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2009-01-14  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/9727
	* elflink.c (elf_gc_sweep): Exclude the group section if the
	first member of the section group is excluded.

ld/testsuite/

2009-01-14  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/9727
	* ld-elf/group8.s: New.
	* ld-elf/group8a.d: Likewise.
	* ld-elf/group8b.d: Likewise.
	* ld-elf/group9.s: Likewise.
	* ld-elf/group9a.d: Likewise.
	* ld-elf/group9b.d: Likewise.
This commit is contained in:
H.J. Lu
2009-01-14 21:52:49 +00:00
parent adb483feb8
commit a33dafc30d
9 changed files with 94 additions and 4 deletions
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19
bfd/elflink.c
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@@ -11397,10 +11397,21 @@ elf_gc_sweep (bfd *abfd, struct bfd_link_info *info)
for (o = sub->sections; o != NULL; o = o->next)
{
/* Keep debug and special sections. */
if ((o->flags & (SEC_DEBUGGING | SEC_LINKER_CREATED)) != 0
|| (o->flags & (SEC_ALLOC | SEC_LOAD | SEC_RELOC)) == 0)
o->gc_mark = 1;
/* When any section in a section group is kept, we keep all
sections in the section group. If the first member of
the section group is excluded, we will also exclude the
group section. */
if (o->flags & SEC_GROUP)
{
asection *first = elf_next_in_group (o);
o->gc_mark = first->gc_mark;
}
else if ((o->flags & (SEC_DEBUGGING | SEC_LINKER_CREATED)) != 0
|| (o->flags & (SEC_ALLOC | SEC_LOAD | SEC_RELOC)) == 0)
{
/* Keep debug and special sections. */
o->gc_mark = 1;
}
if (o->gc_mark)
continue;