linux-kernel - [tip:perf/core] perf symbols: Introduce symbol__elf

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <tip-166ccc9c244828da9214a0e7ba4d5dde6a26dcc1@git.kernel.org>
Date:	Tue, 21 Aug 2012 08:41:44 -0700
From:	tip-bot for Namhyung Kim <namhyung.kim@....com>
To:	linux-tip-commits@...r.kernel.org
Cc:	acme@...hat.com, linux-kernel@...r.kernel.org, paulus@...ba.org,
	hpa@...or.com, mingo@...nel.org, a.p.zijlstra@...llo.nl,
	namhyung.kim@....com, namhyung@...nel.org, jolsa@...hat.com,
	tglx@...utronix.de
Subject: [tip:perf/core] perf symbols: Introduce symbol__elf_init()

Commit-ID:  166ccc9c244828da9214a0e7ba4d5dde6a26dcc1
Gitweb:     http://git.kernel.org/tip/166ccc9c244828da9214a0e7ba4d5dde6a26dcc1
Author:     Namhyung Kim <namhyung.kim@....com>
AuthorDate: Mon, 6 Aug 2012 13:41:19 +0900
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Thu, 9 Aug 2012 16:19:14 -0300

perf symbols: Introduce symbol__elf_init()

The symbol__elf_init() is for initializing internal libelf data
structure and getting rid of its dependency outside of ELF/symboling
handling code.

Signed-off-by: Namhyung Kim <namhyung@...nel.org>
Cc: Ingo Molnar <mingo@...nel.org>
Cc: Jiri Olsa <jolsa@...hat.com>
Cc: Paul Mackerras <paulus@...ba.org>
Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Link: http://lkml.kernel.org/r/1344228082-15569-2-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/builtin-buildid-list.c |    4 +---
 tools/perf/util/symbol.c          |    8 +++++++-
 tools/perf/util/symbol.h          |    1 +
 3 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/tools/perf/builtin-buildid-list.c b/tools/perf/builtin-buildid-list.c
index 6b2bcfb..7d68428 100644
--- a/tools/perf/builtin-buildid-list.c
+++ b/tools/perf/builtin-buildid-list.c
@@ -16,8 +16,6 @@
 #include "util/session.h"
 #include "util/symbol.h"
 
-#include <libelf.h>
-
 static const char *input_name;
 static bool force;
 static bool show_kernel;
@@ -71,7 +69,7 @@ static int perf_session__list_build_ids(void)
 {
 	struct perf_session *session;
 
-	elf_version(EV_CURRENT);
+	symbol__elf_init();
 
 	session = perf_session__new(input_name, O_RDONLY, force, false,
 				    &build_id__mark_dso_hit_ops);
diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index 8b63b67..a61fec4 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -1453,6 +1453,11 @@ out_close:
 	return err;
 }
 
+void symbol__elf_init(void)
+{
+	elf_version(EV_CURRENT);
+}
+
 static bool dso__build_id_equal(const struct dso *dso, u8 *build_id)
 {
 	return memcmp(dso->build_id, build_id, sizeof(dso->build_id)) == 0;
@@ -2754,7 +2759,8 @@ int symbol__init(void)
 
 	symbol_conf.priv_size = ALIGN(symbol_conf.priv_size, sizeof(u64));
 
-	elf_version(EV_CURRENT);
+	symbol__elf_init();
+
 	if (symbol_conf.sort_by_name)
 		symbol_conf.priv_size += (sizeof(struct symbol_name_rb_node) -
 					  sizeof(struct symbol));
diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h
index 1fe733a..355993d 100644
--- a/tools/perf/util/symbol.h
+++ b/tools/perf/util/symbol.h
@@ -309,6 +309,7 @@ void machines__destroy_guest_kernel_maps(struct rb_root *machines);
 
 int symbol__init(void);
 void symbol__exit(void);
+void symbol__elf_init(void);
 size_t symbol__fprintf_symname_offs(const struct symbol *sym,
 				    const struct addr_location *al, FILE *fp);
 size_t symbol__fprintf_symname(const struct symbol *sym, FILE *fp);
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/