[Bug default/29829] abidiff coredump at abg-dwarf-reader.cc when read libxul.so

["dodji at redhat dot com" <sourceware-bugzilla@sourceware.org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=29829

dodji at redhat dot com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |NOTABUG
             Status|UNCONFIRMED                 |RESOLVED

--- Comment #3 from dodji at redhat dot com ---
I looked into this with the latest commit on the master branch:

4bdaf30b dwarf-reader: Avoid duplicating member functions


Here is the correct way to use libabigail's abidiff on this.

Create a directory named firefox-91.13.0-1.el7.centos.x86_64.
cd into that directory.

Unpack the packages firefox-91.13.0-1.el7.centos.x86_64.rpm AND
firefox-debuginfo-91.13.0-1.el7.centos.x86_64.rpm into that directory.

Then, run abidiff against usr/lib64/firefox/libxul.so (not the .debug file).
You just have to tell abidiff where the debug info is using the --d{1,2}
option.  Where to find the debug info is the usr/lib/debug directory.

So, here is the command line.

[dodji@box firefox-91.13.0-1.el7.centos.x86_64]$ /usr/bin/time -v
build/tools/abidiff --d1 usr/lib/debug --d2 usr/lib/debug
usr/lib64/firefox/libxul.so usr/lib64/firefox/libxul.so

        Command being timed: "~/git/libabigail/master/build/tools/abidiff --d1
usr/lib/debug --d2 usr/lib/debug usr/lib64/firefox/libxul.so
usr/lib64/firefox/libxul.so"
        User time (seconds): 2717.90
        System time (seconds): 28.44
        Percent of CPU this job got: 99%
        Elapsed (wall clock) time (h:mm:ss or m:ss): 45:46.45
        Average shared text size (kbytes): 0
        Average unshared data size (kbytes): 0
        Average stack size (kbytes): 0
        Average total size (kbytes): 0
        Maximum resident set size (kbytes): 45826624
        Average resident set size (kbytes): 0
        Major (requiring I/O) page faults: 3
        Minor (reclaiming a frame) page faults: 22636614
        Voluntary context switches: 47
        Involuntary context switches: 3442
        Swaps: 0
        File system inputs: 12728
        File system outputs: 1280
        Socket messages sent: 0
        Socket messages received: 0
        Signals delivered: 0
        Page size (bytes): 65536
        Exit status: 0
[dodji@box firefox-91.13.0-1.el7.centos.x86_64]$

So, things appears to work correctly as far as I can tell.

Thanks for taking time to report this.

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