1 /*- 2 * Copyright 2006-2008 John Birrell <jb@FreeBSD.org> 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 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. 12 * 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 23 * SUCH DAMAGE. 24 * 25 * $FreeBSD$ 26 * 27 * Statically Defined Tracing (SDT) definitions. 28 * 29 */ 30 31 #ifndef _SYS_SDT_H 32 #define _SYS_SDT_H 33 34 #ifndef _KERNEL 35 36 #define _DTRACE_VERSION 1 37 38 #define DTRACE_PROBE(prov, name) { \ 39 extern void __dtrace_##prov##___##name(void); \ 40 __dtrace_##prov##___##name(); \ 41 } 42 43 #define DTRACE_PROBE1(prov, name, arg1) { \ 44 extern void __dtrace_##prov##___##name(unsigned long); \ 45 __dtrace_##prov##___##name((unsigned long)arg1); \ 46 } 47 48 #define DTRACE_PROBE2(prov, name, arg1, arg2) { \ 49 extern void __dtrace_##prov##___##name(unsigned long, \ 50 unsigned long); \ 51 __dtrace_##prov##___##name((unsigned long)arg1, \ 52 (unsigned long)arg2); \ 53 } 54 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); \ 60 } 61 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); \ 68 } 69 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); \ 76 } 77 78 #else /* _KERNEL */ 79 80 #include <sys/cdefs.h> 81 #include <sys/linker_set.h> 82 83 #ifndef KDTRACE_HOOKS 84 85 #define SDT_PROVIDER_DEFINE(prov) 86 #define SDT_PROVIDER_DECLARE(prov) 87 #define SDT_PROBE_DEFINE(prov, mod, func, name) 88 #define SDT_PROBE_DECLARE(prov, mod, func, name) 89 #define SDT_PROBE(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4) 90 #define SDT_PROBE_ARGTYPE(prov, mod, func, name, num, type, xtype) 91 92 #define SDT_PROBE_DEFINE0(prov, mod, func, name) 93 #define SDT_PROBE_DEFINE1(prov, mod, func, name, arg0) 94 #define SDT_PROBE_DEFINE2(prov, mod, func, name, arg0, arg1) 95 #define SDT_PROBE_DEFINE3(prov, mod, func, name, arg0, arg1, arg2) 96 #define SDT_PROBE_DEFINE4(prov, mod, func, name, arg0, arg1, arg2, arg3) 97 #define SDT_PROBE_DEFINE5(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4) 98 #define SDT_PROBE_DEFINE6(prov, mod, func, name, arg0, arg1, arg2, \ 99 arg3, arg4, arg5) 100 #define SDT_PROBE_DEFINE7(prov, mod, func, name, arg0, arg1, arg2, \ 101 arg3, arg4, arg5, arg6) 102 103 #define SDT_PROBE0(prov, mod, func, name) 104 #define SDT_PROBE1(prov, mod, func, name, arg0) 105 #define SDT_PROBE2(prov, mod, func, name, arg0, arg1) 106 #define SDT_PROBE3(prov, mod, func, name, arg0, arg1, arg2) 107 #define SDT_PROBE4(prov, mod, func, name, arg0, arg1, arg2, arg3) 108 #define SDT_PROBE5(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4) 109 #define SDT_PROBE6(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4, arg5) 110 #define SDT_PROBE7(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4, arg5, \ 111 arg6) 112 113 #define SDT_PROBE_DEFINE0_XLATE(prov, mod, func, name) 114 #define SDT_PROBE_DEFINE1_XLATE(prov, mod, func, name, arg0, xarg0) 115 #define SDT_PROBE_DEFINE2_XLATE(prov, mod, func, name, arg0, xarg0, \ 116 arg1, xarg1) 117 #define SDT_PROBE_DEFINE3_XLATE(prov, mod, func, name, arg0, xarg0, \ 118 arg1, xarg1, arg2, xarg2) 119 #define SDT_PROBE_DEFINE4_XLATE(prov, mod, func, name, arg0, xarg0, \ 120 arg1, xarg1, arg2, xarg2, arg3, xarg3) 121 #define SDT_PROBE_DEFINE5_XLATE(prov, mod, func, name, arg0, xarg0, \ 122 arg1, xarg1, arg2, xarg2, arg3, xarg3, arg4, xarg4) 123 #define SDT_PROBE_DEFINE6_XLATE(prov, mod, func, name, arg0, xarg0, \ 124 arg1, xarg1, arg2, xarg2, arg3, xarg3, arg4, xarg4, arg5, xarg5) 125 #define SDT_PROBE_DEFINE7_XLATE(prov, mod, func, name, arg0, xarg0, \ 126 arg1, xarg1, arg2, xarg2, arg3, xarg3, arg4, xarg4, arg5, xarg5, arg6, \ 127 xarg6) 128 129 #define DTRACE_PROBE(name) 130 #define DTRACE_PROBE1(name, type0, arg0) 131 #define DTRACE_PROBE2(name, type0, arg0, type1, arg1) 132 #define DTRACE_PROBE3(name, type0, arg0, type1, arg1, type2, arg2) 133 #define DTRACE_PROBE4(name, type0, arg0, type1, arg1, type2, arg2, type3, arg3) 134 #define DTRACE_PROBE5(name, type0, arg0, type1, arg1, type2, arg2, type3, arg3,\ 135 type4, arg4) 136 137 #else 138 139 SET_DECLARE(sdt_providers_set, struct sdt_provider); 140 SET_DECLARE(sdt_probes_set, struct sdt_probe); 141 SET_DECLARE(sdt_argtypes_set, struct sdt_argtype); 142 143 #define SDT_PROVIDER_DEFINE(prov) \ 144 struct sdt_provider sdt_provider_##prov[1] = { \ 145 { #prov, { NULL, NULL }, 0, 0 } \ 146 }; \ 147 DATA_SET(sdt_providers_set, sdt_provider_##prov); 148 149 #define SDT_PROVIDER_DECLARE(prov) \ 150 extern struct sdt_provider sdt_provider_##prov[1] 151 152 #define SDT_PROBE_DEFINE(prov, mod, func, name) \ 153 struct sdt_probe sdt_##prov##_##mod##_##func##_##name[1] = { \ 154 { sizeof(struct sdt_probe), sdt_provider_##prov, \ 155 { NULL, NULL }, { NULL, NULL }, #mod, #func, #name, 0, 0, \ 156 NULL } \ 157 }; \ 158 DATA_SET(sdt_probes_set, sdt_##prov##_##mod##_##func##_##name); 159 160 #define SDT_PROBE_DECLARE(prov, mod, func, name) \ 161 extern struct sdt_probe sdt_##prov##_##mod##_##func##_##name[1] 162 163 #define SDT_PROBE(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4) do { \ 164 if (sdt_##prov##_##mod##_##func##_##name->id) \ 165 (*sdt_probe_func)(sdt_##prov##_##mod##_##func##_##name->id, \ 166 (uintptr_t) arg0, (uintptr_t) arg1, (uintptr_t) arg2, \ 167 (uintptr_t) arg3, (uintptr_t) arg4); \ 168 } while (0) 169 170 #define SDT_PROBE_ARGTYPE(prov, mod, func, name, num, type, xtype) \ 171 static struct sdt_argtype sdta_##prov##_##mod##_##func##_##name##num[1] \ 172 = { { num, type, xtype, { NULL, NULL }, \ 173 sdt_##prov##_##mod##_##func##_##name } \ 174 }; \ 175 DATA_SET(sdt_argtypes_set, sdta_##prov##_##mod##_##func##_##name##num); 176 177 #define SDT_PROBE_DEFINE0(prov, mod, func, name) \ 178 SDT_PROBE_DEFINE(prov, mod, func, name) 179 180 #define SDT_PROBE_DEFINE1(prov, mod, func, name, arg0) \ 181 SDT_PROBE_DEFINE(prov, mod, func, name); \ 182 SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, NULL) 183 184 #define SDT_PROBE_DEFINE2(prov, mod, func, name, arg0, arg1) \ 185 SDT_PROBE_DEFINE(prov, mod, func, name); \ 186 SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, NULL); \ 187 SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, NULL) 188 189 #define SDT_PROBE_DEFINE3(prov, mod, func, name, arg0, arg1, arg2)\ 190 SDT_PROBE_DEFINE(prov, mod, func, name); \ 191 SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, NULL); \ 192 SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, NULL); \ 193 SDT_PROBE_ARGTYPE(prov, mod, func, name, 2, arg2, NULL) 194 195 #define SDT_PROBE_DEFINE4(prov, mod, func, name, arg0, arg1, arg2, arg3) \ 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); \ 200 SDT_PROBE_ARGTYPE(prov, mod, func, name, 3, arg3, NULL) 201 202 #define SDT_PROBE_DEFINE5(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4) \ 203 SDT_PROBE_DEFINE(prov, mod, func, name); \ 204 SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, NULL); \ 205 SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, NULL); \ 206 SDT_PROBE_ARGTYPE(prov, mod, func, name, 2, arg2, NULL); \ 207 SDT_PROBE_ARGTYPE(prov, mod, func, name, 3, arg3, NULL); \ 208 SDT_PROBE_ARGTYPE(prov, mod, func, name, 4, arg4, NULL) 209 210 #define SDT_PROBE_DEFINE6(prov, mod, func, name, arg0, arg1, arg2, arg3,\ 211 arg4, arg5) \ 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); \ 218 SDT_PROBE_ARGTYPE(prov, mod, func, name, 5, arg5, NULL) 219 220 #define SDT_PROBE_DEFINE7(prov, mod, func, name, arg0, arg1, arg2, arg3,\ 221 arg4, arg5, arg6) \ 222 SDT_PROBE_DEFINE(prov, mod, func, name); \ 223 SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, NULL); \ 224 SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, NULL); \ 225 SDT_PROBE_ARGTYPE(prov, mod, func, name, 2, arg2, NULL); \ 226 SDT_PROBE_ARGTYPE(prov, mod, func, name, 3, arg3, NULL); \ 227 SDT_PROBE_ARGTYPE(prov, mod, func, name, 4, arg4, NULL); \ 228 SDT_PROBE_ARGTYPE(prov, mod, func, name, 5, arg5, NULL); \ 229 SDT_PROBE_ARGTYPE(prov, mod, func, name, 6, arg6, NULL) 230 231 #define SDT_PROBE_DEFINE0_XLATE(prov, mod, func, name) \ 232 SDT_PROBE_DEFINE(prov, mod, func, name) 233 234 #define SDT_PROBE_DEFINE1_XLATE(prov, mod, func, name, arg0, xarg0) \ 235 SDT_PROBE_DEFINE(prov, mod, func, name); \ 236 SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, xarg0) 237 238 #define SDT_PROBE_DEFINE2_XLATE(prov, mod, func, name, arg0, xarg0, \ 239 arg1, xarg1) \ 240 SDT_PROBE_DEFINE(prov, mod, func, name); \ 241 SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, xarg0); \ 242 SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, xarg1) 243 244 #define SDT_PROBE_DEFINE3_XLATE(prov, mod, func, name, arg0, xarg0, \ 245 arg1, xarg1, arg2, xarg2) \ 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); \ 249 SDT_PROBE_ARGTYPE(prov, mod, func, name, 2, arg2, xarg2) 250 251 #define SDT_PROBE_DEFINE4_XLATE(prov, mod, func, name, arg0, xarg0, \ 252 arg1, xarg1, arg2, xarg2, arg3, xarg3) \ 253 SDT_PROBE_DEFINE(prov, mod, func, name); \ 254 SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, xarg0); \ 255 SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, xarg1); \ 256 SDT_PROBE_ARGTYPE(prov, mod, func, name, 2, arg2, xarg2); \ 257 SDT_PROBE_ARGTYPE(prov, mod, func, name, 3, arg3, xarg3) 258 259 #define SDT_PROBE_DEFINE5_XLATE(prov, mod, func, name, arg0, xarg0, \ 260 arg1, xarg1, arg2, xarg2, arg3, xarg3, arg4, xarg4) \ 261 SDT_PROBE_DEFINE(prov, mod, func, name); \ 262 SDT_PROBE_ARGTYPE(prov, mod, func, name, 0, arg0, xarg0); \ 263 SDT_PROBE_ARGTYPE(prov, mod, func, name, 1, arg1, xarg1); \ 264 SDT_PROBE_ARGTYPE(prov, mod, func, name, 2, arg2, xarg2); \ 265 SDT_PROBE_ARGTYPE(prov, mod, func, name, 3, arg3, xarg3); \ 266 SDT_PROBE_ARGTYPE(prov, mod, func, name, 4, arg4, xarg4) 267 268 #define SDT_PROBE_DEFINE6_XLATE(prov, mod, func, name, arg0, xarg0, \ 269 arg1, xarg1, arg2, xarg2, arg3, xarg3, arg4, xarg4, arg5, xarg5) \ 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); \ 276 SDT_PROBE_ARGTYPE(prov, mod, func, name, 5, arg5, xarg5) 277 278 #define SDT_PROBE_DEFINE7_XLATE(prov, mod, func, name, arg0, xarg0, \ 279 arg1, xarg1, arg2, xarg2, arg3, xarg3, arg4, xarg4, arg5, xarg5, arg6, \ 280 xarg6) \ 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); \ 288 SDT_PROBE_ARGTYPE(prov, mod, func, name, 6, arg6, xarg6) 289 290 #define SDT_PROBE0(prov, mod, func, name) \ 291 SDT_PROBE(prov, mod, func, name, 0, 0, 0, 0, 0) 292 #define SDT_PROBE1(prov, mod, func, name, arg0) \ 293 SDT_PROBE(prov, mod, func, name, arg0, 0, 0, 0, 0) 294 #define SDT_PROBE2(prov, mod, func, name, arg0, arg1) \ 295 SDT_PROBE(prov, mod, func, name, arg0, arg1, 0, 0, 0) 296 #define SDT_PROBE3(prov, mod, func, name, arg0, arg1, arg2) \ 297 SDT_PROBE(prov, mod, func, name, arg0, arg1, arg2, 0, 0) 298 #define SDT_PROBE4(prov, mod, func, name, arg0, arg1, arg2, arg3) \ 299 SDT_PROBE(prov, mod, func, name, arg0, arg1, arg2, arg3, 0) 300 #define SDT_PROBE5(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4) \ 301 SDT_PROBE(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4) 302 #define SDT_PROBE6(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4, arg5) \ 303 do { \ 304 if (sdt_##prov##_##mod##_##func##_##name->id) \ 305 (*(void (*)(uint32_t, uintptr_t, uintptr_t, uintptr_t, \ 306 uintptr_t, uintptr_t, uintptr_t))sdt_probe_func)( \ 307 sdt_##prov##_##mod##_##func##_##name->id, \ 308 (uintptr_t)arg0, (uintptr_t)arg1, (uintptr_t)arg2, \ 309 (uintptr_t)arg3, (uintptr_t)arg4, (uintptr_t)arg5);\ 310 } while (0) 311 #define SDT_PROBE7(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4, arg5, \ 312 arg6) \ 313 do { \ 314 if (sdt_##prov##_##mod##_##func##_##name->id) \ 315 (*(void (*)(uint32_t, uintptr_t, uintptr_t, uintptr_t, \ 316 uintptr_t, uintptr_t, uintptr_t, uintptr_t)) \ 317 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, \ 321 (uintptr_t)arg6); \ 322 } while (0) 323 324 #define DTRACE_PROBE_IMPL_START(name, arg0, arg1, arg2, arg3, arg4) do { \ 325 static SDT_PROBE_DEFINE(sdt, , , name); \ 326 SDT_PROBE(sdt, , , name, arg0, arg1, arg2, arg3, arg4); 327 #define DTRACE_PROBE_IMPL_END } while (0) 328 329 #define DTRACE_PROBE(name) \ 330 DTRACE_PROBE_IMPL_START(name, 0, 0, 0, 0, 0) \ 331 DTRACE_PROBE_IMPL_END 332 333 #define DTRACE_PROBE1(name, type0, arg0) \ 334 DTRACE_PROBE_IMPL_START(name, arg0, 0, 0, 0, 0) \ 335 SDT_PROBE_ARGTYPE(sdt, , , name, 0, #type0, NULL); \ 336 DTRACE_PROBE_IMPL_END 337 338 #define DTRACE_PROBE2(name, type0, arg0, type1, arg1) \ 339 DTRACE_PROBE_IMPL_START(name, arg0, arg1, 0, 0, 0) \ 340 SDT_PROBE_ARGTYPE(sdt, , , name, 0, #type0, NULL); \ 341 SDT_PROBE_ARGTYPE(sdt, , , name, 1, #type1, NULL); \ 342 DTRACE_PROBE_IMPL_END 343 344 #define DTRACE_PROBE3(name, type0, arg0, type1, arg1, type2, arg2) \ 345 DTRACE_PROBE_IMPL_START(name, arg0, arg1, arg2, 0, 0) \ 346 SDT_PROBE_ARGTYPE(sdt, , , name, 0, #type0, NULL); \ 347 SDT_PROBE_ARGTYPE(sdt, , , name, 1, #type1, NULL); \ 348 SDT_PROBE_ARGTYPE(sdt, , , name, 2, #type2, NULL); \ 349 DTRACE_PROBE_IMPL_END 350 351 #define DTRACE_PROBE4(name, type0, arg0, type1, arg1, type2, arg2, type3, arg3) \ 352 DTRACE_PROBE_IMPL_START(name, arg0, arg1, arg2, arg3, 0) \ 353 SDT_PROBE_ARGTYPE(sdt, , , name, 0, #type0, NULL); \ 354 SDT_PROBE_ARGTYPE(sdt, , , name, 1, #type1, NULL); \ 355 SDT_PROBE_ARGTYPE(sdt, , , name, 2, #type2, NULL); \ 356 SDT_PROBE_ARGTYPE(sdt, , , name, 3, #type3, NULL); \ 357 DTRACE_PROBE_IMPL_END 358 359 #define DTRACE_PROBE5(name, type0, arg0, type1, arg1, type2, arg2, type3, arg3, \ 360 type4, arg4) \ 361 DTRACE_PROBE_IMPL_START(name, arg0, arg1, arg2, arg3, arg4) \ 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 SDT_PROBE_ARGTYPE(sdt, , , name, 4, #type4, NULL); \ 367 DTRACE_PROBE_IMPL_END 368 369 #endif /* KDTRACE_HOOKS */ 370 371 /* 372 * This type definition must match that of dtrace_probe. It is defined this 373 * way to avoid having to rely on CDDL code. 374 */ 375 typedef void (*sdt_probe_func_t)(uint32_t, uintptr_t arg0, uintptr_t arg1, 376 uintptr_t arg2, uintptr_t arg3, uintptr_t arg4); 377 378 /* 379 * The 'sdt' provider will set it to dtrace_probe when it loads. 380 */ 381 extern sdt_probe_func_t sdt_probe_func; 382 383 struct sdt_probe; 384 struct sdt_provider; 385 struct linker_file; 386 387 struct sdt_argtype { 388 int ndx; /* Argument index. */ 389 const char *type; /* Argument type string. */ 390 const char *xtype; /* Translated argument type. */ 391 TAILQ_ENTRY(sdt_argtype) 392 argtype_entry; /* Argument type list entry. */ 393 struct sdt_probe *probe; /* Ptr to the probe structure. */ 394 }; 395 396 struct sdt_probe { 397 int version; /* Set to sizeof(struct sdt_probe). */ 398 struct sdt_provider *prov; /* Ptr to the provider structure. */ 399 TAILQ_ENTRY(sdt_probe) 400 probe_entry; /* SDT probe list entry. */ 401 TAILQ_HEAD(, sdt_argtype) argtype_list; 402 const char *mod; 403 const char *func; 404 const char *name; 405 id_t id; /* DTrace probe ID. */ 406 int n_args; /* Number of arguments. */ 407 struct linker_file *sdtp_lf; /* Module in which we're defined. */ 408 }; 409 410 struct sdt_provider { 411 char *name; /* Provider name. */ 412 TAILQ_ENTRY(sdt_provider) 413 prov_entry; /* SDT provider list entry. */ 414 uintptr_t id; /* DTrace provider ID. */ 415 int sdt_refs; /* Number of module references. */ 416 }; 417 418 void sdt_probe_stub(uint32_t, uintptr_t, uintptr_t, uintptr_t, uintptr_t, 419 uintptr_t); 420 421 SDT_PROVIDER_DECLARE(sdt); 422 423 #endif /* _KERNEL */ 424 425 #endif /* _SYS_SDT_H */ 426