X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=include%2Flttng%2Ftracepoint.h;h=043426fce78e580806e5446e12fa4945e7b652a0;hb=88c7c4eacbd4a98ad8e5df341ae2f1223b735194;hp=dd6a84c2d3090fd5f3bc8c9e9019cbcde2b5e85e;hpb=aec5037bcf606e1649e3b3ff2a6374e8434a3e2b;p=lttng-ust.git diff --git a/include/lttng/tracepoint.h b/include/lttng/tracepoint.h index dd6a84c2..043426fc 100644 --- a/include/lttng/tracepoint.h +++ b/include/lttng/tracepoint.h @@ -85,77 +85,77 @@ extern "C" { LTTNG_UST___TP_COMBINE_TOKENS4(_tokena, _tokenb, _tokenc, _tokend) /* - * _TP_EXVAR* extract the var names. - * _TP_EXVAR1 and _TP_EXDATA_VAR1 are needed for -std=c99. + * LTTNG_UST__TP_EXVAR* extract the var names. + * LTTNG_UST__TP_EXVAR1 and LTTNG_UST__TP_EXDATA_VAR1 are needed for -std=c99. */ -#define _TP_EXVAR0() -#define _TP_EXVAR1(a) -#define _TP_EXVAR2(a,b) b -#define _TP_EXVAR4(a,b,c,d) b,d -#define _TP_EXVAR6(a,b,c,d,e,f) b,d,f -#define _TP_EXVAR8(a,b,c,d,e,f,g,h) b,d,f,h -#define _TP_EXVAR10(a,b,c,d,e,f,g,h,i,j) b,d,f,h,j -#define _TP_EXVAR12(a,b,c,d,e,f,g,h,i,j,k,l) b,d,f,h,j,l -#define _TP_EXVAR14(a,b,c,d,e,f,g,h,i,j,k,l,m,n) b,d,f,h,j,l,n -#define _TP_EXVAR16(a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p) b,d,f,h,j,l,n,p -#define _TP_EXVAR18(a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r) b,d,f,h,j,l,n,p,r -#define _TP_EXVAR20(a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t) b,d,f,h,j,l,n,p,r,t - -#define _TP_EXDATA_VAR0() __tp_data -#define _TP_EXDATA_VAR1(a) __tp_data -#define _TP_EXDATA_VAR2(a,b) __tp_data,b -#define _TP_EXDATA_VAR4(a,b,c,d) __tp_data,b,d -#define _TP_EXDATA_VAR6(a,b,c,d,e,f) __tp_data,b,d,f -#define _TP_EXDATA_VAR8(a,b,c,d,e,f,g,h) __tp_data,b,d,f,h -#define _TP_EXDATA_VAR10(a,b,c,d,e,f,g,h,i,j) __tp_data,b,d,f,h,j -#define _TP_EXDATA_VAR12(a,b,c,d,e,f,g,h,i,j,k,l) __tp_data,b,d,f,h,j,l -#define _TP_EXDATA_VAR14(a,b,c,d,e,f,g,h,i,j,k,l,m,n) __tp_data,b,d,f,h,j,l,n -#define _TP_EXDATA_VAR16(a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p) __tp_data,b,d,f,h,j,l,n,p -#define _TP_EXDATA_VAR18(a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r) __tp_data,b,d,f,h,j,l,n,p,r -#define _TP_EXDATA_VAR20(a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t) __tp_data,b,d,f,h,j,l,n,p,r,t +#define LTTNG_UST__TP_EXVAR0() +#define LTTNG_UST__TP_EXVAR1(a) +#define LTTNG_UST__TP_EXVAR2(a,b) b +#define LTTNG_UST__TP_EXVAR4(a,b,c,d) b,d +#define LTTNG_UST__TP_EXVAR6(a,b,c,d,e,f) b,d,f +#define LTTNG_UST__TP_EXVAR8(a,b,c,d,e,f,g,h) b,d,f,h +#define LTTNG_UST__TP_EXVAR10(a,b,c,d,e,f,g,h,i,j) b,d,f,h,j +#define LTTNG_UST__TP_EXVAR12(a,b,c,d,e,f,g,h,i,j,k,l) b,d,f,h,j,l +#define LTTNG_UST__TP_EXVAR14(a,b,c,d,e,f,g,h,i,j,k,l,m,n) b,d,f,h,j,l,n +#define LTTNG_UST__TP_EXVAR16(a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p) b,d,f,h,j,l,n,p +#define LTTNG_UST__TP_EXVAR18(a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r) b,d,f,h,j,l,n,p,r +#define LTTNG_UST__TP_EXVAR20(a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t) b,d,f,h,j,l,n,p,r,t + +#define LTTNG_UST__TP_EXDATA_VAR0() __tp_data +#define LTTNG_UST__TP_EXDATA_VAR1(a) __tp_data +#define LTTNG_UST__TP_EXDATA_VAR2(a,b) __tp_data,b +#define LTTNG_UST__TP_EXDATA_VAR4(a,b,c,d) __tp_data,b,d +#define LTTNG_UST__TP_EXDATA_VAR6(a,b,c,d,e,f) __tp_data,b,d,f +#define LTTNG_UST__TP_EXDATA_VAR8(a,b,c,d,e,f,g,h) __tp_data,b,d,f,h +#define LTTNG_UST__TP_EXDATA_VAR10(a,b,c,d,e,f,g,h,i,j) __tp_data,b,d,f,h,j +#define LTTNG_UST__TP_EXDATA_VAR12(a,b,c,d,e,f,g,h,i,j,k,l) __tp_data,b,d,f,h,j,l +#define LTTNG_UST__TP_EXDATA_VAR14(a,b,c,d,e,f,g,h,i,j,k,l,m,n) __tp_data,b,d,f,h,j,l,n +#define LTTNG_UST__TP_EXDATA_VAR16(a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p) __tp_data,b,d,f,h,j,l,n,p +#define LTTNG_UST__TP_EXDATA_VAR18(a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r) __tp_data,b,d,f,h,j,l,n,p,r +#define LTTNG_UST__TP_EXDATA_VAR20(a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t) __tp_data,b,d,f,h,j,l,n,p,r,t /* - * _TP_EXPROTO* extract tuples of type, var. - * _TP_EXPROTO1 and _TP_EXDATA_PROTO1 are needed for -std=c99. + * LTTNG_UST__TP_EXPROTO* extract tuples of type, var. + * LTTNG_UST__TP_EXPROTO1 and LTTNG_UST__TP_EXDATA_PROTO1 are needed for -std=c99. */ -#define _TP_EXPROTO0() void -#define _TP_EXPROTO1(a) void -#define _TP_EXPROTO2(a,b) a b -#define _TP_EXPROTO4(a,b,c,d) a b,c d -#define _TP_EXPROTO6(a,b,c,d,e,f) a b,c d,e f -#define _TP_EXPROTO8(a,b,c,d,e,f,g,h) a b,c d,e f,g h -#define _TP_EXPROTO10(a,b,c,d,e,f,g,h,i,j) a b,c d,e f,g h,i j -#define _TP_EXPROTO12(a,b,c,d,e,f,g,h,i,j,k,l) a b,c d,e f,g h,i j,k l -#define _TP_EXPROTO14(a,b,c,d,e,f,g,h,i,j,k,l,m,n) a b,c d,e f,g h,i j,k l,m n -#define _TP_EXPROTO16(a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p) a b,c d,e f,g h,i j,k l,m n,o p -#define _TP_EXPROTO18(a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r) a b,c d,e f,g h,i j,k l,m n,o p,q r -#define _TP_EXPROTO20(a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t) a b,c d,e f,g h,i j,k l,m n,o p,q r,s t - -#define _TP_EXDATA_PROTO0() void *__tp_data -#define _TP_EXDATA_PROTO1(a) void *__tp_data -#define _TP_EXDATA_PROTO2(a,b) void *__tp_data,a b -#define _TP_EXDATA_PROTO4(a,b,c,d) void *__tp_data,a b,c d -#define _TP_EXDATA_PROTO6(a,b,c,d,e,f) void *__tp_data,a b,c d,e f -#define _TP_EXDATA_PROTO8(a,b,c,d,e,f,g,h) void *__tp_data,a b,c d,e f,g h -#define _TP_EXDATA_PROTO10(a,b,c,d,e,f,g,h,i,j) void *__tp_data,a b,c d,e f,g h,i j -#define _TP_EXDATA_PROTO12(a,b,c,d,e,f,g,h,i,j,k,l) void *__tp_data,a b,c d,e f,g h,i j,k l -#define _TP_EXDATA_PROTO14(a,b,c,d,e,f,g,h,i,j,k,l,m,n) void *__tp_data,a b,c d,e f,g h,i j,k l,m n -#define _TP_EXDATA_PROTO16(a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p) void *__tp_data,a b,c d,e f,g h,i j,k l,m n,o p -#define _TP_EXDATA_PROTO18(a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r) void *__tp_data,a b,c d,e f,g h,i j,k l,m n,o p,q r -#define _TP_EXDATA_PROTO20(a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t) void *__tp_data,a b,c d,e f,g h,i j,k l,m n,o p,q r,s t +#define LTTNG_UST__TP_EXPROTO0() void +#define LTTNG_UST__TP_EXPROTO1(a) void +#define LTTNG_UST__TP_EXPROTO2(a,b) a b +#define LTTNG_UST__TP_EXPROTO4(a,b,c,d) a b,c d +#define LTTNG_UST__TP_EXPROTO6(a,b,c,d,e,f) a b,c d,e f +#define LTTNG_UST__TP_EXPROTO8(a,b,c,d,e,f,g,h) a b,c d,e f,g h +#define LTTNG_UST__TP_EXPROTO10(a,b,c,d,e,f,g,h,i,j) a b,c d,e f,g h,i j +#define LTTNG_UST__TP_EXPROTO12(a,b,c,d,e,f,g,h,i,j,k,l) a b,c d,e f,g h,i j,k l +#define LTTNG_UST__TP_EXPROTO14(a,b,c,d,e,f,g,h,i,j,k,l,m,n) a b,c d,e f,g h,i j,k l,m n +#define LTTNG_UST__TP_EXPROTO16(a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p) a b,c d,e f,g h,i j,k l,m n,o p +#define LTTNG_UST__TP_EXPROTO18(a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r) a b,c d,e f,g h,i j,k l,m n,o p,q r +#define LTTNG_UST__TP_EXPROTO20(a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t) a b,c d,e f,g h,i j,k l,m n,o p,q r,s t + +#define LTTNG_UST__TP_EXDATA_PROTO0() void *__tp_data +#define LTTNG_UST__TP_EXDATA_PROTO1(a) void *__tp_data +#define LTTNG_UST__TP_EXDATA_PROTO2(a,b) void *__tp_data,a b +#define LTTNG_UST__TP_EXDATA_PROTO4(a,b,c,d) void *__tp_data,a b,c d +#define LTTNG_UST__TP_EXDATA_PROTO6(a,b,c,d,e,f) void *__tp_data,a b,c d,e f +#define LTTNG_UST__TP_EXDATA_PROTO8(a,b,c,d,e,f,g,h) void *__tp_data,a b,c d,e f,g h +#define LTTNG_UST__TP_EXDATA_PROTO10(a,b,c,d,e,f,g,h,i,j) void *__tp_data,a b,c d,e f,g h,i j +#define LTTNG_UST__TP_EXDATA_PROTO12(a,b,c,d,e,f,g,h,i,j,k,l) void *__tp_data,a b,c d,e f,g h,i j,k l +#define LTTNG_UST__TP_EXDATA_PROTO14(a,b,c,d,e,f,g,h,i,j,k,l,m,n) void *__tp_data,a b,c d,e f,g h,i j,k l,m n +#define LTTNG_UST__TP_EXDATA_PROTO16(a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p) void *__tp_data,a b,c d,e f,g h,i j,k l,m n,o p +#define LTTNG_UST__TP_EXDATA_PROTO18(a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r) void *__tp_data,a b,c d,e f,g h,i j,k l,m n,o p,q r +#define LTTNG_UST__TP_EXDATA_PROTO20(a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t) void *__tp_data,a b,c d,e f,g h,i j,k l,m n,o p,q r,s t /* Preprocessor trick to count arguments. Inspired from sdt.h. */ -#define _TP_NARGS(...) __TP_NARGS(__VA_ARGS__, 20,19,18,17,16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0) -#define __TP_NARGS(_0,_1,_2,_3,_4,_5,_6,_7,_8,_9,_10,_11,_12,_13,_14,_15,_16,_17,_18,_19,_20, N, ...) N -#define _TP_PROTO_N(N, ...) _TP_PARAMS(LTTNG_UST__TP_COMBINE_TOKENS(_TP_EXPROTO, N)(__VA_ARGS__)) -#define _TP_VAR_N(N, ...) _TP_PARAMS(LTTNG_UST__TP_COMBINE_TOKENS(_TP_EXVAR, N)(__VA_ARGS__)) -#define _TP_DATA_PROTO_N(N, ...) _TP_PARAMS(LTTNG_UST__TP_COMBINE_TOKENS(_TP_EXDATA_PROTO, N)(__VA_ARGS__)) -#define _TP_DATA_VAR_N(N, ...) _TP_PARAMS(LTTNG_UST__TP_COMBINE_TOKENS(_TP_EXDATA_VAR, N)(__VA_ARGS__)) -#define _TP_ARGS_PROTO(...) _TP_PROTO_N(_TP_NARGS(0, ##__VA_ARGS__), ##__VA_ARGS__) -#define _TP_ARGS_VAR(...) _TP_VAR_N(_TP_NARGS(0, ##__VA_ARGS__), ##__VA_ARGS__) -#define _TP_ARGS_DATA_PROTO(...) _TP_DATA_PROTO_N(_TP_NARGS(0, ##__VA_ARGS__), ##__VA_ARGS__) -#define _TP_ARGS_DATA_VAR(...) _TP_DATA_VAR_N(_TP_NARGS(0, ##__VA_ARGS__), ##__VA_ARGS__) -#define _TP_PARAMS(...) __VA_ARGS__ +#define LTTNG_UST__TP_NARGS(...) LTTNG_UST___TP_NARGS(__VA_ARGS__, 20,19,18,17,16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0) +#define LTTNG_UST___TP_NARGS(_0,_1,_2,_3,_4,_5,_6,_7,_8,_9,_10,_11,_12,_13,_14,_15,_16,_17,_18,_19,_20, N, ...) N +#define LTTNG_UST__TP_PROTO_N(N, ...) LTTNG_UST__TP_PARAMS(LTTNG_UST__TP_COMBINE_TOKENS(LTTNG_UST__TP_EXPROTO, N)(__VA_ARGS__)) +#define LTTNG_UST__TP_VAR_N(N, ...) LTTNG_UST__TP_PARAMS(LTTNG_UST__TP_COMBINE_TOKENS(LTTNG_UST__TP_EXVAR, N)(__VA_ARGS__)) +#define LTTNG_UST__TP_DATA_PROTO_N(N, ...) LTTNG_UST__TP_PARAMS(LTTNG_UST__TP_COMBINE_TOKENS(LTTNG_UST__TP_EXDATA_PROTO, N)(__VA_ARGS__)) +#define LTTNG_UST__TP_DATA_VAR_N(N, ...) LTTNG_UST__TP_PARAMS(LTTNG_UST__TP_COMBINE_TOKENS(LTTNG_UST__TP_EXDATA_VAR, N)(__VA_ARGS__)) +#define LTTNG_UST__TP_ARGS_PROTO(...) LTTNG_UST__TP_PROTO_N(LTTNG_UST__TP_NARGS(0, ##__VA_ARGS__), ##__VA_ARGS__) +#define LTTNG_UST__TP_ARGS_VAR(...) LTTNG_UST__TP_VAR_N(LTTNG_UST__TP_NARGS(0, ##__VA_ARGS__), ##__VA_ARGS__) +#define LTTNG_UST__TP_ARGS_DATA_PROTO(...) LTTNG_UST__TP_DATA_PROTO_N(LTTNG_UST__TP_NARGS(0, ##__VA_ARGS__), ##__VA_ARGS__) +#define LTTNG_UST__TP_ARGS_DATA_VAR(...) LTTNG_UST__TP_DATA_VAR_N(LTTNG_UST__TP_NARGS(0, ##__VA_ARGS__), ##__VA_ARGS__) +#define LTTNG_UST__TP_PARAMS(...) __VA_ARGS__ /* * sizeof(#_provider) - 1 : length of the provider string (excluding \0). @@ -184,10 +184,10 @@ extern "C" { #define LTTNG_UST__DECLARE_TRACEPOINT(_provider, _name, ...) \ extern struct lttng_ust_tracepoint lttng_ust_tracepoint_##_provider##___##_name; \ static inline \ -void lttng_ust_tracepoint_cb_##_provider##___##_name(_TP_ARGS_PROTO(__VA_ARGS__)) \ +void lttng_ust_tracepoint_cb_##_provider##___##_name(LTTNG_UST__TP_ARGS_PROTO(__VA_ARGS__)) \ __attribute__((always_inline, unused)) lttng_ust_notrace; \ static \ -void lttng_ust_tracepoint_cb_##_provider##___##_name(_TP_ARGS_PROTO(__VA_ARGS__)) \ +void lttng_ust_tracepoint_cb_##_provider##___##_name(LTTNG_UST__TP_ARGS_PROTO(__VA_ARGS__)) \ { \ struct lttng_ust_tracepoint_probe *__tp_probe; \ \ @@ -201,8 +201,8 @@ void lttng_ust_tracepoint_cb_##_provider##___##_name(_TP_ARGS_PROTO(__VA_ARGS__) void (*__tp_cb)(void) = __tp_probe->func; \ void *__tp_data = __tp_probe->data; \ \ - URCU_FORCE_CAST(void (*)(_TP_ARGS_DATA_PROTO(__VA_ARGS__)), __tp_cb) \ - (_TP_ARGS_DATA_VAR(__VA_ARGS__)); \ + URCU_FORCE_CAST(void (*)(LTTNG_UST__TP_ARGS_DATA_PROTO(__VA_ARGS__)), __tp_cb) \ + (LTTNG_UST__TP_ARGS_DATA_VAR(__VA_ARGS__)); \ } while ((++__tp_probe)->func); \ end: \ tp_rcu_read_unlock(); \ @@ -251,9 +251,9 @@ struct lttng_ust_tracepoint_dlopen { void *liblttngust_handle; - int (*tracepoint_register_lib)(struct lttng_ust_tracepoint * const *tracepoints_start, + int (*lttng_ust_tracepoint_register_lib)(struct lttng_ust_tracepoint * const *tracepoints_start, int tracepoints_count); - int (*tracepoint_unregister_lib)(struct lttng_ust_tracepoint * const *tracepoints_start); + int (*lttng_ust_tracepoint_unregister_lib)(struct lttng_ust_tracepoint * const *tracepoints_start); void (*rcu_read_lock_sym)(void); void (*rcu_read_unlock_sym)(void); void *(*rcu_dereference_sym)(void *p); @@ -373,10 +373,10 @@ lttng_ust_tracepoint__init_urcu_sym(void) #endif static void -__tracepoints__init(void) +lttng_ust__tracepoints__init(void) lttng_ust_notrace __attribute__((constructor)); static void -__tracepoints__init(void) +lttng_ust__tracepoints__init(void) { if (lttng_ust_tracepoint_registered++) { if (!lttng_ust_tracepoint_dlopen_ptr->liblttngust_handle) @@ -396,10 +396,10 @@ __tracepoints__init(void) } static void -__tracepoints__destroy(void) +lttng_ust__tracepoints__destroy(void) lttng_ust_notrace __attribute__((destructor)); static void -__tracepoints__destroy(void) +lttng_ust__tracepoints__destroy(void) { int ret; @@ -433,70 +433,83 @@ __tracepoints__destroy(void) memset(lttng_ust_tracepoint_dlopen_ptr, 0, sizeof(*lttng_ust_tracepoint_dlopen_ptr)); } -#ifdef TRACEPOINT_DEFINE +#if LTTNG_UST_COMPAT_API(0) +# if defined(TRACEPOINT_DEFINE) && !defined(LTTNG_UST_TRACEPOINT_DEFINE) +# define LTTNG_UST_TRACEPOINT_DEFINE +# endif +#endif /* #if LTTNG_UST_COMPAT_API(0) */ + +#ifdef LTTNG_UST_TRACEPOINT_DEFINE /* * These weak symbols, the constructor, and destructor take care of * registering only _one_ instance of the tracepoints per shared-ojbect * (or for the whole main program). */ -extern struct lttng_ust_tracepoint * const __start___tracepoints_ptrs[] +extern struct lttng_ust_tracepoint * const __start_lttng_ust_tracepoints_ptrs[] __attribute__((weak, visibility("hidden"))); -extern struct lttng_ust_tracepoint * const __stop___tracepoints_ptrs[] +extern struct lttng_ust_tracepoint * const __stop_lttng_ust_tracepoints_ptrs[] __attribute__((weak, visibility("hidden"))); /* - * When TRACEPOINT_PROBE_DYNAMIC_LINKAGE is defined, we do not emit a + * When LTTNG_UST_TRACEPOINT_PROBE_DYNAMIC_LINKAGE is defined, we do not emit a * unresolved symbol that requires the provider to be linked in. When - * TRACEPOINT_PROBE_DYNAMIC_LINKAGE is not defined, we emit an + * LTTNG_UST_TRACEPOINT_PROBE_DYNAMIC_LINKAGE is not defined, we emit an * unresolved symbol that depends on having the provider linked in, * otherwise the linker complains. This deals with use of static * libraries, ensuring that the linker does not remove the provider * object from the executable. */ -#ifdef TRACEPOINT_PROBE_DYNAMIC_LINKAGE -#define _TRACEPOINT_UNDEFINED_REF(provider) NULL -#else /* TRACEPOINT_PROBE_DYNAMIC_LINKAGE */ -#define _TRACEPOINT_UNDEFINED_REF(provider) <tng_ust_tracepoint_provider_##provider -#endif /* TRACEPOINT_PROBE_DYNAMIC_LINKAGE */ + +#if LTTNG_UST_COMPAT_API(0) +# if defined(TRACEPOINT_PROBE_DYNAMIC_LINKAGE) && !defined(LTTNG_UST_TRACEPOINT_PROBE_DYNAMIC_LINKAGE) +# define LTTNG_UST_TRACEPOINT_PROBE_DYNAMIC_LINKAGE +# endif +#endif /* #if LTTNG_UST_COMPAT_API(0) */ + +#ifdef LTTNG_UST_TRACEPOINT_PROBE_DYNAMIC_LINKAGE +#define LTTNG_UST__TRACEPOINT_UNDEFINED_REF(provider) NULL +#else /* LTTNG_UST_TRACEPOINT_PROBE_DYNAMIC_LINKAGE */ +#define LTTNG_UST__TRACEPOINT_UNDEFINED_REF(provider) <tng_ust_tracepoint_provider_##provider +#endif /* LTTNG_UST_TRACEPOINT_PROBE_DYNAMIC_LINKAGE */ /* * Note: to allow PIC code, we need to allow the linker to update the pointers - * in the __tracepoints_ptrs section. + * in the lttng_ust_tracepoints_ptrs section. * Therefore, this section is _not_ const (read-only). */ -#define _TP_EXTRACT_STRING(...) #__VA_ARGS__ +#define LTTNG_UST__TP_EXTRACT_STRING(...) #__VA_ARGS__ #define LTTNG_UST__DEFINE_TRACEPOINT(_provider, _name, _args) \ lttng_ust_tracepoint_validate_name_len(_provider, _name); \ extern int lttng_ust_tracepoint_provider_##_provider; \ - static const char __tp_provider_strtab_##_provider##___##_name[] \ - __attribute__((section("__tracepoints_strings"))) = \ + static const char lttng_ust_tp_provider_strtab_##_provider##___##_name[] \ + __attribute__((section("lttng_ust_tracepoints_strings"))) = \ #_provider; \ - static const char __tp_name_strtab_##_provider##___##_name[] \ - __attribute__((section("__tracepoints_strings"))) = \ + static const char lttng_ust_tp_name_strtab_##_provider##___##_name[] \ + __attribute__((section("lttng_ust_tracepoints_strings"))) = \ #_name; \ struct lttng_ust_tracepoint lttng_ust_tracepoint_##_provider##___##_name \ - __attribute__((section("__tracepoints"))) = { \ + __attribute__((section("lttng_ust_tracepoints"))) = { \ sizeof(struct lttng_ust_tracepoint), \ - __tp_provider_strtab_##_provider##___##_name, \ - __tp_name_strtab_##_provider##___##_name, \ + lttng_ust_tp_provider_strtab_##_provider##___##_name, \ + lttng_ust_tp_name_strtab_##_provider##___##_name, \ 0, \ NULL, \ - _TRACEPOINT_UNDEFINED_REF(_provider), \ - _TP_EXTRACT_STRING(_args), \ + LTTNG_UST__TRACEPOINT_UNDEFINED_REF(_provider), \ + LTTNG_UST__TP_EXTRACT_STRING(_args), \ }; \ static struct lttng_ust_tracepoint * \ lttng_ust_tracepoint_ptr_##_provider##___##_name \ - __attribute__((section("__tracepoints_ptrs"), used)) \ + __attribute__((section("lttng_ust_tracepoints_ptrs"), used)) \ __lttng_ust_variable_attribute_no_sanitize_address = \ <tng_ust_tracepoint_##_provider##___##_name; static void -__tracepoints__ptrs_init(void) +lttng_ust__tracepoints__ptrs_init(void) lttng_ust_notrace __attribute__((constructor)); static void -__tracepoints__ptrs_init(void) +lttng_ust__tracepoints__ptrs_init(void) { if (lttng_ust_tracepoint_ptrs_registered++) return; @@ -509,35 +522,35 @@ __tracepoints__ptrs_init(void) return; 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 = + lttng_ust_tracepoint_dlopen_ptr->lttng_ust_tracepoint_register_lib = URCU_FORCE_CAST(int (*)(struct lttng_ust_tracepoint * const *, int), dlsym(lttng_ust_tracepoint_dlopen_ptr->liblttngust_handle, - "tracepoint_register_lib")); - lttng_ust_tracepoint_dlopen_ptr->tracepoint_unregister_lib = + "lttng_ust_tracepoint_register_lib")); + lttng_ust_tracepoint_dlopen_ptr->lttng_ust_tracepoint_unregister_lib = URCU_FORCE_CAST(int (*)(struct lttng_ust_tracepoint * const *), dlsym(lttng_ust_tracepoint_dlopen_ptr->liblttngust_handle, - "tracepoint_unregister_lib")); + "lttng_ust_tracepoint_unregister_lib")); 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")); + "lttng_ust_tp_disable_destructors")); 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")); + "lttng_ust_tp_get_destructors_state")); 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 - - __start___tracepoints_ptrs); + if (lttng_ust_tracepoint_dlopen_ptr->lttng_ust_tracepoint_register_lib) { + lttng_ust_tracepoint_dlopen_ptr->lttng_ust_tracepoint_register_lib(__start_lttng_ust_tracepoints_ptrs, + __stop_lttng_ust_tracepoints_ptrs - + __start_lttng_ust_tracepoints_ptrs); } } static void -__tracepoints__ptrs_destroy(void) +lttng_ust__tracepoints__ptrs_destroy(void) lttng_ust_notrace __attribute__((destructor)); static void -__tracepoints__ptrs_destroy(void) +lttng_ust__tracepoints__ptrs_destroy(void) { int ret; @@ -547,8 +560,8 @@ __tracepoints__ptrs_destroy(void) lttng_ust_tracepoint_dlopen_ptr = <tng_ust_tracepoint_dlopen; 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->lttng_ust_tracepoint_unregister_lib) + lttng_ust_tracepoint_dlopen_ptr->lttng_ust_tracepoint_unregister_lib(__start_lttng_ust_tracepoints_ptrs); if (lttng_ust_tracepoint_dlopen_ptr->liblttngust_handle && lttng_ust_tracepoint_destructors_syms_ptr->tracepoint_get_destructors_state && lttng_ust_tracepoint_destructors_syms_ptr->tracepoint_get_destructors_state() @@ -562,11 +575,11 @@ __tracepoints__ptrs_destroy(void) } } -#else /* TRACEPOINT_DEFINE */ +#else /* LTTNG_UST_TRACEPOINT_DEFINE */ #define LTTNG_UST__DEFINE_TRACEPOINT(_provider, _name, _args) -#endif /* #else TRACEPOINT_DEFINE */ +#endif /* #else LTTNG_UST_TRACEPOINT_DEFINE */ #if LTTNG_UST_COMPAT_API(0) #define tracepoint lttng_ust_tracepoint @@ -713,14 +726,14 @@ __tracepoints__ptrs_destroy(void) */ #define LTTNG_UST_TRACEPOINT_EVENT(provider, name, args, fields) \ - LTTNG_UST__DECLARE_TRACEPOINT(provider, name, _TP_PARAMS(args)) \ - LTTNG_UST__DEFINE_TRACEPOINT(provider, name, _TP_PARAMS(args)) + LTTNG_UST__DECLARE_TRACEPOINT(provider, name, LTTNG_UST__TP_PARAMS(args)) \ + LTTNG_UST__DEFINE_TRACEPOINT(provider, name, LTTNG_UST__TP_PARAMS(args)) #define LTTNG_UST_TRACEPOINT_EVENT_CLASS(provider, name, args, fields) #define LTTNG_UST_TRACEPOINT_EVENT_INSTANCE(provider, _template, name, args) \ - LTTNG_UST__DECLARE_TRACEPOINT(provider, name, _TP_PARAMS(args)) \ - LTTNG_UST__DEFINE_TRACEPOINT(provider, name, _TP_PARAMS(args)) + LTTNG_UST__DECLARE_TRACEPOINT(provider, name, LTTNG_UST__TP_PARAMS(args)) \ + LTTNG_UST__DEFINE_TRACEPOINT(provider, name, LTTNG_UST__TP_PARAMS(args)) #if LTTNG_UST_COMPAT_API(0) #define TRACEPOINT_EVENT LTTNG_UST_TRACEPOINT_EVENT