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macros.h
1 
5 /*
6  * (c) 2000-2009 Adam Lackorzynski <adam@os.inf.tu-dresden.de>,
7  * Frank Mehnert <fm3@os.inf.tu-dresden.de>,
8  * Lars Reuther <reuther@os.inf.tu-dresden.de>
9  * economic rights: Technische Universität Dresden (Germany)
10  * This file is part of TUD:OS and distributed under the terms of the
11  * GNU Lesser General Public License 2.1.
12  * Please see the COPYING-LGPL-2.1 file for details.
13  */
14 /*****************************************************************************/
15 /*****************************************************************************/
16 #ifndef _L4UTIL_MACROS_H
17 #define _L4UTIL_MACROS_H
18 
19 /* L4 includes */
20 #include <l4/sys/types.h>
21 #include <l4/sys/kdebug.h>
22 #include <l4/util/l4_macros.h>
23 
24 /*****************************************************************************
25  *** generic macros
26  *****************************************************************************/
27 
28 #ifdef ___________MOVED_TO_LOG_PKG
29 
30 /* print message and enter kernel debugger */
31 #ifndef Panic
32 
33 // Don't include <stdlib.h> here, leads to trouble.
34 // Don't use exit() here since we want to terminate ASAP.
35 // We might be executed in context of the region manager.
36 EXTERN_C_BEGIN
37 void _exit(int status) __attribute__ ((__noreturn__));
38 EXTERN_C_END
39 
40 # ifdef L4BID_RELEASE_MODE
41 # define Panic(args...) do \
42  { \
43  LOG(args); \
44  LOG_flush(); \
45  _exit(-1); \
46  } \
47  while (1)
48 # else
49 # define Panic(args...) do \
50  { \
51  LOG(args); \
52  LOG_flush(); \
53  enter_kdebug("PANIC, 'g' for exit");\
54  _exit(-1); \
55  } \
56  while (1)
57 # endif
58 #endif
59 
60 /* assertion */
61 #ifndef Assert
62 # define Assert(expr) do \
63  { \
64  if (!(expr)) \
65  { \
66  LOG_printf(#expr "\n"); \
67  Panic("Assertion failed"); \
68  } \
69  } \
70  while (0)
71 #endif
72 
73 /* enter kernel debugger */
74 #ifndef Kdebug
75 # define Kdebug(args...) do \
76  { \
77  LOG(args); \
78  LOG_flush(); \
79  enter_kdebug("KD"); \
80  } \
81  while (0)
82 #endif
83 #endif
84 
85 /*****************************************************************************
86  *** debug stuff (to be removed, use LOG* macros instead!)
87  *****************************************************************************/
88 
89 /* we use our own debug macros */
90 #ifdef KDEBUG
91 # undef KDEBUG
92 #endif
93 #ifdef ASSERT
94 # undef ASSERT
95 #endif
96 #ifdef PANIC
97 # undef PANIC
98 #endif
99 
100 #ifdef DEBUG
101 
102 #define KDEBUG(args...) do \
103  { \
104  LOGl(args); \
105  LOG_flush(); \
106  enter_kdebug("KD"); \
107  } \
108  while (0)
109 
110 #ifdef DEBUG_ASSERTIONS
111 # define ASSERT(expr) Assert(expr)
112 #else
113 # define ASSERT(expr) do {} while (0)
114 #endif
115 
116 #ifdef DEBUG_ERRORS
117 # define PANIC(format, args...) Panic(format, ## args)
118 #else
119 # define PANIC(args...) do {} while (0)
120 #endif
121 
122 #else /* !DEBUG */
123 
124 #define KDEBUG(args...) do {} while (0)
125 #define ASSERT(expr) do {} while (0)
126 #define PANIC(args...) do {} while (0)
127 
128 #endif /* !DEBUG */
129 
130 #endif /* !_L4UTIL_MACROS_H */
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