mirror of
https://github.com/solemnwarning/directplay-lite
synced 2024-12-30 16:45:37 +01:00
71 lines
1.5 KiB
Perl
Executable File
71 lines
1.5 KiB
Perl
Executable File
#!/usr/bin/perl
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# DirectPlay Lite - Hook DLL stub function generator
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# Copyright (C) 2018 Daniel Collins <solemnwarning@solemnwarning.net>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along
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# with this program; if not, write to the Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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use strict;
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use warnings;
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if((scalar @ARGV) != 1)
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{
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print STDERR "Usage: $0 <dll-name.dll> < func-names.txt > dll-name.asm\n";
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exit(42); # EX_USAGE
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}
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my ($dllname) = @ARGV;
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print <<EOF;
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.586
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.MODEL FLAT, C
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EXTERN find_sym\@8: PROC
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.DATA
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dll_name db "$dllname", 0
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EOF
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while(defined(my $func = <STDIN>))
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{
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$func =~ s/[\r\n]//g;
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next if($func eq "");
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print <<EOF;
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.DATA
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${func}_sym db "${func}", 0
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${func}_addr dd 0
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.CODE
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PUBLIC ${func}
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${func} PROC
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cmp ${func}_addr, 0
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jne ${func}_jmp
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push offset ${func}_sym
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push offset dll_name
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call find_sym\@8
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mov ${func}_addr, eax
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${func}_jmp:
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jmp [${func}_addr]
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${func} ENDP
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EOF
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}
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print "END\n";
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