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/*
* (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_ */
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