Re: [PATCH 0/3 v3] [AArch64] Support tagged pointer

Yao Qi
2017-12-08T17:31:06Z

On Fri, Dec 8, 2017 at 10:04 AM, Yao Qi <qiyaoltc@gmail.com> wrote:
> ARMv8 supports tagged address, that is, the top one byte in address
> is ignored. It is always enabled on aarch64-linux. See
> https://www.kernel.org/doc/Documentation/arm64/tagged-pointers.txt
>
> Some parts of GDB related to address are updated in this patch series,
>
> - Memory access, like command 'x',
> - Setting hw breakpoint on some address,
> - Setting watchpoint on some address,
>

I pushed them in as we are close to branching. We can still keep the
addr_bits_remove vs significant_addr_bit conversation ongoing.

--
Yao (齐尧)