From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-18.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9BF85C433F5 for ; Tue, 21 Sep 2021 09:57:44 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 578DF61100 for ; Tue, 21 Sep 2021 09:57:44 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 578DF61100 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org 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:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version: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=MLbZSdzLp5yNaimBdWoBIZ4H1SKl4ElA1b48LFdQ7GM=; b=MH+f8Hj5w8ES2j OKx25kA6Iej+RBt3NhBM8xnuoodsf7ssSqj24XFrULngyXueeFVoTY8AOqX+c0mj/iqyFX9UKfUlA u7gqr5sRwKwbTHfkaqUO5uX1VjXeRq9sXzfGA12QhjeTiCfs2C/clO72jnsQFpp+GuLgSzFgYTAw9 k9/rPHUUqVtYfuJsvCR+hbm2X+N7d0UHUQaiVMRuG0v9FXUjqzNwxjIpr/6w3ukh4qWflHvmskRSy JVW37wXfSlw4x05IrsCsceVqrFbtYMBzXgdo1u4oXpgQNoQyrmdjxY0wezkQUBlkoSWyiAb6/2raC wnDMV4r9vg+S+CWMG7pg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mScUu-0045PF-65; Tue, 21 Sep 2021 09:55:32 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mScTt-00453j-1X for linux-arm-kernel@lists.infradead.org; Tue, 21 Sep 2021 09:54:30 +0000 Received: by mail.kernel.org (Postfix) with ESMTPSA id 05B4261100; Tue, 21 Sep 2021 09:54:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1632218068; bh=BemhXQoVbRIBGs6KgT4EcGziRbB3zrLYdDS7i7exVks=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=B0vMrb/CRUqfh4HFgMJUIaBzQAuCzxSPldeUc4jxavQOQn2bPq34WXgjn6RBr9jJ+ DKcgbzZJ+Lzd0xInNgG3Oc1HWpDB8yF2EpNJ8Cpq5uJKr+eBD09bNdQnXGRr8vP/1M 62XPg7wTWoh9wjMvkBvCAUqkTS9WWMctBj7xc9M5Aeh3YIffq9IMzqPUabCXXP1uFf kAvshdPWv3ykMJ1MXh+74xOmF6l3is5QLSo9Iqt1kcB5H5Ct/DdnvlKpyIn5mYXT55 jUEGlNDeisYdLauXP24nZOQGcQ2Xi1mVPLzOObW9A+3z7j1Z25yVAih2kWUChMovG0 IHzUXd/HaYuig== From: Ard Biesheuvel To: linux@armlinux.org.uk Cc: linux-arm-kernel@lists.infradead.org, Ard Biesheuvel , Arnd Bergmann , Kees Cook , Keith Packard , Linus Walleij Subject: [PATCH 06/10] ARM: export dump_mem() to other objects Date: Tue, 21 Sep 2021 11:54:04 +0200 Message-Id: <20210921095408.133210-7-ardb@kernel.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210921095408.133210-1-ardb@kernel.org> References: <20210921095408.133210-1-ardb@kernel.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210921_025429_153438_BAAAA9B0 X-CRM114-Status: GOOD ( 12.61 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The unwind info based stack unwinder will make its own call to dump_mem() to dump the exception stack, so give it external linkage. Signed-off-by: Ard Biesheuvel --- arch/arm/include/asm/stacktrace.h | 2 ++ arch/arm/kernel/traps.c | 7 +++---- 2 files changed, 5 insertions(+), 4 deletions(-) diff --git a/arch/arm/include/asm/stacktrace.h b/arch/arm/include/asm/stacktrace.h index 2d76a2e29f05..e86f55155500 100644 --- a/arch/arm/include/asm/stacktrace.h +++ b/arch/arm/include/asm/stacktrace.h @@ -27,5 +27,7 @@ void arm_get_current_stackframe(struct pt_regs *regs, struct stackframe *frame) extern int unwind_frame(struct stackframe *frame); extern void walk_stackframe(struct stackframe *frame, int (*fn)(struct stackframe *, void *), void *data); +extern void dump_mem(const char *lvl, const char *str, unsigned long bottom, + unsigned long top); #endif /* __ASM_STACKTRACE_H */ diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c index 195dff58bafc..e4698605bb72 100644 --- a/arch/arm/kernel/traps.c +++ b/arch/arm/kernel/traps.c @@ -35,6 +35,7 @@ #include #include #include +#include #include #include @@ -60,8 +61,6 @@ static int __init user_debug_setup(char *str) __setup("user_debug=", user_debug_setup); #endif -static void dump_mem(const char *, const char *, unsigned long, unsigned long); - void dump_backtrace_entry(unsigned long where, unsigned long from, unsigned long frame, const char *loglvl) { @@ -118,8 +117,8 @@ static int verify_stack(unsigned long sp) /* * Dump out the contents of some memory nicely... */ -static void dump_mem(const char *lvl, const char *str, unsigned long bottom, - unsigned long top) +void dump_mem(const char *lvl, const char *str, unsigned long bottom, + unsigned long top) { unsigned long first; int i; -- 2.30.2 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel