* [Bug default/27374] New: [dwz, dwarf5] .debug_names support
@ 2021-02-08 13:07 vries at gcc dot gnu.org
2021-02-08 14:25 ` [Bug default/27374] " mark at klomp dot org
` (4 more replies)
0 siblings, 5 replies; 6+ messages in thread
From: vries at gcc dot gnu.org @ 2021-02-08 13:07 UTC (permalink / raw)
To: dwz
https://sourceware.org/bugzilla/show_bug.cgi?id=27374
Bug ID: 27374
Summary: [dwz, dwarf5] .debug_names support
Product: dwz
Version: unspecified
Status: NEW
Severity: enhancement
Priority: P2
Component: default
Assignee: nobody at sourceware dot org
Reporter: vries at gcc dot gnu.org
CC: dwz at sourceware dot org
Target Milestone: ---
Currently not supported:
...
$ gcc -gdwarf-5 ../src/testsuite/dwz.tests/hello.c
$ gdb-add-index -dwarf-5 a.out
$ cp a.out 1; ./dwz 1
./dwz: 1: Unknown debugging section .debug_names
...
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^ permalink raw reply [flat|nested] 6+ messages in thread* [Bug default/27374] [dwz, dwarf5] .debug_names support
2021-02-08 13:07 [Bug default/27374] New: [dwz, dwarf5] .debug_names support vries at gcc dot gnu.org
@ 2021-02-08 14:25 ` mark at klomp dot org
2021-02-19 11:36 ` mark at klomp dot org
` (3 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: mark at klomp dot org @ 2021-02-08 14:25 UTC (permalink / raw)
To: dwz
https://sourceware.org/bugzilla/show_bug.cgi?id=27374
Mark Wielaard <mark at klomp dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Blocks| |24726
Referenced Bugs:
https://sourceware.org/bugzilla/show_bug.cgi?id=24726
[Bug 24726] [dwz] Support DWARF5
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^ permalink raw reply [flat|nested] 6+ messages in thread* [Bug default/27374] [dwz, dwarf5] .debug_names support
2021-02-08 13:07 [Bug default/27374] New: [dwz, dwarf5] .debug_names support vries at gcc dot gnu.org
2021-02-08 14:25 ` [Bug default/27374] " mark at klomp dot org
@ 2021-02-19 11:36 ` mark at klomp dot org
2023-12-10 15:15 ` tromey at sourceware dot org
` (2 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: mark at klomp dot org @ 2021-02-19 11:36 UTC (permalink / raw)
To: dwz
https://sourceware.org/bugzilla/show_bug.cgi?id=27374
Mark Wielaard <mark at klomp dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |mark at klomp dot org,
| |tromey at sourceware dot org
--- Comment #1 from Mark Wielaard <mark at klomp dot org> ---
This will need coordination with the rest of the GNU Toolchain, in particular
GDB, which uses .gdb_index (which dwz does support). The .debug_names that
gdb-add-index -dwarf-5 generates seems incomplete
(https://www.sourceware.org/bugzilla/show_bug.cgi?id=24820) and it might need
some extensions (in DWARF6?) to be generated properly.
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^ permalink raw reply [flat|nested] 6+ messages in thread* [Bug default/27374] [dwz, dwarf5] .debug_names support
2021-02-08 13:07 [Bug default/27374] New: [dwz, dwarf5] .debug_names support vries at gcc dot gnu.org
2021-02-08 14:25 ` [Bug default/27374] " mark at klomp dot org
2021-02-19 11:36 ` mark at klomp dot org
@ 2023-12-10 15:15 ` tromey at sourceware dot org
2024-01-18 20:38 ` tromey at sourceware dot org
2024-02-09 19:58 ` tromey at sourceware dot org
4 siblings, 0 replies; 6+ messages in thread
From: tromey at sourceware dot org @ 2023-12-10 15:15 UTC (permalink / raw)
To: dwz
https://sourceware.org/bugzilla/show_bug.cgi?id=27374
Tom Tromey <tromey at sourceware dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Depends on| |24820
Referenced Bugs:
https://sourceware.org/bugzilla/show_bug.cgi?id=24820
[Bug 24820] .debug_names has incorrect contents
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^ permalink raw reply [flat|nested] 6+ messages in thread* [Bug default/27374] [dwz, dwarf5] .debug_names support
2021-02-08 13:07 [Bug default/27374] New: [dwz, dwarf5] .debug_names support vries at gcc dot gnu.org
` (2 preceding siblings ...)
2023-12-10 15:15 ` tromey at sourceware dot org
@ 2024-01-18 20:38 ` tromey at sourceware dot org
2024-02-09 19:58 ` tromey at sourceware dot org
4 siblings, 0 replies; 6+ messages in thread
From: tromey at sourceware dot org @ 2024-01-18 20:38 UTC (permalink / raw)
To: dwz
https://sourceware.org/bugzilla/show_bug.cgi?id=27374
Bug 27374 depends on bug 24820, which changed state.
Bug 24820 Summary: .debug_names has incorrect contents
https://sourceware.org/bugzilla/show_bug.cgi?id=24820
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
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^ permalink raw reply [flat|nested] 6+ messages in thread* [Bug default/27374] [dwz, dwarf5] .debug_names support
2021-02-08 13:07 [Bug default/27374] New: [dwz, dwarf5] .debug_names support vries at gcc dot gnu.org
` (3 preceding siblings ...)
2024-01-18 20:38 ` tromey at sourceware dot org
@ 2024-02-09 19:58 ` tromey at sourceware dot org
4 siblings, 0 replies; 6+ messages in thread
From: tromey at sourceware dot org @ 2024-02-09 19:58 UTC (permalink / raw)
To: dwz
https://sourceware.org/bugzilla/show_bug.cgi?id=27374
--- Comment #2 from Tom Tromey <tromey at sourceware dot org> ---
FWIW I'd recommend simply making the index after running dwz.
However, if you really want to have dwz understand how to make
an index, you should be aware of gdb extensions:
https://sourceware.org/gdb/current/onlinedocs/gdb.html/Debug-Names.html#Debug-Names
There will be more of these, I think -- actually to handle
dwz we need some.
Also, gdb does producer-sniffing and rejects most indexes,
so probably it will also need a patch if dwz gains this capability.
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2021-02-08 13:07 [Bug default/27374] New: [dwz, dwarf5] .debug_names support vries at gcc dot gnu.org
2021-02-08 14:25 ` [Bug default/27374] " mark at klomp dot org
2021-02-19 11:36 ` mark at klomp dot org
2023-12-10 15:15 ` tromey at sourceware dot org
2024-01-18 20:38 ` tromey at sourceware dot org
2024-02-09 19:58 ` tromey at sourceware dot org
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