[mirror_ubuntu-bionic-kernel.git] / tools / perf / util / parse-events.y


%name-prefix "parse_events_"
%parse-param {void *_data}

%{

#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
%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;
}
%%

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;
}

event_legacy_symbol:
PE_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;
}
|
PE_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;
}

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