+ uname -a
Darwin James-MacBook.local 10.8.0 Darwin Kernel Version 10.8.0: Tue Jun  7 16:32:41 PDT 2011; root:xnu-1504.15.3~1/RELEASE_X86_64 x86_64
+ arm-none-eabi-gcc --version
arm-none-eabi-gcc (GCC) 4.7.2
Copyright (C) 2012 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.

+ arm-none-eabi-gcc -c test.c
+ arm-none-eabi-objdump -D test.o

test.o:     file format elf32-littlearm


Disassembly of section .data:

00000000 <nonzeroB>:
   0:	00001234 	andeq	r1, r0, r4, lsr r2

00000004 <nonzeroD>:
   4:	00005678 	andeq	r5, r0, r8, ror r6

Disassembly of section .bss:

00000000 <zeroA>:
   0:	00000000 	andeq	r0, r0, r0

00000004 <zeroC>:
   4:	00000000 	andeq	r0, r0, r0

Disassembly of section .comment:

00000000 <.comment>:
   0:	43434700 	movtmi	r4, #14080	; 0x3700
   4:	4728203a 			; <UNDEFINED> instruction: 0x4728203a
   8:	2029554e 	eorcs	r5, r9, lr, asr #10
   c:	2e372e34 	mrccs	14, 1, r2, cr7, cr4, {1}
  10:	Address 0x0000000000000010 is out of bounds.


Disassembly of section .ARM.attributes:

00000000 <.ARM.attributes>:
   0:	00002f41 	andeq	r2, r0, r1, asr #30
   4:	61656100 	cmnvs	r5, r0, lsl #2
   8:	01006962 	tsteq	r0, r2, ror #18
   c:	00000025 	andeq	r0, r0, r5, lsr #32
  10:	4d524105 	ldfmie	f4, [r2, #-20]	; 0xffffffec
  14:	4d445437 	cfstrdmi	mvd5, [r4, #-220]	; 0xffffff24
  18:	02060049 	andeq	r0, r6, #73	; 0x49
  1c:	01090108 	tsteq	r9, r8, lsl #2
  20:	01140412 	tsteq	r4, r2, lsl r4
  24:	03170115 	tsteq	r7, #1073741829	; 0x40000005
  28:	01190118 	tsteq	r9, r8, lsl r1
  2c:	061e011a 			; <UNDEFINED> instruction: 0x061e011a