* [Bug default/27544] New: [dwz] Handle dwarf errors more graciously
@ 2021-03-08 13:47 vries at gcc dot gnu.org
2021-03-12 10:56 ` [Bug default/27544] " vries at gcc dot gnu.org
0 siblings, 1 reply; 2+ messages in thread
From: vries at gcc dot gnu.org @ 2021-03-08 13:47 UTC (permalink / raw)
To: dwz
https://sourceware.org/bugzilla/show_bug.cgi?id=27544
Bug ID: 27544
Summary: [dwz] Handle dwarf errors more graciously
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: ---
I did an experiment with libxul debug info (from firefox).
I downloaded the firefox debuginfo package on openSUSE Leap 15.2.
I observed that there we no partial units.
Then I tried to run dwz, but after quite a while ran into a "cannot find
referenced DIE". I double checked, the error is correct.
It's a bit of a pity though, to not compress a rather large debug info file
because of a few invalid DIE references.
It would be nice if dwz could handle this more aggressively, say by treating
the invalid references as having the value 0.
However, we still would want to make a distinction between:
- "cannot find referenced DIE" because of input error
- "cannot find referenced DIE" because of dwz problem
so probably we'd need an input verification phase (PR25229).
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* [Bug default/27544] [dwz] Handle dwarf errors more graciously
2021-03-08 13:47 [Bug default/27544] New: [dwz] Handle dwarf errors more graciously vries at gcc dot gnu.org
@ 2021-03-12 10:56 ` vries at gcc dot gnu.org
0 siblings, 0 replies; 2+ messages in thread
From: vries at gcc dot gnu.org @ 2021-03-12 10:56 UTC (permalink / raw)
To: dwz
https://sourceware.org/bugzilla/show_bug.cgi?id=27544
Tom de Vries <vries at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Depends on| |27568
Referenced Bugs:
https://sourceware.org/bugzilla/show_bug.cgi?id=27568
[Bug 27568] Add initial .debug_info reading phase to dwz
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