initcode.o: file format elf32-littlearm Disassembly of section .text: 00000000 : # exec(init, argv) .globl start start: push {lr} 0: e92d4000 push {lr} ldr r0, =argv 4: e59f003c ldr r0, [pc, #60] ; 48 push {r0} 8: e92d0001 push {r0} ldr r0, =init c: e59f0038 ldr r0, [pc, #56] ; 4c push {r0} 10: e92d0001 push {r0} mov r0, #SYS_exec 14: e3a00007 mov r0, #7 swi #T_SYSCALL 18: ef000040 svc 0x00000040 pop {lr} 1c: e8bd4000 pop {lr} pop {lr} 20: e8bd4000 pop {lr} pop {lr} 24: e8bd4000 pop {lr} bx lr 28: e12fff1e bx lr 0000002c : # for(;;) exit(); exit: mov r11, #SYS_exit 2c: e3a0b002 mov fp, #2 swi #T_SYSCALL 30: ef000040 svc 0x00000040 bl exit 34: ebfffffc bl 2c 00000038 : 38: 696e692f .word 0x696e692f 3c: 0074 .short 0x0074 ... 00000040 : 40: 00000038 andeq r0, r0, r8, lsr r0 44: 00000000 andeq r0, r0, r0 # exec(init, argv) .globl start start: push {lr} ldr r0, =argv 48: 00000040 andeq r0, r0, r0, asr #32 push {r0} ldr r0, =init 4c: 00000038 andeq r0, r0, r8, lsr r0