From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752598AbcFZK5N (ORCPT ); Sun, 26 Jun 2016 06:57:13 -0400 Received: from terminus.zytor.com ([198.137.202.10]:51256 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752272AbcFZK5L (ORCPT ); Sun, 26 Jun 2016 06:57:11 -0400 Date: Sun, 26 Jun 2016 03:56:35 -0700 From: tip-bot for He Kuang Message-ID: Cc: tglx@linutronix.de, hekuang@huawei.com, ak@linux.intel.com, jolsa@kernel.org, hpa@zytor.com, adrian.hunter@intel.com, namhyung@kernel.org, linux-kernel@vger.kernel.org, mhiramat@kernel.org, sukadev@linux.vnet.ibm.com, tumanova@linux.vnet.ibm.com, dsahern@gmail.com, mingo@kernel.org, alexander.shishkin@linux.intel.com, eranian@google.com, acme@redhat.com, kan.liang@intel.com, penberg@kernel.org, peterz@infradead.org, jpoimboe@redhat.com, wangnan0@huawei.com Reply-To: alexander.shishkin@linux.intel.com, eranian@google.com, acme@redhat.com, kan.liang@intel.com, sukadev@linux.vnet.ibm.com, tumanova@linux.vnet.ibm.com, dsahern@gmail.com, mingo@kernel.org, jpoimboe@redhat.com, wangnan0@huawei.com, penberg@kernel.org, peterz@infradead.org, ak@linux.intel.com, jolsa@kernel.org, tglx@linutronix.de, hekuang@huawei.com, hpa@zytor.com, namhyung@kernel.org, adrian.hunter@intel.com, mhiramat@kernel.org, linux-kernel@vger.kernel.org In-Reply-To: <1466578626-92406-3-git-send-email-hekuang@huawei.com> References: <1466578626-92406-3-git-send-email-hekuang@huawei.com> To: linux-tip-commits@vger.kernel.org Subject: [tip:perf/core] perf unwind: Fix wrongly used regs for x86_32 unwind Git-Commit-ID: 5dafea097ac65bd01cc86801c399ae41dce79756 X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: 5dafea097ac65bd01cc86801c399ae41dce79756 Gitweb: http://git.kernel.org/tip/5dafea097ac65bd01cc86801c399ae41dce79756 Author: He Kuang AuthorDate: Wed, 22 Jun 2016 06:57:03 +0000 Committer: Arnaldo Carvalho de Melo CommitDate: Thu, 23 Jun 2016 10:30:21 -0300 perf unwind: Fix wrongly used regs for x86_32 unwind By default, "unwind-libunwind-local.c" gets SP/IP register number according to the host platform, for remote unwind, we should use register number for target platform. Fix this by define LIBUNWIND_ARCH_REG_SP/IP in the wrapper file of x86_32 platform. Signed-off-by: He Kuang Acked-by: Jiri Olsa Cc: Adrian Hunter Cc: Alexander Shishkin Cc: Andi Kleen Cc: David Ahern Cc: Ekaterina Tumanova Cc: Josh Poimboeuf Cc: Kan Liang Cc: Masami Hiramatsu Cc: Namhyung Kim Cc: Pekka Enberg Cc: Peter Zijlstra Cc: Stephane Eranian Cc: Sukadev Bhattiprolu Cc: Wang Nan Link: http://lkml.kernel.org/r/1466578626-92406-3-git-send-email-hekuang@huawei.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/libunwind/x86_32.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/tools/perf/util/libunwind/x86_32.c b/tools/perf/util/libunwind/x86_32.c index d98c17e..957ffff 100644 --- a/tools/perf/util/libunwind/x86_32.c +++ b/tools/perf/util/libunwind/x86_32.c @@ -12,7 +12,13 @@ */ #define REMOTE_UNWIND_LIBUNWIND + +/* Define arch specific functions & regs for libunwind, should be + * defined before including "unwind.h" + */ #define LIBUNWIND__ARCH_REG_ID(regnum) libunwind__x86_reg_id(regnum) +#define LIBUNWIND__ARCH_REG_IP PERF_REG_X86_IP +#define LIBUNWIND__ARCH_REG_SP PERF_REG_X86_SP #include "unwind.h" #include "debug.h"