Re: [bug-binutils] Inconsistencies in symbol mapping output from 'ld'

[Alan Modra]

On Mon, Jan 10, 2011 at 11:26:42AM -0600, Brad Mouring wrote:
> Using a couple of different toolchains (the default x86 2.20.1 ld 
> installed in Ubuntu and clones, a pre-built third-party ARM cross compile 
> toolchain's 2.19.51) results in the same, inconsistent behavior regarding 
> outputting symbol mapping information.
> 
> Basically, when I pass -M to ld, it behaves as I'd expect with regards to 
> the --demangle and --no-demangle options.  However, when using the 
> -Map=FILENAME option, it seems to ignore --(no-)demangle, always 
> outputting mangled symbols into the file requested.
> 
> Is this expected behavior?  If so, is there a mechanism (short of 
> redirecting stdout to a file) to get mangled symbol information into a 
> file?

I can't see how this could happen, nor can I reproduce the problem
with 2.20.1 or current mainline.  Furthermore, my x86 system ld does
not exhibit this problem.

$ /usr/bin/ld --version
GNU ld (GNU Binutils for Ubuntu) 2.20.1-system.20100303
Copyright 2009 Free Software Foundation, Inc.
This program is free software; you may redistribute it under the terms of
the GNU General Public License version 3 or (at your option) a later version.
This program has absolutely no warranty.

Is the --no-demangle option really making it to ld?

-- 
Alan Modra
Australia Development Lab, IBM