[apple/xnu.git] / EXTERNAL_HEADERS / architecture / ppc / cframe.h

/*
 * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 * 
 * The contents of this file constitute Original Code as defined in and
 * are subject to the Apple Public Source License Version 1.1 (the
 * "License").  You may not use this file except in compliance with the
 * License.  Please obtain a copy of the License at
 * http://www.apple.com/publicsource and read it before using this file.
 * 
 * This Original Code and all software distributed under the License are
 * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
 * License for the specific language governing rights and limitations
 * under the License.
 * 
 * @APPLE_LICENSE_HEADER_END@
 */
/* Copyright (c) 1991 NeXT Software, Inc.  All rights reserved.
 *
 *	File:	architecture/ppc/cframe.h
 *	Author:	Mike DeMoney, NeXT Software, Inc.
 *
 *	This include file defines C calling sequence defines
 *	for ppc port.
 */

#ifndef	_ARCH_PPC_CFRAME_H_
#define	_ARCH_PPC_CFRAME_H_

#if defined (__ppc64__)
#define	C_ARGSAVE_LEN	64	/* at least 64 bytes of arg save */
#define	C_STACK_ALIGN	32	/* stack must be 32 byte aligned */
#define	C_RED_ZONE	320	/* 320 bytes to skip over saved registers */
#else
#define	C_ARGSAVE_LEN	32	/* at least 32 bytes of arg save */
#define	C_STACK_ALIGN	16	/* stack must be 16 byte aligned */
#define	C_RED_ZONE	224	/* 224 bytes to skip over saved registers */
#endif

#endif	/* _ARCH_PPC_CFRAME_H_ */
Commit	Line	Data
1c79356b	1	/*
91447636	2	* Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
1c79356b A	3	*
	4	* @APPLE_LICENSE_HEADER_START@
	5	*
37839358 A	6	* The contents of this file constitute Original Code as defined in and
	7	* are subject to the Apple Public Source License Version 1.1 (the
	8	* "License"). You may not use this file except in compliance with the
	9	* License. Please obtain a copy of the License at
	10	* http://www.apple.com/publicsource and read it before using this file.
1c79356b	11	*
37839358 A	12	* This Original Code and all software distributed under the License are
37839358 A	13	* distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
1c79356b A	14	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
1c79356b A	15	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
37839358 A	16	* FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
	17	* License for the specific language governing rights and limitations
	18	* under the License.
1c79356b A	19	*
	20	* @APPLE_LICENSE_HEADER_END@
	21	*/
	22	/* Copyright (c) 1991 NeXT Software, Inc. All rights reserved.
	23	*
	24	* File: architecture/ppc/cframe.h
	25	* Author: Mike DeMoney, NeXT Software, Inc.
	26	*
	27	* This include file defines C calling sequence defines
	28	* for ppc port.
1c79356b A	29	*/
	30
	31	#ifndef _ARCH_PPC_CFRAME_H_
	32	#define _ARCH_PPC_CFRAME_H_
	33
91447636 A	34	#if defined (__ppc64__)
	35	#define C_ARGSAVE_LEN 64 /* at least 64 bytes of arg save */
	36	#define C_STACK_ALIGN 32 /* stack must be 32 byte aligned */
	37	#define C_RED_ZONE 320 /* 320 bytes to skip over saved registers */
	38	#else
1c79356b A	39	#define C_ARGSAVE_LEN 32 /* at least 32 bytes of arg save */
1c79356b A	40	#define C_STACK_ALIGN 16 /* stack must be 16 byte aligned */
91447636 A	41	#define C_RED_ZONE 224 /* 224 bytes to skip over saved registers */
91447636 A	42	#endif
1c79356b A	43
1c79356b A	44	#endif /* _ARCH_PPC_CFRAME_H_ */