hppa fixes

[Carlos O'Donell]

2009/10/5 Dmitry V. Levin <ldv at altlinux.org>:
>> -                     tcp->u_nargs = MAX_ARGS;
>> +                     /* Unknown syscall, assume maximum number of arguments.  */
>> +                     tcp->u_nargs = sizeof(args)/sizeof(args[0]);
>>               for (i = 0; i < tcp->u_nargs; i++) {
>> -                     if (upeek(tcp, PT_GR26-4*i, &tcp->u_arg[i]) < 0)
>> +                     if (upeek(tcp, args[i], &tcp->u_arg[i]) < 0)
>>                               return -1;
>>               }
>>       }
>
> This hunk does not look correct.
> If MAX_ARGS should be lowered on HPPA from 32 to 6, let's change it in
> the defs.h file.

Dmitry,

Lowering HPPA from 32 to 6 syscall args is correct.

Thank you for committing the hppa fixes listed below.

I have verified that upstream strace HEAD works correctly on hppa.

~~~
commit 67874d8393499e3c7f0d5a950f2707758560f61f
Author: Dmitry V. Levin <ldv at altlinux.org>
Date:   Mon Oct 5 23:32:39 2009 +0000

    * defs.h [HPPA]: Lower MAX_ARGS from 32 to 6.

commit c0124e64489277d2d8a6c76ee66579ffa18e052e
Author: Dmitry V. Levin <ldv at altlinux.org>
Date:   Mon Oct 5 23:31:54 2009 +0000

    * ipc.c [LINUX] (sys_shmat): HPPA does not use an IPC multiplexer.

    Based on patch from Carlos O'Donell.

commit 1dc2061c2ac7a73fa3d88fa0b10079151f7de530
Author: Carlos O'Donell <carlos at systemhalted.org>
Date:   Mon Sep 14 02:06:20 2009 +0000

    * linux/hppa/syscallent.h: Update syscalls.

    Based on work by Kyle McMartin and Helge Deller.

commit 4677c8af94bcb3f39d5bf929ee44cd6724b7d0b8
Author: Carlos O'Donell <carlos at systemhalted.org>
Date:   Wed Sep 9 18:13:19 2009 +0000

    Fix SA_HANDLER function pointer comparisons for hppa

    * signal.c (sys_sigaction): Cast SA_HANDLER function pointers to long.
    (sys_rt_sigaction): Likewise.
~~~

Cheers,
Carlos.