[Bug gdb/14992] New: gdb on object file produces: internal error - "Please report this bug"

[Bug gdb/14992] New: gdb on object file produces: internal error - "Please report this bug"

[ThomasDHowell at gmail dot com]

http://sourceware.org/bugzilla/show_bug.cgi?id=14992

             Bug #: 14992
           Summary: gdb on object file produces: internal error - "Please
                    report this bug"
           Product: gdb
           Version: 7.1
            Status: NEW
          Severity: minor
          Priority: P2
         Component: gdb
        AssignedTo: unassigned@sourceware.org
        ReportedBy: ThomasDHowell@gmail.com
    Classification: Unclassified


I just re-installed gcc and gdb under Windows 7 Professional SP1.
The downloads were these:
mingw-w64-bin_i686-mingw_20111220.zip
x86_64-w64-mingw32-gdb-7.1.90.20100730.zip

I teach a course in which students compile C programs and examine the machine
instructions they generate.  I was testing the capability to generate and
examine x86_64 code.  The test program is rtsb.c.  It reads a command line
argument as a decimal or hex integer prints the bytes representing the argument
and its address. 

gcc -m64 -g -c rtsb.c runs and generates rtsb.o

gcc -m64 -g rtsb.c runs and generates a working executable file.
objdump runs fine on either the object file or the executable.

gdb needs to run on the executable file, not the object file, but
I typed the following line in error (should have typed just  gdb rtsb).
gdb rtsb.o   
It creates the following output.

GNU gdb (GDB) 7.1.90.20100730-cvs
Copyright (C) 2010 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-w64-mingw32".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from C:\MinGW-w64\home\Tom\cs47prg/rtsb.o...BFD: BFD (GNU
Binutils) 2.20.51.20100707 internal error, aborting at
../../gdb-cvs/bfd/reloc.c line 5720 in
bfd_generic_get_relocated_section_contents

BFD: Please report this bug.


This is not an important problem for me.  It happens only when I make a typo,
but the error message asks for a bug report, so here it is.

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[Bug gdb/14992] gdb on object file produces: internal error - "Please report this bug"

[palves at redhat dot com]

http://sourceware.org/bugzilla/show_bug.cgi?id=14992

Pedro Alves <palves at redhat dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |WAITING
                 CC|                            |palves at redhat dot com

--- Comment #1 from Pedro Alves <palves at redhat dot com> 2013-01-03 12:06:54 UTC ---
Thanks.

>  GNU gdb (GDB) 7.1.90.20100730-cvs

This is very old by now though.  And, that build was based on a development
snapshot, not a release.  It's very likely this issue has been fixed meanwhile.
Could you try a more up to date GDB?

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