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dtrace_cddl.h (211610) dtrace_cddl.h (264434)
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 (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 *
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 (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 *
21 * $FreeBSD: head/sys/cddl/dev/dtrace/dtrace_cddl.h 211610 2010-08-22 11:04:43Z rpaulo $
21 * $FreeBSD: head/sys/cddl/dev/dtrace/dtrace_cddl.h 264434 2014-04-14 00:22:42Z markj $
22 *
23 */
24
25#ifndef _DTRACE_CDDL_H_
26#define _DTRACE_CDDL_H_
27
28#include <sys/proc.h>
29
30#define LOCK_LEVEL 10
31
32/*
33 * Kernel DTrace extension to 'struct proc' for FreeBSD.
34 */
35typedef struct kdtrace_proc {
36 int p_dtrace_probes; /* Are there probes for this proc? */
37 u_int64_t p_dtrace_count; /* Number of DTrace tracepoints */
38 void *p_dtrace_helpers; /* DTrace helpers, if any */
39 int p_dtrace_model;
40
41} kdtrace_proc_t;
42
43/*
44 * Kernel DTrace extension to 'struct thread' for FreeBSD.
45 */
46typedef struct kdtrace_thread {
47 u_int8_t td_dtrace_stop; /* Indicates a DTrace-desired stop */
48 u_int8_t td_dtrace_sig; /* Signal sent via DTrace's raise() */
49 u_int td_predcache; /* DTrace predicate cache */
50 u_int64_t td_dtrace_vtime; /* DTrace virtual time */
51 u_int64_t td_dtrace_start; /* DTrace slice start time */
52
53 union __tdu {
54 struct __tds {
55 u_int8_t _td_dtrace_on;
56 /* Hit a fasttrap tracepoint. */
57 u_int8_t _td_dtrace_step;
58 /* About to return to kernel. */
59 u_int8_t _td_dtrace_ret;
60 /* Handling a return probe. */
61 u_int8_t _td_dtrace_ast;
62 /* Saved ast flag. */
63#ifdef __amd64__
64 u_int8_t _td_dtrace_reg;
65#endif
66 } _tds;
67 u_long _td_dtrace_ft; /* Bitwise or of these flags. */
68 } _tdu;
69#define td_dtrace_ft _tdu._td_dtrace_ft
70#define td_dtrace_on _tdu._tds._td_dtrace_on
71#define td_dtrace_step _tdu._tds._td_dtrace_step
72#define td_dtrace_ret _tdu._tds._td_dtrace_ret
73#define td_dtrace_ast _tdu._tds._td_dtrace_ast
74#define td_dtrace_reg _tdu._tds._td_dtrace_reg
75
76 uintptr_t td_dtrace_pc; /* DTrace saved pc from fasttrap. */
77 uintptr_t td_dtrace_npc; /* DTrace next pc from fasttrap. */
78 uintptr_t td_dtrace_scrpc;
79 /* DTrace per-thread scratch location. */
80 uintptr_t td_dtrace_astpc;
81 /* DTrace return sequence location. */
82#ifdef __amd64__
83 uintptr_t td_dtrace_regv;
84#endif
85 u_int64_t td_hrtime; /* Last time on cpu. */
86 int td_errno; /* Syscall return value. */
22 *
23 */
24
25#ifndef _DTRACE_CDDL_H_
26#define _DTRACE_CDDL_H_
27
28#include <sys/proc.h>
29
30#define LOCK_LEVEL 10
31
32/*
33 * Kernel DTrace extension to 'struct proc' for FreeBSD.
34 */
35typedef struct kdtrace_proc {
36 int p_dtrace_probes; /* Are there probes for this proc? */
37 u_int64_t p_dtrace_count; /* Number of DTrace tracepoints */
38 void *p_dtrace_helpers; /* DTrace helpers, if any */
39 int p_dtrace_model;
40
41} kdtrace_proc_t;
42
43/*
44 * Kernel DTrace extension to 'struct thread' for FreeBSD.
45 */
46typedef struct kdtrace_thread {
47 u_int8_t td_dtrace_stop; /* Indicates a DTrace-desired stop */
48 u_int8_t td_dtrace_sig; /* Signal sent via DTrace's raise() */
49 u_int td_predcache; /* DTrace predicate cache */
50 u_int64_t td_dtrace_vtime; /* DTrace virtual time */
51 u_int64_t td_dtrace_start; /* DTrace slice start time */
52
53 union __tdu {
54 struct __tds {
55 u_int8_t _td_dtrace_on;
56 /* Hit a fasttrap tracepoint. */
57 u_int8_t _td_dtrace_step;
58 /* About to return to kernel. */
59 u_int8_t _td_dtrace_ret;
60 /* Handling a return probe. */
61 u_int8_t _td_dtrace_ast;
62 /* Saved ast flag. */
63#ifdef __amd64__
64 u_int8_t _td_dtrace_reg;
65#endif
66 } _tds;
67 u_long _td_dtrace_ft; /* Bitwise or of these flags. */
68 } _tdu;
69#define td_dtrace_ft _tdu._td_dtrace_ft
70#define td_dtrace_on _tdu._tds._td_dtrace_on
71#define td_dtrace_step _tdu._tds._td_dtrace_step
72#define td_dtrace_ret _tdu._tds._td_dtrace_ret
73#define td_dtrace_ast _tdu._tds._td_dtrace_ast
74#define td_dtrace_reg _tdu._tds._td_dtrace_reg
75
76 uintptr_t td_dtrace_pc; /* DTrace saved pc from fasttrap. */
77 uintptr_t td_dtrace_npc; /* DTrace next pc from fasttrap. */
78 uintptr_t td_dtrace_scrpc;
79 /* DTrace per-thread scratch location. */
80 uintptr_t td_dtrace_astpc;
81 /* DTrace return sequence location. */
82#ifdef __amd64__
83 uintptr_t td_dtrace_regv;
84#endif
85 u_int64_t td_hrtime; /* Last time on cpu. */
86 int td_errno; /* Syscall return value. */
87 void *td_dtrace_sscr; /* Saved scratch space location. */
87} kdtrace_thread_t;
88
89/*
90 * Definitions to reference fields in the FreeBSD DTrace structures defined
91 * above using the names of fields in similar structures in Solaris. Note
92 * that the separation on FreeBSD is a licensing constraint designed to
93 * keep the GENERIC kernel BSD licensed.
94 */
95#define t_dtrace_vtime td_dtrace->td_dtrace_vtime
96#define t_dtrace_start td_dtrace->td_dtrace_start
97#define t_dtrace_stop td_dtrace->td_dtrace_stop
98#define t_dtrace_sig td_dtrace->td_dtrace_sig
99#define t_predcache td_dtrace->td_predcache
100#define t_dtrace_ft td_dtrace->td_dtrace_ft
101#define t_dtrace_on td_dtrace->td_dtrace_on
102#define t_dtrace_step td_dtrace->td_dtrace_step
103#define t_dtrace_ret td_dtrace->td_dtrace_ret
104#define t_dtrace_ast td_dtrace->td_dtrace_ast
105#define t_dtrace_reg td_dtrace->td_dtrace_reg
106#define t_dtrace_pc td_dtrace->td_dtrace_pc
107#define t_dtrace_npc td_dtrace->td_dtrace_npc
108#define t_dtrace_scrpc td_dtrace->td_dtrace_scrpc
109#define t_dtrace_astpc td_dtrace->td_dtrace_astpc
110#define t_dtrace_regv td_dtrace->td_dtrace_regv
88} kdtrace_thread_t;
89
90/*
91 * Definitions to reference fields in the FreeBSD DTrace structures defined
92 * above using the names of fields in similar structures in Solaris. Note
93 * that the separation on FreeBSD is a licensing constraint designed to
94 * keep the GENERIC kernel BSD licensed.
95 */
96#define t_dtrace_vtime td_dtrace->td_dtrace_vtime
97#define t_dtrace_start td_dtrace->td_dtrace_start
98#define t_dtrace_stop td_dtrace->td_dtrace_stop
99#define t_dtrace_sig td_dtrace->td_dtrace_sig
100#define t_predcache td_dtrace->td_predcache
101#define t_dtrace_ft td_dtrace->td_dtrace_ft
102#define t_dtrace_on td_dtrace->td_dtrace_on
103#define t_dtrace_step td_dtrace->td_dtrace_step
104#define t_dtrace_ret td_dtrace->td_dtrace_ret
105#define t_dtrace_ast td_dtrace->td_dtrace_ast
106#define t_dtrace_reg td_dtrace->td_dtrace_reg
107#define t_dtrace_pc td_dtrace->td_dtrace_pc
108#define t_dtrace_npc td_dtrace->td_dtrace_npc
109#define t_dtrace_scrpc td_dtrace->td_dtrace_scrpc
110#define t_dtrace_astpc td_dtrace->td_dtrace_astpc
111#define t_dtrace_regv td_dtrace->td_dtrace_regv
112#define t_dtrace_sscr td_dtrace->td_dtrace_sscr
111#define p_dtrace_helpers p_dtrace->p_dtrace_helpers
112#define p_dtrace_count p_dtrace->p_dtrace_count
113#define p_dtrace_probes p_dtrace->p_dtrace_probes
114#define p_model p_dtrace->p_dtrace_model
113#define p_dtrace_helpers p_dtrace->p_dtrace_helpers
114#define p_dtrace_count p_dtrace->p_dtrace_count
115#define p_dtrace_probes p_dtrace->p_dtrace_probes
116#define p_model p_dtrace->p_dtrace_model
117
115#define DATAMODEL_NATIVE 0
116#ifdef __amd64__
117#define DATAMODEL_LP64 0
118#define DATAMODEL_ILP32 1
119#else
120#define DATAMODEL_LP64 1
121#define DATAMODEL_ILP32 0
122#endif
123
124/*
125 * Definitions for fields in struct proc which are named differently in FreeBSD.
126 */
127#define p_cred p_ucred
128#define p_parent p_pptr
129
130/*
131 * Definitions for fields in struct thread which are named differently in FreeBSD.
132 */
133#define t_procp td_proc
134#define t_tid td_tid
135#define t_did td_tid
136
137
138int priv_policy(const cred_t *, int, boolean_t, int, const char *);
139boolean_t priv_policy_only(const cred_t *, int, boolean_t);
140boolean_t priv_policy_choice(const cred_t *, int, boolean_t);
141
142/*
143 * Test privilege. Audit success or failure, allow privilege debugging.
144 * Returns 0 for success, err for failure.
145 */
146#define PRIV_POLICY(cred, priv, all, err, reason) \
147 priv_policy((cred), (priv), (all), (err), (reason))
148
149/*
150 * Test privilege. Audit success only, no privilege debugging.
151 * Returns 1 for success, and 0 for failure.
152 */
153#define PRIV_POLICY_CHOICE(cred, priv, all) \
154 priv_policy_choice((cred), (priv), (all))
155
156/*
157 * Test privilege. No priv_debugging, no auditing.
158 * Returns 1 for success, and 0 for failure.
159 */
160
161#define PRIV_POLICY_ONLY(cred, priv, all) \
162 priv_policy_only((cred), (priv), (all))
163
164#endif /* !_DTRACE_CDDL_H_ */
118#define DATAMODEL_NATIVE 0
119#ifdef __amd64__
120#define DATAMODEL_LP64 0
121#define DATAMODEL_ILP32 1
122#else
123#define DATAMODEL_LP64 1
124#define DATAMODEL_ILP32 0
125#endif
126
127/*
128 * Definitions for fields in struct proc which are named differently in FreeBSD.
129 */
130#define p_cred p_ucred
131#define p_parent p_pptr
132
133/*
134 * Definitions for fields in struct thread which are named differently in FreeBSD.
135 */
136#define t_procp td_proc
137#define t_tid td_tid
138#define t_did td_tid
139
140
141int priv_policy(const cred_t *, int, boolean_t, int, const char *);
142boolean_t priv_policy_only(const cred_t *, int, boolean_t);
143boolean_t priv_policy_choice(const cred_t *, int, boolean_t);
144
145/*
146 * Test privilege. Audit success or failure, allow privilege debugging.
147 * Returns 0 for success, err for failure.
148 */
149#define PRIV_POLICY(cred, priv, all, err, reason) \
150 priv_policy((cred), (priv), (all), (err), (reason))
151
152/*
153 * Test privilege. Audit success only, no privilege debugging.
154 * Returns 1 for success, and 0 for failure.
155 */
156#define PRIV_POLICY_CHOICE(cred, priv, all) \
157 priv_policy_choice((cred), (priv), (all))
158
159/*
160 * Test privilege. No priv_debugging, no auditing.
161 * Returns 1 for success, and 0 for failure.
162 */
163
164#define PRIV_POLICY_ONLY(cred, priv, all) \
165 priv_policy_only((cred), (priv), (all))
166
167#endif /* !_DTRACE_CDDL_H_ */