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annotate packages/infra/current/src/null.cxx @ 66:bf00f99aec69 ecos-sw-2000-02-02

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Merge from eCos master repository on 2000-02-02-19:16:44-GMT
author jlarmour
date Wed, 02 Feb 2000 19:57:02 +0000
parents c38311975d4f
children c5536bad4c24
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1 //==========================================================================
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2 //
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3 // null.cxx
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4 //
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5 // Null trace and assert functions
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6 //
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7 //==========================================================================
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8 //####COPYRIGHTBEGIN####
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9 //
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10 // -------------------------------------------
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11 // The contents of this file are subject to the Red Hat eCos Public License
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12 // Version 1.1 (the "License"); you may not use this file except in
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13 // compliance with the License. You may obtain a copy of the License at
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14 // http://www.redhat.com/
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15 //
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16 // Software distributed under the License is distributed on an "AS IS"
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17 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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18 // License for the specific language governing rights and limitations under
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19 // the License.
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20 //
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21 // The Original Code is eCos - Embedded Configurable Operating System,
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22 // released September 30, 1998.
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23 //
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24 // The Initial Developer of the Original Code is Red Hat.
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25 // Portions created by Red Hat are
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26 // Copyright (C) 1998, 1999, 2000 Red Hat, Inc.
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27 // All Rights Reserved.
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28 // -------------------------------------------
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29 //
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30 //####COPYRIGHTEND####
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31 //==========================================================================
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32 //#####DESCRIPTIONBEGIN####
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33 //
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34 // Author(s): nickg
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35 // Contributors: nickg
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36 // Date: 1997-09-15
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37 // Purpose: Trace and assert functions
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38 // Description: The functions in this file are null implementations of the
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39 // standard trace and assert functions. These can be used to
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40 // eliminate all trace and assert messages without recompiling.
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41 //
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42 //####DESCRIPTIONEND####
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43 //
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44 //==========================================================================
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45
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46 #include <pkgconf/infra.h>
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47
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48 #ifndef CYGDBG_USE_ASSERTS
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49 // then you get an empty function regardless, so that other code can link:
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50 // (for example libc assert() calls this whether or not eCos code has
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51 // asserts enabled - of course if it does, assert() maps to the chosen
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52 // implementation; if not, it's the same inner function to breakpoint.)
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53
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54 #include <cyg/infra/cyg_type.h> // base types
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55 #include <cyg/infra/cyg_trac.h> // tracing macros
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56 #include <cyg/infra/cyg_ass.h> // assertion macros
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57
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58 externC void
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59 cyg_assert_fail( const char *psz_func, const char *psz_file,
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60 cyg_uint32 linenum, const char *psz_msg )
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61 {
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62 for(;;);
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63 };
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64 #endif // not CYGDBG_USE_ASSERTS
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65
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66 #ifdef CYGDBG_INFRA_DEBUG_TRACE_ASSERT_NULL
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67
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68 #include <cyg/infra/cyg_type.h> // base types
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69 #include <cyg/infra/cyg_trac.h> // tracing macros
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70 #include <cyg/infra/cyg_ass.h> // assertion macros
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71
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72 // -------------------------------------------------------------------------
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73 // Trace functions:
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74
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75 #ifdef CYGDBG_USE_TRACING
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76
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77 externC void
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78 cyg_tracenomsg( char *psz_func, char *psz_file, cyg_uint32 linenum )
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79 {}
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80
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81 // provide every other one of these as a space/caller bloat compromise.
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82
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83 externC void
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84 cyg_tracemsg( cyg_uint32 what,
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85 char *psz_func, char *psz_file, cyg_uint32 linenum,
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86 char *psz_msg )
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87 {}
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88
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89 externC void
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90 cyg_tracemsg2( cyg_uint32 what,
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91 char *psz_func, char *psz_file, cyg_uint32 linenum,
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92 char *psz_msg,
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93 CYG_ADDRWORD arg0, CYG_ADDRWORD arg1 )
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94 {}
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95 externC void
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96 cyg_tracemsg4( cyg_uint32 what,
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97 char *psz_func, char *psz_file, cyg_uint32 linenum,
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98 char *psz_msg,
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99 CYG_ADDRWORD arg0, CYG_ADDRWORD arg1,
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100 CYG_ADDRWORD arg2, CYG_ADDRWORD arg3 )
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101 {}
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102 externC void
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103 cyg_tracemsg6( cyg_uint32 what,
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104 char *psz_func, char *psz_file, cyg_uint32 linenum,
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105 char *psz_msg,
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106 CYG_ADDRWORD arg0, CYG_ADDRWORD arg1,
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107 CYG_ADDRWORD arg2, CYG_ADDRWORD arg3,
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108 CYG_ADDRWORD arg4, CYG_ADDRWORD arg5 )
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109 {}
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110 externC void
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111 cyg_tracemsg8( cyg_uint32 what,
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112 char *psz_func, char *psz_file, cyg_uint32 linenum,
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113 char *psz_msg,
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114 CYG_ADDRWORD arg0, CYG_ADDRWORD arg1,
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115 CYG_ADDRWORD arg2, CYG_ADDRWORD arg3,
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116 CYG_ADDRWORD arg4, CYG_ADDRWORD arg5,
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117 CYG_ADDRWORD arg6, CYG_ADDRWORD arg7 )
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118 {}
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119
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120 #endif // CYGDBG_USE_TRACING
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121
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122 // -------------------------------------------------------------------------
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123 // Assert functions:
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124
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125 #ifdef CYGDBG_USE_ASSERTS
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126
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127 externC void
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128 cyg_assert_fail( const char *psz_func, const char *psz_file,
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129 cyg_uint32 linenum, const char *psz_msg )
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130 {
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131 for(;;);
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132 };
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133
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134 extern "C"
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135 {
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136 extern unsigned long CYG_LABEL_NAME(stext);
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137 extern unsigned long CYG_LABEL_NAME(etext);
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138
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139 unsigned long stext_addr = (unsigned long)&CYG_LABEL_NAME(stext);
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140 unsigned long etext_addr = (unsigned long)&CYG_LABEL_NAME(etext);
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141 };
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142
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143 externC cyg_bool cyg_check_data_ptr(void *ptr)
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144 {
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145 unsigned long p = (unsigned long)ptr;
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146
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147 if( p == 0 ) return false;
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148
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149 if( p > stext_addr && p < etext_addr ) return false;
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150
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151 return true;
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152 }
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153
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154 externC cyg_bool cyg_check_func_ptr(void (*ptr)(void))
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155 {
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156 unsigned long p = (unsigned long)ptr;
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157
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158 if( p == 0 ) return false;
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159
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160 if( p < stext_addr && p > etext_addr ) return false;
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161
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162 return true;
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163 }
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164
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165 #endif // CYGDBG_USE_ASSERTS
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166
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167 #endif // CYGDBG_INFRA_DEBUG_TRACE_ASSERT_NULL
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168
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169 // -------------------------------------------------------------------------
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170 // EOF null.cxx