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-rw-r--r--bfd/ChangeLog7
-rw-r--r--bfd/elf64-ppc.c287
2 files changed, 145 insertions, 149 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index d80f28a..bd49ca0 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,10 @@
+2005-04-05 Alan Modra <amodra@bigpond.net.au>
+
+ * 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.
+
2005-04-05 Mark Kettenis <kettenis@gnu.org>
* netbsd-core.c (SPARC_WCOOKIE_OFFSET): Renamed from
diff --git a/bfd/elf64-ppc.c b/bfd/elf64-ppc.c
index 592fbe0..a7cbf16 100644
--- a/bfd/elf64-ppc.c
+++ b/bfd/elf64-ppc.c
@@ -5951,6 +5951,125 @@ adjust_opd_syms (struct elf_link_hash_entry *h, void *inf ATTRIBUTE_UNUSED)
return TRUE;
}
+/* Handles decrementing dynamic reloc counts for the reloc specified by
+ R_INFO in section SEC. If LOCAL_SYMS is NULL, then H and SYM_SEC
+ have already been determined. */
+
+static bfd_boolean
+dec_dynrel_count (bfd_vma r_info,
+ asection *sec,
+ struct bfd_link_info *info,
+ Elf_Internal_Sym **local_syms,
+ struct elf_link_hash_entry *h,
+ asection *sym_sec)
+{
+ enum elf_ppc64_reloc_type r_type;
+ struct ppc_dyn_relocs *p;
+ struct ppc_dyn_relocs **pp;
+
+ /* Can this reloc be dynamic? This switch, and later tests here
+ should be kept in sync with the code in check_relocs. */
+ r_type = ELF64_R_TYPE (r_info);
+ switch (r_type)
+ {
+ default:
+ return TRUE;
+
+ case R_PPC64_TPREL16:
+ case R_PPC64_TPREL16_LO:
+ case R_PPC64_TPREL16_HI:
+ case R_PPC64_TPREL16_HA:
+ case R_PPC64_TPREL16_DS:
+ case R_PPC64_TPREL16_LO_DS:
+ case R_PPC64_TPREL16_HIGHER:
+ case R_PPC64_TPREL16_HIGHERA:
+ case R_PPC64_TPREL16_HIGHEST:
+ case R_PPC64_TPREL16_HIGHESTA:
+ if (!info->shared)
+ return TRUE;
+
+ case R_PPC64_TPREL64:
+ case R_PPC64_DTPMOD64:
+ case R_PPC64_DTPREL64:
+ case R_PPC64_ADDR64:
+ case R_PPC64_REL30:
+ case R_PPC64_REL32:
+ case R_PPC64_REL64:
+ case R_PPC64_ADDR14:
+ case R_PPC64_ADDR14_BRNTAKEN:
+ case R_PPC64_ADDR14_BRTAKEN:
+ case R_PPC64_ADDR16:
+ case R_PPC64_ADDR16_DS:
+ case R_PPC64_ADDR16_HA:
+ case R_PPC64_ADDR16_HI:
+ case R_PPC64_ADDR16_HIGHER:
+ case R_PPC64_ADDR16_HIGHERA:
+ case R_PPC64_ADDR16_HIGHEST:
+ case R_PPC64_ADDR16_HIGHESTA:
+ case R_PPC64_ADDR16_LO:
+ case R_PPC64_ADDR16_LO_DS:
+ case R_PPC64_ADDR24:
+ case R_PPC64_ADDR32:
+ case R_PPC64_UADDR16:
+ case R_PPC64_UADDR32:
+ case R_PPC64_UADDR64:
+ case R_PPC64_TOC:
+ break;
+ }
+
+ if (local_syms != NULL)
+ {
+ unsigned long r_symndx;
+ Elf_Internal_Sym *sym;
+ bfd *ibfd = sec->owner;
+
+ r_symndx = ELF64_R_SYM (r_info);
+ if (!get_sym_h (&h, &sym, &sym_sec, NULL, local_syms, r_symndx, ibfd))
+ return FALSE;
+ }
+
+ if ((info->shared
+ && (MUST_BE_DYN_RELOC (r_type)
+ || (h != NULL
+ && (!info->symbolic
+ || h->root.type == bfd_link_hash_defweak
+ || !h->def_regular))))
+ || (ELIMINATE_COPY_RELOCS
+ && !info->shared
+ && h != NULL
+ && (h->root.type == bfd_link_hash_defweak
+ || !h->def_regular)))
+ ;
+ else
+ return TRUE;
+
+ if (h != NULL)
+ pp = &((struct ppc_link_hash_entry *) h)->dyn_relocs;
+ else if (sym_sec != NULL)
+ pp = (struct ppc_dyn_relocs **) &elf_section_data (sym_sec)->local_dynrel;
+ else
+ pp = (struct ppc_dyn_relocs **) &elf_section_data (sec)->local_dynrel;
+
+ while ((p = *pp) != NULL)
+ {
+ if (p->sec == sec)
+ {
+ if (!MUST_BE_DYN_RELOC (r_type))
+ p->pc_count -= 1;
+ p->count -= 1;
+ if (p->count == 0)
+ *pp = p->next;
+ return TRUE;
+ }
+ pp = &p->next;
+ }
+
+ (*_bfd_error_handler) (_("dynreloc miscount for %B, section %A"),
+ sec->owner, sec);
+ bfd_set_error (bfd_error_bad_value);
+ return FALSE;
+}
+
/* Remove unused Official Procedure Descriptor entries. Currently we
only remove those associated with functions in discarded link-once
sections, or weakly defined functions that have been overridden. It
@@ -6271,33 +6390,9 @@ ppc64_elf_edit_opd (bfd *obfd, struct bfd_link_info *info,
if (skip)
{
- BFD_ASSERT (MUST_BE_DYN_RELOC (ELF64_R_TYPE (rel->r_info)));
- if (info->shared)
- {
- /* We won't be needing dynamic relocs here. */
- struct ppc_dyn_relocs **pp;
- struct ppc_dyn_relocs *p;
-
- if (h != NULL)
- pp = &((struct ppc_link_hash_entry *) h)->dyn_relocs;
- else if (sym_sec != NULL)
- pp = ((struct ppc_dyn_relocs **)
- &elf_section_data (sym_sec)->local_dynrel);
- else
- pp = ((struct ppc_dyn_relocs **)
- &elf_section_data (sec)->local_dynrel);
- while ((p = *pp) != NULL)
- {
- if (p->sec == sec)
- {
- p->count -= 1;
- if (p->count == 0)
- *pp = p->next;
- break;
- }
- pp = &p->next;
- }
- }
+ if (!dec_dynrel_count (rel->r_info, sec, info,
+ NULL, h, sym_sec))
+ goto error_ret;
}
else
{
@@ -6668,29 +6763,20 @@ ppc64_elf_tls_optimize (bfd *obfd ATTRIBUTE_UNUSED, struct bfd_link_info *info)
ent->got.refcount -= 1;
}
}
- else if (h != NULL)
+ else
{
- struct ppc_link_hash_entry * eh;
- struct ppc_dyn_relocs **pp;
- struct ppc_dyn_relocs *p;
-
- /* Adjust dynamic relocs. */
- eh = (struct ppc_link_hash_entry *) h;
- for (pp = &eh->dyn_relocs;
- (p = *pp) != NULL;
- pp = &p->next)
- if (p->sec == sec)
- {
- /* If we got rid of a DTPMOD/DTPREL reloc
- pair then we'll lose one or two dyn
- relocs. */
- if (tls_set == (TLS_EXPLICIT | TLS_GD))
- p->count -= 1;
- p->count -= 1;
- if (p->count == 0)
- *pp = p->next;
- break;
- }
+ /* If we got rid of a DTPMOD/DTPREL reloc pair then
+ we'll lose one or two dyn relocs. */
+ if (!dec_dynrel_count (rel->r_info, sec, info,
+ NULL, h, sym_sec))
+ return FALSE;
+
+ if (tls_set == (TLS_EXPLICIT | TLS_GD))
+ {
+ if (!dec_dynrel_count ((rel + 1)->r_info, sec, info,
+ NULL, h, sym_sec))
+ return FALSE;
+ }
}
*tls_mask |= tls_set;
@@ -7056,106 +7142,9 @@ ppc64_elf_edit_toc (bfd *obfd ATTRIBUTE_UNUSED, struct bfd_link_info *info)
wrel->r_addend = rel->r_addend;
++wrel;
}
- else
- {
- unsigned long r_symndx;
- enum elf_ppc64_reloc_type r_type;
- asection *sym_sec;
- struct elf_link_hash_entry *h;
- Elf_Internal_Sym *sym;
- struct ppc_dyn_relocs *p;
- struct ppc_dyn_relocs **head;
-
- /* Can this reloc be dynamic?
- This switch, and later tests here should be kept
- in sync with the code in check_relocs. */
- r_type = ELF64_R_TYPE (rel->r_info);
- switch (r_type)
- {
- default:
- continue;
-
- case R_PPC64_TPREL16:
- case R_PPC64_TPREL16_LO:
- case R_PPC64_TPREL16_HI:
- case R_PPC64_TPREL16_HA:
- case R_PPC64_TPREL16_DS:
- case R_PPC64_TPREL16_LO_DS:
- case R_PPC64_TPREL16_HIGHER:
- case R_PPC64_TPREL16_HIGHERA:
- case R_PPC64_TPREL16_HIGHEST:
- case R_PPC64_TPREL16_HIGHESTA:
- if (!info->shared)
- continue;
-
- case R_PPC64_TPREL64:
- case R_PPC64_DTPMOD64:
- case R_PPC64_DTPREL64:
- case R_PPC64_ADDR64:
- case R_PPC64_REL30:
- case R_PPC64_REL32:
- case R_PPC64_REL64:
- case R_PPC64_ADDR14:
- case R_PPC64_ADDR14_BRNTAKEN:
- case R_PPC64_ADDR14_BRTAKEN:
- case R_PPC64_ADDR16:
- case R_PPC64_ADDR16_DS:
- case R_PPC64_ADDR16_HA:
- case R_PPC64_ADDR16_HI:
- case R_PPC64_ADDR16_HIGHER:
- case R_PPC64_ADDR16_HIGHERA:
- case R_PPC64_ADDR16_HIGHEST:
- case R_PPC64_ADDR16_HIGHESTA:
- case R_PPC64_ADDR16_LO:
- case R_PPC64_ADDR16_LO_DS:
- case R_PPC64_ADDR24:
- case R_PPC64_ADDR32:
- case R_PPC64_UADDR16:
- case R_PPC64_UADDR32:
- case R_PPC64_UADDR64:
- case R_PPC64_TOC:
- break;
- }
-
- r_symndx = ELF64_R_SYM (rel->r_info);
- if (!get_sym_h (&h, &sym, &sym_sec, NULL, &local_syms,
- r_symndx, ibfd))
- goto error_ret;
-
- if ((info->shared
- && (MUST_BE_DYN_RELOC (r_type)
- || (h != NULL
- && (!info->symbolic
- || h->root.type == bfd_link_hash_defweak
- || !h->def_regular))))
- || (ELIMINATE_COPY_RELOCS
- && !info->shared
- && h != NULL
- && (h->root.type == bfd_link_hash_defweak
- || !h->def_regular)))
- ;
- else
- continue;
-
- if (h != NULL)
- head = &((struct ppc_link_hash_entry *) h)->dyn_relocs;
- else
- {
- if (sym_sec == NULL)
- goto error_ret;
-
- head = ((struct ppc_dyn_relocs **)
- &elf_section_data (sym_sec)->local_dynrel);
- }
- for (p = *head; p != NULL; p = p->next)
- if (p->sec == toc)
- {
- p->count -= 1;
- if (!MUST_BE_DYN_RELOC (r_type))
- p->pc_count -= 1;
- break;
- }
- }
+ else if (!dec_dynrel_count (rel->r_info, toc, info,
+ &local_syms, NULL, NULL))
+ goto error_ret;
toc->reloc_count = wrel - relstart;
sz = elf_section_data (toc)->rel_hdr.sh_entsize;