PATCH: PR gas/11600: Support SHF_EXCLUDE

H.J. Lu hjl.tools@gmail.com
Tue May 18 03:39:00 GMT 2010


On Mon, May 17, 2010 at 7:43 PM, Alan Modra <amodra@gmail.com> wrote:
> On Fri, May 14, 2010 at 07:31:00AM -0700, H.J. Lu wrote:
>> This patch makes SHF_EXCLUDE generic.  OK to install?
>
> OK, but..
>
>> +@item e
>> +section is excluded from executable and shared object.
>
>> +@item #exclude
>> +section is excluded from executable and shared object.
>
> This might be a little clearer if you say "shared library" rather than
> "shared object".
>
>> +/* This is used to be implememnted as a processor specific section flag.
>> +   We just make it generic.  */
>
> s/This is/This/
> implemented
>
>> +#define SHF_EXCLUDE  0x80000000      /* Link editor is to exclude
>> +                                        this section from executable
>> +                                        and shared object that it
>> +                                        builds when those objects
>> +                                        are not to be furhter
>> +                                        relocated.  */
>> +
>
> further
>

This is the patch I checked in with objcopy/strip tests.

Thanks.

-- 
H.J.
---
bfd/

2010-05-18  H.J. Lu  <hongjiu.lu@intel.com>

	PR gas/11600
	* elf.c (_bfd_elf_make_section_from_shdr): Handle SHF_EXCLUDE
	(elf_fake_sections): Likewise.

	* elf32-i370.c (i370_elf_section_from_shdr): Don't handle
	SHF_EXCLUDE here.
	* elf32-ppc.c (ppc_elf_fake_sections): Likewise.

binutils/

2010-05-18  H.J. Lu  <hongjiu.lu@intel.com>

	PR gas/11600
	* readelf.c (get_elf_section_flags): Treat SHF_EXCLUDE as a
	generic flag.

binutils/testsuite/

2010-05-18  H.J. Lu  <hongjiu.lu@intel.com>

	PR gas/11600
	* binutils-all/objcopy.exp: Run exclude-1a and exclude-1b for
	ELF targets.

	* binutils-all/exclude-1.s: New.
	* binutils-all/exclude-1a.d: Likewise.
	* binutils-all/exclude-1b.d: Likewise.

gas/

2010-05-18  H.J. Lu  <hongjiu.lu@intel.com>

	PR gas/11600
	* obj-elf.c (obj_elf_change_section): Handle SHF_EXCLUDE.
	(obj_elf_parse_section_letters): Likewise.
	(obj_elf_section_word): Likewise.

	* config/tc-ppc.c (ppc_section_letter): Removed.
	(ppc_section_word): Likewise.
	* config/tc-ppc.h (ppc_section_letter): Likewise.
	(ppc_section_word): Likewise.
	(md_elf_section_letter): Likewise.
	(md_elf_section_word): Likewise.

	* doc/as.texinfo: Document `e' and `#exclude'.

gas/testsuite/

2010-05-18  H.J. Lu  <hongjiu.lu@intel.com>

	PR gas/11600
	* gas/elf/elf.exp: Run section8.

	* gas/elf/section8.d: New.
	* gas/elf/section8.s: Likewise.

include/elf/

2010-05-18  H.J. Lu  <hongjiu.lu@intel.com>

	PR gas/11600
	* common.h (SHF_EXCLUDE): New.

	* i370.h (SHF_EXCLUDE): Removed.
	* or32.h (SHF_EXCLUDE): Likewise.
	* ppc.h (SHF_EXCLUDE): Likewise.
	* sparc.h (SHF_EXCLUDE): Likewise.

ld/testsuite/

2010-05-18  H.J. Lu  <hongjiu.lu@intel.com>

	PR gas/11600
	* ld-elf/exclude3.s: New.
	* ld-elf/exclude3a.d: Likewise.
	* ld-elf/exclude3b.d: Likewise.
	* ld-elf/exclude3c.d: Likewise.
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