diff options
Diffstat (limited to 'tools/perf/util/parse-events.y')
| -rw-r--r-- | tools/perf/util/parse-events.y | 747 |
1 files changed, 199 insertions, 548 deletions
diff --git a/tools/perf/util/parse-events.y b/tools/perf/util/parse-events.y index be8c51770051..c194de5ec1ec 100644 --- a/tools/perf/util/parse-events.y +++ b/tools/perf/util/parse-events.y @@ -6,24 +6,27 @@ %{ +#ifndef NDEBUG #define YYDEBUG 1 +#endif -#include <fnmatch.h> -#include <stdio.h> +#include <errno.h> #include <linux/compiler.h> #include <linux/types.h> -#include <linux/zalloc.h> #include "pmu.h" +#include "pmus.h" #include "evsel.h" #include "parse-events.h" #include "parse-events-bison.h" +int parse_events_lex(YYSTYPE * yylval_param, YYLTYPE * yylloc_param , void *yyscanner); void parse_events_error(YYLTYPE *loc, void *parse_state, void *scanner, char const *msg); -#define ABORT_ON(val) \ +#define PE_ABORT(val) \ do { \ - if (val) \ - YYABORT; \ + if (val == -ENOMEM) \ + YYNOMEM; \ + YYABORT; \ } while (0) static struct list_head* alloc_list(void) @@ -49,47 +52,25 @@ static void free_list_evsel(struct list_head* list_evsel) free(list_evsel); } -static void inc_group_count(struct list_head *list, - struct parse_events_state *parse_state) -{ - /* Count groups only have more than 1 members */ - if (!list_is_last(list->next, list)) - parse_state->nr_groups++; -} - %} %token PE_START_EVENTS PE_START_TERMS -%token PE_VALUE PE_VALUE_SYM_HW PE_VALUE_SYM_SW PE_RAW PE_TERM -%token PE_VALUE_SYM_TOOL +%token PE_VALUE PE_TERM %token PE_EVENT_NAME -%token PE_NAME -%token PE_BPF_OBJECT PE_BPF_SOURCE -%token PE_MODIFIER_EVENT PE_MODIFIER_BP -%token PE_NAME_CACHE_TYPE PE_NAME_CACHE_OP_RESULT -%token PE_PREFIX_MEM PE_PREFIX_RAW PE_PREFIX_GROUP +%token PE_RAW PE_NAME +%token PE_MODIFIER_EVENT PE_MODIFIER_BP PE_BP_COLON PE_BP_SLASH +%token PE_PREFIX_MEM %token PE_ERROR -%token PE_PMU_EVENT_PRE PE_PMU_EVENT_SUF PE_PMU_EVENT_SUF2 PE_KERNEL_PMU_EVENT PE_PMU_EVENT_FAKE -%token PE_ARRAY_ALL PE_ARRAY_RANGE %token PE_DRV_CFG_TERM %type <num> PE_VALUE -%type <num> PE_VALUE_SYM_HW -%type <num> PE_VALUE_SYM_SW -%type <num> PE_VALUE_SYM_TOOL -%type <num> PE_RAW -%type <num> PE_TERM -%type <num> value_sym +%type <mod> PE_MODIFIER_EVENT +%type <term_type> PE_TERM +%type <str> PE_RAW %type <str> PE_NAME -%type <str> PE_BPF_OBJECT -%type <str> PE_BPF_SOURCE -%type <str> PE_NAME_CACHE_TYPE -%type <str> PE_NAME_CACHE_OP_RESULT -%type <str> PE_MODIFIER_EVENT %type <str> PE_MODIFIER_BP %type <str> PE_EVENT_NAME -%type <str> PE_PMU_EVENT_PRE PE_PMU_EVENT_SUF PE_PMU_EVENT_SUF2 PE_KERNEL_PMU_EVENT PE_PMU_EVENT_FAKE %type <str> PE_DRV_CFG_TERM -%type <str> event_pmu_name +%type <str> name_or_raw %destructor { free ($$); } <str> %type <term> event_term %destructor { parse_events_term__delete ($$); } <term> @@ -98,13 +79,10 @@ static void inc_group_count(struct list_head *list, %type <list_terms> opt_pmu_config %destructor { parse_events_terms__delete ($$); } <list_terms> %type <list_evsel> event_pmu -%type <list_evsel> event_legacy_symbol -%type <list_evsel> event_legacy_cache %type <list_evsel> event_legacy_mem %type <list_evsel> event_legacy_tracepoint %type <list_evsel> event_legacy_numeric %type <list_evsel> event_legacy_raw -%type <list_evsel> event_bpf_file %type <list_evsel> event_def %type <list_evsel> event_mod %type <list_evsel> event_name @@ -116,26 +94,27 @@ static void inc_group_count(struct list_head *list, %destructor { free_list_evsel ($$); } <list_evsel> %type <tracepoint_name> tracepoint_name %destructor { free ($$.sys); free ($$.event); } <tracepoint_name> -%type <array> array -%type <array> array_term -%type <array> array_terms -%destructor { free ($$.ranges); } <array> %union { char *str; u64 num; + struct parse_events_modifier mod; + enum parse_events__term_type term_type; struct list_head *list_evsel; - struct list_head *list_terms; + struct parse_events_terms *list_terms; struct parse_events_term *term; struct tracepoint_name { char *sys; char *event; } tracepoint_name; - struct parse_events_array array; } %% + /* + * Entry points. We are either parsing events or terminals. Just terminal + * parsing is used for parsing events in sysfs. + */ start: PE_START_EVENTS start_events | @@ -143,31 +122,36 @@ PE_START_TERMS start_terms start_events: groups { + /* Take the parsed events, groups.. and place into parse_state. */ + struct list_head *groups = $1; struct parse_events_state *parse_state = _parse_state; - /* frees $1 */ - parse_events_update_lists($1, &parse_state->list); + list_splice_tail(groups, &parse_state->list); + free(groups); } -groups: +groups: /* A list of groups or events. */ groups ',' group { - struct list_head *list = $1; - struct list_head *group = $3; + /* Merge group into the list of events/groups. */ + struct list_head *groups = $1; + struct list_head *group = $3; - /* frees $3 */ - parse_events_update_lists(group, list); - $$ = list; + list_splice_tail(group, groups); + free(group); + $$ = groups; } | groups ',' event { - struct list_head *list = $1; + /* Merge event into the list of events/groups. */ + struct list_head *groups = $1; struct list_head *event = $3; - /* frees $3 */ - parse_events_update_lists(event, list); - $$ = list; + + list_splice_tail(event, groups); + free(event); + $$ = groups; } | group @@ -177,20 +161,13 @@ event group: group_def ':' PE_MODIFIER_EVENT { + /* Apply the modifier to the events in the group_def. */ struct list_head *list = $1; int err; - err = parse_events__modifier_group(list, $3); - free($3); - if (err) { - struct parse_events_state *parse_state = _parse_state; - struct parse_events_error *error = parse_state->error; - - parse_events_error__handle(error, @3.first_column, - strdup("Bad modifier"), NULL); - free_list_evsel(list); + err = parse_events__modifier_group(_parse_state, &@3, list, $3); + if (err) YYABORT; - } $$ = list; } | @@ -201,9 +178,11 @@ PE_NAME '{' events '}' { struct list_head *list = $3; - inc_group_count(list, _parse_state); - parse_events__set_leader($1, list, _parse_state); - free($1); + /* + * Set the first entry of list to be the leader. Set the group name on + * the leader to $1 taking ownership. + */ + parse_events__set_leader($1, list); $$ = list; } | @@ -211,20 +190,20 @@ PE_NAME '{' events '}' { struct list_head *list = $2; - inc_group_count(list, _parse_state); - parse_events__set_leader(NULL, list, _parse_state); + /* Set the first entry of list to be the leader clearing the group name. */ + parse_events__set_leader(NULL, list); $$ = list; } events: events ',' event { + struct list_head *events = $1; struct list_head *event = $3; - struct list_head *list = $1; - /* frees $3 */ - parse_events_update_lists(event, list); - $$ = list; + list_splice_tail(event, events); + free(event); + $$ = events; } | event @@ -242,17 +221,9 @@ event_name PE_MODIFIER_EVENT * (there could be more events added for multiple tracepoint * definitions via '*?'. */ - err = parse_events__modifier_event(list, $2, false); - free($2); - if (err) { - struct parse_events_state *parse_state = _parse_state; - struct parse_events_error *error = parse_state->error; - - parse_events_error__handle(error, @2.first_column, - strdup("Bad modifier"), NULL); - free_list_evsel(list); + err = parse_events__modifier_event(_parse_state, &@2, list, $2); + if (err) YYABORT; - } $$ = list; } | @@ -261,13 +232,17 @@ event_name event_name: PE_EVENT_NAME event_def { - int err; + /* + * When an event is parsed the text is rewound and the entire text of + * the event is set to the str of PE_EVENT_NAME token matched here. If + * no name was on an event via a term, set the name to the entire text + * taking ownership of the allocation. + */ + int err = parse_events__set_default_name($2, $1); - err = parse_events_name($2, $1); - free($1); if (err) { free_list_evsel($2); - YYABORT; + YYNOMEM; } $$ = $2; } @@ -275,339 +250,120 @@ PE_EVENT_NAME event_def event_def event_def: event_pmu | - event_legacy_symbol | - event_legacy_cache sep_dc | - event_legacy_mem | + event_legacy_mem sep_dc | event_legacy_tracepoint sep_dc | event_legacy_numeric sep_dc | - event_legacy_raw sep_dc | - event_bpf_file - -event_pmu_name: -PE_NAME | PE_PMU_EVENT_PRE + event_legacy_raw sep_dc event_pmu: -event_pmu_name opt_pmu_config +PE_NAME opt_pmu_config { - struct parse_events_state *parse_state = _parse_state; - struct parse_events_error *error = parse_state->error; - struct list_head *list = NULL, *orig_terms = NULL, *terms= NULL; - char *pattern = NULL; - -#define CLEANUP_YYABORT \ - do { \ - parse_events_terms__delete($2); \ - parse_events_terms__delete(orig_terms); \ - free(list); \ - free($1); \ - free(pattern); \ - YYABORT; \ - } while(0) - - if (parse_events_copy_term_list($2, &orig_terms)) - CLEANUP_YYABORT; + /* List of created evsels. */ + struct list_head *list = NULL; + int err = parse_events_multi_pmu_add_or_add_pmu(_parse_state, $1, $2, &list, &@1); - if (error) - error->idx = @1.first_column; - - list = alloc_list(); - if (!list) - CLEANUP_YYABORT; - if (parse_events_add_pmu(_parse_state, list, $1, $2, false, false)) { - struct perf_pmu *pmu = NULL; - int ok = 0; - - if (asprintf(&pattern, "%s*", $1) < 0) - CLEANUP_YYABORT; - - while ((pmu = perf_pmu__scan(pmu)) != NULL) { - char *name = pmu->name; - - if (!strncmp(name, "uncore_", 7) && - strncmp($1, "uncore_", 7)) - name += 7; - if (!perf_pmu__match(pattern, name, $1) || - !perf_pmu__match(pattern, pmu->alias_name, $1)) { - if (parse_events_copy_term_list(orig_terms, &terms)) - CLEANUP_YYABORT; - if (!parse_events_add_pmu(_parse_state, list, pmu->name, terms, true, false)) - ok++; - parse_events_terms__delete(terms); - } - } - - if (!ok) - CLEANUP_YYABORT; - } parse_events_terms__delete($2); - parse_events_terms__delete(orig_terms); - free(pattern); free($1); + if (err) + PE_ABORT(err); $$ = list; -#undef CLEANUP_YYABORT } | -PE_KERNEL_PMU_EVENT sep_dc +PE_NAME sep_dc { struct list_head *list; int err; - err = parse_events_multi_pmu_add(_parse_state, $1, NULL, &list); - free($1); - if (err < 0) - YYABORT; - $$ = list; -} -| -PE_KERNEL_PMU_EVENT opt_pmu_config -{ - struct list_head *list; - int err; + err = parse_events_multi_pmu_add(_parse_state, $1, /*const_parsed_terms*/NULL, &list, &@1); + if (err < 0) { + struct parse_events_state *parse_state = _parse_state; + struct parse_events_error *error = parse_state->error; + char *help; - /* frees $2 */ - err = parse_events_multi_pmu_add(_parse_state, $1, $2, &list); - free($1); - if (err < 0) - YYABORT; - $$ = list; -} -| -PE_PMU_EVENT_PRE '-' PE_PMU_EVENT_SUF '-' PE_PMU_EVENT_SUF2 sep_dc -{ - struct list_head *list; - char pmu_name[128]; - snprintf(pmu_name, sizeof(pmu_name), "%s-%s-%s", $1, $3, $5); + if (asprintf(&help, "Unable to find event on a PMU of '%s'", $1) < 0) + help = NULL; + parse_events_error__handle(error, @1.first_column, strdup("Bad event name"), help); + free($1); + PE_ABORT(err); + } free($1); - free($3); - free($5); - if (parse_events_multi_pmu_add(_parse_state, pmu_name, NULL, &list) < 0) - YYABORT; $$ = list; } -| -PE_PMU_EVENT_PRE '-' PE_PMU_EVENT_SUF sep_dc -{ - struct list_head *list; - char pmu_name[128]; - snprintf(pmu_name, sizeof(pmu_name), "%s-%s", $1, $3); - free($1); - free($3); - if (parse_events_multi_pmu_add(_parse_state, pmu_name, NULL, &list) < 0) - YYABORT; - $$ = list; -} -| -PE_PMU_EVENT_FAKE sep_dc +event_legacy_mem: +PE_PREFIX_MEM PE_VALUE PE_BP_SLASH PE_VALUE PE_BP_COLON PE_MODIFIER_BP opt_event_config { struct list_head *list; int err; list = alloc_list(); if (!list) - YYABORT; + YYNOMEM; - err = parse_events_add_pmu(_parse_state, list, $1, NULL, false, false); - free($1); - if (err < 0) { + err = parse_events_add_breakpoint(_parse_state, list, + $2, $6, $4, $7); + parse_events_terms__delete($7); + free($6); + if (err) { free(list); - YYABORT; + PE_ABORT(err); } $$ = list; } | -PE_PMU_EVENT_FAKE opt_pmu_config +PE_PREFIX_MEM PE_VALUE PE_BP_SLASH PE_VALUE opt_event_config { struct list_head *list; int err; list = alloc_list(); if (!list) - YYABORT; - - err = parse_events_add_pmu(_parse_state, list, $1, $2, false, false); - free($1); - parse_events_terms__delete($2); - if (err < 0) { - free(list); - YYABORT; - } - $$ = list; -} - -value_sym: -PE_VALUE_SYM_HW -| -PE_VALUE_SYM_SW - -event_legacy_symbol: -value_sym '/' event_config '/' -{ - struct list_head *list; - int type = $1 >> 16; - int config = $1 & 255; - int err; - - list = alloc_list(); - ABORT_ON(!list); - err = parse_events_add_numeric(_parse_state, list, type, config, $3); - parse_events_terms__delete($3); - if (err) { - free_list_evsel(list); - YYABORT; - } - $$ = list; -} -| -value_sym sep_slash_slash_dc -{ - struct list_head *list; - int type = $1 >> 16; - int config = $1 & 255; - - list = alloc_list(); - ABORT_ON(!list); - ABORT_ON(parse_events_add_numeric(_parse_state, list, type, config, NULL)); - $$ = list; -} -| -PE_VALUE_SYM_TOOL sep_slash_slash_dc -{ - struct list_head *list; - - list = alloc_list(); - ABORT_ON(!list); - ABORT_ON(parse_events_add_tool(_parse_state, list, $1)); - $$ = list; -} + YYNOMEM; -event_legacy_cache: -PE_NAME_CACHE_TYPE '-' PE_NAME_CACHE_OP_RESULT '-' PE_NAME_CACHE_OP_RESULT opt_event_config -{ - struct parse_events_state *parse_state = _parse_state; - struct parse_events_error *error = parse_state->error; - struct list_head *list; - int err; - - list = alloc_list(); - ABORT_ON(!list); - err = parse_events_add_cache(list, &parse_state->idx, $1, $3, $5, error, $6, - parse_state); - parse_events_terms__delete($6); - free($1); - free($3); - free($5); - if (err) { - free_list_evsel(list); - YYABORT; - } - $$ = list; -} -| -PE_NAME_CACHE_TYPE '-' PE_NAME_CACHE_OP_RESULT opt_event_config -{ - struct parse_events_state *parse_state = _parse_state; - struct parse_events_error *error = parse_state->error; - struct list_head *list; - int err; - - list = alloc_list(); - ABORT_ON(!list); - err = parse_events_add_cache(list, &parse_state->idx, $1, $3, NULL, error, $4, - parse_state); - parse_events_terms__delete($4); - free($1); - free($3); + err = parse_events_add_breakpoint(_parse_state, list, + $2, NULL, $4, $5); + parse_events_terms__delete($5); if (err) { - free_list_evsel(list); - YYABORT; + free(list); + PE_ABORT(err); } $$ = list; } | -PE_NAME_CACHE_TYPE opt_event_config +PE_PREFIX_MEM PE_VALUE PE_BP_COLON PE_MODIFIER_BP opt_event_config { - struct parse_events_state *parse_state = _parse_state; - struct parse_events_error *error = parse_state->error; struct list_head *list; int err; list = alloc_list(); - ABORT_ON(!list); - err = parse_events_add_cache(list, &parse_state->idx, $1, NULL, NULL, error, $2, - parse_state); - parse_events_terms__delete($2); - free($1); - if (err) { - free_list_evsel(list); - YYABORT; - } - $$ = list; -} - -event_legacy_mem: -PE_PREFIX_MEM PE_VALUE '/' PE_VALUE ':' PE_MODIFIER_BP sep_dc -{ - struct parse_events_state *parse_state = _parse_state; - struct list_head *list; - int err; + if (!list) + YYNOMEM; - list = alloc_list(); - ABORT_ON(!list); - err = parse_events_add_breakpoint(list, &parse_state->idx, - $2, $6, $4); - free($6); + err = parse_events_add_breakpoint(_parse_state, list, + $2, $4, 0, $5); + parse_events_terms__delete($5); + free($4); if (err) { free(list); - YYABORT; - } - $$ = list; -} -| -PE_PREFIX_MEM PE_VALUE '/' PE_VALUE sep_dc -{ - struct parse_events_state *parse_state = _parse_state; - struct list_head *list; - - list = alloc_list(); - ABORT_ON(!list); - if (parse_events_add_breakpoint(list, &parse_state->idx, - $2, NULL, $4)) { - free(list); - YYABORT; + PE_ABORT(err); } $$ = list; } | -PE_PREFIX_MEM PE_VALUE ':' PE_MODIFIER_BP sep_dc +PE_PREFIX_MEM PE_VALUE opt_event_config { - struct parse_events_state *parse_state = _parse_state; struct list_head *list; int err; list = alloc_list(); - ABORT_ON(!list); - err = parse_events_add_breakpoint(list, &parse_state->idx, - $2, $4, 0); - free($4); + if (!list) + YYNOMEM; + err = parse_events_add_breakpoint(_parse_state, list, + $2, NULL, 0, $3); + parse_events_terms__delete($3); if (err) { free(list); - YYABORT; - } - $$ = list; -} -| -PE_PREFIX_MEM PE_VALUE sep_dc -{ - struct parse_events_state *parse_state = _parse_state; - struct list_head *list; - - list = alloc_list(); - ABORT_ON(!list); - if (parse_events_add_breakpoint(list, &parse_state->idx, - $2, NULL, 0)) { - free(list); - YYABORT; + PE_ABORT(err); } $$ = list; } @@ -621,35 +377,23 @@ tracepoint_name opt_event_config int err; list = alloc_list(); - ABORT_ON(!list); - if (error) - error->idx = @1.first_column; + if (!list) + YYNOMEM; - err = parse_events_add_tracepoint(list, &parse_state->idx, $1.sys, $1.event, - error, $2); + err = parse_events_add_tracepoint(parse_state, list, $1.sys, $1.event, + error, $2, &@1); parse_events_terms__delete($2); free($1.sys); free($1.event); if (err) { free(list); - YYABORT; + PE_ABORT(err); } $$ = list; } tracepoint_name: -PE_NAME '-' PE_NAME ':' PE_NAME -{ - struct tracepoint_name tracepoint; - - ABORT_ON(asprintf(&tracepoint.sys, "%s-%s", $1, $3) < 0); - tracepoint.event = $5; - free($1); - free($3); - $$ = tracepoint; -} -| PE_NAME ':' PE_NAME { struct tracepoint_name tracepoint = {$1, $3}; @@ -664,12 +408,14 @@ PE_VALUE ':' PE_VALUE opt_event_config int err; list = alloc_list(); - ABORT_ON(!list); - err = parse_events_add_numeric(_parse_state, list, (u32)$1, $3, $4); + if (!list) + YYNOMEM; + err = parse_events_add_numeric(_parse_state, list, (u32)$1, $3, $4, + /*wildcard=*/false); parse_events_terms__delete($4); if (err) { free(list); - YYABORT; + PE_ABORT(err); } $$ = list; } @@ -679,49 +425,23 @@ PE_RAW opt_event_config { struct list_head *list; int err; + u64 num; list = alloc_list(); - ABORT_ON(!list); - err = parse_events_add_numeric(_parse_state, list, PERF_TYPE_RAW, $1, $2); - parse_events_terms__delete($2); - if (err) { - free(list); + if (!list) + YYNOMEM; + errno = 0; + num = strtoull($1 + 1, NULL, 16); + /* Given the lexer will only give [a-fA-F0-9]+ a failure here should be impossible. */ + if (errno) YYABORT; - } - $$ = list; -} - -event_bpf_file: -PE_BPF_OBJECT opt_event_config -{ - struct parse_events_state *parse_state = _parse_state; - struct list_head *list; - int err; - - list = alloc_list(); - ABORT_ON(!list); - err = parse_events_load_bpf(parse_state, list, $1, false, $2); - parse_events_terms__delete($2); free($1); - if (err) { - free(list); - YYABORT; - } - $$ = list; -} -| -PE_BPF_SOURCE opt_event_config -{ - struct list_head *list; - int err; - - list = alloc_list(); - ABORT_ON(!list); - err = parse_events_load_bpf(_parse_state, list, $1, true, $2); + err = parse_events_add_numeric(_parse_state, list, PERF_TYPE_RAW, num, $2, + /*wildcard=*/false); parse_events_terms__delete($2); if (err) { free(list); - YYABORT; + PE_ABORT(err); } $$ = list; } @@ -765,71 +485,67 @@ start_terms: event_config event_config: event_config ',' event_term { - struct list_head *head = $1; + struct parse_events_terms *head = $1; struct parse_events_term *term = $3; if (!head) { parse_events_term__delete(term); YYABORT; } - list_add_tail(&term->list, head); + list_add_tail(&term->list, &head->terms); $$ = $1; } | event_term { - struct list_head *head = malloc(sizeof(*head)); + struct parse_events_terms *head = malloc(sizeof(*head)); struct parse_events_term *term = $1; - ABORT_ON(!head); - INIT_LIST_HEAD(head); - list_add_tail(&term->list, head); + if (!head) + YYNOMEM; + parse_events_terms__init(head); + list_add_tail(&term->list, &head->terms); $$ = head; } +name_or_raw: PE_RAW | PE_NAME + event_term: PE_RAW { struct parse_events_term *term; + int err = parse_events_term__str(&term, PARSE_EVENTS__TERM_TYPE_RAW, + strdup("raw"), $1, &@1, &@1); - ABORT_ON(parse_events_term__num(&term, PARSE_EVENTS__TERM_TYPE_CONFIG, - NULL, $1, false, &@1, NULL)); - $$ = term; -} -| -PE_NAME '=' PE_NAME -{ - struct parse_events_term *term; - - if (parse_events_term__str(&term, PARSE_EVENTS__TERM_TYPE_USER, - $1, $3, &@1, &@3)) { + if (err) { free($1); - free($3); - YYABORT; + PE_ABORT(err); } $$ = term; } | -PE_NAME '=' PE_VALUE +name_or_raw '=' name_or_raw { struct parse_events_term *term; + int err = parse_events_term__str(&term, PARSE_EVENTS__TERM_TYPE_USER, $1, $3, &@1, &@3); - if (parse_events_term__num(&term, PARSE_EVENTS__TERM_TYPE_USER, - $1, $3, false, &@1, &@3)) { + if (err) { free($1); - YYABORT; + free($3); + PE_ABORT(err); } $$ = term; } | -PE_NAME '=' PE_VALUE_SYM_HW +name_or_raw '=' PE_VALUE { struct parse_events_term *term; - int config = $3 & 255; + int err = parse_events_term__num(&term, PARSE_EVENTS__TERM_TYPE_USER, + $1, $3, /*novalue=*/false, &@1, &@3); - if (parse_events_term__sym_hw(&term, $1, config)) { + if (err) { free($1); - YYABORT; + PE_ABORT(err); } $$ = term; } @@ -837,77 +553,62 @@ PE_NAME '=' PE_VALUE_SYM_HW PE_NAME { struct parse_events_term *term; + int err = parse_events_term__num(&term, PARSE_EVENTS__TERM_TYPE_USER, + $1, /*num=*/1, /*novalue=*/true, &@1, /*loc_val=*/NULL); - if (parse_events_term__num(&term, PARSE_EVENTS__TERM_TYPE_USER, - $1, 1, true, &@1, NULL)) { + if (err) { free($1); - YYABORT; + PE_ABORT(err); } $$ = term; } | -PE_VALUE_SYM_HW +PE_TERM '=' name_or_raw { struct parse_events_term *term; - int config = $1 & 255; + int err = parse_events_term__str(&term, $1, /*config=*/NULL, $3, &@1, &@3); - ABORT_ON(parse_events_term__sym_hw(&term, NULL, config)); - $$ = term; -} -| -PE_TERM '=' PE_NAME -{ - struct parse_events_term *term; - - if (parse_events_term__str(&term, (int)$1, NULL, $3, &@1, &@3)) { + if (err) { free($3); - YYABORT; + PE_ABORT(err); } $$ = term; } | -PE_TERM '=' PE_VALUE +PE_TERM '=' PE_TERM { struct parse_events_term *term; + int err = parse_events_term__term(&term, $1, $3, &@1, &@3); - ABORT_ON(parse_events_term__num(&term, (int)$1, NULL, $3, false, &@1, &@3)); - $$ = term; -} -| -PE_TERM -{ - struct parse_events_term *term; + if (err) + PE_ABORT(err); - ABORT_ON(parse_events_term__num(&term, (int)$1, NULL, 1, true, &@1, NULL)); $$ = term; } | -PE_NAME array '=' PE_NAME +PE_TERM '=' PE_VALUE { struct parse_events_term *term; + int err = parse_events_term__num(&term, $1, + /*config=*/NULL, $3, /*novalue=*/false, + &@1, &@3); + + if (err) + PE_ABORT(err); - if (parse_events_term__str(&term, PARSE_EVENTS__TERM_TYPE_USER, - $1, $4, &@1, &@4)) { - free($1); - free($4); - free($2.ranges); - YYABORT; - } - term->array = $2; $$ = term; } | -PE_NAME array '=' PE_VALUE +PE_TERM { struct parse_events_term *term; + int err = parse_events_term__num(&term, $1, + /*config=*/NULL, /*num=*/1, /*novalue=*/true, + &@1, /*loc_val=*/NULL); + + if (err) + PE_ABORT(err); - if (parse_events_term__num(&term, PARSE_EVENTS__TERM_TYPE_USER, - $1, $4, false, &@1, &@4)) { - free($1); - free($2.ranges); - YYABORT; - } - term->array = $2; $$ = term; } | @@ -915,82 +616,32 @@ PE_DRV_CFG_TERM { struct parse_events_term *term; char *config = strdup($1); + int err; - ABORT_ON(!config); - if (parse_events_term__str(&term, PARSE_EVENTS__TERM_TYPE_DRV_CFG, - config, $1, &@1, NULL)) { + if (!config) + YYNOMEM; + err = parse_events_term__str(&term, PARSE_EVENTS__TERM_TYPE_DRV_CFG, config, $1, &@1, NULL); + if (err) { free($1); free(config); - YYABORT; + PE_ABORT(err); } $$ = term; } -array: -'[' array_terms ']' -{ - $$ = $2; -} -| -PE_ARRAY_ALL -{ - $$.nr_ranges = 0; - $$.ranges = NULL; -} - -array_terms: -array_terms ',' array_term -{ - struct parse_events_array new_array; - - new_array.nr_ranges = $1.nr_ranges + $3.nr_ranges; - new_array.ranges = realloc($1.ranges, - sizeof(new_array.ranges[0]) * - new_array.nr_ranges); - ABORT_ON(!new_array.ranges); - memcpy(&new_array.ranges[$1.nr_ranges], $3.ranges, - $3.nr_ranges * sizeof(new_array.ranges[0])); - free($3.ranges); - $$ = new_array; -} -| -array_term - -array_term: -PE_VALUE -{ - struct parse_events_array array; - - array.nr_ranges = 1; - array.ranges = malloc(sizeof(array.ranges[0])); - ABORT_ON(!array.ranges); - array.ranges[0].start = $1; - array.ranges[0].length = 1; - $$ = array; -} -| -PE_VALUE PE_ARRAY_RANGE PE_VALUE -{ - struct parse_events_array array; - - ABORT_ON($3 < $1); - array.nr_ranges = 1; - array.ranges = malloc(sizeof(array.ranges[0])); - ABORT_ON(!array.ranges); - array.ranges[0].start = $1; - array.ranges[0].length = $3 - $1 + 1; - $$ = array; -} - sep_dc: ':' | -sep_slash_slash_dc: '/' '/' | ':' | - %% -void parse_events_error(YYLTYPE *loc, void *parse_state, +void parse_events_error(YYLTYPE *loc, void *_parse_state, void *scanner __maybe_unused, char const *msg __maybe_unused) { - parse_events_evlist_error(parse_state, loc->last_column, "parser error"); + struct parse_events_state *parse_state = _parse_state; + + if (!parse_state->error || !list_empty(&parse_state->error->list)) + return; + + parse_events_error__handle(parse_state->error, loc->last_column, + strdup("Unrecognized input"), NULL); } |