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

David Daney
2010-08-03T18:23:34Z

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