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2004-04-30 H.J. Lu <hongjiu.lu@intel.com>

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* elf.c (bfd_section_from_shdr): Maintain the section order in
	a section group.
	(special_sections): Add ".note.GNU-stack".
	(elf_fake_sections): Handle section group for relocatable
	link..
This commit is contained in:
H.J. Lu 2004-04-30 15:04:30 +00:00
parent bc87dd2ec1
commit 45c5e9ed66
2 changed files with 37 additions and 2 deletions
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8
bfd/ChangeLog
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@ -1,3 +1,11 @@
2004-04-30 H.J. Lu <hongjiu.lu@intel.com>
* elf.c (bfd_section_from_shdr): Maintain the section order in
a section group.
(special_sections): Add ".note.GNU-stack".
(elf_fake_sections): Handle section group for relocatable
link..
2004-04-30 H.J. Lu <hongjiu.lu@intel.com> 2004-04-30 H.J. Lu <hongjiu.lu@intel.com>
* section.c (bfd_sections_find_if): New. * section.c (bfd_sections_find_if): New.

31
bfd/elf.c
View File

@ -1951,8 +1951,10 @@ bfd_section_from_shdr (bfd *abfd, unsigned int shindex)
hdr->bfd_section->flags hdr->bfd_section->flags
|= SEC_LINK_ONCE | SEC_LINK_DUPLICATES_DISCARD; |= SEC_LINK_ONCE | SEC_LINK_DUPLICATES_DISCARD;
/* We try to keep the same section order as it comes in. */
idx += n_elt;
while (--n_elt != 0) while (--n_elt != 0)
if ((s = (++idx)->shdr->bfd_section) != NULL if ((s = (--idx)->shdr->bfd_section) != NULL
&& elf_next_in_group (s) != NULL) && elf_next_in_group (s) != NULL)
{ {
elf_next_in_group (hdr->bfd_section) = s; elf_next_in_group (hdr->bfd_section) = s;
@ -2060,6 +2062,7 @@ static struct bfd_elf_special_section const special_sections[] =
{ ".gnu.version", 12, 0, SHT_GNU_versym, 0 }, { ".gnu.version", 12, 0, SHT_GNU_versym, 0 },
{ ".gnu.version_d", 14, 0, SHT_GNU_verdef, 0 }, { ".gnu.version_d", 14, 0, SHT_GNU_verdef, 0 },
{ ".gnu.version_r", 14, 0, SHT_GNU_verneed, 0 }, { ".gnu.version_r", 14, 0, SHT_GNU_verneed, 0 },
{ ".note.GNU-stack",15, 0, SHT_PROGBITS, 0 },
{ ".note", 5, -1, SHT_NOTE, 0 }, { ".note", 5, -1, SHT_NOTE, 0 },
{ ".rela", 5, -1, SHT_RELA, 0 }, { ".rela", 5, -1, SHT_RELA, 0 },
{ ".rel", 4, -1, SHT_REL, 0 }, { ".rel", 4, -1, SHT_REL, 0 },
@ -2392,7 +2395,31 @@ elf_fake_sections (bfd *abfd, asection *asect, void *failedptrarg)
asect->flags. */ asect->flags. */
if (this_hdr->sh_type == SHT_NULL) if (this_hdr->sh_type == SHT_NULL)
{ {
if ((asect->flags & SEC_ALLOC) != 0 if ((asect->flags & SEC_GROUP) != 0)
{
/* We also need to mark SHF_GROUP here for relocatable
link. */
struct bfd_link_order *l;
asection *elt;
for (l = asect->link_order_head; l != NULL; l = l->next)
if (l->type == bfd_indirect_link_order
&& (elt = elf_next_in_group (l->u.indirect.section)) != NULL)
do
{
/* The name is not important. Anything will do. */
elf_group_name (elt->output_section) = "G";
elf_section_flags (elt->output_section) |= SHF_GROUP;
elt = elf_next_in_group (elt);
/* During a relocatable link, the lists are
circular. */
}
while (elt != elf_next_in_group (l->u.indirect.section));
this_hdr->sh_type = SHT_GROUP;
}
else if ((asect->flags & SEC_ALLOC) != 0
&& (((asect->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0) && (((asect->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0)
|| (asect->flags & SEC_NEVER_LOAD) != 0)) || (asect->flags & SEC_NEVER_LOAD) != 0))
this_hdr->sh_type = SHT_NOBITS; this_hdr->sh_type = SHT_NOBITS;