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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - Pulseaudio segfaults when ORC is used on x32"
href="https://bugs.freedesktop.org/show_bug.cgi?id=99066#c18">Comment # 18</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - Pulseaudio segfaults when ORC is used on x32"
href="https://bugs.freedesktop.org/show_bug.cgi?id=99066">bug 99066</a>
from <span class="vcard"><a class="email" href="mailto:tanuk@iki.fi" title="Tanu Kaskinen <tanuk@iki.fi>"> <span class="fn">Tanu Kaskinen</span></a>
</span></b>
<pre>It looks like I've deleted the x32 chroot directory, so I can't check what the
GCC version was in January. The distribution was Debian testing or Debian
unstable.
Getting a simple test program for reproducing would be good indeed. The asm
that I provided is for pulseaudio's get_cpuid() function, which should be
reasonably simple to isolate into a test program.
I got the asm code with gdb:
$ gdb pulseaudio
(gdb) break get_cpuid
Function "get_cpuid" not defined.
Make breakpoint pending on future shared library load? (y or [n]) y
Breakpoint 1 (get_cpuid) pending.
(gdb) run
Breakpoint 1, get_cpuid (op=0, a=0x7fffffffddcc, b=0x7fffffffddd8,
c=0x7fffffffddd4, d=0x7fffffffddd0) at pulsecore/cpu-x86.c:33
33 __asm__ __volatile__ (
(gdb) layout asm
That will open a listing of assembly code in the top half of the gdb terminal.
You can move up and down in the listing with arrow keys.</pre>
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