/* Attach to insert probes on any functions which should be ignored*/
#define __kprobes __attribute__((__section__(".kprobes.text"))) notrace
+#else /* CONFIG_KPROBES */
+typedef int kprobe_opcode_t;
+struct arch_specific_insn {
+ int dummy;
+};
+#define __kprobes notrace
+#endif /* CONFIG_KPROBES */
struct kprobe;
struct pt_regs;
/* list of kprobes for multi-handler support */
struct list_head list;
- /* Indicates that the corresponding module has been ref counted */
- unsigned int mod_refcounted;
-
/*count the number of times this probe was temporarily disarmed */
unsigned long nmissed;
/* copy of the original instruction */
struct arch_specific_insn ainsn;
+
+ /* Indicates various status flags. Protected by kprobe_mutex. */
+ u32 flags;
};
+/* Kprobe status flags */
+#define KPROBE_FLAG_GONE 1 /* breakpoint has already gone */
+
+static inline int kprobe_gone(struct kprobe *p)
+{
+ return p->flags & KPROBE_FLAG_GONE;
+}
+
/*
* Special probe type that uses setjmp-longjmp type tricks to resume
* execution at a specified entry with a matching prototype corresponding
/* For backward compatibility with old code using JPROBE_ENTRY() */
#define JPROBE_ENTRY(handler) (handler)
-DECLARE_PER_CPU(struct kprobe *, current_kprobe);
-DECLARE_PER_CPU(struct kprobe_ctlblk, kprobe_ctlblk);
-
-#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 /* CONFIG_KRETPROBES */
-static inline void arch_prepare_kretprobe(struct kretprobe *rp,
- struct pt_regs *regs)
-{
-}
-static inline int arch_trampoline_kprobe(struct kprobe *p)
-{
- return 0;
-}
-#endif /* CONFIG_KRETPROBES */
/*
* Function-return probe -
* Note:
unsigned long range;
};
+#ifdef CONFIG_KPROBES
+DECLARE_PER_CPU(struct kprobe *, current_kprobe);
+DECLARE_PER_CPU(struct kprobe_ctlblk, kprobe_ctlblk);
+
+#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 /* CONFIG_KRETPROBES */
+static inline void arch_prepare_kretprobe(struct kretprobe *rp,
+ struct pt_regs *regs)
+{
+}
+static inline int arch_trampoline_kprobe(struct kprobe *p)
+{
+ return 0;
+}
+#endif /* CONFIG_KRETPROBES */
+
extern struct kretprobe_blackpoint kretprobe_blacklist[];
static inline void kretprobe_assert(struct kretprobe_instance *ri,
}
#endif /* CONFIG_KPROBES_SANITY_TEST */
-extern struct mutex kprobe_mutex;
extern int arch_prepare_kprobe(struct kprobe *p);
extern void arch_arm_kprobe(struct kprobe *p);
extern void arch_disarm_kprobe(struct kprobe *p);
#else /* CONFIG_KPROBES */
-#define __kprobes notrace
-struct jprobe;
-struct kretprobe;
-
static inline struct kprobe *get_kprobe(void *addr)
{
return NULL;