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[76.242.91.105]) by smtp.gmail.com with ESMTPSA id b12sm6613960pgs.52.2021.05.29.01.16.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 29 May 2021 01:16:53 -0700 (PDT) From: houdek.ryan@fex-emu.org X-Google-Original-From: Houdek.Ryan@fex-emu.org Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Ryan Houdek Subject: [PATCH 2/4] arm64: Track the sigreturn landing pad location Date: Sat, 29 May 2021 01:16:18 -0700 Message-Id: <20210529081620.164422-3-Houdek.Ryan@fex-emu.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210529081620.164422-1-Houdek.Ryan@fex-emu.org> References: <20210529081620.164422-1-Houdek.Ryan@fex-emu.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit To: unlisted-recipients:; (no To-header on input) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Ryan Houdek This will be required once userspace dispatch is implemented Signed-off-by: Ryan Houdek --- arch/arm64/kernel/vdso/sigreturn.S | 1 + arch/arm64/kernel/vdso/vdso.lds.S | 1 + 2 files changed, 2 insertions(+) diff --git a/arch/arm64/kernel/vdso/sigreturn.S b/arch/arm64/kernel/vdso/sigreturn.S index 0e18729abc3b..44ed8c5486d0 100644 --- a/arch/arm64/kernel/vdso/sigreturn.S +++ b/arch/arm64/kernel/vdso/sigreturn.S @@ -73,6 +73,7 @@ SYM_CODE_START(__kernel_rt_sigreturn) mov x8, #__NR_rt_sigreturn // PLEASE DO NOT MODIFY svc #0 +SYM_INNER_LABEL(__kernel_vdso_sigreturn_landing_pad, SYM_L_GLOBAL) // PLEASE DO NOT MODIFY // .cfi_endproc SYM_CODE_END(__kernel_rt_sigreturn) diff --git a/arch/arm64/kernel/vdso/vdso.lds.S b/arch/arm64/kernel/vdso/vdso.lds.S index a5e61e09ea92..65d2bd880e2f 100644 --- a/arch/arm64/kernel/vdso/vdso.lds.S +++ b/arch/arm64/kernel/vdso/vdso.lds.S @@ -91,3 +91,4 @@ VERSION * Make the sigreturn code visible to the kernel. */ VDSO_sigtramp = __kernel_rt_sigreturn; +VDSO_vdso_sigreturn_landing_pad = __kernel_vdso_sigreturn_landing_pad; -- 2.30.2 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=-14.3 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, UNWANTED_LANGUAGE_BODY,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 315DFC4708E for ; Sat, 29 May 2021 08:19:36 +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 E905A61157 for ; Sat, 29 May 2021 08:19:35 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E905A61157 Authentication-Results: mail.kernel.org; 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[76.242.91.105]) by smtp.gmail.com with ESMTPSA id b12sm6613960pgs.52.2021.05.29.01.16.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 29 May 2021 01:16:53 -0700 (PDT) From: houdek.ryan@fex-emu.org X-Google-Original-From: Houdek.Ryan@fex-emu.org To: Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Ryan Houdek Subject: [PATCH 2/4] arm64: Track the sigreturn landing pad location Date: Sat, 29 May 2021 01:16:18 -0700 Message-Id: <20210529081620.164422-3-Houdek.Ryan@fex-emu.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210529081620.164422-1-Houdek.Ryan@fex-emu.org> References: <20210529081620.164422-1-Houdek.Ryan@fex-emu.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210529_011654_677466_2989ED98 X-CRM114-Status: GOOD ( 11.32 ) 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 From: Ryan Houdek This will be required once userspace dispatch is implemented Signed-off-by: Ryan Houdek --- arch/arm64/kernel/vdso/sigreturn.S | 1 + arch/arm64/kernel/vdso/vdso.lds.S | 1 + 2 files changed, 2 insertions(+) diff --git a/arch/arm64/kernel/vdso/sigreturn.S b/arch/arm64/kernel/vdso/sigreturn.S index 0e18729abc3b..44ed8c5486d0 100644 --- a/arch/arm64/kernel/vdso/sigreturn.S +++ b/arch/arm64/kernel/vdso/sigreturn.S @@ -73,6 +73,7 @@ SYM_CODE_START(__kernel_rt_sigreturn) mov x8, #__NR_rt_sigreturn // PLEASE DO NOT MODIFY svc #0 +SYM_INNER_LABEL(__kernel_vdso_sigreturn_landing_pad, SYM_L_GLOBAL) // PLEASE DO NOT MODIFY // .cfi_endproc SYM_CODE_END(__kernel_rt_sigreturn) diff --git a/arch/arm64/kernel/vdso/vdso.lds.S b/arch/arm64/kernel/vdso/vdso.lds.S index a5e61e09ea92..65d2bd880e2f 100644 --- a/arch/arm64/kernel/vdso/vdso.lds.S +++ b/arch/arm64/kernel/vdso/vdso.lds.S @@ -91,3 +91,4 @@ VERSION * Make the sigreturn code visible to the kernel. */ VDSO_sigtramp = __kernel_rt_sigreturn; +VDSO_vdso_sigreturn_landing_pad = __kernel_vdso_sigreturn_landing_pad; -- 2.30.2 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel