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Date: Mon, 9 Jun 2014 22:44:36 -0400
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Subject: Re: abi::__cxa_demangle provides invalid result on non-mangled symbols
From: Ed Maste <emaste@freebsd.org>
To: Ryan Stone <rysto32@gmail.com>
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On 9 June 2014 21:48, Ryan Stone <rysto32@gmail.com> wrote:
> abi::__cxa_demangle is giving me an invalid result if I pass it a
> symbol that is not mangled.  This is causing me problems as in my
> application, I'm getting symbol names from libelf and have no way of
> know a priori whether a symbol is mangled or not.

I had the same issue in LLVM, and as hacky as it seems, the solution
is to check that the name starts with "_Z" before passing it to
__cxa_demangle.

For reference the LLVM review for the change is here:
http://reviews.llvm.org/D2552

I didn't get around to testing it on Linux; since you have a test
application ready it would be interesting to see the result of
__cxa_demangle("f") there.