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SAMPLES: kprobe_example: Make it print something on MIPS.

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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>
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: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
David Daney 2010-08-03 11:22:21 -07:00 committed by Ralf Baechle
parent c1bf207d6e
commit 8a1492370b
1 changed files with 9 additions and 0 deletions
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9
samples/kprobes/kprobe_example.c
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@ -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
}
/*