ack/mach/pdp/libsys/dup.s
1987-01-07 17:13:41 +00:00

21 lines
191 B
ArmAsm

#include "sys.h"
.globl _dup
.globl _dup2
.globl _errno
_dup2:
mov 2(sp),r0
bis $100,r0
br 1f
_dup:
mov 2(sp),r0
1:
mov 4(sp),r1
sys dup
bec 1f
mov r0,_errno
mov $-1,r0
1:
rts pc