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* objcopy.c (copy_object): Don't setup_bfd_headers when extract_symbol.
	(setup_section): Don't zero vma and lma when extract_symbol.
	(copy_section): Discard relocations when extract_symbol.
	* doc/binutils.texi: Update --extract-symbol description.
ld/testsuite/
	* ld-elf/extract-symbol-1sec.d: Update.
This commit is contained in:
Alan Modra 2008-08-06 00:42:17 +00:00
parent 08bc6426e4
commit 237dcb538f
5 changed files with 21 additions and 10 deletions
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7
binutils/ChangeLog
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@ -1,3 +1,10 @@
2008-08-06 Alan Modra <amodra@bigpond.net.au>
* objcopy.c (copy_object): Don't setup_bfd_headers when extract_symbol.
(setup_section): Don't zero vma and lma when extract_symbol.
(copy_section): Discard relocations when extract_symbol.
* doc/binutils.texi: Update --extract-symbol description.
2008-08-04 Alan Modra <amodra@bigpond.net.au>
* Makefile.am (POTFILES.in): Set LC_ALL=C.

1
binutils/doc/binutils.texi
View file

@ -1540,7 +1540,6 @@ Keep the file's section flags and symbols but remove all section data.
Specifically, the option:
@itemize
@item sets the virtual and load addresses of every section to zero;
@item removes the contents of all sections;
@item sets the size of every section to zero; and
@item sets the file's start address to zero.

13
binutils/objcopy.c
View file

@ -1461,6 +1461,7 @@ copy_object (bfd *ibfd, bfd *obfd)
any output is done. Thus, we traverse all sections multiple times. */
bfd_map_over_sections (ibfd, setup_section, obfd);
if (!extract_symbol)
setup_bfd_headers (ibfd, obfd);
if (add_sections != NULL)
@ -2298,7 +2299,7 @@ setup_section (bfd *ibfd, sec_ptr isection, void *obfdarg)
else
vma += change_section_address;
if (! bfd_set_section_vma (obfd, osection, extract_symbol ? 0 : vma))
if (! bfd_set_section_vma (obfd, osection, vma))
{
err = _("failed to set vma");
goto loser;
@ -2317,7 +2318,7 @@ setup_section (bfd *ibfd, sec_ptr isection, void *obfdarg)
else
lma += change_section_address;
osection->lma = extract_symbol ? 0 : lma;
osection->lma = lma;
/* FIXME: This is probably not enough. If we change the LMA we
may have to recompute the header for the file as well. */
@ -2336,7 +2337,7 @@ setup_section (bfd *ibfd, sec_ptr isection, void *obfdarg)
bfd_get_section_by_name since some formats allow multiple
sections with the same name. */
isection->output_section = osection;
isection->output_offset = extract_symbol ? vma : 0;
isection->output_offset = 0;
/* Do not copy backend data if --extract-symbol is passed; anything
that needs to look at the section contents will fail. */
@ -2400,6 +2401,9 @@ copy_section (bfd *ibfd, sec_ptr isection, void *obfdarg)
if (size == 0 || osection == 0)
return;
if (extract_symbol)
return;
p = find_section_list (bfd_get_section_name (ibfd, isection), FALSE);
/* Core files do not need to be relocated. */
@ -2460,9 +2464,6 @@ copy_section (bfd *ibfd, sec_ptr isection, void *obfdarg)
free (relpp);
}
if (extract_symbol)
return;
if (bfd_get_section_flags (ibfd, isection) & SEC_HAS_CONTENTS
&& bfd_get_section_flags (obfd, osection) & SEC_HAS_CONTENTS)
{

4
ld/testsuite/ChangeLog
View file

@ -1,3 +1,7 @@
2008-08-06 Alan Modra <amodra@bigpond.net.au>
* ld-elf/extract-symbol-1sec.d: Update.
2008-07-30 Nick Clifton <nickc@redhat.com>
* ld-elf/sec-to-seg.exp: New test: Checks the assignment of

4
ld/testsuite/ld-elf/extract-symbol-1sec.d
View file

@ -7,7 +7,7 @@
#...
Sections:
*Idx +Name +Size +VMA +LMA .*
*0 +\.foo +0+ +0+ +0+ .*
*0 +\.foo +0+ +0+10000 +0+10000 .*
*CONTENTS, ALLOC, LOAD, CODE
*1 +\.bar +0+ +0+ +0+ .*
*1 +\.bar +0+ +0+20000 +0+20000 .*
*ALLOC, READONLY, CODE