2 * SPDX-License-Identifier: BSD-2-Clause
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
27 * Statically Defined Tracing (SDT) definitions.
36 #define _DTRACE_VERSION 1
38 #define DTRACE_PROBE(prov, name) { \
39 extern void __dtrace_##prov##___##name(void); \
40 __dtrace_##prov##___##name(); \
43 #define DTRACE_PROBE1(prov, name, arg1) { \
44 extern void __dtrace_##prov##___##name(unsigned long); \
45 __dtrace_##prov##___##name((unsigned long)arg1); \
48 #define DTRACE_PROBE2(prov, name, arg1, arg2) { \
49 extern void __dtrace_##prov##___##name(unsigned long, \
51 __dtrace_##prov##___##name((unsigned long)arg1, \
52 (unsigned long)arg2); \
55 #define DTRACE_PROBE3(prov, name, arg1, arg2, arg3) { \
56 extern void __dtrace_##prov##___##name(unsigned long, \
57 unsigned long, unsigned long); \
58 __dtrace_##prov##___##name((unsigned long)arg1, \
59 (unsigned long)arg2, (unsigned long)arg3); \
62 #define DTRACE_PROBE4(prov, name, arg1, arg2, arg3, arg4) { \
63 extern void __dtrace_##prov##___##name(unsigned long, \
64 unsigned long, unsigned long, unsigned long); \
65 __dtrace_##prov##___##name((unsigned long)arg1, \
66 (unsigned long)arg2, (unsigned long)arg3, \
67 (unsigned long)arg4); \
70 #define DTRACE_PROBE5(prov, name, arg1, arg2, arg3, arg4, arg5) { \
71 extern void __dtrace_##prov##___##name(unsigned long, \
72 unsigned long, unsigned long, unsigned long, unsigned long);\
73 __dtrace_##prov##___##name((unsigned long)arg1, \
74 (unsigned long)arg2, (unsigned long)arg3, \
75 (unsigned long)arg4, (unsigned long)arg5); \
80 #include <sys/cdefs.h>
81 #include <sys/linker_set.h>
83 extern volatile bool sdt_probes_enabled;
87 #define __sdt_used __unused
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,\
146 SET_DECLARE(sdt_providers_set, struct sdt_provider);
147 SET_DECLARE(sdt_probes_set, struct sdt_probe);
148 SET_DECLARE(sdt_argtypes_set, struct sdt_argtype);
150 #define SDT_PROVIDER_DEFINE(prov) \
151 struct sdt_provider sdt_provider_##prov[1] = { \
152 { #prov, { NULL, NULL }, 0, 0 } \
154 DATA_SET(sdt_providers_set, sdt_provider_##prov);
156 #define SDT_PROVIDER_DECLARE(prov) \
157 extern struct sdt_provider sdt_provider_##prov[1]
159 #define SDT_PROBE_DEFINE(prov, mod, func, name) \
160 struct sdt_probe sdt_##prov##_##mod##_##func##_##name[1] = { \
161 { sizeof(struct sdt_probe), sdt_provider_##prov, \
162 { NULL, NULL }, { NULL, NULL }, #mod, #func, #name, 0, 0, \
165 DATA_SET(sdt_probes_set, sdt_##prov##_##mod##_##func##_##name);
167 #define SDT_PROBE_DECLARE(prov, mod, func, name) \
168 extern struct sdt_probe sdt_##prov##_##mod##_##func##_##name[1]
170 #define SDT_PROBES_ENABLED() __predict_false(sdt_probes_enabled)
172 #define SDT_PROBE(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4) do { \
173 if (SDT_PROBES_ENABLED()) { \
174 if (__predict_false(sdt_##prov##_##mod##_##func##_##name->id)) \
175 (*sdt_probe_func)(sdt_##prov##_##mod##_##func##_##name->id, \
176 (uintptr_t) arg0, (uintptr_t) arg1, (uintptr_t) arg2, \
177 (uintptr_t) arg3, (uintptr_t) arg4); \
181 #define SDT_PROBE_ARGTYPE(prov, mod, func, name, num, type, xtype) \
182 static struct sdt_argtype sdta_##prov##_##mod##_##func##_##name##num[1] \
183 = { { num, type, xtype, { NULL, NULL }, \
184 sdt_##prov##_##mod##_##func##_##name } \
186 DATA_SET(sdt_argtypes_set, sdta_##prov##_##mod##_##func##_##name##num);
188 #define SDT_PROBE_DEFINE0(prov, mod, func, name) \
189 SDT_PROBE_DEFINE(prov, mod, func, name)
191 #define SDT_PROBE_DEFINE1(prov, mod, func, name, arg0) \
192 SDT_PROBE_DEFINE(prov, mod, func, name); \
193 SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, NULL)
195 #define SDT_PROBE_DEFINE2(prov, mod, func, name, arg0, arg1) \
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)
200 #define SDT_PROBE_DEFINE3(prov, mod, func, name, arg0, arg1, arg2)\
201 SDT_PROBE_DEFINE(prov, mod, func, name); \
202 SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, NULL); \
203 SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, NULL); \
204 SDT_PROBE_ARGTYPE(prov, mod, func, name, 2, arg2, NULL)
206 #define SDT_PROBE_DEFINE4(prov, mod, func, name, arg0, arg1, arg2, arg3) \
207 SDT_PROBE_DEFINE(prov, mod, func, name); \
208 SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, NULL); \
209 SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, NULL); \
210 SDT_PROBE_ARGTYPE(prov, mod, func, name, 2, arg2, NULL); \
211 SDT_PROBE_ARGTYPE(prov, mod, func, name, 3, arg3, NULL)
213 #define SDT_PROBE_DEFINE5(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4) \
214 SDT_PROBE_DEFINE(prov, mod, func, name); \
215 SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, NULL); \
216 SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, NULL); \
217 SDT_PROBE_ARGTYPE(prov, mod, func, name, 2, arg2, NULL); \
218 SDT_PROBE_ARGTYPE(prov, mod, func, name, 3, arg3, NULL); \
219 SDT_PROBE_ARGTYPE(prov, mod, func, name, 4, arg4, NULL)
221 #define SDT_PROBE_DEFINE6(prov, mod, func, name, arg0, arg1, arg2, arg3,\
223 SDT_PROBE_DEFINE(prov, mod, func, name); \
224 SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, NULL); \
225 SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, NULL); \
226 SDT_PROBE_ARGTYPE(prov, mod, func, name, 2, arg2, NULL); \
227 SDT_PROBE_ARGTYPE(prov, mod, func, name, 3, arg3, NULL); \
228 SDT_PROBE_ARGTYPE(prov, mod, func, name, 4, arg4, NULL); \
229 SDT_PROBE_ARGTYPE(prov, mod, func, name, 5, arg5, NULL)
231 #define SDT_PROBE_DEFINE7(prov, mod, func, name, arg0, arg1, arg2, arg3,\
233 SDT_PROBE_DEFINE(prov, mod, func, name); \
234 SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, NULL); \
235 SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, NULL); \
236 SDT_PROBE_ARGTYPE(prov, mod, func, name, 2, arg2, NULL); \
237 SDT_PROBE_ARGTYPE(prov, mod, func, name, 3, arg3, NULL); \
238 SDT_PROBE_ARGTYPE(prov, mod, func, name, 4, arg4, NULL); \
239 SDT_PROBE_ARGTYPE(prov, mod, func, name, 5, arg5, NULL); \
240 SDT_PROBE_ARGTYPE(prov, mod, func, name, 6, arg6, NULL)
242 #define SDT_PROBE_DEFINE0_XLATE(prov, mod, func, name) \
243 SDT_PROBE_DEFINE(prov, mod, func, name)
245 #define SDT_PROBE_DEFINE1_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)
249 #define SDT_PROBE_DEFINE2_XLATE(prov, mod, func, name, arg0, xarg0, \
251 SDT_PROBE_DEFINE(prov, mod, func, name); \
252 SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, xarg0); \
253 SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, xarg1)
255 #define SDT_PROBE_DEFINE3_XLATE(prov, mod, func, name, arg0, xarg0, \
256 arg1, xarg1, arg2, xarg2) \
257 SDT_PROBE_DEFINE(prov, mod, func, name); \
258 SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, xarg0); \
259 SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, xarg1); \
260 SDT_PROBE_ARGTYPE(prov, mod, func, name, 2, arg2, xarg2)
262 #define SDT_PROBE_DEFINE4_XLATE(prov, mod, func, name, arg0, xarg0, \
263 arg1, xarg1, arg2, xarg2, arg3, xarg3) \
264 SDT_PROBE_DEFINE(prov, mod, func, name); \
265 SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, xarg0); \
266 SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, xarg1); \
267 SDT_PROBE_ARGTYPE(prov, mod, func, name, 2, arg2, xarg2); \
268 SDT_PROBE_ARGTYPE(prov, mod, func, name, 3, arg3, xarg3)
270 #define SDT_PROBE_DEFINE5_XLATE(prov, mod, func, name, arg0, xarg0, \
271 arg1, xarg1, arg2, xarg2, arg3, xarg3, arg4, xarg4) \
272 SDT_PROBE_DEFINE(prov, mod, func, name); \
273 SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, xarg0); \
274 SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, xarg1); \
275 SDT_PROBE_ARGTYPE(prov, mod, func, name, 2, arg2, xarg2); \
276 SDT_PROBE_ARGTYPE(prov, mod, func, name, 3, arg3, xarg3); \
277 SDT_PROBE_ARGTYPE(prov, mod, func, name, 4, arg4, xarg4)
279 #define SDT_PROBE_DEFINE6_XLATE(prov, mod, func, name, arg0, xarg0, \
280 arg1, xarg1, arg2, xarg2, arg3, xarg3, arg4, xarg4, arg5, xarg5) \
281 SDT_PROBE_DEFINE(prov, mod, func, name); \
282 SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, xarg0); \
283 SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, xarg1); \
284 SDT_PROBE_ARGTYPE(prov, mod, func, name, 2, arg2, xarg2); \
285 SDT_PROBE_ARGTYPE(prov, mod, func, name, 3, arg3, xarg3); \
286 SDT_PROBE_ARGTYPE(prov, mod, func, name, 4, arg4, xarg4); \
287 SDT_PROBE_ARGTYPE(prov, mod, func, name, 5, arg5, xarg5)
289 #define SDT_PROBE_DEFINE7_XLATE(prov, mod, func, name, arg0, xarg0, \
290 arg1, xarg1, arg2, xarg2, arg3, xarg3, arg4, xarg4, arg5, xarg5, arg6, \
292 SDT_PROBE_DEFINE(prov, mod, func, name); \
293 SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, xarg0); \
294 SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, xarg1); \
295 SDT_PROBE_ARGTYPE(prov, mod, func, name, 2, arg2, xarg2); \
296 SDT_PROBE_ARGTYPE(prov, mod, func, name, 3, arg3, xarg3); \
297 SDT_PROBE_ARGTYPE(prov, mod, func, name, 4, arg4, xarg4); \
298 SDT_PROBE_ARGTYPE(prov, mod, func, name, 5, arg5, xarg5); \
299 SDT_PROBE_ARGTYPE(prov, mod, func, name, 6, arg6, xarg6)
301 #define SDT_PROBE0(prov, mod, func, name) \
302 SDT_PROBE(prov, mod, func, name, 0, 0, 0, 0, 0)
303 #define SDT_PROBE1(prov, mod, func, name, arg0) \
304 SDT_PROBE(prov, mod, func, name, arg0, 0, 0, 0, 0)
305 #define SDT_PROBE2(prov, mod, func, name, arg0, arg1) \
306 SDT_PROBE(prov, mod, func, name, arg0, arg1, 0, 0, 0)
307 #define SDT_PROBE3(prov, mod, func, name, arg0, arg1, arg2) \
308 SDT_PROBE(prov, mod, func, name, arg0, arg1, arg2, 0, 0)
309 #define SDT_PROBE4(prov, mod, func, name, arg0, arg1, arg2, arg3) \
310 SDT_PROBE(prov, mod, func, name, arg0, arg1, arg2, arg3, 0)
311 #define SDT_PROBE5(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4) \
312 SDT_PROBE(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4)
313 #define SDT_PROBE6(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4, arg5) \
315 if (sdt_##prov##_##mod##_##func##_##name->id) \
316 (*(void (*)(uint32_t, uintptr_t, uintptr_t, uintptr_t, \
317 uintptr_t, uintptr_t, uintptr_t))sdt_probe_func)( \
318 sdt_##prov##_##mod##_##func##_##name->id, \
319 (uintptr_t)arg0, (uintptr_t)arg1, (uintptr_t)arg2, \
320 (uintptr_t)arg3, (uintptr_t)arg4, (uintptr_t)arg5);\
322 #define SDT_PROBE7(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4, arg5, \
325 if (sdt_##prov##_##mod##_##func##_##name->id) \
326 (*(void (*)(uint32_t, uintptr_t, uintptr_t, uintptr_t, \
327 uintptr_t, uintptr_t, uintptr_t, uintptr_t)) \
329 sdt_##prov##_##mod##_##func##_##name->id, \
330 (uintptr_t)arg0, (uintptr_t)arg1, (uintptr_t)arg2, \
331 (uintptr_t)arg3, (uintptr_t)arg4, (uintptr_t)arg5, \
335 #define DTRACE_PROBE_IMPL_START(name, arg0, arg1, arg2, arg3, arg4) do { \
336 static SDT_PROBE_DEFINE(sdt, , , name); \
337 SDT_PROBE(sdt, , , name, arg0, arg1, arg2, arg3, arg4);
338 #define DTRACE_PROBE_IMPL_END } while (0)
340 #define DTRACE_PROBE(name) \
341 DTRACE_PROBE_IMPL_START(name, 0, 0, 0, 0, 0) \
342 DTRACE_PROBE_IMPL_END
344 #define DTRACE_PROBE1(name, type0, arg0) \
345 DTRACE_PROBE_IMPL_START(name, arg0, 0, 0, 0, 0) \
346 SDT_PROBE_ARGTYPE(sdt, , , name, 0, #type0, NULL); \
347 DTRACE_PROBE_IMPL_END
349 #define DTRACE_PROBE2(name, type0, arg0, type1, arg1) \
350 DTRACE_PROBE_IMPL_START(name, arg0, arg1, 0, 0, 0) \
351 SDT_PROBE_ARGTYPE(sdt, , , name, 0, #type0, NULL); \
352 SDT_PROBE_ARGTYPE(sdt, , , name, 1, #type1, NULL); \
353 DTRACE_PROBE_IMPL_END
355 #define DTRACE_PROBE3(name, type0, arg0, type1, arg1, type2, arg2) \
356 DTRACE_PROBE_IMPL_START(name, arg0, arg1, arg2, 0, 0) \
357 SDT_PROBE_ARGTYPE(sdt, , , name, 0, #type0, NULL); \
358 SDT_PROBE_ARGTYPE(sdt, , , name, 1, #type1, NULL); \
359 SDT_PROBE_ARGTYPE(sdt, , , name, 2, #type2, NULL); \
360 DTRACE_PROBE_IMPL_END
362 #define DTRACE_PROBE4(name, type0, arg0, type1, arg1, type2, arg2, type3, arg3) \
363 DTRACE_PROBE_IMPL_START(name, arg0, arg1, arg2, arg3, 0) \
364 SDT_PROBE_ARGTYPE(sdt, , , name, 0, #type0, NULL); \
365 SDT_PROBE_ARGTYPE(sdt, , , name, 1, #type1, NULL); \
366 SDT_PROBE_ARGTYPE(sdt, , , name, 2, #type2, NULL); \
367 SDT_PROBE_ARGTYPE(sdt, , , name, 3, #type3, NULL); \
368 DTRACE_PROBE_IMPL_END
370 #define DTRACE_PROBE5(name, type0, arg0, type1, arg1, type2, arg2, type3, arg3, \
372 DTRACE_PROBE_IMPL_START(name, arg0, arg1, arg2, arg3, arg4) \
373 SDT_PROBE_ARGTYPE(sdt, , , name, 0, #type0, NULL); \
374 SDT_PROBE_ARGTYPE(sdt, , , name, 1, #type1, NULL); \
375 SDT_PROBE_ARGTYPE(sdt, , , name, 2, #type2, NULL); \
376 SDT_PROBE_ARGTYPE(sdt, , , name, 3, #type3, NULL); \
377 SDT_PROBE_ARGTYPE(sdt, , , name, 4, #type4, NULL); \
378 DTRACE_PROBE_IMPL_END
380 #endif /* KDTRACE_HOOKS */
383 * This type definition must match that of dtrace_probe. It is defined this
384 * way to avoid having to rely on CDDL code.
386 typedef void (*sdt_probe_func_t)(uint32_t, uintptr_t arg0, uintptr_t arg1,
387 uintptr_t arg2, uintptr_t arg3, uintptr_t arg4);
390 * The 'sdt' provider will set it to dtrace_probe when it loads.
392 extern sdt_probe_func_t sdt_probe_func;
399 int ndx; /* Argument index. */
400 const char *type; /* Argument type string. */
401 const char *xtype; /* Translated argument type. */
402 TAILQ_ENTRY(sdt_argtype)
403 argtype_entry; /* Argument type list entry. */
404 struct sdt_probe *probe; /* Ptr to the probe structure. */
408 int version; /* Set to sizeof(struct sdt_probe). */
409 struct sdt_provider *prov; /* Ptr to the provider structure. */
410 TAILQ_ENTRY(sdt_probe)
411 probe_entry; /* SDT probe list entry. */
412 TAILQ_HEAD(, sdt_argtype) argtype_list;
416 id_t id; /* DTrace probe ID. */
417 int n_args; /* Number of arguments. */
418 struct linker_file *sdtp_lf; /* Module in which we're defined. */
421 struct sdt_provider {
422 char *name; /* Provider name. */
423 TAILQ_ENTRY(sdt_provider)
424 prov_entry; /* SDT provider list entry. */
425 uintptr_t id; /* DTrace provider ID. */
426 int sdt_refs; /* Number of module references. */
429 void sdt_probe_stub(uint32_t, uintptr_t, uintptr_t, uintptr_t, uintptr_t,
432 SDT_PROVIDER_DECLARE(sdt);
436 #endif /* _SYS_SDT_H */