From patchwork Sat Aug 13 03:17:53 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xianting Tian X-Patchwork-Id: 12942668 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 B7FF6C00140 for ; Sat, 13 Aug 2022 03:18:49 +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=xdn+fYEB1+5ueHL1MBRRb0B86s6h0QTUYFhfhzG6bIo=; b=pcFdnt0yqC67ak NgP+XkOMXv6GPhXPFmRT+Qm+4vJm/92t99up/Cs3BDRsQF0mmShgW5aX1N8f5RmODhMm5bSCJKPqX xNuMtKjdS+wleny6sXAqscKZTMtGzxkWaqfGHYGL4I+5hiM8K4qQ6rlXSMgFSaArKNxx4iaV2LmA6 +uPeHizxeseN/2eE4KO+JSWsK+1PEj5Effd/cBDvwaaNgdgMAqbD78d0J5IQbeqCy9sdokLESC9/L EORSYDPpkSqEKigdnYgMcrsOYSF2Y7RLS2Fu6g1STiJF0ejScItxTlCAb0x1vtFepQpyhH3urb1LR xI/9CVSucNlPCkxhQD+w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oMhfb-003wlS-3X; Sat, 13 Aug 2022 03:18:39 +0000 Received: from out30-43.freemail.mail.aliyun.com ([115.124.30.43]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1oMhf7-003w6e-AV; Sat, 13 Aug 2022 03:18:11 +0000 X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R251e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=ay29a033018046051;MF=xianting.tian@linux.alibaba.com;NM=1;PH=DS;RN=13;SR=0;TI=SMTPD_---0VM4jZl8_1660360684; Received: from localhost(mailfrom:xianting.tian@linux.alibaba.com fp:SMTPD_---0VM4jZl8_1660360684) by smtp.aliyun-inc.com; Sat, 13 Aug 2022 11:18:05 +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, lijiang@redhat.com Cc: linux-riscv@lists.infradead.org, kexec@lists.infradead.org, hschauhan@nulltrace.org, huanyi.xj@alibaba-inc.com, lifang_xia@linux.alibaba.com, Xianting Tian Subject: [Crash-utility][PATCH V3 9/9] RISCV64: Add the implementation of symbol verify Date: Sat, 13 Aug 2022 11:17:53 +0800 Message-Id: <20220813031753.3097720-10-xianting.tian@linux.alibaba.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220813031753.3097720-1-xianting.tian@linux.alibaba.com> References: <20220813031753.3097720-1-xianting.tian@linux.alibaba.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220812_201809_613025_066D32CA X-CRM114-Status: UNSURE ( 7.22 ) 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 Verify the symbol to accept or reject a symbol from the kernel namelist. Signed-off-by: Xianting Tian --- riscv64.c | 15 ++++++++++++++- 1 file changed, 14 insertions(+), 1 deletion(-) diff --git a/riscv64.c b/riscv64.c index 0e5c9c6..cbb57f2 100644 --- a/riscv64.c +++ b/riscv64.c @@ -165,10 +165,23 @@ riscv64_cmd_mach(void) riscv64_display_machine_stats(); } +/* + * Accept or reject a symbol from the kernel namelist. + */ static int riscv64_verify_symbol(const char *name, ulong value, char type) { - /* TODO: */ + if (CRASHDEBUG(8) && name && strlen(name)) + fprintf(fp, "%08lx %s\n", value, name); + + if (!(machdep->flags & KSYMS_START)) { + if (STREQ(name, "_text") || STREQ(name, "_stext")) + machdep->flags |= KSYMS_START; + + return (name && strlen(name) && !STRNEQ(name, "__func__.") && + !STRNEQ(name, "__crc_")); + } + return TRUE; }