Esempio n. 1
0
 private void RelocateSegmentReferences(LoadedImage image)
 {
     foreach (var seg in segments)
     {
         foreach (var reloc in seg.Relocations)
         {
             image.WriteLeUInt16((uint)((reloc.Segment.Selector - addrBase.Selector.Value) * 16u + reloc.Offset), seg.Selector);
         }
     }
 }
Esempio n. 2
0
        // Unpacks the relocation entries in a LzExe 0.91 binary
        private ImageMap Relocate91(byte [] abUncompressed, ushort segReloc, LoadedImage pgmImgNew, RelocationDictionary relocations)
        {
            const int CompressedRelocationTableAddress = 0x0158;
            int ifile = lzHdrOffset + CompressedRelocationTableAddress;

            int rel_off=0;
            for (;;)
            {
                ushort span = abUncompressed[ifile++];
                if (span == 0)
                {
                    span = abUncompressed[ifile++];
                    span |= (ushort) (abUncompressed[ifile++] << 8);
                    if (span == 0)
                    {
                        rel_off += 0x0FFF0;
                        continue;
                    }
                    else if (span == 1)
                    {
                        break;
                    }
                }

                rel_off += span;
                ushort seg = (ushort) (pgmImgNew.ReadLeUInt16((uint)rel_off) + segReloc);
                pgmImgNew.WriteLeUInt16((uint)rel_off, seg);
                relocations.AddSegmentReference((uint)rel_off, seg);
                imageMap.AddSegment(Address.SegPtr(seg, 0), seg.ToString("X4"), AccessMode.ReadWriteExecute, 0);
            }
            return imageMap;
        }