binutils-2.17/bfd/elf64-ppc.c

191 /* Since .opd is an array of descriptors and each entry will end up
193    propagate .opd relocs;  The dynamic linker should be taught to
194    relocate .opd without reloc entries.  */
2224   if (strcmp (symbol->section->name, ".opd") == 0
2443        on removed .opd entries to this section so that the sym is removed.  */
2595   /* An array with one entry for each opd function descriptor.  */
2598     /* Points to the function code section for local opd entries.  */
2600     /* After editing .opd, adjust references to opd local syms.  */
2602   } opd;
2631       && ppc64_elf_section_data (sec)->opd.adjust != NULL)
2632     return ppc64_elf_section_data (sec)->opd.adjust;
2655   /* then .opd symbols.  */
2772   asection *opd;
2778   opd = bfd_get_section_by_name (abfd, ".opd");
2779   if (opd == NULL)
2803   synthetic_opd = opd;
2821   if (syms[i]->section == opd)
2838     if (syms[i]->section != opd)
2860       relcount = (opd->flags & SEC_RELOC) ? opd->reloc_count : 0;
2864       if (!(*slurp_relocs) (abfd, opd, static_syms, FALSE))
2871       for (i = secsymend, r = opd->relocation; i < opdsymend; ++i)
2875 	  while (r < opd->relocation + relcount
2876 		 && r->address < syms[i]->value + opd->vma)
2879 	  if (r == opd->relocation + relcount)
2882 	  if (r->address != syms[i]->value + opd->vma)
2907       for (i = secsymend, r = opd->relocation; i < opdsymend; ++i)
2911 	  while (r < opd->relocation + relcount
2912 		 && r->address < syms[i]->value + opd->vma)
2915 	  if (r == opd->relocation + relcount)
2918 	  if (r->address != syms[i]->value + opd->vma)
2947       if (!bfd_malloc_and_get_section (abfd, opd, &contents))
3056    .		.section .opd
3065    unsurprisingly just goes to .foo and the .opd information is unused.
3067    different:  The call goes via a plt call stub, the opd information gets
3089    an R_PPC64_JMP_SLOT reloc against foo.  The dynamic linker does the opd
3186    the address of a function descriptor, which resides in the .opd
3316   /* Whether global opd/toc sym has been adjusted or not.
3318      should be set for all globals defined in any opd/toc section.  */
4126 /* Fix function descriptor symbols defined in .opd sections to be
4139       && strcmp (bfd_get_section_name (ibfd, *sec), ".opd") == 0)
4404   if (strcmp (bfd_get_section_name (abfd, sec), ".opd") == 0)
4406       /* Garbage collection needs some extra help with .opd sections.
4408 	 relocs in .opd, as that would keep all functions.  Instead,
4409 	 if we reference an .opd symbol (a function descriptor), we
4414 	 local syms in .opd.  */
4425       ppc64_elf_section_data (sec)->opd.func_sec = opd_sym_map;
4781 	  /* Don't propagate .opd relocs.  */
4961   /* Go find the opd reloc at the sym address.  */
5136   /* Syms return NULL if we're marking .opd, so we avoid marking all
5137      function sections, as all functions are referenced in .opd.  */
5172 		  /* They also mark their opd section.  */
6131 /* Adjust all global syms defined in opd sections.  In gcc generated
6345       sec = bfd_get_section_by_name (ibfd, ".opd");
6358 	  ppc64_elf_section_data (sec)->opd.adjust = opd_adjust;
6386 	 determine whether we need to edit this opd section.  */
6399 	  /* .opd contains a regular array of 16 or 24 byte entries.  We're
6406 	      /* If someone messes with .opd alignment then after a
6407 		 "ld -r" we might have padding in the middle of .opd.
6409 		 something silly in .opd with the assembler.  No .opd
6413 		(_("%B: .opd is not a regular array of opd entries"), ibfd);
6422 		(_("%B: unexpected reloc type %u in .opd section"),
6443 		(_("%B: undefined sym `%s' in .opd section"),
6449 	  /* opd entries are always for functions defined in the
6509 	  /* This seems a waste of time as input .opd sections are all
6512 	     the third word of .opd entries.  */
6565 		  /* See if the .opd entry is full 24 byte or
6603 		      /* We'll be keeping this opd entry.  */
6608 			     this location in the opd section.  It is
6651 		     new opd entries.  While we're at it, we may as well
6691   /* If we are doing a final link and the last .opd entry is just 16 byte
6851 		     STT_TLS.  So no need for .opd local sym adjust.  */
8320 		/* H is an opd symbol.  The addend must be zero.  */
8829       /* If this branch reloc uses an opd sym, find the code section.  */
8955 	 to use the right TOC (obviously).  Also, make sure that .opd gets
9698   if (strcmp (".opd", sec->name) == 0)
9777   is_opd = ppc64_elf_section_data (input_section)->opd.adjust != NULL;
9841 		  /* If this is a relocation against the opd section sym
9842 		     and we have edited .opd, adjust the reloc addend so
9844 		     If it is a reloc against some other .opd symbol,
10350 	      /* The branch destination is the value of the opd entry. */
10860 		     or this is an opd section reloc which must point
10867 			  /* Lie about opd entries.  This case occurs
10875 			     In these cases we won't use the opd
10881 		      /* We need to relocate .opd contents for ld.so.
10937 		     case of .opd where the contents might be accessed
11151 /* Adjust the value of any local symbols in opd sections.  */
11323 	      s = bfd_get_section_by_name (output_bfd, ".opd");
11330 	      s = bfd_get_section_by_name (output_bfd, ".opd");