ack/mach/sun3/libsys/sbrk.s

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#include "syscall.h"
.sect .text; .sect .rom; .sect .data; .sect .bss; .sect .text
.define _sbrk,_brk
_sbrk:
move.l (4,sp),d0
add.l #3,d0
move.l #~3,d1
and.l d1,d0
move.l d0,a0
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move.l (.limhp),d0
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add.l #3,d0
and.l d1,d0
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move.l d0,(.limhp)
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add.l d0,a0
move.l a0,(4,sp)
pea (17) ! not SYS_sbrk
trap #0
bcs 1f
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move.l (.limhp),d0
move.l (4,sp),(.limhp)
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rts
1:
jmp (cerror)
_brk:
move.l (4,sp),d0
add.l #3,d0
move.l #~3,d1
and.l d1,d0
move.l d0,(4,sp)
pea (17)
trap #0
bcs 1f
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move.l (4,sp),(.limhp)
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clr.l d0
rts
1:
jmp (cerror)