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* elflink.c (elf_mark_used_section): Delete.

Browse Source 
(bfd_elf_gc_sections): Call bfd_generic_gc_sections.
	* reloc.c (bfd_mark_used_section): New function.
	(bfd_generic_gc_sections): Call bfd_mark_used_section.
This commit is contained in:
Alan Modra 2005-06-09 02:02:18 +00:00
parent 8f736feabd
commit 0e58fcf315
3 changed files with 36 additions and 32 deletions
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7
bfd/ChangeLog
View File

@ -1,3 +1,10 @@
2005-06-09 Alan Modra <amodra@bigpond.net.au>
* elflink.c (elf_mark_used_section): Delete.
(bfd_elf_gc_sections): Call bfd_generic_gc_sections.
* reloc.c (bfd_mark_used_section): New function.
(bfd_generic_gc_sections): Call bfd_mark_used_section.
2005-06-08 Alan Modra <amodra@bigpond.net.au> 2005-06-08 Alan Modra <amodra@bigpond.net.au>
* opncls.c (bfd_fopen): Don't set bfd_error unconditionally. * opncls.c (bfd_fopen): Don't set bfd_error unconditionally.

31
bfd/elflink.c
View File

@ -9067,27 +9067,6 @@ elf_gc_mark_dynamic_ref_symbol (struct elf_link_hash_entry *h,
return TRUE; return TRUE;
} }
/* Mark sections containing global symbols. This is called through
elf_link_hash_traverse. */
static bfd_boolean
elf_mark_used_section (struct elf_link_hash_entry *h,
void *data ATTRIBUTE_UNUSED)
{
if (h->root.type == bfd_link_hash_warning)
h = (struct elf_link_hash_entry *) h->root.u.i.link;
if (h->root.type == bfd_link_hash_defined
|| h->root.type == bfd_link_hash_defweak)
{
asection *s = h->root.u.def.section;
if (s != NULL && s->output_section != NULL)
s->output_section->flags |= SEC_KEEP;
}
return TRUE;
}
/* Do mark and sweep of unused sections. */ /* Do mark and sweep of unused sections. */
bfd_boolean bfd_boolean
@ -9100,15 +9079,7 @@ bfd_elf_gc_sections (bfd *abfd, struct bfd_link_info *info)
struct elf_link_hash_entry *h, Elf_Internal_Sym *); struct elf_link_hash_entry *h, Elf_Internal_Sym *);
if (!info->gc_sections) if (!info->gc_sections)
{ return bfd_generic_gc_sections (abfd, info);
/* If we are called when info->gc_sections is 0, we will mark
all sections containing global symbols for non-relocatable
link. */
if (!info->relocatable)
elf_link_hash_traverse (elf_hash_table (info),
elf_mark_used_section, NULL);
return TRUE;
}
if (!get_elf_backend_data (abfd)->can_gc_sections if (!get_elf_backend_data (abfd)->can_gc_sections
|| info->relocatable || info->relocatable

30
bfd/reloc.c
View File

@ -4516,6 +4516,27 @@ bfd_generic_relax_section (bfd *abfd ATTRIBUTE_UNUSED,
return TRUE; return TRUE;
} }
/* Mark sections containing global symbols. This is called through
bfd_link_hash_traverse. */
static bfd_boolean
bfd_mark_used_section (struct bfd_link_hash_entry *h,
void *data ATTRIBUTE_UNUSED)
{
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->output_section != NULL)
s->output_section->flags |= SEC_KEEP;
}
return TRUE;
}
/* /*
INTERNAL_FUNCTION INTERNAL_FUNCTION
bfd_generic_gc_sections bfd_generic_gc_sections
@ -4526,13 +4547,18 @@ SYNOPSIS
DESCRIPTION DESCRIPTION
Provides default handling for relaxing for back ends which Provides default handling for relaxing for back ends which
don't do section gc -- i.e., does nothing. don't do section gc -- i.e., does nothing besides the special
case for marking sections having global symbols.
*/ */
bfd_boolean bfd_boolean
bfd_generic_gc_sections (bfd *abfd ATTRIBUTE_UNUSED, bfd_generic_gc_sections (bfd *abfd ATTRIBUTE_UNUSED,
struct bfd_link_info *link_info ATTRIBUTE_UNUSED) struct bfd_link_info *info)
{ {
/* If called when info->gc_sections is 0, then mark all sections
containing global symbols with SEC_KEEP. */
if (!info->gc_sections && !info->relocatable)
bfd_link_hash_traverse (info->hash, bfd_mark_used_section, NULL);
return TRUE; return TRUE;
} }