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 */
43 * Kernel DTrace extension to 'struct thread' for FreeBSD.
45 typedef struct kdtrace_thread {
46 u_int8_t td_dtrace_stop; /* Indicates a DTrace-desired stop */
47 u_int8_t td_dtrace_sig; /* Signal sent via DTrace's raise() */
48 u_int td_predcache; /* DTrace predicate cache */
49 u_int64_t td_dtrace_vtime; /* DTrace virtual time */
50 u_int64_t td_dtrace_start; /* DTrace slice start time */
54 u_int8_t _td_dtrace_on;
55 /* Hit a fasttrap tracepoint. */
56 u_int8_t _td_dtrace_step;
57 /* About to return to kernel. */
58 u_int8_t _td_dtrace_ret;
59 /* Handling a return probe. */
60 u_int8_t _td_dtrace_ast;
63 u_long _td_dtrace_ft; /* Bitwise or of these flags. */
65 #define td_dtrace_ft _tdu._td_dtrace_ft
66 #define td_dtrace_on _tdu._tds._td_dtrace_on
67 #define td_dtrace_step _tdu._tds._td_dtrace_step
68 #define td_dtrace_ret _tdu._tds._td_dtrace_ret
69 #define td_dtrace_ast _tdu._tds._td_dtrace_ast
71 uintptr_t td_dtrace_pc; /* DTrace saved pc from fasttrap. */
72 uintptr_t td_dtrace_npc; /* DTrace next pc from fasttrap. */
73 uintptr_t td_dtrace_scrpc;
74 /* DTrace per-thread scratch location. */
75 uintptr_t td_dtrace_astpc;
76 /* DTrace return sequence location. */
77 u_int64_t td_hrtime; /* Last time on cpu. */
78 int td_errno; /* Syscall return value. */
82 * Definitions to reference fields in the FreeBSD DTrace structures defined
83 * above using the names of fields in similar structures in Solaris. Note
84 * that the separation on FreeBSD is a licensing constraint designed to
85 * keep the GENERIC kernel BSD licensed.
87 #define t_dtrace_vtime td_dtrace->td_dtrace_vtime
88 #define t_dtrace_start td_dtrace->td_dtrace_start
89 #define t_dtrace_stop td_dtrace->td_dtrace_stop
90 #define t_dtrace_sig td_dtrace->td_dtrace_sig
91 #define t_predcache td_dtrace->td_predcache
92 #define p_dtrace_helpers p_dtrace->p_dtrace_helpers
95 * Definitions for fields in struct proc which are named differntly in FreeBSD.
97 #define p_cred p_ucred
98 #define p_parent p_pptr
101 * Definitions for fields in struct thread which are named differntly in FreeBSD.
103 #define t_procp td_proc
108 int priv_policy(const cred_t *, int, boolean_t, int, const char *);
109 boolean_t priv_policy_only(const cred_t *, int, boolean_t);
110 boolean_t priv_policy_choice(const cred_t *, int, boolean_t);
113 * Test privilege. Audit success or failure, allow privilege debugging.
114 * Returns 0 for success, err for failure.
116 #define PRIV_POLICY(cred, priv, all, err, reason) \
117 priv_policy((cred), (priv), (all), (err), (reason))
120 * Test privilege. Audit success only, no privilege debugging.
121 * Returns 1 for success, and 0 for failure.
123 #define PRIV_POLICY_CHOICE(cred, priv, all) \
124 priv_policy_choice((cred), (priv), (all))
127 * Test privilege. No priv_debugging, no auditing.
128 * Returns 1 for success, and 0 for failure.
131 #define PRIV_POLICY_ONLY(cred, priv, all) \
132 priv_policy_only((cred), (priv), (all))
134 #endif /* !_DTRACE_CDDL_H_ */