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Cc: binutils@sources.redhat.com, gdb@sources.redhat.com
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Subject: Re: GDB using addr2line?
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From: Paul Gilliam <gilliam@us.ibm.com>
Date: Fri, 07 May 2004 22:40:00 -0000
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X-SW-Source: 2004-05/txt/msg00063.txt.bz2

And don't forget ltrace and the like...  they look a lot like a 
special-purpose debugger on the inside.

gdb-owner@sources.redhat.com wrote on 05/07/2004 03:04:44 PM:

> Andrew Cagney <cagney@gnu.org> writes:
> 
> > As anyone looked at (interested in) getting GDB and addr2line sharing
> > common linetable code?  A libsal (source and line) say.
> 
> BFD has long had bfd_find_nearest_line().  It was originally used by
> the linker to report error messages using the source code line--at the
> time, a great innovation.  Ulrich Lauther built addr2line as a wrapper
> around bfd_find_nearest_line().  If you look at addr2line.c, you will
> see that it is very simple.  gdb needs a much more serious approach to
> mapping between addresses and source code lines.
> 
> That said, it would be perfectly reasonable for gdb and addr2line to
> share code, just as it would be perfectly reasonable for gdb and
> objdump/objcopy --debugging to share code.  I don't think anybody has
> looked at either possibility.
> 
> Ian