Merge tag 'trace-v6.5-2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux...
[platform/kernel/linux-starfive.git] / tools / perf / util / parse-events.y
1 %define api.pure full
2 %parse-param {void *_parse_state}
3 %parse-param {void *scanner}
4 %lex-param {void* scanner}
5 %locations
6
7 %{
8
9 #define YYDEBUG 1
10
11 #include <errno.h>
12 #include <fnmatch.h>
13 #include <stdio.h>
14 #include <linux/compiler.h>
15 #include <linux/types.h>
16 #include <linux/zalloc.h>
17 #include "pmu.h"
18 #include "pmus.h"
19 #include "evsel.h"
20 #include "parse-events.h"
21 #include "parse-events-bison.h"
22
23 void parse_events_error(YYLTYPE *loc, void *parse_state, void *scanner, char const *msg);
24
25 #define ABORT_ON(val) \
26 do { \
27         if (val) \
28                 YYABORT; \
29 } while (0)
30
31 static struct list_head* alloc_list(void)
32 {
33         struct list_head *list;
34
35         list = malloc(sizeof(*list));
36         if (!list)
37                 return NULL;
38
39         INIT_LIST_HEAD(list);
40         return list;
41 }
42
43 static void free_list_evsel(struct list_head* list_evsel)
44 {
45         struct evsel *evsel, *tmp;
46
47         list_for_each_entry_safe(evsel, tmp, list_evsel, core.node) {
48                 list_del_init(&evsel->core.node);
49                 evsel__delete(evsel);
50         }
51         free(list_evsel);
52 }
53
54 %}
55
56 %token PE_START_EVENTS PE_START_TERMS
57 %token PE_VALUE PE_VALUE_SYM_HW PE_VALUE_SYM_SW PE_TERM
58 %token PE_VALUE_SYM_TOOL
59 %token PE_EVENT_NAME
60 %token PE_RAW PE_NAME
61 %token PE_BPF_OBJECT PE_BPF_SOURCE
62 %token PE_MODIFIER_EVENT PE_MODIFIER_BP PE_BP_COLON PE_BP_SLASH
63 %token PE_LEGACY_CACHE
64 %token PE_PREFIX_MEM PE_PREFIX_RAW PE_PREFIX_GROUP
65 %token PE_ERROR
66 %token PE_KERNEL_PMU_EVENT PE_PMU_EVENT_FAKE
67 %token PE_ARRAY_ALL PE_ARRAY_RANGE
68 %token PE_DRV_CFG_TERM
69 %token PE_TERM_HW
70 %type <num> PE_VALUE
71 %type <num> PE_VALUE_SYM_HW
72 %type <num> PE_VALUE_SYM_SW
73 %type <num> PE_VALUE_SYM_TOOL
74 %type <num> PE_TERM
75 %type <num> value_sym
76 %type <str> PE_RAW
77 %type <str> PE_NAME
78 %type <str> PE_BPF_OBJECT
79 %type <str> PE_BPF_SOURCE
80 %type <str> PE_LEGACY_CACHE
81 %type <str> PE_MODIFIER_EVENT
82 %type <str> PE_MODIFIER_BP
83 %type <str> PE_EVENT_NAME
84 %type <str> PE_KERNEL_PMU_EVENT PE_PMU_EVENT_FAKE
85 %type <str> PE_DRV_CFG_TERM
86 %type <str> name_or_raw name_or_legacy
87 %destructor { free ($$); } <str>
88 %type <term> event_term
89 %destructor { parse_events_term__delete ($$); } <term>
90 %type <list_terms> event_config
91 %type <list_terms> opt_event_config
92 %type <list_terms> opt_pmu_config
93 %destructor { parse_events_terms__delete ($$); } <list_terms>
94 %type <list_evsel> event_pmu
95 %type <list_evsel> event_legacy_symbol
96 %type <list_evsel> event_legacy_cache
97 %type <list_evsel> event_legacy_mem
98 %type <list_evsel> event_legacy_tracepoint
99 %type <list_evsel> event_legacy_numeric
100 %type <list_evsel> event_legacy_raw
101 %type <list_evsel> event_bpf_file
102 %type <list_evsel> event_def
103 %type <list_evsel> event_mod
104 %type <list_evsel> event_name
105 %type <list_evsel> event
106 %type <list_evsel> events
107 %type <list_evsel> group_def
108 %type <list_evsel> group
109 %type <list_evsel> groups
110 %destructor { free_list_evsel ($$); } <list_evsel>
111 %type <tracepoint_name> tracepoint_name
112 %destructor { free ($$.sys); free ($$.event); } <tracepoint_name>
113 %type <array> array
114 %type <array> array_term
115 %type <array> array_terms
116 %destructor { free ($$.ranges); } <array>
117 %type <hardware_term> PE_TERM_HW
118 %destructor { free ($$.str); } <hardware_term>
119
120 %union
121 {
122         char *str;
123         u64 num;
124         struct list_head *list_evsel;
125         struct list_head *list_terms;
126         struct parse_events_term *term;
127         struct tracepoint_name {
128                 char *sys;
129                 char *event;
130         } tracepoint_name;
131         struct parse_events_array array;
132         struct hardware_term {
133                 char *str;
134                 u64 num;
135         } hardware_term;
136 }
137 %%
138
139 start:
140 PE_START_EVENTS start_events
141 |
142 PE_START_TERMS  start_terms
143
144 start_events: groups
145 {
146         struct parse_events_state *parse_state = _parse_state;
147
148         /* frees $1 */
149         parse_events_update_lists($1, &parse_state->list);
150 }
151
152 groups:
153 groups ',' group
154 {
155         struct list_head *list  = $1;
156         struct list_head *group = $3;
157
158         /* frees $3 */
159         parse_events_update_lists(group, list);
160         $$ = list;
161 }
162 |
163 groups ',' event
164 {
165         struct list_head *list  = $1;
166         struct list_head *event = $3;
167
168         /* frees $3 */
169         parse_events_update_lists(event, list);
170         $$ = list;
171 }
172 |
173 group
174 |
175 event
176
177 group:
178 group_def ':' PE_MODIFIER_EVENT
179 {
180         struct list_head *list = $1;
181         int err;
182
183         err = parse_events__modifier_group(list, $3);
184         free($3);
185         if (err) {
186                 struct parse_events_state *parse_state = _parse_state;
187                 struct parse_events_error *error = parse_state->error;
188
189                 parse_events_error__handle(error, @3.first_column,
190                                            strdup("Bad modifier"), NULL);
191                 free_list_evsel(list);
192                 YYABORT;
193         }
194         $$ = list;
195 }
196 |
197 group_def
198
199 group_def:
200 PE_NAME '{' events '}'
201 {
202         struct list_head *list = $3;
203
204         /* Takes ownership of $1. */
205         parse_events__set_leader($1, list);
206         $$ = list;
207 }
208 |
209 '{' events '}'
210 {
211         struct list_head *list = $2;
212
213         parse_events__set_leader(NULL, list);
214         $$ = list;
215 }
216
217 events:
218 events ',' event
219 {
220         struct list_head *event = $3;
221         struct list_head *list  = $1;
222
223         /* frees $3 */
224         parse_events_update_lists(event, list);
225         $$ = list;
226 }
227 |
228 event
229
230 event: event_mod
231
232 event_mod:
233 event_name PE_MODIFIER_EVENT
234 {
235         struct list_head *list = $1;
236         int err;
237
238         /*
239          * Apply modifier on all events added by single event definition
240          * (there could be more events added for multiple tracepoint
241          * definitions via '*?'.
242          */
243         err = parse_events__modifier_event(list, $2, false);
244         free($2);
245         if (err) {
246                 struct parse_events_state *parse_state = _parse_state;
247                 struct parse_events_error *error = parse_state->error;
248
249                 parse_events_error__handle(error, @2.first_column,
250                                            strdup("Bad modifier"), NULL);
251                 free_list_evsel(list);
252                 YYABORT;
253         }
254         $$ = list;
255 }
256 |
257 event_name
258
259 event_name:
260 PE_EVENT_NAME event_def
261 {
262         int err;
263
264         err = parse_events_name($2, $1);
265         free($1);
266         if (err) {
267                 free_list_evsel($2);
268                 YYABORT;
269         }
270         $$ = $2;
271 }
272 |
273 event_def
274
275 event_def: event_pmu |
276            event_legacy_symbol |
277            event_legacy_cache sep_dc |
278            event_legacy_mem sep_dc |
279            event_legacy_tracepoint sep_dc |
280            event_legacy_numeric sep_dc |
281            event_legacy_raw sep_dc |
282            event_bpf_file
283
284 event_pmu:
285 PE_NAME opt_pmu_config
286 {
287         struct parse_events_state *parse_state = _parse_state;
288         struct parse_events_error *error = parse_state->error;
289         struct list_head *list = NULL, *orig_terms = NULL, *terms= NULL;
290         char *pattern = NULL;
291
292 #define CLEANUP_YYABORT                                 \
293         do {                                            \
294                 parse_events_terms__delete($2);         \
295                 parse_events_terms__delete(orig_terms); \
296                 free(list);                             \
297                 free($1);                               \
298                 free(pattern);                          \
299                 YYABORT;                                \
300         } while(0)
301
302         if (parse_events_copy_term_list($2, &orig_terms))
303                 CLEANUP_YYABORT;
304
305         if (error)
306                 error->idx = @1.first_column;
307
308         list = alloc_list();
309         if (!list)
310                 CLEANUP_YYABORT;
311         /* Attempt to add to list assuming $1 is a PMU name. */
312         if (parse_events_add_pmu(parse_state, list, $1, $2, /*auto_merge_stats=*/false)) {
313                 struct perf_pmu *pmu = NULL;
314                 int ok = 0;
315
316                 /* Failure to add, try wildcard expansion of $1 as a PMU name. */
317                 if (asprintf(&pattern, "%s*", $1) < 0)
318                         CLEANUP_YYABORT;
319
320                 while ((pmu = perf_pmus__scan(pmu)) != NULL) {
321                         char *name = pmu->name;
322
323                         if (parse_events__filter_pmu(parse_state, pmu))
324                                 continue;
325
326                         if (!strncmp(name, "uncore_", 7) &&
327                             strncmp($1, "uncore_", 7))
328                                 name += 7;
329                         if (!perf_pmu__match(pattern, name, $1) ||
330                             !perf_pmu__match(pattern, pmu->alias_name, $1)) {
331                                 bool auto_merge_stats = perf_pmu__auto_merge_stats(pmu);
332
333                                 if (parse_events_copy_term_list(orig_terms, &terms))
334                                         CLEANUP_YYABORT;
335                                 if (!parse_events_add_pmu(parse_state, list, pmu->name, terms,
336                                                           auto_merge_stats)) {
337                                         ok++;
338                                         parse_state->wild_card_pmus = true;
339                                 }
340                                 parse_events_terms__delete(terms);
341                         }
342                 }
343
344                 if (!ok) {
345                         /* Failure to add, assume $1 is an event name. */
346                         zfree(&list);
347                         ok = !parse_events_multi_pmu_add(parse_state, $1, $2, &list);
348                         $2 = NULL;
349                 }
350                 if (!ok)
351                         CLEANUP_YYABORT;
352         }
353         parse_events_terms__delete($2);
354         parse_events_terms__delete(orig_terms);
355         free(pattern);
356         free($1);
357         $$ = list;
358 #undef CLEANUP_YYABORT
359 }
360 |
361 PE_KERNEL_PMU_EVENT sep_dc
362 {
363         struct list_head *list;
364         int err;
365
366         err = parse_events_multi_pmu_add(_parse_state, $1, NULL, &list);
367         free($1);
368         if (err < 0)
369                 YYABORT;
370         $$ = list;
371 }
372 |
373 PE_NAME sep_dc
374 {
375         struct list_head *list;
376         int err;
377
378         err = parse_events_multi_pmu_add(_parse_state, $1, NULL, &list);
379         free($1);
380         if (err < 0)
381                 YYABORT;
382         $$ = list;
383 }
384 |
385 PE_KERNEL_PMU_EVENT opt_pmu_config
386 {
387         struct list_head *list;
388         int err;
389
390         /* frees $2 */
391         err = parse_events_multi_pmu_add(_parse_state, $1, $2, &list);
392         free($1);
393         if (err < 0)
394                 YYABORT;
395         $$ = list;
396 }
397 |
398 PE_PMU_EVENT_FAKE sep_dc
399 {
400         struct list_head *list;
401         int err;
402
403         list = alloc_list();
404         if (!list)
405                 YYABORT;
406
407         err = parse_events_add_pmu(_parse_state, list, $1, /*head_config=*/NULL,
408                                    /*auto_merge_stats=*/false);
409         free($1);
410         if (err < 0) {
411                 free(list);
412                 YYABORT;
413         }
414         $$ = list;
415 }
416 |
417 PE_PMU_EVENT_FAKE opt_pmu_config
418 {
419         struct list_head *list;
420         int err;
421
422         list = alloc_list();
423         if (!list)
424                 YYABORT;
425
426         err = parse_events_add_pmu(_parse_state, list, $1, $2, /*auto_merge_stats=*/false);
427         free($1);
428         parse_events_terms__delete($2);
429         if (err < 0) {
430                 free(list);
431                 YYABORT;
432         }
433         $$ = list;
434 }
435
436 value_sym:
437 PE_VALUE_SYM_HW
438 |
439 PE_VALUE_SYM_SW
440
441 event_legacy_symbol:
442 value_sym '/' event_config '/'
443 {
444         struct list_head *list;
445         int type = $1 >> 16;
446         int config = $1 & 255;
447         int err;
448         bool wildcard = (type == PERF_TYPE_HARDWARE || type == PERF_TYPE_HW_CACHE);
449
450         list = alloc_list();
451         ABORT_ON(!list);
452         err = parse_events_add_numeric(_parse_state, list, type, config, $3, wildcard);
453         parse_events_terms__delete($3);
454         if (err) {
455                 free_list_evsel(list);
456                 YYABORT;
457         }
458         $$ = list;
459 }
460 |
461 value_sym sep_slash_slash_dc
462 {
463         struct list_head *list;
464         int type = $1 >> 16;
465         int config = $1 & 255;
466         bool wildcard = (type == PERF_TYPE_HARDWARE || type == PERF_TYPE_HW_CACHE);
467
468         list = alloc_list();
469         ABORT_ON(!list);
470         ABORT_ON(parse_events_add_numeric(_parse_state, list, type, config,
471                                           /*head_config=*/NULL, wildcard));
472         $$ = list;
473 }
474 |
475 PE_VALUE_SYM_TOOL sep_slash_slash_dc
476 {
477         struct list_head *list;
478
479         list = alloc_list();
480         ABORT_ON(!list);
481         ABORT_ON(parse_events_add_tool(_parse_state, list, $1));
482         $$ = list;
483 }
484
485 event_legacy_cache:
486 PE_LEGACY_CACHE opt_event_config
487 {
488         struct parse_events_state *parse_state = _parse_state;
489         struct list_head *list;
490         int err;
491
492         list = alloc_list();
493         ABORT_ON(!list);
494         err = parse_events_add_cache(list, &parse_state->idx, $1, parse_state, $2);
495
496         parse_events_terms__delete($2);
497         free($1);
498         if (err) {
499                 free_list_evsel(list);
500                 YYABORT;
501         }
502         $$ = list;
503 }
504
505 event_legacy_mem:
506 PE_PREFIX_MEM PE_VALUE PE_BP_SLASH PE_VALUE PE_BP_COLON PE_MODIFIER_BP opt_event_config
507 {
508         struct list_head *list;
509         int err;
510
511         list = alloc_list();
512         ABORT_ON(!list);
513         err = parse_events_add_breakpoint(_parse_state, list,
514                                           $2, $6, $4, $7);
515         parse_events_terms__delete($7);
516         free($6);
517         if (err) {
518                 free(list);
519                 YYABORT;
520         }
521         $$ = list;
522 }
523 |
524 PE_PREFIX_MEM PE_VALUE PE_BP_SLASH PE_VALUE opt_event_config
525 {
526         struct list_head *list;
527         int err;
528
529         list = alloc_list();
530         ABORT_ON(!list);
531         err = parse_events_add_breakpoint(_parse_state, list,
532                                           $2, NULL, $4, $5);
533         parse_events_terms__delete($5);
534         if (err) {
535                 free(list);
536                 YYABORT;
537         }
538         $$ = list;
539 }
540 |
541 PE_PREFIX_MEM PE_VALUE PE_BP_COLON PE_MODIFIER_BP opt_event_config
542 {
543         struct list_head *list;
544         int err;
545
546         list = alloc_list();
547         ABORT_ON(!list);
548         err = parse_events_add_breakpoint(_parse_state, list,
549                                           $2, $4, 0, $5);
550         parse_events_terms__delete($5);
551         free($4);
552         if (err) {
553                 free(list);
554                 YYABORT;
555         }
556         $$ = list;
557 }
558 |
559 PE_PREFIX_MEM PE_VALUE opt_event_config
560 {
561         struct list_head *list;
562         int err;
563
564         list = alloc_list();
565         ABORT_ON(!list);
566         err = parse_events_add_breakpoint(_parse_state, list,
567                                           $2, NULL, 0, $3);
568         parse_events_terms__delete($3);
569         if (err) {
570                 free(list);
571                 YYABORT;
572         }
573         $$ = list;
574 }
575
576 event_legacy_tracepoint:
577 tracepoint_name opt_event_config
578 {
579         struct parse_events_state *parse_state = _parse_state;
580         struct parse_events_error *error = parse_state->error;
581         struct list_head *list;
582         int err;
583
584         list = alloc_list();
585         ABORT_ON(!list);
586         if (error)
587                 error->idx = @1.first_column;
588
589         err = parse_events_add_tracepoint(list, &parse_state->idx, $1.sys, $1.event,
590                                         error, $2);
591
592         parse_events_terms__delete($2);
593         free($1.sys);
594         free($1.event);
595         if (err) {
596                 free(list);
597                 YYABORT;
598         }
599         $$ = list;
600 }
601
602 tracepoint_name:
603 PE_NAME ':' PE_NAME
604 {
605         struct tracepoint_name tracepoint = {$1, $3};
606
607         $$ = tracepoint;
608 }
609
610 event_legacy_numeric:
611 PE_VALUE ':' PE_VALUE opt_event_config
612 {
613         struct list_head *list;
614         int err;
615
616         list = alloc_list();
617         ABORT_ON(!list);
618         err = parse_events_add_numeric(_parse_state, list, (u32)$1, $3, $4,
619                                        /*wildcard=*/false);
620         parse_events_terms__delete($4);
621         if (err) {
622                 free(list);
623                 YYABORT;
624         }
625         $$ = list;
626 }
627
628 event_legacy_raw:
629 PE_RAW opt_event_config
630 {
631         struct list_head *list;
632         int err;
633         u64 num;
634
635         list = alloc_list();
636         ABORT_ON(!list);
637         errno = 0;
638         num = strtoull($1 + 1, NULL, 16);
639         ABORT_ON(errno);
640         free($1);
641         err = parse_events_add_numeric(_parse_state, list, PERF_TYPE_RAW, num, $2,
642                                        /*wildcard=*/false);
643         parse_events_terms__delete($2);
644         if (err) {
645                 free(list);
646                 YYABORT;
647         }
648         $$ = list;
649 }
650
651 event_bpf_file:
652 PE_BPF_OBJECT opt_event_config
653 {
654         struct parse_events_state *parse_state = _parse_state;
655         struct list_head *list;
656         int err;
657
658         list = alloc_list();
659         ABORT_ON(!list);
660         err = parse_events_load_bpf(parse_state, list, $1, false, $2);
661         parse_events_terms__delete($2);
662         free($1);
663         if (err) {
664                 free(list);
665                 YYABORT;
666         }
667         $$ = list;
668 }
669 |
670 PE_BPF_SOURCE opt_event_config
671 {
672         struct list_head *list;
673         int err;
674
675         list = alloc_list();
676         ABORT_ON(!list);
677         err = parse_events_load_bpf(_parse_state, list, $1, true, $2);
678         parse_events_terms__delete($2);
679         if (err) {
680                 free(list);
681                 YYABORT;
682         }
683         $$ = list;
684 }
685
686 opt_event_config:
687 '/' event_config '/'
688 {
689         $$ = $2;
690 }
691 |
692 '/' '/'
693 {
694         $$ = NULL;
695 }
696 |
697 {
698         $$ = NULL;
699 }
700
701 opt_pmu_config:
702 '/' event_config '/'
703 {
704         $$ = $2;
705 }
706 |
707 '/' '/'
708 {
709         $$ = NULL;
710 }
711
712 start_terms: event_config
713 {
714         struct parse_events_state *parse_state = _parse_state;
715         if (parse_state->terms) {
716                 parse_events_terms__delete ($1);
717                 YYABORT;
718         }
719         parse_state->terms = $1;
720 }
721
722 event_config:
723 event_config ',' event_term
724 {
725         struct list_head *head = $1;
726         struct parse_events_term *term = $3;
727
728         if (!head) {
729                 parse_events_term__delete(term);
730                 YYABORT;
731         }
732         list_add_tail(&term->list, head);
733         $$ = $1;
734 }
735 |
736 event_term
737 {
738         struct list_head *head = malloc(sizeof(*head));
739         struct parse_events_term *term = $1;
740
741         ABORT_ON(!head);
742         INIT_LIST_HEAD(head);
743         list_add_tail(&term->list, head);
744         $$ = head;
745 }
746
747 name_or_raw: PE_RAW | PE_NAME | PE_LEGACY_CACHE
748
749 name_or_legacy: PE_NAME | PE_LEGACY_CACHE
750
751 event_term:
752 PE_RAW
753 {
754         struct parse_events_term *term;
755
756         if (parse_events_term__str(&term, PARSE_EVENTS__TERM_TYPE_RAW,
757                                         strdup("raw"), $1, &@1, &@1)) {
758                 free($1);
759                 YYABORT;
760         }
761         $$ = term;
762 }
763 |
764 name_or_raw '=' name_or_legacy
765 {
766         struct parse_events_term *term;
767
768         if (parse_events_term__str(&term, PARSE_EVENTS__TERM_TYPE_USER,
769                                         $1, $3, &@1, &@3)) {
770                 free($1);
771                 free($3);
772                 YYABORT;
773         }
774         $$ = term;
775 }
776 |
777 name_or_raw '=' PE_VALUE
778 {
779         struct parse_events_term *term;
780
781         if (parse_events_term__num(&term, PARSE_EVENTS__TERM_TYPE_USER,
782                                         $1, $3, false, &@1, &@3)) {
783                 free($1);
784                 YYABORT;
785         }
786         $$ = term;
787 }
788 |
789 name_or_raw '=' PE_TERM_HW
790 {
791         struct parse_events_term *term;
792
793         if (parse_events_term__str(&term, PARSE_EVENTS__TERM_TYPE_USER,
794                                         $1, $3.str, &@1, &@3)) {
795                 free($1);
796                 free($3.str);
797                 YYABORT;
798         }
799         $$ = term;
800 }
801 |
802 PE_LEGACY_CACHE
803 {
804         struct parse_events_term *term;
805
806         if (parse_events_term__num(&term, PARSE_EVENTS__TERM_TYPE_LEGACY_CACHE,
807                                         $1, 1, true, &@1, NULL)) {
808                 free($1);
809                 YYABORT;
810         }
811         $$ = term;
812 }
813 |
814 PE_NAME
815 {
816         struct parse_events_term *term;
817
818         if (parse_events_term__num(&term, PARSE_EVENTS__TERM_TYPE_USER,
819                                         $1, 1, true, &@1, NULL)) {
820                 free($1);
821                 YYABORT;
822         }
823         $$ = term;
824 }
825 |
826 PE_TERM_HW
827 {
828         struct parse_events_term *term;
829
830         if (parse_events_term__num(&term, PARSE_EVENTS__TERM_TYPE_HARDWARE,
831                                    $1.str, $1.num & 255, false, &@1, NULL)) {
832                 free($1.str);
833                 YYABORT;
834         }
835         $$ = term;
836 }
837 |
838 PE_TERM '=' name_or_legacy
839 {
840         struct parse_events_term *term;
841
842         if (parse_events_term__str(&term, (int)$1, NULL, $3, &@1, &@3)) {
843                 free($3);
844                 YYABORT;
845         }
846         $$ = term;
847 }
848 |
849 PE_TERM '=' PE_TERM_HW
850 {
851         struct parse_events_term *term;
852
853         if (parse_events_term__str(&term, (int)$1, NULL, $3.str, &@1, &@3)) {
854                 free($3.str);
855                 YYABORT;
856         }
857         $$ = term;
858 }
859 |
860 PE_TERM '=' PE_TERM
861 {
862         struct parse_events_term *term;
863
864         ABORT_ON(parse_events_term__term(&term, (int)$1, (int)$3, &@1, &@3));
865         $$ = term;
866 }
867 |
868 PE_TERM '=' PE_VALUE
869 {
870         struct parse_events_term *term;
871
872         ABORT_ON(parse_events_term__num(&term, (int)$1, NULL, $3, false, &@1, &@3));
873         $$ = term;
874 }
875 |
876 PE_TERM
877 {
878         struct parse_events_term *term;
879
880         ABORT_ON(parse_events_term__num(&term, (int)$1, NULL, 1, true, &@1, NULL));
881         $$ = term;
882 }
883 |
884 name_or_raw array '=' name_or_legacy
885 {
886         struct parse_events_term *term;
887
888         if (parse_events_term__str(&term, PARSE_EVENTS__TERM_TYPE_USER,
889                                         $1, $4, &@1, &@4)) {
890                 free($1);
891                 free($4);
892                 free($2.ranges);
893                 YYABORT;
894         }
895         term->array = $2;
896         $$ = term;
897 }
898 |
899 name_or_raw array '=' PE_VALUE
900 {
901         struct parse_events_term *term;
902
903         if (parse_events_term__num(&term, PARSE_EVENTS__TERM_TYPE_USER,
904                                         $1, $4, false, &@1, &@4)) {
905                 free($1);
906                 free($2.ranges);
907                 YYABORT;
908         }
909         term->array = $2;
910         $$ = term;
911 }
912 |
913 PE_DRV_CFG_TERM
914 {
915         struct parse_events_term *term;
916         char *config = strdup($1);
917
918         ABORT_ON(!config);
919         if (parse_events_term__str(&term, PARSE_EVENTS__TERM_TYPE_DRV_CFG,
920                                         config, $1, &@1, NULL)) {
921                 free($1);
922                 free(config);
923                 YYABORT;
924         }
925         $$ = term;
926 }
927
928 array:
929 '[' array_terms ']'
930 {
931         $$ = $2;
932 }
933 |
934 PE_ARRAY_ALL
935 {
936         $$.nr_ranges = 0;
937         $$.ranges = NULL;
938 }
939
940 array_terms:
941 array_terms ',' array_term
942 {
943         struct parse_events_array new_array;
944
945         new_array.nr_ranges = $1.nr_ranges + $3.nr_ranges;
946         new_array.ranges = realloc($1.ranges,
947                                 sizeof(new_array.ranges[0]) *
948                                 new_array.nr_ranges);
949         ABORT_ON(!new_array.ranges);
950         memcpy(&new_array.ranges[$1.nr_ranges], $3.ranges,
951                $3.nr_ranges * sizeof(new_array.ranges[0]));
952         free($3.ranges);
953         $$ = new_array;
954 }
955 |
956 array_term
957
958 array_term:
959 PE_VALUE
960 {
961         struct parse_events_array array;
962
963         array.nr_ranges = 1;
964         array.ranges = malloc(sizeof(array.ranges[0]));
965         ABORT_ON(!array.ranges);
966         array.ranges[0].start = $1;
967         array.ranges[0].length = 1;
968         $$ = array;
969 }
970 |
971 PE_VALUE PE_ARRAY_RANGE PE_VALUE
972 {
973         struct parse_events_array array;
974
975         ABORT_ON($3 < $1);
976         array.nr_ranges = 1;
977         array.ranges = malloc(sizeof(array.ranges[0]));
978         ABORT_ON(!array.ranges);
979         array.ranges[0].start = $1;
980         array.ranges[0].length = $3 - $1 + 1;
981         $$ = array;
982 }
983
984 sep_dc: ':' |
985
986 sep_slash_slash_dc: '/' '/' | ':' |
987
988 %%
989
990 void parse_events_error(YYLTYPE *loc, void *parse_state,
991                         void *scanner __maybe_unused,
992                         char const *msg __maybe_unused)
993 {
994         parse_events_evlist_error(parse_state, loc->last_column, "parser error");
995 }