DECLARE_PER_CPU(struct kprobe *, current_kprobe);
DECLARE_PER_CPU(struct kprobe_ctlblk, kprobe_ctlblk);
-#ifdef ARCH_SUPPORTS_KRETPROBES
+#ifdef CONFIG_KRETPROBES
extern void arch_prepare_kretprobe(struct kretprobe_instance *ri,
struct pt_regs *regs);
extern int arch_trampoline_kprobe(struct kprobe *p);
-#else /* ARCH_SUPPORTS_KRETPROBES */
+#else /* CONFIG_KRETPROBES */
static inline void arch_prepare_kretprobe(struct kretprobe *rp,
struct pt_regs *regs)
{
{
return 0;
}
-#endif /* ARCH_SUPPORTS_KRETPROBES */
+#endif /* CONFIG_KRETPROBES */
/*
* Function-return probe -
* Note:
struct kretprobe {
struct kprobe kp;
kretprobe_handler_t handler;
+ kretprobe_handler_t entry_handler;
int maxactive;
int nmissed;
+ size_t data_size;
struct hlist_head free_instances;
struct hlist_head used_instances;
};
struct kretprobe *rp;
kprobe_opcode_t *ret_addr;
struct task_struct *task;
+ char data[0];
};
struct kretprobe_blackpoint {