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annotate packages/infra/current/cdl/debug.cdl @ 171:42f843b391aa

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Merge from eCos master repository on 2001-07-18-03:13:25-BST
author jlarmour
date Wed, 18 Jul 2001 11:38:39 +0000
parents 435cced73e2f
children e0c0827131d1
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435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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1 # ====================================================================
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2 #
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3 # debug.cdl
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4 #
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5 # Infrastructure debugging configuration data
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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): jskov
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35 # Original data: bartv,hmt
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36 # Contributors:
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37 # Date: 1999-07-02
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38 #
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39 #####DESCRIPTIONEND####
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40 #
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41 # ====================================================================
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42
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43 # If global debugging is enabled then by default all assertions
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44 # are enabled. Tracing is not enabled by default because it
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45 # involves excessive overheads, for example on some targets
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46 # it requires sending a string down a serial line for every
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47 # function call. Both assertions and tracing are controlled
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48 # by the following lines.
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49
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50 cdl_component CYGDBG_USE_ASSERTS {
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51 display "Use asserts"
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52 default_value 1
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53 requires { 1 == CYGINT_INFRA_DEBUG_TRACE_IMPL }
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54 description "
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55 If this option is defined, asserts in the code are tested.
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56 Assert functions (CYG_ASSERT()) are defined in
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57 'include/cyg/infra/cyg_ass.h' within the 'install' tree.
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58 If it is not defined, these result in no additional
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59 object code and no checking of the asserted conditions."
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60
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61 script assert.cdl
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62 }
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63
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64 cdl_component CYGDBG_USE_TRACING {
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65 display "Use tracing"
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66 default_value 0
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67 requires { 1 == CYGINT_INFRA_DEBUG_TRACE_IMPL }
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68 description "
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69 If this option is defined, tracing operations
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70 result in output or logging, depending on other options.
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71 This may have adverse effects on performance, if the time
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72 taken to output message overwhelms the available CPU
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73 power or output bandwidth.
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74 Trace functions (CYG_TRACE()) are defined in
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75 'include/cyg/infra/cyg_trac.h' within the 'install' tree.
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76 If it is not defined, these result in no additional
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77 object code and no trace information."
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78
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79
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80 # The eCos system uses two types of tracing mechanisms. The most common
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81 # type traces events, for example an event could be logged whenever
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82 # an interrupt occurs or whenever a context switch takes place. The
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83 # second type of tracing mechanism records every function entry and
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84 # exit. It is possible to disable this second type of tracing while
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85 # leaving the main tracing facility enabled.
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86 cdl_option CYGDBG_INFRA_DEBUG_FUNCTION_REPORTS {
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87 display "Trace function reports"
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88 default_value 1
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89 description "
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90 This option allows individual control of
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91 function entry/exit tracing, independent of
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92 more general tracing output.
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93 This may be useful to remove clutter from a
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94 trace log."
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95 }
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96
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97 cdl_option CYGDBG_INFRA_DEBUG_TRACE_MESSAGE {
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98 display "Use trace text"
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99 default_value 1
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100 description "
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101 All trace calls within eCos contain a text message
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102 which should give some information about the circumstances.
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103 These text messages will end up being embedded in the
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104 application image and hence there is a significant penalty
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105 in terms of image size.
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106 It is possible to suppress the use of these messages by
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107 disabling this option.
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108 This results in smaller code size, but there is less
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109 human-readable information available in the trace output,
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110 possibly only filenames and line numbers."
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111 }
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112 }
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113
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114 cdl_interface CYGINT_INFRA_DEBUG_TRACE_IMPL {
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115 display "Trace output implementations"
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116 }
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117
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118 cdl_option CYGDBG_INFRA_DEBUG_TRACE_ASSERT_NULL {
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119 display "Null output"
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120 default_value 0
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121 implements CYGINT_INFRA_DEBUG_TRACE_IMPL
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122 description "
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123 A null output module which is useful when
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124 debugging interactively; the output routines
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125 can be breakpointed rather than have them actually
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126 'print' something."
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127 }
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128 cdl_option CYGDBG_INFRA_DEBUG_TRACE_ASSERT_SIMPLE {
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129 display "Simple output"
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130 default_value 0
171
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131 implements CYGINT_INFRA_DEBUG_TRACE_IMPL
76
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132 description "
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133 An output module which produces simple output
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134 from tracing and assertion events."
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135 }
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136 cdl_option CYGDBG_INFRA_DEBUG_TRACE_ASSERT_FANCY {
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137 display "Fancy output"
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138 default_value 0
171
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139 implements CYGINT_INFRA_DEBUG_TRACE_IMPL
76
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140 description "
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141 An output module which produces fancy output
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142 from tracing and assertion events."
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143 }
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144 cdl_component CYGDBG_INFRA_DEBUG_TRACE_ASSERT_BUFFER {
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145 display "Buffered tracing"
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146 default_value 1
171
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147 implements CYGINT_INFRA_DEBUG_TRACE_IMPL
76
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148 description "
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149 An output module which buffers output
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150 from tracing and assertion events. The stored
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151 messages are output when an assert fires, or
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152 CYG_TRACE_PRINT() (defined in <cyg/infra/cyg_trac.h>)
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153 is called.
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154 Of course, there will only be stored messages
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155 if tracing per se (CYGDBG_USE_TRACING)
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156 is enabled above."
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157
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158 cdl_option CYGDBG_INFRA_DEBUG_TRACE_BUFFER_SIZE {
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159 display "Trace buffer size"
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160 flavor data
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161 active_if CYGDBG_USE_TRACING
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162 default_value 32
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163 legal_values 5 to 65535
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164 description "
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165 The size of the trace buffer. This counts the number
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166 of trace records stored. When the buffer fills it
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167 either wraps, stops recording, or generates output."
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168 }
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169 # FIXME: The below options should be mutually exclusive.
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170 cdl_option CYGDBG_INFRA_DEBUG_TRACE_BUFFER_WRAP {
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171 display "Wrap trace buffer when full"
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172 active_if CYGDBG_USE_TRACING
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173 default_value 1
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174 # type radio
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175 description "
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176 When the trace buffer has filled with records it
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177 starts again at the beginning. Hence only the last
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178 CYGDBG_INFRA_DEBUG_TRACE_BUFFER_SIZE messages will
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179 be recorded."
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180 }
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181 cdl_option CYGDBG_INFRA_DEBUG_TRACE_BUFFER_HALT {
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182 display "Halt trace buffer when full"
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183 active_if CYGDBG_USE_TRACING
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184 default_value 0
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185 # type radio
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186 description "
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187 When the trace buffer has filled with records it
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188 stops recording. Hence only the first
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189 CYGDBG_INFRA_DEBUG_TRACE_BUFFER_SIZE messages will
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190 be recorded."
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191 }
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192 cdl_option CYGDBG_INFRA_DEBUG_TRACE_BUFFER_PRINT {
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193 display "Print trace buffer when full"
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194 active_if CYGDBG_USE_TRACING
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195 default_value 0
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196 # type radio
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197 description "
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198 When the trace buffer has filled with records it
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199 prints the contents of the buffer. The buffer is then
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200 emptied and the system continues."
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201 }
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202 cdl_option CYGDBG_INFRA_DEBUG_TRACE_BUFFER_PRINT_ON_ASSERT {
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203 display "Print trace buffer on assert fail"
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204 active_if CYGDBG_USE_TRACING
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205 default_value 1
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206 description "
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207 When an assertion fails the trace buffer will be
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208 printed to the default diagnostic device."
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209 }
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210 }
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211
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212 cdl_option CYGDBG_INFRA_DEBUG_FUNCTION_PSEUDOMACRO {
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213 display "Use function names"
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214 default_value 1
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215 description "
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216 All trace and assert calls within eCos contain a
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217 reference to the builtin macro '__PRETTY_FUNCTION__',
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218 which evaluates to a string containing
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219 the name of the current function.
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220 This is useful when reading a trace log.
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221 It is possible to suppress the use of the function name
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222 by disabling this option.
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223 This results in smaller code size, but there is less
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224 human-readable information available in the trace output,
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225 possibly only filenames and line numbers."
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226 }