diff options
Diffstat (limited to 'Source/JavaScriptCore/create_jit_stubs')
-rw-r--r-- | Source/JavaScriptCore/create_jit_stubs | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/Source/JavaScriptCore/create_jit_stubs b/Source/JavaScriptCore/create_jit_stubs new file mode 100644 index 0000000..4950bfc --- /dev/null +++ b/Source/JavaScriptCore/create_jit_stubs @@ -0,0 +1,85 @@ +#! /usr/bin/perl -w +# +# Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies) +# Copyright (C) 2010 Patrick Gansterer <paroga@paroga.com> +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Library General Public +# License as published by the Free Software Foundation; either +# version 2 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Library General Public License for more details. +# +# You should have received a copy of the GNU Library General Public License +# along with this library; see the file COPYING.LIB. If not, write to +# the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, +# Boston, MA 02110-1301, USA. + +use strict; +use File::Basename; +use Getopt::Long; + +my $usage = basename($0) . " --prefix prefix [--offset offset] file"; + +my $rtype_template = quotemeta("#rtype#"); +my $offset_template = quotemeta(" THUNK_RETURN_ADDRESS_OFFSET"); +my $op_template = quotemeta("#op#"); + +my $prefix; +my $offset_is_set = 0; +my $offset = 32; +my $file; + +my $getOptionsResult = GetOptions( + 'prefix=s' => \$prefix, + 'offset=i' => sub { $offset_is_set = 1; $offset = $_[1]; } +); + +$file = $ARGV[0]; + +die "$usage\n" unless ($prefix and $file); + +my $stub_template = ""; +my $output_end = ""; +my $stub = ""; + +my $rtype = ""; +my $op = ""; + +print STDERR "Creating JIT stubs for $file \n"; +open(IN, $file) or die "No such file $file"; + +while ( $_ = <IN> ) { + if ( /^$prefix\_BEGIN\((.*)\)/ ) { + $stub = $1; + if ($offset_is_set) { + $stub =~ s/$offset_template/$offset/g; + } + print $stub . "\n"; + } + if ( /^$prefix\((.*)\)/ ) { + $stub_template .= $1 . "\n"; + } + if ( /^$prefix\_END\((.*)\)/ ) { + $output_end .= $1 . "\n"; + } + if ( /^DEFINE_STUB_FUNCTION\((.*), (.*)\)/ ) { + $stub = $stub_template; + $rtype = quotemeta($1); + $op = quotemeta($2); + if ($offset_is_set) { + $stub =~ s/$offset_template/$offset/g; + } + $stub =~ s/$rtype_template/$rtype/g; + $stub =~ s/$op_template/$op/g; + $stub =~ s/\\\*/\*/g; + print $stub; + } +} + +print $output_end; + +close(IN); |