[OpenBIOS] [PATCH 5/5] Consolidate .sbss and .sbss.* sections and align them on PowerPC

[Laurent Vivier]

Le samedi 16 mai 2009 à 21:04 -0400, Pavel Roskin a écrit :
> On Sat, 2009-05-16 at 20:16 -0400, Pavel Roskin wrote:
> > This is needed on Fedora 11 (GNU ld 2.19.51.0.2).  Otherwise, qemu
> > reports on statup:
> > 
> > invalid/unsupported opcode: 00 - 18 - 01 (00004070) 00000004 1
> > invalid/unsupported opcode: 00 - 04 - 17 (000095c8) 000095ec 0
> 
> Actually, I don't feel strongly about this patch.  It's the first
> version that worked.
> 
> I checked Linux sources (arch/powerpc/kernel/vmlinux.lds.S) and I see
> that .sbss is put to the .bss section in front of .bss itself.  Perhaps
> that's what we should be doing in OpenBIOS.
> 
> This patch works too:
> 
> --- a/arch/ppc/qemu/ldscript
> +++ b/arch/ppc/qemu/ldscript
> @@ -46,6 +46,8 @@ SECTIONS
>  
>      .bss ALIGN(4096): {
>          _bss = .;
> +	*(.sbss)
> +	*(.sbss.*)
>  	*(.bss)
>  	*(.bss.*)
>  	*(COMMON)
> 
> The problem is discussed at
> https://bugzilla.redhat.com/show_bug.cgi?id=494075

I've applied this one as commit r488.

Thanks,
Laurent