> On Tue, May 05, 2009 at 02:17:49PM -0400, John David Anglin wrote:
> > > (gdb)
> > > #0 0x0002b3ec in __canonicalize_funcptr_for_compare ()
> > > #1 0x00026010 in sys_rt_sigaction (tcp=0x4e060) at ../signal.c:1886
> > > #2 0x00017b10 in trace_syscall (tcp=0x4e060) at ../syscall.c:2553
> > > #3 0x00016c98 in main (argc=<value optimized out>, argv=0xbff8202c)
> > > at ../strace.c:2475
> > >
> > > which is:
> > >
> > > if (sa.__sigaction_handler.__sa_handler == SIG_ERR)
> > > tprintf("{SIG_ERR, ");
> >
> > Is __canonicalize_funcptr_for_compare choking on SIG_ERR? This is
> > a special value (-1). The plabel bit is set.
> >
>
> Ahh, brilliant. Casting to long fixed it.
Probably, the cast should be to int. __canonicalize_funcptr_for_compare
isn't used in the 64-bit runtime.
Still, I'm not sure why this fixed the problem as
__canonicalize_funcptr_for_compare checks for -1.
Dave
--
J. David Anglin dave.anglin@xxxxxxxxxxxxxx
National Research Council of Canada (613) 990-0752 (FAX: 952-6602)
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