#define KPROBE_HIT_SSDONE 0x00000008
/* Attach to insert probes on any functions which should be ignored*/
-#define __kprobes __attribute__((__section__(".kprobes.text"))) notrace
+#define __kprobes __attribute__((__section__(".kprobes.text")))
#else /* CONFIG_KPROBES */
typedef int kprobe_opcode_t;
struct arch_specific_insn {
int dummy;
};
-#define __kprobes notrace
+#define __kprobes
#endif /* CONFIG_KPROBES */
struct kprobe;
/* copy of the original instruction */
struct arch_specific_insn ainsn;
- /* Indicates various status flags. Protected by kprobe_mutex. */
+ /*
+ * Indicates various status flags.
+ * Protected by kprobe_mutex after this kprobe is registered.
+ */
u32 flags;
};
/* Kprobe status flags */
#define KPROBE_FLAG_GONE 1 /* breakpoint has already gone */
+#define KPROBE_FLAG_DISABLED 2 /* probe is temporarily disabled */
+/* Has this kprobe gone ? */
static inline int kprobe_gone(struct kprobe *p)
{
return p->flags & KPROBE_FLAG_GONE;
}
+/* Is this kprobe disabled ? */
+static inline int kprobe_disabled(struct kprobe *p)
+{
+ return p->flags & (KPROBE_FLAG_DISABLED | KPROBE_FLAG_GONE);
+}
/*
* Special probe type that uses setjmp-longjmp type tricks to resume
* execution at a specified entry with a matching prototype corresponding
void kprobe_flush_task(struct task_struct *tk);
void recycle_rp_inst(struct kretprobe_instance *ri, struct hlist_head *head);
+int disable_kprobe(struct kprobe *kp);
+int enable_kprobe(struct kprobe *kp);
+
+void dump_kprobe(struct kprobe *kp);
+
#else /* !CONFIG_KPROBES: */
static inline int kprobes_built_in(void)
static inline void kprobe_flush_task(struct task_struct *tk)
{
}
+static inline int disable_kprobe(struct kprobe *kp)
+{
+ return -ENOSYS;
+}
+static inline int enable_kprobe(struct kprobe *kp)
+{
+ return -ENOSYS;
+}
#endif /* CONFIG_KPROBES */
+static inline int disable_kretprobe(struct kretprobe *rp)
+{
+ return disable_kprobe(&rp->kp);
+}
+static inline int enable_kretprobe(struct kretprobe *rp)
+{
+ return enable_kprobe(&rp->kp);
+}
+static inline int disable_jprobe(struct jprobe *jp)
+{
+ return disable_kprobe(&jp->kp);
+}
+static inline int enable_jprobe(struct jprobe *jp)
+{
+ return enable_kprobe(&jp->kp);
+}
+
#endif /* _LINUX_KPROBES_H */