From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1424543AbcFHKQt (ORCPT ); Wed, 8 Jun 2016 06:16:49 -0400 Received: from szxga04-in.huawei.com ([119.145.14.52]:44565 "EHLO szxga04-in.huawei.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1161918AbcFHKQT (ORCPT ); Wed, 8 Jun 2016 06:16:19 -0400 From: He Kuang To: , , , , , , , , , , , , , , , , , CC: Subject: [PATCH 3/3] perf unwind: Fix wrongly used regs for aarch64 unwind Date: Wed, 8 Jun 2016 10:15:38 +0000 Message-ID: <1465380938-64371-4-git-send-email-hekuang@huawei.com> X-Mailer: git-send-email 1.8.3.4 In-Reply-To: <1465380938-64371-1-git-send-email-hekuang@huawei.com> References: <1465380938-64371-1-git-send-email-hekuang@huawei.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.107.193.250] X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A020201.5757F066.000A,ss=1,re=0.000,recu=0.000,reip=0.000,cl=1,cld=1,fgs=0, ip=0.0.0.0, so=2014-11-16 11:51:01, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: 00b9aaed1954037f0bd855d8c36b888a Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 aarch64 platform. Signed-off-by: He Kuang --- tools/perf/util/libunwind/arm64.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/tools/perf/util/libunwind/arm64.c b/tools/perf/util/libunwind/arm64.c index 4fb5395..6559bc5 100644 --- a/tools/perf/util/libunwind/arm64.c +++ b/tools/perf/util/libunwind/arm64.c @@ -13,7 +13,12 @@ #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__arm64_reg_id(regnum) +#define LIBUNWIND__ARCH_REG_IP PERF_REG_ARM64_PC +#define LIBUNWIND__ARCH_REG_SP PERF_REG_ARM64_SP #include "unwind.h" #include "debug.h" -- 1.8.5.2