Tracepoint API namespacing '_TP_EXDATA'

The ABI bump gives us the opportunity to namespace all public symbols
under the 'lttng_ust_' prefix. Namespace all API symbols and macros
under 'lttng_ust_' / 'LTTNG_UST_' and add compat macros to keep
compatibility with the previous API.

Change-Id: I106630677f62edaf5cb22b076f1642c7c8a456bb
Signed-off-by: Michael Jeanson <mjeanson@efficios.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>

diff --git a/include/lttng/tracepoint.h b/include/lttng/tracepoint.h
index f885e27d517798e8a42560e24eae782e585f47bc..5468cdfac159b37e80edda21391e2f0290dfff52 100644 (file)
--- a/include/lttng/tracepoint.h
+++ b/include/lttng/tracepoint.h
@@ -86,7 +86,7 @@ extern "C" {
 
 /*
  * LTTNG_UST__TP_EXVAR* extract the var names.
- * LTTNG_UST__TP_EXVAR1 and _TP_EXDATA_VAR1 are needed for -std=c99.
+ * LTTNG_UST__TP_EXVAR1 and LTTNG_UST__TP_EXDATA_VAR1 are needed for -std=c99.
  */
 #define LTTNG_UST__TP_EXVAR0()
 #define LTTNG_UST__TP_EXVAR1(a)
@@ -101,22 +101,22 @@ extern "C" {
 #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 _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_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.
+ * _TP_EXPROTO1 and LTTNG_UST__TP_EXDATA_PROTO1 are needed for -std=c99.
  */
 #define _TP_EXPROTO0()                                         void
 #define _TP_EXPROTO1(a)                                                void
@@ -131,26 +131,26 @@ extern "C" {
 #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_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(LTTNG_UST__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_DATA_PROTO_N(N, ...)       _TP_PARAMS(LTTNG_UST__TP_COMBINE_TOKENS(LTTNG_UST__TP_EXDATA_PROTO, N)(__VA_ARGS__))
+#define _TP_DATA_VAR_N(N, ...)         _TP_PARAMS(LTTNG_UST__TP_COMBINE_TOKENS(LTTNG_UST__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__)