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* elflink.c (enum action_discarded): New.

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(elf_section_complain_discarded): Delete.
	(elf_action_discarded): New function subsuming the above and also
	controlling reloc behaviour.
	(elf_link_input_bfd): Use it.
This commit is contained in:
Alan Modra 2004-10-12 02:27:53 +00:00
parent a4e749e942
commit 9e66c9426b
2 changed files with 34 additions and 18 deletions
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8
bfd/ChangeLog
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@ -1,3 +1,11 @@
2004-10-12 Alan Modra <amodra@bigpond.net.au>
* elflink.c (enum action_discarded): New.
(elf_section_complain_discarded): Delete.
(elf_action_discarded): New function subsuming the above and also
controlling reloc behaviour.
(elf_link_input_bfd): Use it.
2004-10-11 Jakub Jelinek <jakub@redhat.com>
* elf.c (bfd_section_from_shdr): Handle SHT_GNU_LIBLIST.

44
bfd/elflink.c
View File

@ -6374,30 +6374,40 @@ elf_section_ignore_discarded_relocs (asection *sec)
return FALSE;
}
/* Return TRUE if we should complain about a reloc in SEC against a
symbol defined in a discarded section. */
enum action_discarded
{
COMPLAIN = 1,
PRETEND = 2
};
static bfd_boolean
elf_section_complain_discarded (asection *sec)
/* Return a mask saying how ld should treat relocations in SEC against
symbols defined in discarded sections. If this function returns
COMPLAIN set, ld will issue a warning message. If this function
returns PRETEND set, and the discarded section was link-once and the
same size as the kept link-once section, ld will pretend that the
symbol was actually defined in the kept section. Otherwise ld will
zero the reloc (at least that is the intent, but some cooperation by
the target dependent code is needed, particularly for REL targets). */
static unsigned int
elf_action_discarded (asection *sec)
{
if (strncmp (".stab", sec->name, 5) == 0
&& (!sec->name[5] ||
(sec->name[5] == '.' && ISDIGIT (sec->name[6]))))
return FALSE;
if (sec->flags & SEC_DEBUGGING)
return PRETEND;
if (strcmp (".eh_frame", sec->name) == 0)
return FALSE;
return 0;
if (strcmp (".gcc_except_table", sec->name) == 0)
return FALSE;
return 0;
if (strcmp (".PARISC.unwind", sec->name) == 0)
return FALSE;
return 0;
if (strcmp (".fixup", sec->name) == 0)
return FALSE;
return 0;
return TRUE;
return COMPLAIN | PRETEND;
}
/* Find a match between a section and a member of a section group. */
@ -6692,7 +6702,7 @@ elf_link_input_bfd (struct elf_final_link_info *finfo, bfd *input_bfd)
if (!elf_section_ignore_discarded_relocs (o))
{
Elf_Internal_Rela *rel, *relend;
bfd_boolean complain = elf_section_complain_discarded (o);
unsigned int action = elf_action_discarded (o);
rel = internal_relocs;
relend = rel + o->reloc_count * bed->s->int_rels_per_ext_rel;
@ -6736,7 +6746,7 @@ elf_link_input_bfd (struct elf_final_link_info *finfo, bfd *input_bfd)
asection *kept;
BFD_ASSERT (r_symndx != 0);
if (complain && (o->flags & SEC_DEBUGGING) == 0)
if (action & COMPLAIN)
{
(*_bfd_error_handler)
(_("`%s' referenced in section `%A' of %B: "
@ -6756,9 +6766,7 @@ elf_link_input_bfd (struct elf_final_link_info *finfo, bfd *input_bfd)
debug sections tend to come after other
sections. */
kept = sec->kept_section;
if (kept != NULL
&& (complain
|| (o->flags & SEC_DEBUGGING) != 0))
if (kept != NULL && (action & PRETEND))
{
if (elf_sec_group (sec) != NULL)
kept = match_group_member (sec, kept);