From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752213AbbBDDBw (ORCPT ); Tue, 3 Feb 2015 22:01:52 -0500 Received: from szxga01-in.huawei.com ([119.145.14.64]:20538 "EHLO szxga01-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751202AbbBDDBt (ORCPT ); Tue, 3 Feb 2015 22:01:49 -0500 From: Wang Long To: , , , CC: , , , Subject: [PATCH] SAMPLES: kprobe_example: Make it print something on ARM. Date: Wed, 4 Feb 2015 02:56:25 +0000 Message-ID: <1423018585-4005-1-git-send-email-long.wanglong@huawei.com> X-Mailer: git-send-email 1.8.3.4 MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.107.197.200] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This KProbes example is a little useless if it doesn't print anything. For ARM print similar messages to those produced on x86 and PPC. Signed-off-by: Wang Long --- samples/kprobes/kprobe_example.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/samples/kprobes/kprobe_example.c b/samples/kprobes/kprobe_example.c index 366db1a..eba9f1a 100644 --- a/samples/kprobes/kprobe_example.c +++ b/samples/kprobes/kprobe_example.c @@ -42,6 +42,11 @@ static int handler_pre(struct kprobe *p, struct pt_regs *regs) " ex1 = 0x%lx\n", p->addr, regs->pc, regs->ex1); #endif +#ifdef CONFIG_ARM + printk(KERN_INFO "pre_handler: p->addr = 0x%p, ARM_pc = 0x%lx," + " ARM_cpsr = 0x%lx\n", + p->addr, regs->ARM_pc, regs->ARM_cpsr); +#endif /* A dump_stack() here will give a stack backtrace */ return 0; @@ -67,6 +72,10 @@ static void handler_post(struct kprobe *p, struct pt_regs *regs, printk(KERN_INFO "post_handler: p->addr = 0x%p, ex1 = 0x%lx\n", p->addr, regs->ex1); #endif +#ifdef CONFIG_ARM + printk(KERN_INFO "post_handler: p->addr = 0x%p, ARM_cpsr = 0x%lx\n", + p->addr, regs->ARM_cpsr); +#endif } /* -- 1.8.3.4