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/* $NetBSD: asm.h,v 1.29 2000/12/14 21:29:51 jeffs Exp $ */
/*
* SPDX-License-Identifier: BSD-3-Clause
*
* Copyright (c) 1992, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Ralph Campbell.
*
* 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.
*
* @(#)machAsmDefs.h 8.1 (Berkeley) 6/10/93
* JNPR: asm.h,v 1.10 2007/08/09 11:23:32 katta
* $FreeBSD$
*/
/*
* machAsmDefs.h --
*
* Macros used when writing assembler programs.
*
* Copyright (C) 1989 Digital Equipment Corporation.
* Permission to use, copy, modify, and distribute this software and
* its documentation for any purpose and without fee is hereby granted,
* provided that the above copyright notice appears in all copies.
* Digital Equipment Corporation makes no representations about the
* suitability of this software for any purpose. It is provided "as is"
* without express or implied warranty.
*
* from: Header: /sprite/src/kernel/mach/ds3100.md/RCS/machAsmDefs.h,
* v 1.2 89/08/15 18:28:24 rab Exp SPRITE (DECWRL)
*/
#ifndef _MACHINE_ABI_H_
#define _MACHINE_ABI_H_
#if defined(__mips_o32)
#define SZREG 4
#else
#define SZREG 8
#endif
#if defined(__mips_o32) || defined(__mips_o64)
#define STACK_ALIGN 8
#else
#define STACK_ALIGN 16
#endif
/*
* standard callframe {
* register_t cf_pad[N]; o32/64 (N=0), n32 (N=1) n64 (N=1)
* register_t cf_args[4]; arg0 - arg3 (only on o32 and o64)
* register_t cf_gp; global pointer (only on n32 and n64)
* register_t cf_sp; frame pointer
* register_t cf_ra; return address
* };
*/
#if defined(__mips_o32) || defined(__mips_o64)
#define CALLFRAME_SIZ (SZREG * (4 + 2))
#define CALLFRAME_S0 0
#elif defined(__mips_n32) || defined(__mips_n64)
#define CALLFRAME_SIZ (SZREG * 4)
#define CALLFRAME_S0 (CALLFRAME_SIZ - 4 * SZREG)
#endif
#ifndef _KERNEL
#define CALLFRAME_GP (CALLFRAME_SIZ - 3 * SZREG)
#endif
#define CALLFRAME_SP (CALLFRAME_SIZ - 2 * SZREG)
#define CALLFRAME_RA (CALLFRAME_SIZ - 1 * SZREG)
#endif /* !_MACHINE_ABI_H_ */