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* bfd-in.h (_bfd_elf_fix_excluded_sec_syms): Declare.
	(_bfd_elf_provide_section_bound_symbols): Remove param name.
	Formatting.
	* bfd-in2.h: Regenerate.
	* elflink.c (bfd_elf_gc_sections): Don't call generic function.
	(_bfd_elf_provide_symbol): Formatting.
	(_bfd_elf_provide_section_bound_symbols): Remove all hacks, just
	create section relative syms.
	(fix_syms, _bfd_elf_fix_excluded_sec_syms): New functions.
	* elf32-ppc.c (ppc_elf_set_sdata_syms): Use
	_bfd_elf_provide_section_bound_symbols.
	* reloc.c (bfd_mark_used_section): Delete.
	(bfd_generic_gc_sections): Don't call the above.
ld/
	* ldlang.c (strip_excluded_output_sections): Don't call
	bfd_gc_sections.
	* emultempl/elf32.em (gld*_provide_bound_symbols): Move.
	(gld*_provide_init_fini_syms): Move.
	(gld*_before_allocation): Call the above from here..
	(gld*_finish): ..not here.  Call _bfd_elf_fix_excluded_sec_syms.
	* emultempl/hppaelf.em (hppaelf_finish): Likewise.
	* emultempl/ppc64elf.em (ppc_finish): Likewise.
This commit is contained in:
Alan Modra 2005-07-14 13:54:23 +00:00
parent bfaaa3c28b
commit a3c2b96af6
11 changed files with 134 additions and 143 deletions
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82
bfd/elflink.c
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@ -9119,9 +9119,6 @@ bfd_elf_gc_sections (bfd *abfd, struct bfd_link_info *info)
(asection *, struct bfd_link_info *, Elf_Internal_Rela *,
struct elf_link_hash_entry *h, Elf_Internal_Sym *);
if (!info->gc_sections)
return bfd_generic_gc_sections (abfd, info);
if (!get_elf_backend_data (abfd)->can_gc_sections
|| info->relocatable
|| info->emitrelocations
@ -9846,8 +9843,7 @@ _bfd_elf_provide_symbol (struct bfd_link_info *info, const char *name,
{
struct elf_link_hash_entry *h;
h = elf_link_hash_lookup (elf_hash_table (info), name, FALSE, FALSE,
FALSE);
h = elf_link_hash_lookup (elf_hash_table (info), name, FALSE, FALSE, FALSE);
if (h != NULL && !h->def_regular)
bfd_elf_set_symbol (h, val, s);
}
@ -9861,45 +9857,41 @@ _bfd_elf_provide_section_bound_symbols (struct bfd_link_info *info,
const char *start,
const char *end)
{
struct elf_link_hash_entry *hs, *he;
bfd_vma start_val, end_val;
bfd_boolean do_start, do_end;
/* Check if we need them or not first. */
hs = elf_link_hash_lookup (elf_hash_table (info), start, FALSE,
FALSE, FALSE);
do_start = hs != NULL && !hs->def_regular;
he = elf_link_hash_lookup (elf_hash_table (info), end, FALSE,
FALSE, FALSE);
do_end = he != NULL && !he->def_regular;
if (!do_start && !do_end)
return;
bfd_vma val = 0;
_bfd_elf_provide_symbol (info, start, val, sec);
if (sec != NULL)
{
start_val = sec->vma;
end_val = start_val + sec->size;
}
else
{
/* We have to choose those values very carefully. Some targets,
like alpha, may have relocation overflow with 0. "__bss_start"
should be defined in all cases. */
struct elf_link_hash_entry *h
= elf_link_hash_lookup (elf_hash_table (info), "__bss_start",
FALSE, FALSE, FALSE);
if (h != NULL && h->root.type == bfd_link_hash_defined)
start_val = h->root.u.def.value;
else
start_val = 0;
end_val = start_val;
}
if (do_start)
bfd_elf_set_symbol (hs, start_val, NULL);
if (do_end)
bfd_elf_set_symbol (he, end_val, NULL);
val = sec->size;
_bfd_elf_provide_symbol (info, end, val, sec);
}
/* Convert symbols in excluded output sections to absolute. */
static bfd_boolean
fix_syms (struct bfd_link_hash_entry *h, void *data)
{
bfd *obfd = (bfd *) data;
if (h->type == bfd_link_hash_warning)
h = h->u.i.link;
if (h->type == bfd_link_hash_defined
|| h->type == bfd_link_hash_defweak)
{
asection *s = h->u.def.section;
if (s != NULL
&& s == s->output_section
&& bfd_section_removed_from_list (obfd, s))
{
h->u.def.value += s->vma;
h->u.def.section = bfd_abs_section_ptr;
}
}
return TRUE;
}
void
_bfd_elf_fix_excluded_sec_syms (bfd *obfd, struct bfd_link_info *info)
{
bfd_link_hash_traverse (info->hash, fix_syms, obfd);
}