ack/mach/pmds4/libsys/signal.s

58 lines
707 B
ArmAsm
Raw Permalink Normal View History

1985-02-07 22:59:50 +00:00
.define _signal
1987-01-26 21:22:23 +00:00
.sect .text
.sect .rom
.sect .data
.sect .bss
.sect .text
1985-02-07 22:59:50 +00:00
.extern _signal
NSIG=32
_signal:
move.l 4(sp), d0
1985-02-07 22:59:50 +00:00
cmp.l #NSIG,d0
bcc 1f
move.l 8(sp),d1
1985-02-07 22:59:50 +00:00
move.l d0,a0
add.l a0,a0
add.l a0,a0
add.l #dvect,a0
move.l (a0),a1
move.l d1,(a0)
beq 2f
btst #0,d1
bne 2f
move.l #enter,d1
2:
move.l d1,-(sp)
move.l d0,-(sp)
clr.l -(sp)
trap #0
1987-01-26 21:22:23 +00:00
.data2 48
1985-02-07 22:59:50 +00:00
add.l #12,sp
bcs 3f
btst #0,d0
bne 4f
move.l a1,d0
4:
clr.l d1
1985-02-07 22:59:50 +00:00
rts
1:
move.l #22,d0
3:
jmp cerror
enter:
movem.l d0/d1/a0/a1,-(sp)
move.l 16(sp),a0
move.l a0,-(sp)
add.l a0,a0
add.l a0,a0
add.l #dvect,a0
move.l (a0),a0
jsr (a0)
add.l #4,sp
movem.l (sp)+,d0/d1/a0/a1
add.l #4,sp
rtr
1987-01-26 21:22:23 +00:00
.sect .bss
1985-02-07 22:59:50 +00:00
dvect: .space 4*NSIG