From patchwork Thu Dec 8 13:41:08 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tiezhu Yang X-Patchwork-Id: 31348 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:adf:f944:0:0:0:0:0 with SMTP id q4csp205999wrr; Thu, 8 Dec 2022 05:53:42 -0800 (PST) X-Google-Smtp-Source: AA0mqf7cVI23sdSusHMw+w/iPCoPyUrwgj8PbpnktYk8vjNrdS3AuM1K0Og8yHYyVRnITYFp5nq0 X-Received: by 2002:a17:90b:3c4e:b0:219:e628:acf0 with SMTP id pm14-20020a17090b3c4e00b00219e628acf0mr15402511pjb.149.1670507621942; Thu, 08 Dec 2022 05:53:41 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1670507621; cv=none; d=google.com; s=arc-20160816; b=E9daZFVgQibt1uk8GzUnOSpdjI7De+ELaWAipAG4ErLOWZjDoVqVBFsFTrcSCPoeMH Ac5n9S3IBo/yvMXgD/rRht/N3Pv9bMld574OeCOldW0UJhVQkdU2D9tIbwy7FzjAd4ge DAa6RAzRzcPA5q6zNVSVQxX/Rs0KI+t7xWBL3iHHNFbeb9nsrhFVmbM4W/fXXApHOUeP 5YVTgtrOYOsPaGrRIEBoDP2fn4gr2/9al3qDlmTN+eVvWNWMcxnoN9Al9Bli4UIoSr6X l12nh0961Ttw3eDCHAcY/cE/x4mlC+KwlTFX+Ut79mzdxxUgwFMFSMxX817O2vJRaRoP EF5g== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:references:in-reply-to:message-id:date:subject :cc:to:from; bh=EVPchg/wTR4MT36MGjPfqIOAHKDOrrbi0SlWv6/H66g=; b=RJAbKZcGlVyl7e8zWg4NWM0qOUJcpYg8aOnJIBO8V0PJM62RDlFRE25fnK94WIkRSk sIGALyHhEKB+YAEU+gWzUemqvE3rNGxSAgeHoRwxapkaFSh4P/L3/xfGMQ4unef6TrJ/ nKmRHMEMUpth0sW350fpOI0xGrqDe6tBPio+BZW/Ar2RxgmVGHc7rgg9JaDjEm3cAgD2 k1K/BwEiD+NXR/XFKeDiz+LAEzLpkGI9k0Yi5gsrUACfWVRfswTEts/qNFoJU4PYjO3V NnWweNiBquMrnWhw0SAffFSWIwcPkPB3dFE6e8yy88PfE07qtVWuDkLWakN9U63cZBw7 tTlg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id p4-20020a625b04000000b005615ef4cfccsi21001146pfb.185.2022.12.08.05.53.28; Thu, 08 Dec 2022 05:53:41 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229894AbiLHNla (ORCPT + 99 others); Thu, 8 Dec 2022 08:41:30 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52054 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229849AbiLHNlP (ORCPT ); Thu, 8 Dec 2022 08:41:15 -0500 Received: from loongson.cn (mail.loongson.cn [114.242.206.163]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 1848463BB5 for ; Thu, 8 Dec 2022 05:41:13 -0800 (PST) Received: from loongson.cn (unknown [113.200.148.30]) by gateway (Coremail) with SMTP id _____8Axy+p56ZFjJR8EAA--.9578S3; Thu, 08 Dec 2022 21:41:13 +0800 (CST) Received: from linux.localdomain (unknown [113.200.148.30]) by localhost.localdomain (Coremail) with SMTP id AQAAf8BxTuB06ZFj8BwoAA--.33104S6; Thu, 08 Dec 2022 21:41:12 +0800 (CST) From: Tiezhu Yang To: Huacai Chen , WANG Xuerui , Masami Hiramatsu Cc: loongarch@lists.linux.dev, linux-kernel@vger.kernel.org Subject: [PATCH v9 4/4] samples/kprobes: Add LoongArch support Date: Thu, 8 Dec 2022 21:41:08 +0800 Message-Id: <1670506868-15771-5-git-send-email-yangtiezhu@loongson.cn> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1670506868-15771-1-git-send-email-yangtiezhu@loongson.cn> References: <1670506868-15771-1-git-send-email-yangtiezhu@loongson.cn> X-CM-TRANSID: AQAAf8BxTuB06ZFj8BwoAA--.33104S6 X-CM-SenderInfo: p1dqw3xlh2x3gn0dqz5rrqw2lrqou0/ X-Coremail-Antispam: 1Uk129KBjvJXoWrZw4rWrW5CF1fJw1xZFWDJwb_yoW8JF1fpF n0y3W5t3yFyw13WFW3Jayvgry0yryjkay8u3ykC34Yya429ry5AF1rKayjyw4kur90qF43 tr1FvryUGF1xZrJanT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUj1kv1TuYvTs0mT0YCTnIWj qI5I8CrVACY4xI64kE6c02F40Ex7xfYxn0WfASr-VFAUDa7-sFnT9fnUUIcSsGvfJTRUUU b7kYFVCjjxCrM7AC8VAFwI0_Jr0_Gr1l1xkIjI8I6I8E6xAIw20EY4v20xvaj40_Wr0E3s 1l1IIY67AEw4v_Jrv_JF1l8cAvFVAK0II2c7xJM28CjxkF64kEwVA0rcxSw2x7M28EF7xv wVC0I7IYx2IY67AKxVW5JVW7JwA2z4x0Y4vE2Ix0cI8IcVCY1x0267AKxVW8JVWxJwA2z4 x0Y4vEx4A2jsIE14v26F4UJVW0owA2z4x0Y4vEx4A2jsIEc7CjxVAFwI0_Cr1j6rxdM2AI xVAIcxkEcVAq07x20xvEncxIr21l57IF6xkI12xvs2x26I8E6xACxx1l5I8CrVACY4xI64 kE6c02F40Ex7xfMcIj6xIIjxv20xvE14v26r1q6rW5McIj6I8E87Iv67AKxVW8JVWxJwAm 72CE4IkC6x0Yz7v_Jr0_Gr1lF7xvr2IYc2Ij64vIr41l42xK82IYc2Ij64vIr41l4I8I3I 0E4IkC6x0Yz7v_Jr0_Gr1lx2IqxVAqx4xG67AKxVWUJVWUGwC20s026x8GjcxK67AKxVWU GVWUWwC2zVAF1VAY17CE14v26r126r1DMIIYrxkI7VAKI48JMIIF0xvE2Ix0cI8IcVAFwI 0_Gr0_Xr1lIxAIcVC0I7IYx2IY6xkF7I0E14v26r4j6F4UMIIF0xvE42xK8VAvwI8IcIk0 rVWUJVWUCwCI42IY6I8E87Iv67AKxVW8JVWxJwCI42IY6I8E87Iv6xkF7I0E14v26r4j6r 4UJbIYCTnIWIevJa73UjIFyTuYvjxUcCD7UUUUU X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,SPF_HELO_PASS, SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1751654200161097974?= X-GMAIL-MSGID: =?utf-8?q?1751654200161097974?= Add LoongArch specific info in handler_pre() and handler_post(). Signed-off-by: Tiezhu Yang --- samples/kprobes/kprobe_example.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/samples/kprobes/kprobe_example.c b/samples/kprobes/kprobe_example.c index fd346f5..ef44c61 100644 --- a/samples/kprobes/kprobe_example.c +++ b/samples/kprobes/kprobe_example.c @@ -55,6 +55,10 @@ static int __kprobes handler_pre(struct kprobe *p, struct pt_regs *regs) pr_info("<%s> p->addr, 0x%p, ip = 0x%lx, flags = 0x%lx\n", p->symbol_name, p->addr, regs->psw.addr, regs->flags); #endif +#ifdef CONFIG_LOONGARCH + pr_info("<%s> p->addr = 0x%p, era = 0x%lx, estat = 0x%lx\n", + p->symbol_name, p->addr, regs->csr_era, regs->csr_estat); +#endif /* A dump_stack() here will give a stack backtrace */ return 0; @@ -92,6 +96,10 @@ static void __kprobes handler_post(struct kprobe *p, struct pt_regs *regs, pr_info("<%s> p->addr, 0x%p, flags = 0x%lx\n", p->symbol_name, p->addr, regs->flags); #endif +#ifdef CONFIG_LOONGARCH + pr_info("<%s> p->addr = 0x%p, estat = 0x%lx\n", + p->symbol_name, p->addr, regs->csr_estat); +#endif } static int __init kprobe_init(void)