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


%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__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_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(struct list_head *list_all __used,
			struct list_head *list_event __used,
			int *idx __used,
			char const *msg __used)
{
}
Commit	Line	Data
89812fc8 JO	1
89812fc8 JO	2	%name-prefix "parse_events_"
5d7be90e JO	3	%parse-param {struct list_head *list_all}
5d7be90e JO	4	%parse-param {struct list_head *list_event}
89812fc8 JO	5	%parse-param {int *idx}
	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"
	16
	17	extern int parse_events_lex (void);
	18
	19	#define ABORT_ON(val) \
	20	do { \
	21	if (val) \
	22	YYABORT; \
	23	} while (0)
	24
	25	%}
	26
8f707d84	27	%token PE_VALUE PE_VALUE_SYM PE_RAW PE_TERM
89812fc8 JO	28	%token PE_NAME
	29	%token PE_MODIFIER_EVENT PE_MODIFIER_BP
	30	%token PE_NAME_CACHE_TYPE PE_NAME_CACHE_OP_RESULT
	31	%token PE_PREFIX_MEM PE_PREFIX_RAW
	32	%token PE_ERROR
	33	%type <num> PE_VALUE
	34	%type <num> PE_VALUE_SYM
	35	%type <num> PE_RAW
8f707d84	36	%type <num> PE_TERM
89812fc8 JO	37	%type <str> PE_NAME
	38	%type <str> PE_NAME_CACHE_TYPE
	39	%type <str> PE_NAME_CACHE_OP_RESULT
	40	%type <str> PE_MODIFIER_EVENT
	41	%type <str> PE_MODIFIER_BP
8f707d84 JO	42	%type <head> event_config
8f707d84 JO	43	%type <term> event_term
89812fc8 JO	44
	45	%union
	46	{
	47	char *str;
	48	unsigned long num;
8f707d84 JO	49	struct list_head *head;
8f707d84 JO	50	struct parse_events__term *term;
89812fc8 JO	51	}
	52	%%
	53
	54	events:
	55	events ',' event \| event
	56
	57	event:
	58	event_def PE_MODIFIER_EVENT
	59	{
5d7be90e JO	60	/*
	61	* Apply modifier on all events added by single event definition
	62	* (there could be more events added for multiple tracepoint
	63	* definitions via '*?'.
	64	*/
	65	ABORT_ON(parse_events_modifier(list_event, $2));
	66	parse_events_update_lists(list_event, list_all);
89812fc8 JO	67	}
	68	\|
	69	event_def
5d7be90e JO	70	{
	71	parse_events_update_lists(list_event, list_all);
	72	}
89812fc8	73
5f537a26 JO	74	event_def: event_pmu \|
5f537a26 JO	75	event_legacy_symbol \|
89812fc8 JO	76	event_legacy_cache sep_dc \|
	77	event_legacy_mem \|
	78	event_legacy_tracepoint sep_dc \|
	79	event_legacy_numeric sep_dc \|
	80	event_legacy_raw sep_dc
	81
5f537a26 JO	82	event_pmu:
	83	PE_NAME '/' event_config '/'
	84	{
5d7be90e	85	ABORT_ON(parse_events_add_pmu(list_event, idx, $1, $3));
5f537a26 JO	86	parse_events__free_terms($3);
	87	}
	88
89812fc8	89	event_legacy_symbol:
8f707d84	90	PE_VALUE_SYM '/' event_config '/'
89812fc8 JO	91	{
	92	int type = $1 >> 16;
	93	int config = $1 & 255;
	94
5d7be90e	95	ABORT_ON(parse_events_add_numeric(list_event, idx, type, config, $3));
8f707d84 JO	96	parse_events__free_terms($3);
	97	}
	98	\|
	99	PE_VALUE_SYM sep_slash_dc
	100	{
	101	int type = $1 >> 16;
	102	int config = $1 & 255;
	103
5d7be90e	104	ABORT_ON(parse_events_add_numeric(list_event, idx, type, config, NULL));
89812fc8 JO	105	}
	106
	107	event_legacy_cache:
	108	PE_NAME_CACHE_TYPE '-' PE_NAME_CACHE_OP_RESULT '-' PE_NAME_CACHE_OP_RESULT
	109	{
5d7be90e	110	ABORT_ON(parse_events_add_cache(list_event, idx, $1, $3, $5));
89812fc8 JO	111	}
	112	\|
	113	PE_NAME_CACHE_TYPE '-' PE_NAME_CACHE_OP_RESULT
	114	{
5d7be90e	115	ABORT_ON(parse_events_add_cache(list_event, idx, $1, $3, NULL));
89812fc8 JO	116	}
	117	\|
	118	PE_NAME_CACHE_TYPE
	119	{
5d7be90e	120	ABORT_ON(parse_events_add_cache(list_event, idx, $1, NULL, NULL));
89812fc8 JO	121	}
	122
	123	event_legacy_mem:
	124	PE_PREFIX_MEM PE_VALUE ':' PE_MODIFIER_BP sep_dc
	125	{
5d7be90e	126	ABORT_ON(parse_events_add_breakpoint(list_event, idx, (void *) $2, $4));
89812fc8 JO	127	}
	128	\|
	129	PE_PREFIX_MEM PE_VALUE sep_dc
	130	{
5d7be90e	131	ABORT_ON(parse_events_add_breakpoint(list_event, idx, (void *) $2, NULL));
89812fc8 JO	132	}
	133
	134	event_legacy_tracepoint:
	135	PE_NAME ':' PE_NAME
	136	{
5d7be90e	137	ABORT_ON(parse_events_add_tracepoint(list_event, idx, $1, $3));
89812fc8 JO	138	}
	139
	140	event_legacy_numeric:
	141	PE_VALUE ':' PE_VALUE
	142	{
5d7be90e	143	ABORT_ON(parse_events_add_numeric(list_event, idx, $1, $3, NULL));
89812fc8 JO	144	}
	145
	146	event_legacy_raw:
	147	PE_RAW
	148	{
5d7be90e	149	ABORT_ON(parse_events_add_numeric(list_event, idx, PERF_TYPE_RAW, $1, NULL));
8f707d84 JO	150	}
	151
	152	event_config:
	153	event_config ',' event_term
	154	{
	155	struct list_head *head = $1;
	156	struct parse_events__term *term = $3;
	157
	158	ABORT_ON(!head);
	159	list_add_tail(&term->list, head);
	160	$$ = $1;
	161	}
	162	\|
	163	event_term
	164	{
	165	struct list_head head = malloc(sizeof(head));
	166	struct parse_events__term *term = $1;
	167
	168	ABORT_ON(!head);
	169	INIT_LIST_HEAD(head);
	170	list_add_tail(&term->list, head);
	171	$$ = head;
	172	}
	173
	174	event_term:
	175	PE_NAME '=' PE_NAME
	176	{
	177	struct parse_events__term *term;
	178
16fa7e82 JO	179	ABORT_ON(parse_events__term_str(&term, PARSE_EVENTS__TERM_TYPE_USER,
16fa7e82 JO	180	$1, $3));
8f707d84 JO	181	$$ = term;
	182	}
	183	\|
	184	PE_NAME '=' PE_VALUE
	185	{
	186	struct parse_events__term *term;
	187
16fa7e82 JO	188	ABORT_ON(parse_events__term_num(&term, PARSE_EVENTS__TERM_TYPE_USER,
16fa7e82 JO	189	$1, $3));
8f707d84 JO	190	$$ = term;
	191	}
	192	\|
	193	PE_NAME
	194	{
	195	struct parse_events__term *term;
	196
16fa7e82 JO	197	ABORT_ON(parse_events__term_num(&term, PARSE_EVENTS__TERM_TYPE_USER,
16fa7e82 JO	198	$1, 1));
8f707d84 JO	199	$$ = term;
	200	}
	201	\|
	202	PE_TERM '=' PE_VALUE
	203	{
	204	struct parse_events__term *term;
	205
16fa7e82	206	ABORT_ON(parse_events__term_num(&term, $1, NULL, $3));
8f707d84 JO	207	$$ = term;
	208	}
	209	\|
	210	PE_TERM
	211	{
	212	struct parse_events__term *term;
	213
16fa7e82	214	ABORT_ON(parse_events__term_num(&term, $1, NULL, 1));
8f707d84	215	$$ = term;
89812fc8 JO	216	}
	217
	218	sep_dc: ':' \|
	219
8f707d84 JO	220	sep_slash_dc: '/' \| ':' \|
8f707d84 JO	221
89812fc8 JO	222	%%
89812fc8 JO	223
5d7be90e JO	224	void parse_events_error(struct list_head *list_all __used,
	225	struct list_head *list_event __used,
	226	int *idx __used,
89812fc8 JO	227	char const *msg __used)
	228	{
	229	}