ack/mach/pdp/libsys/_dup.s
1990-01-22 11:24:37 +00:00

21 lines
198 B
ArmAsm

#include "sys.h"
.define __dup
.define __dup2
.extern _errno
__dup2:
mov 2(sp),r0
bis $100,r0
br 1f
__dup:
mov 2(sp),r0
1:
mov 4(sp),r1
sys dup
bcc 1f
mov r0,_errno
mov $-1,r0
1:
rts pc