linux-kernel - [PATCH 02/25] perf tools: Fix function declarations needed by parse-events.y

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Date:	Wed, 27 May 2015 12:38:47 -0300
From:	Arnaldo Carvalho de Melo <acme@...nel.org>
To:	Ingo Molnar <mingo@...nel.org>
Cc:	linux-kernel@...r.kernel.org,
	Adrian Hunter <adrian.hunter@...el.com>,
	Jiri Olsa <jolsa@...hat.com>,
	Namhyung Kim <namhyung@...il.com>,
	Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: [PATCH 02/25] perf tools: Fix function declarations needed by parse-events.y

From: Adrian Hunter <adrian.hunter@...el.com>

Patch "perf tools: Add location to pmu event terms" moved declarations
for parse_events_term__num() and parse_events_term__str() so that they
were no longer visible in parse-events.y. That can result in segfaults
as the arguments no longer need match the function prototype.

Move the declarations back, changing YYLTYPE pointers to
pointers-to-void because YYLTYPE is not generated until parse-events.y
is processed.

Signed-off-by: Adrian Hunter <adrian.hunter@...el.com>
Cc: Jiri Olsa <jolsa@...hat.com>
Cc: Namhyung Kim <namhyung@...il.com>
Link: http://lkml.kernel.org/r/1432040746-1755-2-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/util/parse-events.c | 16 ++++++++--------
 tools/perf/util/parse-events.h |  6 ++++++
 2 files changed, 14 insertions(+), 8 deletions(-)

diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index 80a50fdb6d8a..78032d887c1a 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -25,12 +25,6 @@
 extern int parse_events_debug;
 #endif
 int parse_events_parse(void *data, void *scanner);
-int parse_events_term__num(struct parse_events_term **term,
-			   int type_term, char *config, u64 num,
-			   YYLTYPE *loc_term, YYLTYPE *loc_val);
-int parse_events_term__str(struct parse_events_term **term,
-			   int type_term, char *config, char *str,
-			   YYLTYPE *loc_term, YYLTYPE *loc_val);
 
 static struct perf_pmu_event_symbol *perf_pmu_events_list;
 /*
@@ -1601,8 +1595,11 @@ static int new_term(struct parse_events_term **_term, int type_val,
 
 int parse_events_term__num(struct parse_events_term **term,
 			   int type_term, char *config, u64 num,
-			   YYLTYPE *loc_term, YYLTYPE *loc_val)
+			   void *loc_term_, void *loc_val_)
 {
+	YYLTYPE *loc_term = loc_term_;
+	YYLTYPE *loc_val = loc_val_;
+
 	return new_term(term, PARSE_EVENTS__TERM_TYPE_NUM, type_term,
 			config, NULL, num,
 			loc_term ? loc_term->first_column : 0,
@@ -1611,8 +1608,11 @@ int parse_events_term__num(struct parse_events_term **term,
 
 int parse_events_term__str(struct parse_events_term **term,
 			   int type_term, char *config, char *str,
-			   YYLTYPE *loc_term, YYLTYPE *loc_val)
+			   void *loc_term_, void *loc_val_)
 {
+	YYLTYPE *loc_term = loc_term_;
+	YYLTYPE *loc_val = loc_val_;
+
 	return new_term(term, PARSE_EVENTS__TERM_TYPE_STR, type_term,
 			config, str, 0,
 			loc_term ? loc_term->first_column : 0,
diff --git a/tools/perf/util/parse-events.h b/tools/perf/util/parse-events.h
index e236f1b6ac6f..131f29b2f132 100644
--- a/tools/perf/util/parse-events.h
+++ b/tools/perf/util/parse-events.h
@@ -98,6 +98,12 @@ struct parse_events_terms {
 };
 
 int parse_events__is_hardcoded_term(struct parse_events_term *term);
+int parse_events_term__num(struct parse_events_term **term,
+			   int type_term, char *config, u64 num,
+			   void *loc_term, void *loc_val);
+int parse_events_term__str(struct parse_events_term **term,
+			   int type_term, char *config, char *str,
+			   void *loc_term, void *loc_val);
 int parse_events_term__sym_hw(struct parse_events_term **term,
 			      char *config, unsigned idx);
 int parse_events_term__clone(struct parse_events_term **new,
-- 
2.1.0

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