* [Bug default/27440] [dwz, dwarf5] Add --dwarf-5 flag to generate .debug_sup, ref_sup and strp_sup
2021-02-19 11:43 [Bug default/27440] New: [dwz, dwarf5] Add --dwarf-5 flag to generate .debug_sup, ref_sup and strp_sup mark at klomp dot org
@ 2021-02-19 15:42 ` jakub at redhat dot com
2021-02-21 0:09 ` tromey at sourceware dot org
` (3 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: jakub at redhat dot com @ 2021-02-19 15:42 UTC (permalink / raw)
To: dwz
https://sourceware.org/bugzilla/show_bug.cgi?id=27440
Jakub Jelinek <jakub at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
URL| |https://sourceware.org/pipe
| |rmail/dwz/2021q1/000930.htm
| |l
CC| |jakub at redhat dot com
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^ permalink raw reply [flat|nested] 6+ messages in thread* [Bug default/27440] [dwz, dwarf5] Add --dwarf-5 flag to generate .debug_sup, ref_sup and strp_sup
2021-02-19 11:43 [Bug default/27440] New: [dwz, dwarf5] Add --dwarf-5 flag to generate .debug_sup, ref_sup and strp_sup mark at klomp dot org
2021-02-19 15:42 ` [Bug default/27440] " jakub at redhat dot com
@ 2021-02-21 0:09 ` tromey at sourceware dot org
2021-02-21 0:29 ` jakub at redhat dot com
` (2 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: tromey at sourceware dot org @ 2021-02-21 0:09 UTC (permalink / raw)
To: dwz
https://sourceware.org/bugzilla/show_bug.cgi?id=27440
Tom Tromey <tromey at sourceware dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |tromey at sourceware dot org
--- Comment #1 from Tom Tromey <tromey at sourceware dot org> ---
I found out today that gdb doesn't support these forms.
It also doesn't know about .debug_sup.
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^ permalink raw reply [flat|nested] 6+ messages in thread* [Bug default/27440] [dwz, dwarf5] Add --dwarf-5 flag to generate .debug_sup, ref_sup and strp_sup
2021-02-19 11:43 [Bug default/27440] New: [dwz, dwarf5] Add --dwarf-5 flag to generate .debug_sup, ref_sup and strp_sup mark at klomp dot org
2021-02-19 15:42 ` [Bug default/27440] " jakub at redhat dot com
2021-02-21 0:09 ` tromey at sourceware dot org
@ 2021-02-21 0:29 ` jakub at redhat dot com
2021-02-21 23:19 ` tromey at sourceware dot org
2021-02-26 23:26 ` mark at klomp dot org
4 siblings, 0 replies; 6+ messages in thread
From: jakub at redhat dot com @ 2021-02-21 0:29 UTC (permalink / raw)
To: dwz
https://sourceware.org/bugzilla/show_bug.cgi?id=27440
--- Comment #2 from Jakub Jelinek <jakub at redhat dot com> ---
I think no consumer does, because nothing was producing that.
Which is why it is produced under non-default switch now, so that consumers can
be adapted and perhaps in 6 months or 12 months we can switch the default (in
that case probably only if there were DWARF 5 CUs present, at least some).
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* [Bug default/27440] [dwz, dwarf5] Add --dwarf-5 flag to generate .debug_sup, ref_sup and strp_sup
2021-02-19 11:43 [Bug default/27440] New: [dwz, dwarf5] Add --dwarf-5 flag to generate .debug_sup, ref_sup and strp_sup mark at klomp dot org
` (2 preceding siblings ...)
2021-02-21 0:29 ` jakub at redhat dot com
@ 2021-02-21 23:19 ` tromey at sourceware dot org
2021-02-26 23:26 ` mark at klomp dot org
4 siblings, 0 replies; 6+ messages in thread
From: tromey at sourceware dot org @ 2021-02-21 23:19 UTC (permalink / raw)
To: dwz
https://sourceware.org/bugzilla/show_bug.cgi?id=27440
--- Comment #3 from Tom Tromey <tromey at sourceware dot org> ---
I sent a gdb patch to handle this.
https://sourceware.org/pipermail/gdb-patches/2021-February/176508.html
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^ permalink raw reply [flat|nested] 6+ messages in thread* [Bug default/27440] [dwz, dwarf5] Add --dwarf-5 flag to generate .debug_sup, ref_sup and strp_sup
2021-02-19 11:43 [Bug default/27440] New: [dwz, dwarf5] Add --dwarf-5 flag to generate .debug_sup, ref_sup and strp_sup mark at klomp dot org
` (3 preceding siblings ...)
2021-02-21 23:19 ` tromey at sourceware dot org
@ 2021-02-26 23:26 ` mark at klomp dot org
4 siblings, 0 replies; 6+ messages in thread
From: mark at klomp dot org @ 2021-02-26 23:26 UTC (permalink / raw)
To: dwz
https://sourceware.org/bugzilla/show_bug.cgi?id=27440
Mark Wielaard <mark at klomp dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
--- Comment #4 from Mark Wielaard <mark at klomp dot org> ---
commit 4e55da9f7700dda5936c7a486651674dbc782a7e
Author: Jakub Jelinek <jakub@redhat.com>
Date: Sat Feb 20 10:47:53 2021 +0100
PR27440 - add --dwarf-5 support
This adds --dwarf-5 support, so that dwz can emit standard DWARF 5
Supplementary object files with .debug_sup section and debug info referring
to those with .debug_sup section instead of .gnu.debugaltlink and standard
DWARF 5 DW_FORM_*sup instead of the DW_FORM_GNU_*alt forms.
* dwz.1: Document --dwarf-5 and -5 options.
* dwz.c (enum debug_section_kind): Add DEBUG_SUP.
(debug_sections): Add .debug_sup section entry.
(multifile_name, multifile_relative): Adjust comment.
(dwarf_5): New variable.
(note_strp_offset2): Adjust function comment. If dwarf_5, return
DW_FORM_strp_sup instead of DW_FORM_GNU_strp_alt.
(macro_eq, read_macro, optimize_write_macro, handle_macro): Use
standard DWARF 5 DW_MACRO_* names instead of their DW_MACRO_GNU_*
aliases.
(write_macro): Likewise. Handle DW_FORM_strp_sup.
(build_abbrevs_for_die): If dwarf_5, use DW_FORM_ref_sup4 instead
of
DW_FORM_GNU_ref_alt.
(write_unit_die): Handle DW_FORM_strp_sup.
(write_die): Handle DW_FORM_ref_sup4 and DW_FORM_strp_sup.
(read_dwarf): Fail if .debug_sup section is present, unless
rd_multifile in dwarf_5 mode.
(dwz): Write .debug_sup section instead of .gnu.debugaltlink if
dwarf_5.
(optimize_multifile): Write .debug_sup section instead of
.note.gnu.build-id.
(dwz_options): Add --dwarf-5 and -5 options.
(dwz_multi_file_options_help): Mention .debug_sup section in -M
description. Add --dwarf-5 description.
(main): Handle --dwarf-5 and -5 options.
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