X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;f=include%2Flttng%2Ftracepoint.h;h=199c8d43c1ddfb004958f61042f2a2a562c1b0b7;hb=bd75d5b944fefa9819bd341d16478a31441d30e3;hp=5358f1cef0d65b593d79705efdc6c0efe19bb94e;hpb=7863d51a426962e4fe4c3bae58bc6868d71e6f30;p=lttng-ust.git diff --git a/include/lttng/tracepoint.h b/include/lttng/tracepoint.h index 5358f1ce..199c8d43 100644 --- a/include/lttng/tracepoint.h +++ b/include/lttng/tracepoint.h @@ -31,16 +31,16 @@ */ #include -#define _LTTNG_UST_SDT_NARG(...) \ - __LTTNG_UST_SDT_NARG(__VA_ARGS__, 12,11,10,9,8,7,6,5,4,3,2,1,0) +#define LTTNG_UST__SDT_NARG(...) \ + LTTNG_UST___SDT_NARG(__VA_ARGS__, 12,11,10,9,8,7,6,5,4,3,2,1,0) -#define __LTTNG_UST_SDT_NARG(_0,_1,_2,_3,_4,_5,_6,_7,_8,_9,_10,_11,_12, N, ...) N +#define LTTNG_UST___SDT_NARG(_0,_1,_2,_3,_4,_5,_6,_7,_8,_9,_10,_11,_12, N, ...) N -#define _LTTNG_UST_SDT_PROBE_N(provider, name, N, ...) \ +#define LTTNG_UST__SDT_PROBE_N(provider, name, N, ...) \ _SDT_PROBE(provider, name, N, (__VA_ARGS__)) #define LTTNG_UST_STAP_PROBEV(provider, name, ...) \ - _LTTNG_UST_SDT_PROBE_N(provider, name, _LTTNG_UST_SDT_NARG(0, ##__VA_ARGS__), ##__VA_ARGS__) + LTTNG_UST__SDT_PROBE_N(provider, name, LTTNG_UST__SDT_NARG(0, ##__VA_ARGS__), ##__VA_ARGS__) #else #define LTTNG_UST_STAP_PROBEV(...) @@ -51,10 +51,10 @@ extern "C" { #endif #define lttng_ust_tracepoint_enabled(provider, name) \ - caa_unlikely(CMM_LOAD_SHARED(__tracepoint_##provider##___##name.state)) + caa_unlikely(CMM_LOAD_SHARED(lttng_ust_tracepoint_##provider##___##name.state)) #define lttng_ust_do_tracepoint(provider, name, ...) \ - __tracepoint_cb_##provider##___##name(__VA_ARGS__) + lttng_ust_tracepoint_cb_##provider##___##name(__VA_ARGS__) #define lttng_ust_tracepoint(provider, name, ...) \ do { \ @@ -182,19 +182,19 @@ extern "C" { * address. */ #define LTTNG_UST__DECLARE_TRACEPOINT(_provider, _name, ...) \ -extern struct lttng_ust_tracepoint __tracepoint_##_provider##___##_name; \ +extern struct lttng_ust_tracepoint lttng_ust_tracepoint_##_provider##___##_name; \ static inline \ -void __tracepoint_cb_##_provider##___##_name(_TP_ARGS_PROTO(__VA_ARGS__)) \ +void lttng_ust_tracepoint_cb_##_provider##___##_name(_TP_ARGS_PROTO(__VA_ARGS__)) \ __attribute__((always_inline, unused)) lttng_ust_notrace; \ static \ -void __tracepoint_cb_##_provider##___##_name(_TP_ARGS_PROTO(__VA_ARGS__)) \ +void lttng_ust_tracepoint_cb_##_provider##___##_name(_TP_ARGS_PROTO(__VA_ARGS__)) \ { \ struct lttng_ust_tracepoint_probe *__tp_probe; \ \ if (caa_unlikely(!TP_RCU_LINK_TEST())) \ return; \ tp_rcu_read_lock(); \ - __tp_probe = tp_rcu_dereference(__tracepoint_##_provider##___##_name.probes); \ + __tp_probe = tp_rcu_dereference(lttng_ust_tracepoint_##_provider##___##_name.probes); \ if (caa_unlikely(!__tp_probe)) \ goto end; \ do { \ @@ -208,30 +208,30 @@ end: \ tp_rcu_read_unlock(); \ } \ static inline \ -void __tracepoint_register_##_provider##___##_name(char *provider_name, char *event_name, \ +void lttng_ust_tracepoint_register_##_provider##___##_name(char *provider_name, char *event_name, \ void (*func)(void), void *data) \ lttng_ust_notrace; \ static inline \ -void __tracepoint_register_##_provider##___##_name(char *provider_name, char *event_name, \ +void lttng_ust_tracepoint_register_##_provider##___##_name(char *provider_name, char *event_name, \ void (*func)(void), void *data) \ { \ - __tracepoint_probe_register(provider_name, event_name, func, data, \ - __tracepoint_##_provider##___##_name.signature); \ + lttng_ust_tracepoint_probe_register(provider_name, event_name, func, data, \ + lttng_ust_tracepoint_##_provider##___##_name.signature); \ } \ static inline \ -void __tracepoint_unregister_##_provider##___##_name(char *provider_name, char *event_name, \ +void lttng_ust_tracepoint_unregister_##_provider##___##_name(char *provider_name, char *event_name, \ void (*func)(void), void *data) \ lttng_ust_notrace; \ static inline \ -void __tracepoint_unregister_##_provider##___##_name(char *provider_name, char *event_name, \ +void lttng_ust_tracepoint_unregister_##_provider##___##_name(char *provider_name, char *event_name, \ void (*func)(void), void *data) \ { \ - __tracepoint_probe_unregister(provider_name, event_name, func, data); \ + lttng_ust_tracepoint_probe_unregister(provider_name, event_name, func, data); \ } -extern int __tracepoint_probe_register(const char *provider_name, const char *event_name, +extern int lttng_ust_tracepoint_probe_register(const char *provider_name, const char *event_name, void (*func)(void), void *data, const char *signature); -extern int __tracepoint_probe_unregister(const char *provider_name, const char *event_name, +extern int lttng_ust_tracepoint_probe_unregister(const char *provider_name, const char *event_name, void (*func)(void), void *data); /* @@ -269,9 +269,9 @@ extern struct lttng_ust_tracepoint_dlopen *lttng_ust_tracepoint_dlopen_ptr; * registering only _one_ instance of the tracepoints per shared-ojbect * (or for the whole main program). */ -int __tracepoint_registered +int lttng_ust_tracepoint_registered __attribute__((weak, visibility("hidden"))); -int __tracepoint_ptrs_registered +int lttng_ust_tracepoint_ptrs_registered __attribute__((weak, visibility("hidden"))); struct lttng_ust_tracepoint_dlopen lttng_ust_tracepoint_dlopen __attribute__((weak, visibility("hidden"))) = { @@ -312,33 +312,33 @@ struct lttng_ust_tracepoint_destructors_syms { /* End of base ABI. Fields below should be used after checking struct_size. */ }; -extern struct lttng_ust_tracepoint_destructors_syms tracepoint_destructors_syms; -extern struct lttng_ust_tracepoint_destructors_syms *tracepoint_destructors_syms_ptr; +extern struct lttng_ust_tracepoint_destructors_syms lttng_ust_tracepoint_destructors_syms; +extern struct lttng_ust_tracepoint_destructors_syms *lttng_ust_tracepoint_destructors_syms_ptr; -struct lttng_ust_tracepoint_destructors_syms tracepoint_destructors_syms +struct lttng_ust_tracepoint_destructors_syms lttng_ust_tracepoint_destructors_syms __attribute__((weak, visibility("hidden"))) = { .struct_size = sizeof(struct lttng_ust_tracepoint_destructors_syms), }; -struct lttng_ust_tracepoint_destructors_syms *tracepoint_destructors_syms_ptr +struct lttng_ust_tracepoint_destructors_syms *lttng_ust_tracepoint_destructors_syms_ptr __attribute__((weak, visibility("hidden"))); static inline void tracepoint_disable_destructors(void) { if (!lttng_ust_tracepoint_dlopen_ptr) lttng_ust_tracepoint_dlopen_ptr = <tng_ust_tracepoint_dlopen; - if (!tracepoint_destructors_syms_ptr) - tracepoint_destructors_syms_ptr = &tracepoint_destructors_syms; + if (!lttng_ust_tracepoint_destructors_syms_ptr) + lttng_ust_tracepoint_destructors_syms_ptr = <tng_ust_tracepoint_destructors_syms; if (lttng_ust_tracepoint_dlopen_ptr->liblttngust_handle - && tracepoint_destructors_syms_ptr->tracepoint_disable_destructors) - tracepoint_destructors_syms_ptr->tracepoint_disable_destructors(); + && lttng_ust_tracepoint_destructors_syms_ptr->tracepoint_disable_destructors) + lttng_ust_tracepoint_destructors_syms_ptr->tracepoint_disable_destructors(); } #ifndef _LGPL_SOURCE static inline void -__tracepoint__init_urcu_sym(void) +lttng_ust_tracepoint__init_urcu_sym(void) lttng_ust_notrace; static inline void -__tracepoint__init_urcu_sym(void) +lttng_ust_tracepoint__init_urcu_sym(void) { if (!lttng_ust_tracepoint_dlopen_ptr) lttng_ust_tracepoint_dlopen_ptr = <tng_ust_tracepoint_dlopen; @@ -364,10 +364,10 @@ __tracepoint__init_urcu_sym(void) } #else static inline void -__tracepoint__init_urcu_sym(void) +lttng_ust_tracepoint__init_urcu_sym(void) lttng_ust_notrace; static inline void -__tracepoint__init_urcu_sym(void) +lttng_ust_tracepoint__init_urcu_sym(void) { } #endif @@ -378,10 +378,10 @@ __tracepoints__init(void) static void __tracepoints__init(void) { - if (__tracepoint_registered++) { + if (lttng_ust_tracepoint_registered++) { if (!lttng_ust_tracepoint_dlopen_ptr->liblttngust_handle) return; - __tracepoint__init_urcu_sym(); + lttng_ust_tracepoint__init_urcu_sym(); return; } @@ -392,7 +392,7 @@ __tracepoints__init(void) dlopen(LTTNG_UST_TRACEPOINT_LIB_SONAME, RTLD_NOW | RTLD_GLOBAL); if (!lttng_ust_tracepoint_dlopen_ptr->liblttngust_handle) return; - __tracepoint__init_urcu_sym(); + lttng_ust_tracepoint__init_urcu_sym(); } static void @@ -403,21 +403,21 @@ __tracepoints__destroy(void) { int ret; - if (--__tracepoint_registered) + if (--lttng_ust_tracepoint_registered) return; if (!lttng_ust_tracepoint_dlopen_ptr) lttng_ust_tracepoint_dlopen_ptr = <tng_ust_tracepoint_dlopen; - if (!tracepoint_destructors_syms_ptr) - tracepoint_destructors_syms_ptr = &tracepoint_destructors_syms; + if (!lttng_ust_tracepoint_destructors_syms_ptr) + lttng_ust_tracepoint_destructors_syms_ptr = <tng_ust_tracepoint_destructors_syms; if (!lttng_ust_tracepoint_dlopen_ptr->liblttngust_handle) return; - if (__tracepoint_ptrs_registered) + if (lttng_ust_tracepoint_ptrs_registered) return; /* * Lookup if destructors must be executed using the new method. */ - if (tracepoint_destructors_syms_ptr->tracepoint_get_destructors_state - && !tracepoint_destructors_syms_ptr->tracepoint_get_destructors_state()) { + if (lttng_ust_tracepoint_destructors_syms_ptr->tracepoint_get_destructors_state + && !lttng_ust_tracepoint_destructors_syms_ptr->tracepoint_get_destructors_state()) { /* * The tracepoint_get_destructors_state symbol was found with * dlsym but its returned value is 0 meaning that destructors @@ -457,7 +457,7 @@ extern struct lttng_ust_tracepoint * const __stop___tracepoints_ptrs[] #ifdef TRACEPOINT_PROBE_DYNAMIC_LINKAGE #define _TRACEPOINT_UNDEFINED_REF(provider) NULL #else /* TRACEPOINT_PROBE_DYNAMIC_LINKAGE */ -#define _TRACEPOINT_UNDEFINED_REF(provider) &__tracepoint_provider_##provider +#define _TRACEPOINT_UNDEFINED_REF(provider) <tng_ust_tracepoint_provider_##provider #endif /* TRACEPOINT_PROBE_DYNAMIC_LINKAGE */ /* @@ -469,14 +469,14 @@ extern struct lttng_ust_tracepoint * const __stop___tracepoints_ptrs[] #define LTTNG_UST__DEFINE_TRACEPOINT(_provider, _name, _args) \ lttng_ust_tracepoint_validate_name_len(_provider, _name); \ - extern int __tracepoint_provider_##_provider; \ + extern int lttng_ust_tracepoint_provider_##_provider; \ static const char __tp_provider_strtab_##_provider##___##_name[] \ __attribute__((section("__tracepoints_strings"))) = \ #_provider; \ static const char __tp_name_strtab_##_provider##___##_name[] \ __attribute__((section("__tracepoints_strings"))) = \ #_name; \ - struct lttng_ust_tracepoint __tracepoint_##_provider##___##_name \ + struct lttng_ust_tracepoint lttng_ust_tracepoint_##_provider##___##_name \ __attribute__((section("__tracepoints"))) = { \ sizeof(struct lttng_ust_tracepoint), \ __tp_provider_strtab_##_provider##___##_name, \ @@ -487,10 +487,10 @@ extern struct lttng_ust_tracepoint * const __stop___tracepoints_ptrs[] _TP_EXTRACT_STRING(_args), \ }; \ static struct lttng_ust_tracepoint * \ - __tracepoint_ptr_##_provider##___##_name \ + lttng_ust_tracepoint_ptr_##_provider##___##_name \ __attribute__((section("__tracepoints_ptrs"), used)) \ __lttng_ust_variable_attribute_no_sanitize_address = \ - &__tracepoint_##_provider##___##_name; + <tng_ust_tracepoint_##_provider##___##_name; static void __tracepoints__ptrs_init(void) @@ -498,7 +498,7 @@ __tracepoints__ptrs_init(void) static void __tracepoints__ptrs_init(void) { - if (__tracepoint_ptrs_registered++) + if (lttng_ust_tracepoint_ptrs_registered++) return; if (!lttng_ust_tracepoint_dlopen_ptr) lttng_ust_tracepoint_dlopen_ptr = <tng_ust_tracepoint_dlopen; @@ -507,8 +507,8 @@ __tracepoints__ptrs_init(void) dlopen(LTTNG_UST_TRACEPOINT_LIB_SONAME, RTLD_NOW | RTLD_GLOBAL); if (!lttng_ust_tracepoint_dlopen_ptr->liblttngust_handle) return; - if (!tracepoint_destructors_syms_ptr) - tracepoint_destructors_syms_ptr = &tracepoint_destructors_syms; + if (!lttng_ust_tracepoint_destructors_syms_ptr) + lttng_ust_tracepoint_destructors_syms_ptr = <tng_ust_tracepoint_destructors_syms; lttng_ust_tracepoint_dlopen_ptr->tracepoint_register_lib = URCU_FORCE_CAST(int (*)(struct lttng_ust_tracepoint * const *, int), dlsym(lttng_ust_tracepoint_dlopen_ptr->liblttngust_handle, @@ -517,15 +517,15 @@ __tracepoints__ptrs_init(void) URCU_FORCE_CAST(int (*)(struct lttng_ust_tracepoint * const *), dlsym(lttng_ust_tracepoint_dlopen_ptr->liblttngust_handle, "tracepoint_unregister_lib")); - tracepoint_destructors_syms_ptr->tracepoint_disable_destructors = + lttng_ust_tracepoint_destructors_syms_ptr->tracepoint_disable_destructors = URCU_FORCE_CAST(void (*)(void), dlsym(lttng_ust_tracepoint_dlopen_ptr->liblttngust_handle, "tp_disable_destructors")); - tracepoint_destructors_syms_ptr->tracepoint_get_destructors_state = + lttng_ust_tracepoint_destructors_syms_ptr->tracepoint_get_destructors_state = URCU_FORCE_CAST(int (*)(void), dlsym(lttng_ust_tracepoint_dlopen_ptr->liblttngust_handle, "tp_get_destructors_state")); - __tracepoint__init_urcu_sym(); + lttng_ust_tracepoint__init_urcu_sym(); if (lttng_ust_tracepoint_dlopen_ptr->tracepoint_register_lib) { lttng_ust_tracepoint_dlopen_ptr->tracepoint_register_lib(__start___tracepoints_ptrs, __stop___tracepoints_ptrs - @@ -541,18 +541,18 @@ __tracepoints__ptrs_destroy(void) { int ret; - if (--__tracepoint_ptrs_registered) + if (--lttng_ust_tracepoint_ptrs_registered) return; if (!lttng_ust_tracepoint_dlopen_ptr) lttng_ust_tracepoint_dlopen_ptr = <tng_ust_tracepoint_dlopen; - if (!tracepoint_destructors_syms_ptr) - tracepoint_destructors_syms_ptr = &tracepoint_destructors_syms; + if (!lttng_ust_tracepoint_destructors_syms_ptr) + lttng_ust_tracepoint_destructors_syms_ptr = <tng_ust_tracepoint_destructors_syms; if (lttng_ust_tracepoint_dlopen_ptr->tracepoint_unregister_lib) lttng_ust_tracepoint_dlopen_ptr->tracepoint_unregister_lib(__start___tracepoints_ptrs); if (lttng_ust_tracepoint_dlopen_ptr->liblttngust_handle - && tracepoint_destructors_syms_ptr->tracepoint_get_destructors_state - && tracepoint_destructors_syms_ptr->tracepoint_get_destructors_state() - && !__tracepoint_ptrs_registered) { + && lttng_ust_tracepoint_destructors_syms_ptr->tracepoint_get_destructors_state + && lttng_ust_tracepoint_destructors_syms_ptr->tracepoint_get_destructors_state() + && !lttng_ust_tracepoint_ptrs_registered) { ret = dlclose(lttng_ust_tracepoint_dlopen_ptr->liblttngust_handle); if (ret) { fprintf(stderr, "Error (%d) in dlclose\n", ret);