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398
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1 # -*- ksh -*-
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2 # Copyright (C) 1998 Free Software Foundation, Inc.
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3
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4 # This file is part of XEmacs.
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5
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6 # XEmacs is free software; you can redistribute it and/or modify it
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7 # under the terms of the GNU General Public License as published by the
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8 # Free Software Foundation; either version 2, or (at your option) any
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9 # later version.
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10
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11 # XEmacs is distributed in the hope that it will be useful, but WITHOUT
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12 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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13 # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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14 # for more details.
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15
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16 # You should have received a copy of the GNU General Public License
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17 # along with XEmacs; see the file COPYING. If not, write to
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18 # the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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19 # Boston, MA 02111-1307, USA.
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20
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21 # Author: Martin Buchholz
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22
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23 # Some useful commands for debugging emacs with gdb 4.16 or better.
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24 #
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25 # Since this file is called `.gdbinit', it will be read by gdb
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26 # automatically when gdb is run in the build directory, which is where
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27 # developers usually debug their xemacs. You can also source this
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28 # file from your ~/.gdbinit, if you like.
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29 #
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30 # Configure xemacs with --debug, and compile with -g.
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31 #
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32 # See also the question of the XEmacs FAQ, titled
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33 # "How to Debug an XEmacs problem with a debugger".
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34 #
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35 # This can be used to debug XEmacs no matter how the following are
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36 # specified:
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37
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38 # USE_UNION_TYPE
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39
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40 # (the above all have configure equivalents)
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41
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42 # Some functions defined here require a running process, but most
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43 # don't. Considerable effort has been expended to this end.
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44
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45 # See the dbg_ C support code in src/alloc.c that allows the functions
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46 # defined in this file to work correctly.
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47
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48 set print union off
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49 set print pretty off
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50
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400
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51 set $Lisp_Type_Int = -2
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52
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398
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53 define decode_object
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54 set $obj = (unsigned long) $arg0
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55 if $obj & 1
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56 # It's an int
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57 set $val = $obj >> 1
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400
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58 set $type = $Lisp_Type_Int
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398
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59 else
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60 set $type = $obj & dbg_typemask
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61 if $type == Lisp_Type_Char
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62 set $val = ($obj & dbg_valmask) >> dbg_gctypebits
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63 else
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64 # It's a record pointer
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65 set $val = $obj
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66 end
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67 end
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68
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69 if $type == Lisp_Type_Record
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400
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70 set $lheader = ((struct lrecord_header *) $val)
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71 set $lrecord_type = ($lheader->type)
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72 set $imp = lrecord_implementations_table[$lrecord_type]
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398
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73 else
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400
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74 set $lrecord_type = -1
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75 set $lheader = -1
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398
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76 set $imp = -1
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77 end
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78 end
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79
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80 document decode_object
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81 Usage: decode_object lisp_object
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82 Extract implementation information from a Lisp Object.
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83 Defines variables $val, $type and $imp.
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84 end
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85
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86 define xint
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87 decode_object $arg0
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88 print ((long) $val)
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89 end
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90
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91 define xtype
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92 decode_object $arg0
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400
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93 if $type == $Lisp_Type_Int
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398
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94 echo int\n
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95 else
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96 if $type == Lisp_Type_Char
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97 echo char\n
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98 else
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99 printf "record type: %s\n", $imp->name
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100 end
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101 end
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102 end
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103
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104 document xtype
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105 Usage: xtype lisp_object
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106 Print the Lisp type of a lisp object.
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107 end
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108
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109 define lisp-shadows
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110 run -batch -vanilla -f list-load-path-shadows
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111 end
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112
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113 document lisp-shadows
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114 Usage: lisp-shadows
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115 Run xemacs to check for lisp shadows
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116 end
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117
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118 define environment-to-run-temacs
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119 unset env EMACSLOADPATH
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120 set env EMACSBOOTSTRAPLOADPATH=../lisp/:..
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121 set env EMACSBOOTSTRAPMODULEPATH=../modules/:..
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122 end
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123
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124 define run-temacs
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125 environment-to-run-temacs
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126 run -batch -l ../lisp/loadup.el run-temacs -q
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127 end
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128
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129 document run-temacs
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130 Usage: run-temacs
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131 Run temacs interactively, like xemacs.
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132 Use this with debugging tools (like purify) that cannot deal with dumping,
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133 or when temacs builds successfully, but xemacs does not.
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134 end
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135
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136 define check-xemacs
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137 run -batch -l ../tests/automated/test-harness.el -f batch-test-emacs ../tests/automated
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138 end
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139
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140 document check-xemacs
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141 Usage: check-xemacs
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142 Run the test suite. Equivalent to 'make check'.
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143 end
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144
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145 define check-temacs
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146 environment-to-run-temacs
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147 run -batch -l ../lisp/loadup.el run-temacs -q -batch -l ../tests/automated/test-harness.el -f batch-test-emacs ../tests/automated
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148 end
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149
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150 document check-temacs
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151 Usage: check-temacs
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152 Run the test suite on temacs. Equivalent to 'make check-temacs'.
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153 Use this with debugging tools (like purify) that cannot deal with dumping,
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154 or when temacs builds successfully, but xemacs does not.
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155 end
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156
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157 define update-elc
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158 environment-to-run-temacs
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159 run -batch -l ../lisp/update-elc.el
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160 end
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161
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162 document update-elc
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163 Usage: update-elc
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164 Run the core lisp byte compilation part of the build procedure.
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165 Use when debugging temacs, not xemacs!
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166 Use this when temacs builds successfully, but xemacs does not.
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167 end
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168
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169 define dump-temacs
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170 environment-to-run-temacs
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171 run -batch -l ../lisp/loadup.el dump
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172 end
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173
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174 document dump-temacs
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175 Usage: dump-temacs
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176 Run the dumping part of the build procedure.
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177 Use when debugging temacs, not xemacs!
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178 Use this when temacs builds successfully, but xemacs does not.
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179 end
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180
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181 # if you use Purify, do this:
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182 # export PURIFYOPTIONS='-pointer-mask=0x0fffffff'
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183
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184 define ldp
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185 printf "%s", "Lisp => "
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186 call debug_print($arg0)
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187 end
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188
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189 document ldp
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190 Usage: ldp lisp_object
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191 Print a Lisp Object value using the Lisp printer.
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192 Requires a running xemacs process.
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193 end
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194
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195 define lbt
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196 call debug_backtrace()
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197 end
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198
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199 document lbt
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200 Usage: lbt
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201 Print the current Lisp stack trace.
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202 Requires a running xemacs process.
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203 end
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204
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205
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206 define leval
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207 ldp Feval(Fcar(Fread_from_string(build_string($arg0),Qnil,Qnil)))
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208 end
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209
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210 document leval
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211 Usage: leval "SEXP"
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212 Eval a lisp expression.
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213 Requires a running xemacs process.
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214
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215 Example:
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216 (gdb) leval "(+ 1 2)"
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217 Lisp ==> 3
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218 end
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219
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220
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221 define wtype
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222 print $arg0->core.widget_class->core_class.class_name
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223 end
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224
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225 define xtname
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226 print XrmQuarkToString(((Object)($arg0))->object.xrm_name)
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227 end
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228
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229 # GDB's command language makes you want to ...
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230
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400
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231 define ptype
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232 set $type_ptr = ($arg0 *) $val
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233 print $type_ptr
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234 print *$type_ptr
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235 end
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236
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237 define pstructtype
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238 set $type_ptr = (struct $arg0 *) $val
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239 print $type_ptr
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240 print *$type_ptr
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398
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241 end
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242
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243 define pobj
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244 decode_object $arg0
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400
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245 if $type == $Lisp_Type_Int
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398
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246 printf "Integer: %d\n", $val
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247 else
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248 if $type == Lisp_Type_Char
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249 if $val > 32 && $val < 128
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250 printf "Char: %c\n", $val
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251 else
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252 printf "Char: %d\n", $val
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253 end
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254 else
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400
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255 if $lrecord_type == lrecord_type_string
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256 ptype Lisp_String
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398
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257 else
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400
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258 if $lrecord_type == lrecord_type_cons
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259 ptype Lisp_Cons
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398
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260 else
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400
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261 if $lrecord_type == lrecord_type_symbol
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262 ptype Lisp_Symbol
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263 printf "Symbol name: %s\n", $type_ptr->name->data
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398
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264 else
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400
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265 if $lrecord_type == lrecord_type_vector
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266 ptype Lisp_Vector
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267 printf "Vector of length %d\n", $type_ptr->size
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268 #print *($type_ptr->data) @ $type_ptr->size
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398
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269 else
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400
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270 if $lrecord_type == lrecord_type_bit_vector
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271 ptype Lisp_Bit_Vector
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398
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272 else
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400
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273 if $lrecord_type == lrecord_type_buffer
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274 pstructtype buffer
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398
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275 else
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400
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276 if $lrecord_type == lrecord_type_char_table
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277 ptype Lisp_Char_Table
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398
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278 else
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400
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279 if $lrecord_type == lrecord_type_char_table_entry
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280 ptype Lisp_Char_Table_Entry
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398
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281 else
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400
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282 if $lrecord_type == lrecord_type_charset
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283 ptype Lisp_Charset
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284 else
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285 if $lrecord_type == lrecord_type_coding_system
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286 ptype Lisp_Coding_System
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398
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287 else
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400
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288 if $lrecord_type == lrecord_type_color_instance
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289 ptype Lisp_Color_Instance
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398
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290 else
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400
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291 if $lrecord_type == lrecord_type_command_builder
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292 ptype command_builder
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398
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293 else
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400
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294 if $lrecord_type == lrecord_type_compiled_function
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295 ptype Lisp_Compiled_Function
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398
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296 else
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400
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297 if $lrecord_type == lrecord_type_console
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298 pstructtype console
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398
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299 else
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400
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300 if $lrecord_type == lrecord_type_database
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301 ptype Lisp_Database
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398
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302 else
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400
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303 if $lrecord_type == lrecord_type_device
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304 pstructtype device
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398
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305 else
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400
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306 if $lrecord_type == lrecord_type_event
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307 ptype Lisp_Event
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398
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308 else
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400
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309 if $lrecord_type == lrecord_type_extent
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310 pstructtype extent
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398
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311 else
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400
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312 if $lrecord_type == lrecord_type_extent_auxiliary
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313 pstructtype extent_auxiliary
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398
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314 else
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400
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315 if $lrecord_type == lrecord_type_extent_info
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316 pstructtype extent_info
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398
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317 else
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400
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318 if $lrecord_type == lrecord_type_face
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319 ptype Lisp_Face
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398
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320 else
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400
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321 if $lrecord_type == lrecord_type_float
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322 ptype Lisp_Float
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323 else
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324 if $lrecord_type == lrecord_type_font_instance
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325 ptype Lisp_Font_Instance
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398
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326 else
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400
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327 if $lrecord_type == lrecord_type_frame
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328 pstructtype frame
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398
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329 else
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400
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330 if $lrecord_type == lrecord_type_glyph
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331 ptype Lisp_Glyph
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398
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332 else
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400
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333 if $lrecord_type == lrecord_type_gui_item
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334 ptype Lisp_Gui_Item
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398
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335 else
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400
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336 if $lrecord_type == lrecord_type_hash_table
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337 ptype Lisp_Hash_Table
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398
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338 else
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400
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339 if $lrecord_type == lrecord_type_image_instance
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340 ptype Lisp_Image_Instance
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398
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341 else
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400
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342 if $lrecord_type == lrecord_type_keymap
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343 ptype Lisp_Keymap
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398
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344 else
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400
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345 if $lrecord_type == lrecord_type_lcrecord_list
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346 pstructtype lcrecord_list
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398
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347 else
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400
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348 if $lrecord_type == lrecord_type_ldap
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349 ptype Lisp_LDAP
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398
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350 else
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400
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351 if $lrecord_type == lrecord_type_lstream
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352 pstructtype lstream
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398
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353 else
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400
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354 if $lrecord_type == lrecord_type_marker
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355 ptype Lisp_Marker
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398
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356 else
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400
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357 if $lrecord_type == lrecord_type_opaque
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358 ptype Lisp_Opaque
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398
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359 else
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400
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360 if $lrecord_type == lrecord_type_opaque_ptr
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361 ptype Lisp_Opaque_Ptr
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362 else
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363 if $lrecord_type == lrecord_type_popup_data
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364 ptype popup_data
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398
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365 else
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400
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366 if $lrecord_type == lrecord_type_process
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367 ptype Lisp_Process
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398
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368 else
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400
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369 if $lrecord_type == lrecord_type_range_table
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370 ptype Lisp_Range_Table
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398
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371 else
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400
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372 if $lrecord_type == lrecord_type_specifier
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373 ptype Lisp_Specifier
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398
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374 else
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400
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375 if $lrecord_type == lrecord_type_subr
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376 ptype Lisp_Subr
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398
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377 else
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400
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378 if $lrecord_type == lrecord_type_symbol_value_buffer_local
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379 pstructtype symbol_value_buffer_local
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398
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380 else
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400
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381 if $lrecord_type == lrecord_type_symbol_value_forward
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382 pstructtype symbol_value_forward
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398
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383 else
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400
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384 if $lrecord_type == lrecord_type_symbol_value_lisp_magic
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385 pstructtype symbol_value_lisp_magic
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398
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386 else
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400
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387 if $lrecord_type == lrecord_type_symbol_value_varalias
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388 pstructtype symbol_value_varalias
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398
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389 else
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400
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390 if $lrecord_type == lrecord_type_timeout
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391 ptype Lisp_Timeout
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398
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392 else
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400
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393 if $lrecord_type == lrecord_type_toolbar_button
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394 pstructtype toolbar_button
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398
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395 else
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400
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396 if $lrecord_type == lrecord_type_tooltalk_message
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397 ptype Lisp_Tooltalk_Message
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398
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398 else
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400
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399 if $lrecord_type == lrecord_type_tooltalk_pattern
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400 ptype Lisp_Tooltalk_Pattern
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398
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401 else
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400
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402 if $lrecord_type == lrecord_type_weak_list
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403 pstructtype weak_list
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398
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404 else
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400
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405 if $lrecord_type == lrecord_type_window
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406 pstructtype window
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398
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407 else
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400
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408 if $lrecord_type == lrecord_type_window_configuration
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409 pstructtype window_config
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398
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410 else
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411 echo Unknown Lisp Object type\n
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412 print $arg0
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413 # Barf, gag, retch
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414 end
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415 end
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416 end
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417 end
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418 end
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419 end
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420 end
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421 end
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423 end
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424 end
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427 end
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428 end
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400
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429 end
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430 end
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398
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431 # Repeat after me... gdb sux, gdb sux, gdb sux...
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432 end
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433 end
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434 end
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435 end
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436 end
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437 end
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438 end
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439 end
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440 end
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441 end
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445 end
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446 end
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447 end
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448 end
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449 end
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450 # Are we having fun yet??
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451 end
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452 end
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453 end
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454 end
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455 end
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456 end
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457 end
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458 end
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459 end
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460 end
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461 end
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462 end
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463 end
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464 end
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465 end
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466 end
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467 end
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400
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468 end
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469 end
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470
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471 document pobj
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472 Usage: pobj lisp_object
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473 Print the internal C representation of a Lisp Object.
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474 end
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475
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476 # -------------------------------------------------------------
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477 # functions to test the debugging support itself.
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478 # If you change this file, make sure the following still work...
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479 # -------------------------------------------------------------
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480 define test_xtype
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481 printf "Vemacs_major_version: "
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482 xtype Vemacs_major_version
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483 printf "Vhelp_char: "
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484 xtype Vhelp_char
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485 printf "Qnil: "
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486 xtype Qnil
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487 printf "Qunbound: "
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488 xtype Qunbound
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489 printf "Vobarray: "
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490 xtype Vobarray
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491 printf "Vall_weak_lists: "
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492 xtype Vall_weak_lists
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493 printf "Vxemacs_codename: "
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494 xtype Vxemacs_codename
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495 end
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496
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497 define test_pobj
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498 printf "Vemacs_major_version: "
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499 pobj Vemacs_major_version
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500 printf "Vhelp_char: "
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501 pobj Vhelp_char
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502 printf "Qnil: "
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503 pobj Qnil
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504 printf "Qunbound: "
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505 pobj Qunbound
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506 printf "Vobarray: "
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507 pobj Vobarray
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508 printf "Vall_weak_lists: "
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509 pobj Vall_weak_lists
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510 printf "Vxemacs_codename: "
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511 pobj Vxemacs_codename
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512 end
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513
|
