Re: [PATCH v1 11/11] perf build: Rename PERF_HAVE_DWARF_REGS to PERF_HAVE_LIBDW_REGS

[Ian Rogers]

On Wed, Sep 25, 2024 at 8:27 PM Namhyung Kim <namhyung@xxxxxxxxxx> wrote:
>
> On Tue, Sep 24, 2024 at 09:04:18AM -0700, Ian Rogers wrote:
> > The name dwarf can imply libunwind support, whereas
> > PERF_HAVE_DWARF_REGS is only enabled with libdw support. Rename to
> > make it clearer there is a libdw connection.
>
> While it only covers libdw, I think the idea of this macro is whether
> the arch has register mappings defined in DWARF standard.  So I think
> it's better to keep the name for this case.

How can the dwarf standard exist for an arch but not define registers?

Thanks,
Ian