ack/mach/i386/libsys/signal.s
1989-10-10 11:40:55 +00:00

39 lines
406 B
ArmAsm

.sect .text; .sect .rom; .sect .data; .sect .bss
.define _signal
.sect .text
_signal:
call sig1
mov ax,48
mov dx,ctch
callf 0x7:0x0
jb 4f
ret
sig1:
mov ax,8(sp)
cmp ax,20
jae 1f
mov dx,table(ax*4)
mov (prev),dx
mov dx,12(sp)
mov table(ax*4),dx
ret
1:
pop ax
mov ax,0x16
4:
mov (_errno),ax
mov ax,-1
cdq
ret
ctch:
add sp,4
callf 0xf:0x0
.sect .bss
table:
.space 40
prev:
.space 4