12 .comm _environ,4,434 .text5 .globl _start6_start:7 stwu 1,-16(1)8 la 31,16(1)9 lwz 3,0(31) /* argc */10 la 4,4(31) /* argv */11 lis 14,_environ@h12 ori 14,14,_environ@l13 la 5,0(14)14 mulli 31,3,4 /* p = argc*4 */15 add 31,4,31 /* q = argv + p */16 addi 31,31,4 /* r = q + 4 */17 lwz 31,0(31) /* r = *r */18 stw 31,0(5) /* envp = r */19 bl main20 b exit