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


%name-prefix "parse_events_"
%parse-param {struct list_head *list_all}
%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
%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
{
	/*
	 * 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, list_all);
}
|
event_def
{
	parse_events_update_lists($1, 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 '/'
{
	struct list_head *list = NULL;

	ABORT_ON(parse_events_add_pmu(&list, idx, $1, $3));
	parse_events__free_terms($3);
	$$ = list;
}

event_legacy_symbol:
PE_VALUE_SYM '/' event_config '/'
{
	struct list_head *list = NULL;
	int type = $1 >> 16;
	int config = $1 & 255;

	ABORT_ON(parse_events_add_numeric(&list, idx, type, config, $3));
	parse_events__free_terms($3);
	$$ = list;
}
|
PE_VALUE_SYM sep_slash_dc
{
	struct list_head *list = NULL;
	int type = $1 >> 16;
	int config = $1 & 255;

	ABORT_ON(parse_events_add_numeric(&list, idx, type, config, NULL));
	$$ = list;
}

event_legacy_cache:
PE_NAME_CACHE_TYPE '-' PE_NAME_CACHE_OP_RESULT '-' PE_NAME_CACHE_OP_RESULT
{
	struct list_head *list = NULL;

	ABORT_ON(parse_events_add_cache(&list, idx, $1, $3, $5));
	$$ = list;
}
|
PE_NAME_CACHE_TYPE '-' PE_NAME_CACHE_OP_RESULT
{
	struct list_head *list = NULL;

	ABORT_ON(parse_events_add_cache(&list, idx, $1, $3, NULL));
	$$ = list;
}
|
PE_NAME_CACHE_TYPE
{
	struct list_head *list = NULL;

	ABORT_ON(parse_events_add_cache(&list, idx, $1, NULL, NULL));
	$$ = list;
}

event_legacy_mem:
PE_PREFIX_MEM PE_VALUE ':' PE_MODIFIER_BP sep_dc
{
	struct list_head *list = NULL;

	ABORT_ON(parse_events_add_breakpoint(&list, idx, (void *) $2, $4));
	$$ = list;
}
|
PE_PREFIX_MEM PE_VALUE sep_dc
{
	struct list_head *list = NULL;

	ABORT_ON(parse_events_add_breakpoint(&list, idx, (void *) $2, NULL));
	$$ = list;
}

event_legacy_tracepoint:
PE_NAME ':' PE_NAME
{
	struct list_head *list = NULL;

	ABORT_ON(parse_events_add_tracepoint(&list, idx, $1, $3));
	$$ = list;
}

event_legacy_numeric:
PE_VALUE ':' PE_VALUE
{
	struct list_head *list = NULL;

	ABORT_ON(parse_events_add_numeric(&list, idx, $1, $3, NULL));
	$$ = list;
}

event_legacy_raw:
PE_RAW
{
	struct list_head *list = NULL;

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