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1 #!/usr/bin/perl |
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2 # Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies). |
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3 # All rights reserved. |
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4 # This component and the accompanying materials are made available |
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5 # under the terms of "Eclipse Public License v1.0" |
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6 # which accompanies this distribution, and is available |
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7 # at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 # |
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9 # Initial Contributors: |
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10 # Nokia Corporation - initial contribution. |
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11 # |
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12 # Contributors: |
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13 # |
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14 # Description: |
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15 # |
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16 |
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17 use FindBin; # for FindBin::Bin |
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18 use Getopt::Long; |
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19 |
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20 BEGIN { |
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21 # check user has a version of perl that will cope |
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22 require 5.005_03; |
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23 # establish the path to the Perl libraries: currently the same directory as this script |
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24 $PerlLibPath = $FindBin::Bin; # X:/epoc32/tools |
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25 if ($^O eq "MSWin32") |
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26 { |
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27 $PerlLibPath =~ s/\//\\/g; # X:\epoc32\tools |
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28 $PerlLibPath .= "\\"; |
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29 } |
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30 } |
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31 |
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32 use lib $PerlLibPath; |
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33 |
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34 my $IgnoreExportDir = 0; |
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35 my $ImportSymFile; |
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36 my $CppFile; |
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37 my $mapFile; |
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38 my $SegmentContentSz = 0; |
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39 my $nSyms = 0; |
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40 my $nImports = 0; |
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41 my %Symbols = (); |
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42 my @Imports = (); |
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43 |
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44 # Version |
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45 my $MajorVersion = 1; |
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46 my $MinorVersion = 1; |
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47 my $PatchVersion = 0; |
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48 |
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49 |
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50 { |
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51 unless (GetOptions(\%Options, 'sym=s', 'o=s', 'map=s', 'ignore_export_dir')) { |
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52 exit 1; |
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53 } |
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54 $ImportSymFile = $Options{sym}; |
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55 $CppFile = $Options{o}; |
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56 $mapFile = $Options{map}; |
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57 $IgnoreExportDir = $Options{ignore_export_dir}; |
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58 |
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59 unless($ImportSymFile) |
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60 { |
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61 print( |
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62 "\n", |
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63 "SYM_LKUP_UTIL symbol process tool V$MajorVersion.$MinorVersion.$PatchVersion\n", |
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64 "\n", |
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65 "options:\n", |
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66 " -sym symbol file\n", |
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67 " -o output file\n", |
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68 " -map map file\n", |
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69 "\n" |
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70 ); |
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71 exit 1; |
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72 } |
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73 |
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74 ReadSymFile() if $ImportSymFile; |
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75 ReadMapFile() if $mapFile; |
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76 |
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77 GenNamedSegment(); |
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78 } |
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79 |
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80 sub ReadMapFile() { |
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81 open FILE, $mapFile or die "Error :SymLookup: Cannot open map file $mapFile\n"; |
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82 |
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83 my $GlbSyms = 0; |
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84 while(<FILE>) { |
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85 if($_ =~ /Public Symbols/) { |
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86 $GlbSyms = 1; |
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87 } |
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88 elsif( !$GlbSyms ) { |
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89 next; |
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90 } |
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91 if($_ =~ /([0-9a-fA-F]{8})\s+(\S+)\s+_?(\S+)\s/){ |
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92 $addr = $1; |
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93 $module = $2; |
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94 $name = $3; |
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95 if( defined $Symbols{$name} ) { |
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96 $Symbols{$name} = $addr; |
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97 } |
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98 } |
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99 } |
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100 # Remove symbols not found in map file |
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101 foreach my $sym (keys %Symbols){ |
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102 if( !$Symbols{$sym} ){ |
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103 delete $Symbols{$sym}; |
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104 } |
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105 } |
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106 |
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107 } |
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108 |
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109 sub ReadSymFile() { |
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110 open FILE, $ImportSymFile or die "Error :SymLookup: Cannot open file $ImportSymFile\n"; |
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111 |
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112 my $ImportDirSeen = 0; |
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113 my $ExportDirSeen = 0; |
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114 my $ExportNameTblSeen = 0; |
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115 my $numOfExportNames = 0; |
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116 my $nameCount = 0; |
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117 while (<FILE>) { |
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118 # Ignore export table(s) if the flag '$IgnoreExportDir' is set. This flag is set for stddlls, as symbol listing |
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119 # is not required for them. The windows API GetProcAddr can be used directly. While for stdexe, the symbol names |
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120 # are filtered out and then looked up in the map file for their addresses. |
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121 |
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122 if($_ =~ /\*\*\* EXPORT DIRECTORY \*\*\*/){ |
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123 next if($IgnoreExportDir); |
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124 $ExportDirSeen = 1; |
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125 } |
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126 elsif($_ =~ /\*\*\* Export Name Pointer Table \*\*\*/){ |
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127 next if($IgnoreExportDir); |
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128 $ExportNameTblSeen = 1; |
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129 } |
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130 elsif($_ =~ /\*\*\* IMPORT DIRECTORY \*\*\*/) { |
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131 $ImportDirSeen = 1; |
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132 } |
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133 |
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134 if($ExportDirSeen){ |
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135 if($_ =~ /numberofnames\s+=\s+0x(\S+)/){ |
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136 $numOfExportNames = hex($1); |
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137 # Reset the flag once done with the export table |
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138 $ExportDirSeen = 0; |
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139 } |
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140 } |
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141 elsif($ExportNameTblSeen && $numOfExportNames){ |
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142 if($_ =~ /\d+\s+0x[0-9a-fA-F]+\s+(\S+)/){ |
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143 $Symbols{$1}=0; |
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144 # Keep track of the symbols seen in "Export Name Pointer Table" |
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145 $nameCount++; |
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146 } |
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147 if($nameCount == $numOfExportNames){ |
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148 # Reset the flag once done with the name table |
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149 $ExportNameTblSeen = 0; |
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150 } |
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151 } |
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152 elsif($ImportDirSeen) { |
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153 if($_ =~ /^DLL name\s+=\s+\S+\s+\((\S+)\)/) { |
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154 my $dllname = $1; |
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155 push @Imports, $dllname; |
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156 $ImportDirSeen = 0; |
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157 } |
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158 } |
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159 } |
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160 } |
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161 |
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162 sub GenNamedSegment() { |
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163 |
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164 my $SegContents = ""; |
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165 |
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166 &Header(\$SegContents); |
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167 |
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168 &SymAddrTbl(\$SegContents); |
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169 |
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170 &SymNames(\$SegContents); |
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171 |
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172 &Footer(\$SegContents); |
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173 |
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174 open OUTFILE, ">$CppFile" or die "Error :SymLookup:Cannot open file $CppFile\n"; |
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175 print OUTFILE $SegContents; |
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176 } |
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177 |
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178 sub Header(){ |
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179 my $SegContentsRef = shift @_; |
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180 |
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181 $$SegContentsRef .= "\/\* $CppFile\n"; |
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182 $$SegContentsRef .= " \* Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies). All rights reserved.\n"; |
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183 $$SegContentsRef .= " \* Makmake-generated source file for named symbol lookup\n"; |
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184 $$SegContentsRef .= " \*\/\n"; |
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185 $$SegContentsRef .= "#pragma data_seg(\".expdata\")"; |
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186 |
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187 $$SegContentsRef .= "\n\n"; |
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188 } |
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189 |
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190 sub Footer() { |
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191 my $SegContentsRef = shift @_; |
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192 $$SegContentsRef .= "\n#pragma data_seg()\n"; |
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193 $$SegContentsRef .= "\n"; |
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194 } |
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195 |
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196 sub SymAddrTbl(){ |
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197 my $SegContentsRef = shift @_; |
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198 $nSyms = keys %Symbols; |
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199 $nImports = @Imports; |
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200 $$SegContentsRef .= "int NSymbols = $nSyms;\n"; |
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201 $$SegContentsRef .= "int NImports = $nImports;\n"; |
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202 |
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203 if(!$nSyms) { |
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204 return; |
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205 } |
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206 $$SegContentsRef .= "int addresses[] = {\n"; |
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207 |
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208 foreach $key (sort keys %Symbols) { |
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209 if($Symbols{$key}){ |
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210 $$SegContentsRef .= "\t0x".$Symbols{$key}.",\n"; |
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211 } |
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212 } |
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213 $$SegContentsRef .= "};\n"; |
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214 } |
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215 |
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216 sub SymNames() { |
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217 if(!$nImports && !$nSyms){ |
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218 return; |
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219 } |
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220 my $SegContentsRef = shift @_; |
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221 $$SegContentsRef .= "\nchar data[] = {\n"; |
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222 |
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223 my $symnames ; |
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224 my $colCnt ; |
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225 foreach $symnames (sort keys %Symbols) { |
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226 next if( $Symbols{$symnames} == 0); |
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227 my @chars = split(//,$symnames); |
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228 $$SegContentsRef .= "\t"; |
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229 $colCnt =0; |
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230 foreach $aChar (@chars) { |
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231 if($colCnt >= 80) { |
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232 $$SegContentsRef .= "\\\n\t"; |
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233 $colCnt = 0; |
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234 } |
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235 $$SegContentsRef .= "\'$aChar\',"; |
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236 $colCnt += 4; |
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237 } |
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238 $$SegContentsRef .= "0,\n"; |
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239 } |
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240 |
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241 foreach my $dll (@Imports) { |
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242 my @chars = split(//,$dll); |
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243 $$SegContentsRef .= "\t"; |
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244 $colCnt =0; |
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245 foreach $aChar (@chars) { |
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246 if($colCnt >= 80) { |
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247 $$SegContentsRef .= "\\\n\t"; |
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248 $colCnt = 0; |
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249 } |
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250 $$SegContentsRef .= "\'$aChar\',"; |
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251 $colCnt += 4; |
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252 } |
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253 $$SegContentsRef .= "0,\n"; |
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254 } |
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255 $$SegContentsRef .= "\n};\n"; |
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256 } |
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257 |