Re: [patch] aarch64: PR 19806: watchpoints: false negatives + PR 20207 contiguous ones

Eli Zaretskii
2018-05-02T14:50:35Z

> Date: Wed, 2 May 2018 01:06:06 +0200
> From: Jan Kratochvil <jan.kratochvil@redhat.com>
> Cc: Yao Qi <qiyaoltc@gmail.com>, gdb-patches@sourceware.org
>
> diff --git a/gdb/NEWS b/gdb/NEWS
> index 6193070023..46f6635dda 100644
> --- a/gdb/NEWS
> +++ b/gdb/NEWS
> @@ -42,6 +42,16 @@ SH-5/SH64 ELF sh64-*-elf*, SH-5/SH64 support in sh*
> SH-5/SH64 running GNU/Linux SH-5/SH64 support in sh*-*-linux*
> SH-5/SH64 running OpenBSD SH-5/SH64 support in sh*-*-openbsd*
>
> +* Aarch64/Linux hardware watchpoints improvements
> +
> + Hardware watchpoints on unaligned addresses are now properly
> + supported when running Linux kernel 4.10 or higher: read and access
> + watchpoints are no longer spuriously missed, and all watchpoints
> + lengths between 1 and 8 bytes are supported. On older kernels,
> + watchpoints set on unaligned addresses are no longer missed, with
> + the tradeoff that there is a possibility of false hits being
> + reported.
> +
> *** Changes in GDB 8.1

This part is approved.

Thanks.