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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 _SDT_IMPL_H
28#define _SDT_IMPL_H
29
30/*
31 * This file has been created by splitting up the original DTrace sdt.h
32 * header. Keep the pragma notice here to allow version tracking.
33 */
34
35/* #pragma ident "@(#)sdt.h 1.7 05/06/08 SMI" */
36
37#ifdef __cplusplus
38extern "C" {
39#endif
40
41extern const char *sdt_prefix;
42
43typedef struct sdt_probedesc {
44 char *sdpd_name; /* name of this probe */
45#if defined(__APPLE__)
46 char *sdpd_func;
47#endif /* __APPLE__ */
48 unsigned long sdpd_offset; /* offset of call in text */
49 struct sdt_probedesc *sdpd_next; /* next static probe */
50} sdt_probedesc_t;
51
52#ifdef __cplusplus
53}
54#endif
55
56/* #pragma ident "@(#)sdt_impl.h 1.3 05/06/08 SMI" */
57
58#ifdef __cplusplus
59extern "C" {
60#endif
61
62#include <sys/dtrace.h>
63
64#if !defined(__APPLE__)
65#if defined(__i386) || defined(__amd64)
66typedef uint8_t sdt_instr_t;
67#else
68typedef uint32_t sdt_instr_t;
69#endif
70#else
71struct module {
72 int sdt_nprobes;
73 sdt_probedesc_t *sdt_probes;
74};
75
76extern int sdt_invop(uintptr_t, uintptr_t *, uintptr_t);
77
78void sdt_provide_module(void *, struct modctl *);
79void sdt_init(void);
80
81extern int sdt_probetab_size;
82extern int sdt_probetab_mask;
83#define SDT_ADDR2NDX(addr) ((((uintptr_t)(addr)) >> 4) & sdt_probetab_mask)
84
85
86#if defined(__i386__) || defined(__x86_64__)
87typedef uint8_t sdt_instr_t;
88#elif defined(__ppc__) || defined(__ppc64__)
89typedef uint32_t sdt_instr_t;
90#else
91#error Unknown implementation
92#endif
93#endif /* __APPLE__ */
94
95typedef struct sdt_provider {
96 const char *sdtp_name; /* name of provider */
97 const char *sdtp_prefix; /* prefix for probe names */
98 dtrace_pattr_t *sdtp_attr; /* stability attributes */
99 dtrace_provider_id_t sdtp_id; /* provider ID */
100} sdt_provider_t;
101
102extern sdt_provider_t sdt_providers[]; /* array of providers */
103
104typedef struct sdt_probe {
105 sdt_provider_t *sdp_provider; /* provider */
106 char *sdp_name; /* name of probe */
107 int sdp_namelen; /* length of allocated name */
108 dtrace_id_t sdp_id; /* probe ID */
109 struct modctl *sdp_ctl; /* modctl for module */
110 int sdp_loadcnt; /* load count for module */
111 int sdp_primary; /* non-zero if primary mod */
112 sdt_instr_t *sdp_patchpoint; /* patch point */
113 sdt_instr_t sdp_patchval; /* instruction to patch */
114 sdt_instr_t sdp_savedval; /* saved instruction value */
115 struct sdt_probe *sdp_next; /* next probe */
116 struct sdt_probe *sdp_hashnext; /* next on hash */
117} sdt_probe_t;
118
119typedef struct sdt_argdesc {
120 const char *sda_provider; /* provider for arg */
121 const char *sda_name; /* name of probe */
122 const int sda_ndx; /* argument index */
123 const int sda_mapping; /* mapping of argument */
124 const char *sda_native; /* native type of argument */
125 const char *sda_xlate; /* translated type of arg */
126} sdt_argdesc_t;
127
128extern void sdt_getargdesc(void *, dtrace_id_t, void *, dtrace_argdesc_t *);
129
130#ifdef __cplusplus
131}
132#endif
133
134#endif /* _SDT_IMPL_H */