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* section.c (_bfd_strip_section_from_output): Add info parameter.

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If it passed as non-NULL, use it to check whether any input BFD
	has an input section which uses this output section.  Change all
	callers.
	* bfd-in2.h: Rebuild.

	* bfd-in.h: Move declarations of bfd_get_elf_phdr_upper_bound and
	bfd_get_elf_phdrs in from bfd-in2.h, correcting patch of
	1999-11-29.
	* bfd-in2.h: Rebuild.
This commit is contained in:
Ian Lance Taylor
2000-02-13 22:45:29 +00:00
parent e3c976c4eb
commit 7f8d5fc90b
12 changed files with 91 additions and 38 deletions
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40
bfd/section.c
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@ -1100,20 +1100,28 @@ FUNCTION
SYNOPSIS
void _bfd_strip_section_from_output
(asection *section);
(struct bfd_link_info *info, asection *section);
DESCRIPTION
Remove @var{section} from the output. If the output section becomes
empty, remove it from the output bfd.
Remove @var{section} from the output. If the output section
becomes empty, remove it from the output bfd. @var{info} may
be NULL; if it is not, it is used to decide whether the output
section is empty.
*/
void
_bfd_strip_section_from_output (s)
_bfd_strip_section_from_output (info, s)
struct bfd_link_info *info;
asection *s;
{
asection **spp, *os;
struct bfd_link_order *p, *pp;
boolean keep_os;
/* Excise the input section from the link order. */
/* Excise the input section from the link order.
FIXME: For all calls that I can see to this function, the link
orders have not yet been set up. So why are we checking them? --
Ian */
os = s->output_section;
for (p = os->link_order_head, pp = NULL; p != NULL; pp = p, p = p->next)
if (p->type == bfd_indirect_link_order
@ -1128,10 +1136,30 @@ _bfd_strip_section_from_output (s)
break;
}
keep_os = os->link_order_head != NULL;
if (! keep_os && info != NULL)
{
bfd *abfd;
for (abfd = info->input_bfds; abfd != NULL; abfd = abfd->link_next)
{
asection *is;
for (is = abfd->sections; is != NULL; is = is->next)
{
if (is != s && is->output_section == os)
break;
}
if (is != NULL)
break;
}
if (abfd != NULL)
keep_os = true;
}
/* If the output section is empty, remove it too. Careful about sections
that have been discarded in the link script -- they are mapped to
bfd_abs_section, which has no owner. */
if (!os->link_order_head && os->owner)
if (!keep_os && os->owner != NULL)
{
for (spp = &os->owner->sections; *spp; spp = &(*spp)->next)
if (*spp == os)