ref: 12934f8fb43662ca8bc906caaad5f5e8ccbb6bc1 dir: /lib/c/arch/arm32/linux/_cerrno.s/
.file "_cerrno.s" .globl _cerrno _cerrno: cmp r0,#0 blt 1f bx lr 1: neg r0,r0 ldr r1,=errno str r0,[r1] mov r0,#-1 bx lr