Merge git://git.skbuff.net/gitroot/yoshfuji/linux-2.6-git-rfc3542

[linux-2.6] / include / linux / kprobes.h

diff --git a/include/linux/kprobes.h b/include/linux/kprobes.h
index 5e1a7b0d7b3f7b6286d02ce6416848c1c7025118..e30afdca79174f9a01b0b538dca138f62bf697f2 100644 (file)
--- a/include/linux/kprobes.h
+++ b/include/linux/kprobes.h
@@ -42,6 +42,9 @@
 #define KPROBE_REENTER         0x00000004
 #define KPROBE_HIT_SSDONE      0x00000008
 
+/* Attach to insert probes on any functions which should be ignored*/
+#define __kprobes      __attribute__((__section__(".kprobes.text")))
+
 struct kprobe;
 struct pt_regs;
 struct kretprobe;
@@ -104,33 +107,12 @@ 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 +137,8 @@ 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 +158,10 @@ 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 +179,6 @@ 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);