> From: timo.lindf...@iki.fi
> To: stix...@hotmail.com
> CC: community@lists.openmoko.org; timo.lindf...@iki.fi
> Subject: Re: [2008.12] Anyone get iptables working?
> Date: Thu, 8 Jan 2009 23:23:00 +0200
>
> Nick Van Fossen <stix...@hotmail.com> writes:
> > Program received signal SIGILL, Illegal instruction.
> > 0x00009834 in ?? ()
> > (gdb) backtrace
> > #0 0x00009834 in ?? ()
> > Cannot access memory at address 0x2
> > (gdb) x/5i $pc
> > 0x9834 <__strtoull_internal+1088>: teqeq pc, r5, asr r6
>
> Very odd. teq should be perfectly legal instructions that is available
> on all architecture versions and does not involve exceptions.
>
> > 0x9838 <__strtoull_internal+1092>: cfstrsne mvf4, [r0], #-316
>
> What is this? Google finds this in a list about "Cirrus Maverick
> co-processor support for GCC".
>
> "the following are patches for gas, ld, opcodes, and bfd-- for the
> Cirrus DSP arm copprocessor (arm9e)."
>
> "/* Cirrus DSP instructions. */"
>
> "+ {"cfstrs", 0x0c000400, NULL, NULL, ARM_EXT_MAVERIK,
> do_c_ldst_1},"
>
> -- http://sources.redhat.com/ml/binutils/2001-10/msg00134.html
>
> Where did you get these? :-) Please run
>
> 1) gdb --args iptables -v -A POSTROUTING -t nat -j MASQUERADE -s
> 192.168.0.0/24
> 2) run
> 3) shell cat /proc/`pidof iptables`/maps
>
> so that we see what library comes with this __strtoull_internal
> implementation.
Like I said, I got iptables and iptables-utils from angstrom by adding the
angstrom repo using instructions at
http://wiki.openmoko.org/wiki/Repositories by creating the
/etc/opkg/angstrom-feed.conf file per the 2008.8 instructions
near the top. Then I used commands "opkg update" followed by "opkg install
iptables iptables-utils". This also
updated the libgcc1 package, since iptables required a newer version than the
openmoko repo contained. (this includes the libgcc_s.so.1 file mentioned below)
-Nick
r...@om-gta02:/etc/opkg# gdb --args iptables -v -A POSTROUTING -t nat -j
MASQUERADE -s 192.168.0.0/24
GNU gdb 6.8
Copyright (C) 2008 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show copying"
and "show warranty" for details.
This GDB was configured as "arm-angstrom-linux-gnueabi"...
(no debugging symbols found)
(gdb) run
Starting program: /usr/sbin/iptables -v -A POSTROUTING -t nat -j MASQUERADE -s
192.168.0.0/24
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
Program received signal SIGILL, Illegal instruction.
0x00009834 in ?? ()
(gdb) shell cat /proc/`pidof iptables`/maps
00008000-00021000 r-xp 00000000 1f:06 14560 /usr/sbin/iptables
00028000-0002b000 rw-p 00018000 1f:06 14560 /usr/sbin/iptables
0002b000-0004c000 rwxp 0002b000 00:00 0 [heap]
40000000-4001c000 r-xp 00000000 1f:06 582 /lib/ld-2.6.1.so
40020000-40022000 rw-p 40020000 00:00 0
40023000-40025000 rw-p 0001b000 1f:06 582 /lib/ld-2.6.1.so
40025000-4002f000 r-xp 00000000 1f:06 14557 /lib/libgcc_s.so.1
4002f000-40036000 ---p 0000a000 1f:06 14557 /lib/libgcc_s.so.1
40036000-40037000 rw-p 00009000 1f:06 14557 /lib/libgcc_s.so.1
40037000-40148000 r-xp 00000000 1f:06 588 /lib/libc-2.6.1.so
40148000-40150000 ---p 00111000 1f:06 588 /lib/libc-2.6.1.so
40150000-40151000 r--p 00111000 1f:06 588 /lib/libc-2.6.1.so
40151000-40153000 rw-p 00112000 1f:06 588 /lib/libc-2.6.1.so
40153000-40156000 rw-p 40153000 00:00 0
be850000-be865000 rwxp befeb000 00:00 0 [stack]
(gdb)
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