49 lines
1.3 KiB
ArmAsm
49 lines
1.3 KiB
ArmAsm
/* $NetBSD: brk.S,v 1.9 2003/11/13 06:29:39 simonb Exp $ */
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/*
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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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#include "SYS.h"
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#if defined(LIBC_SCCS)
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RCSID("$NetBSD: brk.S,v 1.9 2003/11/13 06:29:39 simonb Exp $")
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#endif
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#ifdef WEAK_ALIAS
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WEAK_ALIAS(brk,_brk)
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#endif
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DATA_D(__minbrk, _C_LABEL(end))
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ENTRY(_brk)
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PIC_PROLOGUE
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cmpd PIC_S_ARG0,PIC_GOT(_C_LABEL(__minbrk))
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bge 0f
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movd PIC_GOT(_C_LABEL(__minbrk)),PIC_S_ARG0
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0: PIC_EPILOGUE
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SYSTRAP(break)
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bcs _ASM_LABEL(cerror)
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PIC_PROLOGUE
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movd PIC_S_ARG0,PIC_GOT(_ASM_LABEL(curbrk))
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movqd 0,r0
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PIC_EPILOGUE
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ret 0
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