44 lines
1.1 KiB
ArmAsm
44 lines
1.1 KiB
ArmAsm
/*
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* Copyright (c) 1992 Helsinki University of Technology
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* All Rights Reserved.
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*
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* Permission to use, copy, modify and distribute this software and its
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* documentation is hereby granted, provided that both the copyright
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* notice and this permission notice appear in all copies of the
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* software, derivative works or modified versions, and any portions
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* thereof, and that both notices appear in supporting documentation.
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*
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* HELSINKI UNIVERSITY OF TECHNOLOGY ALLOWS FREE USE OF THIS SOFTWARE IN
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* ITS "AS IS" CONDITION. HELSINKI UNIVERSITY OF TECHNOLOGY DISCLAIMS ANY
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* LIABILITY OF ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE
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* USE OF THIS SOFTWARE.
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*/
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/*
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* HISTORY
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* 11-May-92 Johannes Helander (jvh) at Helsinki University of Technology
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* Created.
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*
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* $Id: brk.s,v 1.1 1993/10/07 00:20:51 cgd Exp $
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*/
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#include <sys/syscall.h>
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#include "SYS.h"
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.globl _curbrk
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.globl _minbrk
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ENTRY(_brk)
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br ok
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ENTRY(brk)
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cmpd S_ARG0, _minbrk(pc)
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bge ok
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movd _minbrk(pc), S_ARG0
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ok:
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movd SYS_break,r0
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SVC
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bcs cerror
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movd S_ARG0, _curbrk(pc)
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movqd 0, r0
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ret 0
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