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


%name-prefix "parse_events_"
%parse-param {struct list_head *list}
%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
{
	ABORT_ON(parse_events_modifier(list, $2));
}
|
event_def

event_def: 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_legacy_symbol:
PE_VALUE_SYM '/' event_config '/'
{
	int type = $1 >> 16;
	int config = $1 & 255;

	ABORT_ON(parse_events_add_numeric(list, 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, 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, idx, $1, $3, $5));
}
|
PE_NAME_CACHE_TYPE '-' PE_NAME_CACHE_OP_RESULT
{
	ABORT_ON(parse_events_add_cache(list, idx, $1, $3, NULL));
}
|
PE_NAME_CACHE_TYPE
{
	ABORT_ON(parse_events_add_cache(list, idx, $1, NULL, NULL));
}

event_legacy_mem:
PE_PREFIX_MEM PE_VALUE ':' PE_MODIFIER_BP sep_dc
{
	ABORT_ON(parse_events_add_breakpoint(list, idx, (void *) $2, $4));
}
|
PE_PREFIX_MEM PE_VALUE sep_dc
{
	ABORT_ON(parse_events_add_breakpoint(list, idx, (void *) $2, NULL));
}

event_legacy_tracepoint:
PE_NAME ':' PE_NAME
{
	ABORT_ON(parse_events_add_tracepoint(list, idx, $1, $3));
}

event_legacy_numeric:
PE_VALUE ':' PE_VALUE
{
	ABORT_ON(parse_events_add_numeric(list, idx, $1, $3, NULL));
}

event_legacy_raw:
PE_RAW
{
	ABORT_ON(parse_events_add_numeric(list, 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__new_term(&term, PARSE_EVENTS__TERM_TYPE_STR,
		 $1, $3, 0));
	$$ = term;
}
|
PE_NAME '=' PE_VALUE
{
	struct parse_events__term *term;

	ABORT_ON(parse_events__new_term(&term, PARSE_EVENTS__TERM_TYPE_NUM,
		 $1, NULL, $3));
	$$ = term;
}
|
PE_NAME
{
	struct parse_events__term *term;

	ABORT_ON(parse_events__new_term(&term, PARSE_EVENTS__TERM_TYPE_NUM,
		 $1, NULL, 1));
	$$ = term;
}
|
PE_TERM '=' PE_VALUE
{
	struct parse_events__term *term;

	ABORT_ON(parse_events__new_term(&term, $1, NULL, NULL, $3));
	$$ = term;
}
|
PE_TERM
{
	struct parse_events__term *term;

	ABORT_ON(parse_events__new_term(&term, $1, NULL, NULL, 1));
	$$ = term;
}

sep_dc: ':' |

sep_slash_dc: '/' | ':' |

%%

void parse_events_error(struct list_head *list __used, int *idx __used,
			char const *msg __used)
{
}
Commit	Line	Data
89812fc8 JO	1
	2	%name-prefix "parse_events_"
	3	%parse-param {struct list_head *list}
	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
89812fc8 JO	43
	44	%union
	45	{
	46	char *str;
	47	unsigned long num;
8f707d84 JO	48	struct list_head *head;
8f707d84 JO	49	struct parse_events__term *term;
89812fc8 JO	50	}
	51	%%
	52
	53	events:
	54	events ',' event \| event
	55
	56	event:
	57	event_def PE_MODIFIER_EVENT
	58	{
	59	ABORT_ON(parse_events_modifier(list, $2));
	60	}
	61	\|
	62	event_def
	63
8f707d84	64	event_def: event_legacy_symbol \|
89812fc8 JO	65	event_legacy_cache sep_dc \|
	66	event_legacy_mem \|
	67	event_legacy_tracepoint sep_dc \|
	68	event_legacy_numeric sep_dc \|
	69	event_legacy_raw sep_dc
	70
	71	event_legacy_symbol:
8f707d84	72	PE_VALUE_SYM '/' event_config '/'
89812fc8 JO	73	{
	74	int type = $1 >> 16;
	75	int config = $1 & 255;
	76
8f707d84 JO	77	ABORT_ON(parse_events_add_numeric(list, idx, type, config, $3));
	78	parse_events__free_terms($3);
	79	}
	80	\|
	81	PE_VALUE_SYM sep_slash_dc
	82	{
	83	int type = $1 >> 16;
	84	int config = $1 & 255;
	85
	86	ABORT_ON(parse_events_add_numeric(list, idx, type, config, NULL));
89812fc8 JO	87	}
	88
	89	event_legacy_cache:
	90	PE_NAME_CACHE_TYPE '-' PE_NAME_CACHE_OP_RESULT '-' PE_NAME_CACHE_OP_RESULT
	91	{
	92	ABORT_ON(parse_events_add_cache(list, idx, $1, $3, $5));
	93	}
	94	\|
	95	PE_NAME_CACHE_TYPE '-' PE_NAME_CACHE_OP_RESULT
	96	{
	97	ABORT_ON(parse_events_add_cache(list, idx, $1, $3, NULL));
	98	}
	99	\|
	100	PE_NAME_CACHE_TYPE
	101	{
	102	ABORT_ON(parse_events_add_cache(list, idx, $1, NULL, NULL));
	103	}
	104
	105	event_legacy_mem:
	106	PE_PREFIX_MEM PE_VALUE ':' PE_MODIFIER_BP sep_dc
	107	{
	108	ABORT_ON(parse_events_add_breakpoint(list, idx, (void *) $2, $4));
	109	}
	110	\|
	111	PE_PREFIX_MEM PE_VALUE sep_dc
	112	{
	113	ABORT_ON(parse_events_add_breakpoint(list, idx, (void *) $2, NULL));
	114	}
	115
	116	event_legacy_tracepoint:
	117	PE_NAME ':' PE_NAME
	118	{
	119	ABORT_ON(parse_events_add_tracepoint(list, idx, $1, $3));
	120	}
	121
	122	event_legacy_numeric:
	123	PE_VALUE ':' PE_VALUE
	124	{
8f707d84	125	ABORT_ON(parse_events_add_numeric(list, idx, $1, $3, NULL));
89812fc8 JO	126	}
	127
	128	event_legacy_raw:
	129	PE_RAW
	130	{
8f707d84 JO	131	ABORT_ON(parse_events_add_numeric(list, idx, PERF_TYPE_RAW, $1, NULL));
	132	}
	133
	134	event_config:
	135	event_config ',' event_term
	136	{
	137	struct list_head *head = $1;
	138	struct parse_events__term *term = $3;
	139
	140	ABORT_ON(!head);
	141	list_add_tail(&term->list, head);
	142	$$ = $1;
	143	}
	144	\|
	145	event_term
	146	{
	147	struct list_head head = malloc(sizeof(head));
	148	struct parse_events__term *term = $1;
	149
	150	ABORT_ON(!head);
	151	INIT_LIST_HEAD(head);
	152	list_add_tail(&term->list, head);
	153	$$ = head;
	154	}
	155
	156	event_term:
	157	PE_NAME '=' PE_NAME
	158	{
	159	struct parse_events__term *term;
	160
	161	ABORT_ON(parse_events__new_term(&term, PARSE_EVENTS__TERM_TYPE_STR,
	162	$1, $3, 0));
	163	$$ = term;
	164	}
	165	\|
	166	PE_NAME '=' PE_VALUE
	167	{
	168	struct parse_events__term *term;
	169
	170	ABORT_ON(parse_events__new_term(&term, PARSE_EVENTS__TERM_TYPE_NUM,
	171	$1, NULL, $3));
	172	$$ = term;
	173	}
	174	\|
	175	PE_NAME
	176	{
	177	struct parse_events__term *term;
	178
	179	ABORT_ON(parse_events__new_term(&term, PARSE_EVENTS__TERM_TYPE_NUM,
	180	$1, NULL, 1));
	181	$$ = term;
	182	}
	183	\|
	184	PE_TERM '=' PE_VALUE
	185	{
	186	struct parse_events__term *term;
	187
	188	ABORT_ON(parse_events__new_term(&term, $1, NULL, NULL, $3));
	189	$$ = term;
	190	}
	191	\|
	192	PE_TERM
	193	{
	194	struct parse_events__term *term;
195
196	ABORT_ON(parse_events__new_term(&term, $1, NULL, NULL, 1));
197	$$ = term;
89812fc8 JO	198	}
	199
	200	sep_dc: ':' \|
	201
8f707d84 JO	202	sep_slash_dc: '/' \| ':' \|
8f707d84 JO	203
89812fc8 JO	204	%%
	205
	206	void parse_events_error(struct list_head list __used, int idx __used,
	207	char const *msg __used)
	208	{
	209	}