ack/mach/vax4/libbsd4_1a/_sbrk.s
1990-01-22 14:14:38 +00:00

32 lines
398 B
ArmAsm

.sect .text; .sect .rom; .sect .data; .sect .bss
.sect .text
break = 17
.define __sbrk
.define __brk
.align 1
__sbrk:
.data2 0x0000
addl3 .limhp,4(ap),-(sp)
bcc 1f
movl $0xFFFFFFFF,(sp) ! will cause an error (I hope)
1:
movl .limhp,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),.limhp
clrl r0
ret