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Diffstat (limited to 'include/linux/kprobes.h')
-rw-r--r--include/linux/kprobes.h30
1 files changed, 5 insertions, 25 deletions
diff --git a/include/linux/kprobes.h b/include/linux/kprobes.h
index 5e1a7b0d7b3..e050fc2d4c2 100644
--- a/include/linux/kprobes.h
+++ b/include/linux/kprobes.h
@@ -104,33 +104,12 @@ struct jprobe {
};
#ifdef ARCH_SUPPORTS_KRETPROBES
-extern int trampoline_probe_handler(struct kprobe *p, struct pt_regs *regs);
-extern void trampoline_post_handler(struct kprobe *p, struct pt_regs *regs,
- unsigned long flags);
-extern struct task_struct *arch_get_kprobe_task(void *ptr);
extern void arch_prepare_kretprobe(struct kretprobe *rp, struct pt_regs *regs);
-extern void arch_kprobe_flush_task(struct task_struct *tk);
#else /* ARCH_SUPPORTS_KRETPROBES */
-static inline void kretprobe_trampoline(void)
-{
-}
-static inline int trampoline_probe_handler(struct kprobe *p,
- struct pt_regs *regs)
-{
- return 0;
-}
-static inline void trampoline_post_handler(struct kprobe *p,
- struct pt_regs *regs, unsigned long flags)
-{
-}
static inline void arch_prepare_kretprobe(struct kretprobe *rp,
struct pt_regs *regs)
{
}
-static inline void arch_kprobe_flush_task(struct task_struct *tk)
-{
-}
-#define arch_get_kprobe_task(ptr) ((struct task_struct *)NULL)
#endif /* ARCH_SUPPORTS_KRETPROBES */
/*
* Function-return probe -
@@ -155,8 +134,8 @@ struct kretprobe_instance {
struct hlist_node uflist; /* either on free list or used list */
struct hlist_node hlist;
struct kretprobe *rp;
- void *ret_addr;
- void *stack_addr;
+ kprobe_opcode_t *ret_addr;
+ struct task_struct *task;
};
#ifdef CONFIG_KPROBES
@@ -176,7 +155,10 @@ extern void arch_copy_kprobe(struct kprobe *p);
extern void arch_arm_kprobe(struct kprobe *p);
extern void arch_disarm_kprobe(struct kprobe *p);
extern void arch_remove_kprobe(struct kprobe *p);
+extern int arch_init_kprobes(void);
extern void show_registers(struct pt_regs *regs);
+extern kprobe_opcode_t *get_insn_slot(void);
+extern void free_insn_slot(kprobe_opcode_t *slot);
/* Get the kprobe at this addr (if any). Must have called lock_kprobes */
struct kprobe *get_kprobe(void *addr);
@@ -194,8 +176,6 @@ int register_kretprobe(struct kretprobe *rp);
void unregister_kretprobe(struct kretprobe *rp);
struct kretprobe_instance *get_free_rp_inst(struct kretprobe *rp);
-struct kretprobe_instance *get_rp_inst(void *sara);
-struct kretprobe_instance *get_rp_inst_tsk(struct task_struct *tk);
void add_rp_inst(struct kretprobe_instance *ri);
void kprobe_flush_task(struct task_struct *tk);
void recycle_rp_inst(struct kretprobe_instance *ri);