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Commit 8a149237 authored by David Daney's avatar David Daney Committed by Ralf Baechle
Browse files

SAMPLES: kprobe_example: Make it print something on MIPS. 



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: default avatarDavid Daney <ddaney@caviumnetworks.com>
To: linux-mips@linux-mips.org
To: ananth@in.ibm.com
To: anil.s.keshavamurthy@intel.com
To: davem@davemloft.net
To: masami.hiramatsu.pt@hitachi.com
Cc: linux-kernel@vger.kernel.org
Cc: hschauhan@nulltrace.org
Patchwork: https://patchwork.linux-mips.org/patch/1528/


Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent c1bf207d

samples/kprobes/kprobe_example.c

+9 −0
Original line number Diff line number Diff line
@@ -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

}



/*