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perlld
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1998-03-16
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6KB
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193 lines
#
# Perl script be a wrapper around the gnu ld. When a dll is specified to
# to be built, special processing is done, else the standard ld is called.
#
# Modified 3/14/97 to include the impure_ptr setup routine in init.cc
# Modified to make dll in current directory then copy to another dir if
# a path name specified on the command name with the -o parm.
#
my $args = join(" ",@ARGV); # get args
my $arg;
my @objs;
my @flags;
my $libname;
my $init = "init";
my $fixup = "fixup";
my $path;
sub writefixup;
sub writeInit;
if( $args=~/\-o (.+?)\.dll/i){
$libname = $1;
# print "libname = <$libname>\n";
# Check for path:
if( $libname =~ /($\.+?\/)(\w+$)/){
$path = $1;
$libname = $2;
# print "<$path> <$libname>\n";
}
foreach $arg(@ARGV){
if( $arg=~/\.[oa]$/){
push @objs,$arg;
next;
}
if( $arg =~/\-o/ or $arg =~ /.+?\.dll/i ){
next;
}
push @flags,$arg;
}
writefixup();
writeInit();
$command = "gcc -c $fixup.c\n";
print $command;
system($command) == 0 or die "system() failed.\n";
$command = "gcc -c $init.cc\n";
print $command;
system($command) == 0 or die "system() failed.\n";
$command = "echo EXPORTS > $libname.def\n";
print $command;
system($command) == 0 or die "system() failed.\n";
$command = "nm ".join(" ",@objs)." $init.o $fixup.o | grep '^........ [TCD] _' | sed 's/[^_]*_//' >> $libname.def\n";
print $command;
system($command) == 0 or die "system() failed.\n";
$command = "ld --base-file $libname.base --dll -o $libname.dll ".join(" ",@objs)." $init.o $fixup.o ";
$command .= join(" ",@flags)." -e _dll_entry\@12 \n";
print $command;
system($command) == 0 or die "system() failed.\n";
$command = "dlltool --as=as --dllname $libname.dll --def $libname.def --base-file $libname.base --output-exp $libname.exp\n";
print $command;
system($command) == 0 or die "system() failed.\n";
$command = "ld --base-file $libname.base $libname.exp --dll -o $libname.dll ".join(" ",@objs)." $init.o $fixup.o ";
$command .= join(" ",@flags)." -e _dll_entry\@12 \n";
print $command;
system($command) == 0 or die "system() failed.\n";
$command = "dlltool --as=as --dllname $libname.dll --def $libname.def --base-file $libname.base --output-exp $libname.exp\n";
print $command;
system($command) == 0 or die "system() failed.\n";
$command = "ld $libname.exp --dll -o $libname.dll ".join(" ",@objs)." $init.o $fixup.o ";
$command .= join(" ",@flags)." -e _dll_entry\@12 \n";
print $command;
system($command) == 0 or die "system() failed.\n";
print "Build the import lib\n";
$command = "dlltool --as=as --dllname $libname.dll --def $libname.def --output-lib $libname.a\n";
print $command;
system($command) == 0 or die "system() failed.\n";
# if there was originally a path, copy the dll and a to that location:
if($path && $path ne "./" && $path."\n" ne "`pwd`"){
$command = "mv $libname.dll $path".$libname.".dll\n";
print $command;
system($command) == 0 or die "system() failed.\n";
$command = "mv $libname.a $path".$libname.".a\n";
print $command;
system($command) == 0 or die "system() failed.\n";
}
}
else{ # no special processing, just call ld
$command = "ld $args\n";
print $command;
system($command) == 0 or die "system() failed.\n";
}
#---------------------------------------------------------------------------
sub writeInit{
open(OUTFILE,">$init.cc") or die("Can't open $init.cc\n");
print OUTFILE <<'EOF';
/* init.cc for WIN32.
Copyright 1996 Cygnus Solutions
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
// Added impure_ptr initialization routine. This is needed for any DLL that needs
// to output to the main (calling) executable's stdout, stderr, etc. This routine
// needs to be called from the executable using the DLL before any other DLL
// routines are called. jc 3/14/97
#include <windows.h>
extern "C"
{
int WINAPI dll_entry (HANDLE h, DWORD reason, void *ptr);
void impure_setup(struct _reent *_impure_ptrMain);
};
struct _reent *_impure_ptr; // this will be the Dlls local copy of impure ptr
int WINAPI dll_entry (HANDLE ,
DWORD reason,
void *)
{
switch (reason)
{
case DLL_PROCESS_ATTACH:
break;
case DLL_PROCESS_DETACH:
break;
case DLL_THREAD_ATTACH:
break;
case DLL_THREAD_DETACH:
break;
}
return 1;
}
//********************************************
// Function to set our local (in this dll) copy of impure_ptr to the
// main's (calling executable's) impure_ptr
void impure_setup(struct _reent *_impure_ptrMain){
_impure_ptr = _impure_ptrMain;
}
EOF
close OUTFILE;
}
#---------------------------------------------------------------------------
sub writefixup{
open(OUTFILE,">$fixup.c") or die("Can't open $fixup.c\n");
print OUTFILE <<'EOF';
/* This is needed to terminate the list of inport stuff */
/* Copied from winsup/dcrt0.cc in the cygwin32 source distribution. */
asm(".section .idata$3\n" ".long 0,0,0,0, 0,0,0,0");
EOF
close OUTFILE;
}