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Message-ID: <20150827191430.GW32742@brightrain.aerifal.cx>
Date: Thu, 27 Aug 2015 15:14:30 -0400
From: Rich Felker <dalias@...c.org>
To: musl@...ts.openwall.com
Subject: Re: _Unwind_Backtrace crashes
On Thu, Aug 27, 2015 at 11:55:24AM -0700, Andy Lutomirski wrote:
> This works on glibc. It aborts on musl on i386 using the latest git version.
>
> I suspect it's because whatever calls main isn't properly annotated,
> but I don't know how to debug this without rebuilding gcc, which is
> kind of a mess.
I can't reproduce the crash. The program runs and produces the output:
Unwind directly
Unwind from signal handler
In signal handler. Trying to unwind.
OK
I tried pre-CFI-patch and post-CFI-patch musl git, static and dynamic
linking. Perhaps it's GCC version-specific? I'm using 4.7.3 on my i386
system.
Rich
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