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Re: [PATCH, alpha]: Introduce alpha_frob_update_context
On Mon, Dec 19, 2011 at 11:21 PM, Richard Henderson <rth@redhat.com> wrote:
> On 12/19/2011 02:14 PM, Uros Bizjak wrote:
>> (gdb) bt
>> #0 ?_Unwind_RaiseException (exc=0xf840453300) at
>> ../../../gcc-svn/trunk/libgcc/unwind.inc:135
>> #1 ?0x0000020000559a8c in __go_unwind_stack () at
>> ../../../gcc-svn/trunk/libgo/runtime/go-unwind.c:175
>> #2 ?0x0000020000556d44 in __go_panic (arg=...) at
>> ../../../gcc-svn/trunk/libgo/runtime/go-panic.c:85
>> #3 ?0x0000020000564be8 in runtime_panicstring (s=0x200007fb737
>> "invalid memory address or nil pointer dereference")
>> ? ? at ../../../gcc-svn/trunk/libgo/runtime/runtime.c:83
>> #4 ?0x000002000055875c in sighandler (sig=<optimized out>) at
>> ../../../gcc-svn/trunk/libgo/runtime/go-signal.c:183
>> #5 ?0x0000020002c82620 in ?? () from /lib/libc.so.6.1
>
> Note that this is in libc, not a DSO (which the linux alpha kernel never creates).
Indeed...
> And how old is your glibc that it doesn't have "S" set in the frame?
It is 2.13:
GNU C Library stable release version 2.13, by Roland McGrath et al.
Copyright (C) 2011 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.
There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A
PARTICULAR PURPOSE.
Compiled by GNU CC version 4.4.5.
Compiled on a Linux 2.6.39 system on 2011-10-04.
Available extensions:
C stubs add-on version 2.1.2
crypt add-on version 2.1 by Michael Glad and others
Gentoo patchset 8
GNU Libidn by Simon Josefsson
Native POSIX Threads Library by Ulrich Drepper et al
Support for some architectures added on, not maintained in glibc core.
BIND-8.2.3-T5B
software FPU emulation by Richard Henderson, Jakub Jelinek and others
libc ABIs: UNIQUE
For bug reporting instructions, please see:
<http://www.gnu.org/software/libc/bugs.html>.
> Otherwise I suppose the patch is ok with an update to the comment.
I guess that something like this would fit:
/* Fix up for signal handlers that don't have S flag set. */
Thanks,
Uros.