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.
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.
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]
25 #ifndef _DTRACE_CDDL_H_
26 #define _DTRACE_CDDL_H_
33 * Kernel DTrace extension to 'struct proc' for FreeBSD.
35 typedef 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 */
44 * Kernel DTrace extension to 'struct thread' for FreeBSD.
46 typedef 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 */
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;
64 u_int8_t _td_dtrace_reg;
67 u_long _td_dtrace_ft; /* Bitwise or of these flags. */
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
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. */
83 uintptr_t td_dtrace_regv;
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. */
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.
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
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
118 #define DATAMODEL_NATIVE 0
120 #define DATAMODEL_LP64 0
121 #define DATAMODEL_ILP32 1
123 #define DATAMODEL_LP64 1
124 #define DATAMODEL_ILP32 0
128 * Definitions for fields in struct proc which are named differently in FreeBSD.
130 #define p_cred p_ucred
131 #define p_parent p_pptr
134 * Definitions for fields in struct thread which are named differently in FreeBSD.
136 #define t_procp td_proc
139 #define t_cred td_ucred
142 int priv_policy(const cred_t *, int, boolean_t, int, const char *);
143 boolean_t priv_policy_only(const cred_t *, int, boolean_t);
144 boolean_t priv_policy_choice(const cred_t *, int, boolean_t);
147 * Test privilege. Audit success or failure, allow privilege debugging.
148 * Returns 0 for success, err for failure.
150 #define PRIV_POLICY(cred, priv, all, err, reason) \
151 priv_policy((cred), (priv), (all), (err), (reason))
154 * Test privilege. Audit success only, no privilege debugging.
155 * Returns 1 for success, and 0 for failure.
157 #define PRIV_POLICY_CHOICE(cred, priv, all) \
158 priv_policy_choice((cred), (priv), (all))
161 * Test privilege. No priv_debugging, no auditing.
162 * Returns 1 for success, and 0 for failure.
165 #define PRIV_POLICY_ONLY(cred, priv, all) \
166 priv_policy_only((cred), (priv), (all))
168 #endif /* !_DTRACE_CDDL_H_ */