Re: [PATCH 2/3] Handle DWARF 5 separate debug sections

[Alexandra Petlanova Hajkova <ahajkova@redhat.com>]

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On Sun, Mar 23, 2025 at 8:23 PM Tom Tromey <tom@tromey.com> wrote:

> DWARF 5 standardized the .gnu_debugaltlink section that dwz emits in
> multi-file mode.  This is handled via some new forms, and a new
> .debug_sup section.
>
> This patch adds support for this to gdb.  It is largely
> straightforward, I think, though one oddity is that I chose not to
> have this code search the system build-id directories for the
> supplementary file.  My feeling was that, while it makes sense for a
> distro to unify the build-id concept with the hash stored in the
> .debug_sup section, there's no intrinsic need to do so.
>
> This in turn means that a few tests -- for example those that test the
> index cache -- will not work in this mode.
>
> Bug: https://sourceware.org/bugzilla/show_bug.cgi?id=32808
>
>
Hi Tom,

I tested this on aarch64, Fedora 40 and  this change causes
gdb.base/bp-cmds-continue-ctrl-c.exp
to fail. I can provide you with the logs if you are interested.

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