[PATCH 2/2] linux/aarch64: sync sys/ptrace.h with Linux 4.15

[Szabolcs Nagy]

On 07/02/18 09:48, Dmitry V. Levin wrote:
> On Mon, Jan 01, 2018 at 11:35:41PM +0300, Dmitry V. Levin wrote:
>> On Mon, Jan 01, 2018 at 01:43:53AM +0000, Joseph Myers wrote:
>>> On Sat, 30 Dec 2017, Dmitry V. Levin wrote:
>>>
>>>> To implement a proper multilib sys/ptrace.h on aarch64, arm/sys/ptrace.h
>>>> has to be used instead of aarch64/sys/ptrace.h with all arm-specific
>>>> definitions ifdef'ed.
>>>
>>> ARM and AArch64 are separate toolchain ports requiring separate compilers.
>>> There is no support for multilib headers supporting both in the same
>>> header.  (Debian/Ubuntu multiarch configurations put all bits/ and sys/
>>> headers in multiarch directory arrangements so could handle having both
>>> versions of a sys/ header installed without problems.)
>>
>> Sure.  My comment is addressed to people who might consider implementing
>> multilib headers on aarch64 in the future.
> 
> Any more comments?  Is the change OK?
> 

no, multilib header support is not wanted with arm and aarch64,
they are separate targets.

i thought users of ptrace.h just include the linux asm/ptrace.h
anyway, so glibc does not need to track linux uapi.
(at least gdb does that in its linux specific code)