+/* Fix up relocation entries. */
+static void
+unrelocate (const char *name, off_t reloff, int nrel)
+{
+ int i, unreloc_count;
+ struct relocation_info reloc_info;
+ struct scattered_relocation_info *sc_reloc_info
+ = (struct scattered_relocation_info *) &reloc_info;
+
+ for (unreloc_count = 0, i = 0; i < nrel; i++)
+ {
+ if (lseek (infd, reloff, L_SET) != reloff)
+ unexec_error ("unrelocate: %s:%d cannot seek to reloc_info", name, i);
+ if (!unexec_read (&reloc_info, sizeof (reloc_info)))
+ unexec_error ("unrelocate: %s:%d cannot read reloc_info", name, i);
+ reloff += sizeof (reloc_info);
+
+ if (sc_reloc_info->r_scattered == 0)
+ switch (reloc_info.r_type)
+ {
+ case GENERIC_RELOC_VANILLA:
+ if (reloc_info.r_address >= data_segment_scp->vmaddr
+ && reloc_info.r_address < (data_segment_scp->vmaddr
+ + data_segment_scp->vmsize))
+ {
+ off_t src_off = data_segment_old_fileoff
+ + reloc_info.r_address - data_segment_scp->vmaddr;
+ off_t dst_off = data_segment_scp->fileoff
+ + reloc_info.r_address - data_segment_scp->vmaddr;
+
+ if (!unexec_copy (dst_off, src_off, 1 << reloc_info.r_length))
+ unexec_error ("unrelocate: %s:%d cannot copy original value",
+ name, i);
+ unreloc_count++;
+ }
+ break;
+ default:
+ unexec_error ("unrelocate: %s:%d cannot handle type = %d",
+ name, i, reloc_info.r_type);
+ }
+ else
+ switch (sc_reloc_info->r_type)
+ {
+#if defined (__ppc__)
+ case PPC_RELOC_PB_LA_PTR:
+ /* nothing to do for prebound lazy pointer */
+ break;
+#endif
+ default:
+ unexec_error ("unrelocate: %s:%d cannot handle scattered type = %d",
+ name, i, sc_reloc_info->r_type);
+ }
+ }
+
+ if (nrel > 0)
+ printf ("Fixed up %d/%d %s relocation entries in data segment.\n",
+ unreloc_count, nrel, name);
+}
+