# library has everything old one did
# (i.e. /Define=DEBUGGING,EMBED,MULTIPLICITY)?
#
-# Author: Charles Bailey bailey@genetics.upenn.edu
-# Revised: 01-Mar-1995
+# Author: Charles Bailey bailey@newman.upenn.edu
require 5.000;
$debug = $ENV{'GEN_SHRFLS_DEBUG'};
+
+print "gen_shrfls.pl Rev. 14-Dec-1997\n" if $debug;
+
+if ($ARGV[0] eq '-f') {
+ open(INP,$ARGV[1]) or die "Can't read input file $ARGV[1]: $!\n";
+ print "Input taken from file $ARGV[1]\n" if $debug;
+ @ARGV = ();
+ while (<INP>) {
+ chomp;
+ push(@ARGV,split(/\|/,$_));
+ }
+ close INP;
+ print "Read input data | ",join(' | ',@ARGV)," |\n" if $debug > 1;
+}
+
$cc_cmd = shift @ARGV;
+
+# Someday, we'll have $GetSyI built into perl . . .
+$isvax = `\$ Write Sys\$Output F\$GetSyI(\"HW_MODEL\")` <= 1024;
+print "\$isvax: \\$isvax\\\n" if $debug;
+
print "Input \$cc_cmd: \\$cc_cmd\\\n" if $debug;
-$docc = ($cc_cmd !~ /~~NOCC~~/);
+$docc = ($cc_cmd !~ /^~~/);
print "\$docc = $docc\n" if $debug;
if ($docc) {
+ if (-f 'perl.h') { $dir = '[]'; }
+ elsif (-f '[-]perl.h') { $dir = '[-]'; }
+ else { die "$0: Can't find perl.h\n"; }
+
+ # Go see if debugging is enabled in config.h
+ $config = $dir . "config.h";
+ open CONFIG, "< $config";
+ while(<CONFIG>) {
+ $debugging_enabled++ if /define\s+DEBUGGING/;
+ $use_mymalloc++ if /define\s+MYMALLOC/;
+ $hide_mymalloc++ if /define\s+EMBEDMYMALLOC/;
+ $use_threads++ if /define\s+USE_THREADS/;
+ }
+
# put quotes back onto defines - they were removed by DCL on the way in
if (($prefix,$defines,$suffix) =
($cc_cmd =~ m#(.*)/Define=(.*?)([/\s].*)#i)) {
$defines =~ s/^\((.*)\)$/$1/;
+ $debugging_enabled ||= $defines =~ /\bDEBUGGING\b/;
@defines = split(/,/,$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"; }
+ # check for gcc - if present, we'll need to use MACRO hack to
+ # define global symbols for shared variables
+ $isvaxc = 0;
+ $isgcc = `$cc_cmd _nla0:/Version` =~ /GNU/
+ or 0; # make debug output nice
+ $isvaxc = (!$isgcc && $isvax &&
+ # Check exit status too, in case message is shut off
+ (`$cc_cmd /prefix=all _nla0:` =~ /IVQUAL/ || $? == 0x38240))
+ or 0; # again, make debug output nice
+ print "\$isgcc: $isgcc\n" if $debug;
+ print "\$isvaxc: $isvaxc\n" if $debug;
+ print "\$debugging_enabled: $debugging_enabled\n" if $debug;
+
+}
+else {
+ ($junk,$junk,$cpp_file,$cc_cmd) = split(/~~/,$cc_cmd,4);
+ $isgcc = $cc_cmd =~ /case_hack/i
+ or 0; # for nice debug output
+ $isvaxc = (!$isgcc && $cc_cmd !~ /standard=/i)
+ or 0; # again, for nice debug output
+ $debugging_enabled = $cc_cmd =~ /\bdebugging\b/i;
+ print "\$isgcc: \\$isgcc\\\n" if $debug;
+ print "\$isvaxc: \\$isvaxc\\\n" if $debug;
+ print "\$debugging_enabled: \\$debugging_enabled\\\n" if $debug;
+ print "Not running cc, preprocesor output in \\$cpp_file\\\n" if $debug;
}
-else { ($cpp_file) = ($cc_cmd =~ /~~NOCC~~(.*)/) }
$objsuffix = shift @ARGV;
print "\$objsuffix: \\$objsuffix\\\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 $debug;
+# This part gets tricky. VAXC creates global symbols for each of the
+# constants in an enum if that enum is ever used as the data type of a
+# global[dr]ef. We have to detect enums which are used in this way, so we
+# can set up the constants as universal symbols, since anything which
+# #includes perl.h will want to resolve these global symbols.
+# We're using a weak test here - we basically know that the only enums
+# we need to handle now are the big one in opcode.h, and the
+# "typedef enum { ... } expectation" in perl.h, so we hard code
+# appropriate tests below. Since we can't know in general whether a given
+# enum will be used elsewhere in a globaldef, it's hard to decide a
+# priori whether its constants need to be treated as global symbols.
+sub scan_enum {
+ my($line) = @_;
+
+ return unless $isvaxc;
+
+ return unless /^\s+(OP|X)/; # we only want opcode and expectation enums
+ print "\tchecking for enum constant\n" if $debug > 1;
+ $line =~ s#/\*.+##;
+ $line =~ s/,?\s*\n?$//;
+ print "\tfiltered to \\$line\\\n" if $debug > 1;
+ if ($line =~ /(\w+)$/) {
+ print "\tconstant name is \\$1\\\n" if $debug > 1;
+ $enums{$1}++;
+ }
+}
sub scan_var {
my($line) = @_;
+ my($const) = $line =~ /^EXTCONST/;
print "\tchecking for global variable\n" if $debug > 1;
- $line =~ s/INIT\(.*\)//;
+ $line =~ s/\s*EXT/EXT/;
+ $line =~ s/INIT\s*\(.*\)//;
$line =~ s/\[.*//;
$line =~ s/=.*//;
$line =~ s/\W*;?\s*$//;
+ $line =~ s/\W*\)\s*\(.*$//; # closing paren for args stripped in previous stmt
print "\tfiltered to \\$line\\\n" if $debug > 1;
if ($line =~ /(\w+)$/) {
- print "\tvar name is \\$1\\\n" if $debug > 1;
- $vars{$1}++;
+ print "\tvar name is \\$1\\" . ($const ? ' (const)' : '') . "\n" if $debug > 1;
+ if ($const) { $cvars{$1}++; }
+ else { $vars{$1}++; }
+ }
+ if ($isvaxc) {
+ my($type) = $line =~ /^\s*EXT\w*\s+(\w+)/;
+ print "\tchecking for use of enum (type is \"$type\")\n" if $debug > 2;
+ if ($type eq 'expectation') {
+ $used_expectation_enum++;
+ print "\tsaw global use of enum \"expectation\"\n" if $debug > 1;
+ }
+ if ($type eq 'opcode') {
+ $used_opcode_enum++;
+ print "\tsaw global use of enum \"opcode\"\n" if $debug > 1;
+ }
}
}
my($line) = @_;
print "\tchecking for global routine\n" if $debug > 1;
- if ( /(\w+)\s+\(/ ) {
+ if ( $line =~ /(\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}++ }
+ else { $fcns{uc($1)}++ }
}
}
+# Go add some right up front if we need 'em
+if ($use_mymalloc) {
+ $fcns{uc('Perl_malloc')}++;
+ $fcns{uc('Perl_calloc')}++;
+ $fcns{uc('Perl_realloc')}++;
+ $fcns{uc('Perl_mfree')}++;
+}
+
+$used_expectation_enum = $used_opcode_enum = 0; # avoid warnings
if ($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: $!\n";
+ open(CPP,"$cpp_file") or die "$0: Can't read preprocessed file $cpp_file: $!\n";
}
+%checkh = map { $_,1 } qw( thread bytecode byterun proto );
+$ckfunc = 0;
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 $_ = <CPP>;
+ if (/^\s*EXT/) { &scan_var($_); }
+ else { &scan_func($_); }
+ last LINE unless defined($_ = <CPP>);
}
print "vmsish.h>> $_" if $debug > 2;
- if (/^EXT/) { &scan_var($_); }
- last LINE unless $_ = <CPP>;
+ if (/^\s*EXT/) { &scan_var($_); }
+ last LINE unless defined($_ = <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 $_ = <CPP>;
+ if (/^\s*EXT/) { &scan_var($_); }
+ if (/^\s+OP_/) { &scan_enum($_); }
+ last LINE unless defined($_ = <CPP>);
+ }
+ while (/^typedef enum/ .. /^\s*\}/) {
+ print "global enum>> $_" if $debug > 2;
+ &scan_enum($_);
+ last LINE unless defined($_ = <CPP>);
+ }
+ # Check for transition to new header file
+ if (/^# \d+ "(\S+)"/) {
+ my $spec = $1;
+ # Pull name from library module or header filespec
+ $spec =~ /^(\w+)$/ or $spec =~ /(\w+)\.h/i;
+ my $name = lc $1;
+ $ckfunc = exists $checkh{$name} ? 1 : 0;
+ $scanname = $name if $ckfunc;
+ print "Header file transition: ckfunc = $ckfunc for $name.h\n" if $debug > 1;
}
- while (/^#.*proto\.h/i .. /^#.*perl\.h/i) {
- print "proto.h>> $_" if $debug > 2;
- &scan_func($_);
- if (/^EXT/) { &scan_var($_); }
- last LINE unless $_ = <CPP>;
+ if ($ckfunc) {
+ print "$scanname>> $_" if $debug > 2;
+ if (/\s*^EXT/) { &scan_var($_); }
+ else { &scan_func($_); }
+ }
+ else {
+ print $_ if $debug > 3 && ($debug > 5 || length($_));
+ if (/^\s*EXT/) { &scan_var($_); }
}
- print $_ if $debug > 3;
- if (/^EXT/) { &scan_var($_); }
}
close CPP;
+
while (<DATA>) {
next if /^#/;
s/\s+#.*\n//;
+ next if /^\s*$/;
($key,$array) = split('=',$_);
+ if ($array eq 'vars') { $key = "PL_$key"; }
+ else { $key = "Perl_$key"; }
print "Adding $key to \%$array list\n" if $debug > 1;
${$array}{$key}++;
}
+if ($debugging_enabled and $isgcc) { $vars{'colors'}++ }
foreach (split /\s+/, $extnames) {
my($pkgname) = $_;
$pkgname =~ s/::/__/g;
- $funcs{"boot_$pkgname"}++;
- print "Adding boot_$pkgname to \%funcs (for extension $_)\n" if $debug;
+ $fcns{"boot_$pkgname"}++;
+ print "Adding boot_$pkgname to \%fcns (for extension $_)\n" if $debug;
+}
+
+# If we're using VAXC, fold in the names of the constants for enums
+# we've seen as the type of global vars.
+if ($isvaxc) {
+ foreach (keys %enums) {
+ if (/^OP/) {
+ $vars{$_}++ if $used_opcode_enum;
+ next;
+ }
+ if (/^X/) {
+ $vars{$_}++ if $used_expectation_enum;
+ next;
+ }
+ print STDERR "Unrecognized enum constant \"$_\" ignored\n";
+ }
}
# Eventually, we'll check against existing copies here, so we can add new
$marord++;
open(OPTBLD,">${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";
+
+unless ($isgcc) {
+ print OPTBLD "PSECT_ATTR=\$GLOBAL_RO_VARS,PIC,NOEXE,RD,NOWRT,SHR\n";
+ print OPTBLD "PSECT_ATTR=\$GLOBAL_RW_VARS,PIC,NOEXE,RD,WRT,NOSHR\n";
+}
+foreach $var (sort (keys %vars,keys %cvars)) {
if ($isvax) { print OPTBLD "UNIVERSAL=$var\n"; }
else { print OPTBLD "SYMBOL_VECTOR=($var=DATA)\n"; }
- if ($isvax) {
+ # This hack brought to you by the lack of a globaldef in gcc.
+ if ($isgcc) {
if ($count++ > 200) { # max 254 psects/file
print MAR "\t.end\n";
close MAR;
print MAR "\t.title perlshr_gbl$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) {
+foreach $func (sort keys %fcns) {
if ($isvax) {
print MAR "\t.transfer $func\n";
print MAR "\t.mask $func\n";
- print MAR "\tjmp L\^${func}+2\n";
+ print MAR "\tjmp G\^${func}+2\n";
}
else { print OPTBLD "SYMBOL_VECTOR=($func=PROCEDURE)\n"; }
}
+if ($isvax) {
+ print MAR "\t.end\n";
+ close MAR;
+}
+open(OPTATTR,">${dir}perlshr_attr.opt")
+ or die "$0: Can't write to ${dir}perlshr_attr.opt: $!\n";
+if ($isvaxc) {
+ print OPTATTR "PSECT_ATTR=\$CHAR_STRING_CONSTANTS,PIC,SHR,NOEXE,RD,NOWRT\n";
+}
+elsif ($isgcc) {
+ foreach $var (sort keys %cvars) {
+ print OPTATTR "PSECT_ATTR=${var},PIC,OVR,RD,NOEXE,NOWRT,SHR\n";
+ }
+ foreach $var (sort keys %vars) {
+ print OPTATTR "PSECT_ATTR=${var},PIC,OVR,RD,NOEXE,WRT,NOSHR\n";
+ }
+}
+else {
+ print OPTATTR "! No additional linker directives are needed when using DECC\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: $!\n";
print DRVR "\$ Set NoOn\n";
print DRVR "\$ Set Verify\n";
print DRVR "\$ If F\$Search(\"$libperl\").eqs.\"\" Then Library/Object/Create $libperl\n";
do {
- $incstr .= ",perlshr_gbl$marord";
+ push(@symfiles,"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);
close DRVR;
}
+# Initial hack to permit building of compatible shareable images for a
+# given version of Perl.
+if ($ENV{PERLSHR_USE_GSMATCH}) {
+ if ($ENV{PERLSHR_USE_GSMATCH} eq 'INCLUDE_COMPILE_OPTIONS') {
+ # Build up a major ID. Since it can only be 8 bits, we encode the version
+ # number in the top four bits and use the bottom four for build options
+ # that'll cause incompatibilities
+ ($ver, $sub) = $] =~ /\.(\d\d\d)(\d\d)/;
+ $gsmatch = ($sub >= 50) ? "equal" : "lequal"; # Force an equal match for
+ # dev, but be more forgiving
+ # for releases
+
+ $ver *=16;
+ $ver += 8 if $debugging_enabled; # If DEBUGGING is set
+ $ver += 4 if $use_threads; # if we're threaded
+ $ver += 2 if $use_mymalloc; # if we're using perl's malloc
+ print OPTBLD "GSMATCH=$gsmatch,$ver,$sub\n";
+ }
+ else {
+ my $major = int($] * 1000) & 0xFF; # range 0..255
+ my $minor = int(($] * 1000 - $major) * 100 + 0.5) & 0xFF; # range 0..255
+ print OPTBLD "GSMATCH=LEQUAL,$major,$minor\n";
+ }
+ print OPTBLD 'CLUSTER=$$TRANSFER_VECTOR,,',
+ map(",$_$objsuffix",@symfiles), "\n";
+}
+elsif (@symfiles) { $incstr .= ',' . join(',',@symfiles); }
# Include object modules and RTLs in options file
# Linker wants /Include and /Library on different lines
print OPTBLD "$libperl/Include=($incstr)\n";
print OPTBLD "$libperl/Library\n";
-open(RTLOPT,$rtlopt) or die "$0: Can't read $rtlopt: $!\n";
+open(RTLOPT,$rtlopt) or die "$0: Can't read options file $rtlopt: $!\n";
while (<RTLOPT>) { print OPTBLD; }
close RTLOPT;
close OPTBLD;
__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
https://perl5.git.perl.org / perl5.git / blobdiff