449cb9d7 |
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 | |
6cd62ccf |
19 | #include <stdio.h> |
8d1e6362 |
20 | #include <string.h> |
21 | #include <stdlib.h> |
22 | |
6cd62ccf |
23 | #include <asm/types.h> |
24 | #include <linux/byteorder/swab.h> |
a5dcde2f |
25 | |
6cd62ccf |
26 | #include "parser.h" |
a5dcde2f |
27 | #include <ltt/ltt.h> |
28 | #include "ltt-private.h" |
6cd62ccf |
29 | #include <ltt/event.h> |
a5dcde2f |
30 | #include <ltt/trace.h> |
6cd62ccf |
31 | |
c02ea99f |
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 | |
908f42fa |
44 | /***************************************************************************** |
45 | *Function name |
46 | * ltt_event_refresh_fields : refresh fields of an event |
47 | *Input params |
48 | * offsetRoot : offset from the root |
18206708 |
49 | * offsetParent : offset from the parent |
908f42fa |
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 | if(type->type_class != LTT_STRUCT && type->type_class != LTT_ARRAY && |
63 | type->type_class != LTT_SEQUENCE && type->type_class != LTT_STRING){ |
64 | size = fld->field_size; |
65 | }else if(type->type_class == LTT_ARRAY){ |
66 | element_number = (int) type->element_number; |
67 | if(fld->field_fixed == 0){// has string or sequence |
68 | size = 0; |
69 | for(i=0;i<element_number;i++){ |
70 | size += ltt_event_refresh_fields(offsetRoot+size,size, |
71 | fld->child[0], evD+size); |
72 | } |
73 | }else size = fld->field_size; |
74 | }else if(type->type_class == 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 | }else if(type->type_class == LTT_STRING){ |
89 | size = strlen((char*)evD) + 1; //include end : '\0' |
90 | }else if(type->type_class == LTT_STRUCT){ |
91 | element_number = (int) type->element_number; |
92 | if(fld->field_fixed == 0){ |
93 | offset1 = offsetRoot; |
94 | offset2 = 0; |
95 | for(i=0;i<element_number;i++){ |
96 | size=ltt_event_refresh_fields(offset1,offset2,fld->child[i],evD+offset2); |
97 | offset1 += size; |
98 | offset2 += size; |
99 | } |
100 | size = offset2; |
101 | }else size = fld->field_size; |
102 | } |
103 | |
104 | fld->offset_root = offsetRoot; |
105 | fld->offset_parent = offsetParent; |
106 | fld->fixed_root = (offsetRoot==-1) ? 0 : 1; |
107 | fld->fixed_parent = (offsetParent==-1) ? 0 : 1; |
108 | fld->field_size = size; |
109 | |
110 | return size; |
111 | } |
112 | |
6cd62ccf |
113 | /***************************************************************************** |
114 | *Function name |
963b5f2d |
115 | * ltt_event_eventtype_id: get event type id |
116 | * (base id + position of the event) |
6cd62ccf |
117 | *Input params |
963b5f2d |
118 | * e : an instance of an event type |
6cd62ccf |
119 | *Return value |
963b5f2d |
120 | * unsigned : event type id |
6cd62ccf |
121 | ****************************************************************************/ |
122 | |
963b5f2d |
123 | unsigned ltt_event_eventtype_id(LttEvent *e) |
6cd62ccf |
124 | { |
125 | return (unsigned) e->event_id; |
126 | } |
127 | |
128 | /***************************************************************************** |
129 | *Function name |
130 | * ltt_event_facility : get the facility of the event |
131 | *Input params |
132 | * e : an instance of an event type |
133 | *Return value |
963b5f2d |
134 | * LttFacility * : the facility of the event |
6cd62ccf |
135 | ****************************************************************************/ |
136 | |
963b5f2d |
137 | LttFacility *ltt_event_facility(LttEvent *e) |
6cd62ccf |
138 | { |
963b5f2d |
139 | LttTrace * trace = e->tracefile->trace; |
140 | unsigned id = e->event_id; |
141 | return ltt_trace_facility_by_id(trace,id); |
6cd62ccf |
142 | } |
143 | |
144 | /***************************************************************************** |
145 | *Function name |
146 | * ltt_event_eventtype : get the event type of the event |
147 | *Input params |
148 | * e : an instance of an event type |
149 | *Return value |
963b5f2d |
150 | * LttEventType * : the event type of the event |
6cd62ccf |
151 | ****************************************************************************/ |
152 | |
963b5f2d |
153 | LttEventType *ltt_event_eventtype(LttEvent *e) |
6cd62ccf |
154 | { |
963b5f2d |
155 | LttFacility* facility = ltt_event_facility(e); |
156 | if(!facility) return NULL; |
157 | return facility->events[e->event_id - facility->base_id]; |
6cd62ccf |
158 | } |
159 | |
160 | /***************************************************************************** |
161 | *Function name |
963b5f2d |
162 | * ltt_event_field : get the root field of the event |
6cd62ccf |
163 | *Input params |
963b5f2d |
164 | * e : an instance of an event type |
6cd62ccf |
165 | *Return value |
963b5f2d |
166 | * LttField * : the root field of the event |
6cd62ccf |
167 | ****************************************************************************/ |
168 | |
963b5f2d |
169 | LttField *ltt_event_field(LttEvent *e) |
6cd62ccf |
170 | { |
908f42fa |
171 | LttField * field; |
963b5f2d |
172 | LttEventType * event_type = ltt_event_eventtype(e); |
173 | if(!event_type) return NULL; |
908f42fa |
174 | field = event_type->root_field; |
a2331fa0 |
175 | if(!field) return NULL; |
908f42fa |
176 | |
177 | //check if the field need refresh |
178 | if(e->which_block != event_type->latest_block || |
179 | e->which_event != event_type->latest_event){ |
180 | |
181 | event_type->latest_block = e->which_block; |
182 | event_type->latest_event = e->which_event; |
183 | |
184 | if(field->field_fixed == 1)return field; |
185 | |
186 | //refresh the field |
187 | ltt_event_refresh_fields(0, 0, field, e->data); |
188 | } |
189 | return field; |
6cd62ccf |
190 | } |
191 | |
192 | /***************************************************************************** |
193 | *Function name |
963b5f2d |
194 | * ltt_event_time : get the time of the event |
6cd62ccf |
195 | *Input params |
196 | * e : an instance of an event type |
197 | *Return value |
963b5f2d |
198 | * LttTime : the time of the event |
6cd62ccf |
199 | ****************************************************************************/ |
200 | |
963b5f2d |
201 | LttTime ltt_event_time(LttEvent *e) |
6cd62ccf |
202 | { |
963b5f2d |
203 | return e->event_time; |
6cd62ccf |
204 | } |
205 | |
206 | /***************************************************************************** |
207 | *Function name |
963b5f2d |
208 | * ltt_event_time : get the cycle count of the event |
6cd62ccf |
209 | *Input params |
210 | * e : an instance of an event type |
211 | *Return value |
963b5f2d |
212 | * LttCycleCount : the cycle count of the event |
6cd62ccf |
213 | ****************************************************************************/ |
214 | |
963b5f2d |
215 | LttCycleCount ltt_event_cycle_count(LttEvent *e) |
6cd62ccf |
216 | { |
963b5f2d |
217 | return e->event_cycle_count; |
6cd62ccf |
218 | } |
219 | |
80da81ad |
220 | /***************************************************************************** |
221 | *Function name |
222 | * ltt_event_position : get the event's position |
223 | *Input params |
224 | * e : an instance of an event type |
225 | * ep : a pointer to event's position structure |
226 | ****************************************************************************/ |
227 | |
228 | void ltt_event_position(LttEvent *e, LttEventPosition *ep) |
229 | { |
230 | ep->block_num = e->which_block; |
231 | ep->event_num = e->which_event; |
232 | ep->event_time = e->event_time; |
233 | ep->event_cycle_count = e->event_cycle_count; |
234 | ep->heart_beat_number = e->tracefile->cur_heart_beat_number; |
18206708 |
235 | ep->old_position = TRUE; |
80da81ad |
236 | ep->event_offset = e->data - e->tracefile->buffer - EVENT_HEADER_SIZE ; |
e4eced0f |
237 | ep->tf = e->tracefile; |
18206708 |
238 | |
239 | /* This is a workaround for fast position seek */ |
240 | ep->last_event_pos = e->last_event_pos; |
241 | ep->prev_block_end_time = e->prev_block_end_time; |
242 | ep->prev_event_time = e->prev_event_time; |
243 | ep->pre_cycle_count = e->pre_cycle_count; |
244 | ep->count = e->count; |
245 | /* end of workaround */ |
80da81ad |
246 | } |
247 | |
a5dcde2f |
248 | LttEventPosition * ltt_event_position_new() |
249 | { |
250 | return g_new(LttEventPosition, 1); |
251 | } |
252 | |
80da81ad |
253 | /***************************************************************************** |
254 | *Function name |
255 | * ltt_event_position_get : get the block number and index of the event |
256 | *Input params |
257 | * ep : a pointer to event's position structure |
258 | * block_number : the block number of the event |
259 | * index_in_block : the index of the event within the block |
260 | ****************************************************************************/ |
261 | |
262 | void ltt_event_position_get(LttEventPosition *ep, |
e4eced0f |
263 | unsigned *block_number, unsigned *index_in_block, LttTracefile ** tf) |
80da81ad |
264 | { |
265 | *block_number = ep->block_num; |
266 | *index_in_block = ep->event_num; |
e4eced0f |
267 | *tf = ep->tf; |
80da81ad |
268 | } |
269 | |
270 | /***************************************************************************** |
271 | *Function name |
272 | * ltt_event_position_set : set the block number and index of the event |
537b2d7f |
273 | * It does put the old_position gboolean to FALSE, as it is impossible |
274 | * to know the quick position to seek in the tracefile. |
80da81ad |
275 | *Input params |
276 | * ep : a pointer to event's position structure |
277 | * block_number : the block number of the event |
278 | * index_in_block : the index of the event within the block |
279 | ****************************************************************************/ |
280 | |
281 | void ltt_event_position_set(LttEventPosition *ep, |
282 | unsigned block_number, unsigned index_in_block) |
283 | { |
537b2d7f |
284 | if(ep->block_num != block_number || ep->event_num != index_in_block) |
285 | ep->old_position = FALSE; |
286 | |
80da81ad |
287 | ep->block_num = block_number; |
537b2d7f |
288 | ep->event_num = index_in_block; |
289 | |
80da81ad |
290 | } |
291 | |
96da5c0d |
292 | /***************************************************************************** |
293 | * Function name |
294 | * ltt_event_position_compare : compare two positions |
a00149f6 |
295 | * A NULL value is infinite. |
96da5c0d |
296 | * Input params |
297 | * ep1 : a pointer to event's position structure |
298 | * ep2 : a pointer to event's position structure |
299 | * Return |
300 | * -1 is ep1 < ep2 |
301 | * 1 if ep1 > ep2 |
302 | * 0 if ep1 == ep2 |
303 | ****************************************************************************/ |
304 | |
305 | |
306 | gint ltt_event_position_compare(const LttEventPosition *ep1, |
307 | const LttEventPosition *ep2) |
308 | { |
309 | if(ep1->tf != ep2->tf) |
310 | g_error("ltt_event_position_compare on different tracefiles makes no sense"); |
a00149f6 |
311 | if(ep1 == NULL && ep2 == NULL) |
312 | return 0; |
313 | if(ep1 != NULL && ep2 == NULL) |
314 | return -1; |
315 | if(ep1 == NULL && ep2 != NULL) |
316 | return 1; |
317 | |
96da5c0d |
318 | if(ep1->block_num < ep2->block_num) |
319 | return -1; |
320 | if(ep1->block_num > ep2->block_num) |
321 | return 1; |
322 | if(ep1->event_num < ep2->event_num) |
323 | return -1; |
324 | if(ep1->event_num > ep2->event_num) |
325 | return 1; |
326 | return 0; |
327 | } |
328 | |
329 | /***************************************************************************** |
330 | * Function name |
331 | * ltt_event_event_position_compare : compare two positions, one in event, |
332 | * other in position opaque structure. |
333 | * Input params |
334 | * event : a pointer to event structure |
335 | * ep : a pointer to event's position structure |
336 | * Return |
337 | * -1 is event < ep |
338 | * 1 if event > ep |
339 | * 0 if event == ep |
340 | ****************************************************************************/ |
341 | |
342 | gint ltt_event_event_position_compare(const LttEvent *event, |
343 | const LttEventPosition *ep) |
344 | { |
a00149f6 |
345 | if(event == NULL && ep == NULL) |
346 | return 0; |
347 | if(event != NULL && ep == NULL) |
348 | return -1; |
349 | if(event == NULL && ep != NULL) |
350 | return 1; |
2a74fbf4 |
351 | |
a00149f6 |
352 | g_assert(event->tracefile == ep->tf); |
353 | |
0dfebcb9 |
354 | if(event->which_block < ep->block_num) |
96da5c0d |
355 | return -1; |
0dfebcb9 |
356 | if(event->which_block > ep->block_num) |
96da5c0d |
357 | return 1; |
0dfebcb9 |
358 | if(event->which_event < ep->event_num) |
96da5c0d |
359 | return -1; |
0dfebcb9 |
360 | if(event->which_event > ep->event_num) |
96da5c0d |
361 | return 1; |
362 | return 0; |
363 | } |
364 | |
2a74fbf4 |
365 | /***************************************************************************** |
366 | * Function name |
367 | * ltt_event_position_copy : copy position |
368 | * Input params |
369 | * src : a pointer to event's position structure source |
370 | * dest : a pointer to event's position structure dest |
371 | * Return |
372 | * void |
373 | ****************************************************************************/ |
374 | void ltt_event_position_copy(LttEventPosition *dest, |
375 | const LttEventPosition *src) |
376 | { |
a00149f6 |
377 | if(src == NULL) |
378 | dest = NULL; |
379 | else |
380 | *dest = *src; |
2a74fbf4 |
381 | } |
96da5c0d |
382 | |
383 | |
6cd62ccf |
384 | /***************************************************************************** |
385 | *Function name |
963b5f2d |
386 | * ltt_event_cpu_i: get the cpu id where the event happens |
6cd62ccf |
387 | *Input params |
388 | * e : an instance of an event type |
389 | *Return value |
963b5f2d |
390 | * unsigned : the cpu id |
6cd62ccf |
391 | ****************************************************************************/ |
392 | |
963b5f2d |
393 | unsigned ltt_event_cpu_id(LttEvent *e) |
dd691a2e |
394 | { |
395 | char * c1, * c2, * c3; |
396 | c1 = strrchr(e->tracefile->name,'\\'); |
397 | c2 = strrchr(e->tracefile->name,'/'); |
398 | if(c1 == NULL && c2 == NULL){ |
399 | return (unsigned)atoi(e->tracefile->name); |
400 | }else if(c1 == NULL){ |
401 | c2++; |
402 | return (unsigned)atoi(c2); |
403 | }else if(c2 == NULL){ |
404 | c1++; |
405 | return (unsigned)atoi(c1); |
406 | }else{ |
407 | c3 = (c1 > c2) ? c1 : c2; |
408 | c3++; |
409 | return (unsigned)atoi(c3); |
410 | } |
6cd62ccf |
411 | } |
412 | |
413 | /***************************************************************************** |
414 | *Function name |
415 | * ltt_event_data : get the raw data for the event |
416 | *Input params |
417 | * e : an instance of an event type |
418 | *Return value |
419 | * void * : pointer to the raw data for the event |
420 | ****************************************************************************/ |
421 | |
963b5f2d |
422 | void *ltt_event_data(LttEvent *e) |
6cd62ccf |
423 | { |
424 | return e->data; |
425 | } |
426 | |
427 | /***************************************************************************** |
428 | *Function name |
429 | * ltt_event_field_element_number |
430 | * : The number of elements in a sequence field is specific |
431 | * to each event. This function returns the number of |
432 | * elements for an array or sequence field in an event. |
433 | *Input params |
908f42fa |
434 | * e : an instance of an event type |
6cd62ccf |
435 | * f : a field of the instance |
436 | *Return value |
437 | * unsigned : the number of elements for an array/sequence field |
438 | ****************************************************************************/ |
439 | |
963b5f2d |
440 | unsigned ltt_event_field_element_number(LttEvent *e, LttField *f) |
6cd62ccf |
441 | { |
442 | if(f->field_type->type_class != LTT_ARRAY && |
443 | f->field_type->type_class != LTT_SEQUENCE) |
444 | return 0; |
908f42fa |
445 | |
446 | if(f->field_type->type_class == LTT_ARRAY) |
447 | return f->field_type->element_number; |
448 | return (unsigned) getIntNumber(f->sequ_number_size, e + f->offset_root); |
6cd62ccf |
449 | } |
450 | |
451 | /***************************************************************************** |
452 | *Function name |
453 | * ltt_event_field_element_select |
454 | * : Set the currently selected element for a sequence or |
455 | * array field |
456 | *Input params |
908f42fa |
457 | * e : an instance of an event type |
6cd62ccf |
458 | * f : a field of the instance |
459 | * i : the ith element |
6cd62ccf |
460 | ****************************************************************************/ |
461 | |
963b5f2d |
462 | void ltt_event_field_element_select(LttEvent *e, LttField *f, unsigned i) |
6cd62ccf |
463 | { |
908f42fa |
464 | unsigned element_number; |
465 | LttField *fld; |
8d1e6362 |
466 | unsigned int k; |
467 | int size; |
908f42fa |
468 | void *evD; |
469 | |
470 | if(f->field_type->type_class != LTT_ARRAY && |
6cd62ccf |
471 | f->field_type->type_class != LTT_SEQUENCE) |
908f42fa |
472 | return ; |
473 | |
474 | element_number = ltt_event_field_element_number(e,f); |
8d1e6362 |
475 | /* Sanity check for i : 1..n only, and must be lower or equal element_number |
476 | */ |
477 | if(element_number < i || i == 0) return; |
908f42fa |
478 | |
479 | fld = f->child[0]; |
480 | |
481 | evD = e->data + f->offset_root; |
482 | size = 0; |
483 | for(k=0;k<i;k++){ |
484 | size += ltt_event_refresh_fields(f->offset_root+size,size, fld, evD+size); |
485 | } |
908f42fa |
486 | f->current_element = i - 1; |
6cd62ccf |
487 | } |
488 | |
489 | /***************************************************************************** |
490 | * These functions extract data from an event after architecture specific |
491 | * conversions |
492 | ****************************************************************************/ |
493 | |
963b5f2d |
494 | unsigned ltt_event_get_unsigned(LttEvent *e, LttField *f) |
6cd62ccf |
495 | { |
963b5f2d |
496 | int revFlag = e->tracefile->trace->my_arch_endian == |
497 | e->tracefile->trace->system_description->endian ? 0:1; |
498 | LttTypeEnum t = f->field_type->type_class; |
6cd62ccf |
499 | |
2a74fbf4 |
500 | g_assert(t == LTT_UINT || t == LTT_ENUM); |
6cd62ccf |
501 | |
b7b36242 |
502 | if(f->field_size == 1){ |
cbd41522 |
503 | guint8 x = *(guint8 *)(e->data + f->offset_root); |
b7b36242 |
504 | return (unsigned int) x; |
505 | }else if(f->field_size == 2){ |
cbd41522 |
506 | guint16 x = *(guint16 *)(e->data + f->offset_root); |
507 | if(e->tracefile->trace->my_arch_endian == LTT_LITTLE_ENDIAN) |
508 | return (unsigned int) (revFlag ? GUINT16_FROM_BE(x): x); |
509 | else |
510 | return (unsigned int) (revFlag ? GUINT16_FROM_LE(x): x); |
b7b36242 |
511 | }else if(f->field_size == 4){ |
cbd41522 |
512 | guint32 x = *(guint32 *)(e->data + f->offset_root); |
513 | if(e->tracefile->trace->my_arch_endian == LTT_LITTLE_ENDIAN) |
514 | return (unsigned int) (revFlag ? GUINT32_FROM_BE(x): x); |
515 | else |
516 | return (unsigned int) (revFlag ? GUINT32_FROM_LE(x): x); |
b7b36242 |
517 | }else if(f->field_size == 8){ |
cbd41522 |
518 | guint64 x = *(guint64 *)(e->data + f->offset_root); |
519 | if(e->tracefile->trace->my_arch_endian == LTT_LITTLE_ENDIAN) |
520 | return (unsigned int) (revFlag ? GUINT64_FROM_BE(x): x); |
521 | else |
522 | return (unsigned int) (revFlag ? GUINT64_FROM_LE(x): x); |
6cd62ccf |
523 | } |
8d1e6362 |
524 | g_critical("ltt_event_get_unsigned : field size %i unknown", f->field_size); |
525 | return 0; |
6cd62ccf |
526 | } |
527 | |
963b5f2d |
528 | int ltt_event_get_int(LttEvent *e, LttField *f) |
6cd62ccf |
529 | { |
963b5f2d |
530 | int revFlag = e->tracefile->trace->my_arch_endian == |
531 | e->tracefile->trace->system_description->endian ? 0:1; |
6cd62ccf |
532 | |
2a74fbf4 |
533 | g_assert(f->field_type->type_class == LTT_INT); |
6cd62ccf |
534 | |
b7b36242 |
535 | if(f->field_size == 1){ |
cbd41522 |
536 | gint8 x = *(gint8 *)(e->data + f->offset_root); |
b7b36242 |
537 | return (int) x; |
538 | }else if(f->field_size == 2){ |
cbd41522 |
539 | gint16 x = *(gint16 *)(e->data + f->offset_root); |
540 | if(e->tracefile->trace->my_arch_endian == LTT_LITTLE_ENDIAN) |
541 | return (int) (revFlag ? GINT16_FROM_BE(x): x); |
542 | else |
543 | return (int) (revFlag ? GINT16_FROM_LE(x): x); |
b7b36242 |
544 | }else if(f->field_size == 4){ |
cbd41522 |
545 | gint32 x = *(gint32 *)(e->data + f->offset_root); |
546 | if(e->tracefile->trace->my_arch_endian == LTT_LITTLE_ENDIAN) |
547 | return (int) (revFlag ? GINT32_FROM_BE(x): x); |
548 | else |
549 | return (int) (revFlag ? GINT32_FROM_LE(x): x); |
b7b36242 |
550 | }else if(f->field_size == 8){ |
cbd41522 |
551 | gint64 x = *(gint64 *)(e->data + f->offset_root); |
552 | if(e->tracefile->trace->my_arch_endian == LTT_LITTLE_ENDIAN) |
553 | return (int) (revFlag ? GINT64_FROM_BE(x): x); |
554 | else |
555 | return (int) (revFlag ? GINT64_FROM_LE(x): x); |
6cd62ccf |
556 | } |
8d1e6362 |
557 | g_critical("ltt_event_get_int : field size %i unknown", f->field_size); |
558 | return 0; |
6cd62ccf |
559 | } |
560 | |
963b5f2d |
561 | unsigned long ltt_event_get_long_unsigned(LttEvent *e, LttField *f) |
6cd62ccf |
562 | { |
963b5f2d |
563 | int revFlag = e->tracefile->trace->my_arch_endian == |
564 | e->tracefile->trace->system_description->endian ? 0:1; |
565 | LttTypeEnum t = f->field_type->type_class; |
6cd62ccf |
566 | |
2a74fbf4 |
567 | g_assert(t == LTT_UINT || t == LTT_ENUM); |
6cd62ccf |
568 | |
b7b36242 |
569 | if(f->field_size == 1){ |
cbd41522 |
570 | guint8 x = *(guint8 *)(e->data + f->offset_root); |
b7b36242 |
571 | return (unsigned long) x; |
572 | }else if(f->field_size == 2){ |
cbd41522 |
573 | guint16 x = *(guint16 *)(e->data + f->offset_root); |
574 | if(e->tracefile->trace->my_arch_endian == LTT_LITTLE_ENDIAN) |
575 | return (unsigned long) (revFlag ? GUINT16_FROM_BE(x): x); |
576 | else |
577 | return (unsigned long) (revFlag ? GUINT16_FROM_LE(x): x); |
b7b36242 |
578 | }else if(f->field_size == 4){ |
cbd41522 |
579 | guint32 x = *(guint32 *)(e->data + f->offset_root); |
580 | if(e->tracefile->trace->my_arch_endian == LTT_LITTLE_ENDIAN) |
581 | return (unsigned long) (revFlag ? GUINT32_FROM_BE(x): x); |
582 | else |
583 | return (unsigned long) (revFlag ? GUINT32_FROM_LE(x): x); |
b7b36242 |
584 | }else if(f->field_size == 8){ |
cbd41522 |
585 | guint64 x = *(guint64 *)(e->data + f->offset_root); |
586 | if(e->tracefile->trace->my_arch_endian == LTT_LITTLE_ENDIAN) |
587 | return (unsigned long) (revFlag ? GUINT64_FROM_BE(x): x); |
588 | else |
589 | return (unsigned long) (revFlag ? GUINT64_FROM_LE(x): x); |
6cd62ccf |
590 | } |
8d1e6362 |
591 | g_critical("ltt_event_get_long_unsigned : field size %i unknown", f->field_size); |
592 | return 0; |
6cd62ccf |
593 | } |
594 | |
963b5f2d |
595 | long int ltt_event_get_long_int(LttEvent *e, LttField *f) |
6cd62ccf |
596 | { |
963b5f2d |
597 | int revFlag = e->tracefile->trace->my_arch_endian == |
598 | e->tracefile->trace->system_description->endian ? 0:1; |
6cd62ccf |
599 | |
2a74fbf4 |
600 | g_assert( f->field_type->type_class == LTT_INT); |
6cd62ccf |
601 | |
b7b36242 |
602 | if(f->field_size == 1){ |
cbd41522 |
603 | gint8 x = *(gint8 *)(e->data + f->offset_root); |
b7b36242 |
604 | return (long) x; |
605 | }else if(f->field_size == 2){ |
cbd41522 |
606 | gint16 x = *(gint16 *)(e->data + f->offset_root); |
607 | if(e->tracefile->trace->my_arch_endian == LTT_LITTLE_ENDIAN) |
608 | return (long) (revFlag ? GINT16_FROM_BE(x): x); |
609 | else |
610 | return (long) (revFlag ? GINT16_FROM_LE(x): x); |
b7b36242 |
611 | }else if(f->field_size == 4){ |
cbd41522 |
612 | gint32 x = *(gint32 *)(e->data + f->offset_root); |
613 | if(e->tracefile->trace->my_arch_endian == LTT_LITTLE_ENDIAN) |
614 | return (long) (revFlag ? GINT32_FROM_BE(x): x); |
615 | else |
616 | return (long) (revFlag ? GINT32_FROM_LE(x): x); |
b7b36242 |
617 | }else if(f->field_size == 8){ |
cbd41522 |
618 | gint64 x = *(gint64 *)(e->data + f->offset_root); |
619 | if(e->tracefile->trace->my_arch_endian == LTT_LITTLE_ENDIAN) |
620 | return (long) (revFlag ? GINT64_FROM_BE(x): x); |
621 | else |
622 | return (long) (revFlag ? GINT64_FROM_LE(x): x); |
6cd62ccf |
623 | } |
8d1e6362 |
624 | g_critical("ltt_event_get_long_int : field size %i unknown", f->field_size); |
625 | return 0; |
6cd62ccf |
626 | } |
627 | |
963b5f2d |
628 | float ltt_event_get_float(LttEvent *e, LttField *f) |
6cd62ccf |
629 | { |
963b5f2d |
630 | int revFlag = e->tracefile->trace->my_arch_endian == |
631 | e->tracefile->trace->system_description->endian ? 0:1; |
6cd62ccf |
632 | |
2a74fbf4 |
633 | g_assert(f->field_type->type_class == LTT_FLOAT && f->field_size == 4); |
6cd62ccf |
634 | |
635 | if(revFlag == 0) return *(float *)(e->data + f->offset_root); |
636 | else{ |
cbd41522 |
637 | guint32 aInt; |
6cd62ccf |
638 | memcpy((void*)&aInt, e->data + f->offset_root, 4); |
639 | aInt = ___swab32(aInt); |
640 | return *((float*)&aInt); |
641 | } |
642 | } |
643 | |
963b5f2d |
644 | double ltt_event_get_double(LttEvent *e, LttField *f) |
6cd62ccf |
645 | { |
963b5f2d |
646 | int revFlag = e->tracefile->trace->my_arch_endian == |
647 | e->tracefile->trace->system_description->endian ? 0:1; |
6cd62ccf |
648 | |
2a74fbf4 |
649 | g_assert(f->field_type->type_class == LTT_FLOAT && f->field_size == 8); |
6cd62ccf |
650 | |
651 | if(revFlag == 0) return *(double *)(e->data + f->offset_root); |
652 | else{ |
cbd41522 |
653 | guint64 aInt; |
6cd62ccf |
654 | memcpy((void*)&aInt, e->data + f->offset_root, 8); |
655 | aInt = ___swab64(aInt); |
656 | return *((double *)&aInt); |
657 | } |
658 | } |
659 | |
660 | /***************************************************************************** |
661 | * The string obtained is only valid until the next read from |
908f42fa |
662 | * the same tracefile. |
6cd62ccf |
663 | ****************************************************************************/ |
664 | |
963b5f2d |
665 | char *ltt_event_get_string(LttEvent *e, LttField *f) |
6cd62ccf |
666 | { |
2a74fbf4 |
667 | g_assert(f->field_type->type_class == LTT_STRING); |
668 | |
6cd62ccf |
669 | return (char*)g_strdup((char*)(e->data + f->offset_root)); |
670 | } |