ack/mach/sparc_solaris/libsys/_brk.s

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ArmAsm
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1993-10-06 17:04:49 +00:00
#include "SYS.h"
LABEL__(brk)
mov %o7,%g2
ld [%l0], %o0
inc 7, %o0
andn %o0, 7, %o0
call brk
mov %o0, %o2
mov %g2,%o7
tst %o0
bge 0f
nop
retl
nop
0:
set limhp, %g1
st %o2, [%g1]
retl
nop
LABEL__(sbrk)
mov %o7,%g2
ld [%l0], %o0
inc 7, %o0
andn %o0, 7, %o0
set limhp, %o1
ld [%o1], %o2
inc 7, %o2
andn %o2, 7, %o3
add %o3, %o0, %o0
call brk
mov %o0, %o4
mov %g2,%o7
tst %o0
blt 0f
nop
set limhp, %g1
st %o4, [%g1]
mov %o3, %o0
0:
retl
nop