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/* $OpenBSD: saveregs.S,v 1.2 2003/06/02 20:18:32 millert Exp $ */
/* $NetBSD: saveregs.S,v 1.2 2000/07/21 03:14:15 eeh Exp $ */
/*
* Copyright (c) 1992, 1993
* The Regents of the University of California. All rights reserved.
*
* This software was developed by the Computer Systems Engineering group
* at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
* contributed to Berkeley.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* from: Header: saveregs.s,v 1.1 91/07/06 17:22:33 torek Exp
*/
#include <machine/asm.h>
/*
* Save register arguments in caller's `arg dump' area, so that
* stdarg functions work.
*
* This really should be done with a pointer to the arg dump area;
* our caller should allocate that area, not our caller's caller.
* But then, they did not let me invent the calling sequence....
*
* We assume the caller has executed a `save' instruction.
*/
#define REGOFF (BIAS - CC64FSZ)
ENTRY(__builtin_saveregs)
stx %i0, [%fp + REGOFF + 0x00] ! fr->fr_argd[0]
stx %i1, [%fp + REGOFF + 0x08] ! fr->fr_argd[1]
stx %i2, [%fp + REGOFF + 0x10] ! fr->fr_argd[2]
stx %i3, [%fp + REGOFF + 0x18] ! fr->fr_argd[3]
stx %i4, [%fp + REGOFF + 0x20] ! fr->fr_argd[4]
retl
stx %i5, [%fp + REGOFF + 0x28] ! fr->fr_argd[5]
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