| 1 | #ifndef _LTT_FACILITY_USER_GENERIC_H_ |
| 2 | #define _LTT_FACILITY_USER_GENERIC_H_ |
| 3 | |
| 4 | #include <sys/types.h> |
| 5 | #include <ltt/ltt-facility-id-user_generic.h> |
| 6 | #include <ltt/ltt-usertrace.h> |
| 7 | |
| 8 | /* Named types */ |
| 9 | |
| 10 | /* Event string structures */ |
| 11 | static inline void lttng_write_string_user_generic_string_data( |
| 12 | void *buffer, |
| 13 | size_t *to_base, |
| 14 | size_t *to, |
| 15 | const void **from, |
| 16 | size_t *len, |
| 17 | const char * obj) |
| 18 | { |
| 19 | size_t size; |
| 20 | size_t align; |
| 21 | |
| 22 | /* Flush pending memcpy */ |
| 23 | if(*len != 0) { |
| 24 | if(buffer != NULL) |
| 25 | memcpy(buffer+*to_base+*to, *from, *len); |
| 26 | } |
| 27 | *to += *len; |
| 28 | *len = 0; |
| 29 | |
| 30 | align = sizeof(char); |
| 31 | |
| 32 | if(*len == 0) { |
| 33 | *to += ltt_align(*to, align); /* align output */ |
| 34 | } else { |
| 35 | *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */ |
| 36 | } |
| 37 | |
| 38 | /* Contains variable sized fields : must explode the structure */ |
| 39 | |
| 40 | size = strlen(obj) + 1; /* Include final NULL char. */ |
| 41 | if(buffer != NULL) |
| 42 | memcpy(buffer+*to_base+*to, obj, size); |
| 43 | *to += size; |
| 44 | |
| 45 | /* Realign the *to_base on arch size, set *to to 0 */ |
| 46 | *to += ltt_align(*to, sizeof(void *)); |
| 47 | *to_base = *to_base+*to; |
| 48 | *to = 0; |
| 49 | |
| 50 | /* Put source *from just after the C string */ |
| 51 | *from += size; |
| 52 | } |
| 53 | |
| 54 | |
| 55 | /* Event string logging function */ |
| 56 | #ifndef LTT_TRACE_FAST |
| 57 | static inline int trace_user_generic_string( |
| 58 | const char * lttng_param_data) |
| 59 | #ifndef LTT_TRACE |
| 60 | { |
| 61 | } |
| 62 | #else |
| 63 | { |
| 64 | int ret = 0; |
| 65 | void *buffer = NULL; |
| 66 | size_t real_to_base = 0; /* The buffer is allocated on arch_size alignment */ |
| 67 | size_t *to_base = &real_to_base; |
| 68 | size_t real_to = 0; |
| 69 | size_t *to = &real_to; |
| 70 | size_t real_len = 0; |
| 71 | size_t *len = &real_len; |
| 72 | size_t reserve_size; |
| 73 | size_t slot_size; |
| 74 | const void *real_from; |
| 75 | const void **from = &real_from; |
| 76 | /* For each field, calculate the field size. */ |
| 77 | /* size = *to_base + *to + *len */ |
| 78 | /* Assume that the padding for alignment starts at a |
| 79 | * sizeof(void *) address. */ |
| 80 | |
| 81 | *from = lttng_param_data; |
| 82 | lttng_write_string_user_generic_string_data(buffer, to_base, to, from, len, lttng_param_data); |
| 83 | |
| 84 | reserve_size = *to_base + *to + *len; |
| 85 | { |
| 86 | char stack_buffer[reserve_size]; |
| 87 | buffer = stack_buffer; |
| 88 | |
| 89 | *to_base = *to = *len = 0; |
| 90 | |
| 91 | *from = lttng_param_data; |
| 92 | lttng_write_string_user_generic_string_data(buffer, to_base, to, from, len, lttng_param_data); |
| 93 | |
| 94 | /* Flush pending memcpy */ |
| 95 | if(*len != 0) { |
| 96 | memcpy(buffer+*to_base+*to, *from, *len); |
| 97 | *to += *len; |
| 98 | *len = 0; |
| 99 | } |
| 100 | |
| 101 | ret = ltt_trace_generic(ltt_facility_user_generic_F583779E, event_user_generic_string, buffer, reserve_size, LTT_BLOCKING); |
| 102 | } |
| 103 | |
| 104 | return ret; |
| 105 | |
| 106 | } |
| 107 | #endif //LTT_TRACE |
| 108 | #endif //!LTT_TRACE_FAST |
| 109 | |
| 110 | #ifdef LTT_TRACE_FAST |
| 111 | static inline int trace_user_generic_string( |
| 112 | const char * lttng_param_data) |
| 113 | #ifndef LTT_TRACE |
| 114 | { |
| 115 | } |
| 116 | #else |
| 117 | { |
| 118 | unsigned int index; |
| 119 | struct ltt_trace_info *trace = thread_trace_info; |
| 120 | struct ltt_buf *ltt_buf; |
| 121 | void *buffer = NULL; |
| 122 | size_t real_to_base = 0; /* The buffer is allocated on arch_size alignment */ |
| 123 | size_t *to_base = &real_to_base; |
| 124 | size_t real_to = 0; |
| 125 | size_t *to = &real_to; |
| 126 | size_t real_len = 0; |
| 127 | size_t *len = &real_len; |
| 128 | size_t reserve_size; |
| 129 | size_t slot_size; |
| 130 | const void *real_from; |
| 131 | const void **from = &real_from; |
| 132 | uint64_t tsc; |
| 133 | size_t before_hdr_pad, after_hdr_pad, header_size; |
| 134 | |
| 135 | if(!trace) { |
| 136 | ltt_thread_init(); |
| 137 | trace = thread_trace_info; |
| 138 | } |
| 139 | |
| 140 | |
| 141 | /* For each field, calculate the field size. */ |
| 142 | /* size = *to_base + *to + *len */ |
| 143 | /* Assume that the padding for alignment starts at a |
| 144 | * sizeof(void *) address. */ |
| 145 | |
| 146 | *from = lttng_param_data; |
| 147 | lttng_write_string_user_generic_string_data(buffer, to_base, to, from, len, lttng_param_data); |
| 148 | |
| 149 | reserve_size = *to_base + *to + *len; |
| 150 | trace->nesting++; |
| 151 | index = ltt_get_index_from_facility(ltt_facility_user_generic_F583779E, |
| 152 | event_user_generic_string); |
| 153 | |
| 154 | { |
| 155 | ltt_buf = ltt_get_channel_from_index(trace, index); |
| 156 | slot_size = 0; |
| 157 | buffer = ltt_reserve_slot(trace, ltt_buf, |
| 158 | reserve_size, &slot_size, &tsc, |
| 159 | &before_hdr_pad, &after_hdr_pad, &header_size); |
| 160 | if(!buffer) goto end; /* buffer full */ |
| 161 | |
| 162 | *to_base = *to = *len = 0; |
| 163 | |
| 164 | ltt_write_event_header(trace, ltt_buf, buffer, |
| 165 | ltt_facility_user_generic_F583779E, event_user_generic_string, |
| 166 | reserve_size, before_hdr_pad, tsc); |
| 167 | *to_base += before_hdr_pad + after_hdr_pad + header_size; |
| 168 | |
| 169 | *from = lttng_param_data; |
| 170 | lttng_write_string_user_generic_string_data(buffer, to_base, to, from, len, lttng_param_data); |
| 171 | |
| 172 | /* Flush pending memcpy */ |
| 173 | if(*len != 0) { |
| 174 | memcpy(buffer+*to_base+*to, *from, *len); |
| 175 | *to += *len; |
| 176 | *len = 0; |
| 177 | } |
| 178 | |
| 179 | ltt_commit_slot(ltt_buf, buffer, slot_size); |
| 180 | |
| 181 | } |
| 182 | |
| 183 | end: |
| 184 | trace->nesting--; |
| 185 | } |
| 186 | #endif //LTT_TRACE |
| 187 | #endif //LTT_TRACE_FAST |
| 188 | |
| 189 | /* Event string_pointer structures */ |
| 190 | static inline void lttng_write_string_user_generic_string_pointer_string( |
| 191 | void *buffer, |
| 192 | size_t *to_base, |
| 193 | size_t *to, |
| 194 | const void **from, |
| 195 | size_t *len, |
| 196 | const char * obj) |
| 197 | { |
| 198 | size_t size; |
| 199 | size_t align; |
| 200 | |
| 201 | /* Flush pending memcpy */ |
| 202 | if(*len != 0) { |
| 203 | if(buffer != NULL) |
| 204 | memcpy(buffer+*to_base+*to, *from, *len); |
| 205 | } |
| 206 | *to += *len; |
| 207 | *len = 0; |
| 208 | |
| 209 | align = sizeof(char); |
| 210 | |
| 211 | if(*len == 0) { |
| 212 | *to += ltt_align(*to, align); /* align output */ |
| 213 | } else { |
| 214 | *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */ |
| 215 | } |
| 216 | |
| 217 | /* Contains variable sized fields : must explode the structure */ |
| 218 | |
| 219 | size = strlen(obj) + 1; /* Include final NULL char. */ |
| 220 | if(buffer != NULL) |
| 221 | memcpy(buffer+*to_base+*to, obj, size); |
| 222 | *to += size; |
| 223 | |
| 224 | /* Realign the *to_base on arch size, set *to to 0 */ |
| 225 | *to += ltt_align(*to, sizeof(void *)); |
| 226 | *to_base = *to_base+*to; |
| 227 | *to = 0; |
| 228 | |
| 229 | /* Put source *from just after the C string */ |
| 230 | *from += size; |
| 231 | } |
| 232 | |
| 233 | |
| 234 | /* Event string_pointer logging function */ |
| 235 | #ifndef LTT_TRACE_FAST |
| 236 | static inline int trace_user_generic_string_pointer( |
| 237 | const char * lttng_param_string, |
| 238 | const void * lttng_param_pointer) |
| 239 | #ifndef LTT_TRACE |
| 240 | { |
| 241 | } |
| 242 | #else |
| 243 | { |
| 244 | int ret = 0; |
| 245 | void *buffer = NULL; |
| 246 | size_t real_to_base = 0; /* The buffer is allocated on arch_size alignment */ |
| 247 | size_t *to_base = &real_to_base; |
| 248 | size_t real_to = 0; |
| 249 | size_t *to = &real_to; |
| 250 | size_t real_len = 0; |
| 251 | size_t *len = &real_len; |
| 252 | size_t reserve_size; |
| 253 | size_t slot_size; |
| 254 | size_t align; |
| 255 | const void *real_from; |
| 256 | const void **from = &real_from; |
| 257 | /* For each field, calculate the field size. */ |
| 258 | /* size = *to_base + *to + *len */ |
| 259 | /* Assume that the padding for alignment starts at a |
| 260 | * sizeof(void *) address. */ |
| 261 | |
| 262 | *from = lttng_param_string; |
| 263 | lttng_write_string_user_generic_string_pointer_string(buffer, to_base, to, from, len, lttng_param_string); |
| 264 | |
| 265 | *from = <tng_param_pointer; |
| 266 | align = sizeof(const void *); |
| 267 | |
| 268 | if(*len == 0) { |
| 269 | *to += ltt_align(*to, align); /* align output */ |
| 270 | } else { |
| 271 | *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */ |
| 272 | } |
| 273 | |
| 274 | *len += sizeof(const void *); |
| 275 | |
| 276 | reserve_size = *to_base + *to + *len; |
| 277 | { |
| 278 | char stack_buffer[reserve_size]; |
| 279 | buffer = stack_buffer; |
| 280 | |
| 281 | *to_base = *to = *len = 0; |
| 282 | |
| 283 | *from = lttng_param_string; |
| 284 | lttng_write_string_user_generic_string_pointer_string(buffer, to_base, to, from, len, lttng_param_string); |
| 285 | |
| 286 | /* Flush pending memcpy */ |
| 287 | if(*len != 0) { |
| 288 | memcpy(buffer+*to_base+*to, *from, *len); |
| 289 | *to += *len; |
| 290 | *len = 0; |
| 291 | } |
| 292 | |
| 293 | *from = <tng_param_pointer; |
| 294 | align = sizeof(const void *); |
| 295 | |
| 296 | if(*len == 0) { |
| 297 | *to += ltt_align(*to, align); /* align output */ |
| 298 | } else { |
| 299 | *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */ |
| 300 | } |
| 301 | |
| 302 | *len += sizeof(const void *); |
| 303 | |
| 304 | /* Flush pending memcpy */ |
| 305 | if(*len != 0) { |
| 306 | memcpy(buffer+*to_base+*to, *from, *len); |
| 307 | *to += *len; |
| 308 | *len = 0; |
| 309 | } |
| 310 | |
| 311 | ret = ltt_trace_generic(ltt_facility_user_generic_F583779E, event_user_generic_string_pointer, buffer, reserve_size, LTT_BLOCKING); |
| 312 | } |
| 313 | |
| 314 | return ret; |
| 315 | |
| 316 | } |
| 317 | #endif //LTT_TRACE |
| 318 | #endif //!LTT_TRACE_FAST |
| 319 | |
| 320 | #ifdef LTT_TRACE_FAST |
| 321 | static inline int trace_user_generic_string_pointer( |
| 322 | const char * lttng_param_string, |
| 323 | const void * lttng_param_pointer) |
| 324 | #ifndef LTT_TRACE |
| 325 | { |
| 326 | } |
| 327 | #else |
| 328 | { |
| 329 | unsigned int index; |
| 330 | struct ltt_trace_info *trace = thread_trace_info; |
| 331 | struct ltt_buf *ltt_buf; |
| 332 | void *buffer = NULL; |
| 333 | size_t real_to_base = 0; /* The buffer is allocated on arch_size alignment */ |
| 334 | size_t *to_base = &real_to_base; |
| 335 | size_t real_to = 0; |
| 336 | size_t *to = &real_to; |
| 337 | size_t real_len = 0; |
| 338 | size_t *len = &real_len; |
| 339 | size_t reserve_size; |
| 340 | size_t slot_size; |
| 341 | size_t align; |
| 342 | const void *real_from; |
| 343 | const void **from = &real_from; |
| 344 | uint64_t tsc; |
| 345 | size_t before_hdr_pad, after_hdr_pad, header_size; |
| 346 | |
| 347 | if(!trace) { |
| 348 | ltt_thread_init(); |
| 349 | trace = thread_trace_info; |
| 350 | } |
| 351 | |
| 352 | |
| 353 | /* For each field, calculate the field size. */ |
| 354 | /* size = *to_base + *to + *len */ |
| 355 | /* Assume that the padding for alignment starts at a |
| 356 | * sizeof(void *) address. */ |
| 357 | |
| 358 | *from = lttng_param_string; |
| 359 | lttng_write_string_user_generic_string_pointer_string(buffer, to_base, to, from, len, lttng_param_string); |
| 360 | |
| 361 | *from = <tng_param_pointer; |
| 362 | align = sizeof(const void *); |
| 363 | |
| 364 | if(*len == 0) { |
| 365 | *to += ltt_align(*to, align); /* align output */ |
| 366 | } else { |
| 367 | *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */ |
| 368 | } |
| 369 | |
| 370 | *len += sizeof(const void *); |
| 371 | |
| 372 | reserve_size = *to_base + *to + *len; |
| 373 | trace->nesting++; |
| 374 | index = ltt_get_index_from_facility(ltt_facility_user_generic_F583779E, |
| 375 | event_user_generic_string_pointer); |
| 376 | |
| 377 | { |
| 378 | ltt_buf = ltt_get_channel_from_index(trace, index); |
| 379 | slot_size = 0; |
| 380 | buffer = ltt_reserve_slot(trace, ltt_buf, |
| 381 | reserve_size, &slot_size, &tsc, |
| 382 | &before_hdr_pad, &after_hdr_pad, &header_size); |
| 383 | if(!buffer) goto end; /* buffer full */ |
| 384 | |
| 385 | *to_base = *to = *len = 0; |
| 386 | |
| 387 | ltt_write_event_header(trace, ltt_buf, buffer, |
| 388 | ltt_facility_user_generic_F583779E, event_user_generic_string_pointer, |
| 389 | reserve_size, before_hdr_pad, tsc); |
| 390 | *to_base += before_hdr_pad + after_hdr_pad + header_size; |
| 391 | |
| 392 | *from = lttng_param_string; |
| 393 | lttng_write_string_user_generic_string_pointer_string(buffer, to_base, to, from, len, lttng_param_string); |
| 394 | |
| 395 | /* Flush pending memcpy */ |
| 396 | if(*len != 0) { |
| 397 | memcpy(buffer+*to_base+*to, *from, *len); |
| 398 | *to += *len; |
| 399 | *len = 0; |
| 400 | } |
| 401 | |
| 402 | *from = <tng_param_pointer; |
| 403 | align = sizeof(const void *); |
| 404 | |
| 405 | if(*len == 0) { |
| 406 | *to += ltt_align(*to, align); /* align output */ |
| 407 | } else { |
| 408 | *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */ |
| 409 | } |
| 410 | |
| 411 | *len += sizeof(const void *); |
| 412 | |
| 413 | /* Flush pending memcpy */ |
| 414 | if(*len != 0) { |
| 415 | memcpy(buffer+*to_base+*to, *from, *len); |
| 416 | *to += *len; |
| 417 | *len = 0; |
| 418 | } |
| 419 | |
| 420 | ltt_commit_slot(ltt_buf, buffer, slot_size); |
| 421 | |
| 422 | } |
| 423 | |
| 424 | end: |
| 425 | trace->nesting--; |
| 426 | } |
| 427 | #endif //LTT_TRACE |
| 428 | #endif //LTT_TRACE_FAST |
| 429 | |
| 430 | /* Event slow_printf structures */ |
| 431 | static inline void lttng_write_string_user_generic_slow_printf_string( |
| 432 | void *buffer, |
| 433 | size_t *to_base, |
| 434 | size_t *to, |
| 435 | const void **from, |
| 436 | size_t *len, |
| 437 | const char * obj) |
| 438 | { |
| 439 | size_t size; |
| 440 | size_t align; |
| 441 | |
| 442 | /* Flush pending memcpy */ |
| 443 | if(*len != 0) { |
| 444 | if(buffer != NULL) |
| 445 | memcpy(buffer+*to_base+*to, *from, *len); |
| 446 | } |
| 447 | *to += *len; |
| 448 | *len = 0; |
| 449 | |
| 450 | align = sizeof(char); |
| 451 | |
| 452 | if(*len == 0) { |
| 453 | *to += ltt_align(*to, align); /* align output */ |
| 454 | } else { |
| 455 | *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */ |
| 456 | } |
| 457 | |
| 458 | /* Contains variable sized fields : must explode the structure */ |
| 459 | |
| 460 | size = strlen(obj) + 1; /* Include final NULL char. */ |
| 461 | if(buffer != NULL) |
| 462 | memcpy(buffer+*to_base+*to, obj, size); |
| 463 | *to += size; |
| 464 | |
| 465 | /* Realign the *to_base on arch size, set *to to 0 */ |
| 466 | *to += ltt_align(*to, sizeof(void *)); |
| 467 | *to_base = *to_base+*to; |
| 468 | *to = 0; |
| 469 | |
| 470 | /* Put source *from just after the C string */ |
| 471 | *from += size; |
| 472 | } |
| 473 | |
| 474 | |
| 475 | /* Event slow_printf logging function */ |
| 476 | #ifndef LTT_TRACE_FAST |
| 477 | static inline int trace_user_generic_slow_printf_param_buffer( |
| 478 | void *buffer, |
| 479 | size_t reserve_size) |
| 480 | #ifndef LTT_TRACE |
| 481 | { |
| 482 | } |
| 483 | #else |
| 484 | { |
| 485 | int ret = 0; |
| 486 | reserve_size = ltt_align(reserve_size, sizeof(void *)); |
| 487 | { |
| 488 | ret = ltt_trace_generic(ltt_facility_user_generic_F583779E, event_user_generic_slow_printf, buffer, reserve_size, LTT_BLOCKING); |
| 489 | } |
| 490 | |
| 491 | return ret; |
| 492 | |
| 493 | } |
| 494 | #endif //LTT_TRACE |
| 495 | #endif //!LTT_TRACE_FAST |
| 496 | |
| 497 | #ifdef LTT_TRACE_FAST |
| 498 | static inline int trace_user_generic_slow_printf( |
| 499 | const char * lttng_param_string) |
| 500 | #ifndef LTT_TRACE |
| 501 | { |
| 502 | } |
| 503 | #else |
| 504 | { |
| 505 | unsigned int index; |
| 506 | struct ltt_trace_info *trace = thread_trace_info; |
| 507 | struct ltt_buf *ltt_buf; |
| 508 | void *buffer = NULL; |
| 509 | size_t real_to_base = 0; /* The buffer is allocated on arch_size alignment */ |
| 510 | size_t *to_base = &real_to_base; |
| 511 | size_t real_to = 0; |
| 512 | size_t *to = &real_to; |
| 513 | size_t real_len = 0; |
| 514 | size_t *len = &real_len; |
| 515 | size_t reserve_size; |
| 516 | size_t slot_size; |
| 517 | const void *real_from; |
| 518 | const void **from = &real_from; |
| 519 | uint64_t tsc; |
| 520 | size_t before_hdr_pad, after_hdr_pad, header_size; |
| 521 | |
| 522 | if(!trace) { |
| 523 | ltt_thread_init(); |
| 524 | trace = thread_trace_info; |
| 525 | } |
| 526 | |
| 527 | |
| 528 | /* For each field, calculate the field size. */ |
| 529 | /* size = *to_base + *to + *len */ |
| 530 | /* Assume that the padding for alignment starts at a |
| 531 | * sizeof(void *) address. */ |
| 532 | |
| 533 | *from = lttng_param_string; |
| 534 | lttng_write_string_user_generic_slow_printf_string(buffer, to_base, to, from, len, lttng_param_string); |
| 535 | |
| 536 | reserve_size = *to_base + *to + *len; |
| 537 | trace->nesting++; |
| 538 | index = ltt_get_index_from_facility(ltt_facility_user_generic_F583779E, |
| 539 | event_user_generic_slow_printf); |
| 540 | |
| 541 | { |
| 542 | ltt_buf = ltt_get_channel_from_index(trace, index); |
| 543 | slot_size = 0; |
| 544 | buffer = ltt_reserve_slot(trace, ltt_buf, |
| 545 | reserve_size, &slot_size, &tsc, |
| 546 | &before_hdr_pad, &after_hdr_pad, &header_size); |
| 547 | if(!buffer) goto end; /* buffer full */ |
| 548 | |
| 549 | *to_base = *to = *len = 0; |
| 550 | |
| 551 | ltt_write_event_header(trace, ltt_buf, buffer, |
| 552 | ltt_facility_user_generic_F583779E, event_user_generic_slow_printf, |
| 553 | reserve_size, before_hdr_pad, tsc); |
| 554 | *to_base += before_hdr_pad + after_hdr_pad + header_size; |
| 555 | |
| 556 | *from = lttng_param_string; |
| 557 | lttng_write_string_user_generic_slow_printf_string(buffer, to_base, to, from, len, lttng_param_string); |
| 558 | |
| 559 | /* Flush pending memcpy */ |
| 560 | if(*len != 0) { |
| 561 | memcpy(buffer+*to_base+*to, *from, *len); |
| 562 | *to += *len; |
| 563 | *len = 0; |
| 564 | } |
| 565 | |
| 566 | ltt_commit_slot(ltt_buf, buffer, slot_size); |
| 567 | |
| 568 | } |
| 569 | |
| 570 | end: |
| 571 | trace->nesting--; |
| 572 | } |
| 573 | #endif //LTT_TRACE |
| 574 | #endif //LTT_TRACE_FAST |
| 575 | |
| 576 | /* Event function_entry structures */ |
| 577 | |
| 578 | /* Event function_entry logging function */ |
| 579 | #ifndef LTT_TRACE_FAST |
| 580 | static inline __attribute__((no_instrument_function)) int trace_user_generic_function_entry( |
| 581 | const void * lttng_param_this_fn, |
| 582 | const void * lttng_param_call_site) |
| 583 | #ifndef LTT_TRACE |
| 584 | { |
| 585 | } |
| 586 | #else |
| 587 | { |
| 588 | int ret = 0; |
| 589 | void *buffer = NULL; |
| 590 | size_t real_to_base = 0; /* The buffer is allocated on arch_size alignment */ |
| 591 | size_t *to_base = &real_to_base; |
| 592 | size_t real_to = 0; |
| 593 | size_t *to = &real_to; |
| 594 | size_t real_len = 0; |
| 595 | size_t *len = &real_len; |
| 596 | size_t reserve_size; |
| 597 | size_t slot_size; |
| 598 | size_t align; |
| 599 | const void *real_from; |
| 600 | const void **from = &real_from; |
| 601 | /* For each field, calculate the field size. */ |
| 602 | /* size = *to_base + *to + *len */ |
| 603 | /* Assume that the padding for alignment starts at a |
| 604 | * sizeof(void *) address. */ |
| 605 | |
| 606 | *from = <tng_param_this_fn; |
| 607 | align = sizeof(const void *); |
| 608 | |
| 609 | if(*len == 0) { |
| 610 | *to += ltt_align(*to, align); /* align output */ |
| 611 | } else { |
| 612 | *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */ |
| 613 | } |
| 614 | |
| 615 | *len += sizeof(const void *); |
| 616 | |
| 617 | *from = <tng_param_call_site; |
| 618 | align = sizeof(const void *); |
| 619 | |
| 620 | if(*len == 0) { |
| 621 | *to += ltt_align(*to, align); /* align output */ |
| 622 | } else { |
| 623 | *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */ |
| 624 | } |
| 625 | |
| 626 | *len += sizeof(const void *); |
| 627 | |
| 628 | reserve_size = *to_base + *to + *len; |
| 629 | { |
| 630 | char stack_buffer[reserve_size]; |
| 631 | buffer = stack_buffer; |
| 632 | |
| 633 | *to_base = *to = *len = 0; |
| 634 | |
| 635 | *from = <tng_param_this_fn; |
| 636 | align = sizeof(const void *); |
| 637 | |
| 638 | if(*len == 0) { |
| 639 | *to += ltt_align(*to, align); /* align output */ |
| 640 | } else { |
| 641 | *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */ |
| 642 | } |
| 643 | |
| 644 | *len += sizeof(const void *); |
| 645 | |
| 646 | /* Flush pending memcpy */ |
| 647 | if(*len != 0) { |
| 648 | memcpy(buffer+*to_base+*to, *from, *len); |
| 649 | *to += *len; |
| 650 | *len = 0; |
| 651 | } |
| 652 | |
| 653 | *from = <tng_param_call_site; |
| 654 | align = sizeof(const void *); |
| 655 | |
| 656 | if(*len == 0) { |
| 657 | *to += ltt_align(*to, align); /* align output */ |
| 658 | } else { |
| 659 | *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */ |
| 660 | } |
| 661 | |
| 662 | *len += sizeof(const void *); |
| 663 | |
| 664 | /* Flush pending memcpy */ |
| 665 | if(*len != 0) { |
| 666 | memcpy(buffer+*to_base+*to, *from, *len); |
| 667 | *to += *len; |
| 668 | *len = 0; |
| 669 | } |
| 670 | |
| 671 | ret = ltt_trace_generic(ltt_facility_user_generic_F583779E, event_user_generic_function_entry, buffer, reserve_size, LTT_BLOCKING); |
| 672 | } |
| 673 | |
| 674 | return ret; |
| 675 | |
| 676 | } |
| 677 | #endif //LTT_TRACE |
| 678 | #endif //!LTT_TRACE_FAST |
| 679 | |
| 680 | #ifdef LTT_TRACE_FAST |
| 681 | static inline __attribute__((no_instrument_function)) int trace_user_generic_function_entry( |
| 682 | const void * lttng_param_this_fn, |
| 683 | const void * lttng_param_call_site) |
| 684 | #ifndef LTT_TRACE |
| 685 | { |
| 686 | } |
| 687 | #else |
| 688 | { |
| 689 | unsigned int index; |
| 690 | struct ltt_trace_info *trace = thread_trace_info; |
| 691 | struct ltt_buf *ltt_buf; |
| 692 | void *buffer = NULL; |
| 693 | size_t real_to_base = 0; /* The buffer is allocated on arch_size alignment */ |
| 694 | size_t *to_base = &real_to_base; |
| 695 | size_t real_to = 0; |
| 696 | size_t *to = &real_to; |
| 697 | size_t real_len = 0; |
| 698 | size_t *len = &real_len; |
| 699 | size_t reserve_size; |
| 700 | size_t slot_size; |
| 701 | size_t align; |
| 702 | const void *real_from; |
| 703 | const void **from = &real_from; |
| 704 | uint64_t tsc; |
| 705 | size_t before_hdr_pad, after_hdr_pad, header_size; |
| 706 | |
| 707 | if(!trace) { |
| 708 | ltt_thread_init(); |
| 709 | trace = thread_trace_info; |
| 710 | } |
| 711 | |
| 712 | |
| 713 | /* For each field, calculate the field size. */ |
| 714 | /* size = *to_base + *to + *len */ |
| 715 | /* Assume that the padding for alignment starts at a |
| 716 | * sizeof(void *) address. */ |
| 717 | |
| 718 | *from = <tng_param_this_fn; |
| 719 | align = sizeof(const void *); |
| 720 | |
| 721 | if(*len == 0) { |
| 722 | *to += ltt_align(*to, align); /* align output */ |
| 723 | } else { |
| 724 | *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */ |
| 725 | } |
| 726 | |
| 727 | *len += sizeof(const void *); |
| 728 | |
| 729 | *from = <tng_param_call_site; |
| 730 | align = sizeof(const void *); |
| 731 | |
| 732 | if(*len == 0) { |
| 733 | *to += ltt_align(*to, align); /* align output */ |
| 734 | } else { |
| 735 | *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */ |
| 736 | } |
| 737 | |
| 738 | *len += sizeof(const void *); |
| 739 | |
| 740 | reserve_size = *to_base + *to + *len; |
| 741 | trace->nesting++; |
| 742 | index = ltt_get_index_from_facility(ltt_facility_user_generic_F583779E, |
| 743 | event_user_generic_function_entry); |
| 744 | |
| 745 | { |
| 746 | ltt_buf = ltt_get_channel_from_index(trace, index); |
| 747 | slot_size = 0; |
| 748 | buffer = ltt_reserve_slot(trace, ltt_buf, |
| 749 | reserve_size, &slot_size, &tsc, |
| 750 | &before_hdr_pad, &after_hdr_pad, &header_size); |
| 751 | if(!buffer) goto end; /* buffer full */ |
| 752 | |
| 753 | *to_base = *to = *len = 0; |
| 754 | |
| 755 | ltt_write_event_header(trace, ltt_buf, buffer, |
| 756 | ltt_facility_user_generic_F583779E, event_user_generic_function_entry, |
| 757 | reserve_size, before_hdr_pad, tsc); |
| 758 | *to_base += before_hdr_pad + after_hdr_pad + header_size; |
| 759 | |
| 760 | *from = <tng_param_this_fn; |
| 761 | align = sizeof(const void *); |
| 762 | |
| 763 | if(*len == 0) { |
| 764 | *to += ltt_align(*to, align); /* align output */ |
| 765 | } else { |
| 766 | *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */ |
| 767 | } |
| 768 | |
| 769 | *len += sizeof(const void *); |
| 770 | |
| 771 | /* Flush pending memcpy */ |
| 772 | if(*len != 0) { |
| 773 | memcpy(buffer+*to_base+*to, *from, *len); |
| 774 | *to += *len; |
| 775 | *len = 0; |
| 776 | } |
| 777 | |
| 778 | *from = <tng_param_call_site; |
| 779 | align = sizeof(const void *); |
| 780 | |
| 781 | if(*len == 0) { |
| 782 | *to += ltt_align(*to, align); /* align output */ |
| 783 | } else { |
| 784 | *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */ |
| 785 | } |
| 786 | |
| 787 | *len += sizeof(const void *); |
| 788 | |
| 789 | /* Flush pending memcpy */ |
| 790 | if(*len != 0) { |
| 791 | memcpy(buffer+*to_base+*to, *from, *len); |
| 792 | *to += *len; |
| 793 | *len = 0; |
| 794 | } |
| 795 | |
| 796 | ltt_commit_slot(ltt_buf, buffer, slot_size); |
| 797 | |
| 798 | } |
| 799 | |
| 800 | end: |
| 801 | trace->nesting--; |
| 802 | } |
| 803 | #endif //LTT_TRACE |
| 804 | #endif //LTT_TRACE_FAST |
| 805 | |
| 806 | /* Event function_exit structures */ |
| 807 | |
| 808 | /* Event function_exit logging function */ |
| 809 | #ifndef LTT_TRACE_FAST |
| 810 | static inline __attribute__((no_instrument_function)) int trace_user_generic_function_exit( |
| 811 | const void * lttng_param_this_fn, |
| 812 | const void * lttng_param_call_site) |
| 813 | #ifndef LTT_TRACE |
| 814 | { |
| 815 | } |
| 816 | #else |
| 817 | { |
| 818 | int ret = 0; |
| 819 | void *buffer = NULL; |
| 820 | size_t real_to_base = 0; /* The buffer is allocated on arch_size alignment */ |
| 821 | size_t *to_base = &real_to_base; |
| 822 | size_t real_to = 0; |
| 823 | size_t *to = &real_to; |
| 824 | size_t real_len = 0; |
| 825 | size_t *len = &real_len; |
| 826 | size_t reserve_size; |
| 827 | size_t slot_size; |
| 828 | size_t align; |
| 829 | const void *real_from; |
| 830 | const void **from = &real_from; |
| 831 | /* For each field, calculate the field size. */ |
| 832 | /* size = *to_base + *to + *len */ |
| 833 | /* Assume that the padding for alignment starts at a |
| 834 | * sizeof(void *) address. */ |
| 835 | |
| 836 | *from = <tng_param_this_fn; |
| 837 | align = sizeof(const void *); |
| 838 | |
| 839 | if(*len == 0) { |
| 840 | *to += ltt_align(*to, align); /* align output */ |
| 841 | } else { |
| 842 | *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */ |
| 843 | } |
| 844 | |
| 845 | *len += sizeof(const void *); |
| 846 | |
| 847 | *from = <tng_param_call_site; |
| 848 | align = sizeof(const void *); |
| 849 | |
| 850 | if(*len == 0) { |
| 851 | *to += ltt_align(*to, align); /* align output */ |
| 852 | } else { |
| 853 | *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */ |
| 854 | } |
| 855 | |
| 856 | *len += sizeof(const void *); |
| 857 | |
| 858 | reserve_size = *to_base + *to + *len; |
| 859 | { |
| 860 | char stack_buffer[reserve_size]; |
| 861 | buffer = stack_buffer; |
| 862 | |
| 863 | *to_base = *to = *len = 0; |
| 864 | |
| 865 | *from = <tng_param_this_fn; |
| 866 | align = sizeof(const void *); |
| 867 | |
| 868 | if(*len == 0) { |
| 869 | *to += ltt_align(*to, align); /* align output */ |
| 870 | } else { |
| 871 | *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */ |
| 872 | } |
| 873 | |
| 874 | *len += sizeof(const void *); |
| 875 | |
| 876 | /* Flush pending memcpy */ |
| 877 | if(*len != 0) { |
| 878 | memcpy(buffer+*to_base+*to, *from, *len); |
| 879 | *to += *len; |
| 880 | *len = 0; |
| 881 | } |
| 882 | |
| 883 | *from = <tng_param_call_site; |
| 884 | align = sizeof(const void *); |
| 885 | |
| 886 | if(*len == 0) { |
| 887 | *to += ltt_align(*to, align); /* align output */ |
| 888 | } else { |
| 889 | *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */ |
| 890 | } |
| 891 | |
| 892 | *len += sizeof(const void *); |
| 893 | |
| 894 | /* Flush pending memcpy */ |
| 895 | if(*len != 0) { |
| 896 | memcpy(buffer+*to_base+*to, *from, *len); |
| 897 | *to += *len; |
| 898 | *len = 0; |
| 899 | } |
| 900 | |
| 901 | ret = ltt_trace_generic(ltt_facility_user_generic_F583779E, event_user_generic_function_exit, buffer, reserve_size, LTT_BLOCKING); |
| 902 | } |
| 903 | |
| 904 | return ret; |
| 905 | |
| 906 | } |
| 907 | #endif //LTT_TRACE |
| 908 | #endif //!LTT_TRACE_FAST |
| 909 | |
| 910 | #ifdef LTT_TRACE_FAST |
| 911 | static inline __attribute__((no_instrument_function)) int trace_user_generic_function_exit( |
| 912 | const void * lttng_param_this_fn, |
| 913 | const void * lttng_param_call_site) |
| 914 | #ifndef LTT_TRACE |
| 915 | { |
| 916 | } |
| 917 | #else |
| 918 | { |
| 919 | unsigned int index; |
| 920 | struct ltt_trace_info *trace = thread_trace_info; |
| 921 | struct ltt_buf *ltt_buf; |
| 922 | void *buffer = NULL; |
| 923 | size_t real_to_base = 0; /* The buffer is allocated on arch_size alignment */ |
| 924 | size_t *to_base = &real_to_base; |
| 925 | size_t real_to = 0; |
| 926 | size_t *to = &real_to; |
| 927 | size_t real_len = 0; |
| 928 | size_t *len = &real_len; |
| 929 | size_t reserve_size; |
| 930 | size_t slot_size; |
| 931 | size_t align; |
| 932 | const void *real_from; |
| 933 | const void **from = &real_from; |
| 934 | uint64_t tsc; |
| 935 | size_t before_hdr_pad, after_hdr_pad, header_size; |
| 936 | |
| 937 | if(!trace) { |
| 938 | ltt_thread_init(); |
| 939 | trace = thread_trace_info; |
| 940 | } |
| 941 | |
| 942 | |
| 943 | /* For each field, calculate the field size. */ |
| 944 | /* size = *to_base + *to + *len */ |
| 945 | /* Assume that the padding for alignment starts at a |
| 946 | * sizeof(void *) address. */ |
| 947 | |
| 948 | *from = <tng_param_this_fn; |
| 949 | align = sizeof(const void *); |
| 950 | |
| 951 | if(*len == 0) { |
| 952 | *to += ltt_align(*to, align); /* align output */ |
| 953 | } else { |
| 954 | *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */ |
| 955 | } |
| 956 | |
| 957 | *len += sizeof(const void *); |
| 958 | |
| 959 | *from = <tng_param_call_site; |
| 960 | align = sizeof(const void *); |
| 961 | |
| 962 | if(*len == 0) { |
| 963 | *to += ltt_align(*to, align); /* align output */ |
| 964 | } else { |
| 965 | *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */ |
| 966 | } |
| 967 | |
| 968 | *len += sizeof(const void *); |
| 969 | |
| 970 | reserve_size = *to_base + *to + *len; |
| 971 | trace->nesting++; |
| 972 | index = ltt_get_index_from_facility(ltt_facility_user_generic_F583779E, |
| 973 | event_user_generic_function_exit); |
| 974 | |
| 975 | { |
| 976 | ltt_buf = ltt_get_channel_from_index(trace, index); |
| 977 | slot_size = 0; |
| 978 | buffer = ltt_reserve_slot(trace, ltt_buf, |
| 979 | reserve_size, &slot_size, &tsc, |
| 980 | &before_hdr_pad, &after_hdr_pad, &header_size); |
| 981 | if(!buffer) goto end; /* buffer full */ |
| 982 | |
| 983 | *to_base = *to = *len = 0; |
| 984 | |
| 985 | ltt_write_event_header(trace, ltt_buf, buffer, |
| 986 | ltt_facility_user_generic_F583779E, event_user_generic_function_exit, |
| 987 | reserve_size, before_hdr_pad, tsc); |
| 988 | *to_base += before_hdr_pad + after_hdr_pad + header_size; |
| 989 | |
| 990 | *from = <tng_param_this_fn; |
| 991 | align = sizeof(const void *); |
| 992 | |
| 993 | if(*len == 0) { |
| 994 | *to += ltt_align(*to, align); /* align output */ |
| 995 | } else { |
| 996 | *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */ |
| 997 | } |
| 998 | |
| 999 | *len += sizeof(const void *); |
| 1000 | |
| 1001 | /* Flush pending memcpy */ |
| 1002 | if(*len != 0) { |
| 1003 | memcpy(buffer+*to_base+*to, *from, *len); |
| 1004 | *to += *len; |
| 1005 | *len = 0; |
| 1006 | } |
| 1007 | |
| 1008 | *from = <tng_param_call_site; |
| 1009 | align = sizeof(const void *); |
| 1010 | |
| 1011 | if(*len == 0) { |
| 1012 | *to += ltt_align(*to, align); /* align output */ |
| 1013 | } else { |
| 1014 | *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */ |
| 1015 | } |
| 1016 | |
| 1017 | *len += sizeof(const void *); |
| 1018 | |
| 1019 | /* Flush pending memcpy */ |
| 1020 | if(*len != 0) { |
| 1021 | memcpy(buffer+*to_base+*to, *from, *len); |
| 1022 | *to += *len; |
| 1023 | *len = 0; |
| 1024 | } |
| 1025 | |
| 1026 | ltt_commit_slot(ltt_buf, buffer, slot_size); |
| 1027 | |
| 1028 | } |
| 1029 | |
| 1030 | end: |
| 1031 | trace->nesting--; |
| 1032 | } |
| 1033 | #endif //LTT_TRACE |
| 1034 | #endif //LTT_TRACE_FAST |
| 1035 | |
| 1036 | #endif //_LTT_FACILITY_USER_GENERIC_H_ |