Kprobes: print details of kretprobe on assertion failure

[powerpc.git] / include / linux / kprobes.h

diff --git a/include/linux/kprobes.h b/include/linux/kprobes.h
index f264607..850ee87 100644 (file)
--- a/include/linux/kprobes.h
+++ b/include/linux/kprobes.h
@@ -157,6 +157,16 @@ struct kretprobe_instance {
        struct task_struct *task;
 };
 
+static inline void kretprobe_assert(struct kretprobe_instance *ri,
+       unsigned long orig_ret_address, unsigned long trampoline_address)
+{
+       if (!orig_ret_address || (orig_ret_address == trampoline_address)) {
+               printk("kretprobe BUG!: Processing kretprobe %p @ %p\n",
+                               ri->rp, ri->rp->kp.addr);
+               BUG();
+       }
+}
+
 extern spinlock_t kretprobe_lock;
 extern struct mutex kprobe_mutex;
 extern int arch_prepare_kprobe(struct kprobe *p);