[Bug translator/12773] New: invoke abrt-action-debuginfo-install --id=XXXXX if missing debuginfo

[Bug translator/12773] New: invoke abrt-action-debuginfo-install --id=XXXXX if missing debuginfo

[fche at redhat dot com]

http://sourceware.org/bugzilla/show_bug.cgi?id=12773

           Summary: invoke abrt-action-debuginfo-install --id=XXXXX if
                    missing debuginfo
           Product: systemtap
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: translator
        AssignedTo: systemtap@sourceware.org
        ReportedBy: fche@redhat.com


On fedora rawhide, ABRT has been extended with an interface we
could use to fetch dwarf stuff on demand.  We could suggest or
even invoke this widget in the rpm-finder code.

https://bugzilla.redhat.com/show_bug.cgi?id=585039

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[Bug translator/12773] invoke abrt-action-debuginfo-install --id=XXXXX if missing debuginfo

[fche at redhat dot com]

http://sourceware.org/bugzilla/show_bug.cgi?id=12773

--- Comment #1 from Frank Ch. Eigler <fche at redhat dot com> 2011-05-30 20:38:25 UTC ---
mjw advises the following scheme may work.  In setupdwfl.cxx, replace
dwfl_standard_find_debuginfo with a new function of our own.  This
function would:
- call dwfl_module_build_id to find the build-id hex string of interest
- run dwfl_build_id_find_debuginfo to see if it's already installed
- check whether /usr/bin/abrt-action-debuginfo-install exists
- try to run it with   --id=XXXXX  
- if it fails, set a flag so we don't try again
- tail-call through to  return dwfl_standard_find_debuginfo();

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[Bug translator/12773] invoke abrt-action-debuginfo-install --id=XXXXX if missing debuginfo

[fche at redhat dot com]

http://sourceware.org/bugzilla/show_bug.cgi?id=12773

--- Comment #2 from Frank Ch. Eigler <fche at redhat dot com> 2011-07-04 21:21:05 UTC ---
With fedora15 abrt-2.0.3-1.fc15.x86_64, the following works:

% eu-readelf -x .note.gnu.build-id /usr/bin/zip # for example

Hex dump of section [3] '.note.gnu.build-id', 36 bytes at offset 0x23c:
  0x00000000 04000000 14000000 03000000 474e5500 ............GNU.
  0x00000010 b038a398 648e7c04 6fd298aa c20b70bb .8..d.|.o.....p.
  0x00000020 9d4a2f05                            .J/.

% echo b038a398648e7c046fd298aac20b70bb9d4a2f05 |
abrt-action-install-debuginfo-to-abrt-cache -y --ids=-
[...]

% ls
/var/cache/abrt-di/usr/lib/debug/.build-id/b0/38a398648e7c046fd298aac20b70bb9d4a2f05
[...]

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[Bug translator/12773] invoke abrt-action-debuginfo-install --id=XXXXX if missing debuginfo

[mjw at redhat dot com]

http://sourceware.org/bugzilla/show_bug.cgi?id=12773

Mark Wielaard <mjw at redhat dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |mjw at redhat dot com

--- Comment #3 from Mark Wielaard <mjw at redhat dot com> 2011-07-04 21:48:09 UTC ---
(In reply to comment #2)
> % eu-readelf -x .note.gnu.build-id /usr/bin/zip # for example

FYI.
eu-readelf -n or eu-unzip -n give a slightly easier way to read the build-id:

$ eu-readelf -n /usr/bin/zip

Note section [ 2] '.note.ABI-tag' of 32 bytes at offset 0x148:
  Owner          Data size  Type
  GNU                   16  VERSION
    OS: Linux, ABI: 2.6.32

Note section [ 3] '.note.gnu.build-id' of 36 bytes at offset 0x168:
  Owner          Data size  Type
  GNU                   20  GNU_BUILD_ID
    Build ID: d39236960645ea293a34c2af6761a74b821e231d

$ eu-unstrip -n -e /usr/bin/zip
0x8047000+0x80580 d39236960645ea293a34c2af6761a74b821e231d@0x8047178
/usr/bin/zip -

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[Bug translator/12773] invoke abrt-action-debuginfo-install --id=XXXXX if missing debuginfo

[cmeek at redhat dot com]

http://sourceware.org/bugzilla/show_bug.cgi?id=12773

cmeek@redhat.com <cmeek at redhat dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |ASSIGNED
                 CC|                            |cmeek at redhat dot com
         AssignedTo|systemtap at sourceware dot |cmeek at redhat dot com
                   |org                         |

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