Re: start___kallsyms missing from i386 vmlinux.lds ?

Paul Gortmaker (p_gortmaker@yahoo.com)
Tue, 02 Jan 2001 04:39:39 -0500


Keith Owens wrote:
>
> On Tue, 02 Jan 2001 01:56:08 -0500,
> Paul Gortmaker <p_gortmaker@yahoo.com> wrote:
> >--- linux/arch/i386/vmlinux.lds~ Fri Jul 7 03:47:07 2000
> >+++ linux/arch/i386/vmlinux.lds Mon Jan 1 07:55:50 2001
> >+ __start___kallsyms = .; /* All kernel symbols */
> >+ __kallsyms : { *(__kallsyms) }
> >+ __stop___kallsyms = .;
>
> kernel/module.c defines
> extern const char __start___kallsyms[] __attribute__ ((weak));
> extern const char __stop___kallsyms[] __attribute__ ((weak));
>
> The symbols are weak and do not need to be defined. If gcc is not
> honouring __attribute__ ((weak)) then you have a broken or obsolete
> version of gcc. You need at least gcc 2.91.66 for kernel 2.4.

Yep, saw the weak part - just noted while scanning test11 diff
that they were defined like the above patch for arch/sparc* and
wondered if the inconsistency was intentional.

Thanks,
Paul.

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