create_jit_stubs

   1 #! /usr/bin/perl -w
   2 #
   3 # Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies)
   4 # Copyright (C) 2010 Patrick Gansterer <paroga@paroga.com>
   5 #
   6 # This library is free software; you can redistribute it and/or
   7 # modify it under the terms of the GNU Library General Public
   8 # License as published by the Free Software Foundation; either
   9 # version 2 of the License, or (at your option) any later version.
  10 #
  11 # This library is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14 # Library General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU Library General Public License
  17 # along with this library; see the file COPYING.LIB.  If not, write to
  18 # the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  19 # Boston, MA 02110-1301, USA.
  20
  21 use strict;
  22 use File::Basename;
  23 use Getopt::Long;
  24
  25 my $usage = basename($0) . " --prefix prefix [--offset offset] file";
  26
  27 my $rtype_template = quotemeta("#rtype#");
  28 my $offset_template = quotemeta("#offset#");
  29 my $op_template = quotemeta("#op#");
  30
  31 my $prefix;
  32 my $offset = 32;
  33 my $file;
  34
  35 my $getOptionsResult = GetOptions(
  36     'prefix=s' => \$prefix,
  37     'offset=i' => \$offset
  38 );
  39
  40 $file = $ARGV[0];
  41
  42 die "$usage\n" unless ($prefix and $file);
  43
  44 my $stub_template = "";
  45 my $stub = "";
  46
  47 my $rtype = "";
  48 my $op = "";
  49
  50 print STDERR "Creating JIT stubs for $file \n";
  51 open(IN, $file) or die "No such file $file";
  52
  53 while ( $_ = <IN> ) {
  54     if ( /^$prefix\((.*)\)/ ) {
  55         $stub_template .= $1 . "\n";
  56     }
  57     if ( /^DEFINE_STUB_FUNCTION\((.*), (.*)\)/ ) {
  58         $stub = $stub_template;
  59         $rtype = quotemeta($1);
  60         $op = quotemeta($2);
  61         $stub =~ s/$offset_template/$offset/g;
  62         $stub =~ s/$rtype_template/$rtype/g;
  63         $stub =~ s/$op_template/$op/g;
  64         $stub =~ s/\\\*/\*/g;
  65         print $stub;
  66     }
  67 }
  68
  69 close(IN);