diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/fprobe.h | 11 | ||||
| -rw-r--r-- | include/linux/rethook.h | 2 | ||||
| -rw-r--r-- | include/linux/trace_events.h | 3 | ||||
| -rw-r--r-- | include/linux/tracepoint-defs.h | 1 | ||||
| -rw-r--r-- | include/linux/tracepoint.h | 5 |
5 files changed, 19 insertions, 3 deletions
diff --git a/include/linux/fprobe.h b/include/linux/fprobe.h index 47fefc7f363b..3e03758151f4 100644 --- a/include/linux/fprobe.h +++ b/include/linux/fprobe.h @@ -35,9 +35,11 @@ struct fprobe { int nr_maxactive; int (*entry_handler)(struct fprobe *fp, unsigned long entry_ip, - struct pt_regs *regs, void *entry_data); + unsigned long ret_ip, struct pt_regs *regs, + void *entry_data); void (*exit_handler)(struct fprobe *fp, unsigned long entry_ip, - struct pt_regs *regs, void *entry_data); + unsigned long ret_ip, struct pt_regs *regs, + void *entry_data); }; /* This fprobe is soft-disabled. */ @@ -64,6 +66,7 @@ int register_fprobe(struct fprobe *fp, const char *filter, const char *notfilter int register_fprobe_ips(struct fprobe *fp, unsigned long *addrs, int num); int register_fprobe_syms(struct fprobe *fp, const char **syms, int num); int unregister_fprobe(struct fprobe *fp); +bool fprobe_is_registered(struct fprobe *fp); #else static inline int register_fprobe(struct fprobe *fp, const char *filter, const char *notfilter) { @@ -81,6 +84,10 @@ static inline int unregister_fprobe(struct fprobe *fp) { return -EOPNOTSUPP; } +static inline bool fprobe_is_registered(struct fprobe *fp) +{ + return false; +} #endif /** diff --git a/include/linux/rethook.h b/include/linux/rethook.h index c8ac1e5afcd1..fdf26cd0e742 100644 --- a/include/linux/rethook.h +++ b/include/linux/rethook.h @@ -14,7 +14,7 @@ struct rethook_node; -typedef void (*rethook_handler_t) (struct rethook_node *, void *, struct pt_regs *); +typedef void (*rethook_handler_t) (struct rethook_node *, void *, unsigned long, struct pt_regs *); /** * struct rethook - The rethook management data structure. diff --git a/include/linux/trace_events.h b/include/linux/trace_events.h index 7c4a0b72334e..3930e676436c 100644 --- a/include/linux/trace_events.h +++ b/include/linux/trace_events.h @@ -318,6 +318,7 @@ enum { TRACE_EVENT_FL_KPROBE_BIT, TRACE_EVENT_FL_UPROBE_BIT, TRACE_EVENT_FL_EPROBE_BIT, + TRACE_EVENT_FL_FPROBE_BIT, TRACE_EVENT_FL_CUSTOM_BIT, }; @@ -332,6 +333,7 @@ enum { * KPROBE - Event is a kprobe * UPROBE - Event is a uprobe * EPROBE - Event is an event probe + * FPROBE - Event is an function probe * CUSTOM - Event is a custom event (to be attached to an exsiting tracepoint) * This is set when the custom event has not been attached * to a tracepoint yet, then it is cleared when it is. @@ -346,6 +348,7 @@ enum { TRACE_EVENT_FL_KPROBE = (1 << TRACE_EVENT_FL_KPROBE_BIT), TRACE_EVENT_FL_UPROBE = (1 << TRACE_EVENT_FL_UPROBE_BIT), TRACE_EVENT_FL_EPROBE = (1 << TRACE_EVENT_FL_EPROBE_BIT), + TRACE_EVENT_FL_FPROBE = (1 << TRACE_EVENT_FL_FPROBE_BIT), TRACE_EVENT_FL_CUSTOM = (1 << TRACE_EVENT_FL_CUSTOM_BIT), }; diff --git a/include/linux/tracepoint-defs.h b/include/linux/tracepoint-defs.h index e7c2276be33e..4dc4955f0fbf 100644 --- a/include/linux/tracepoint-defs.h +++ b/include/linux/tracepoint-defs.h @@ -35,6 +35,7 @@ struct tracepoint { struct static_call_key *static_call_key; void *static_call_tramp; void *iterator; + void *probestub; int (*regfunc)(void); void (*unregfunc)(void); struct tracepoint_func __rcu *funcs; diff --git a/include/linux/tracepoint.h b/include/linux/tracepoint.h index 6811e43c1b5c..88c0ba623ee6 100644 --- a/include/linux/tracepoint.h +++ b/include/linux/tracepoint.h @@ -303,6 +303,7 @@ static inline struct tracepoint *tracepoint_ptr_deref(tracepoint_ptr_t *p) __section("__tracepoints_strings") = #_name; \ extern struct static_call_key STATIC_CALL_KEY(tp_func_##_name); \ int __traceiter_##_name(void *__data, proto); \ + void __probestub_##_name(void *__data, proto); \ struct tracepoint __tracepoint_##_name __used \ __section("__tracepoints") = { \ .name = __tpstrtab_##_name, \ @@ -310,6 +311,7 @@ static inline struct tracepoint *tracepoint_ptr_deref(tracepoint_ptr_t *p) .static_call_key = &STATIC_CALL_KEY(tp_func_##_name), \ .static_call_tramp = STATIC_CALL_TRAMP_ADDR(tp_func_##_name), \ .iterator = &__traceiter_##_name, \ + .probestub = &__probestub_##_name, \ .regfunc = _reg, \ .unregfunc = _unreg, \ .funcs = NULL }; \ @@ -330,6 +332,9 @@ static inline struct tracepoint *tracepoint_ptr_deref(tracepoint_ptr_t *p) } \ return 0; \ } \ + void __probestub_##_name(void *__data, proto) \ + { \ + } \ DEFINE_STATIC_CALL(tp_func_##_name, __traceiter_##_name); #define DEFINE_TRACE(name, proto, args) \ |