the symbols virtual address
const static final ushort IMAGE_REL_I386_DIR32 = 0x0006; // Direct 32-bit reference to the symbols virtual address
const static final ushort IMAGE_REL_I386_DIR32NB = 0x0007; // Direct 32-bit reference to the symbols virtual address, base not included
const static final ushort IMAGE_REL_I386_SEG12 = 0x0009; // Direct 16-bit reference to the segment-selector bits of a 32-bit virtual address
const static final ushort IMAGE_REL_I386_SECTION = 0x000A;
const static final ushort IMAGE_REL_I386_SECREL = 0x000B;
const static final ushort IMAGE_REL_I386_TOKEN = 0x000C; // clr token
const static final ushort IMAGE_REL_I386_SECREL7 = 0x000D; // 7 bit offset from base of section containing target
const static final ushort IMAGE_REL_I386_REL32 = 0x0014; // PC-relative 32-bit reference to the symbols virtual address
