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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2007 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _SAVEARGS_H
#define _SAVEARGS_H
#ifdef __cplusplus
extern "C" {
#endif
#include <sys/types.h>
/*
* The longest instruction sequence in bytes before all 6 arguments are
* saved on the stack. This value depends on compiler implementation,
* therefore it should be examined periodically to guarantee accuracy.
*/
#define SAVEARGS_INSN_SEQ_LEN 256
#define SAVEARGS_NO_ARGS 0 /* no saved arguments */
#define SAVEARGS_TRAD_ARGS 1 /* traditionally located arguments */
#define SAVEARGS_STRUCT_ARGS 2 /* struct return addr pushed as arg0 */
int saveargs_has_args(uint8_t *, size_t, uint_t, int);
#ifdef __cplusplus
}
#endif
#endif /* _SAVEARGS_H */
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