[Bug shlibs/12794] New: RFE: specifying debug information for shared libraries explicitly

[Bug shlibs/12794] New: RFE: specifying debug information for shared libraries explicitly

[bb.sourceware at magitech dot org]

http://sourceware.org/bugzilla/show_bug.cgi?id=12794

           Summary: RFE: specifying debug information for shared libraries
                    explicitly
           Product: gdb
           Version: unknown
            Status: NEW
          Severity: enhancement
          Priority: P2
         Component: shlibs
        AssignedTo: unassigned@sourceware.org
        ReportedBy: bb.sourceware@magitech.org


Currently, specifying debug information for shared libraries borders on arcane.
 It is necessary to use strace, luck, and what essentially amounts to a chroot
environment to get all of the debug information located in the correct places,
especially if the binary is intended to run on a differently laid out device.

As such, once a binary file is specified, or a breakpoint has been reached post
load, it would be extremely nice to be able to specify either a direct path to
a symbol containing file (or an appropriate .debug file), and load it
explicitly.

Additionally, being able to say "try to load the symbols for this .so", and
have it report back all the locations it's trying, and a hint for how to
specify additional locations, would be extremely valuable.

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[Bug shlibs/12794] RFE: specifying debug information for shared libraries explicitly

[gbenson at redhat dot com]

http://sourceware.org/bugzilla/show_bug.cgi?id=12794

Gary Benson <gbenson at redhat dot com> changed:

           What    |Removed                     |Added
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                 CC|                            |gbenson at redhat dot com

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[Bug shlibs/12794] RFE: specifying debug information for shared libraries explicitly

[tromey at redhat dot com]

http://sourceware.org/bugzilla/show_bug.cgi?id=12794

Tom Tromey <tromey at redhat dot com> changed:

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

--- Comment #1 from Tom Tromey <tromey at redhat dot com> 2013-03-15 15:25:03 UTC ---
See also PR 14479.

One thing that might be handy is a new flag to add-symbol-file
that tells gdb to take the various section offsets from some
already existing objfile.  Like:

add-symbol-file /debug/libwhatever.so.debug -offsets-from
/usr/lib/libwhatever.so

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