From patchwork Mon Aug 1 04:30:34 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xianting Tian X-Patchwork-Id: 12933371 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id D0363C00144 for ; Mon, 1 Aug 2022 04:31:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:List-Subscribe:List-Help: List-Post:List-Archive:List-Unsubscribe:List-Id:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=ksUh54uNKhZxGl+YSUh7M2F+r2cE/9EdXD8NKqni/Lk=; b=d+nfAwgk4+3RS4 VEd01Xel9UqVJsEy4H9IJkWGHsjl7UUfzD40Ds7EY0qc+iZSLfeXHZaVo7lhF/FA6u91vRbIVIgYZ yDfGh/mvd/8mXM56XSUJrQCl6ZCejRaOxcOvse5gQWarwD12CTK5urH0I+qJj9vSw2U02eHop3dqt K4FklK4wn50mbgG/ah4sKe+FtCja3Z1aYdZWPhtw1XqewsTsrvsAl0TN5qk1fjlP+y7f/UJ6uZmDj Zg2bCeuMDx+yEM9C7cX6g2jvRmxb1wblZbYe6V+wlS5xfVBdoVfqylbUgstCdZ9Ty0kBtFdxMr4B4 ukX7x0VIt97SW9/yZI+g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oIN5A-001j40-5E; Mon, 01 Aug 2022 04:31:08 +0000 Received: from out30-54.freemail.mail.aliyun.com ([115.124.30.54]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1oIN4x-001isk-3M; Mon, 01 Aug 2022 04:30:57 +0000 X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R201e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=ay29a033018045170;MF=xianting.tian@linux.alibaba.com;NM=1;PH=DS;RN=11;SR=0;TI=SMTPD_---0VL.kDbB_1659328246; Received: from localhost(mailfrom:xianting.tian@linux.alibaba.com fp:SMTPD_---0VL.kDbB_1659328246) by smtp.aliyun-inc.com; Mon, 01 Aug 2022 12:30:47 +0800 From: Xianting Tian To: crash-utility@redhat.com, mick@ics.forth.gr, heinrich.schuchardt@canonical.com, guoren@kernel.org, k-hagio-ab@nec.com, yixun.lan@gmail.com Cc: linux-riscv@lists.infradead.org, kexec@lists.infradead.org, hschauhan@nulltrace.org, huanyi.xj@alibaba-inc.com, Xianting Tian Subject: [Crash-utility][PATCH V2 3/9] RISCV64: Add 'dis' command support Date: Mon, 1 Aug 2022 12:30:34 +0800 Message-Id: <20220801043040.2003264-4-xianting.tian@linux.alibaba.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220801043040.2003264-1-xianting.tian@linux.alibaba.com> References: <20220801043040.2003264-1-xianting.tian@linux.alibaba.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220731_213055_329300_EDF422E8 X-CRM114-Status: UNSURE ( 5.17 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org Use generic_dis_filter() function to support dis command implementation. With this patch, we can get the disassembled code, crash> dis __crash_kexec 0xffffffff80088580 <__crash_kexec>: addi sp,sp,-352 0xffffffff80088582 <__crash_kexec+2>: sd s0,336(sp) 0xffffffff80088584 <__crash_kexec+4>: sd s1,328(sp) 0xffffffff80088586 <__crash_kexec+6>: sd s2,320(sp) 0xffffffff80088588 <__crash_kexec+8>: addi s0,sp,352 0xffffffff8008858a <__crash_kexec+10>: sd ra,344(sp) 0xffffffff8008858c <__crash_kexec+12>: sd s3,312(sp) 0xffffffff8008858e <__crash_kexec+14>: sd s4,304(sp) 0xffffffff80088590 <__crash_kexec+16>: auipc s2,0x1057 0xffffffff80088594 <__crash_kexec+20>: addi s2,s2,-1256 0xffffffff80088598 <__crash_kexec+24>: ld a5,0(s2) 0xffffffff8008859c <__crash_kexec+28>: mv s1,a0 0xffffffff8008859e <__crash_kexec+30>: auipc a0,0xfff Signed-off-by: Xianting Tian --- riscv64.c | 1 + 1 file changed, 1 insertion(+) diff --git a/riscv64.c b/riscv64.c index 188a3a8..4c321bb 100644 --- a/riscv64.c +++ b/riscv64.c @@ -993,6 +993,7 @@ riscv64_init(int when) machdep->is_task_addr = riscv64_is_task_addr; machdep->get_smp_cpus = riscv64_get_smp_cpus; machdep->value_to_symbol = generic_machdep_value_to_symbol; + machdep->dis_filter = generic_dis_filter; machdep->show_interrupts = generic_show_interrupts; machdep->get_irq_affinity = generic_get_irq_affinity; machdep->init_kernel_pgd = NULL; /* pgd set by symbol_value("swapper_pg_dir") */