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perf parse-events: Move instances of YYABORT to YYNOMEM

Browse source 
Migration to improve error reporting as YYABORT cases should carry
event parsing errors.

Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Athira Rajeev <atrajeev@linux.vnet.ibm.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: bpf@vger.kernel.org
Link: https://lore.kernel.org/r/20230627181030.95608-9-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Ian Rogers 2023-06-27 11:10:25 -07:00 committed by Arnaldo Carvalho de Melo
parent a7a3252dad
commit 77cdd787fc
1 changed files with 40 additions and 18 deletions
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58
tools/perf/util/parse-events.y
View file

@ -390,7 +390,8 @@ value_sym '/' event_config '/'
bool wildcard = (type == PERF_TYPE_HARDWARE || type == PERF_TYPE_HW_CACHE);
list = alloc_list();
ABORT_ON(!list);
if (!list)
YYNOMEM;
err = parse_events_add_numeric(_parse_state, list, type, config, $3, wildcard);
parse_events_terms__delete($3);
if (err) {
@ -408,7 +409,8 @@ value_sym sep_slash_slash_dc
bool wildcard = (type == PERF_TYPE_HARDWARE || type == PERF_TYPE_HW_CACHE);
list = alloc_list();
ABORT_ON(!list);
if (!list)
YYNOMEM;
ABORT_ON(parse_events_add_numeric(_parse_state, list, type, config,
/*head_config=*/NULL, wildcard));
$$ = list;
@ -419,7 +421,8 @@ PE_VALUE_SYM_TOOL sep_slash_slash_dc
struct list_head *list;
list = alloc_list();
ABORT_ON(!list);
if (!list)
YYNOMEM;
ABORT_ON(parse_events_add_tool(_parse_state, list, $1));
$$ = list;
}
@ -432,7 +435,9 @@ PE_LEGACY_CACHE opt_event_config
int err;
list = alloc_list();
ABORT_ON(!list);
if (!list)
YYNOMEM;
err = parse_events_add_cache(list, &parse_state->idx, $1, parse_state, $2);
parse_events_terms__delete($2);
@ -451,7 +456,9 @@ PE_PREFIX_MEM PE_VALUE PE_BP_SLASH PE_VALUE PE_BP_COLON PE_MODIFIER_BP opt_event
int err;
list = alloc_list();
ABORT_ON(!list);
if (!list)
YYNOMEM;
err = parse_events_add_breakpoint(_parse_state, list,
$2, $6, $4, $7);
parse_events_terms__delete($7);
@ -469,7 +476,9 @@ PE_PREFIX_MEM PE_VALUE PE_BP_SLASH PE_VALUE opt_event_config
int err;
list = alloc_list();
ABORT_ON(!list);
if (!list)
YYNOMEM;
err = parse_events_add_breakpoint(_parse_state, list,
$2, NULL, $4, $5);
parse_events_terms__delete($5);
@ -486,7 +495,9 @@ PE_PREFIX_MEM PE_VALUE PE_BP_COLON PE_MODIFIER_BP opt_event_config
int err;
list = alloc_list();
ABORT_ON(!list);
if (!list)
YYNOMEM;
err = parse_events_add_breakpoint(_parse_state, list,
$2, $4, 0, $5);
parse_events_terms__delete($5);
@ -504,7 +515,8 @@ PE_PREFIX_MEM PE_VALUE opt_event_config
int err;
list = alloc_list();
ABORT_ON(!list);
if (!list)
YYNOMEM;
err = parse_events_add_breakpoint(_parse_state, list,
$2, NULL, 0, $3);
parse_events_terms__delete($3);
@ -524,7 +536,8 @@ tracepoint_name opt_event_config
int err;
list = alloc_list();
ABORT_ON(!list);
if (!list)
YYNOMEM;
if (error)
error->idx = @1.first_column;
@ -556,7 +569,8 @@ PE_VALUE ':' PE_VALUE opt_event_config
int err;
list = alloc_list();
ABORT_ON(!list);
if (!list)
YYNOMEM;
err = parse_events_add_numeric(_parse_state, list, (u32)$1, $3, $4,
/*wildcard=*/false);
parse_events_terms__delete($4);
@ -575,7 +589,8 @@ PE_RAW opt_event_config
u64 num;
list = alloc_list();
ABORT_ON(!list);
if (!list)
YYNOMEM;
errno = 0;
num = strtoull($1 + 1, NULL, 16);
ABORT_ON(errno);
@ -598,7 +613,8 @@ PE_BPF_OBJECT opt_event_config
int err;
list = alloc_list();
ABORT_ON(!list);
if (!list)
YYNOMEM;
err = parse_events_load_bpf(parse_state, list, $1, false, $2);
parse_events_terms__delete($2);
free($1);
@ -615,7 +631,8 @@ PE_BPF_SOURCE opt_event_config
int err;
list = alloc_list();
ABORT_ON(!list);
if (!list)
YYNOMEM;
err = parse_events_load_bpf(_parse_state, list, $1, true, $2);
parse_events_terms__delete($2);
if (err) {
@ -680,7 +697,8 @@ event_term
struct list_head *head = malloc(sizeof(*head));
struct parse_events_term *term = $1;
ABORT_ON(!head);
if (!head)
YYNOMEM;
INIT_LIST_HEAD(head);
list_add_tail(&term->list, head);
$$ = head;
@ -857,7 +875,8 @@ PE_DRV_CFG_TERM
struct parse_events_term *term;
char *config = strdup($1);
ABORT_ON(!config);
if (!config)
YYNOMEM;
if (parse_events_term__str(&term, PARSE_EVENTS__TERM_TYPE_DRV_CFG,
config, $1, &@1, NULL)) {
free($1);
@ -888,7 +907,8 @@ array_terms ',' array_term
new_array.ranges = realloc($1.ranges,
sizeof(new_array.ranges[0]) *
new_array.nr_ranges);
ABORT_ON(!new_array.ranges);
if (!new_array.ranges)
YYNOMEM;
memcpy(&new_array.ranges[$1.nr_ranges], $3.ranges,
$3.nr_ranges * sizeof(new_array.ranges[0]));
free($3.ranges);
@ -904,7 +924,8 @@ PE_VALUE
array.nr_ranges = 1;
array.ranges = malloc(sizeof(array.ranges[0]));
ABORT_ON(!array.ranges);
if (!array.ranges)
YYNOMEM;
array.ranges[0].start = $1;
array.ranges[0].length = 1;
$$ = array;
@ -917,7 +938,8 @@ PE_VALUE PE_ARRAY_RANGE PE_VALUE
ABORT_ON($3 < $1);
array.nr_ranges = 1;
array.ranges = malloc(sizeof(array.ranges[0]));
ABORT_ON(!array.ranges);
if (!array.ranges)
YYNOMEM;
array.ranges[0].start = $1;
array.ranges[0].length = $3 - $1 + 1;
$$ = array;