(gdb) target remote :12345
Remote debugging using :12345
warning: Can not parse XML target description; XML support was disabled at compile time
0xb6f3fa40 in ?? ()
(gdb) disas 0x82f4,+20
Dump of assembler code from 0x82f4 to 0x8308:
   0x000082f4:	sub	sp, sp, #24
   0x000082f8:	str	r0, [r11, #-24]
   0x000082fc:	str	r1, [r11, #-28]
   0x00008300:	mov	r3, #1
   0x00008304:	str	r3, [r11, #-16]
End of assembler dump.
(gdb) set arm force-mode thumb 
(gdb) disas 0x82f4,+20
Dump of assembler code from 0x82f4 to 0x8308:
   0x000082f4:	beq.n	0x8328
   0x000082f6:	b.n	0x8794
   0x000082f8:	movs	r0, r3
   0x000082fa:	b.n	0x7d14
   0x000082fc:	asrs	r4, r3, #32
   0x000082fe:	b.n	0x7d18
   0x00008300:	adds	r0, #1
   0x00008302:	b.n	0x8a46
   0x00008304:	adds	r0, #16
   0x00008306:	b.n	0x7d20
End of assembler dump.
(gdb) info b
Num     Type           Disp Enb Address    What
1       breakpoint     keep y   0x000082f4 
(gdb) c
Continuing.
Cannot access memory at address 0x0
[Inferior 1 (Remote target) exited normally]

(gdb) b *0x82f4
Cannot access memory at address 0x0
Breakpoint 1 at 0x82f4
(gdb) info b
Num     Type           Disp Enb Address    What
1       breakpoint     keep y   0x000082f4 
(gdb) c
Continuing.

Program received signal SIGILL, Illegal instruction.
0x000082f8 in ?? ()