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