ack/mach/vax4/libbsd4_1a/sbrk.s
1990-01-19 16:03:46 +00:00

35 lines
420 B
ArmAsm

.sect .text; .sect .rom; .sect .data; .sect .bss
.sect .text
break = 17
.define _sbrk
.define _brk
.align 1
_sbrk:
.data2 0x0000
addl3 Ibrk,4(ap),-(sp)
bcc 1f
movl $0xFFFFFFFF,(sp) ! will cause an error (I hope)
1:
movl Ibrk,r3
calls $1,_brk
tstl r0
blss 1f
movl r3,r0
1:
ret
.align 1
_brk:
.data2 0x0000
chmk $break
bcc 1f
jmp errmon
1:
movl 4(ap),Ibrk
clrl r0
ret
.sect .data
Ibrk: .data4 endbss