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Re: [RFC] More compact (100x) -g3 .debug_macinfo

From: Tom Tromey <tromey at redhat dot com>
To: Jakub Jelinek <jakub at redhat dot com>
Cc: Jason Merrill <jason at redhat dot com>, Richard Henderson <rth at redhat dot com>, Jan Kratochvil <jkratoch at redhat dot com>, Roland McGrath <roland at redhat dot com>, Cary Coutant <ccoutant at google dot com>, Mark Wielaard <mjw at redhat dot com>, gcc-patches at gcc dot gnu dot org
Date: Mon, 18 Jul 2011 08:43:27 -0600
Subject: Re: [RFC] More compact (100x) -g3 .debug_macinfo
References: <20110713170053.GX2687@tyan-ft48-01.lab.bos.redhat.com> <m3mxgix9b0.fsf@fleche.redhat.com> <20110713201747.GZ2687@tyan-ft48-01.lab.bos.redhat.com>

>>>>> "Jakub" == Jakub Jelinek <jakub@redhat.com> writes:

Tom> I don't think I really understood DW_MACINFO_GNU_define_opcode, so the
Tom> implementation here is probably wrong.

Jakub> Well, I think you've skipped it correctly and furthermore even patched
Jakub> GCC doesn't emit it.  The point of it was to allow skipping unknown
Jakub> opcodes.  If you implement this opcode fully and say GCC 4.8 adds a new
Jakub> vendor opcode, the old implementation would be able to silently skip
Jakub> over such opcodes.

I implemented this part today, so I think the gdb patch is complete now.

Tom

References:
- [RFC] More compact (100x) -g3 .debug_macinfo
  - From: Jakub Jelinek
- Re: [RFC] More compact (100x) -g3 .debug_macinfo
  - From: Tom Tromey
- Re: [RFC] More compact (100x) -g3 .debug_macinfo
  - From: Jakub Jelinek

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