ack/plat/pdpv7/libsys/pipe.s
David Given 4b5a7fee14 Made the cgg and the cg code generator work; use this to beat the PDP/11
backend into shape. It now generates binaries --- no idea whether they work or
not.
2018-02-23 22:31:46 +01:00

19 lines
195 B
ArmAsm

#include "sys.h"
.define _pipe
.extern _errno
_pipe:
sys pipe
bcc 1f
mov r0,_errno
mov $-1,r0
rts pc
1:
mov r5,-(sp)
mov 4(sp),r5
mov r0,(r5)+
mov r1,(r5)
mov (sp)+,r5
clr r0
rts pc