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directplay-lite/mkstubs.pl
Daniel Collins 7170581117 Added email address to copyright notices.
Why didn't I do this initially? Its a mystery.
2019-03-17 14:42:02 +00:00

71 lines
1.5 KiB
Perl
Executable File

#!/usr/bin/perl
# DirectPlay Lite - Hook DLL stub function generator
# Copyright (C) 2018 Daniel Collins <solemnwarning@solemnwarning.net>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
use strict;
use warnings;
if((scalar @ARGV) != 1)
{
print STDERR "Usage: $0 <dll-name.dll> < func-names.txt > dll-name.asm\n";
exit(42); # EX_USAGE
}
my ($dllname) = @ARGV;
print <<EOF;
.586
.MODEL FLAT, C
EXTERN find_sym\@8: PROC
.DATA
dll_name db "$dllname", 0
EOF
while(defined(my $func = <STDIN>))
{
$func =~ s/[\r\n]//g;
next if($func eq "");
print <<EOF;
.DATA
${func}_sym db "${func}", 0
${func}_addr dd 0
.CODE
PUBLIC ${func}
${func} PROC
cmp ${func}_addr, 0
jne ${func}_jmp
push offset ${func}_sym
push offset dll_name
call find_sym\@8
mov ${func}_addr, eax
${func}_jmp:
jmp [${func}_addr]
${func} ENDP
EOF
}
print "END\n";