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* elf.c (bfd_elf_set_group_contents): Revert accidental 2009-01-15

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commit.  Don't write zeros for removed group members.
	(_bfd_elf_copy_private_header_data): Adjust size of group section
	when group members are removed by objcopy.
This commit is contained in:
Alan Modra
2010-02-18 00:09:06 +00:00
parent 9badf1bc6b
commit 415f38a6d0
2 changed files with 25 additions and 13 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
bfd/ChangeLog
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@ -1,3 +1,10 @@
2010-02-18 Alan Modra <amodra@gmail.com>
* elf.c (bfd_elf_set_group_contents): Revert accidental 2009-01-15
commit. Don't write zeros for removed group members.
(_bfd_elf_copy_private_header_data): Adjust size of group section
when group members are removed by objcopy.
2010-02-15 Dave Korn <dave.korn.cygwin@gmail.com> 2010-02-15 Dave Korn <dave.korn.cygwin@gmail.com>
PR binutils/11280 PR binutils/11280

31
bfd/elf.c
View File

@ -1,7 +1,7 @@
/* ELF executable support for BFD. /* ELF executable support for BFD.
Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
Free Software Foundation, Inc. Free Software Foundation, Inc.
This file is part of BFD, the Binary File Descriptor library. This file is part of BFD, the Binary File Descriptor library.
@ -2743,17 +2743,16 @@ bfd_elf_set_group_contents (bfd *abfd, asection *sec, void *failedptrarg)
while (elt != NULL) while (elt != NULL)
{ {
asection *s; asection *s;
unsigned int idx;
s = elt; s = elt;
if (! elf_discarded_section (s))
{
loc -= 4;
if (!gas) if (!gas)
s = s->output_section; s = s->output_section;
idx = 0; if (s != NULL
if (s != NULL) && !bfd_is_abs_section (s))
idx = elf_section_data (s)->this_idx; {
unsigned int idx = elf_section_data (s)->this_idx;
loc -= 4;
H_PUT_32 (abfd, idx, loc); H_PUT_32 (abfd, idx, loc);
} }
elt = elf_next_in_group (elt); elt = elf_next_in_group (elt);
@ -6160,21 +6159,27 @@ _bfd_elf_copy_private_header_data (bfd *ibfd, bfd *obfd)
return FALSE; return FALSE;
} }
/* _bfd_elf_copy_private_section_data copied over the SHF_GROUP flag
but this might be wrong if we deleted the group section. */
for (isec = ibfd->sections; isec != NULL; isec = isec->next) for (isec = ibfd->sections; isec != NULL; isec = isec->next)
if (elf_section_type (isec) == SHT_GROUP if (elf_section_type (isec) == SHT_GROUP)
&& isec->output_section == NULL)
{ {
asection *first = elf_next_in_group (isec); asection *first = elf_next_in_group (isec);
asection *s = first; asection *s = first;
while (s != NULL) while (s != NULL)
{ {
if (s->output_section != NULL) /* If this member section is being output but the
SHT_GROUP section is not, then clear the group info
set up by _bfd_elf_copy_private_section_data. */
if (s->output_section != NULL
&& isec->output_section == NULL)
{ {
elf_section_flags (s->output_section) &= ~SHF_GROUP; elf_section_flags (s->output_section) &= ~SHF_GROUP;
elf_group_name (s->output_section) = NULL; elf_group_name (s->output_section) = NULL;
} }
/* Conversely, if the member section is not being output
but the SHT_GROUP section is, then adjust its size. */
else if (s->output_section == NULL
&& isec->output_section != NULL)
isec->output_section->size -= 4;
s = elf_next_in_group (s); s = elf_next_in_group (s);
if (s == first) if (s == first)
break; break;