[PATCH v6 0/3] AArch64: KGDB support

[Andrew Pinski]

On Mon, Jan 6, 2014 at 10:12 AM, Will Deacon <will.deacon at arm.com> wrote:
> Hi Vijay,
>
> On Thu, Dec 19, 2013 at 11:50:48AM +0000, vijay.kilari at gmail.com wrote:
>> From: Vijaya Kumar K <Vijaya.Kumar at caviumnetworks.com>
>>
>> Based on the step-handler and break-handler hooks patch from
>> Sandeepa, KGDB debugging support is added for EL1
>> debug in AArch64 mode. Any updates that come for Patch 1 from
>> Sandeepa will be rebased in next version
>>
>> With second patch,register layout is updated to be inline with GDB tool.
>> Basic GDB connection, break point set/clear and info commands
>> are supported except step/next debugging
>>
>> With third patch, step/next debugging support is added, where in
>> pc is updated to point to the instruction to be stepped and
>> stopped.
>>
>> With fourth patch, the compile time breakpoint instruction
>> reordering is fixed by making kgbd_breakpoint() as noinline
>>
>> Tested with ARM64 simulator
>>
>> v6:
>>  - Change pstate register to 8 bytes to make endian nuetral.
>>    Use GDB below GDB patch to display pstate in Big endian mode.
>>    https://sourceware.org/ml/gdb-patches/2013-12/msg00720.html
>>    Thanks to Andrew.
>
> Thanks for getting this new version out. Just a few things before it can be
> applied:
>
>   1. Can you please use "arm64:" instead of "AArch64:" in the patch
>      subjects?
>
>   2. Can you get an ack from somebody like Jason on the final patch please?
>
>   3. Can you rebase onto the for-next/core branch at the arm64 repo:
>
>        git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git
>
>      you'll get a trivial conflict against arch/arm64/kernel/Makefile.
>
>   4. Can you make sure that the gdb patch you linked to actually gets
>      merged? There is still some discussion by the looks of it.


I merged it last week:
https://sourceware.org/git/?p=binutils-gdb.git;a=commit;h=a4d9ba85ec5597a6a556afe26b712e878374b9dd
.

Thanks,
Andrew Pinski

>
> Cheers,
>
> Will