Re: fs/binfmt_aout.o, Error: suffix or operands invalid for `cmp' [was Re: 2.6.17-mm1]

[Andrew Morton <akpm@osdl.org>]

On Wed, 21 Jun 2006 23:16:17 +0200
Mattia Dongili <malattia@linux.it> wrote:

> On Wed, Jun 21, 2006 at 01:42:15PM -0700, Andrew Morton wrote:
> > On Wed, 21 Jun 2006 21:39:32 +0200
> > Mattia Dongili <malattia@linux.it> wrote:
> > 
> > > Thanks, this is fixed, but I have a new failure:
> > >   CC [M]  fs/xfs/support/move.o
> > >   CC [M]  fs/xfs/support/uuid.o
> > >   LD [M]  fs/xfs/xfs.o
> > >   CC      fs/dnotify.o
> > >   CC      fs/dcookies.o
> > >   LD      fs/built-in.o
> > >   CC [M]  fs/binfmt_aout.o
> > > {standard input}: Assembler messages:
> > > {standard input}:160: Error: suffix or operands invalid for `cmp'
> > > make[1]: *** [fs/binfmt_aout.o] Error 1
> > > make: *** [fs] Error 2
> > 
> > what the heck?  Can you do `make fs/binfmt_aout.s' then send the relevant
> > parts of that file?
> 
> I can't really tell which is the relevant part other than line 160 :)
> Full file available here:
> http://oioio.altervista.org/linux/binfmt_aout.s
> 

It's complaining about this:

#APP
        addl %ecx,%eax ; sbbl %edx,%edx; cmpl %eax,$-1073741824; sbbl $0,%edx   # dump.u_dsize, sum, flag,
#NO_APP

from fs/binfmt_aout.c:154:

        if (!access_ok(VERIFY_READ, (void __user *)START_DATA(dump), dump.u_dsize << PAGE_SHIFT))
                dump.u_dsize = 0;
        if (!access_ok(VERIFY_READ, (void __user *)START_STACK(dump), dump.u_ssize << PAGE_SHIFT))
                dump.u_ssize = 0;

the offending code comes from __range_ok()

Mad guess: does reverting
ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.17/2.6.17-mm1/broken-out/i386-use-c-code-for-current_thread_info.patch
help?
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