1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License").  You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22/*
23 * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
24 * Use is subject to license terms.
25 */
26
27#ifndef _SYS_SDT_IMPL_H
28#define	_SYS_SDT_IMPL_H
29
30#pragma ident	"%Z%%M%	%I%	%E% SMI"
31
32#ifdef	__cplusplus
33extern "C" {
34#endif
35
36#include <sys/dtrace.h>
37
38#if defined(__i386) || defined(__amd64)
39typedef uint8_t sdt_instr_t;
40#else
41typedef uint32_t sdt_instr_t;
42#endif
43
44typedef struct sdt_provider {
45	char			*sdtp_name;	/* name of provider */
46	char			*sdtp_prefix;	/* prefix for probe names */
47	dtrace_pattr_t		*sdtp_attr;	/* stability attributes */
48	dtrace_provider_id_t	sdtp_id;	/* provider ID */
49} sdt_provider_t;
50
51extern sdt_provider_t sdt_providers[];		/* array of providers */
52
53typedef struct sdt_probe {
54	sdt_provider_t	*sdp_provider;		/* provider */
55	char		*sdp_name;		/* name of probe */
56	int		sdp_namelen;		/* length of allocated name */
57	dtrace_id_t	sdp_id;			/* probe ID */
58	struct modctl	*sdp_ctl;		/* modctl for module */
59	int		sdp_loadcnt;		/* load count for module */
60	int		sdp_primary;		/* non-zero if primary mod */
61	sdt_instr_t	*sdp_patchpoint;	/* patch point */
62	sdt_instr_t	sdp_patchval;		/* instruction to patch */
63	sdt_instr_t	sdp_savedval;		/* saved instruction value */
64	struct sdt_probe *sdp_next;		/* next probe */
65	struct sdt_probe *sdp_hashnext;		/* next on hash */
66} sdt_probe_t;
67
68typedef struct sdt_argdesc {
69	const char *sda_provider;		/* provider for arg */
70	const char *sda_name;			/* name of probe */
71	const int sda_ndx;			/* argument index */
72	const int sda_mapping;			/* mapping of argument */
73	const char *sda_native;			/* native type of argument */
74	const char *sda_xlate;			/* translated type of arg */
75} sdt_argdesc_t;
76
77extern void sdt_getargdesc(void *, dtrace_id_t, void *, dtrace_argdesc_t *);
78
79#ifdef	__cplusplus
80}
81#endif
82
83#endif	/* _SYS_SDT_IMPL_H */
84