bt
#0  0x04030200 in ?? ()
#1  <signal handler called>
#2  0x00000000 in ?? ()
#3  0x00000000 in ?? ()

info reg
r0             0x0	0
r1             0x0	0
r2             0x0	0
r3             0x0	0
r4             0x0	0
r5             0x0	0
r6             0x0	0
r7             0x0	0
r8             0x0	0
r9             0x0	0
r10            0x0	0
r11            0x0	0
r12            0x0	0
sp             0xa0379e0	0xa0379e0
lr             0xfffffff9	4294967289
pc             0x4030200	0x4030200
xpsr           0x41000003	1090519043

x/16xw $sp
0xa0379e0:	0x00000000	0x00000000	0x00000000	0x00000000
0xa0379f0:	0x00000000	0x00000000	0x00000000	0x00000000
0xa037a00:	0x00000000	0x00000000	0x00000000	0x00000000
0xa037a10:	0x00000000	0x00000000	0x00000000	0x00000000