ref: 323f749e2672a0001d6fa1f063c23733d970004d dir: /src/libc/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