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85df3b3769
The %name-prefix "prefix" syntax is not available on bison 2.3 and
older. Substitute with the -p "prefix" command-line option for
compatibility with older versions of bison.
This patch fixes this build error with older versions of bison.
CC util/sysfs.o
BISON util/pmu-bison.c
util/pmu.y:2.14-24: syntax error, unexpected string, expecting =
make: *** [util/pmu-bison.c] Error 1
Signed-off-by: Vinson Lee <vlee@twitter.com>
Tested-by: Li Zefan <lizefan@huawei.com>
Cc: stable@vger.kernel.org # 3.4+
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Li Zefan <lizefan@huawei.com>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Pekka Enberg <penberg@kernel.org>
Link: http://lkml.kernel.org/r/1360792138-29186-1-git-send-email-vlee@twitter.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
425 lines
7.6 KiB
Plaintext
425 lines
7.6 KiB
Plaintext
%pure-parser
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%parse-param {void *_data}
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%parse-param {void *scanner}
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%lex-param {void* scanner}
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%{
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#define YYDEBUG 1
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#include <linux/compiler.h>
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#include <linux/list.h>
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#include "types.h"
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#include "util.h"
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#include "parse-events.h"
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#include "parse-events-bison.h"
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extern int parse_events_lex (YYSTYPE* lvalp, void* scanner);
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#define ABORT_ON(val) \
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do { \
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if (val) \
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YYABORT; \
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} while (0)
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static inc_group_count(struct list_head *list,
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struct parse_events_evlist *data)
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{
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/* Count groups only have more than 1 members */
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if (!list_is_last(list->next, list))
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data->nr_groups++;
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}
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%}
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%token PE_START_EVENTS PE_START_TERMS
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%token PE_VALUE PE_VALUE_SYM_HW PE_VALUE_SYM_SW PE_RAW PE_TERM
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%token PE_EVENT_NAME
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%token PE_NAME
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%token PE_MODIFIER_EVENT PE_MODIFIER_BP
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%token PE_NAME_CACHE_TYPE PE_NAME_CACHE_OP_RESULT
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%token PE_PREFIX_MEM PE_PREFIX_RAW PE_PREFIX_GROUP
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%token PE_ERROR
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%type <num> PE_VALUE
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%type <num> PE_VALUE_SYM_HW
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%type <num> PE_VALUE_SYM_SW
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%type <num> PE_RAW
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%type <num> PE_TERM
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%type <str> PE_NAME
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%type <str> PE_NAME_CACHE_TYPE
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%type <str> PE_NAME_CACHE_OP_RESULT
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%type <str> PE_MODIFIER_EVENT
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%type <str> PE_MODIFIER_BP
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%type <str> PE_EVENT_NAME
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%type <num> value_sym
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%type <head> event_config
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%type <term> event_term
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%type <head> event_pmu
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%type <head> event_legacy_symbol
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%type <head> event_legacy_cache
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%type <head> event_legacy_mem
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%type <head> event_legacy_tracepoint
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%type <head> event_legacy_numeric
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%type <head> event_legacy_raw
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%type <head> event_def
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%type <head> event_mod
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%type <head> event_name
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%type <head> event
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%type <head> events
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%type <head> group_def
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%type <head> group
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%type <head> groups
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%union
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{
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char *str;
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u64 num;
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struct list_head *head;
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struct parse_events_term *term;
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}
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%%
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start:
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PE_START_EVENTS start_events
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PE_START_TERMS start_terms
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start_events: groups
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{
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struct parse_events_evlist *data = _data;
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parse_events_update_lists($1, &data->list);
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}
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groups:
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groups ',' group
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{
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struct list_head *list = $1;
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struct list_head *group = $3;
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parse_events_update_lists(group, list);
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$$ = list;
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}
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groups ',' event
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{
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struct list_head *list = $1;
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struct list_head *event = $3;
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parse_events_update_lists(event, list);
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$$ = list;
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}
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group
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event
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group:
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group_def ':' PE_MODIFIER_EVENT
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{
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struct list_head *list = $1;
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ABORT_ON(parse_events__modifier_group(list, $3));
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$$ = list;
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}
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group_def
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group_def:
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PE_NAME '{' events '}'
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{
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struct list_head *list = $3;
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inc_group_count(list, _data);
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parse_events__set_leader($1, list);
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$$ = list;
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}
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'{' events '}'
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{
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struct list_head *list = $2;
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inc_group_count(list, _data);
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parse_events__set_leader(NULL, list);
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$$ = list;
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}
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events:
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events ',' event
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{
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struct list_head *event = $3;
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struct list_head *list = $1;
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parse_events_update_lists(event, list);
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$$ = list;
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}
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event
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event: event_mod
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event_mod:
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event_name PE_MODIFIER_EVENT
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{
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struct list_head *list = $1;
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/*
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* Apply modifier on all events added by single event definition
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* (there could be more events added for multiple tracepoint
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* definitions via '*?'.
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*/
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ABORT_ON(parse_events__modifier_event(list, $2, false));
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$$ = list;
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}
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event_name
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event_name:
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PE_EVENT_NAME event_def
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{
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ABORT_ON(parse_events_name($2, $1));
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free($1);
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$$ = $2;
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}
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event_def
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event_def: event_pmu |
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event_legacy_symbol |
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event_legacy_cache sep_dc |
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event_legacy_mem |
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event_legacy_tracepoint sep_dc |
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event_legacy_numeric sep_dc |
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event_legacy_raw sep_dc
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event_pmu:
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PE_NAME '/' event_config '/'
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{
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struct parse_events_evlist *data = _data;
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struct list_head *list = NULL;
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ABORT_ON(parse_events_add_pmu(&list, &data->idx, $1, $3));
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parse_events__free_terms($3);
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$$ = list;
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}
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value_sym:
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PE_VALUE_SYM_HW
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PE_VALUE_SYM_SW
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event_legacy_symbol:
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value_sym '/' event_config '/'
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{
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struct parse_events_evlist *data = _data;
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struct list_head *list = NULL;
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int type = $1 >> 16;
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int config = $1 & 255;
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ABORT_ON(parse_events_add_numeric(&list, &data->idx,
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type, config, $3));
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parse_events__free_terms($3);
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$$ = list;
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}
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value_sym sep_slash_dc
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{
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struct parse_events_evlist *data = _data;
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struct list_head *list = NULL;
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int type = $1 >> 16;
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int config = $1 & 255;
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ABORT_ON(parse_events_add_numeric(&list, &data->idx,
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type, config, NULL));
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$$ = list;
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}
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event_legacy_cache:
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PE_NAME_CACHE_TYPE '-' PE_NAME_CACHE_OP_RESULT '-' PE_NAME_CACHE_OP_RESULT
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{
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struct parse_events_evlist *data = _data;
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struct list_head *list = NULL;
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ABORT_ON(parse_events_add_cache(&list, &data->idx, $1, $3, $5));
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$$ = list;
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}
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PE_NAME_CACHE_TYPE '-' PE_NAME_CACHE_OP_RESULT
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{
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struct parse_events_evlist *data = _data;
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struct list_head *list = NULL;
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ABORT_ON(parse_events_add_cache(&list, &data->idx, $1, $3, NULL));
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$$ = list;
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}
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PE_NAME_CACHE_TYPE
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{
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struct parse_events_evlist *data = _data;
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struct list_head *list = NULL;
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ABORT_ON(parse_events_add_cache(&list, &data->idx, $1, NULL, NULL));
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$$ = list;
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}
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event_legacy_mem:
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PE_PREFIX_MEM PE_VALUE ':' PE_MODIFIER_BP sep_dc
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{
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struct parse_events_evlist *data = _data;
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struct list_head *list = NULL;
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ABORT_ON(parse_events_add_breakpoint(&list, &data->idx,
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(void *) $2, $4));
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$$ = list;
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}
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PE_PREFIX_MEM PE_VALUE sep_dc
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{
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struct parse_events_evlist *data = _data;
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struct list_head *list = NULL;
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ABORT_ON(parse_events_add_breakpoint(&list, &data->idx,
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(void *) $2, NULL));
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$$ = list;
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}
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event_legacy_tracepoint:
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PE_NAME ':' PE_NAME
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{
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struct parse_events_evlist *data = _data;
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struct list_head *list = NULL;
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ABORT_ON(parse_events_add_tracepoint(&list, &data->idx, $1, $3));
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$$ = list;
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}
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event_legacy_numeric:
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PE_VALUE ':' PE_VALUE
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{
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struct parse_events_evlist *data = _data;
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struct list_head *list = NULL;
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ABORT_ON(parse_events_add_numeric(&list, &data->idx, (u32)$1, $3, NULL));
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$$ = list;
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}
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event_legacy_raw:
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PE_RAW
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{
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struct parse_events_evlist *data = _data;
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struct list_head *list = NULL;
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ABORT_ON(parse_events_add_numeric(&list, &data->idx,
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PERF_TYPE_RAW, $1, NULL));
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$$ = list;
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}
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start_terms: event_config
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{
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struct parse_events_terms *data = _data;
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data->terms = $1;
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}
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event_config:
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event_config ',' event_term
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{
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struct list_head *head = $1;
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struct parse_events_term *term = $3;
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ABORT_ON(!head);
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list_add_tail(&term->list, head);
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$$ = $1;
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}
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event_term
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{
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struct list_head *head = malloc(sizeof(*head));
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struct parse_events_term *term = $1;
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ABORT_ON(!head);
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INIT_LIST_HEAD(head);
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list_add_tail(&term->list, head);
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$$ = head;
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}
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event_term:
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PE_NAME '=' PE_NAME
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{
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struct parse_events_term *term;
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ABORT_ON(parse_events_term__str(&term, PARSE_EVENTS__TERM_TYPE_USER,
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$1, $3));
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$$ = term;
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}
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PE_NAME '=' PE_VALUE
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{
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struct parse_events_term *term;
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ABORT_ON(parse_events_term__num(&term, PARSE_EVENTS__TERM_TYPE_USER,
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$1, $3));
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$$ = term;
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}
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PE_NAME '=' PE_VALUE_SYM_HW
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{
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struct parse_events_term *term;
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int config = $3 & 255;
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ABORT_ON(parse_events_term__sym_hw(&term, $1, config));
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$$ = term;
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}
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PE_NAME
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{
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struct parse_events_term *term;
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ABORT_ON(parse_events_term__num(&term, PARSE_EVENTS__TERM_TYPE_USER,
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$1, 1));
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$$ = term;
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}
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PE_VALUE_SYM_HW
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{
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struct parse_events_term *term;
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int config = $1 & 255;
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ABORT_ON(parse_events_term__sym_hw(&term, NULL, config));
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$$ = term;
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}
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PE_TERM '=' PE_NAME
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{
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struct parse_events_term *term;
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ABORT_ON(parse_events_term__str(&term, (int)$1, NULL, $3));
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$$ = term;
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}
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PE_TERM '=' PE_VALUE
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{
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struct parse_events_term *term;
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ABORT_ON(parse_events_term__num(&term, (int)$1, NULL, $3));
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$$ = term;
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}
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PE_TERM
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{
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struct parse_events_term *term;
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ABORT_ON(parse_events_term__num(&term, (int)$1, NULL, 1));
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$$ = term;
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}
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sep_dc: ':' |
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sep_slash_dc: '/' | ':' |
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%%
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void parse_events_error(void *data __maybe_unused, void *scanner __maybe_unused,
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char const *msg __maybe_unused)
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{
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}
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