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- # Create global symbol declarations, transfer vector, and
- # linker options files for PerlShr.
- #
- # Input:
- # $cflags - command line qualifiers passed to cc when preprocesing perl.h
- # Note: A rather simple-minded attempt is made to restore quotes to
- # a /Define clause - use with care.
- # $objsuffix - file type (including '.') used for object files.
- # $libperl - Perl object library.
- # $extnames - package names for static extensions (used to generate
- # linker options file entries for boot functions)
- # $rtlopt - name of options file specifying RTLs to which PerlShr.Exe
- # must be linked
- #
- # Output:
- # PerlShr_Attr.Opt - linker options file which speficies that global vars
- # be placed in NOSHR,WRT psects. Use when linking any object files
- # against PerlShr.Exe, since cc places global vars in SHR,WRT psects
- # by default.
- # PerlShr_Bld.Opt - declares universal symbols for PerlShr.Exe
- # Perlshr_Gbl*.Mar, Perlshr_Gbl*.Obj (VAX only) - declares global symbols
- # for global vars (done here because gcc can't globaldef) and creates
- # transfer vectors for routines on a VAX.
- # PerlShr_Gbl.Opt (VAX only) - list of PerlShr_Gbl*.Obj, used for input
- # to the linker when building PerlShr.Exe.
- #
- # To do:
- # - figure out a good way to collect global vars in one psect, given that
- # we can't use globaldef because of gcc.
- # - then, check for existing files and preserve symbol and transfer vector
- # order for upward compatibility
- # - then, add GSMATCH to options file - but how do we insure that new
- # library has everything old one did
- # (i.e. /Define=DEBUGGING,EMBED,MULTIPLICITY)?
- #
- # Author: Charles Bailey bailey@genetics.upenn.edu
- # Revised: 01-Mar-1995
-
- require 5.000;
-
- $debug = $ENV{'GEN_SHRFLS_DEBUG'};
- $cc_cmd = shift @ARGV;
- print "Input \$cc_cmd: \\$cc_cmd\\\n" if $debug;
- $docc = ($cc_cmd !~ /~~NOCC~~/);
- print "\$docc = $docc\n" if $debug;
-
- if ($docc) {
- # put quotes back onto defines - they were removed by DCL on the way in
- if (($prefix,$defines,$suffix) =
- ($cc_cmd =~ m#(.*)/Define=(.*?)([/\s].*)#i)) {
- $defines =~ s/^\((.*)\)$/$1/;
- @defines = split(/,/,$defines);
- $cc_cmd = "$prefix/Define=(" . join(',',grep($_ = "\"$_\"",@defines))
- . ')' . $suffix;
- }
- print "Filtered \$cc_cmd: \\$cc_cmd\\\n" if $debug;
-
- if (-f 'perl.h') { $dir = '[]'; }
- elsif (-f '[-]perl.h') { $dir = '[-]'; }
- else { die "$0: Can't find perl.h\n"; }
- }
- else { ($cpp_file) = ($cc_cmd =~ /~~NOCC~~(.*)/) }
-
- $objsuffix = shift @ARGV;
- print "\$objsuffix: \\$objsuffix\\\n" if $debug;
- $dbgprefix = shift @ARGV;
- print "\$dbgprefix: \\$dbgprefix\\\n" if $debug;
- $olbsuffix = shift @ARGV;
- print "\$olbsuffix: \\$olbsuffix\\\n" if $debug;
- $libperl = "${dbgprefix}libperl$olbsuffix";
- $extnames = shift @ARGV;
- print "\$extnames: \\$extnames\\\n" if $debug;
- $rtlopt = shift @ARGV;
- print "\$rtlopt: \\$rtlopt\\\n" if $debug;
-
- # Someday, we'll have $GetSyI built into perl . . .
- $isvax = `\$ Write Sys\$Output F\$GetSyI(\"HW_MODEL\")` <= 1024;
- print "\$isvax: \\$isvax\\\n" if $debug;
-
- sub scan_var {
- my($line) = @_;
-
- print "\tchecking for global variable\n" if $debug > 1;
- $line =~ s/INIT\(.*\)//;
- $line =~ s/\[.*//;
- $line =~ s/=.*//;
- $line =~ s/\W*;?\s*$//;
- print "\tfiltered to \\$line\\\n" if $debug > 1;
- if ($line =~ /(\w+)$/) {
- print "\tvar name is \\$1\\\n" if $debug > 1;
- $vars{$1}++;
- }
- }
-
- sub scan_func {
- my($line) = @_;
-
- print "\tchecking for global routine\n" if $debug > 1;
- if ( /(\w+)\s+\(/ ) {
- print "\troutine name is \\$1\\\n" if $debug > 1;
- if ($1 eq 'main' || $1 eq 'perl_init_ext') {
- print "\tskipped\n" if $debug > 1;
- }
- else { $funcs{$1}++ }
- }
- }
-
- if ($docc) {
- open(CPP,"${cc_cmd}/NoObj/PreProc=Sys\$Output ${dir}perl.h|")
- or die "$0: Can't preprocess ${dir}perl.h: $!\n";
- }
- else {
- open(CPP,"$cpp_file") or die "$0: Can't read $cpp_file: $!\n";
- }
- LINE: while (<CPP>) {
- while (/^#.*vmsish\.h/i .. /^#.*perl\.h/i) {
- while (/__VMS_PROTOTYPES__/i .. /__VMS_SEPYTOTORP__/i) {
- print "vms_proto>> $_" if $debug > 2;
- &scan_func($_);
- if (/^EXT/) { &scan_var($_); }
- last LINE unless $_ = <CPP>;
- }
- print "vmsish.h>> $_" if $debug > 2;
- if (/^EXT/) { &scan_var($_); }
- last LINE unless $_ = <CPP>;
- }
- while (/^#.*opcode\.h/i .. /^#.*perl\.h/i) {
- print "opcode.h>> $_" if $debug > 2;
- if (/^OP \*\s/) { &scan_func($_); }
- if (/^EXT/) { &scan_var($_); }
- last LINE unless $_ = <CPP>;
- }
- while (/^#.*proto\.h/i .. /^#.*perl\.h/i) {
- print "proto.h>> $_" if $debug > 2;
- &scan_func($_);
- if (/^EXT/) { &scan_var($_); }
- last LINE unless $_ = <CPP>;
- }
- print $_ if $debug > 3;
- if (/^EXT/) { &scan_var($_); }
- }
- close CPP;
- while (<DATA>) {
- next if /^#/;
- s/\s+#.*\n//;
- ($key,$array) = split('=',$_);
- print "Adding $key to \%$array list\n" if $debug > 1;
- ${$array}{$key}++;
- }
- foreach (split /\s+/, $extnames) {
- my($pkgname) = $_;
- $pkgname =~ s/::/__/g;
- $funcs{"boot_$pkgname"}++;
- print "Adding boot_$pkgname to \%funcs (for extension $_)\n" if $debug;
- }
-
- # Eventually, we'll check against existing copies here, so we can add new
- # symbols to an existing options file in an upwardly-compatible manner.
-
- $marord++;
- open(OPTBLD,">${dir}${dbgprefix}perlshr_bld.opt")
- or die "$0: Can't write to ${dir}${dbgprefix}perlshr_bld.opt: $!\n";
- open(OPTATTR,">${dir}perlshr_attr.opt")
- or die "$0: Can't write to ${dir}perlshr_attr.opt: $!\n";
- if ($isvax) {
- open(MAR,">${dir}perlshr_gbl${marord}.mar")
- or die "$0: Can't write to ${dir}perlshr_gbl${marord}.mar: $!\n";
- print MAR "\t.title perlshr_gbl$marord\n";
- }
- print OPTATTR "PSECT_ATTR=\$CHAR_STRING_CONSTANTS,PIC,SHR,NOEXE,RD,NOWRT\n";
- foreach $var (sort keys %vars) {
- print OPTATTR "PSECT_ATTR=${var},PIC,OVR,RD,NOEXE,WRT,NOSHR\n";
- if ($isvax) { print OPTBLD "UNIVERSAL=$var\n"; }
- else { print OPTBLD "SYMBOL_VECTOR=($var=DATA)\n"; }
- if ($isvax) {
- if ($count++ > 200) { # max 254 psects/file
- print MAR "\t.end\n";
- close MAR;
- $marord++;
- open(MAR,">${dir}perlshr_gbl${marord}.mar")
- or die "$0: Can't write to ${dir}perlshr_gbl${marord}.mar: $!\n";
- print MAR "\t.title perlshr_gbl$marord\n";
- $count = 0;
- }
- # This hack brought to you by the lack of a globaldef in gcc.
- print MAR "\t.psect ${var},long,pic,ovr,rd,wrt,noexe,noshr\n";
- print MAR "\t${var}:: .blkl 1\n";
- }
- }
-
- print MAR "\t.psect \$transfer_vec,pic,rd,nowrt,exe,shr\n" if ($isvax);
- foreach $func (sort keys %funcs) {
- if ($isvax) {
- print MAR "\t.transfer $func\n";
- print MAR "\t.mask $func\n";
- print MAR "\tjmp L\^${func}+2\n";
- }
- else { print OPTBLD "SYMBOL_VECTOR=($func=PROCEDURE)\n"; }
- }
-
- close OPTATTR;
- $incstr = 'perl,globals';
- if ($isvax) {
- print MAR "\t.end\n";
- close MAR;
- $drvrname = "Compile_shrmars.tmp_".time;
- open (DRVR,">$drvrname") or die "$0: Can't write to $drvrname: $!\n";
- print DRVR "\$ Set NoOn\n";
- print DRVR "\$ Delete/NoLog/NoConfirm $drvrname;\n";
- print DRVR "\$ old_proc_vfy = F\$Environment(\"VERIFY_PROCEDURE\")\n";
- print DRVR "\$ old_img_vfy = F\$Environment(\"VERIFY_IMAGE\")\n";
- print DRVR "\$ MCR $^X -e \"\$ENV{'LIBPERL_RDT'} = (stat('$libperl'))[9]\"\n";
- print DRVR "\$ Set Verify\n";
- print DRVR "\$ If F\$Search(\"$libperl\").eqs.\"\" Then Library/Object/Create $libperl\n";
- do {
- $incstr .= ",perlshr_gbl$marord";
- print DRVR "\$ Macro/NoDebug/Object=PerlShr_Gbl${marord}$objsuffix PerlShr_Gbl$marord.Mar\n";
- print DRVR "\$ Library/Object/Replace/Log $libperl PerlShr_Gbl${marord}$objsuffix\n";
- } while (--$marord);
- # We had to have a working miniperl to run this program; it's probably the
- # one we just built. It depended on LibPerl, which will be changed when
- # the PerlShr_Gbl* modules get inserted, so miniperl will be out of date,
- # and so, therefore, will all of its dependents . . .
- # We touch LibPerl here so it'll be back 'in date', and we won't rebuild
- # miniperl etc., and therefore LibPerl, the next time we invoke MM[KS].
- print DRVR "\$ old_proc_vfy = F\$Verify(old_proc_vfy,old_img_vfy)\n";
- print DRVR "\$ MCR $^X -e \"utime 0, \$ENV{'LIBPERL_RDT'}, '$libperl'\"\n";
- close DRVR;
- }
-
- # Include object modules and RTLs in options file
- # Linker wants /Include and /Library on different lines
- print OPTBLD "$libperl/Include=($incstr)\n";
- print OPTBLD "$libperl/Library\n";
- open(RTLOPT,$rtlopt) or die "$0: Can't read $rtlopt: $!\n";
- while (<RTLOPT>) { print OPTBLD; }
- close RTLOPT;
- close OPTBLD;
-
- exec "\$ \@$drvrname" if $isvax;
-
-
- __END__
-
- # Oddball cases, so we can keep the perl.h scan above simple
- error=vars # declared in perl.h only when DOINIT defined by INTERN.h
- rcsid=vars # declared in perl.c
- regarglen=vars # declared in regcomp.h
- regdummy=vars # declared in regcomp.h
- regkind=vars # declared in regcomp.h
- simple=vars # declared in regcomp.h
- varies=vars # declared in regcomp.h
- watchaddr=vars # declared in run.c
- watchok=vars # declared in run.c
- yychar=vars # generated by byacc in perly.c
- yycheck=vars # generated by byacc in perly.c
- yydebug=vars # generated by byacc in perly.c
- yydefred=vars # generated by byacc in perly.c
- yydgoto=vars # generated by byacc in perly.c
- yyerrflag=vars # generated by byacc in perly.c
- yygindex=vars # generated by byacc in perly.c
- yylen=vars # generated by byacc in perly.c
- yylhs=vars # generated by byacc in perly.c
- yylval=vars # generated by byacc in perly.c
- yyname=vars # generated by byacc in perly.c
- yynerrs=vars # generated by byacc in perly.c
- yyrindex=vars # generated by byacc in perly.c
- yyrule=vars # generated by byacc in perly.c
- yysindex=vars # generated by byacc in perly.c
- yytable=vars # generated by byacc in perly.c
- yyval=vars # generated by byacc in perly.c
-