From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755450AbbCBOeN (ORCPT ); Mon, 2 Mar 2015 09:34:13 -0500 Received: from szxga01-in.huawei.com ([119.145.14.64]:42836 "EHLO szxga01-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753934AbbCBOZx (ORCPT ); Mon, 2 Mar 2015 09:25:53 -0500 From: Wang Nan To: , , , , CC: , , , Subject: [RFC PATCH v4 08/34] early kprobes: ARM: add definition for vmlinux.lds use. Date: Mon, 2 Mar 2015 22:24:46 +0800 Message-ID: <1425306312-3437-9-git-send-email-wangnan0@huawei.com> X-Mailer: git-send-email 1.8.4 In-Reply-To: <1425306312-3437-1-git-send-email-wangnan0@huawei.com> References: <1425306312-3437-1-git-send-email-wangnan0@huawei.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.107.197.247] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch defines MAX_OPTINSN_SIZE, MAX_INSN_SIZE and KPROBE_OPCODE_SIZE for ARM for vmlinux.lds.S use. These macros are originally defined in kprobes.h, which are unable to be used in vmlinux.lds. Signed-off-by: Wang Nan --- arch/arm/kernel/vmlinux.lds.S | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/arch/arm/kernel/vmlinux.lds.S b/arch/arm/kernel/vmlinux.lds.S index b31aa73..09fcc20 100644 --- a/arch/arm/kernel/vmlinux.lds.S +++ b/arch/arm/kernel/vmlinux.lds.S @@ -45,6 +45,16 @@ #define ARM_EXIT_DISCARD(x) x #endif +#ifdef CONFIG_EARLY_KPROBES +# ifdef CONFIG_THUMB2_KERNEL +# define MAX_OPTINSN_SIZE 0 +# else +# define MAX_OPTINSN_SIZE (optprobe_template_end - optprobe_template_entry) +# endif +# define MAX_INSN_SIZE 2 +# define KPROBE_OPCODE_SIZE 4 +#endif + OUTPUT_ARCH(arm) ENTRY(stext) -- 1.8.4