20 lines
191 B
ArmAsm
20 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
|