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Re: [Qemu-devel] [PATCH] Fix missing symbols in .rel/.rela.plt sections
From: |
Aurelien Jarno |
Subject: |
Re: [Qemu-devel] [PATCH] Fix missing symbols in .rel/.rela.plt sections |
Date: |
Sat, 6 Feb 2010 22:23:07 +0100 |
User-agent: |
Mutt/1.5.20 (2009-06-14) |
On Sun, Jan 31, 2010 at 12:22:52PM +0100, Loïc Minier wrote:
> Fix .rel.plt sections in the output to not only include .rel.plt
> sections from the input but also the .rel.iplt sections and to define
> the hidden symbols __rel_iplt_start and __rel_iplt_end around
> .rel.iplt as otherwise we get undefined references to these when
> linking statically to a multilib libc.a. This fixes the static build
> under i386.
>
> Apply similar logic to rela.plt/.iplt and __rela_iplt/_plt_start/_end to
> fix the static build under amd64.
Thanks, applied.
> Signed-off-by: Loïc Minier <address@hidden>
> ---
> i386.ld | 16 ++++++++++++++--
> x86_64.ld | 16 ++++++++++++++--
> 2 files changed, 28 insertions(+), 4 deletions(-)
>
> diff --git a/i386.ld b/i386.ld
> index f2dafec..f8df7bf 100644
> --- a/i386.ld
> +++ b/i386.ld
> @@ -39,8 +39,20 @@ SECTIONS
> .rela.fini : { *(.rela.fini) }
> .rel.bss : { *(.rel.bss) }
> .rela.bss : { *(.rela.bss) }
> - .rel.plt : { *(.rel.plt) }
> - .rela.plt : { *(.rela.plt) }
> + .rel.plt :
> + {
> + *(.rel.plt)
> + PROVIDE_HIDDEN (__rel_iplt_start = .);
> + *(.rel.iplt)
> + PROVIDE_HIDDEN (__rel_iplt_end = .);
> + }
> + .rela.plt :
> + {
> + *(.rela.plt)
> + PROVIDE_HIDDEN (__rela_iplt_start = .);
> + *(.rela.iplt)
> + PROVIDE_HIDDEN (__rela_iplt_end = .);
> + }
> .init : { *(.init) } =0x47ff041f
> .text :
> {
> diff --git a/x86_64.ld b/x86_64.ld
> index 24ea77d..46d8d4d 100644
> --- a/x86_64.ld
> +++ b/x86_64.ld
> @@ -35,8 +35,20 @@ SECTIONS
> .rela.got : { *(.rela.got) }
> .rel.bss : { *(.rel.bss .rel.bss.* .rel.gnu.linkonce.b.*) }
> .rela.bss : { *(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*) }
> - .rel.plt : { *(.rel.plt) }
> - .rela.plt : { *(.rela.plt) }
> + .rel.plt :
> + {
> + *(.rel.plt)
> + PROVIDE_HIDDEN (__rel_iplt_start = .);
> + *(.rel.iplt)
> + PROVIDE_HIDDEN (__rel_iplt_end = .);
> + }
> + .rela.plt :
> + {
> + *(.rela.plt)
> + PROVIDE_HIDDEN (__rela_iplt_start = .);
> + *(.rela.iplt)
> + PROVIDE_HIDDEN (__rela_iplt_end = .);
> + }
> .init :
> {
> KEEP (*(.init))
> --
> 1.6.5
>
>
>
>
--
Aurelien Jarno GPG: 1024D/F1BCDB73
address@hidden http://www.aurel32.net
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