Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754855AbbBOIeL (ORCPT ); Sun, 15 Feb 2015 03:34:11 -0500 Received: from szxga01-in.huawei.com ([119.145.14.64]:39986 "EHLO szxga01-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751957AbbBOIeJ (ORCPT ); Sun, 15 Feb 2015 03:34:09 -0500 From: Wang Nan To: CC: , , , , Subject: [RFC PATCH 1/3] early kprobes: ARM: add definition for vmlinux.lds use. Date: Sun, 15 Feb 2015 16:27:05 +0800 Message-ID: <1423988825-7211-1-git-send-email-wangnan0@huawei.com> X-Mailer: git-send-email 1.8.4 In-Reply-To: <1423988798-7104-1-git-send-email-wangnan0@huawei.com> References: <1423988798-7104-1-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 Content-Length: 1143 Lines: 39 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..38ba4fd 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 +# error "Thumb2 kernel does not support early kprobes now" +# else +# define MAX_OPTINSN_SIZE (optprobe_template_end - optprobe_template_entry) +# define MAX_INSN_SIZE 2 +# define KPROBE_OPCODE_SIZE 4 +# endif +#endif + OUTPUT_ARCH(arm) ENTRY(stext) -- 1.8.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/