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Re: [PATCH v3 0/3] Enable ptrace support for aarch64 sve
- From: Simon Marchi <simark at simark dot ca>
- To: Alan Hayward <alan dot hayward at arm dot com>, gdb-patches at sourceware dot org
- Cc: nd at arm dot com
- Date: Sat, 16 Jun 2018 22:26:10 -0400
- Subject: Re: [PATCH v3 0/3] Enable ptrace support for aarch64 sve
- References: <20180615161824.95787-1-alan.hayward@arm.com>
On 2018-06-15 12:18 PM, Alan Hayward wrote:
> This set of patches adds the ptrace support for SVE.
>
> Patch 1 includes macros/defines copied from the Linux kernel headers.
> Previously, there was reservation about the copyright/ownership issues
> about putting this into gdb. These header contents were all fully written
> by Arm, who own the copyright and released it to Linux under GPL3 license.
> This patch simply repackages the same code and releases it with the
> same license and "provided by Arm" comment. There is precedence for
> Arm doing the same in other FSF projects, and it falls within GPLs
> copyleft policy.
>
> I've also kept all the defines in a single file as it only contains
> the relevant sections from two headers.
>
> Apologies for the delay on submitting this, as I was seeking
> clarification to the above. I'm hoping this alleviates any concerns.
> It's also a more robust solution than selectively compiling support.
>
> Patches 2 and 3 fix up all the review comments from v2.
> In particular, patch 3 changes is_sve_tdesc to the only method I
> could find - checking the number of registers.
>
> Ran make check on x86 and aarch64.
> Tested SVE and non-SVE built gdb on Aarch64 SVE emulator.
>
> In addition, I've still got the following awaiting review:
> [PATCH] Support large registers in regcache transfer_regset
> https://sourceware.org/ml/gdb-patches/2018-06/msg00303.html
Thanks, the patchset LGTM.
Note the typo in the third patch's title, "gdbsever".
Simon