2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright 2006-2008 John Birrell <jb@FreeBSD.org>
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * Statically Defined Tracing (SDT) definitions.
38 #define _DTRACE_VERSION 1
40 #define DTRACE_PROBE(prov, name) { \
41 extern void __dtrace_##prov##___##name(void); \
42 __dtrace_##prov##___##name(); \
45 #define DTRACE_PROBE1(prov, name, arg1) { \
46 extern void __dtrace_##prov##___##name(unsigned long); \
47 __dtrace_##prov##___##name((unsigned long)arg1); \
50 #define DTRACE_PROBE2(prov, name, arg1, arg2) { \
51 extern void __dtrace_##prov##___##name(unsigned long, \
53 __dtrace_##prov##___##name((unsigned long)arg1, \
54 (unsigned long)arg2); \
57 #define DTRACE_PROBE3(prov, name, arg1, arg2, arg3) { \
58 extern void __dtrace_##prov##___##name(unsigned long, \
59 unsigned long, unsigned long); \
60 __dtrace_##prov##___##name((unsigned long)arg1, \
61 (unsigned long)arg2, (unsigned long)arg3); \
64 #define DTRACE_PROBE4(prov, name, arg1, arg2, arg3, arg4) { \
65 extern void __dtrace_##prov##___##name(unsigned long, \
66 unsigned long, unsigned long, unsigned long); \
67 __dtrace_##prov##___##name((unsigned long)arg1, \
68 (unsigned long)arg2, (unsigned long)arg3, \
69 (unsigned long)arg4); \
72 #define DTRACE_PROBE5(prov, name, arg1, arg2, arg3, arg4, arg5) { \
73 extern void __dtrace_##prov##___##name(unsigned long, \
74 unsigned long, unsigned long, unsigned long, unsigned long);\
75 __dtrace_##prov##___##name((unsigned long)arg1, \
76 (unsigned long)arg2, (unsigned long)arg3, \
77 (unsigned long)arg4, (unsigned long)arg5); \
82 #include <sys/cdefs.h>
83 #include <sys/linker_set.h>
85 extern volatile bool sdt_probes_enabled;
89 #define SDT_PROVIDER_DEFINE(prov)
90 #define SDT_PROVIDER_DECLARE(prov)
91 #define SDT_PROBE_DEFINE(prov, mod, func, name)
92 #define SDT_PROBE_DECLARE(prov, mod, func, name)
93 #define SDT_PROBE(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4)
94 #define SDT_PROBE_ARGTYPE(prov, mod, func, name, num, type, xtype)
96 #define SDT_PROBE_DEFINE0(prov, mod, func, name)
97 #define SDT_PROBE_DEFINE1(prov, mod, func, name, arg0)
98 #define SDT_PROBE_DEFINE2(prov, mod, func, name, arg0, arg1)
99 #define SDT_PROBE_DEFINE3(prov, mod, func, name, arg0, arg1, arg2)
100 #define SDT_PROBE_DEFINE4(prov, mod, func, name, arg0, arg1, arg2, arg3)
101 #define SDT_PROBE_DEFINE5(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4)
102 #define SDT_PROBE_DEFINE6(prov, mod, func, name, arg0, arg1, arg2, \
104 #define SDT_PROBE_DEFINE7(prov, mod, func, name, arg0, arg1, arg2, \
105 arg3, arg4, arg5, arg6)
107 #define SDT_PROBE0(prov, mod, func, name)
108 #define SDT_PROBE1(prov, mod, func, name, arg0)
109 #define SDT_PROBE2(prov, mod, func, name, arg0, arg1)
110 #define SDT_PROBE3(prov, mod, func, name, arg0, arg1, arg2)
111 #define SDT_PROBE4(prov, mod, func, name, arg0, arg1, arg2, arg3)
112 #define SDT_PROBE5(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4)
113 #define SDT_PROBE6(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4, arg5)
114 #define SDT_PROBE7(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4, arg5, \
117 #define SDT_PROBE_DEFINE0_XLATE(prov, mod, func, name)
118 #define SDT_PROBE_DEFINE1_XLATE(prov, mod, func, name, arg0, xarg0)
119 #define SDT_PROBE_DEFINE2_XLATE(prov, mod, func, name, arg0, xarg0, \
121 #define SDT_PROBE_DEFINE3_XLATE(prov, mod, func, name, arg0, xarg0, \
122 arg1, xarg1, arg2, xarg2)
123 #define SDT_PROBE_DEFINE4_XLATE(prov, mod, func, name, arg0, xarg0, \
124 arg1, xarg1, arg2, xarg2, arg3, xarg3)
125 #define SDT_PROBE_DEFINE5_XLATE(prov, mod, func, name, arg0, xarg0, \
126 arg1, xarg1, arg2, xarg2, arg3, xarg3, arg4, xarg4)
127 #define SDT_PROBE_DEFINE6_XLATE(prov, mod, func, name, arg0, xarg0, \
128 arg1, xarg1, arg2, xarg2, arg3, xarg3, arg4, xarg4, arg5, xarg5)
129 #define SDT_PROBE_DEFINE7_XLATE(prov, mod, func, name, arg0, xarg0, \
130 arg1, xarg1, arg2, xarg2, arg3, xarg3, arg4, xarg4, arg5, xarg5, arg6, \
133 #define DTRACE_PROBE(name)
134 #define DTRACE_PROBE1(name, type0, arg0)
135 #define DTRACE_PROBE2(name, type0, arg0, type1, arg1)
136 #define DTRACE_PROBE3(name, type0, arg0, type1, arg1, type2, arg2)
137 #define DTRACE_PROBE4(name, type0, arg0, type1, arg1, type2, arg2, type3, arg3)
138 #define DTRACE_PROBE5(name, type0, arg0, type1, arg1, type2, arg2, type3, arg3,\
143 SET_DECLARE(sdt_providers_set, struct sdt_provider);
144 SET_DECLARE(sdt_probes_set, struct sdt_probe);
145 SET_DECLARE(sdt_argtypes_set, struct sdt_argtype);
147 #define SDT_PROVIDER_DEFINE(prov) \
148 struct sdt_provider sdt_provider_##prov[1] = { \
149 { #prov, { NULL, NULL }, 0, 0 } \
151 DATA_SET(sdt_providers_set, sdt_provider_##prov);
153 #define SDT_PROVIDER_DECLARE(prov) \
154 extern struct sdt_provider sdt_provider_##prov[1]
156 #define SDT_PROBE_DEFINE(prov, mod, func, name) \
157 struct sdt_probe sdt_##prov##_##mod##_##func##_##name[1] = { \
158 { sizeof(struct sdt_probe), sdt_provider_##prov, \
159 { NULL, NULL }, { NULL, NULL }, #mod, #func, #name, 0, 0, \
162 DATA_SET(sdt_probes_set, sdt_##prov##_##mod##_##func##_##name);
164 #define SDT_PROBE_DECLARE(prov, mod, func, name) \
165 extern struct sdt_probe sdt_##prov##_##mod##_##func##_##name[1]
167 #define SDT_PROBE(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4) do { \
168 if (__predict_false(sdt_probes_enabled)) { \
169 if (__predict_false(sdt_##prov##_##mod##_##func##_##name->id)) \
170 (*sdt_probe_func)(sdt_##prov##_##mod##_##func##_##name->id, \
171 (uintptr_t) arg0, (uintptr_t) arg1, (uintptr_t) arg2, \
172 (uintptr_t) arg3, (uintptr_t) arg4); \
176 #define SDT_PROBE_ARGTYPE(prov, mod, func, name, num, type, xtype) \
177 static struct sdt_argtype sdta_##prov##_##mod##_##func##_##name##num[1] \
178 = { { num, type, xtype, { NULL, NULL }, \
179 sdt_##prov##_##mod##_##func##_##name } \
181 DATA_SET(sdt_argtypes_set, sdta_##prov##_##mod##_##func##_##name##num);
183 #define SDT_PROBE_DEFINE0(prov, mod, func, name) \
184 SDT_PROBE_DEFINE(prov, mod, func, name)
186 #define SDT_PROBE_DEFINE1(prov, mod, func, name, arg0) \
187 SDT_PROBE_DEFINE(prov, mod, func, name); \
188 SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, NULL)
190 #define SDT_PROBE_DEFINE2(prov, mod, func, name, arg0, arg1) \
191 SDT_PROBE_DEFINE(prov, mod, func, name); \
192 SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, NULL); \
193 SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, NULL)
195 #define SDT_PROBE_DEFINE3(prov, mod, func, name, arg0, arg1, arg2)\
196 SDT_PROBE_DEFINE(prov, mod, func, name); \
197 SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, NULL); \
198 SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, NULL); \
199 SDT_PROBE_ARGTYPE(prov, mod, func, name, 2, arg2, NULL)
201 #define SDT_PROBE_DEFINE4(prov, mod, func, name, arg0, arg1, arg2, arg3) \
202 SDT_PROBE_DEFINE(prov, mod, func, name); \
203 SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, NULL); \
204 SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, NULL); \
205 SDT_PROBE_ARGTYPE(prov, mod, func, name, 2, arg2, NULL); \
206 SDT_PROBE_ARGTYPE(prov, mod, func, name, 3, arg3, NULL)
208 #define SDT_PROBE_DEFINE5(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4) \
209 SDT_PROBE_DEFINE(prov, mod, func, name); \
210 SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, NULL); \
211 SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, NULL); \
212 SDT_PROBE_ARGTYPE(prov, mod, func, name, 2, arg2, NULL); \
213 SDT_PROBE_ARGTYPE(prov, mod, func, name, 3, arg3, NULL); \
214 SDT_PROBE_ARGTYPE(prov, mod, func, name, 4, arg4, NULL)
216 #define SDT_PROBE_DEFINE6(prov, mod, func, name, arg0, arg1, arg2, arg3,\
218 SDT_PROBE_DEFINE(prov, mod, func, name); \
219 SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, NULL); \
220 SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, NULL); \
221 SDT_PROBE_ARGTYPE(prov, mod, func, name, 2, arg2, NULL); \
222 SDT_PROBE_ARGTYPE(prov, mod, func, name, 3, arg3, NULL); \
223 SDT_PROBE_ARGTYPE(prov, mod, func, name, 4, arg4, NULL); \
224 SDT_PROBE_ARGTYPE(prov, mod, func, name, 5, arg5, NULL)
226 #define SDT_PROBE_DEFINE7(prov, mod, func, name, arg0, arg1, arg2, arg3,\
228 SDT_PROBE_DEFINE(prov, mod, func, name); \
229 SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, NULL); \
230 SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, NULL); \
231 SDT_PROBE_ARGTYPE(prov, mod, func, name, 2, arg2, NULL); \
232 SDT_PROBE_ARGTYPE(prov, mod, func, name, 3, arg3, NULL); \
233 SDT_PROBE_ARGTYPE(prov, mod, func, name, 4, arg4, NULL); \
234 SDT_PROBE_ARGTYPE(prov, mod, func, name, 5, arg5, NULL); \
235 SDT_PROBE_ARGTYPE(prov, mod, func, name, 6, arg6, NULL)
237 #define SDT_PROBE_DEFINE0_XLATE(prov, mod, func, name) \
238 SDT_PROBE_DEFINE(prov, mod, func, name)
240 #define SDT_PROBE_DEFINE1_XLATE(prov, mod, func, name, arg0, xarg0) \
241 SDT_PROBE_DEFINE(prov, mod, func, name); \
242 SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, xarg0)
244 #define SDT_PROBE_DEFINE2_XLATE(prov, mod, func, name, arg0, xarg0, \
246 SDT_PROBE_DEFINE(prov, mod, func, name); \
247 SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, xarg0); \
248 SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, xarg1)
250 #define SDT_PROBE_DEFINE3_XLATE(prov, mod, func, name, arg0, xarg0, \
251 arg1, xarg1, arg2, xarg2) \
252 SDT_PROBE_DEFINE(prov, mod, func, name); \
253 SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, xarg0); \
254 SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, xarg1); \
255 SDT_PROBE_ARGTYPE(prov, mod, func, name, 2, arg2, xarg2)
257 #define SDT_PROBE_DEFINE4_XLATE(prov, mod, func, name, arg0, xarg0, \
258 arg1, xarg1, arg2, xarg2, arg3, xarg3) \
259 SDT_PROBE_DEFINE(prov, mod, func, name); \
260 SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, xarg0); \
261 SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, xarg1); \
262 SDT_PROBE_ARGTYPE(prov, mod, func, name, 2, arg2, xarg2); \
263 SDT_PROBE_ARGTYPE(prov, mod, func, name, 3, arg3, xarg3)
265 #define SDT_PROBE_DEFINE5_XLATE(prov, mod, func, name, arg0, xarg0, \
266 arg1, xarg1, arg2, xarg2, arg3, xarg3, arg4, xarg4) \
267 SDT_PROBE_DEFINE(prov, mod, func, name); \
268 SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, xarg0); \
269 SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, xarg1); \
270 SDT_PROBE_ARGTYPE(prov, mod, func, name, 2, arg2, xarg2); \
271 SDT_PROBE_ARGTYPE(prov, mod, func, name, 3, arg3, xarg3); \
272 SDT_PROBE_ARGTYPE(prov, mod, func, name, 4, arg4, xarg4)
274 #define SDT_PROBE_DEFINE6_XLATE(prov, mod, func, name, arg0, xarg0, \
275 arg1, xarg1, arg2, xarg2, arg3, xarg3, arg4, xarg4, arg5, xarg5) \
276 SDT_PROBE_DEFINE(prov, mod, func, name); \
277 SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, xarg0); \
278 SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, xarg1); \
279 SDT_PROBE_ARGTYPE(prov, mod, func, name, 2, arg2, xarg2); \
280 SDT_PROBE_ARGTYPE(prov, mod, func, name, 3, arg3, xarg3); \
281 SDT_PROBE_ARGTYPE(prov, mod, func, name, 4, arg4, xarg4); \
282 SDT_PROBE_ARGTYPE(prov, mod, func, name, 5, arg5, xarg5)
284 #define SDT_PROBE_DEFINE7_XLATE(prov, mod, func, name, arg0, xarg0, \
285 arg1, xarg1, arg2, xarg2, arg3, xarg3, arg4, xarg4, arg5, xarg5, arg6, \
287 SDT_PROBE_DEFINE(prov, mod, func, name); \
288 SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, xarg0); \
289 SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, xarg1); \
290 SDT_PROBE_ARGTYPE(prov, mod, func, name, 2, arg2, xarg2); \
291 SDT_PROBE_ARGTYPE(prov, mod, func, name, 3, arg3, xarg3); \
292 SDT_PROBE_ARGTYPE(prov, mod, func, name, 4, arg4, xarg4); \
293 SDT_PROBE_ARGTYPE(prov, mod, func, name, 5, arg5, xarg5); \
294 SDT_PROBE_ARGTYPE(prov, mod, func, name, 6, arg6, xarg6)
296 #define SDT_PROBE0(prov, mod, func, name) \
297 SDT_PROBE(prov, mod, func, name, 0, 0, 0, 0, 0)
298 #define SDT_PROBE1(prov, mod, func, name, arg0) \
299 SDT_PROBE(prov, mod, func, name, arg0, 0, 0, 0, 0)
300 #define SDT_PROBE2(prov, mod, func, name, arg0, arg1) \
301 SDT_PROBE(prov, mod, func, name, arg0, arg1, 0, 0, 0)
302 #define SDT_PROBE3(prov, mod, func, name, arg0, arg1, arg2) \
303 SDT_PROBE(prov, mod, func, name, arg0, arg1, arg2, 0, 0)
304 #define SDT_PROBE4(prov, mod, func, name, arg0, arg1, arg2, arg3) \
305 SDT_PROBE(prov, mod, func, name, arg0, arg1, arg2, arg3, 0)
306 #define SDT_PROBE5(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4) \
307 SDT_PROBE(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4)
308 #define SDT_PROBE6(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4, arg5) \
310 if (sdt_##prov##_##mod##_##func##_##name->id) \
311 (*(void (*)(uint32_t, uintptr_t, uintptr_t, uintptr_t, \
312 uintptr_t, uintptr_t, uintptr_t))sdt_probe_func)( \
313 sdt_##prov##_##mod##_##func##_##name->id, \
314 (uintptr_t)arg0, (uintptr_t)arg1, (uintptr_t)arg2, \
315 (uintptr_t)arg3, (uintptr_t)arg4, (uintptr_t)arg5);\
317 #define SDT_PROBE7(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4, arg5, \
320 if (sdt_##prov##_##mod##_##func##_##name->id) \
321 (*(void (*)(uint32_t, uintptr_t, uintptr_t, uintptr_t, \
322 uintptr_t, uintptr_t, uintptr_t, uintptr_t)) \
324 sdt_##prov##_##mod##_##func##_##name->id, \
325 (uintptr_t)arg0, (uintptr_t)arg1, (uintptr_t)arg2, \
326 (uintptr_t)arg3, (uintptr_t)arg4, (uintptr_t)arg5, \
330 #define DTRACE_PROBE_IMPL_START(name, arg0, arg1, arg2, arg3, arg4) do { \
331 static SDT_PROBE_DEFINE(sdt, , , name); \
332 SDT_PROBE(sdt, , , name, arg0, arg1, arg2, arg3, arg4);
333 #define DTRACE_PROBE_IMPL_END } while (0)
335 #define DTRACE_PROBE(name) \
336 DTRACE_PROBE_IMPL_START(name, 0, 0, 0, 0, 0) \
337 DTRACE_PROBE_IMPL_END
339 #define DTRACE_PROBE1(name, type0, arg0) \
340 DTRACE_PROBE_IMPL_START(name, arg0, 0, 0, 0, 0) \
341 SDT_PROBE_ARGTYPE(sdt, , , name, 0, #type0, NULL); \
342 DTRACE_PROBE_IMPL_END
344 #define DTRACE_PROBE2(name, type0, arg0, type1, arg1) \
345 DTRACE_PROBE_IMPL_START(name, arg0, arg1, 0, 0, 0) \
346 SDT_PROBE_ARGTYPE(sdt, , , name, 0, #type0, NULL); \
347 SDT_PROBE_ARGTYPE(sdt, , , name, 1, #type1, NULL); \
348 DTRACE_PROBE_IMPL_END
350 #define DTRACE_PROBE3(name, type0, arg0, type1, arg1, type2, arg2) \
351 DTRACE_PROBE_IMPL_START(name, arg0, arg1, arg2, 0, 0) \
352 SDT_PROBE_ARGTYPE(sdt, , , name, 0, #type0, NULL); \
353 SDT_PROBE_ARGTYPE(sdt, , , name, 1, #type1, NULL); \
354 SDT_PROBE_ARGTYPE(sdt, , , name, 2, #type2, NULL); \
355 DTRACE_PROBE_IMPL_END
357 #define DTRACE_PROBE4(name, type0, arg0, type1, arg1, type2, arg2, type3, arg3) \
358 DTRACE_PROBE_IMPL_START(name, arg0, arg1, arg2, arg3, 0) \
359 SDT_PROBE_ARGTYPE(sdt, , , name, 0, #type0, NULL); \
360 SDT_PROBE_ARGTYPE(sdt, , , name, 1, #type1, NULL); \
361 SDT_PROBE_ARGTYPE(sdt, , , name, 2, #type2, NULL); \
362 SDT_PROBE_ARGTYPE(sdt, , , name, 3, #type3, NULL); \
363 DTRACE_PROBE_IMPL_END
365 #define DTRACE_PROBE5(name, type0, arg0, type1, arg1, type2, arg2, type3, arg3, \
367 DTRACE_PROBE_IMPL_START(name, arg0, arg1, arg2, arg3, arg4) \
368 SDT_PROBE_ARGTYPE(sdt, , , name, 0, #type0, NULL); \
369 SDT_PROBE_ARGTYPE(sdt, , , name, 1, #type1, NULL); \
370 SDT_PROBE_ARGTYPE(sdt, , , name, 2, #type2, NULL); \
371 SDT_PROBE_ARGTYPE(sdt, , , name, 3, #type3, NULL); \
372 SDT_PROBE_ARGTYPE(sdt, , , name, 4, #type4, NULL); \
373 DTRACE_PROBE_IMPL_END
375 #endif /* KDTRACE_HOOKS */
378 * This type definition must match that of dtrace_probe. It is defined this
379 * way to avoid having to rely on CDDL code.
381 typedef void (*sdt_probe_func_t)(uint32_t, uintptr_t arg0, uintptr_t arg1,
382 uintptr_t arg2, uintptr_t arg3, uintptr_t arg4);
385 * The 'sdt' provider will set it to dtrace_probe when it loads.
387 extern sdt_probe_func_t sdt_probe_func;
394 int ndx; /* Argument index. */
395 const char *type; /* Argument type string. */
396 const char *xtype; /* Translated argument type. */
397 TAILQ_ENTRY(sdt_argtype)
398 argtype_entry; /* Argument type list entry. */
399 struct sdt_probe *probe; /* Ptr to the probe structure. */
403 int version; /* Set to sizeof(struct sdt_probe). */
404 struct sdt_provider *prov; /* Ptr to the provider structure. */
405 TAILQ_ENTRY(sdt_probe)
406 probe_entry; /* SDT probe list entry. */
407 TAILQ_HEAD(, sdt_argtype) argtype_list;
411 id_t id; /* DTrace probe ID. */
412 int n_args; /* Number of arguments. */
413 struct linker_file *sdtp_lf; /* Module in which we're defined. */
416 struct sdt_provider {
417 char *name; /* Provider name. */
418 TAILQ_ENTRY(sdt_provider)
419 prov_entry; /* SDT provider list entry. */
420 uintptr_t id; /* DTrace provider ID. */
421 int sdt_refs; /* Number of module references. */
424 void sdt_probe_stub(uint32_t, uintptr_t, uintptr_t, uintptr_t, uintptr_t,
427 SDT_PROVIDER_DECLARE(sdt);
431 #endif /* _SYS_SDT_H */