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Re: got and plt section attributes
- From: Jakub Jelinek <jakub at redhat dot com>
- To: binutils at sources dot redhat dot com, "H.J. Lu" <hongjiu dot lu at intel dot com>
- Date: Mon, 28 Jul 2003 16:42:45 +0200
- Subject: Re: got and plt section attributes
- References: <20030728142440.GY27145@bubble.sa.bigpond.net.au>
- Reply-to: Jakub Jelinek <jakub at redhat dot com>
On Mon, Jul 28, 2003 at 11:54:40PM +0930, Alan Modra wrote:
> This fixes warnings about "setting incorrect section attributes for
> .got" when compiling gcc/config/rs6000/eabi-ci.asm.
>
> * elf.c (special_sections): Set attributes for .got and .plt.
>
> Index: bfd/elf.c
> ===================================================================
> RCS file: /cvs/src/src/bfd/elf.c,v
> retrieving revision 1.193
> diff -u -p -r1.193 elf.c
> --- bfd/elf.c 26 Jul 2003 01:06:27 -0000 1.193
> +++ bfd/elf.c 28 Jul 2003 14:10:11 -0000
> @@ -2192,13 +2192,13 @@ static struct bfd_elf_special_section co
> { ".dynsym", 0, NULL, 0,
> SHT_DYNSYM, SHF_ALLOC },
> { ".got", 0, NULL, 0,
> - SHT_PROGBITS, 0 },
> + SHT_PROGBITS, SHF_ALLOC + SHF_WRITE },
> { ".hash", 0, NULL, 0,
> SHT_HASH, SHF_ALLOC },
> { ".interp", 0, NULL, 0,
> SHT_PROGBITS, 0 },
> { ".plt", 0, NULL, 0,
> - SHT_PROGBITS, 0 },
> + SHT_PROGBITS, SHF_ALLOC + SHF_EXECINSTR },
.plt is SHF_ALLOC + SHF_WRITE + SHF_EXECINSTR on about half of ELF arches I
think (and SHT_NOBITS on ppc/ppc64).
Do we really expect half of the arches to define their own special_section
table with .plt section, or shouldn't backends inform ELF generic code
whether they use .got.plt or not?
Jakub