xref: /onnv-gate/usr/src/uts/common/sys/sdt_impl.h (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
24*0Sstevel@tonic-gate  * Use is subject to license terms.
25*0Sstevel@tonic-gate  */
26*0Sstevel@tonic-gate 
27*0Sstevel@tonic-gate #ifndef _SYS_SDT_IMPL_H
28*0Sstevel@tonic-gate #define	_SYS_SDT_IMPL_H
29*0Sstevel@tonic-gate 
30*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
31*0Sstevel@tonic-gate 
32*0Sstevel@tonic-gate #ifdef	__cplusplus
33*0Sstevel@tonic-gate extern "C" {
34*0Sstevel@tonic-gate #endif
35*0Sstevel@tonic-gate 
36*0Sstevel@tonic-gate #include <sys/dtrace.h>
37*0Sstevel@tonic-gate 
38*0Sstevel@tonic-gate #if defined(__i386) || defined(__amd64)
39*0Sstevel@tonic-gate typedef uint8_t sdt_instr_t;
40*0Sstevel@tonic-gate #else
41*0Sstevel@tonic-gate typedef uint32_t sdt_instr_t;
42*0Sstevel@tonic-gate #endif
43*0Sstevel@tonic-gate 
44*0Sstevel@tonic-gate typedef struct sdt_provider {
45*0Sstevel@tonic-gate 	char			*sdtp_name;	/* name of provider */
46*0Sstevel@tonic-gate 	char			*sdtp_prefix;	/* prefix for probe names */
47*0Sstevel@tonic-gate 	dtrace_pattr_t		*sdtp_attr;	/* stability attributes */
48*0Sstevel@tonic-gate 	dtrace_provider_id_t	sdtp_id;	/* provider ID */
49*0Sstevel@tonic-gate } sdt_provider_t;
50*0Sstevel@tonic-gate 
51*0Sstevel@tonic-gate extern sdt_provider_t sdt_providers[];		/* array of providers */
52*0Sstevel@tonic-gate 
53*0Sstevel@tonic-gate typedef struct sdt_probe {
54*0Sstevel@tonic-gate 	sdt_provider_t	*sdp_provider;		/* provider */
55*0Sstevel@tonic-gate 	char		*sdp_name;		/* name of probe */
56*0Sstevel@tonic-gate 	int		sdp_namelen;		/* length of allocated name */
57*0Sstevel@tonic-gate 	dtrace_id_t	sdp_id;			/* probe ID */
58*0Sstevel@tonic-gate 	struct modctl	*sdp_ctl;		/* modctl for module */
59*0Sstevel@tonic-gate 	int		sdp_loadcnt;		/* load count for module */
60*0Sstevel@tonic-gate 	int		sdp_primary;		/* non-zero if primary mod */
61*0Sstevel@tonic-gate 	sdt_instr_t	*sdp_patchpoint;	/* patch point */
62*0Sstevel@tonic-gate 	sdt_instr_t	sdp_patchval;		/* instruction to patch */
63*0Sstevel@tonic-gate 	sdt_instr_t	sdp_savedval;		/* saved instruction value */
64*0Sstevel@tonic-gate 	struct sdt_probe *sdp_next;		/* next probe */
65*0Sstevel@tonic-gate 	struct sdt_probe *sdp_hashnext;		/* next on hash */
66*0Sstevel@tonic-gate } sdt_probe_t;
67*0Sstevel@tonic-gate 
68*0Sstevel@tonic-gate typedef struct sdt_argdesc {
69*0Sstevel@tonic-gate 	const char *sda_provider;		/* provider for arg */
70*0Sstevel@tonic-gate 	const char *sda_name;			/* name of probe */
71*0Sstevel@tonic-gate 	const int sda_ndx;			/* argument index */
72*0Sstevel@tonic-gate 	const int sda_mapping;			/* mapping of argument */
73*0Sstevel@tonic-gate 	const char *sda_native;			/* native type of argument */
74*0Sstevel@tonic-gate 	const char *sda_xlate;			/* translated type of arg */
75*0Sstevel@tonic-gate } sdt_argdesc_t;
76*0Sstevel@tonic-gate 
77*0Sstevel@tonic-gate extern void sdt_getargdesc(void *, dtrace_id_t, void *, dtrace_argdesc_t *);
78*0Sstevel@tonic-gate 
79*0Sstevel@tonic-gate #ifdef	__cplusplus
80*0Sstevel@tonic-gate }
81*0Sstevel@tonic-gate #endif
82*0Sstevel@tonic-gate 
83*0Sstevel@tonic-gate #endif	/* _SYS_SDT_IMPL_H */
84