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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 | %pure-parser %name-prefix "parse_events_" %parse-param {void *_data} %parse-param {void *scanner} %lex-param {void* scanner} %{ #define YYDEBUG 1 #include <linux/compiler.h> #include <linux/list.h> #include "types.h" #include "util.h" #include "parse-events.h" #include "parse-events-bison.h" extern int parse_events_lex (YYSTYPE* lvalp, void* scanner); #define ABORT_ON(val) \ do { \ if (val) \ YYABORT; \ } while (0) %} %token PE_START_EVENTS PE_START_TERMS %token PE_VALUE PE_VALUE_SYM_HW PE_VALUE_SYM_SW PE_RAW PE_TERM %token PE_NAME %token PE_MODIFIER_EVENT PE_MODIFIER_BP %token PE_NAME_CACHE_TYPE PE_NAME_CACHE_OP_RESULT %token PE_PREFIX_MEM PE_PREFIX_RAW %token PE_ERROR %type <num> PE_VALUE %type <num> PE_VALUE_SYM_HW %type <num> PE_VALUE_SYM_SW %type <num> PE_RAW %type <num> PE_TERM %type <str> PE_NAME %type <str> PE_NAME_CACHE_TYPE %type <str> PE_NAME_CACHE_OP_RESULT %type <str> PE_MODIFIER_EVENT %type <str> PE_MODIFIER_BP %type <num> value_sym %type <head> event_config %type <term> event_term %type <head> event_pmu %type <head> event_legacy_symbol %type <head> event_legacy_cache %type <head> event_legacy_mem %type <head> event_legacy_tracepoint %type <head> event_legacy_numeric %type <head> event_legacy_raw %type <head> event_def %union { char *str; unsigned long num; struct list_head *head; struct parse_events__term *term; } %% start: PE_START_EVENTS events | PE_START_TERMS terms events: events ',' event | event event: event_def PE_MODIFIER_EVENT { struct parse_events_data__events *data = _data; /* * Apply modifier on all events added by single event definition * (there could be more events added for multiple tracepoint * definitions via '*?'. */ ABORT_ON(parse_events_modifier($1, $2)); parse_events_update_lists($1, &data->list); } | event_def { struct parse_events_data__events *data = _data; parse_events_update_lists($1, &data->list); } event_def: event_pmu | event_legacy_symbol | event_legacy_cache sep_dc | event_legacy_mem | event_legacy_tracepoint sep_dc | event_legacy_numeric sep_dc | event_legacy_raw sep_dc event_pmu: PE_NAME '/' event_config '/' { struct parse_events_data__events *data = _data; struct list_head *list = NULL; ABORT_ON(parse_events_add_pmu(&list, &data->idx, $1, $3)); parse_events__free_terms($3); $$ = list; } value_sym: PE_VALUE_SYM_HW | PE_VALUE_SYM_SW event_legacy_symbol: value_sym '/' event_config '/' { struct parse_events_data__events *data = _data; struct list_head *list = NULL; int type = $1 >> 16; int config = $1 & 255; ABORT_ON(parse_events_add_numeric(&list, &data->idx, type, config, $3)); parse_events__free_terms($3); $$ = list; } | value_sym sep_slash_dc { struct parse_events_data__events *data = _data; struct list_head *list = NULL; int type = $1 >> 16; int config = $1 & 255; ABORT_ON(parse_events_add_numeric(&list, &data->idx, type, config, NULL)); $$ = list; } event_legacy_cache: PE_NAME_CACHE_TYPE '-' PE_NAME_CACHE_OP_RESULT '-' PE_NAME_CACHE_OP_RESULT { struct parse_events_data__events *data = _data; struct list_head *list = NULL; ABORT_ON(parse_events_add_cache(&list, &data->idx, $1, $3, $5)); $$ = list; } | PE_NAME_CACHE_TYPE '-' PE_NAME_CACHE_OP_RESULT { struct parse_events_data__events *data = _data; struct list_head *list = NULL; ABORT_ON(parse_events_add_cache(&list, &data->idx, $1, $3, NULL)); $$ = list; } | PE_NAME_CACHE_TYPE { struct parse_events_data__events *data = _data; struct list_head *list = NULL; ABORT_ON(parse_events_add_cache(&list, &data->idx, $1, NULL, NULL)); $$ = list; } event_legacy_mem: PE_PREFIX_MEM PE_VALUE ':' PE_MODIFIER_BP sep_dc { struct parse_events_data__events *data = _data; struct list_head *list = NULL; ABORT_ON(parse_events_add_breakpoint(&list, &data->idx, (void *) $2, $4)); $$ = list; } | PE_PREFIX_MEM PE_VALUE sep_dc { struct parse_events_data__events *data = _data; struct list_head *list = NULL; ABORT_ON(parse_events_add_breakpoint(&list, &data->idx, (void *) $2, NULL)); $$ = list; } event_legacy_tracepoint: PE_NAME ':' PE_NAME { struct parse_events_data__events *data = _data; struct list_head *list = NULL; ABORT_ON(parse_events_add_tracepoint(&list, &data->idx, $1, $3)); $$ = list; } event_legacy_numeric: PE_VALUE ':' PE_VALUE { struct parse_events_data__events *data = _data; struct list_head *list = NULL; ABORT_ON(parse_events_add_numeric(&list, &data->idx, $1, $3, NULL)); $$ = list; } event_legacy_raw: PE_RAW { struct parse_events_data__events *data = _data; struct list_head *list = NULL; ABORT_ON(parse_events_add_numeric(&list, &data->idx, PERF_TYPE_RAW, $1, NULL)); $$ = list; } terms: event_config { struct parse_events_data__terms *data = _data; data->terms = $1; } event_config: event_config ',' event_term { struct list_head *head = $1; struct parse_events__term *term = $3; ABORT_ON(!head); list_add_tail(&term->list, head); $$ = $1; } | event_term { struct list_head *head = malloc(sizeof(*head)); struct parse_events__term *term = $1; ABORT_ON(!head); INIT_LIST_HEAD(head); list_add_tail(&term->list, head); $$ = head; } event_term: PE_NAME '=' PE_NAME { struct parse_events__term *term; ABORT_ON(parse_events__term_str(&term, PARSE_EVENTS__TERM_TYPE_USER, $1, $3)); $$ = term; } | PE_NAME '=' PE_VALUE { struct parse_events__term *term; ABORT_ON(parse_events__term_num(&term, PARSE_EVENTS__TERM_TYPE_USER, $1, $3)); $$ = term; } | PE_NAME { struct parse_events__term *term; ABORT_ON(parse_events__term_num(&term, PARSE_EVENTS__TERM_TYPE_USER, $1, 1)); $$ = term; } | PE_TERM '=' PE_NAME { struct parse_events__term *term; ABORT_ON(parse_events__term_str(&term, $1, NULL, $3)); $$ = term; } | PE_TERM '=' PE_VALUE { struct parse_events__term *term; ABORT_ON(parse_events__term_num(&term, $1, NULL, $3)); $$ = term; } | PE_TERM { struct parse_events__term *term; ABORT_ON(parse_events__term_num(&term, $1, NULL, 1)); $$ = term; } sep_dc: ':' | sep_slash_dc: '/' | ':' | %% void parse_events_error(void *data __used, void *scanner __used, char const *msg __used) { } |