cf/w32-list-externs-from-objs.pl

   1 ########################################################################
   2 #
   3 # Copyright (c) 2010, Secure Endpoints Inc.
   4 # All rights reserved.
   5 #
   6 # Redistribution and use in source and binary forms, with or without
   7 # modification, are permitted provided that the following conditions
   8 # are met:
   9 #
  10 # - Redistributions of source code must retain the above copyright
  11 #   notice, this list of conditions and the following disclaimer.
  12 #
  13 # - Redistributions in binary form must reproduce the above copyright
  14 #   notice, this list of conditions and the following disclaimer in
  15 #   the documentation and/or other materials provided with the
  16 #   distribution.
  17 #
  18 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  19 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  20 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  21 # FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
  22 # COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
  23 # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
  24 # BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  25 # LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  26 # CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  27 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
  28 # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  29 # POSSIBILITY OF SUCH DAMAGE.
  30 #
  31
  32 my $show_module_name = 1;
  33 my $use_indent = 1;
  34 my $strip_leading_underscore = 0;
  35
  36 # Dump all symbols for the given object file that are defined and have
  37 # external scope.
  38
  39 sub dump_symbols_for_file($)
  40 {
  41     $fn = shift;
  42
  43     print STDERR "Opening dump of object [$fn]\n";
  44
  45     open(SP, '-|', "dumpbin /symbols \"".$fn."\"") or die "Can't open pipe for $fn";
  46
  47   LINE:
  48     while (<SP>) {
  49         # 008 00000000 SECT3  notype ()    External     | _encode_AccessDescription
  50
  51         /^[[:xdigit:]]{3,}\s[[:xdigit:]]{8,}\s(\w+)\s+\w*\s+(\(\)|  )\s+(\w+)\s+\|\s+([0-9a-zA-Z\@\_]+)$/ && do {
  52             my ($section, $type, $visibility, $symbol) = ($1, $2, $3, $4);
  53
  54             if ($section ne "UNDEF" && $visibility eq "External") {
  55                 print $fn if $show_module_name;
  56                 print "\t" if $use_indent || $show_module_name;
  57
  58                 if ($strip_leading_underscore && $symbol =~ /_(.*)/) {
  59                     $symbol = $1;
  60                 }
  61                 if ($strip_leading_underscore && $symbol =~ /(.*)\@.*$/) {
  62                     $symbol = $1;
  63                 }
  64                 print $symbol;
  65                 if ($type ne "()") {
  66                     print "\tDATA";
  67                 }
  68                 print "\n";
  69             }
  70         };
  71     }
  72
  73     close SP;
  74 }
  75
  76 sub use_response_file($)
  77 {
  78     $fn = shift;
  79
  80     open (RF, '<', $fn) or die "Can't open response file $fn";
  81
  82     while (<RF>) {
  83         /(\S+)/ && do {
  84             dump_symbols_for_file($1);
  85         }
  86     }
  87     close RF;
  88 }
  89
  90 for (@ARGV) {
  91     ARG: {
  92         /^-q$/ && do {
  93             $show_module_name = 0;
  94             last ARG;
  95         };
  96
  97         /^-1$/ && do {
  98             $use_indent = 0;
  99             last ARG;
 100         };
 101
 102         /^-u$/ && do {
 103             $strip_leading_underscore = 1;
 104             last ARG;
 105         };
 106
 107         /^@(.*)$/ && do {
 108             use_response_file($1);
 109             last ARG;
 110         };
 111
 112         dump_symbols_for_file($_);
 113     }
 114 }