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_PROBES_ENABLED() 0
94 #define SDT_PROBE(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4)
95 #define SDT_PROBE_ARGTYPE(prov, mod, func, name, num, type, xtype)
97 #define SDT_PROBE_DEFINE0(prov, mod, func, name)
98 #define SDT_PROBE_DEFINE1(prov, mod, func, name, arg0)
99 #define SDT_PROBE_DEFINE2(prov, mod, func, name, arg0, arg1)
100 #define SDT_PROBE_DEFINE3(prov, mod, func, name, arg0, arg1, arg2)
101 #define SDT_PROBE_DEFINE4(prov, mod, func, name, arg0, arg1, arg2, arg3)
102 #define SDT_PROBE_DEFINE5(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4)
103 #define SDT_PROBE_DEFINE6(prov, mod, func, name, arg0, arg1, arg2, \
105 #define SDT_PROBE_DEFINE7(prov, mod, func, name, arg0, arg1, arg2, \
106 arg3, arg4, arg5, arg6)
108 #define SDT_PROBE0(prov, mod, func, name)
109 #define SDT_PROBE1(prov, mod, func, name, arg0)
110 #define SDT_PROBE2(prov, mod, func, name, arg0, arg1)
111 #define SDT_PROBE3(prov, mod, func, name, arg0, arg1, arg2)
112 #define SDT_PROBE4(prov, mod, func, name, arg0, arg1, arg2, arg3)
113 #define SDT_PROBE5(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4)
114 #define SDT_PROBE6(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4, arg5)
115 #define SDT_PROBE7(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4, arg5, \
118 #define SDT_PROBE_DEFINE0_XLATE(prov, mod, func, name)
119 #define SDT_PROBE_DEFINE1_XLATE(prov, mod, func, name, arg0, xarg0)
120 #define SDT_PROBE_DEFINE2_XLATE(prov, mod, func, name, arg0, xarg0, \
122 #define SDT_PROBE_DEFINE3_XLATE(prov, mod, func, name, arg0, xarg0, \
123 arg1, xarg1, arg2, xarg2)
124 #define SDT_PROBE_DEFINE4_XLATE(prov, mod, func, name, arg0, xarg0, \
125 arg1, xarg1, arg2, xarg2, arg3, xarg3)
126 #define SDT_PROBE_DEFINE5_XLATE(prov, mod, func, name, arg0, xarg0, \
127 arg1, xarg1, arg2, xarg2, arg3, xarg3, arg4, xarg4)
128 #define SDT_PROBE_DEFINE6_XLATE(prov, mod, func, name, arg0, xarg0, \
129 arg1, xarg1, arg2, xarg2, arg3, xarg3, arg4, xarg4, arg5, xarg5)
130 #define SDT_PROBE_DEFINE7_XLATE(prov, mod, func, name, arg0, xarg0, \
131 arg1, xarg1, arg2, xarg2, arg3, xarg3, arg4, xarg4, arg5, xarg5, arg6, \
134 #define DTRACE_PROBE(name)
135 #define DTRACE_PROBE1(name, type0, arg0)
136 #define DTRACE_PROBE2(name, type0, arg0, type1, arg1)
137 #define DTRACE_PROBE3(name, type0, arg0, type1, arg1, type2, arg2)
138 #define DTRACE_PROBE4(name, type0, arg0, type1, arg1, type2, arg2, type3, arg3)
139 #define DTRACE_PROBE5(name, type0, arg0, type1, arg1, type2, arg2, type3, arg3,\
144 SET_DECLARE(sdt_providers_set, struct sdt_provider);
145 SET_DECLARE(sdt_probes_set, struct sdt_probe);
146 SET_DECLARE(sdt_argtypes_set, struct sdt_argtype);
148 #define SDT_PROVIDER_DEFINE(prov) \
149 struct sdt_provider sdt_provider_##prov[1] = { \
150 { #prov, { NULL, NULL }, 0, 0 } \
152 DATA_SET(sdt_providers_set, sdt_provider_##prov);
154 #define SDT_PROVIDER_DECLARE(prov) \
155 extern struct sdt_provider sdt_provider_##prov[1]
157 #define SDT_PROBE_DEFINE(prov, mod, func, name) \
158 struct sdt_probe sdt_##prov##_##mod##_##func##_##name[1] = { \
159 { sizeof(struct sdt_probe), sdt_provider_##prov, \
160 { NULL, NULL }, { NULL, NULL }, #mod, #func, #name, 0, 0, \
163 DATA_SET(sdt_probes_set, sdt_##prov##_##mod##_##func##_##name);
165 #define SDT_PROBE_DECLARE(prov, mod, func, name) \
166 extern struct sdt_probe sdt_##prov##_##mod##_##func##_##name[1]
168 #define SDT_PROBES_ENABLED() __predict_false(sdt_probes_enabled)
170 #define SDT_PROBE(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4) do { \
171 if (SDT_PROBES_ENABLED()) { \
172 if (__predict_false(sdt_##prov##_##mod##_##func##_##name->id)) \
173 (*sdt_probe_func)(sdt_##prov##_##mod##_##func##_##name->id, \
174 (uintptr_t) arg0, (uintptr_t) arg1, (uintptr_t) arg2, \
175 (uintptr_t) arg3, (uintptr_t) arg4); \
179 #define SDT_PROBE_ARGTYPE(prov, mod, func, name, num, type, xtype) \
180 static struct sdt_argtype sdta_##prov##_##mod##_##func##_##name##num[1] \
181 = { { num, type, xtype, { NULL, NULL }, \
182 sdt_##prov##_##mod##_##func##_##name } \
184 DATA_SET(sdt_argtypes_set, sdta_##prov##_##mod##_##func##_##name##num);
186 #define SDT_PROBE_DEFINE0(prov, mod, func, name) \
187 SDT_PROBE_DEFINE(prov, mod, func, name)
189 #define SDT_PROBE_DEFINE1(prov, mod, func, name, arg0) \
190 SDT_PROBE_DEFINE(prov, mod, func, name); \
191 SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, NULL)
193 #define SDT_PROBE_DEFINE2(prov, mod, func, name, arg0, arg1) \
194 SDT_PROBE_DEFINE(prov, mod, func, name); \
195 SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, NULL); \
196 SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, NULL)
198 #define SDT_PROBE_DEFINE3(prov, mod, func, name, arg0, arg1, arg2)\
199 SDT_PROBE_DEFINE(prov, mod, func, name); \
200 SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, NULL); \
201 SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, NULL); \
202 SDT_PROBE_ARGTYPE(prov, mod, func, name, 2, arg2, NULL)
204 #define SDT_PROBE_DEFINE4(prov, mod, func, name, arg0, arg1, arg2, arg3) \
205 SDT_PROBE_DEFINE(prov, mod, func, name); \
206 SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, NULL); \
207 SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, NULL); \
208 SDT_PROBE_ARGTYPE(prov, mod, func, name, 2, arg2, NULL); \
209 SDT_PROBE_ARGTYPE(prov, mod, func, name, 3, arg3, NULL)
211 #define SDT_PROBE_DEFINE5(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4) \
212 SDT_PROBE_DEFINE(prov, mod, func, name); \
213 SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, NULL); \
214 SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, NULL); \
215 SDT_PROBE_ARGTYPE(prov, mod, func, name, 2, arg2, NULL); \
216 SDT_PROBE_ARGTYPE(prov, mod, func, name, 3, arg3, NULL); \
217 SDT_PROBE_ARGTYPE(prov, mod, func, name, 4, arg4, NULL)
219 #define SDT_PROBE_DEFINE6(prov, mod, func, name, arg0, arg1, arg2, arg3,\
221 SDT_PROBE_DEFINE(prov, mod, func, name); \
222 SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, NULL); \
223 SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, NULL); \
224 SDT_PROBE_ARGTYPE(prov, mod, func, name, 2, arg2, NULL); \
225 SDT_PROBE_ARGTYPE(prov, mod, func, name, 3, arg3, NULL); \
226 SDT_PROBE_ARGTYPE(prov, mod, func, name, 4, arg4, NULL); \
227 SDT_PROBE_ARGTYPE(prov, mod, func, name, 5, arg5, NULL)
229 #define SDT_PROBE_DEFINE7(prov, mod, func, name, arg0, arg1, arg2, arg3,\
231 SDT_PROBE_DEFINE(prov, mod, func, name); \
232 SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, NULL); \
233 SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, NULL); \
234 SDT_PROBE_ARGTYPE(prov, mod, func, name, 2, arg2, NULL); \
235 SDT_PROBE_ARGTYPE(prov, mod, func, name, 3, arg3, NULL); \
236 SDT_PROBE_ARGTYPE(prov, mod, func, name, 4, arg4, NULL); \
237 SDT_PROBE_ARGTYPE(prov, mod, func, name, 5, arg5, NULL); \
238 SDT_PROBE_ARGTYPE(prov, mod, func, name, 6, arg6, NULL)
240 #define SDT_PROBE_DEFINE0_XLATE(prov, mod, func, name) \
241 SDT_PROBE_DEFINE(prov, mod, func, name)
243 #define SDT_PROBE_DEFINE1_XLATE(prov, mod, func, name, arg0, xarg0) \
244 SDT_PROBE_DEFINE(prov, mod, func, name); \
245 SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, xarg0)
247 #define SDT_PROBE_DEFINE2_XLATE(prov, mod, func, name, arg0, xarg0, \
249 SDT_PROBE_DEFINE(prov, mod, func, name); \
250 SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, xarg0); \
251 SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, xarg1)
253 #define SDT_PROBE_DEFINE3_XLATE(prov, mod, func, name, arg0, xarg0, \
254 arg1, xarg1, arg2, xarg2) \
255 SDT_PROBE_DEFINE(prov, mod, func, name); \
256 SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, xarg0); \
257 SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, xarg1); \
258 SDT_PROBE_ARGTYPE(prov, mod, func, name, 2, arg2, xarg2)
260 #define SDT_PROBE_DEFINE4_XLATE(prov, mod, func, name, arg0, xarg0, \
261 arg1, xarg1, arg2, xarg2, arg3, xarg3) \
262 SDT_PROBE_DEFINE(prov, mod, func, name); \
263 SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, xarg0); \
264 SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, xarg1); \
265 SDT_PROBE_ARGTYPE(prov, mod, func, name, 2, arg2, xarg2); \
266 SDT_PROBE_ARGTYPE(prov, mod, func, name, 3, arg3, xarg3)
268 #define SDT_PROBE_DEFINE5_XLATE(prov, mod, func, name, arg0, xarg0, \
269 arg1, xarg1, arg2, xarg2, arg3, xarg3, arg4, xarg4) \
270 SDT_PROBE_DEFINE(prov, mod, func, name); \
271 SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, xarg0); \
272 SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, xarg1); \
273 SDT_PROBE_ARGTYPE(prov, mod, func, name, 2, arg2, xarg2); \
274 SDT_PROBE_ARGTYPE(prov, mod, func, name, 3, arg3, xarg3); \
275 SDT_PROBE_ARGTYPE(prov, mod, func, name, 4, arg4, xarg4)
277 #define SDT_PROBE_DEFINE6_XLATE(prov, mod, func, name, arg0, xarg0, \
278 arg1, xarg1, arg2, xarg2, arg3, xarg3, arg4, xarg4, arg5, xarg5) \
279 SDT_PROBE_DEFINE(prov, mod, func, name); \
280 SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, xarg0); \
281 SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, xarg1); \
282 SDT_PROBE_ARGTYPE(prov, mod, func, name, 2, arg2, xarg2); \
283 SDT_PROBE_ARGTYPE(prov, mod, func, name, 3, arg3, xarg3); \
284 SDT_PROBE_ARGTYPE(prov, mod, func, name, 4, arg4, xarg4); \
285 SDT_PROBE_ARGTYPE(prov, mod, func, name, 5, arg5, xarg5)
287 #define SDT_PROBE_DEFINE7_XLATE(prov, mod, func, name, arg0, xarg0, \
288 arg1, xarg1, arg2, xarg2, arg3, xarg3, arg4, xarg4, arg5, xarg5, arg6, \
290 SDT_PROBE_DEFINE(prov, mod, func, name); \
291 SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, xarg0); \
292 SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, xarg1); \
293 SDT_PROBE_ARGTYPE(prov, mod, func, name, 2, arg2, xarg2); \
294 SDT_PROBE_ARGTYPE(prov, mod, func, name, 3, arg3, xarg3); \
295 SDT_PROBE_ARGTYPE(prov, mod, func, name, 4, arg4, xarg4); \
296 SDT_PROBE_ARGTYPE(prov, mod, func, name, 5, arg5, xarg5); \
297 SDT_PROBE_ARGTYPE(prov, mod, func, name, 6, arg6, xarg6)
299 #define SDT_PROBE0(prov, mod, func, name) \
300 SDT_PROBE(prov, mod, func, name, 0, 0, 0, 0, 0)
301 #define SDT_PROBE1(prov, mod, func, name, arg0) \
302 SDT_PROBE(prov, mod, func, name, arg0, 0, 0, 0, 0)
303 #define SDT_PROBE2(prov, mod, func, name, arg0, arg1) \
304 SDT_PROBE(prov, mod, func, name, arg0, arg1, 0, 0, 0)
305 #define SDT_PROBE3(prov, mod, func, name, arg0, arg1, arg2) \
306 SDT_PROBE(prov, mod, func, name, arg0, arg1, arg2, 0, 0)
307 #define SDT_PROBE4(prov, mod, func, name, arg0, arg1, arg2, arg3) \
308 SDT_PROBE(prov, mod, func, name, arg0, arg1, arg2, arg3, 0)
309 #define SDT_PROBE5(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4) \
310 SDT_PROBE(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4)
311 #define SDT_PROBE6(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4, arg5) \
313 if (sdt_##prov##_##mod##_##func##_##name->id) \
314 (*(void (*)(uint32_t, uintptr_t, uintptr_t, uintptr_t, \
315 uintptr_t, uintptr_t, uintptr_t))sdt_probe_func)( \
316 sdt_##prov##_##mod##_##func##_##name->id, \
317 (uintptr_t)arg0, (uintptr_t)arg1, (uintptr_t)arg2, \
318 (uintptr_t)arg3, (uintptr_t)arg4, (uintptr_t)arg5);\
320 #define SDT_PROBE7(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4, arg5, \
323 if (sdt_##prov##_##mod##_##func##_##name->id) \
324 (*(void (*)(uint32_t, uintptr_t, uintptr_t, uintptr_t, \
325 uintptr_t, uintptr_t, uintptr_t, uintptr_t)) \
327 sdt_##prov##_##mod##_##func##_##name->id, \
328 (uintptr_t)arg0, (uintptr_t)arg1, (uintptr_t)arg2, \
329 (uintptr_t)arg3, (uintptr_t)arg4, (uintptr_t)arg5, \
333 #define DTRACE_PROBE_IMPL_START(name, arg0, arg1, arg2, arg3, arg4) do { \
334 static SDT_PROBE_DEFINE(sdt, , , name); \
335 SDT_PROBE(sdt, , , name, arg0, arg1, arg2, arg3, arg4);
336 #define DTRACE_PROBE_IMPL_END } while (0)
338 #define DTRACE_PROBE(name) \
339 DTRACE_PROBE_IMPL_START(name, 0, 0, 0, 0, 0) \
340 DTRACE_PROBE_IMPL_END
342 #define DTRACE_PROBE1(name, type0, arg0) \
343 DTRACE_PROBE_IMPL_START(name, arg0, 0, 0, 0, 0) \
344 SDT_PROBE_ARGTYPE(sdt, , , name, 0, #type0, NULL); \
345 DTRACE_PROBE_IMPL_END
347 #define DTRACE_PROBE2(name, type0, arg0, type1, arg1) \
348 DTRACE_PROBE_IMPL_START(name, arg0, arg1, 0, 0, 0) \
349 SDT_PROBE_ARGTYPE(sdt, , , name, 0, #type0, NULL); \
350 SDT_PROBE_ARGTYPE(sdt, , , name, 1, #type1, NULL); \
351 DTRACE_PROBE_IMPL_END
353 #define DTRACE_PROBE3(name, type0, arg0, type1, arg1, type2, arg2) \
354 DTRACE_PROBE_IMPL_START(name, arg0, arg1, arg2, 0, 0) \
355 SDT_PROBE_ARGTYPE(sdt, , , name, 0, #type0, NULL); \
356 SDT_PROBE_ARGTYPE(sdt, , , name, 1, #type1, NULL); \
357 SDT_PROBE_ARGTYPE(sdt, , , name, 2, #type2, NULL); \
358 DTRACE_PROBE_IMPL_END
360 #define DTRACE_PROBE4(name, type0, arg0, type1, arg1, type2, arg2, type3, arg3) \
361 DTRACE_PROBE_IMPL_START(name, arg0, arg1, arg2, arg3, 0) \
362 SDT_PROBE_ARGTYPE(sdt, , , name, 0, #type0, NULL); \
363 SDT_PROBE_ARGTYPE(sdt, , , name, 1, #type1, NULL); \
364 SDT_PROBE_ARGTYPE(sdt, , , name, 2, #type2, NULL); \
365 SDT_PROBE_ARGTYPE(sdt, , , name, 3, #type3, NULL); \
366 DTRACE_PROBE_IMPL_END
368 #define DTRACE_PROBE5(name, type0, arg0, type1, arg1, type2, arg2, type3, arg3, \
370 DTRACE_PROBE_IMPL_START(name, arg0, arg1, arg2, arg3, arg4) \
371 SDT_PROBE_ARGTYPE(sdt, , , name, 0, #type0, NULL); \
372 SDT_PROBE_ARGTYPE(sdt, , , name, 1, #type1, NULL); \
373 SDT_PROBE_ARGTYPE(sdt, , , name, 2, #type2, NULL); \
374 SDT_PROBE_ARGTYPE(sdt, , , name, 3, #type3, NULL); \
375 SDT_PROBE_ARGTYPE(sdt, , , name, 4, #type4, NULL); \
376 DTRACE_PROBE_IMPL_END
378 #endif /* KDTRACE_HOOKS */
381 * This type definition must match that of dtrace_probe. It is defined this
382 * way to avoid having to rely on CDDL code.
384 typedef void (*sdt_probe_func_t)(uint32_t, uintptr_t arg0, uintptr_t arg1,
385 uintptr_t arg2, uintptr_t arg3, uintptr_t arg4);
388 * The 'sdt' provider will set it to dtrace_probe when it loads.
390 extern sdt_probe_func_t sdt_probe_func;
397 int ndx; /* Argument index. */
398 const char *type; /* Argument type string. */
399 const char *xtype; /* Translated argument type. */
400 TAILQ_ENTRY(sdt_argtype)
401 argtype_entry; /* Argument type list entry. */
402 struct sdt_probe *probe; /* Ptr to the probe structure. */
406 int version; /* Set to sizeof(struct sdt_probe). */
407 struct sdt_provider *prov; /* Ptr to the provider structure. */
408 TAILQ_ENTRY(sdt_probe)
409 probe_entry; /* SDT probe list entry. */
410 TAILQ_HEAD(, sdt_argtype) argtype_list;
414 id_t id; /* DTrace probe ID. */
415 int n_args; /* Number of arguments. */
416 struct linker_file *sdtp_lf; /* Module in which we're defined. */
419 struct sdt_provider {
420 char *name; /* Provider name. */
421 TAILQ_ENTRY(sdt_provider)
422 prov_entry; /* SDT provider list entry. */
423 uintptr_t id; /* DTrace provider ID. */
424 int sdt_refs; /* Number of module references. */
427 void sdt_probe_stub(uint32_t, uintptr_t, uintptr_t, uintptr_t, uintptr_t,
430 SDT_PROVIDER_DECLARE(sdt);
434 #endif /* _SYS_SDT_H */