4b5a7fee14
backend into shape. It now generates binaries --- no idea whether they work or not.
21 lines
194 B
ArmAsm
21 lines
194 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
|