https://bugs.kde.org/show_bug.cgi?id=452758
Bug ID: 452758
Summary: Valgrind does not read properly DWARF5 as generated by
Clang14
Product: valgrind
Version: 3.19 GIT
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: jsew...@acm.org
Reporter: l.lu...@kde.org
Target Milestone: ---
Trying to use Valgrind with a binary compiled by Clang14 with DWARF5 enabled
results in Valgrind complaing about possibly corrupted debuginfo and aborting.
Attached are 3 patches that improve the situation. I'm not very familiar with
Valgrind internals or DWARF, but with these patches Valgrind is now able to run
Clang14-compiled programs without complaining and generally seems to work. The
one thing I've noticed that still does not work is backtraces with split-dwarf,
they report the binary name instead of source file location, I don't know if
the 3rd patch is incorrect in the assumption that rnglistx/loclistx may be
ignored, or if it's something else missing.
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