+
+ /* Turn on relaxation if executable sections have addresses that
+ might make branches overflow. */
+ if (!command_line.relax)
+ {
+ bfd_vma low = (bfd_vma) -1;
+ bfd_vma high = 0;
+ asection *o;
+
+ /* Run lang_size_sections (if not already done). */
+ if (expld.phase != lang_mark_phase_enum)
+ {
+ expld.phase = lang_mark_phase_enum;
+ expld.dataseg.phase = exp_dataseg_none;
+ one_lang_size_sections_pass (NULL, FALSE);
+ lang_reset_memory_regions ();
+ }
+
+ for (o = link_info.output_bfd->sections; o != NULL; o = o->next)
+ {
+ if ((o->flags & (SEC_ALLOC | SEC_CODE)) != (SEC_ALLOC | SEC_CODE))
+ continue;
+ if (o->rawsize == 0)
+ continue;
+ if (low > o->vma)
+ low = o->vma;
+ if (high < o->vma + o->rawsize - 1)
+ high = o->vma + o->rawsize - 1;
+ }
+ if (high > low && high - low > (1 << 25) - 1)
+ command_line.relax = TRUE;
+ }