[deliverable/linux.git] / tools / perf / util / parse-events.y

%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)
{
}
Commit	Line	Data
ac20de6f	1	%pure-parser
89812fc8	2	%name-prefix "parse_events_"
46010ab2	3	%parse-param {void *_data}
ac20de6f ZY	4	%parse-param {void *scanner}
ac20de6f ZY	5	%lex-param {void* scanner}
89812fc8 JO	6
	7	%{
	8
	9	#define YYDEBUG 1
	10
	11	#include <linux/compiler.h>
	12	#include <linux/list.h>
	13	#include "types.h"
	14	#include "util.h"
	15	#include "parse-events.h"
ac20de6f	16	#include "parse-events-bison.h"
89812fc8	17
ac20de6f	18	extern int parse_events_lex (YYSTYPE* lvalp, void* scanner);
89812fc8 JO	19
	20	#define ABORT_ON(val) \
	21	do { \
	22	if (val) \
	23	YYABORT; \
	24	} while (0)
	25
	26	%}
	27
90e2b22d	28	%token PE_START_EVENTS PE_START_TERMS
cf3506dc	29	%token PE_VALUE PE_VALUE_SYM_HW PE_VALUE_SYM_SW PE_RAW PE_TERM
89812fc8 JO	30	%token PE_NAME
	31	%token PE_MODIFIER_EVENT PE_MODIFIER_BP
	32	%token PE_NAME_CACHE_TYPE PE_NAME_CACHE_OP_RESULT
	33	%token PE_PREFIX_MEM PE_PREFIX_RAW
	34	%token PE_ERROR
	35	%type <num> PE_VALUE
cf3506dc JO	36	%type <num> PE_VALUE_SYM_HW
cf3506dc JO	37	%type <num> PE_VALUE_SYM_SW
89812fc8	38	%type <num> PE_RAW
8f707d84	39	%type <num> PE_TERM
89812fc8 JO	40	%type <str> PE_NAME
	41	%type <str> PE_NAME_CACHE_TYPE
	42	%type <str> PE_NAME_CACHE_OP_RESULT
	43	%type <str> PE_MODIFIER_EVENT
	44	%type <str> PE_MODIFIER_BP
cf3506dc	45	%type <num> value_sym
8f707d84 JO	46	%type <head> event_config
8f707d84 JO	47	%type <term> event_term
b847cbdc JO	48	%type <head> event_pmu
	49	%type <head> event_legacy_symbol
	50	%type <head> event_legacy_cache
	51	%type <head> event_legacy_mem
	52	%type <head> event_legacy_tracepoint
	53	%type <head> event_legacy_numeric
	54	%type <head> event_legacy_raw
	55	%type <head> event_def
89812fc8 JO	56
	57	%union
	58	{
	59	char *str;
	60	unsigned long num;
8f707d84 JO	61	struct list_head *head;
8f707d84 JO	62	struct parse_events__term *term;
89812fc8 JO	63	}
	64	%%
	65
90e2b22d JO	66	start:
	67	PE_START_EVENTS events
	68	\|
	69	PE_START_TERMS terms
	70
89812fc8 JO	71	events:
	72	events ',' event \| event
	73
	74	event:
	75	event_def PE_MODIFIER_EVENT
	76	{
46010ab2 JO	77	struct parse_events_data__events *data = _data;
46010ab2 JO	78
5d7be90e JO	79	/*
	80	* Apply modifier on all events added by single event definition
	81	* (there could be more events added for multiple tracepoint
	82	* definitions via '*?'.
	83	*/
b847cbdc	84	ABORT_ON(parse_events_modifier($1, $2));
46010ab2	85	parse_events_update_lists($1, &data->list);
89812fc8 JO	86	}
	87	\|
	88	event_def
5d7be90e	89	{
46010ab2 JO	90	struct parse_events_data__events *data = _data;
	91
	92	parse_events_update_lists($1, &data->list);
5d7be90e	93	}
89812fc8	94
5f537a26 JO	95	event_def: event_pmu \|
5f537a26 JO	96	event_legacy_symbol \|
89812fc8 JO	97	event_legacy_cache sep_dc \|
	98	event_legacy_mem \|
	99	event_legacy_tracepoint sep_dc \|
	100	event_legacy_numeric sep_dc \|
	101	event_legacy_raw sep_dc
	102
5f537a26 JO	103	event_pmu:
	104	PE_NAME '/' event_config '/'
	105	{
46010ab2	106	struct parse_events_data__events *data = _data;
b847cbdc JO	107	struct list_head *list = NULL;
b847cbdc JO	108
46010ab2	109	ABORT_ON(parse_events_add_pmu(&list, &data->idx, $1, $3));
5f537a26	110	parse_events__free_terms($3);
b847cbdc	111	$$ = list;
5f537a26 JO	112	}
5f537a26 JO	113
cf3506dc JO	114	value_sym:
	115	PE_VALUE_SYM_HW
	116	\|
	117	PE_VALUE_SYM_SW
	118
89812fc8	119	event_legacy_symbol:
cf3506dc	120	value_sym '/' event_config '/'
89812fc8	121	{
46010ab2	122	struct parse_events_data__events *data = _data;
b847cbdc	123	struct list_head *list = NULL;
89812fc8 JO	124	int type = $1 >> 16;
	125	int config = $1 & 255;
	126
46010ab2 JO	127	ABORT_ON(parse_events_add_numeric(&list, &data->idx,
46010ab2 JO	128	type, config, $3));
8f707d84	129	parse_events__free_terms($3);
b847cbdc	130	$$ = list;
8f707d84 JO	131	}
8f707d84 JO	132	\|
cf3506dc	133	value_sym sep_slash_dc
8f707d84	134	{
46010ab2	135	struct parse_events_data__events *data = _data;
b847cbdc	136	struct list_head *list = NULL;
8f707d84 JO	137	int type = $1 >> 16;
	138	int config = $1 & 255;
	139
46010ab2 JO	140	ABORT_ON(parse_events_add_numeric(&list, &data->idx,
46010ab2 JO	141	type, config, NULL));
b847cbdc	142	$$ = list;
89812fc8 JO	143	}
	144
	145	event_legacy_cache:
	146	PE_NAME_CACHE_TYPE '-' PE_NAME_CACHE_OP_RESULT '-' PE_NAME_CACHE_OP_RESULT
	147	{
46010ab2	148	struct parse_events_data__events *data = _data;
b847cbdc JO	149	struct list_head *list = NULL;
b847cbdc JO	150
46010ab2	151	ABORT_ON(parse_events_add_cache(&list, &data->idx, $1, $3, $5));
b847cbdc	152	$$ = list;
89812fc8 JO	153	}
	154	\|
	155	PE_NAME_CACHE_TYPE '-' PE_NAME_CACHE_OP_RESULT
	156	{
46010ab2	157	struct parse_events_data__events *data = _data;
b847cbdc JO	158	struct list_head *list = NULL;
b847cbdc JO	159
46010ab2	160	ABORT_ON(parse_events_add_cache(&list, &data->idx, $1, $3, NULL));
b847cbdc	161	$$ = list;
89812fc8 JO	162	}
	163	\|
	164	PE_NAME_CACHE_TYPE
	165	{
46010ab2	166	struct parse_events_data__events *data = _data;
b847cbdc JO	167	struct list_head *list = NULL;
b847cbdc JO	168
46010ab2	169	ABORT_ON(parse_events_add_cache(&list, &data->idx, $1, NULL, NULL));
b847cbdc	170	$$ = list;
89812fc8 JO	171	}
	172
	173	event_legacy_mem:
	174	PE_PREFIX_MEM PE_VALUE ':' PE_MODIFIER_BP sep_dc
	175	{
46010ab2	176	struct parse_events_data__events *data = _data;
b847cbdc JO	177	struct list_head *list = NULL;
b847cbdc JO	178
46010ab2 JO	179	ABORT_ON(parse_events_add_breakpoint(&list, &data->idx,
46010ab2 JO	180	(void *) $2, $4));
b847cbdc	181	$$ = list;
89812fc8 JO	182	}
	183	\|
	184	PE_PREFIX_MEM PE_VALUE sep_dc
	185	{
46010ab2	186	struct parse_events_data__events *data = _data;
b847cbdc JO	187	struct list_head *list = NULL;
b847cbdc JO	188
46010ab2 JO	189	ABORT_ON(parse_events_add_breakpoint(&list, &data->idx,
46010ab2 JO	190	(void *) $2, NULL));
b847cbdc	191	$$ = list;
89812fc8 JO	192	}
	193
	194	event_legacy_tracepoint:
	195	PE_NAME ':' PE_NAME
	196	{
46010ab2	197	struct parse_events_data__events *data = _data;
b847cbdc JO	198	struct list_head *list = NULL;
b847cbdc JO	199
46010ab2	200	ABORT_ON(parse_events_add_tracepoint(&list, &data->idx, $1, $3));
b847cbdc	201	$$ = list;
89812fc8 JO	202	}
	203
	204	event_legacy_numeric:
	205	PE_VALUE ':' PE_VALUE
	206	{
46010ab2	207	struct parse_events_data__events *data = _data;
b847cbdc JO	208	struct list_head *list = NULL;
b847cbdc JO	209
46010ab2	210	ABORT_ON(parse_events_add_numeric(&list, &data->idx, $1, $3, NULL));
b847cbdc	211	$$ = list;
89812fc8 JO	212	}
	213
	214	event_legacy_raw:
	215	PE_RAW
	216	{
46010ab2	217	struct parse_events_data__events *data = _data;
b847cbdc JO	218	struct list_head *list = NULL;
b847cbdc JO	219
46010ab2 JO	220	ABORT_ON(parse_events_add_numeric(&list, &data->idx,
46010ab2 JO	221	PERF_TYPE_RAW, $1, NULL));
b847cbdc	222	$$ = list;
8f707d84 JO	223	}
8f707d84 JO	224
90e2b22d JO	225	terms: event_config
	226	{
	227	struct parse_events_data__terms *data = _data;
	228	data->terms = $1;
	229	}
	230
8f707d84 JO	231	event_config:
	232	event_config ',' event_term
	233	{
	234	struct list_head *head = $1;
	235	struct parse_events__term *term = $3;
	236
	237	ABORT_ON(!head);
	238	list_add_tail(&term->list, head);
	239	$$ = $1;
	240	}
	241	\|
	242	event_term
	243	{
	244	struct list_head head = malloc(sizeof(head));
	245	struct parse_events__term *term = $1;
	246
	247	ABORT_ON(!head);
	248	INIT_LIST_HEAD(head);
	249	list_add_tail(&term->list, head);
	250	$$ = head;
	251	}
	252
	253	event_term:
	254	PE_NAME '=' PE_NAME
	255	{
	256	struct parse_events__term *term;
	257
16fa7e82 JO	258	ABORT_ON(parse_events__term_str(&term, PARSE_EVENTS__TERM_TYPE_USER,
16fa7e82 JO	259	$1, $3));
8f707d84 JO	260	$$ = term;
	261	}
	262	\|
	263	PE_NAME '=' PE_VALUE
	264	{
	265	struct parse_events__term *term;
	266
16fa7e82 JO	267	ABORT_ON(parse_events__term_num(&term, PARSE_EVENTS__TERM_TYPE_USER,
16fa7e82 JO	268	$1, $3));
8f707d84 JO	269	$$ = term;
	270	}
	271	\|
	272	PE_NAME
	273	{
	274	struct parse_events__term *term;
	275
16fa7e82 JO	276	ABORT_ON(parse_events__term_num(&term, PARSE_EVENTS__TERM_TYPE_USER,
16fa7e82 JO	277	$1, 1));
8f707d84 JO	278	$$ = term;
	279	}
	280	\|
6b5fc39b JO	281	PE_TERM '=' PE_NAME
	282	{
	283	struct parse_events__term *term;
	284
	285	ABORT_ON(parse_events__term_str(&term, $1, NULL, $3));
	286	$$ = term;
	287	}
	288	\|
8f707d84 JO	289	PE_TERM '=' PE_VALUE
	290	{
	291	struct parse_events__term *term;
	292
16fa7e82	293	ABORT_ON(parse_events__term_num(&term, $1, NULL, $3));
8f707d84 JO	294	$$ = term;
	295	}
	296	\|
	297	PE_TERM
	298	{
	299	struct parse_events__term *term;
	300
16fa7e82	301	ABORT_ON(parse_events__term_num(&term, $1, NULL, 1));
8f707d84	302	$$ = term;
89812fc8 JO	303	}
	304
	305	sep_dc: ':' \|
	306
8f707d84 JO	307	sep_slash_dc: '/' \| ':' \|
8f707d84 JO	308
89812fc8 JO	309	%%
89812fc8 JO	310
ac20de6f	311	void parse_events_error(void data __used, void scanner __used,
89812fc8 JO	312	char const *msg __used)
	313	{
	314	}