utrace syscall arguments

[Masami Hiramatsu]

Roland McGrath wrote:
>> This frame will be used when calling syscall handlers,
>> and it will be saved in cr_ifs.
>> So, I guess it is possible that we can check the system
>> call is syscall or not by checking cr_ifs.
> 
> Now you are speaking ia64 and I am lost!  Ok, I guess I understand it a
> little better than if you'd answered in Japanese, but not that much
> better. ;-)

Sure, that's ia64 local language:-)

> It sounds like you might have a fix to suggest to the upstream ia64
> maintainers to use in arch/ia64/kernel/ptrace.c:syscall_get_set_args_cb.

I think we need to fix syscall_get_set_args_cb too.
I'll check that we can fix this issue by using cr_ifs.

> The mandate for asm/syscall.h is to report/modify what system call number
> and arguments the kernel would actually act on, whatever the details of the
> user state and style of kernel entry.  Whatever ia64 magic is required to
> make that true is what this arch code should be doing.

Agreed.

Thanks,

-- 
Masami Hiramatsu

Software Engineer
Hitachi Computer Products (America) Inc.
Software Solutions Division

e-mail: mhiramat@redhat.com