public const short IMAGE_REL_MIPS_PAIR = 0x0025; // This relocation is only valid when it immediately follows a REFHI or SECRELHI relocation. Its SymbolTableIndex contains a displacement and not an index into the symbol table.
public override void ApplyRelocation(Address baseOfImage, uint page, EndianImageReader rdr, RelocationDictionary relocations)
{
ushort fixup = rdr.ReadUInt16();
Address offset = baseOfImage + page + (fixup & 0x0FFFu);
var arch = program.Architecture;
var imgR = program.CreateImageReader(arch, offset);
var imgW = program.CreateImageWriter(arch, offset);
uint w = imgR.ReadUInt32();
int s;
switch (fixup >> 12)
{
case IMAGE_REL_MIPS_ABSOLUTE:
// Used for padding to 4-byte boundary, ignore.
break;
case IMAGE_REL_MIPS_REFWORD:
break;
case IMAGE_REL_MIPS_JMPADDR:
break;
case IMAGE_REL_MIPS_REFHI:
w = imgR.ReadUInt32();
//w += (fixup & 0x0FFFu);
//imgW.WriteUInt32(w);
s = rdr.ReadInt16();
w = (uint)(w + s);
// w points to something.
break;
case IMAGE_REL_MIPS_REFLO:
// w points to something.
break;
default:
dcSvc.Warn(
dcSvc.CreateAddressNavigator(program, offset),
string.Format(
"Unsupported MIPS PE fixup type: {0:X}",
fixup >> 12));
break;
}
}
