Objdump

Get ARM Instruction By Objdump On x86

target :

• 0xDEFF 0xF8DF

• 0xDEFF 0xF107

• 0xDEFF 0x461F

• 0xDEFF 0x4607

$ pacman -S arm-none-eabi-gcc       # for arm-none-eabi-gcc
$ pacman -S arm-none-eabi-binutils  # for arm-none-eabi-objdump

.thumb
.globl _start
_start:
reset:
_instruction1: .word 0xDEFFF8DF     # ARM 的 .word 可以塞各種東西
_instruction2: .word 0xDEFFF107
_instruction3: .word 0xDEFF461F
_instruction4: .word 0xDEFF4607

$ arm-none-eabi-gcc -c tmp.S
$ arm-none-eabi-gcc -nostdlib tmp.o -o tmp
$ arm-none-eabi-objdump -d tmp.o

tmp.o:     file format elf32-littlearm


Disassembly of section .text:

00000000 <_start>:
   0:   defff8df        mrcle   8, 7, APSR_nzcv, cr15, cr15, {6}

00000004 <_instruction2>:
   4:   defff107        nrmlee  f7, f7

00000008 <_instruction3>:
   8:   deff461f        mrcle   6, 7, r4, cr15, cr15, {0}

0000000c <_instruction4>:
   c:   deff4607        cdple   6, 15, cr4, cr15, cr7, {0}