| 1 | /* This file is part of the Linux Trace Toolkit viewer |
| 2 | * Copyright (C) 2003-2004 Xiangxiu Yang |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or modify |
| 5 | * it under the terms of the GNU General Public License Version 2 as |
| 6 | * published by the Free Software Foundation; |
| 7 | * |
| 8 | * This program is distributed in the hope that it will be useful, |
| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 11 | * GNU General Public License for more details. |
| 12 | * |
| 13 | * You should have received a copy of the GNU General Public License |
| 14 | * along with this program; if not, write to the Free Software |
| 15 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, |
| 16 | * MA 02111-1307, USA. |
| 17 | */ |
| 18 | |
| 19 | #include <stdio.h> |
| 20 | #include <string.h> |
| 21 | #include <stdlib.h> |
| 22 | |
| 23 | #include <asm/types.h> |
| 24 | #include <linux/byteorder/swab.h> |
| 25 | |
| 26 | #include "parser.h" |
| 27 | #include <ltt/ltt.h> |
| 28 | #include "ltt-private.h" |
| 29 | #include <ltt/event.h> |
| 30 | #include <ltt/trace.h> |
| 31 | |
| 32 | |
| 33 | LttEvent *ltt_event_new() |
| 34 | { |
| 35 | return g_new(LttEvent, 1); |
| 36 | } |
| 37 | |
| 38 | void ltt_event_destroy(LttEvent *event) |
| 39 | { |
| 40 | g_free(event); |
| 41 | } |
| 42 | |
| 43 | |
| 44 | /***************************************************************************** |
| 45 | *Function name |
| 46 | * ltt_event_refresh_fields : refresh fields of an event |
| 47 | *Input params |
| 48 | * offsetRoot : offset from the root |
| 49 | * offsetParent : offset from the parent |
| 50 | * fld : field |
| 51 | * evD : event data |
| 52 | *Return value |
| 53 | * int : size of the field |
| 54 | ****************************************************************************/ |
| 55 | |
| 56 | int ltt_event_refresh_fields(int offsetRoot,int offsetParent, |
| 57 | LttField * fld, void *evD) |
| 58 | { |
| 59 | int size, size1, element_number, i, offset1, offset2; |
| 60 | LttType * type = fld->field_type; |
| 61 | |
| 62 | switch(type->type_class) { |
| 63 | case LTT_ARRAY: |
| 64 | element_number = (int) type->element_number; |
| 65 | if(fld->field_fixed == 0){// has string or sequence |
| 66 | size = 0; |
| 67 | for(i=0;i<element_number;i++){ |
| 68 | size += ltt_event_refresh_fields(offsetRoot+size,size, |
| 69 | fld->child[0], evD+size); |
| 70 | } |
| 71 | }else size = fld->field_size; |
| 72 | break; |
| 73 | |
| 74 | case LTT_SEQUENCE: |
| 75 | size1 = fld->sequ_number_size; |
| 76 | element_number = getIntNumber(size1,evD); |
| 77 | type->element_number = element_number; |
| 78 | if(fld->element_size > 0){ |
| 79 | size = element_number * fld->element_size; |
| 80 | }else{//sequence has string or sequence |
| 81 | size = 0; |
| 82 | for(i=0;i<element_number;i++){ |
| 83 | size += ltt_event_refresh_fields(offsetRoot+size+size1,size+size1, |
| 84 | fld->child[0], evD+size+size1); |
| 85 | } |
| 86 | size += size1; |
| 87 | } |
| 88 | break; |
| 89 | |
| 90 | case LTT_STRING: |
| 91 | size = strlen((char*)evD) + 1; //include end : '\0' |
| 92 | break; |
| 93 | |
| 94 | case LTT_STRUCT: |
| 95 | element_number = (int) type->element_number; |
| 96 | if(fld->field_fixed == 0){ |
| 97 | offset1 = offsetRoot; |
| 98 | offset2 = 0; |
| 99 | for(i=0;i<element_number;i++){ |
| 100 | size=ltt_event_refresh_fields(offset1,offset2, |
| 101 | fld->child[i],evD+offset2); |
| 102 | offset1 += size; |
| 103 | offset2 += size; |
| 104 | } |
| 105 | size = offset2; |
| 106 | }else size = fld->field_size; |
| 107 | break; |
| 108 | |
| 109 | case LTT_UNION: |
| 110 | size = fld->field_size; |
| 111 | break; |
| 112 | |
| 113 | default: |
| 114 | size = fld->field_size; |
| 115 | } |
| 116 | |
| 117 | #if 0 |
| 118 | if(type->type_class != LTT_STRUCT && type->type_class != LTT_ARRAY && |
| 119 | type->type_class != LTT_SEQUENCE && type->type_class != LTT_STRING){ |
| 120 | size = fld->field_size; |
| 121 | }else if(type->type_class == LTT_ARRAY){ |
| 122 | element_number = (int) type->element_number; |
| 123 | if(fld->field_fixed == 0){// has string or sequence |
| 124 | size = 0; |
| 125 | for(i=0;i<element_number;i++){ |
| 126 | size += ltt_event_refresh_fields(offsetRoot+size,size, |
| 127 | fld->child[0], evD+size); |
| 128 | } |
| 129 | }else size = fld->field_size; |
| 130 | }else if(type->type_class == LTT_SEQUENCE){ |
| 131 | size1 = fld->sequ_number_size; |
| 132 | element_number = getIntNumber(size1,evD); |
| 133 | type->element_number = element_number; |
| 134 | if(fld->element_size > 0){ |
| 135 | size = element_number * fld->element_size; |
| 136 | }else{//sequence has string or sequence |
| 137 | size = 0; |
| 138 | for(i=0;i<element_number;i++){ |
| 139 | size += ltt_event_refresh_fields(offsetRoot+size+size1,size+size1, |
| 140 | fld->child[0], evD+size+size1); |
| 141 | } |
| 142 | size += size1; |
| 143 | } |
| 144 | }else if(type->type_class == LTT_STRING){ |
| 145 | size = strlen((char*)evD) + 1; //include end : '\0' |
| 146 | }else if(type->type_class == LTT_STRUCT){ |
| 147 | element_number = (int) type->element_number; |
| 148 | if(fld->field_fixed == 0){ |
| 149 | offset1 = offsetRoot; |
| 150 | offset2 = 0; |
| 151 | for(i=0;i<element_number;i++){ |
| 152 | size=ltt_event_refresh_fields(offset1,offset2, |
| 153 | fld->child[i],evD+offset2); |
| 154 | offset1 += size; |
| 155 | offset2 += size; |
| 156 | } |
| 157 | size = offset2; |
| 158 | }else size = fld->field_size; |
| 159 | } |
| 160 | #endif //0 |
| 161 | fld->offset_root = offsetRoot; |
| 162 | fld->offset_parent = offsetParent; |
| 163 | fld->fixed_root = (offsetRoot==-1) ? 0 : 1; |
| 164 | fld->fixed_parent = (offsetParent==-1) ? 0 : 1; |
| 165 | fld->field_size = size; |
| 166 | |
| 167 | return size; |
| 168 | } |
| 169 | |
| 170 | /***************************************************************************** |
| 171 | *Function name |
| 172 | * ltt_event_eventtype_id: get event type id |
| 173 | * (base id + position of the event) |
| 174 | *Input params |
| 175 | * e : an instance of an event type |
| 176 | *Return value |
| 177 | * unsigned : event type id |
| 178 | ****************************************************************************/ |
| 179 | |
| 180 | unsigned ltt_event_eventtype_id(LttEvent *e) |
| 181 | { |
| 182 | return (unsigned) e->event_id; |
| 183 | } |
| 184 | |
| 185 | /***************************************************************************** |
| 186 | *Function name |
| 187 | * ltt_event_facility : get the facility of the event |
| 188 | *Input params |
| 189 | * e : an instance of an event type |
| 190 | *Return value |
| 191 | * LttFacility * : the facility of the event |
| 192 | ****************************************************************************/ |
| 193 | |
| 194 | LttFacility *ltt_event_facility(LttEvent *e) |
| 195 | { |
| 196 | LttTrace * trace = e->tracefile->trace; |
| 197 | unsigned id = e->event_id; |
| 198 | return ltt_trace_facility_by_id(trace,id); |
| 199 | } |
| 200 | |
| 201 | /***************************************************************************** |
| 202 | *Function name |
| 203 | * ltt_event_eventtype : get the event type of the event |
| 204 | *Input params |
| 205 | * e : an instance of an event type |
| 206 | *Return value |
| 207 | * LttEventType * : the event type of the event |
| 208 | ****************************************************************************/ |
| 209 | |
| 210 | LttEventType *ltt_event_eventtype(LttEvent *e) |
| 211 | { |
| 212 | LttFacility* facility = ltt_event_facility(e); |
| 213 | if(!facility) return NULL; |
| 214 | return facility->events[e->event_id - facility->base_id]; |
| 215 | } |
| 216 | |
| 217 | /***************************************************************************** |
| 218 | *Function name |
| 219 | * ltt_event_field : get the root field of the event |
| 220 | *Input params |
| 221 | * e : an instance of an event type |
| 222 | *Return value |
| 223 | * LttField * : the root field of the event |
| 224 | ****************************************************************************/ |
| 225 | |
| 226 | LttField *ltt_event_field(LttEvent *e) |
| 227 | { |
| 228 | LttField * field; |
| 229 | LttEventType * event_type = ltt_event_eventtype(e); |
| 230 | if(!event_type) return NULL; |
| 231 | field = event_type->root_field; |
| 232 | if(!field) return NULL; |
| 233 | |
| 234 | //check if the field need refresh |
| 235 | if(e->which_block != event_type->latest_block || |
| 236 | e->which_event != event_type->latest_event){ |
| 237 | |
| 238 | event_type->latest_block = e->which_block; |
| 239 | event_type->latest_event = e->which_event; |
| 240 | |
| 241 | if(field->field_fixed == 1)return field; |
| 242 | |
| 243 | //refresh the field |
| 244 | ltt_event_refresh_fields(0, 0, field, e->data); |
| 245 | } |
| 246 | return field; |
| 247 | } |
| 248 | |
| 249 | /***************************************************************************** |
| 250 | *Function name |
| 251 | * ltt_event_time : get the time of the event |
| 252 | *Input params |
| 253 | * e : an instance of an event type |
| 254 | *Return value |
| 255 | * LttTime : the time of the event |
| 256 | ****************************************************************************/ |
| 257 | |
| 258 | LttTime ltt_event_time(LttEvent *e) |
| 259 | { |
| 260 | return e->event_time; |
| 261 | } |
| 262 | |
| 263 | /***************************************************************************** |
| 264 | *Function name |
| 265 | * ltt_event_time : get the cycle count of the event |
| 266 | *Input params |
| 267 | * e : an instance of an event type |
| 268 | *Return value |
| 269 | * LttCycleCount : the cycle count of the event |
| 270 | ****************************************************************************/ |
| 271 | |
| 272 | LttCycleCount ltt_event_cycle_count(LttEvent *e) |
| 273 | { |
| 274 | return e->event_cycle_count; |
| 275 | } |
| 276 | |
| 277 | /***************************************************************************** |
| 278 | *Function name |
| 279 | * ltt_event_position : get the event's position |
| 280 | *Input params |
| 281 | * e : an instance of an event type |
| 282 | * ep : a pointer to event's position structure |
| 283 | ****************************************************************************/ |
| 284 | |
| 285 | void ltt_event_position(LttEvent *e, LttEventPosition *ep) |
| 286 | { |
| 287 | ep->block_num = e->which_block; |
| 288 | ep->event_num = e->which_event; |
| 289 | ep->event_time = e->event_time; |
| 290 | ep->event_cycle_count = e->event_cycle_count; |
| 291 | ep->heart_beat_number = e->tracefile->cur_heart_beat_number; |
| 292 | ep->old_position = TRUE; |
| 293 | ep->event_offset = e->data - e->tracefile->buffer - EVENT_HEADER_SIZE ; |
| 294 | ep->tf = e->tracefile; |
| 295 | |
| 296 | /* This is a workaround for fast position seek */ |
| 297 | ep->last_event_pos = e->last_event_pos; |
| 298 | ep->prev_block_end_time = e->prev_block_end_time; |
| 299 | ep->prev_event_time = e->prev_event_time; |
| 300 | ep->pre_cycle_count = e->pre_cycle_count; |
| 301 | ep->count = e->count; |
| 302 | /* end of workaround */ |
| 303 | } |
| 304 | |
| 305 | LttEventPosition * ltt_event_position_new() |
| 306 | { |
| 307 | return g_new(LttEventPosition, 1); |
| 308 | } |
| 309 | |
| 310 | /***************************************************************************** |
| 311 | *Function name |
| 312 | * ltt_event_position_get : get the block number and index of the event |
| 313 | *Input params |
| 314 | * ep : a pointer to event's position structure |
| 315 | * block_number : the block number of the event |
| 316 | * index_in_block : the index of the event within the block |
| 317 | ****************************************************************************/ |
| 318 | |
| 319 | void ltt_event_position_get(LttEventPosition *ep, |
| 320 | unsigned *block_number, unsigned *index_in_block, LttTracefile ** tf) |
| 321 | { |
| 322 | *block_number = ep->block_num; |
| 323 | *index_in_block = ep->event_num; |
| 324 | *tf = ep->tf; |
| 325 | } |
| 326 | |
| 327 | /***************************************************************************** |
| 328 | *Function name |
| 329 | * ltt_event_position_set : set the block number and index of the event |
| 330 | * It does put the old_position gboolean to FALSE, as it is impossible |
| 331 | * to know the quick position to seek in the tracefile. |
| 332 | *Input params |
| 333 | * ep : a pointer to event's position structure |
| 334 | * block_number : the block number of the event |
| 335 | * index_in_block : the index of the event within the block |
| 336 | ****************************************************************************/ |
| 337 | |
| 338 | void ltt_event_position_set(LttEventPosition *ep, |
| 339 | unsigned block_number, unsigned index_in_block) |
| 340 | { |
| 341 | if(ep->block_num != block_number || ep->event_num != index_in_block) |
| 342 | ep->old_position = FALSE; |
| 343 | |
| 344 | ep->block_num = block_number; |
| 345 | ep->event_num = index_in_block; |
| 346 | |
| 347 | } |
| 348 | |
| 349 | /***************************************************************************** |
| 350 | * Function name |
| 351 | * ltt_event_position_compare : compare two positions |
| 352 | * A NULL value is infinite. |
| 353 | * Input params |
| 354 | * ep1 : a pointer to event's position structure |
| 355 | * ep2 : a pointer to event's position structure |
| 356 | * Return |
| 357 | * -1 is ep1 < ep2 |
| 358 | * 1 if ep1 > ep2 |
| 359 | * 0 if ep1 == ep2 |
| 360 | ****************************************************************************/ |
| 361 | |
| 362 | |
| 363 | gint ltt_event_position_compare(const LttEventPosition *ep1, |
| 364 | const LttEventPosition *ep2) |
| 365 | { |
| 366 | if(ep1->tf != ep2->tf) |
| 367 | g_error("ltt_event_position_compare on different tracefiles makes no sense"); |
| 368 | if(ep1 == NULL && ep2 == NULL) |
| 369 | return 0; |
| 370 | if(ep1 != NULL && ep2 == NULL) |
| 371 | return -1; |
| 372 | if(ep1 == NULL && ep2 != NULL) |
| 373 | return 1; |
| 374 | |
| 375 | if(ep1->block_num < ep2->block_num) |
| 376 | return -1; |
| 377 | if(ep1->block_num > ep2->block_num) |
| 378 | return 1; |
| 379 | if(ep1->event_num < ep2->event_num) |
| 380 | return -1; |
| 381 | if(ep1->event_num > ep2->event_num) |
| 382 | return 1; |
| 383 | return 0; |
| 384 | } |
| 385 | |
| 386 | /***************************************************************************** |
| 387 | * Function name |
| 388 | * ltt_event_event_position_compare : compare two positions, one in event, |
| 389 | * other in position opaque structure. |
| 390 | * Input params |
| 391 | * event : a pointer to event structure |
| 392 | * ep : a pointer to event's position structure |
| 393 | * Return |
| 394 | * -1 is event < ep |
| 395 | * 1 if event > ep |
| 396 | * 0 if event == ep |
| 397 | ****************************************************************************/ |
| 398 | |
| 399 | gint ltt_event_event_position_compare(const LttEvent *event, |
| 400 | const LttEventPosition *ep) |
| 401 | { |
| 402 | if(event == NULL && ep == NULL) |
| 403 | return 0; |
| 404 | if(event != NULL && ep == NULL) |
| 405 | return -1; |
| 406 | if(event == NULL && ep != NULL) |
| 407 | return 1; |
| 408 | |
| 409 | g_assert(event->tracefile == ep->tf); |
| 410 | |
| 411 | if(event->which_block < ep->block_num) |
| 412 | return -1; |
| 413 | if(event->which_block > ep->block_num) |
| 414 | return 1; |
| 415 | if(event->which_event < ep->event_num) |
| 416 | return -1; |
| 417 | if(event->which_event > ep->event_num) |
| 418 | return 1; |
| 419 | return 0; |
| 420 | } |
| 421 | |
| 422 | /***************************************************************************** |
| 423 | * Function name |
| 424 | * ltt_event_position_copy : copy position |
| 425 | * Input params |
| 426 | * src : a pointer to event's position structure source |
| 427 | * dest : a pointer to event's position structure dest |
| 428 | * Return |
| 429 | * void |
| 430 | ****************************************************************************/ |
| 431 | void ltt_event_position_copy(LttEventPosition *dest, |
| 432 | const LttEventPosition *src) |
| 433 | { |
| 434 | if(src == NULL) |
| 435 | dest = NULL; |
| 436 | else |
| 437 | *dest = *src; |
| 438 | } |
| 439 | |
| 440 | |
| 441 | /***************************************************************************** |
| 442 | *Function name |
| 443 | * ltt_event_cpu_i: get the cpu id where the event happens |
| 444 | *Input params |
| 445 | * e : an instance of an event type |
| 446 | *Return value |
| 447 | * unsigned : the cpu id |
| 448 | ****************************************************************************/ |
| 449 | |
| 450 | unsigned ltt_event_cpu_id(LttEvent *e) |
| 451 | { |
| 452 | char * c1, * c2, * c3; |
| 453 | c1 = strrchr(e->tracefile->name,'\\'); |
| 454 | c2 = strrchr(e->tracefile->name,'/'); |
| 455 | if(c1 == NULL && c2 == NULL){ |
| 456 | return (unsigned)atoi(e->tracefile->name); |
| 457 | }else if(c1 == NULL){ |
| 458 | c2++; |
| 459 | return (unsigned)atoi(c2); |
| 460 | }else if(c2 == NULL){ |
| 461 | c1++; |
| 462 | return (unsigned)atoi(c1); |
| 463 | }else{ |
| 464 | c3 = (c1 > c2) ? c1 : c2; |
| 465 | c3++; |
| 466 | return (unsigned)atoi(c3); |
| 467 | } |
| 468 | } |
| 469 | |
| 470 | /***************************************************************************** |
| 471 | *Function name |
| 472 | * ltt_event_data : get the raw data for the event |
| 473 | *Input params |
| 474 | * e : an instance of an event type |
| 475 | *Return value |
| 476 | * void * : pointer to the raw data for the event |
| 477 | ****************************************************************************/ |
| 478 | |
| 479 | void *ltt_event_data(LttEvent *e) |
| 480 | { |
| 481 | return e->data; |
| 482 | } |
| 483 | |
| 484 | /***************************************************************************** |
| 485 | *Function name |
| 486 | * ltt_event_field_element_number |
| 487 | * : The number of elements in a sequence field is specific |
| 488 | * to each event. This function returns the number of |
| 489 | * elements for an array or sequence field in an event. |
| 490 | *Input params |
| 491 | * e : an instance of an event type |
| 492 | * f : a field of the instance |
| 493 | *Return value |
| 494 | * unsigned : the number of elements for an array/sequence field |
| 495 | ****************************************************************************/ |
| 496 | |
| 497 | unsigned ltt_event_field_element_number(LttEvent *e, LttField *f) |
| 498 | { |
| 499 | if(f->field_type->type_class != LTT_ARRAY && |
| 500 | f->field_type->type_class != LTT_SEQUENCE) |
| 501 | return 0; |
| 502 | |
| 503 | if(f->field_type->type_class == LTT_ARRAY) |
| 504 | return f->field_type->element_number; |
| 505 | return (unsigned) getIntNumber(f->sequ_number_size, e + f->offset_root); |
| 506 | } |
| 507 | |
| 508 | /***************************************************************************** |
| 509 | *Function name |
| 510 | * ltt_event_field_element_select |
| 511 | * : Set the currently selected element for a sequence or |
| 512 | * array field |
| 513 | *Input params |
| 514 | * e : an instance of an event type |
| 515 | * f : a field of the instance |
| 516 | * i : the ith element |
| 517 | ****************************************************************************/ |
| 518 | |
| 519 | void ltt_event_field_element_select(LttEvent *e, LttField *f, unsigned i) |
| 520 | { |
| 521 | unsigned element_number; |
| 522 | LttField *fld; |
| 523 | unsigned int k; |
| 524 | int size; |
| 525 | void *evD; |
| 526 | |
| 527 | if(f->field_type->type_class != LTT_ARRAY && |
| 528 | f->field_type->type_class != LTT_SEQUENCE) |
| 529 | return ; |
| 530 | |
| 531 | element_number = ltt_event_field_element_number(e,f); |
| 532 | /* Sanity check for i : 1..n only, and must be lower or equal element_number |
| 533 | */ |
| 534 | if(element_number < i || i == 0) return; |
| 535 | |
| 536 | fld = f->child[0]; |
| 537 | |
| 538 | evD = e->data + f->offset_root; |
| 539 | size = 0; |
| 540 | for(k=0;k<i;k++){ |
| 541 | size += ltt_event_refresh_fields(f->offset_root+size,size, fld, evD+size); |
| 542 | } |
| 543 | f->current_element = i - 1; |
| 544 | } |
| 545 | |
| 546 | /***************************************************************************** |
| 547 | * These functions extract data from an event after architecture specific |
| 548 | * conversions |
| 549 | ****************************************************************************/ |
| 550 | |
| 551 | unsigned ltt_event_get_unsigned(LttEvent *e, LttField *f) |
| 552 | { |
| 553 | int revFlag = e->tracefile->trace->my_arch_endian == |
| 554 | e->tracefile->trace->system_description->endian ? 0:1; |
| 555 | LttTypeEnum t = f->field_type->type_class; |
| 556 | |
| 557 | g_assert(t == LTT_UINT || t == LTT_ENUM); |
| 558 | |
| 559 | if(f->field_size == 1){ |
| 560 | guint8 x = *(guint8 *)(e->data + f->offset_root); |
| 561 | return (unsigned int) x; |
| 562 | }else if(f->field_size == 2){ |
| 563 | guint16 x = *(guint16 *)(e->data + f->offset_root); |
| 564 | if(e->tracefile->trace->my_arch_endian == LTT_LITTLE_ENDIAN) |
| 565 | return (unsigned int) (revFlag ? GUINT16_FROM_BE(x): x); |
| 566 | else |
| 567 | return (unsigned int) (revFlag ? GUINT16_FROM_LE(x): x); |
| 568 | }else if(f->field_size == 4){ |
| 569 | guint32 x = *(guint32 *)(e->data + f->offset_root); |
| 570 | if(e->tracefile->trace->my_arch_endian == LTT_LITTLE_ENDIAN) |
| 571 | return (unsigned int) (revFlag ? GUINT32_FROM_BE(x): x); |
| 572 | else |
| 573 | return (unsigned int) (revFlag ? GUINT32_FROM_LE(x): x); |
| 574 | }else if(f->field_size == 8){ |
| 575 | guint64 x = *(guint64 *)(e->data + f->offset_root); |
| 576 | if(e->tracefile->trace->my_arch_endian == LTT_LITTLE_ENDIAN) |
| 577 | return (unsigned int) (revFlag ? GUINT64_FROM_BE(x): x); |
| 578 | else |
| 579 | return (unsigned int) (revFlag ? GUINT64_FROM_LE(x): x); |
| 580 | } |
| 581 | g_critical("ltt_event_get_unsigned : field size %i unknown", f->field_size); |
| 582 | return 0; |
| 583 | } |
| 584 | |
| 585 | int ltt_event_get_int(LttEvent *e, LttField *f) |
| 586 | { |
| 587 | int revFlag = e->tracefile->trace->my_arch_endian == |
| 588 | e->tracefile->trace->system_description->endian ? 0:1; |
| 589 | |
| 590 | g_assert(f->field_type->type_class == LTT_INT); |
| 591 | |
| 592 | if(f->field_size == 1){ |
| 593 | gint8 x = *(gint8 *)(e->data + f->offset_root); |
| 594 | return (int) x; |
| 595 | }else if(f->field_size == 2){ |
| 596 | gint16 x = *(gint16 *)(e->data + f->offset_root); |
| 597 | if(e->tracefile->trace->my_arch_endian == LTT_LITTLE_ENDIAN) |
| 598 | return (int) (revFlag ? GINT16_FROM_BE(x): x); |
| 599 | else |
| 600 | return (int) (revFlag ? GINT16_FROM_LE(x): x); |
| 601 | }else if(f->field_size == 4){ |
| 602 | gint32 x = *(gint32 *)(e->data + f->offset_root); |
| 603 | if(e->tracefile->trace->my_arch_endian == LTT_LITTLE_ENDIAN) |
| 604 | return (int) (revFlag ? GINT32_FROM_BE(x): x); |
| 605 | else |
| 606 | return (int) (revFlag ? GINT32_FROM_LE(x): x); |
| 607 | }else if(f->field_size == 8){ |
| 608 | gint64 x = *(gint64 *)(e->data + f->offset_root); |
| 609 | if(e->tracefile->trace->my_arch_endian == LTT_LITTLE_ENDIAN) |
| 610 | return (int) (revFlag ? GINT64_FROM_BE(x): x); |
| 611 | else |
| 612 | return (int) (revFlag ? GINT64_FROM_LE(x): x); |
| 613 | } |
| 614 | g_critical("ltt_event_get_int : field size %i unknown", f->field_size); |
| 615 | return 0; |
| 616 | } |
| 617 | |
| 618 | unsigned long ltt_event_get_long_unsigned(LttEvent *e, LttField *f) |
| 619 | { |
| 620 | int revFlag = e->tracefile->trace->my_arch_endian == |
| 621 | e->tracefile->trace->system_description->endian ? 0:1; |
| 622 | LttTypeEnum t = f->field_type->type_class; |
| 623 | |
| 624 | g_assert(t == LTT_UINT || t == LTT_ENUM); |
| 625 | |
| 626 | if(f->field_size == 1){ |
| 627 | guint8 x = *(guint8 *)(e->data + f->offset_root); |
| 628 | return (unsigned long) x; |
| 629 | }else if(f->field_size == 2){ |
| 630 | guint16 x = *(guint16 *)(e->data + f->offset_root); |
| 631 | if(e->tracefile->trace->my_arch_endian == LTT_LITTLE_ENDIAN) |
| 632 | return (unsigned long) (revFlag ? GUINT16_FROM_BE(x): x); |
| 633 | else |
| 634 | return (unsigned long) (revFlag ? GUINT16_FROM_LE(x): x); |
| 635 | }else if(f->field_size == 4){ |
| 636 | guint32 x = *(guint32 *)(e->data + f->offset_root); |
| 637 | if(e->tracefile->trace->my_arch_endian == LTT_LITTLE_ENDIAN) |
| 638 | return (unsigned long) (revFlag ? GUINT32_FROM_BE(x): x); |
| 639 | else |
| 640 | return (unsigned long) (revFlag ? GUINT32_FROM_LE(x): x); |
| 641 | }else if(f->field_size == 8){ |
| 642 | guint64 x = *(guint64 *)(e->data + f->offset_root); |
| 643 | if(e->tracefile->trace->my_arch_endian == LTT_LITTLE_ENDIAN) |
| 644 | return (unsigned long) (revFlag ? GUINT64_FROM_BE(x): x); |
| 645 | else |
| 646 | return (unsigned long) (revFlag ? GUINT64_FROM_LE(x): x); |
| 647 | } |
| 648 | g_critical("ltt_event_get_long_unsigned : field size %i unknown", f->field_size); |
| 649 | return 0; |
| 650 | } |
| 651 | |
| 652 | long int ltt_event_get_long_int(LttEvent *e, LttField *f) |
| 653 | { |
| 654 | int revFlag = e->tracefile->trace->my_arch_endian == |
| 655 | e->tracefile->trace->system_description->endian ? 0:1; |
| 656 | |
| 657 | g_assert( f->field_type->type_class == LTT_INT); |
| 658 | |
| 659 | if(f->field_size == 1){ |
| 660 | gint8 x = *(gint8 *)(e->data + f->offset_root); |
| 661 | return (long) x; |
| 662 | }else if(f->field_size == 2){ |
| 663 | gint16 x = *(gint16 *)(e->data + f->offset_root); |
| 664 | if(e->tracefile->trace->my_arch_endian == LTT_LITTLE_ENDIAN) |
| 665 | return (long) (revFlag ? GINT16_FROM_BE(x): x); |
| 666 | else |
| 667 | return (long) (revFlag ? GINT16_FROM_LE(x): x); |
| 668 | }else if(f->field_size == 4){ |
| 669 | gint32 x = *(gint32 *)(e->data + f->offset_root); |
| 670 | if(e->tracefile->trace->my_arch_endian == LTT_LITTLE_ENDIAN) |
| 671 | return (long) (revFlag ? GINT32_FROM_BE(x): x); |
| 672 | else |
| 673 | return (long) (revFlag ? GINT32_FROM_LE(x): x); |
| 674 | }else if(f->field_size == 8){ |
| 675 | gint64 x = *(gint64 *)(e->data + f->offset_root); |
| 676 | if(e->tracefile->trace->my_arch_endian == LTT_LITTLE_ENDIAN) |
| 677 | return (long) (revFlag ? GINT64_FROM_BE(x): x); |
| 678 | else |
| 679 | return (long) (revFlag ? GINT64_FROM_LE(x): x); |
| 680 | } |
| 681 | g_critical("ltt_event_get_long_int : field size %i unknown", f->field_size); |
| 682 | return 0; |
| 683 | } |
| 684 | |
| 685 | float ltt_event_get_float(LttEvent *e, LttField *f) |
| 686 | { |
| 687 | int revFlag = e->tracefile->trace->my_arch_endian == |
| 688 | e->tracefile->trace->system_description->endian ? 0:1; |
| 689 | |
| 690 | g_assert(f->field_type->type_class == LTT_FLOAT && f->field_size == 4); |
| 691 | |
| 692 | if(revFlag == 0) return *(float *)(e->data + f->offset_root); |
| 693 | else{ |
| 694 | guint32 aInt; |
| 695 | memcpy((void*)&aInt, e->data + f->offset_root, 4); |
| 696 | aInt = ___swab32(aInt); |
| 697 | return ((float)aInt); |
| 698 | } |
| 699 | } |
| 700 | |
| 701 | double ltt_event_get_double(LttEvent *e, LttField *f) |
| 702 | { |
| 703 | int revFlag = e->tracefile->trace->my_arch_endian == |
| 704 | e->tracefile->trace->system_description->endian ? 0:1; |
| 705 | |
| 706 | g_assert(f->field_type->type_class == LTT_FLOAT && f->field_size == 8); |
| 707 | |
| 708 | if(revFlag == 0) return *(double *)(e->data + f->offset_root); |
| 709 | else{ |
| 710 | guint64 aInt; |
| 711 | memcpy((void*)&aInt, e->data + f->offset_root, 8); |
| 712 | aInt = ___swab64(aInt); |
| 713 | return ((double)aInt); |
| 714 | } |
| 715 | } |
| 716 | |
| 717 | /***************************************************************************** |
| 718 | * The string obtained is only valid until the next read from |
| 719 | * the same tracefile. |
| 720 | ****************************************************************************/ |
| 721 | |
| 722 | char *ltt_event_get_string(LttEvent *e, LttField *f) |
| 723 | { |
| 724 | g_assert(f->field_type->type_class == LTT_STRING); |
| 725 | |
| 726 | return (char*)g_strdup((char*)(e->data + f->offset_root)); |
| 727 | } |