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[PATCH 4/5] samples: kprobe_example: Make it print something on MIPS.

To: linux-mips@linux-mips.org, ralf@linux-mips.org, ananth@in.ibm.com, anil.s.keshavamurthy@intel.com, davem@davemloft.net, masami.hiramatsu.pt@hitachi.com
Subject: [PATCH 4/5] samples: kprobe_example: Make it print something on MIPS.
From: David Daney <ddaney@caviumnetworks.com>
Date: Tue, 3 Aug 2010 11:22:21 -0700
Cc: linux-kernel@vger.kernel.org, hschauhan@nulltrace.org, David Daney <ddaney@caviumnetworks.com>
In-reply-to: <1280859742-26364-1-git-send-email-ddaney@caviumnetworks.com>
Original-recipient: rfc822;linux-mips@linux-mips.org
References: <1280859742-26364-1-git-send-email-ddaney@caviumnetworks.com>
Sender: linux-mips-bounce@linux-mips.org
This KProbes example is a little useless if it doesn't print anything.
For MIPS print similar messages to those produced on x86 and PPC.

Signed-off-by: David Daney <ddaney@caviumnetworks.com>
---
 samples/kprobes/kprobe_example.c |    9 +++++++++
 1 files changed, 9 insertions(+), 0 deletions(-)

diff --git a/samples/kprobes/kprobe_example.c b/samples/kprobes/kprobe_example.c
index a681998..ebf5e0c 100644
--- a/samples/kprobes/kprobe_example.c
+++ b/samples/kprobes/kprobe_example.c
@@ -32,6 +32,11 @@ static int handler_pre(struct kprobe *p, struct pt_regs 
*regs)
                        " msr = 0x%lx\n",
                p->addr, regs->nip, regs->msr);
 #endif
+#ifdef CONFIG_MIPS
+       printk(KERN_INFO "pre_handler: p->addr = 0x%p, epc = 0x%lx,"
+                       " status = 0x%lx\n",
+               p->addr, regs->cp0_epc, regs->cp0_status);
+#endif
 
        /* A dump_stack() here will give a stack backtrace */
        return 0;
@@ -49,6 +54,10 @@ static void handler_post(struct kprobe *p, struct pt_regs 
*regs,
        printk(KERN_INFO "post_handler: p->addr = 0x%p, msr = 0x%lx\n",
                p->addr, regs->msr);
 #endif
+#ifdef CONFIG_MIPS
+       printk(KERN_INFO "post_handler: p->addr = 0x%p, status = 0x%lx\n",
+               p->addr, regs->cp0_status);
+#endif
 }
 
 /*
-- 
1.7.1.1


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