linux-kernel - [PATCH 47/52] perf tools: Add vdso_

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Message-Id: <1406035081-14301-48-git-send-email-adrian.hunter@intel.com>
Date:	Tue, 22 Jul 2014 16:17:56 +0300
From:	Adrian Hunter <adrian.hunter@...el.com>
To:	Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:	Peter Zijlstra <peterz@...radead.org>,
	linux-kernel@...r.kernel.org, David Ahern <dsahern@...il.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Jiri Olsa <jolsa@...hat.com>,
	Namhyung Kim <namhyung@...il.com>,
	Paul Mackerras <paulus@...ba.org>,
	Stephane Eranian <eranian@...gle.com>
Subject: [PATCH 47/52] perf tools: Add vdso__new()

This is preparation for adding support for
compat VDSOs.

Signed-off-by: Adrian Hunter <adrian.hunter@...el.com>
---
 tools/perf/util/vdso.c | 20 +++++++++++++++-----
 1 file changed, 15 insertions(+), 5 deletions(-)

diff --git a/tools/perf/util/vdso.c b/tools/perf/util/vdso.c
index fdaccaf..946d927 100644
--- a/tools/perf/util/vdso.c
+++ b/tools/perf/util/vdso.c
@@ -121,6 +121,20 @@ void vdso__exit(struct machine *machine)
 	zfree(&machine->vdso_info);
 }
 
+static struct dso *vdso__new(struct machine *machine, const char *short_name,
+			     const char *long_name)
+{
+	struct dso *dso;
+
+	dso = dso__new(short_name);
+	if (dso != NULL) {
+		dsos__add(&machine->user_dsos, dso);
+		dso__set_long_name(dso, long_name, false);
+	}
+
+	return dso;
+}
+
 struct dso *vdso__dso_findnew(struct machine *machine)
 {
 	struct vdso_info *vdso_info;
@@ -141,11 +155,7 @@ struct dso *vdso__dso_findnew(struct machine *machine)
 		if (!file)
 			return NULL;
 
-		dso = dso__new(VDSO__MAP_NAME);
-		if (dso != NULL) {
-			dsos__add(&machine->user_dsos, dso);
-			dso__set_long_name(dso, file, false);
-		}
+		dso = vdso__new(machine, VDSO__MAP_NAME, file);
 	}
 
 	return dso;
-- 
1.8.3.2

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