Re: [RFC PATCH 21/23] powerpc64 is not necessarily BigEndian anymore! :)

[Andrey Borzenkov]

В Sat, 05 Apr 2014 20:29:24 +0200
Vladimir 'φ-coder/phcoder' Serbinenko <address@hidden> пишет:

> On 05.04.2014 18:49, Andrey Borzenkov wrote:
> > В Sat, 05 Apr 2014 17:45:30 +0200
> > Vladimir 'φ-coder/phcoder' Serbinenko <address@hidden> пишет:
> > 
> >> A problem is that restgpr and [al]sh[lr]di3 weren't used by any
> >> platform.
> > 
> > What do you mean? They are used, but resolved from -lgcc for all
> > current platforms. Where it breaks is ppc64le where libgcc for BE does
> > not normally exist. And without -lgcc we get
> > 
> > [  152s] kern/powerpc/kernel_exec-dl.o: In function 
> > `grub_arch_dl_relocate_symbols':
> > [  152s] 
> > /home/abuild/rpmbuild/BUILD/grub-2.02~beta2/build/grub-core/../../grub-core/kern/powerpc/dl.c:167:
> >  undefined reference to `_restgpr_21_x'
> > [  152s] disk/ieee1275/kernel_exec-ofdisk.o: In function 
> > `grub_ofdisk_close':
> > [  152s] 
> > /home/abuild/rpmbuild/BUILD/grub-2.02~beta2/build/grub-core/../../grub-core/disk/ieee1275/ofdisk.c:448:
> >  undefined reference to `_restgpr_29_x'
> > ...
> > 
> > 
> Not on my system. I use GCC 4.7.2. What version do you get this with?

GCC 4.8

> >>           Some other gcc versions probably use them. I'll need to figure
> >> out on which platforms.
> > 
> > Just set TARGET_LDFLAGS_STATIC_LIBGCC= and TARGET_LIBGCC= and try to
> > compile. If you intend to replace libgcc by internal implementation,
> > those flags are not needed anyway.
> > 
> >> restgpr is definitely ppc-only.
> >> [al]sh[lr]di3 I think was for arm.
> >>>
> >>>> For ppc only ucmpdi2 was needed actually.
> >>>
> >>>
> >>>
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> >>>
> >>
> >>
> > 
> > 
> > 
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> 
>

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