1 files changed, 112 insertions, 0 deletions
diff --git a/ddb/tr.h b/ddb/tr.h
new file mode 100644
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--- /dev/null
+++ b/ddb/tr.h
@@ -0,0 +1,112 @@
+/*
+ * (c) Copyright 1992, 1993, 1994, 1995 OPEN SOFTWARE FOUNDATION, INC. 
+ * ALL RIGHTS RESERVED 
+ */
+/*
+ * OSF RI nmk19b2 5/2/95
+ */
+
+/*
+ *	File:		ddb/tr.h
+ *	Author:		Alan Langerman, Jeffrey Heller
+ *	Date:		1992
+ *
+ *	Internal trace routines.  Like old-style XPRs but
+ *	less formatting.
+ */
+
+#include <mach_assert.h>
+#include <mach_tr.h>
+
+/*
+ *	Originally, we only wanted tracing when
+ *	MACH_TR and MACH_ASSERT were turned on
+ *	together.  Now, there's no reason why
+ *	MACH_TR and MACH_ASSERT can't be completely
+ *	orthogonal.
+ */
+#define	TRACE_BUFFER	(MACH_TR)
+
+/*
+ *	Log events in a circular trace buffer for future debugging.
+ *	Events are unsigned integers.  Each event has a descriptive
+ *	message.
+ *
+ *	TR_DECL must be used at the beginning of a routine using
+ *	one of the tr calls.  The macro should be passed the name
+ *	of the function surrounded by quotation marks, e.g.,
+ *		TR_DECL("netipc_recv_intr");
+ *	and should be terminated with a semi-colon.  The TR_DECL
+ *	must be the *last* declaration in the variable declaration
+ *	list, or syntax errors will be introduced when TRACE_BUFFER
+ *	is turned off.
+ */
+#ifndef	_DDB_TR_H_
+#define	_DDB_TR_H_
+
+#if	TRACE_BUFFER
+
+#include <machine/db_machdep.h>
+
+#define	__ui__			(unsigned int)
+#define	TR_INIT()		tr_init()
+#define TR_SHOW(a,b,c)		show_tr((a),(b),(c))
+#define	TR_DECL(funcname)	char	*__ntr_func_name__ = funcname
+#define	tr1(msg)							\
+	tr(__ntr_func_name__, __FILE__, __LINE__, (msg),		\
+		0,0,0,0)
+#define	tr2(msg,tag1)							\
+	tr(__ntr_func_name__, __FILE__, __LINE__, (msg),		\
+		__ui__(tag1),0,0,0)
+#define	tr3(msg,tag1,tag2)						\
+	tr(__ntr_func_name__, __FILE__, __LINE__, (msg),		\
+		__ui__(tag1),__ui__(tag2),0,0)
+#define	tr4(msg,tag1,tag2,tag3)						\
+	tr(__ntr_func_name__, __FILE__, __LINE__, (msg),		\
+		__ui__(tag1),__ui__(tag2),__ui__(tag3),0)
+#define	tr5(msg,tag1,tag2,tag3,tag4)					\
+	tr(__ntr_func_name__, __FILE__, __LINE__, (msg),		\
+		__ui__(tag1),__ui__(tag2),__ui__(tag3),__ui__(tag4))
+
+/*
+ *	Adjust tr log indentation based on function
+ *	call graph; this method is quick-and-dirty
+ *	and only works safely on a uniprocessor.
+ */
+extern int tr_indent;
+#define	tr_start()	tr_indent++
+#define tr_stop()	tr_indent--
+
+extern void	tr_init(void);
+extern void	tr(
+			char		*funcname,
+			char		*file,
+			unsigned int	lineno,
+			char		*fmt,
+			unsigned int	tag1,
+		   	unsigned int	tag2,
+			unsigned int	tag3,
+			unsigned int	tag4);
+
+extern void db_show_tr(
+			db_expr_t	addr,
+			boolean_t	have_addr,
+			db_expr_t	count,
+			char *		modif);
+
+#else	/* TRACE_BUFFER */
+
+#define	TR_INIT()
+#define TR_SHOW(a,b,c)
+#define	TR_DECL(funcname)
+#define tr1(msg)
+#define tr2(msg, tag1)
+#define tr3(msg, tag1, tag2)
+#define tr4(msg, tag1, tag2, tag3)
+#define tr5(msg, tag1, tag2, tag3, tag4)
+#define	tr_start()
+#define tr_stop()
+
+#endif	/* TRACE_BUFFER */
+
+#endif	/* _DDB_TR_H_ */