[PATCH 06/13] arc: define syscall_get_arch()

[Vineet Gupta]

On 11/9/18 11:03 AM, Andy Lutomirski wrote:
>> Does ptrace (or user of this API) need a unique value per arch. Otherwise instead
>> of adding the boilerplate code to all arches, they could simply define AUDIT_ARCH
>> and common code could return it. Also the EM_xxx are not there in
>> include/uapi/linux/elf.h to begin with since libc elf.h already defines them.
>>
> A lot of architectures allow multiple audit_arches at runtime due to compat support and similar features, so it really does want to be a function.  The goal of this patch set is to get it supported everywhere.
> 

I was wondering if we could have a common syscall_get_arch() simply returning an
per-arch AUDIT_ARCH. But seems like the function itself needs to be per arch
anyways due to the nuances above.