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/*
* Copyright (c) 1992 Helsinki University of Technology
* All Rights Reserved.
*
* Permission to use, copy, modify and distribute this software and its
* documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* HELSINKI UNIVERSITY OF TECHNOLOGY ALLOWS FREE USE OF THIS SOFTWARE IN
* ITS "AS IS" CONDITION. HELSINKI UNIVERSITY OF TECHNOLOGY DISCLAIMS ANY
* LIABILITY OF ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE
* USE OF THIS SOFTWARE.
*/
#include "SYS.h"
#if defined(SYSLIBC_SCCS)
.text
.asciz "$OpenBSD: brk.S,v 1.2 1996/08/19 08:17:05 tholo Exp $"
#endif /* SYSLIBC_SCCS */
.globl _curbrk
.globl minbrk
ENTRY(_brk)
br ok2
ENTRY(brk)
PIC_PROLOGUE
cmpd PIC_S_ARG0, PIC_GOT(minbrk)
bge ok1
movd PIC_GOT(minbrk), PIC_S_ARG0
ok1:
PIC_EPILOGUE
ok2:
movd SYS_break, r0
SVC
bcs cerror
PIC_PROLOGUE
movd PIC_S_ARG0, PIC_GOT(_curbrk)
movqd 0, r0
PIC_EPILOGUE
ret 0
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