Messages in this thread | | | Date | Tue, 17 Jun 2008 13:11:12 +0300 | From | Adrian Bunk <> | Subject | Re: architectures with ARCH_SUPPORTS_AOUT but no binfmt_aout |
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On Tue, Jun 17, 2008 at 10:46:44AM +0100, David Woodhouse wrote: > On Tue, 2008-06-17 at 11:42 +0300, Adrian Bunk wrote: > > > > > Why _are_ there architectures which define ARCH_SUPPORTS_AOUT and have > > > <asm/a.out.h> but don't support binfmt_aout, anyway? How does that make > > > sense? > > > > My guess would be that binfmt_aout isn't actually used there. > > > > The affected architectures are: > > - h8300 > > - m32r > > - parisc > > - sh > > - v850 > > > > v850 is broken beyond repair, and I hope my patch to remove the > > architecture will make it into 2.6.27. > > > > For the other 4 architectures I have Cc'ed the architecture maintainers. > > There's another set of architectures which have <asm/a.out.h> but don't > define ARCH_SUPPORTS_AOUT. Including PowerPC. > > I think we can probably get away with removing <asm/a.out.h> from every > architecture other than Alpha, ARM, m68k and x86, and killing > ARCH_SUPPORTS_AOUT completely.
include/linux/a.out.h contains an #include <asm/a.out.h> and is exported to userspace...
> Or maybe, as dhowells suggests, re-defining ARCH_SUPPORTS_AOUT to be set > only on Alpha, ARM, m68k and x86 (so BINFMT_AOUT can depend on it).
The pattern for this stuff is to provide a HAVE_AOUT kconfig variable that gets select'ed by these architectures.
> dwmw2
cu Adrian
--
"Is there not promise of rain?" Ling Tan asked suddenly out of the darkness. There had been need of rain for many days. "Only a promise," Lao Er said. Pearl S. Buck - Dragon Seed
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