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* elf64-ppc.c (dec_dynrel_count): New function split out from
ppc64_elf_edit_toc, with additional code from ppc64_elf_edit_opd. (ppc64_elf_edit_toc, ppc64_elf_edit_opd): Use it. (ppc64_elf_tls_optimize): Likewise.
This commit is contained in:
Alan Modra
parent
a8637a7db7
commit
8c1d1bb8a2
@ -1,3 +1,10 @@
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2005-04-05 Alan Modra <amodra@bigpond.net.au>
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* elf64-ppc.c (dec_dynrel_count): New function split out from
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ppc64_elf_edit_toc, with additional code from ppc64_elf_edit_opd.
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(ppc64_elf_edit_toc, ppc64_elf_edit_opd): Use it.
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(ppc64_elf_tls_optimize): Likewise.
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2005-04-05 Mark Kettenis <kettenis@gnu.org>
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* netbsd-core.c (SPARC_WCOOKIE_OFFSET): Renamed from
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285
bfd/elf64-ppc.c
285
bfd/elf64-ppc.c
@ -5951,6 +5951,125 @@ adjust_opd_syms (struct elf_link_hash_entry *h, void *inf ATTRIBUTE_UNUSED)
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return TRUE;
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}
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/* Handles decrementing dynamic reloc counts for the reloc specified by
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R_INFO in section SEC. If LOCAL_SYMS is NULL, then H and SYM_SEC
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have already been determined. */
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static bfd_boolean
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dec_dynrel_count (bfd_vma r_info,
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asection *sec,
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struct bfd_link_info *info,
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Elf_Internal_Sym **local_syms,
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struct elf_link_hash_entry *h,
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asection *sym_sec)
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{
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enum elf_ppc64_reloc_type r_type;
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struct ppc_dyn_relocs *p;
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struct ppc_dyn_relocs **pp;
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/* Can this reloc be dynamic? This switch, and later tests here
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should be kept in sync with the code in check_relocs. */
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r_type = ELF64_R_TYPE (r_info);
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switch (r_type)
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{
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default:
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return TRUE;
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case R_PPC64_TPREL16:
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case R_PPC64_TPREL16_LO:
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case R_PPC64_TPREL16_HI:
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case R_PPC64_TPREL16_HA:
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case R_PPC64_TPREL16_DS:
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case R_PPC64_TPREL16_LO_DS:
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case R_PPC64_TPREL16_HIGHER:
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case R_PPC64_TPREL16_HIGHERA:
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case R_PPC64_TPREL16_HIGHEST:
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case R_PPC64_TPREL16_HIGHESTA:
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if (!info->shared)
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return TRUE;
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case R_PPC64_TPREL64:
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case R_PPC64_DTPMOD64:
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case R_PPC64_DTPREL64:
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case R_PPC64_ADDR64:
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case R_PPC64_REL30:
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case R_PPC64_REL32:
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case R_PPC64_REL64:
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case R_PPC64_ADDR14:
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case R_PPC64_ADDR14_BRNTAKEN:
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case R_PPC64_ADDR14_BRTAKEN:
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case R_PPC64_ADDR16:
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case R_PPC64_ADDR16_DS:
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case R_PPC64_ADDR16_HA:
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case R_PPC64_ADDR16_HI:
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case R_PPC64_ADDR16_HIGHER:
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case R_PPC64_ADDR16_HIGHERA:
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case R_PPC64_ADDR16_HIGHEST:
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case R_PPC64_ADDR16_HIGHESTA:
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case R_PPC64_ADDR16_LO:
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case R_PPC64_ADDR16_LO_DS:
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case R_PPC64_ADDR24:
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case R_PPC64_ADDR32:
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case R_PPC64_UADDR16:
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case R_PPC64_UADDR32:
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case R_PPC64_UADDR64:
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case R_PPC64_TOC:
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break;
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}
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if (local_syms != NULL)
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{
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unsigned long r_symndx;
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Elf_Internal_Sym *sym;
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bfd *ibfd = sec->owner;
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r_symndx = ELF64_R_SYM (r_info);
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if (!get_sym_h (&h, &sym, &sym_sec, NULL, local_syms, r_symndx, ibfd))
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return FALSE;
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}
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if ((info->shared
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&& (MUST_BE_DYN_RELOC (r_type)
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|| (h != NULL
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&& (!info->symbolic
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|| h->root.type == bfd_link_hash_defweak
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|| !h->def_regular))))
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|| (ELIMINATE_COPY_RELOCS
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&& !info->shared
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&& h != NULL
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&& (h->root.type == bfd_link_hash_defweak
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|| !h->def_regular)))
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;
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else
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return TRUE;
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if (h != NULL)
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pp = &((struct ppc_link_hash_entry *) h)->dyn_relocs;
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else if (sym_sec != NULL)
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pp = (struct ppc_dyn_relocs **) &elf_section_data (sym_sec)->local_dynrel;
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else
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pp = (struct ppc_dyn_relocs **) &elf_section_data (sec)->local_dynrel;
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while ((p = *pp) != NULL)
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{
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if (p->sec == sec)
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{
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if (!MUST_BE_DYN_RELOC (r_type))
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p->pc_count -= 1;
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p->count -= 1;
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if (p->count == 0)
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*pp = p->next;
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return TRUE;
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}
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pp = &p->next;
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}
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(*_bfd_error_handler) (_("dynreloc miscount for %B, section %A"),
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sec->owner, sec);
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bfd_set_error (bfd_error_bad_value);
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return FALSE;
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}
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/* Remove unused Official Procedure Descriptor entries. Currently we
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only remove those associated with functions in discarded link-once
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sections, or weakly defined functions that have been overridden. It
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@ -6271,33 +6390,9 @@ ppc64_elf_edit_opd (bfd *obfd, struct bfd_link_info *info,
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if (skip)
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{
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BFD_ASSERT (MUST_BE_DYN_RELOC (ELF64_R_TYPE (rel->r_info)));
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if (info->shared)
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{
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/* We won't be needing dynamic relocs here. */
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struct ppc_dyn_relocs **pp;
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struct ppc_dyn_relocs *p;
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if (h != NULL)
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pp = &((struct ppc_link_hash_entry *) h)->dyn_relocs;
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else if (sym_sec != NULL)
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pp = ((struct ppc_dyn_relocs **)
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&elf_section_data (sym_sec)->local_dynrel);
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else
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pp = ((struct ppc_dyn_relocs **)
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&elf_section_data (sec)->local_dynrel);
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while ((p = *pp) != NULL)
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{
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if (p->sec == sec)
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{
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p->count -= 1;
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if (p->count == 0)
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*pp = p->next;
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break;
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}
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pp = &p->next;
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}
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}
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if (!dec_dynrel_count (rel->r_info, sec, info,
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NULL, h, sym_sec))
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goto error_ret;
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}
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else
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{
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@ -6668,29 +6763,20 @@ ppc64_elf_tls_optimize (bfd *obfd ATTRIBUTE_UNUSED, struct bfd_link_info *info)
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ent->got.refcount -= 1;
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}
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}
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else if (h != NULL)
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else
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{
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struct ppc_link_hash_entry * eh;
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struct ppc_dyn_relocs **pp;
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struct ppc_dyn_relocs *p;
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/* If we got rid of a DTPMOD/DTPREL reloc pair then
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we'll lose one or two dyn relocs. */
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if (!dec_dynrel_count (rel->r_info, sec, info,
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NULL, h, sym_sec))
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return FALSE;
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/* Adjust dynamic relocs. */
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eh = (struct ppc_link_hash_entry *) h;
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for (pp = &eh->dyn_relocs;
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(p = *pp) != NULL;
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pp = &p->next)
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if (p->sec == sec)
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{
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/* If we got rid of a DTPMOD/DTPREL reloc
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pair then we'll lose one or two dyn
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relocs. */
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if (tls_set == (TLS_EXPLICIT | TLS_GD))
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p->count -= 1;
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p->count -= 1;
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if (p->count == 0)
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*pp = p->next;
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break;
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}
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if (tls_set == (TLS_EXPLICIT | TLS_GD))
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{
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if (!dec_dynrel_count ((rel + 1)->r_info, sec, info,
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NULL, h, sym_sec))
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return FALSE;
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}
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}
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*tls_mask |= tls_set;
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@ -7056,106 +7142,9 @@ ppc64_elf_edit_toc (bfd *obfd ATTRIBUTE_UNUSED, struct bfd_link_info *info)
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wrel->r_addend = rel->r_addend;
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++wrel;
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}
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else
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{
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unsigned long r_symndx;
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enum elf_ppc64_reloc_type r_type;
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asection *sym_sec;
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struct elf_link_hash_entry *h;
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Elf_Internal_Sym *sym;
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struct ppc_dyn_relocs *p;
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struct ppc_dyn_relocs **head;
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/* Can this reloc be dynamic?
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This switch, and later tests here should be kept
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in sync with the code in check_relocs. */
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r_type = ELF64_R_TYPE (rel->r_info);
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switch (r_type)
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{
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default:
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continue;
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case R_PPC64_TPREL16:
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case R_PPC64_TPREL16_LO:
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case R_PPC64_TPREL16_HI:
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case R_PPC64_TPREL16_HA:
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case R_PPC64_TPREL16_DS:
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case R_PPC64_TPREL16_LO_DS:
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case R_PPC64_TPREL16_HIGHER:
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case R_PPC64_TPREL16_HIGHERA:
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case R_PPC64_TPREL16_HIGHEST:
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case R_PPC64_TPREL16_HIGHESTA:
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if (!info->shared)
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continue;
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case R_PPC64_TPREL64:
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case R_PPC64_DTPMOD64:
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case R_PPC64_DTPREL64:
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case R_PPC64_ADDR64:
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case R_PPC64_REL30:
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case R_PPC64_REL32:
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case R_PPC64_REL64:
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case R_PPC64_ADDR14:
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case R_PPC64_ADDR14_BRNTAKEN:
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case R_PPC64_ADDR14_BRTAKEN:
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case R_PPC64_ADDR16:
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case R_PPC64_ADDR16_DS:
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case R_PPC64_ADDR16_HA:
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case R_PPC64_ADDR16_HI:
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case R_PPC64_ADDR16_HIGHER:
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case R_PPC64_ADDR16_HIGHERA:
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case R_PPC64_ADDR16_HIGHEST:
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case R_PPC64_ADDR16_HIGHESTA:
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case R_PPC64_ADDR16_LO:
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case R_PPC64_ADDR16_LO_DS:
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case R_PPC64_ADDR24:
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case R_PPC64_ADDR32:
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case R_PPC64_UADDR16:
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case R_PPC64_UADDR32:
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case R_PPC64_UADDR64:
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case R_PPC64_TOC:
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break;
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}
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r_symndx = ELF64_R_SYM (rel->r_info);
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if (!get_sym_h (&h, &sym, &sym_sec, NULL, &local_syms,
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r_symndx, ibfd))
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goto error_ret;
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if ((info->shared
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&& (MUST_BE_DYN_RELOC (r_type)
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|| (h != NULL
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&& (!info->symbolic
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|| h->root.type == bfd_link_hash_defweak
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|| !h->def_regular))))
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|| (ELIMINATE_COPY_RELOCS
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&& !info->shared
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&& h != NULL
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&& (h->root.type == bfd_link_hash_defweak
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|| !h->def_regular)))
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;
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else
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continue;
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if (h != NULL)
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head = &((struct ppc_link_hash_entry *) h)->dyn_relocs;
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else
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{
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if (sym_sec == NULL)
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goto error_ret;
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head = ((struct ppc_dyn_relocs **)
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&elf_section_data (sym_sec)->local_dynrel);
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}
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for (p = *head; p != NULL; p = p->next)
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if (p->sec == toc)
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{
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p->count -= 1;
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if (!MUST_BE_DYN_RELOC (r_type))
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p->pc_count -= 1;
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break;
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}
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}
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else if (!dec_dynrel_count (rel->r_info, toc, info,
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&local_syms, NULL, NULL))
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goto error_ret;
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toc->reloc_count = wrel - relstart;
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sz = elf_section_data (toc)->rel_hdr.sh_entsize;
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