lkml.org 
[lkml]   [2013]   [Feb]   [3]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] arch: avr32: add dummy syscalls
On Sun, Jan 27, 2013 at 09:39:54PM +0100, Hans-Christian Egtvedt wrote:
> > If you are OK with going that way, I could probably put together patches doing
> > just that. Note that for rt_sigsuspend/rt_sigreturn/sigaltstack the wrappers
> > are not needed at all - they can just use current_pt_regs() in syscall body.
> > IOW, all of syscall-stubs.S could be killed.
>
> Nice, could you put together the preprocessor stuff in a patch? It would be
> great to not having to write a re-occuring stub for each syscall that has 6+
> arguments.
>
> Thanks for looking at this.

Apologies about the delay... One question: what's the AVR32 C ABI for
passing 64bit arguments? The tricky bugger is sys_sync_file_range();
it takes (s32, s64, s64, u32) as arguments and if not any pair of
registers can be used to pass 64bit value, we have more serious trouble
there...


\
 
 \ /
  Last update: 2013-02-04 01:41    [W:0.050 / U:0.176 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site