| %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) |
| { |
| } |
