1*702941cdSRichard Lowe /* 2*702941cdSRichard Lowe * CDDL HEADER START 3*702941cdSRichard Lowe * 4*702941cdSRichard Lowe * The contents of this file are subject to the terms of the 5*702941cdSRichard Lowe * Common Development and Distribution License (the "License"). 6*702941cdSRichard Lowe * You may not use this file except in compliance with the License. 7*702941cdSRichard Lowe * 8*702941cdSRichard Lowe * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9*702941cdSRichard Lowe * or http://www.opensolaris.org/os/licensing. 10*702941cdSRichard Lowe * See the License for the specific language governing permissions 11*702941cdSRichard Lowe * and limitations under the License. 12*702941cdSRichard Lowe * 13*702941cdSRichard Lowe * When distributing Covered Code, include this CDDL HEADER in each 14*702941cdSRichard Lowe * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15*702941cdSRichard Lowe * If applicable, add the following below this CDDL HEADER, with the 16*702941cdSRichard Lowe * fields enclosed by brackets "[]" replaced with your own identifying 17*702941cdSRichard Lowe * information: Portions Copyright [yyyy] [name of copyright owner] 18*702941cdSRichard Lowe * 19*702941cdSRichard Lowe * CDDL HEADER END 20*702941cdSRichard Lowe */ 21*702941cdSRichard Lowe /* 22*702941cdSRichard Lowe * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 23*702941cdSRichard Lowe * Use is subject to license terms. 24*702941cdSRichard Lowe */ 25*702941cdSRichard Lowe 26*702941cdSRichard Lowe #ifndef _SAVEARGS_H 27*702941cdSRichard Lowe #define _SAVEARGS_H 28*702941cdSRichard Lowe 29*702941cdSRichard Lowe #ifdef __cplusplus 30*702941cdSRichard Lowe extern "C" { 31*702941cdSRichard Lowe #endif 32*702941cdSRichard Lowe 33*702941cdSRichard Lowe #include <sys/types.h> 34*702941cdSRichard Lowe 35*702941cdSRichard Lowe /* 36*702941cdSRichard Lowe * The longest instruction sequence in bytes before all 6 arguments are 37*702941cdSRichard Lowe * saved on the stack. This value depends on compiler implementation, 38*702941cdSRichard Lowe * therefore it should be examined periodically to guarantee accuracy. 39*702941cdSRichard Lowe */ 40*702941cdSRichard Lowe #define SAVEARGS_INSN_SEQ_LEN 256 41*702941cdSRichard Lowe 42*702941cdSRichard Lowe #define SAVEARGS_NO_ARGS 0 /* no saved arguments */ 43*702941cdSRichard Lowe #define SAVEARGS_TRAD_ARGS 1 /* traditionally located arguments */ 44*702941cdSRichard Lowe #define SAVEARGS_STRUCT_ARGS 2 /* struct return addr pushed as arg0 */ 45*702941cdSRichard Lowe 46*702941cdSRichard Lowe int saveargs_has_args(uint8_t *, size_t, uint_t, int); 47*702941cdSRichard Lowe 48*702941cdSRichard Lowe #ifdef __cplusplus 49*702941cdSRichard Lowe } 50*702941cdSRichard Lowe #endif 51*702941cdSRichard Lowe 52*702941cdSRichard Lowe #endif /* _SAVEARGS_H */ 53