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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 | %name-prefix "parse_events_" %parse-param {struct list_head *list_all} %parse-param {struct list_head *list_event} %parse-param {int *idx} %{ #define YYDEBUG 1 #include <linux/compiler.h> #include <linux/list.h> #include "types.h" #include "util.h" #include "parse-events.h" extern int parse_events_lex (void); #define ABORT_ON(val) \ do { \ if (val) \ YYABORT; \ } while (0) %} %token PE_VALUE PE_VALUE_SYM 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 %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 <head> event_config %type <term> event_term %union { char *str; unsigned long num; struct list_head *head; struct parse_events__term *term; } %% events: events ',' event | event event: event_def PE_MODIFIER_EVENT { /* * 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(list_event, $2)); parse_events_update_lists(list_event, list_all); } | event_def { parse_events_update_lists(list_event, list_all); } 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 '/' { ABORT_ON(parse_events_add_pmu(list_event, idx, $1, $3)); parse_events__free_terms($3); } event_legacy_symbol: PE_VALUE_SYM '/' event_config '/' { int type = $1 >> 16; int config = $1 & 255; ABORT_ON(parse_events_add_numeric(list_event, idx, type, config, $3)); parse_events__free_terms($3); } | PE_VALUE_SYM sep_slash_dc { int type = $1 >> 16; int config = $1 & 255; ABORT_ON(parse_events_add_numeric(list_event, idx, type, config, NULL)); } event_legacy_cache: PE_NAME_CACHE_TYPE '-' PE_NAME_CACHE_OP_RESULT '-' PE_NAME_CACHE_OP_RESULT { ABORT_ON(parse_events_add_cache(list_event, idx, $1, $3, $5)); } | PE_NAME_CACHE_TYPE '-' PE_NAME_CACHE_OP_RESULT { ABORT_ON(parse_events_add_cache(list_event, idx, $1, $3, NULL)); } | PE_NAME_CACHE_TYPE { ABORT_ON(parse_events_add_cache(list_event, idx, $1, NULL, NULL)); } event_legacy_mem: PE_PREFIX_MEM PE_VALUE ':' PE_MODIFIER_BP sep_dc { ABORT_ON(parse_events_add_breakpoint(list_event, idx, (void *) $2, $4)); } | PE_PREFIX_MEM PE_VALUE sep_dc { ABORT_ON(parse_events_add_breakpoint(list_event, idx, (void *) $2, NULL)); } event_legacy_tracepoint: PE_NAME ':' PE_NAME { ABORT_ON(parse_events_add_tracepoint(list_event, idx, $1, $3)); } event_legacy_numeric: PE_VALUE ':' PE_VALUE { ABORT_ON(parse_events_add_numeric(list_event, idx, $1, $3, NULL)); } event_legacy_raw: PE_RAW { ABORT_ON(parse_events_add_numeric(list_event, idx, PERF_TYPE_RAW, $1, NULL)); } 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__new_term(&term, PARSE_EVENTS__TERM_TYPE_STR, $1, $3, 0)); $$ = term; } | PE_NAME '=' PE_VALUE { struct parse_events__term *term; ABORT_ON(parse_events__new_term(&term, PARSE_EVENTS__TERM_TYPE_NUM, $1, NULL, $3)); $$ = term; } | PE_NAME { struct parse_events__term *term; ABORT_ON(parse_events__new_term(&term, PARSE_EVENTS__TERM_TYPE_NUM, $1, NULL, 1)); $$ = term; } | PE_TERM '=' PE_VALUE { struct parse_events__term *term; ABORT_ON(parse_events__new_term(&term, $1, NULL, NULL, $3)); $$ = term; } | PE_TERM { struct parse_events__term *term; ABORT_ON(parse_events__new_term(&term, $1, NULL, NULL, 1)); $$ = term; } sep_dc: ':' | sep_slash_dc: '/' | ':' | %% void parse_events_error(struct list_head *list_all __used, struct list_head *list_event __used, int *idx __used, char const *msg __used) { } |