diff options
Diffstat (limited to 'usr/src/lib/libsaveargs/common/saveargs.h')
-rw-r--r-- | usr/src/lib/libsaveargs/common/saveargs.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/usr/src/lib/libsaveargs/common/saveargs.h b/usr/src/lib/libsaveargs/common/saveargs.h new file mode 100644 index 0000000000..c20707d615 --- /dev/null +++ b/usr/src/lib/libsaveargs/common/saveargs.h @@ -0,0 +1,52 @@ +/* + * 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 */ |