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1.1 root 1: /*
2: * (c) Copyright 1992, 1993, 1994, 1995 OPEN SOFTWARE FOUNDATION, INC.
3: * ALL RIGHTS RESERVED
4: */
5: /*
6: * OSF RI nmk19b2 5/2/95
7: */
8:
9: /*
10: * File: ddb/tr.h
11: * Author: Alan Langerman, Jeffrey Heller
12: * Date: 1992
13: *
14: * Internal trace routines. Like old-style XPRs but
15: * less formatting.
16: */
17:
1.1.1.2 ! root 18: #ifndef NDEBUG
! 19: #define MACH_ASSERT 1
! 20: #else
! 21: #define MACH_ASSERT 0
! 22: #endif
! 23:
1.1 root 24: #include <mach_tr.h>
25:
26: /*
27: * Originally, we only wanted tracing when
28: * MACH_TR and MACH_ASSERT were turned on
29: * together. Now, there's no reason why
30: * MACH_TR and MACH_ASSERT can't be completely
31: * orthogonal.
32: */
33: #define TRACE_BUFFER (MACH_TR)
34:
35: /*
36: * Log events in a circular trace buffer for future debugging.
37: * Events are unsigned integers. Each event has a descriptive
38: * message.
39: *
40: * TR_DECL must be used at the beginning of a routine using
41: * one of the tr calls. The macro should be passed the name
42: * of the function surrounded by quotation marks, e.g.,
43: * TR_DECL("netipc_recv_intr");
44: * and should be terminated with a semi-colon. The TR_DECL
45: * must be the *last* declaration in the variable declaration
46: * list, or syntax errors will be introduced when TRACE_BUFFER
47: * is turned off.
48: */
49: #ifndef _DDB_TR_H_
50: #define _DDB_TR_H_
51:
52: #if TRACE_BUFFER
53:
54: #include <machine/db_machdep.h>
55:
56: #define __ui__ (unsigned int)
57: #define TR_INIT() tr_init()
58: #define TR_SHOW(a,b,c) show_tr((a),(b),(c))
59: #define TR_DECL(funcname) char *__ntr_func_name__ = funcname
60: #define tr1(msg) \
61: tr(__ntr_func_name__, __FILE__, __LINE__, (msg), \
62: 0,0,0,0)
63: #define tr2(msg,tag1) \
64: tr(__ntr_func_name__, __FILE__, __LINE__, (msg), \
65: __ui__(tag1),0,0,0)
66: #define tr3(msg,tag1,tag2) \
67: tr(__ntr_func_name__, __FILE__, __LINE__, (msg), \
68: __ui__(tag1),__ui__(tag2),0,0)
69: #define tr4(msg,tag1,tag2,tag3) \
70: tr(__ntr_func_name__, __FILE__, __LINE__, (msg), \
71: __ui__(tag1),__ui__(tag2),__ui__(tag3),0)
72: #define tr5(msg,tag1,tag2,tag3,tag4) \
73: tr(__ntr_func_name__, __FILE__, __LINE__, (msg), \
74: __ui__(tag1),__ui__(tag2),__ui__(tag3),__ui__(tag4))
75:
76: /*
77: * Adjust tr log indentation based on function
78: * call graph; this method is quick-and-dirty
79: * and only works safely on a uniprocessor.
80: */
81: extern int tr_indent;
82: #define tr_start() tr_indent++
83: #define tr_stop() tr_indent--
84:
85: extern void tr_init(void);
86: extern void tr(
87: char *funcname,
88: char *file,
89: unsigned int lineno,
90: char *fmt,
91: unsigned int tag1,
92: unsigned int tag2,
93: unsigned int tag3,
94: unsigned int tag4);
95:
96: extern void db_show_tr(
97: db_expr_t addr,
98: boolean_t have_addr,
99: db_expr_t count,
100: char * modif);
101:
102: #else /* TRACE_BUFFER */
103:
104: #define TR_INIT()
105: #define TR_SHOW(a,b,c)
106: #define TR_DECL(funcname)
107: #define tr1(msg)
108: #define tr2(msg, tag1)
109: #define tr3(msg, tag1, tag2)
110: #define tr4(msg, tag1, tag2, tag3)
111: #define tr5(msg, tag1, tag2, tag3, tag4)
112: #define tr_start()
113: #define tr_stop()
114:
115: #endif /* TRACE_BUFFER */
116:
117: #endif /* _DDB_TR_H_ */
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