summaryrefslogtreecommitdiffstats
path: root/generic/tclCompile.h
diff options
context:
space:
mode:
Diffstat (limited to 'generic/tclCompile.h')
-rw-r--r--generic/tclCompile.h91
1 files changed, 90 insertions, 1 deletions
diff --git a/generic/tclCompile.h b/generic/tclCompile.h
index 50e2312..3db6da9 100644
--- a/generic/tclCompile.h
+++ b/generic/tclCompile.h
@@ -4,11 +4,12 @@
* Copyright (c) 1996-1998 Sun Microsystems, Inc.
* Copyright (c) 1998-2000 by Scriptics Corporation.
* Copyright (c) 2001 by Kevin B. Kenny. All rights reserved.
+ * Copyright (c) 2007 Daniel A. Steffen <das@users.sourceforge.net>
*
* See the file "license.terms" for information on usage and redistribution of
* this file, and for a DISCLAIMER OF ALL WARRANTIES.
*
- * RCS: @(#) $Id: tclCompile.h,v 1.78 2007/09/09 16:51:19 dgp Exp $
+ * RCS: @(#) $Id: tclCompile.h,v 1.79 2007/09/13 15:27:07 das Exp $
*/
#ifndef _TCLCOMPILATION
@@ -1203,6 +1204,94 @@ MODULE_SCOPE int TclWordKnownAtCompileTime(Tcl_Token *tokenPtr,
#define TclMin(i, j) ((((int) i) < ((int) j))? (i) : (j))
#define TclMax(i, j) ((((int) i) > ((int) j))? (i) : (j))
+/*
+ * DTrace probe macros (NOPs if DTrace support is not enabled).
+ */
+
+#ifdef USE_DTRACE
+
+#include "tclDTrace.h"
+
+#if defined(__GNUC__ ) && __GNUC__ > 2
+/* Use gcc branch prediction hint to minimize cost of DTrace ENABLED checks. */
+#define unlikely(x) (__builtin_expect((x), 0))
+#else
+#define unlikely(x) (x)
+#endif
+
+#define TCL_DTRACE_PROC_ENTRY_ENABLED() unlikely(TCL_PROC_ENTRY_ENABLED())
+#define TCL_DTRACE_PROC_RETURN_ENABLED() unlikely(TCL_PROC_RETURN_ENABLED())
+#define TCL_DTRACE_PROC_RESULT_ENABLED() unlikely(TCL_PROC_RESULT_ENABLED())
+#define TCL_DTRACE_PROC_ARGS_ENABLED() unlikely(TCL_PROC_ARGS_ENABLED())
+#define TCL_DTRACE_PROC_INFO_ENABLED() unlikely(TCL_PROC_INFO_ENABLED())
+#define TCL_DTRACE_PROC_ENTRY(a0, a1, a2) TCL_PROC_ENTRY(a0, a1, a2)
+#define TCL_DTRACE_PROC_RETURN(a0, a1) TCL_PROC_RETURN(a0, a1)
+#define TCL_DTRACE_PROC_RESULT(a0, a1, a2, a3) TCL_PROC_RESULT(a0, a1, a2, a3)
+#define TCL_DTRACE_PROC_ARGS(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9) \
+ TCL_PROC_ARGS(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)
+#define TCL_DTRACE_PROC_INFO(a0, a1, a2, a3, a4, a5) \
+ TCL_PROC_INFO(a0, a1, a2, a3, a4, a5)
+
+#define TCL_DTRACE_CMD_ENTRY_ENABLED() unlikely(TCL_CMD_ENTRY_ENABLED())
+#define TCL_DTRACE_CMD_RETURN_ENABLED() unlikely(TCL_CMD_RETURN_ENABLED())
+#define TCL_DTRACE_CMD_RESULT_ENABLED() unlikely(TCL_CMD_RESULT_ENABLED())
+#define TCL_DTRACE_CMD_ARGS_ENABLED() unlikely(TCL_CMD_ARGS_ENABLED())
+#define TCL_DTRACE_CMD_INFO_ENABLED() unlikely(TCL_CMD_INFO_ENABLED())
+#define TCL_DTRACE_CMD_ENTRY(a0, a1, a2) TCL_CMD_ENTRY(a0, a1, a2)
+#define TCL_DTRACE_CMD_RETURN(a0, a1) TCL_CMD_RETURN(a0, a1)
+#define TCL_DTRACE_CMD_RESULT(a0, a1, a2, a3) TCL_CMD_RESULT(a0, a1, a2, a3)
+#define TCL_DTRACE_CMD_ARGS(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9) \
+ TCL_CMD_ARGS(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)
+#define TCL_DTRACE_CMD_INFO(a0, a1, a2, a3, a4, a5) \
+ TCL_CMD_INFO(a0, a1, a2, a3, a4, a5)
+
+#define TCL_DTRACE_INST_START_ENABLED() unlikely(TCL_INST_START_ENABLED())
+#define TCL_DTRACE_INST_DONE_ENABLED() unlikely(TCL_INST_DONE_ENABLED())
+#define TCL_DTRACE_INST_START(a0, a1, a2) TCL_INST_START(a0, a1, a2)
+#define TCL_DTRACE_INST_DONE(a0, a1, a2) TCL_INST_DONE(a0, a1, a2)
+
+#define TCL_DTRACE_TCL_PROBE_ENABLED() unlikely(TCL_TCL_PROBE_ENABLED())
+#define TCL_DTRACE_TCL_PROBE(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9) \
+ TCL_TCL_PROBE(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)
+
+MODULE_SCOPE void TclDTraceInfo(Tcl_Obj *info, char **args, int *argsi);
+
+#else /* USE_DTRACE */
+
+#define TCL_DTRACE_PROC_ENTRY_ENABLED() 0
+#define TCL_DTRACE_PROC_RETURN_ENABLED() 0
+#define TCL_DTRACE_PROC_RESULT_ENABLED() 0
+#define TCL_DTRACE_PROC_ARGS_ENABLED() 0
+#define TCL_DTRACE_PROC_INFO_ENABLED() 0
+#define TCL_DTRACE_PROC_ENTRY(a0, a1, a2) {}
+#define TCL_DTRACE_PROC_RETURN(a0, a1) {}
+#define TCL_DTRACE_PROC_RESULT(a0, a1, a2, a3) {}
+#define TCL_DTRACE_PROC_ARGS(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9) {}
+#define TCL_DTRACE_PROC_INFO(a0, a1, a2, a3, a4, a5) {}
+
+#define TCL_DTRACE_CMD_ENTRY_ENABLED() 0
+#define TCL_DTRACE_CMD_RETURN_ENABLED() 0
+#define TCL_DTRACE_CMD_RESULT_ENABLED() 0
+#define TCL_DTRACE_CMD_ARGS_ENABLED() 0
+#define TCL_DTRACE_CMD_INFO_ENABLED() 0
+#define TCL_DTRACE_CMD_ENTRY(a0, a1, a2) {}
+#define TCL_DTRACE_CMD_RETURN(a0, a1) {}
+#define TCL_DTRACE_CMD_RESULT(a0, a1, a2, a3) {}
+#define TCL_DTRACE_CMD_ARGS(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9) {}
+#define TCL_DTRACE_CMD_INFO(a0, a1, a2, a3, a4, a5) {}
+
+#define TCL_DTRACE_INST_START_ENABLED() 0
+#define TCL_DTRACE_INST_DONE_ENABLED() 0
+#define TCL_DTRACE_INST_START(a0, a1, a2) {}
+#define TCL_DTRACE_INST_DONE(a0, a1, a2) {}
+
+#define TCL_DTRACE_TCL_PROBE_ENABLED() 0
+#define TCL_DTRACE_TCL_PROBE(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9) {}
+
+#define TclDTraceInfo(info, args, argsi) {*args = ""; *argsi = 0;}
+
+#endif /* USE_DTRACE */
+
#endif /* _TCLCOMPILATION */
/*