Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754883AbaDGHF6 (ORCPT ); Mon, 7 Apr 2014 03:05:58 -0400 Received: from lgeamrelo04.lge.com ([156.147.1.127]:59355 "EHLO lgeamrelo04.lge.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750922AbaDGHF4 (ORCPT ); Mon, 7 Apr 2014 03:05:56 -0400 X-Original-SENDERIP: 10.177.220.181 X-Original-MAILFROM: namhyung@kernel.org From: Namhyung Kim To: Arnaldo Carvalho de Melo , Jiri Olsa Cc: Peter Zijlstra , Ingo Molnar , Paul Mackerras , Namhyung Kim , Namhyung Kim , LKML , Masami Hiramatsu Subject: [PATCH] perf probe: Use dwarf_getcfi_elf() instead of dwarf_getcfi() Date: Mon, 7 Apr 2014 16:05:48 +0900 Message-Id: <1396854348-9296-1-git-send-email-namhyung@kernel.org> X-Mailer: git-send-email 1.7.11.7 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The dwarf_getcfi() only checks .debug_frame section for CFI, but as most binaries only have .eh_frame it'd return NULL and it makes some variables inaccessible. Using dwarf_getcfi_elf (along with dwarf_getelf()) allows to show and add probe to more variables. Cc: Masami Hiramatsu Signed-off-by: Namhyung Kim --- tools/perf/util/probe-finder.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/perf/util/probe-finder.c b/tools/perf/util/probe-finder.c index 3bf0c8cdccb7..d58da0672736 100644 --- a/tools/perf/util/probe-finder.c +++ b/tools/perf/util/probe-finder.c @@ -985,7 +985,7 @@ static int debuginfo__find_probes(struct debuginfo *dbg, #if _ELFUTILS_PREREQ(0, 142) /* Get the call frame information from this dwarf */ - pf->cfi = dwarf_getcfi(dbg->dbg); + pf->cfi = dwarf_getcfi_elf(dwarf_getelf(dbg->dbg)); #endif off = 0; -- 1.7.11.7 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/