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comparison packages/infra/current/src/null.cxx @ 0:3111d98ba7b3 ecos-v1_1-release

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Initial commit of eCos version 1.1
author jlarmour
date Tue, 11 May 1999 11:16:07 +0000
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children 443894e2e912
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-1:000000000000 0:3111d98ba7b3
1 //==========================================================================
2 //
3 // null.cxx
4 //
5 // Null trace and assert functions
6 //
7 //==========================================================================
8 //####COPYRIGHTBEGIN####
9 //
10 // -------------------------------------------
11 // The contents of this file are subject to the Cygnus eCos Public License
12 // Version 1.0 (the "License"); you may not use this file except in
13 // compliance with the License. You may obtain a copy of the License at
14 // http://sourceware.cygnus.com/ecos
15 //
16 // Software distributed under the License is distributed on an "AS IS"
17 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
18 // License for the specific language governing rights and limitations under
19 // the License.
20 //
21 // The Original Code is eCos - Embedded Cygnus Operating System, released
22 // September 30, 1998.
23 //
24 // The Initial Developer of the Original Code is Cygnus. Portions created
25 // by Cygnus are Copyright (C) 1998 Cygnus Solutions. All Rights Reserved.
26 // -------------------------------------------
27 //
28 //####COPYRIGHTEND####
29 //==========================================================================
30 //#####DESCRIPTIONBEGIN####
31 //
32 // Author(s): nickg
33 // Contributors: nickg
34 // Date: 1997-09-15
35 // Purpose: Trace and assert functions
36 // Description: The functions in this file are null implementations of the
37 // standard trace and assert functions. These can be used to
38 // eliminate all trace and assert messages without recompiling.
39 //
40 //####DESCRIPTIONEND####
41 //
42 //==========================================================================
43
44 #include <pkgconf/infra.h>
45
46 #ifndef CYGDBG_USE_ASSERTS
47 // then you get an empty function regardless, so that other code can link:
48 // (for example libc assert() calls this whether or not eCos code has
49 // asserts enabled - of course if it does, assert() maps to the chosen
50 // implementation; if not, it's the same inner function to breakpoint.)
51
52 #include <cyg/infra/cyg_type.h> // base types
53 #include <cyg/infra/cyg_trac.h> // tracing macros
54 #include <cyg/infra/cyg_ass.h> // assertion macros
55
56 externC void
57 cyg_assert_fail( char *psz_func, char *psz_file, cyg_uint32 linenum,
58 char *psz_msg )
59 {
60 for(;;);
61 };
62 #endif // not CYGDBG_USE_ASSERTS
63
64 #ifdef CYGDBG_INFRA_DEBUG_TRACE_ASSERT_NULL
65
66 #include <cyg/infra/cyg_type.h> // base types
67 #include <cyg/infra/cyg_trac.h> // tracing macros
68 #include <cyg/infra/cyg_ass.h> // assertion macros
69
70 // -------------------------------------------------------------------------
71 // Trace functions:
72
73 #ifdef CYGDBG_USE_TRACING
74
75 externC void
76 cyg_tracenomsg( char *psz_func, char *psz_file, cyg_uint32 linenum )
77 {}
78
79 // provide every other one of these as a space/caller bloat compromise.
80
81 externC void
82 cyg_tracemsg( cyg_uint32 what,
83 char *psz_func, char *psz_file, cyg_uint32 linenum,
84 char *psz_msg )
85 {}
86
87 externC void
88 cyg_tracemsg2( cyg_uint32 what,
89 char *psz_func, char *psz_file, cyg_uint32 linenum,
90 char *psz_msg,
91 CYG_ADDRWORD arg0, CYG_ADDRWORD arg1 )
92 {}
93 externC void
94 cyg_tracemsg4( cyg_uint32 what,
95 char *psz_func, char *psz_file, cyg_uint32 linenum,
96 char *psz_msg,
97 CYG_ADDRWORD arg0, CYG_ADDRWORD arg1,
98 CYG_ADDRWORD arg2, CYG_ADDRWORD arg3 )
99 {}
100 externC void
101 cyg_tracemsg6( cyg_uint32 what,
102 char *psz_func, char *psz_file, cyg_uint32 linenum,
103 char *psz_msg,
104 CYG_ADDRWORD arg0, CYG_ADDRWORD arg1,
105 CYG_ADDRWORD arg2, CYG_ADDRWORD arg3,
106 CYG_ADDRWORD arg4, CYG_ADDRWORD arg5 )
107 {}
108 externC void
109 cyg_tracemsg8( cyg_uint32 what,
110 char *psz_func, char *psz_file, cyg_uint32 linenum,
111 char *psz_msg,
112 CYG_ADDRWORD arg0, CYG_ADDRWORD arg1,
113 CYG_ADDRWORD arg2, CYG_ADDRWORD arg3,
114 CYG_ADDRWORD arg4, CYG_ADDRWORD arg5,
115 CYG_ADDRWORD arg6, CYG_ADDRWORD arg7 )
116 {}
117
118 #endif // CYGDBG_USE_TRACING
119
120 // -------------------------------------------------------------------------
121 // Assert functions:
122
123 #ifdef CYGDBG_USE_ASSERTS
124
125 externC void
126 cyg_assert_fail( char *psz_func, char *psz_file, cyg_uint32 linenum,
127 char *psz_msg )
128 {
129 for(;;);
130 };
131
132 extern "C"
133 {
134 extern unsigned long CYG_LABEL_NAME(stext);
135 extern unsigned long CYG_LABEL_NAME(etext);
136
137 unsigned long stext_addr = (unsigned long)&CYG_LABEL_NAME(stext);
138 unsigned long etext_addr = (unsigned long)&CYG_LABEL_NAME(etext);
139 };
140
141 externC cyg_bool cyg_check_data_ptr(void *ptr)
142 {
143 unsigned long p = (unsigned long)ptr;
144
145 if( p == 0 ) return false;
146
147 if( p > stext_addr && p < etext_addr ) return false;
148
149 return true;
150 }
151
152 externC cyg_bool cyg_check_func_ptr(void (*ptr)(void))
153 {
154 unsigned long p = (unsigned long)ptr;
155
156 if( p == 0 ) return false;
157
158 if( p < stext_addr && p > etext_addr ) return false;
159
160 return true;
161 }
162
163 #endif // CYGDBG_USE_ASSERTS
164
165 #endif // CYGDBG_INFRA_DEBUG_TRACE_ASSERT_NULL
166
167 // -------------------------------------------------------------------------
168 // EOF null.cxx