ack/mach/vax4/libsysV_2/sbrk.s

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434 B
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.sect .text; .sect .rom; .sect .data; .sect .bss
.sect .text
break = 17
.define _sbrk
.define _brk
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_sbrk:
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.data2 0x0000
movl Ind,r0
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tstl 4(ap)
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jeql 3f
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addl3 r0,4(ap),-(sp)
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bcs 1f
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pushl $1
movl ap,r3
movl sp,ap
chmk $break
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bcc 2f
1:
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jmp cerror
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2:
movl Ind,r0
addl2 4(r3),Ind
3:
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ret
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.define _brk
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_brk:
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.data2 0x0000
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chmk $break
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bcc 1f
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jmp cerror
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1:
movl 4(ap),Ind
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clrl r0
ret
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.sect .data
Ind: .data4 _end