Allow the same static user probe to be used multiple times per line.

	* dtrace (provider): Add STAP_PROBE10.
	* includes/sys/sdt.h: Likewise.  Convert labels to __label__

1 files changed, 41 insertions, 15 deletions

diff --git a/includes/sys/sdt.h b/includes/sys/sdt.h
index d68fed6c..ef0977ea 100644
--- a/includes/sys/sdt.h
+++ b/includes/sys/sdt.h
@@ -43,30 +43,33 @@ static volatile struct _probe_ ## probe _probe_ ## probe __attribute__ ((section
 
 // The goto _probe_ prevents the label from "drifting"
 #define STAP_PROBE(provider,probe)		\
- {						\
-STAP_LABEL(probe,__LINE__):			\
+ {__label__ STAP_LABEL(probe,__LINE__);			\
+STAP_LABEL(probe,__LINE__):				\
   asm volatile ("nop");				\
   STAP_PROBE_STRUCT(probe,(size_t)&& STAP_LABEL(probe,__LINE__)) \
   STAP_LABEL_REF(probe)					 \
 }
 
 #define STAP_PROBE1(provider,probe,parm1)	\
- {volatile typeof((parm1)) arg1  __attribute__ ((unused)) = parm1;		\
-STAP_LABEL(probe,__LINE__):				\
+ {__label__ STAP_LABEL(probe,__LINE__);				\
+  volatile typeof((parm1)) arg1  __attribute__ ((unused)) = parm1;	\
+STAP_LABEL(probe,__LINE__):						\
   asm volatile ("nop /* %0 */" :: "g"( arg1)); \
   STAP_PROBE_STRUCT(probe,(size_t)&& STAP_LABEL(probe,__LINE__)) \
   STAP_LABEL_REF(probe);}
 
 #define STAP_PROBE2(provider,probe,parm1,parm2)	\
- {volatile typeof((parm1)) arg1  __attribute__ ((unused)) = parm1;	\
-  volatile typeof((parm2)) arg2  __attribute__ ((unused)) = parm2;		\
+  {__label__ STAP_LABEL(probe,__LINE__);				\
+  volatile typeof((parm1)) arg1  __attribute__ ((unused)) = parm1;	\
+  volatile typeof((parm2)) arg2  __attribute__ ((unused)) = parm2;	\
 STAP_LABEL(probe,__LINE__):				\
   asm volatile ("nop /* %0 %1 */" :: "g"(arg1), "g"(arg2)); \
   STAP_PROBE_STRUCT(probe,(size_t)&& STAP_LABEL(probe,__LINE__)) \
   STAP_LABEL_REF(probe);}
 
 #define STAP_PROBE3(provider,probe,parm1,parm2,parm3) \
- {volatile typeof((parm1)) arg1  __attribute__ ((unused)) = parm1;     \
+ {__label__ STAP_LABEL(probe,__LINE__);				     \
+  volatile typeof((parm1)) arg1  __attribute__ ((unused)) = parm1;     \
   volatile typeof((parm2)) arg2  __attribute__ ((unused)) = parm2; \
   volatile typeof((parm3)) arg3  __attribute__ ((unused)) = parm3; \
 STAP_LABEL(probe,__LINE__):					   \
@@ -75,17 +78,19 @@ STAP_LABEL(probe,__LINE__):					   \
   STAP_LABEL_REF(probe);}
 
 #define STAP_PROBE4(provider,probe,parm1,parm2,parm3,parm4) \
- {volatile typeof((parm1)) arg1  __attribute__ ((unused)) = parm1;		    \
+ {__label__ STAP_LABEL(probe,__LINE__);				\
+  volatile typeof((parm1)) arg1  __attribute__ ((unused)) = parm1; \
   volatile typeof((parm2)) arg2  __attribute__ ((unused)) = parm2; \
   volatile typeof((parm3)) arg3  __attribute__ ((unused)) = parm3; \
   volatile typeof((parm4)) arg4  __attribute__ ((unused)) = parm4; \
 STAP_LABEL(probe,__LINE__):				\
   asm volatile ("nop /* %0 %1 %2 %3 */" :: "g"(arg1), "g"(arg2), "g"(arg3), "g"(arg4)); \
-  STAP_PROBE_STRUCT(probe,(size_t)&& STAP_LABEL(probe,__LINE__)) \
+  STAP_PROBE_STRUCT(probe,(size_t)&& STAP_LABEL(probe,__LINE__))	\
   STAP_LABEL_REF(probe);}
 
 #define STAP_PROBE5(provider,probe,parm1,parm2,parm3,parm4,parm5) \
- {volatile typeof((parm1)) arg1  __attribute__ ((unused)) = parm1;		  \
+  {__label__ STAP_LABEL(probe,__LINE__);			  \
+  volatile typeof((parm1)) arg1  __attribute__ ((unused)) = parm1; \
   volatile typeof((parm2)) arg2  __attribute__ ((unused)) = parm2; \
   volatile typeof((parm3)) arg3  __attribute__ ((unused)) = parm3; \
   volatile typeof((parm4)) arg4  __attribute__ ((unused)) = parm4; \
@@ -96,7 +101,8 @@ STAP_LABEL(probe,__LINE__):				\
   STAP_LABEL_REF(probe);}
 
 #define STAP_PROBE6(provider,probe,parm1,parm2,parm3,parm4,parm5,parm6)	\
- {volatile typeof((parm1)) arg1  __attribute__ ((unused)) = parm1; \
+ {__label__ STAP_LABEL(probe,__LINE__);				\
+  volatile typeof((parm1)) arg1  __attribute__ ((unused)) = parm1; \
   volatile typeof((parm2)) arg2  __attribute__ ((unused)) = parm2; \
   volatile typeof((parm3)) arg3  __attribute__ ((unused)) = parm3; \
   volatile typeof((parm4)) arg4  __attribute__ ((unused)) = parm4; \
@@ -108,7 +114,8 @@ STAP_LABEL(probe,__LINE__):				\
   STAP_LABEL_REF(probe);}
 
 #define STAP_PROBE7(provider,probe,parm1,parm2,parm3,parm4,parm5,parm6,parm7)	\
- {volatile typeof((parm1)) arg1  __attribute__ ((unused)) = parm1; \
+  {__label__ STAP_LABEL(probe,__LINE__);			   \
+  volatile typeof((parm1)) arg1  __attribute__ ((unused)) = parm1; \
   volatile typeof((parm2)) arg2  __attribute__ ((unused)) = parm2; \
   volatile typeof((parm3)) arg3  __attribute__ ((unused)) = parm3; \
   volatile typeof((parm4)) arg4  __attribute__ ((unused)) = parm4; \
@@ -121,7 +128,8 @@ STAP_LABEL(probe,__LINE__):				\
   STAP_LABEL_REF(probe);}
 
 #define STAP_PROBE8(provider,probe,parm1,parm2,parm3,parm4,parm5,parm6,parm7,parm8)	\
- {volatile typeof((parm1)) arg1  __attribute__ ((unused)) = parm1; \
+ {__label__ STAP_LABEL(probe,__LINE__);				\
+  volatile typeof((parm1)) arg1  __attribute__ ((unused)) = parm1; \
   volatile typeof((parm2)) arg2  __attribute__ ((unused)) = parm2; \
   volatile typeof((parm3)) arg3  __attribute__ ((unused)) = parm3; \
   volatile typeof((parm4)) arg4  __attribute__ ((unused)) = parm4; \
@@ -135,7 +143,8 @@ STAP_LABEL(probe,__LINE__):				\
   STAP_LABEL_REF(probe);}
 
 #define STAP_PROBE9(provider,probe,parm1,parm2,parm3,parm4,parm5,parm6,parm7,parm8,parm9)	\
- {volatile typeof((parm1)) arg1  __attribute__ ((unused)) = parm1; \
+ {__label__ STAP_LABEL(probe,__LINE__);				\
+  volatile typeof((parm1)) arg1  __attribute__ ((unused)) = parm1; \
   volatile typeof((parm2)) arg2  __attribute__ ((unused)) = parm2; \
   volatile typeof((parm3)) arg3  __attribute__ ((unused)) = parm3; \
   volatile typeof((parm4)) arg4  __attribute__ ((unused)) = parm4; \
@@ -149,6 +158,23 @@ STAP_LABEL(probe,__LINE__):				\
   STAP_PROBE_STRUCT(probe,(size_t)&& STAP_LABEL(probe,__LINE__)) \
   STAP_LABEL_REF(probe);}
 
+#define STAP_PROBE10(provider,probe,parm1,parm2,parm3,parm4,parm5,parm6,parm7,parm8,parm9,parm10) \
+ {__label__ STAP_LABEL(probe,__LINE__);				\
+  volatile typeof((parm1)) arg1  __attribute__ ((unused)) = parm1; \
+  volatile typeof((parm2)) arg2  __attribute__ ((unused)) = parm2; \
+  volatile typeof((parm3)) arg3  __attribute__ ((unused)) = parm3; \
+  volatile typeof((parm4)) arg4  __attribute__ ((unused)) = parm4; \
+  volatile typeof((parm5)) arg5  __attribute__ ((unused)) = parm5; \
+  volatile typeof((parm6)) arg6  __attribute__ ((unused)) = parm6; \
+  volatile typeof((parm7)) arg7  __attribute__ ((unused)) = parm7; \
+  volatile typeof((parm8)) arg8  __attribute__ ((unused)) = parm8; \
+  volatile typeof((parm9)) arg9  __attribute__ ((unused)) = parm9; \
+  volatile typeof((parm10)) arg10  __attribute__ ((unused)) = parm9; \
+STAP_LABEL(probe,__LINE__):				\
+  asm volatile ("nop" :: "X"(arg1), "X"(arg2), "X"(arg3), "X"(arg4), "X"(arg5), "X"(arg6), "X"(arg7), "X"(arg8), "X"(arg9), "X"(arg10)); \
+  STAP_PROBE_STRUCT(probe,(size_t)&& STAP_LABEL(probe,__LINE__)) \
+  STAP_LABEL_REF(probe);}
+
 #define DTRACE_PROBE(provider,probe) \
 STAP_PROBE(provider,probe)
 #define DTRACE_PROBE1(provider,probe,parm1) \
@@ -169,5 +195,5 @@ STAP_PROBE7(provider,probe,parm1,parm2,parm3,parm4,parm5,parm6,parm7)
 STAP_PROBE8(provider,probe,parm1,parm2,parm3,parm4,parm5,parm6,parm7,parm8) 
 #define DTRACE_PROBE9(provider,probe,parm1,parm2,parm3,parm4,parm5,parm6,parm7,parm8,parm9) \
 STAP_PROBE9(provider,probe,parm1,parm2,parm3,parm4,parm5,parm6,parm7,parm8,parm9) 
-
 #endif /* sys/sdt.h */
+