raghavkmr
Junior Member level 2
Hi, i compiled the following code
using arm-gcc cross compiler and dumped its objdump file ,the executable is prefectly running on uclinux on cortex m3,can you tell me what each column represents in that file , a few lines are given below
Code:
#include<stdio.h>
main()
{
printf("helloworld");
}using arm-gcc cross compiler and dumped its objdump file ,the executable is prefectly running on uclinux on cortex m3,can you tell me what each column represents in that file , a few lines are given below
Code:
...
.
00000064 <main>:
64: 4801 ldr r0, [pc, #4] ; (6c <main+0x8>)
66: f000 b803 b.w 70 <printf>
6a: bf00 nop
6c: 00004540 .word 0x00004540
00000070 <printf>:
70: b40f push {r0, r1, r2, r3}
72: 4b06 ldr r3, [pc, #24] ; (8c <printf+0x1c>)
74: b507 push {r0, r1, r2, lr}
76: aa04 add r2, sp, #16
78: 6818 ldr r0, [r3, #0]
7a: f852 1b04 ldr.w r1, [r2], #4
7e: 9201 str r2, [sp, #4]
80: f000 f864 bl 14c <vfprintf>
84: e8bd 400e ldmia.w sp!, {r1, r2, r3, lr}
88: b004 add sp, #16
8a: 4770 bx lr
8c: 00004640 .word 0x00004640
00000090 <_stdio_init>:
90: 4b0c ldr r3, [pc, #48] ; (c4 <_stdio_init+0x34>)
92: 2000 movs r0, #0
.....
.