ref: 1a5e3a4dd663c092030315c8a240d0737473102b dir: /src/libc/arch/arm/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