2 * Copyright 2006-2008 John Birrell <jb@FreeBSD.org>
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
13 * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16 * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22 * 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_PROVIDER_DEFINE(prov)
88 #define SDT_PROVIDER_DECLARE(prov)
89 #define SDT_PROBE_DEFINE(prov, mod, func, name)
90 #define SDT_PROBE_DECLARE(prov, mod, func, name)
91 #define SDT_PROBE(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4)
92 #define SDT_PROBE_ARGTYPE(prov, mod, func, name, num, type, xtype)
94 #define SDT_PROBE_DEFINE0(prov, mod, func, name)
95 #define SDT_PROBE_DEFINE1(prov, mod, func, name, arg0)
96 #define SDT_PROBE_DEFINE2(prov, mod, func, name, arg0, arg1)
97 #define SDT_PROBE_DEFINE3(prov, mod, func, name, arg0, arg1, arg2)
98 #define SDT_PROBE_DEFINE4(prov, mod, func, name, arg0, arg1, arg2, arg3)
99 #define SDT_PROBE_DEFINE5(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4)
100 #define SDT_PROBE_DEFINE6(prov, mod, func, name, arg0, arg1, arg2, \
102 #define SDT_PROBE_DEFINE7(prov, mod, func, name, arg0, arg1, arg2, \
103 arg3, arg4, arg5, arg6)
105 #define SDT_PROBE0(prov, mod, func, name)
106 #define SDT_PROBE1(prov, mod, func, name, arg0)
107 #define SDT_PROBE2(prov, mod, func, name, arg0, arg1)
108 #define SDT_PROBE3(prov, mod, func, name, arg0, arg1, arg2)
109 #define SDT_PROBE4(prov, mod, func, name, arg0, arg1, arg2, arg3)
110 #define SDT_PROBE5(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4)
111 #define SDT_PROBE6(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4, arg5)
112 #define SDT_PROBE7(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4, arg5, \
115 #define SDT_PROBE_DEFINE0_XLATE(prov, mod, func, name)
116 #define SDT_PROBE_DEFINE1_XLATE(prov, mod, func, name, arg0, xarg0)
117 #define SDT_PROBE_DEFINE2_XLATE(prov, mod, func, name, arg0, xarg0, \
119 #define SDT_PROBE_DEFINE3_XLATE(prov, mod, func, name, arg0, xarg0, \
120 arg1, xarg1, arg2, xarg2)
121 #define SDT_PROBE_DEFINE4_XLATE(prov, mod, func, name, arg0, xarg0, \
122 arg1, xarg1, arg2, xarg2, arg3, xarg3)
123 #define SDT_PROBE_DEFINE5_XLATE(prov, mod, func, name, arg0, xarg0, \
124 arg1, xarg1, arg2, xarg2, arg3, xarg3, arg4, xarg4)
125 #define SDT_PROBE_DEFINE6_XLATE(prov, mod, func, name, arg0, xarg0, \
126 arg1, xarg1, arg2, xarg2, arg3, xarg3, arg4, xarg4, arg5, xarg5)
127 #define SDT_PROBE_DEFINE7_XLATE(prov, mod, func, name, arg0, xarg0, \
128 arg1, xarg1, arg2, xarg2, arg3, xarg3, arg4, xarg4, arg5, xarg5, arg6, \
131 #define DTRACE_PROBE(name)
132 #define DTRACE_PROBE1(name, type0, arg0)
133 #define DTRACE_PROBE2(name, type0, arg0, type1, arg1)
134 #define DTRACE_PROBE3(name, type0, arg0, type1, arg1, type2, arg2)
135 #define DTRACE_PROBE4(name, type0, arg0, type1, arg1, type2, arg2, type3, arg3)
136 #define DTRACE_PROBE5(name, type0, arg0, type1, arg1, type2, arg2, type3, arg3,\
141 SET_DECLARE(sdt_providers_set, struct sdt_provider);
142 SET_DECLARE(sdt_probes_set, struct sdt_probe);
143 SET_DECLARE(sdt_argtypes_set, struct sdt_argtype);
145 #define SDT_PROVIDER_DEFINE(prov) \
146 struct sdt_provider sdt_provider_##prov[1] = { \
147 { #prov, { NULL, NULL }, 0, 0 } \
149 DATA_SET(sdt_providers_set, sdt_provider_##prov);
151 #define SDT_PROVIDER_DECLARE(prov) \
152 extern struct sdt_provider sdt_provider_##prov[1]
154 #define SDT_PROBE_DEFINE(prov, mod, func, name) \
155 struct sdt_probe sdt_##prov##_##mod##_##func##_##name[1] = { \
156 { sizeof(struct sdt_probe), sdt_provider_##prov, \
157 { NULL, NULL }, { NULL, NULL }, #mod, #func, #name, 0, 0, \
160 DATA_SET(sdt_probes_set, sdt_##prov##_##mod##_##func##_##name);
162 #define SDT_PROBE_DECLARE(prov, mod, func, name) \
163 extern struct sdt_probe sdt_##prov##_##mod##_##func##_##name[1]
165 #define SDT_PROBE(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4) do { \
166 if (__predict_false(sdt_probes_enabled)) { \
167 if (__predict_false(sdt_##prov##_##mod##_##func##_##name->id)) \
168 (*sdt_probe_func)(sdt_##prov##_##mod##_##func##_##name->id, \
169 (uintptr_t) arg0, (uintptr_t) arg1, (uintptr_t) arg2, \
170 (uintptr_t) arg3, (uintptr_t) arg4); \
174 #define SDT_PROBE_ARGTYPE(prov, mod, func, name, num, type, xtype) \
175 static struct sdt_argtype sdta_##prov##_##mod##_##func##_##name##num[1] \
176 = { { num, type, xtype, { NULL, NULL }, \
177 sdt_##prov##_##mod##_##func##_##name } \
179 DATA_SET(sdt_argtypes_set, sdta_##prov##_##mod##_##func##_##name##num);
181 #define SDT_PROBE_DEFINE0(prov, mod, func, name) \
182 SDT_PROBE_DEFINE(prov, mod, func, name)
184 #define SDT_PROBE_DEFINE1(prov, mod, func, name, arg0) \
185 SDT_PROBE_DEFINE(prov, mod, func, name); \
186 SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, NULL)
188 #define SDT_PROBE_DEFINE2(prov, mod, func, name, arg0, arg1) \
189 SDT_PROBE_DEFINE(prov, mod, func, name); \
190 SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, NULL); \
191 SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, NULL)
193 #define SDT_PROBE_DEFINE3(prov, mod, func, name, arg0, arg1, arg2)\
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); \
197 SDT_PROBE_ARGTYPE(prov, mod, func, name, 2, arg2, NULL)
199 #define SDT_PROBE_DEFINE4(prov, mod, func, name, arg0, arg1, arg2, arg3) \
200 SDT_PROBE_DEFINE(prov, mod, func, name); \
201 SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, NULL); \
202 SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, NULL); \
203 SDT_PROBE_ARGTYPE(prov, mod, func, name, 2, arg2, NULL); \
204 SDT_PROBE_ARGTYPE(prov, mod, func, name, 3, arg3, NULL)
206 #define SDT_PROBE_DEFINE5(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4) \
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); \
212 SDT_PROBE_ARGTYPE(prov, mod, func, name, 4, arg4, NULL)
214 #define SDT_PROBE_DEFINE6(prov, mod, func, name, arg0, arg1, arg2, arg3,\
216 SDT_PROBE_DEFINE(prov, mod, func, name); \
217 SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, NULL); \
218 SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, NULL); \
219 SDT_PROBE_ARGTYPE(prov, mod, func, name, 2, arg2, NULL); \
220 SDT_PROBE_ARGTYPE(prov, mod, func, name, 3, arg3, NULL); \
221 SDT_PROBE_ARGTYPE(prov, mod, func, name, 4, arg4, NULL); \
222 SDT_PROBE_ARGTYPE(prov, mod, func, name, 5, arg5, NULL)
224 #define SDT_PROBE_DEFINE7(prov, mod, func, name, arg0, arg1, arg2, arg3,\
226 SDT_PROBE_DEFINE(prov, mod, func, name); \
227 SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, NULL); \
228 SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, NULL); \
229 SDT_PROBE_ARGTYPE(prov, mod, func, name, 2, arg2, NULL); \
230 SDT_PROBE_ARGTYPE(prov, mod, func, name, 3, arg3, NULL); \
231 SDT_PROBE_ARGTYPE(prov, mod, func, name, 4, arg4, NULL); \
232 SDT_PROBE_ARGTYPE(prov, mod, func, name, 5, arg5, NULL); \
233 SDT_PROBE_ARGTYPE(prov, mod, func, name, 6, arg6, NULL)
235 #define SDT_PROBE_DEFINE0_XLATE(prov, mod, func, name) \
236 SDT_PROBE_DEFINE(prov, mod, func, name)
238 #define SDT_PROBE_DEFINE1_XLATE(prov, mod, func, name, arg0, xarg0) \
239 SDT_PROBE_DEFINE(prov, mod, func, name); \
240 SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, xarg0)
242 #define SDT_PROBE_DEFINE2_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); \
246 SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, xarg1)
248 #define SDT_PROBE_DEFINE3_XLATE(prov, mod, func, name, arg0, xarg0, \
249 arg1, xarg1, arg2, xarg2) \
250 SDT_PROBE_DEFINE(prov, mod, func, name); \
251 SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, xarg0); \
252 SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, xarg1); \
253 SDT_PROBE_ARGTYPE(prov, mod, func, name, 2, arg2, xarg2)
255 #define SDT_PROBE_DEFINE4_XLATE(prov, mod, func, name, arg0, xarg0, \
256 arg1, xarg1, arg2, xarg2, arg3, xarg3) \
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); \
261 SDT_PROBE_ARGTYPE(prov, mod, func, name, 3, arg3, xarg3)
263 #define SDT_PROBE_DEFINE5_XLATE(prov, mod, func, name, arg0, xarg0, \
264 arg1, xarg1, arg2, xarg2, arg3, xarg3, arg4, xarg4) \
265 SDT_PROBE_DEFINE(prov, mod, func, name); \
266 SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, xarg0); \
267 SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, xarg1); \
268 SDT_PROBE_ARGTYPE(prov, mod, func, name, 2, arg2, xarg2); \
269 SDT_PROBE_ARGTYPE(prov, mod, func, name, 3, arg3, xarg3); \
270 SDT_PROBE_ARGTYPE(prov, mod, func, name, 4, arg4, xarg4)
272 #define SDT_PROBE_DEFINE6_XLATE(prov, mod, func, name, arg0, xarg0, \
273 arg1, xarg1, arg2, xarg2, arg3, xarg3, arg4, xarg4, arg5, xarg5) \
274 SDT_PROBE_DEFINE(prov, mod, func, name); \
275 SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, xarg0); \
276 SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, xarg1); \
277 SDT_PROBE_ARGTYPE(prov, mod, func, name, 2, arg2, xarg2); \
278 SDT_PROBE_ARGTYPE(prov, mod, func, name, 3, arg3, xarg3); \
279 SDT_PROBE_ARGTYPE(prov, mod, func, name, 4, arg4, xarg4); \
280 SDT_PROBE_ARGTYPE(prov, mod, func, name, 5, arg5, xarg5)
282 #define SDT_PROBE_DEFINE7_XLATE(prov, mod, func, name, arg0, xarg0, \
283 arg1, xarg1, arg2, xarg2, arg3, xarg3, arg4, xarg4, arg5, xarg5, arg6, \
285 SDT_PROBE_DEFINE(prov, mod, func, name); \
286 SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, xarg0); \
287 SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, xarg1); \
288 SDT_PROBE_ARGTYPE(prov, mod, func, name, 2, arg2, xarg2); \
289 SDT_PROBE_ARGTYPE(prov, mod, func, name, 3, arg3, xarg3); \
290 SDT_PROBE_ARGTYPE(prov, mod, func, name, 4, arg4, xarg4); \
291 SDT_PROBE_ARGTYPE(prov, mod, func, name, 5, arg5, xarg5); \
292 SDT_PROBE_ARGTYPE(prov, mod, func, name, 6, arg6, xarg6)
294 #define SDT_PROBE0(prov, mod, func, name) \
295 SDT_PROBE(prov, mod, func, name, 0, 0, 0, 0, 0)
296 #define SDT_PROBE1(prov, mod, func, name, arg0) \
297 SDT_PROBE(prov, mod, func, name, arg0, 0, 0, 0, 0)
298 #define SDT_PROBE2(prov, mod, func, name, arg0, arg1) \
299 SDT_PROBE(prov, mod, func, name, arg0, arg1, 0, 0, 0)
300 #define SDT_PROBE3(prov, mod, func, name, arg0, arg1, arg2) \
301 SDT_PROBE(prov, mod, func, name, arg0, arg1, arg2, 0, 0)
302 #define SDT_PROBE4(prov, mod, func, name, arg0, arg1, arg2, arg3) \
303 SDT_PROBE(prov, mod, func, name, arg0, arg1, arg2, arg3, 0)
304 #define SDT_PROBE5(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4) \
305 SDT_PROBE(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4)
306 #define SDT_PROBE6(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4, arg5) \
308 if (sdt_##prov##_##mod##_##func##_##name->id) \
309 (*(void (*)(uint32_t, uintptr_t, uintptr_t, uintptr_t, \
310 uintptr_t, uintptr_t, uintptr_t))sdt_probe_func)( \
311 sdt_##prov##_##mod##_##func##_##name->id, \
312 (uintptr_t)arg0, (uintptr_t)arg1, (uintptr_t)arg2, \
313 (uintptr_t)arg3, (uintptr_t)arg4, (uintptr_t)arg5);\
315 #define SDT_PROBE7(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4, arg5, \
318 if (sdt_##prov##_##mod##_##func##_##name->id) \
319 (*(void (*)(uint32_t, uintptr_t, uintptr_t, uintptr_t, \
320 uintptr_t, uintptr_t, uintptr_t, uintptr_t)) \
322 sdt_##prov##_##mod##_##func##_##name->id, \
323 (uintptr_t)arg0, (uintptr_t)arg1, (uintptr_t)arg2, \
324 (uintptr_t)arg3, (uintptr_t)arg4, (uintptr_t)arg5, \
328 #define DTRACE_PROBE_IMPL_START(name, arg0, arg1, arg2, arg3, arg4) do { \
329 static SDT_PROBE_DEFINE(sdt, , , name); \
330 SDT_PROBE(sdt, , , name, arg0, arg1, arg2, arg3, arg4);
331 #define DTRACE_PROBE_IMPL_END } while (0)
333 #define DTRACE_PROBE(name) \
334 DTRACE_PROBE_IMPL_START(name, 0, 0, 0, 0, 0) \
335 DTRACE_PROBE_IMPL_END
337 #define DTRACE_PROBE1(name, type0, arg0) \
338 DTRACE_PROBE_IMPL_START(name, arg0, 0, 0, 0, 0) \
339 SDT_PROBE_ARGTYPE(sdt, , , name, 0, #type0, NULL); \
340 DTRACE_PROBE_IMPL_END
342 #define DTRACE_PROBE2(name, type0, arg0, type1, arg1) \
343 DTRACE_PROBE_IMPL_START(name, arg0, arg1, 0, 0, 0) \
344 SDT_PROBE_ARGTYPE(sdt, , , name, 0, #type0, NULL); \
345 SDT_PROBE_ARGTYPE(sdt, , , name, 1, #type1, NULL); \
346 DTRACE_PROBE_IMPL_END
348 #define DTRACE_PROBE3(name, type0, arg0, type1, arg1, type2, arg2) \
349 DTRACE_PROBE_IMPL_START(name, arg0, arg1, arg2, 0, 0) \
350 SDT_PROBE_ARGTYPE(sdt, , , name, 0, #type0, NULL); \
351 SDT_PROBE_ARGTYPE(sdt, , , name, 1, #type1, NULL); \
352 SDT_PROBE_ARGTYPE(sdt, , , name, 2, #type2, NULL); \
353 DTRACE_PROBE_IMPL_END
355 #define DTRACE_PROBE4(name, type0, arg0, type1, arg1, type2, arg2, type3, arg3) \
356 DTRACE_PROBE_IMPL_START(name, arg0, arg1, arg2, arg3, 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 SDT_PROBE_ARGTYPE(sdt, , , name, 3, #type3, NULL); \
361 DTRACE_PROBE_IMPL_END
363 #define DTRACE_PROBE5(name, type0, arg0, type1, arg1, type2, arg2, type3, arg3, \
365 DTRACE_PROBE_IMPL_START(name, arg0, arg1, arg2, arg3, arg4) \
366 SDT_PROBE_ARGTYPE(sdt, , , name, 0, #type0, NULL); \
367 SDT_PROBE_ARGTYPE(sdt, , , name, 1, #type1, NULL); \
368 SDT_PROBE_ARGTYPE(sdt, , , name, 2, #type2, NULL); \
369 SDT_PROBE_ARGTYPE(sdt, , , name, 3, #type3, NULL); \
370 SDT_PROBE_ARGTYPE(sdt, , , name, 4, #type4, NULL); \
371 DTRACE_PROBE_IMPL_END
373 #endif /* KDTRACE_HOOKS */
376 * This type definition must match that of dtrace_probe. It is defined this
377 * way to avoid having to rely on CDDL code.
379 typedef void (*sdt_probe_func_t)(uint32_t, uintptr_t arg0, uintptr_t arg1,
380 uintptr_t arg2, uintptr_t arg3, uintptr_t arg4);
383 * The 'sdt' provider will set it to dtrace_probe when it loads.
385 extern sdt_probe_func_t sdt_probe_func;
392 int ndx; /* Argument index. */
393 const char *type; /* Argument type string. */
394 const char *xtype; /* Translated argument type. */
395 TAILQ_ENTRY(sdt_argtype)
396 argtype_entry; /* Argument type list entry. */
397 struct sdt_probe *probe; /* Ptr to the probe structure. */
401 int version; /* Set to sizeof(struct sdt_probe). */
402 struct sdt_provider *prov; /* Ptr to the provider structure. */
403 TAILQ_ENTRY(sdt_probe)
404 probe_entry; /* SDT probe list entry. */
405 TAILQ_HEAD(, sdt_argtype) argtype_list;
409 id_t id; /* DTrace probe ID. */
410 int n_args; /* Number of arguments. */
411 struct linker_file *sdtp_lf; /* Module in which we're defined. */
414 struct sdt_provider {
415 char *name; /* Provider name. */
416 TAILQ_ENTRY(sdt_provider)
417 prov_entry; /* SDT provider list entry. */
418 uintptr_t id; /* DTrace provider ID. */
419 int sdt_refs; /* Number of module references. */
422 void sdt_probe_stub(uint32_t, uintptr_t, uintptr_t, uintptr_t, uintptr_t,
425 SDT_PROVIDER_DECLARE(sdt);
429 #endif /* _SYS_SDT_H */