makedef.pl

   1 #./perl -w
   2 #
   3 # Create the export list for perl.
   4 #
   5 # Needed by WIN32 and OS/2 for creating perl.dll,
   6 # and by AIX for creating libperl.a when -Dusershrplib is in effect,
   7 # and by MacOS Classic.
   8 #
   9 # Reads from information stored in
  10 #
  11 #    config.h
  12 #    config.sh
  13 #    global.sym
  14 #    globvar.sym
  15 #    intrpvar.h
  16 #    macperl.sym  (on MacOS)
  17 #    miniperl.map (on OS/2)
  18 #    perl5.def    (on OS/2; this is the old version of the file being made)
  19 #    perlio.sym
  20 #    perlvars.h
  21 #
  22 # plus long lists of function names hard-coded directly in this script and
  23 # in the DATA section.
  24 #
  25 # Writes the result to STDOUT.
  26 #
  27 # Normally this script is invoked from a makefile (e.g. win32/Makefile),
  28 # which redirects STDOUT to a suitable file, such as:
  29 #
  30 #    perl5.def   OS/2
  31 #    perldll.def Windows
  32 #    perl.exp    AIX
  33 #    perl.imp    NetWare
  34
  35
  36 BEGIN { unshift @INC, "lib" }
  37 use Config;
  38 use strict;
  39
  40 use vars qw($PLATFORM $CCTYPE $FILETYPE $CONFIG_ARGS $ARCHNAME $PATCHLEVEL);
  41
  42 my (%define, %ordinal);
  43
  44 while (@ARGV) {
  45     my $flag = shift;
  46     if ($flag =~ s/^CC_FLAGS=/ /) {
  47         for my $fflag ($flag =~ /(?:^|\s)-D(\S+)/g) {
  48             $fflag     .= '=1' unless $fflag =~ /^(\w+)=/;
  49             $define{$1} = $2   if $fflag =~ /^(\w+)=(.+)$/;
  50         }
  51         next;
  52     }
  53     $define{$1} = 1 if ($flag =~ /^-D(\w+)$/);
  54     $define{$1} = $2 if ($flag =~ /^-D(\w+)=(.+)$/);
  55     $CCTYPE   = $1 if ($flag =~ /^CCTYPE=(\w+)$/);
  56     $PLATFORM = $1 if ($flag =~ /^PLATFORM=(\w+)$/);
  57     if ($PLATFORM eq 'netware') {
  58         $FILETYPE = $1 if ($flag =~ /^FILETYPE=(\w+)$/);
  59     }
  60 }
  61
  62 my @PLATFORM = qw(aix win32 wince os2 MacOS netware);
  63 my %PLATFORM;
  64 @PLATFORM{@PLATFORM} = ();
  65
  66 defined $PLATFORM || die "PLATFORM undefined, must be one of: @PLATFORM\n";
  67 exists $PLATFORM{$PLATFORM} || die "PLATFORM must be one of: @PLATFORM\n";
  68
  69 if ($PLATFORM eq 'win32' or $PLATFORM eq 'wince' or $PLATFORM eq "aix") {
  70         # Add the compile-time options that miniperl was built with to %define.
  71         # On Win32 these are not the same options as perl itself will be built
  72         # with since miniperl is built with a canned config (one of the win32/
  73         # config_H.*) and none of the BUILDOPT's that are set in the makefiles,
  74         # but they do include some #define's that are hard-coded in various
  75         # source files and header files and don't include any BUILDOPT's that
  76         # the user might have chosen to disable because the canned configs are
  77         # minimal configs that don't include any of those options.
  78         my $opts = ($PLATFORM eq 'wince' ? '-MCross' : ''); # for wince need Cross.pm to get Config.pm
  79
  80         $ENV{PERL5LIB} = join $Config{path_sep}, @INC;
  81         my $cmd = "$^X $opts -V";
  82         my $config = `$cmd`
  83             or die "Couldn't run [$cmd]: $!";
  84         my($options) = $config =~ /^  Compile-time options: (.*?)\n^  \S/ms;
  85         $options =~ s/\s+/ /g;
  86         print STDERR "Options: ($options)\n";
  87         foreach (split /\s+/, $options) {
  88                 $define{$_} = 1;
  89         }
  90 }
  91
  92 my %exportperlmalloc =
  93     (
  94        Perl_malloc              =>      "malloc",
  95        Perl_mfree               =>      "free",
  96        Perl_realloc             =>      "realloc",
  97        Perl_calloc              =>      "calloc",
  98     );
  99
 100 my $exportperlmalloc = $PLATFORM eq 'os2';
 101
 102 my $config_sh   = "config.sh";
 103 my $config_h    = "config.h";
 104 my $intrpvar_h  = "intrpvar.h";
 105 my $perlvars_h  = "perlvars.h";
 106 my $global_sym  = "global.sym";
 107 my $pp_sym      = "pp.sym";
 108 my $globvar_sym = "globvar.sym";
 109 my $perlio_sym  = "perlio.sym";
 110 my $static_ext = "";
 111
 112 if ($PLATFORM eq 'aix') {
 113     # Nothing for now.
 114 }
 115 elsif ($PLATFORM =~ /^win(?:32|ce)$/ || $PLATFORM eq 'netware') {
 116     $CCTYPE = "MSVC" unless defined $CCTYPE;
 117     foreach ($intrpvar_h, $perlvars_h, $global_sym,
 118              $pp_sym, $globvar_sym, $perlio_sym) {
 119         s!^!..\\!;
 120     }
 121 }
 122 elsif ($PLATFORM eq 'MacOS') {
 123     foreach ($intrpvar_h, $perlvars_h, $global_sym,
 124              $pp_sym, $globvar_sym, $perlio_sym) {
 125         s!^!::!;
 126     }
 127 }
 128
 129 unless ($PLATFORM eq 'win32' || $PLATFORM eq 'wince' || $PLATFORM eq 'MacOS' || $PLATFORM eq 'netware') {
 130     open(CFG,$config_sh) || die "Cannot open $config_sh: $!\n";
 131     while (<CFG>) {
 132         if (/^(?:ccflags|optimize)='(.+)'$/) {
 133             $_ = $1;
 134             $define{$1} = 1 while /-D(\w+)/g;
 135         }
 136         if (/^(d_(?:mmap|sigaction))='(.+)'$/) {
 137             $define{$1} = $2;
 138         }
 139         if ($PLATFORM eq 'os2') {
 140             $CONFIG_ARGS = $1 if /^config_args='(.+)'$/;
 141             $ARCHNAME =    $1 if /^archname='(.+)'$/;
 142             $PATCHLEVEL =  $1 if /^perl_patchlevel='(.+)'$/;
 143         }
 144     }
 145     close(CFG);
 146 }
 147 if ($PLATFORM eq 'win32' || $PLATFORM eq 'wince') {
 148     open(CFG,"<..\\$config_sh") || die "Cannot open ..\\$config_sh: $!\n";
 149     if ((join '', <CFG>) =~ /^static_ext='(.*)'$/m) {
 150         $static_ext = $1;
 151     }
 152     close(CFG);
 153 }
 154
 155 open(CFG,$config_h) || die "Cannot open $config_h: $!\n";
 156 while (<CFG>) {
 157     $define{$1} = 1 if /^\s*#\s*define\s+(MYMALLOC)\b/;
 158     $define{$1} = 1 if /^\s*#\s*define\s+(MULTIPLICITY)\b/;
 159     $define{$1} = 1 if /^\s*#\s*define\s+(PERL_\w+)\b/;
 160     $define{$1} = 1 if /^\s*#\s*define\s+(USE_\w+)\b/;
 161     $define{$1} = 1 if /^\s*#\s*define\s+(HAS_\w+)\b/;
 162 }
 163 close(CFG);
 164
 165 # perl.h logic duplication begins
 166
 167 if ($define{PERL_IMPLICIT_SYS}) {
 168     $define{PL_OP_SLAB_ALLOC} = 1;
 169 }
 170
 171 if ($define{USE_ITHREADS}) {
 172     if (!$define{MULTIPLICITY}) {
 173         $define{MULTIPLICITY} = 1;
 174     }
 175 }
 176
 177 $define{PERL_IMPLICIT_CONTEXT} ||=
 178     $define{USE_ITHREADS} ||
 179     $define{MULTIPLICITY} ;
 180
 181 if ($define{USE_ITHREADS} && $PLATFORM ne 'win32' && $^O ne 'darwin') {
 182     $define{USE_REENTRANT_API} = 1;
 183 }
 184
 185 # perl.h logic duplication ends
 186
 187 my $sym_ord = 0;
 188
 189 print STDERR "Defines: (" . join(' ', sort keys %define) . ")\n";
 190
 191 if ($PLATFORM =~ /^win(?:32|ce)$/) {
 192     (my $dll = ($define{PERL_DLL} || "perl511")) =~ s/\.dll$//i;
 193     print "LIBRARY $dll\n";
 194     # The DESCRIPTION module definition file statement is not supported
 195     # by VC7 onwards.
 196     if ($CCTYPE !~ /^MSVC7/ && $CCTYPE !~ /^MSVC8/ && $CCTYPE !~ /^MSVC9/) {
 197         print "DESCRIPTION 'Perl interpreter'\n";
 198     }
 199     print "EXPORTS\n";
 200     if ($define{PERL_IMPLICIT_SYS}) {
 201         output_symbol("perl_get_host_info");
 202         output_symbol("perl_alloc_override");
 203     }
 204     if ($define{USE_ITHREADS} and $define{PERL_IMPLICIT_SYS}) {
 205         output_symbol("perl_clone_host");
 206     }
 207 }
 208 elsif ($PLATFORM eq 'os2') {
 209     if (open my $fh, '<', 'perl5.def') {
 210       while (<$fh>) {
 211         last if /^\s*EXPORTS\b/;
 212       }
 213       while (<$fh>) {
 214         $ordinal{$1} = $2 if /^\s*"(\w+)"\s*(?:=\s*"\w+"\s*)?\@(\d+)\s*$/;
 215         # This allows skipping ordinals which were used in older versions
 216         $sym_ord = $1 if /^\s*;\s*LAST_ORDINAL\s*=\s*(\d+)\s*$/;
 217       }
 218       $sym_ord < $_ and $sym_ord = $_ for values %ordinal; # Take the max
 219     }
 220     (my $v = $]) =~ s/(\d\.\d\d\d)(\d\d)$/$1_$2/;
 221     $v .= '-thread' if $ARCHNAME =~ /-thread/;
 222     (my $dll = $define{PERL_DLL}) =~ s/\.dll$//i;
 223     $v .= "\@$PATCHLEVEL" if $PATCHLEVEL;
 224     my $d = "DESCRIPTION '\@#perl5-porters\@perl.org:$v#\@ Perl interpreter, configured as $CONFIG_ARGS'";
 225     $d = substr($d, 0, 249) . "...'" if length $d > 253;
 226     print <<"---EOP---";
 227 LIBRARY '$dll' INITINSTANCE TERMINSTANCE
 228 $d
 229 STACKSIZE 32768
 230 CODE LOADONCALL
 231 DATA LOADONCALL NONSHARED MULTIPLE
 232 EXPORTS
 233 ---EOP---
 234 }
 235 elsif ($PLATFORM eq 'aix') {
 236     my $OSVER = `uname -v`;
 237     chop $OSVER;
 238     my $OSREL = `uname -r`;
 239     chop $OSREL;
 240     if ($OSVER > 4 || ($OSVER == 4 && $OSREL >= 3)) {
 241         print "#! ..\n";
 242     } else {
 243         print "#!\n";
 244     }
 245 }
 246 elsif ($PLATFORM eq 'netware') {
 247         if ($FILETYPE eq 'def') {
 248         print "LIBRARY perl511\n";
 249         print "DESCRIPTION 'Perl interpreter for NetWare'\n";
 250         print "EXPORTS\n";
 251         }
 252         if ($define{PERL_IMPLICIT_SYS}) {
 253             output_symbol("perl_get_host_info");
 254             output_symbol("perl_alloc_override");
 255             output_symbol("perl_clone_host");
 256         }
 257 }
 258
 259 my %skip;
 260 my %export;
 261
 262 sub skip_symbols {
 263     my $list = shift;
 264     foreach my $symbol (@$list) {
 265         $skip{$symbol} = 1;
 266     }
 267 }
 268
 269 sub emit_symbols {
 270     my $list = shift;
 271     foreach my $symbol (@$list) {
 272         my $skipsym = $symbol;
 273         # XXX hack
 274         if ($define{MULTIPLICITY}) {
 275             $skipsym =~ s/^Perl_[GIT](\w+)_ptr$/PL_$1/;
 276         }
 277         emit_symbol($symbol) unless exists $skip{$skipsym};
 278     }
 279 }
 280
 281 if ($PLATFORM eq 'win32') {
 282     skip_symbols [qw(
 283                      PL_statusvalue_vms
 284                      PL_archpat_auto
 285                      PL_cryptseen
 286                      PL_DBcv
 287                      PL_generation
 288                      PL_lastgotoprobe
 289                      PL_linestart
 290                      PL_modcount
 291                      PL_pending_ident
 292                      PL_sublex_info
 293                      PL_timesbuf
 294                      main
 295                      Perl_ErrorNo
 296                      Perl_GetVars
 297                      Perl_do_exec3
 298                      Perl_do_ipcctl
 299                      Perl_do_ipcget
 300                      Perl_do_msgrcv
 301                      Perl_do_msgsnd
 302                      Perl_do_semop
 303                      Perl_do_shmio
 304                      Perl_dump_fds
 305                      Perl_init_thread_intern
 306                      Perl_my_bzero
 307                      Perl_my_bcopy
 308                      Perl_my_htonl
 309                      Perl_my_ntohl
 310                      Perl_my_swap
 311                      Perl_my_chsize
 312                      Perl_same_dirent
 313                      Perl_setenv_getix
 314                      Perl_unlnk
 315                      Perl_watch
 316                      Perl_safexcalloc
 317                      Perl_safexmalloc
 318                      Perl_safexfree
 319                      Perl_safexrealloc
 320                      Perl_my_memcmp
 321                      Perl_my_memset
 322                      PL_cshlen
 323                      PL_cshname
 324                      PL_opsave
 325                      Perl_do_exec
 326                      Perl_getenv_len
 327                      Perl_my_pclose
 328                      Perl_my_popen
 329                      Perl_my_sprintf
 330                      )];
 331 }
 332 else {
 333     skip_symbols [qw(
 334                      Perl_do_spawn
 335                      Perl_do_spawn_nowait
 336                      Perl_do_aspawn
 337                      )];
 338 }
 339 if ($PLATFORM eq 'wince') {
 340     skip_symbols [qw(
 341                      PL_statusvalue_vms
 342                      PL_archpat_auto
 343                      PL_cryptseen
 344                      PL_DBcv
 345                      PL_generation
 346                      PL_lastgotoprobe
 347                      PL_linestart
 348                      PL_modcount
 349                      PL_pending_ident
 350                      PL_sublex_info
 351                      PL_timesbuf
 352                      PL_collation_ix
 353                      PL_collation_name
 354                      PL_collation_standard
 355                      PL_collxfrm_base
 356                      PL_collxfrm_mult
 357                      PL_numeric_compat1
 358                      PL_numeric_local
 359                      PL_numeric_name
 360                      PL_numeric_radix_sv
 361                      PL_numeric_standard
 362                      PL_vtbl_collxfrm
 363                      Perl_sv_collxfrm
 364                      setgid
 365                      setuid
 366                      win32_free_childdir
 367                      win32_free_childenv
 368                      win32_get_childdir
 369                      win32_get_childenv
 370                      win32_spawnvp
 371                      main
 372                      Perl_ErrorNo
 373                      Perl_GetVars
 374                      Perl_do_exec3
 375                      Perl_do_ipcctl
 376                      Perl_do_ipcget
 377                      Perl_do_msgrcv
 378                      Perl_do_msgsnd
 379                      Perl_do_semop
 380                      Perl_do_shmio
 381                      Perl_dump_fds
 382                      Perl_init_thread_intern
 383                      Perl_my_bzero
 384                      Perl_my_bcopy
 385                      Perl_my_htonl
 386                      Perl_my_ntohl
 387                      Perl_my_swap
 388                      Perl_my_chsize
 389                      Perl_same_dirent
 390                      Perl_setenv_getix
 391                      Perl_unlnk
 392                      Perl_watch
 393                      Perl_safexcalloc
 394                      Perl_safexmalloc
 395                      Perl_safexfree
 396                      Perl_safexrealloc
 397                      Perl_my_memcmp
 398                      Perl_my_memset
 399                      PL_cshlen
 400                      PL_cshname
 401                      PL_opsave
 402                      Perl_do_exec
 403                      Perl_getenv_len
 404                      Perl_my_pclose
 405                      Perl_my_popen
 406                      Perl_my_sprintf
 407                      )];
 408 }
 409 elsif ($PLATFORM eq 'aix') {
 410     skip_symbols([qw(
 411                      Perl_dump_fds
 412                      Perl_ErrorNo
 413                      Perl_GetVars
 414                      Perl_my_bcopy
 415                      Perl_my_bzero
 416                      Perl_my_chsize
 417                      Perl_my_htonl
 418                      Perl_my_memcmp
 419                      Perl_my_memset
 420                      Perl_my_ntohl
 421                      Perl_my_swap
 422                      Perl_safexcalloc
 423                      Perl_safexfree
 424                      Perl_safexmalloc
 425                      Perl_safexrealloc
 426                      Perl_same_dirent
 427                      Perl_unlnk
 428                      Perl_sys_intern_clear
 429                      Perl_sys_intern_dup
 430                      Perl_sys_intern_init
 431                      Perl_my_sprintf
 432                      PL_cryptseen
 433                      PL_opsave
 434                      PL_statusvalue_vms
 435                      PL_sys_intern
 436                      )]);
 437     skip_symbols([qw(
 438                      Perl_signbit
 439                      )])
 440         if $define{'HAS_SIGNBIT'};
 441     emit_symbols([qw(
 442                      boot_DynaLoader
 443                      )]);
 444 }
 445 elsif ($PLATFORM eq 'os2') {
 446     emit_symbols([qw(
 447                     ctermid
 448                     get_sysinfo
 449                     Perl_OS2_init
 450                     Perl_OS2_init3
 451                     Perl_OS2_term
 452                     OS2_Perl_data
 453                     dlopen
 454                     dlsym
 455                     dlerror
 456                     dlclose
 457                     dup2
 458                     dup
 459                     my_tmpfile
 460                     my_tmpnam
 461                     my_flock
 462                     my_rmdir
 463                     my_mkdir
 464                     my_getpwuid
 465                     my_getpwnam
 466                     my_getpwent
 467                     my_setpwent
 468                     my_endpwent
 469                     fork_with_resources
 470                     croak_with_os2error
 471                     setgrent
 472                     endgrent
 473                     getgrent
 474                     malloc_mutex
 475                     threads_mutex
 476                     nthreads
 477                     nthreads_cond
 478                     os2_cond_wait
 479                     os2_stat
 480                     os2_execname
 481                     async_mssleep
 482                     msCounter
 483                     InfoTable
 484                     pthread_join
 485                     pthread_create
 486                     pthread_detach
 487                     XS_Cwd_change_drive
 488                     XS_Cwd_current_drive
 489                     XS_Cwd_extLibpath
 490                     XS_Cwd_extLibpath_set
 491                     XS_Cwd_sys_abspath
 492                     XS_Cwd_sys_chdir
 493                     XS_Cwd_sys_cwd
 494                     XS_Cwd_sys_is_absolute
 495                     XS_Cwd_sys_is_relative
 496                     XS_Cwd_sys_is_rooted
 497                     XS_DynaLoader_mod2fname
 498                     XS_File__Copy_syscopy
 499                     Perl_Register_MQ
 500                     Perl_Deregister_MQ
 501                     Perl_Serve_Messages
 502                     Perl_Process_Messages
 503                     init_PMWIN_entries
 504                     PMWIN_entries
 505                     Perl_hab_GET
 506                     loadByOrdinal
 507                     pExtFCN
 508                     os2error
 509                     ResetWinError
 510                     CroakWinError
 511                     PL_do_undump
 512                     )]);
 513     emit_symbols([qw(os2_cond_wait
 514                      pthread_join
 515                      pthread_create
 516                      pthread_detach
 517                     )])
 518       if $define{'USE_5005THREADS'} or $define{'USE_ITHREADS'};
 519 }
 520 elsif ($PLATFORM eq 'MacOS') {
 521     skip_symbols [qw(
 522                     Perl_GetVars
 523                     PL_cryptseen
 524                     PL_cshlen
 525                     PL_cshname
 526                     PL_statusvalue_vms
 527                     PL_sys_intern
 528                     PL_opsave
 529                     PL_timesbuf
 530                     Perl_dump_fds
 531                     Perl_my_bcopy
 532                     Perl_my_bzero
 533                     Perl_my_chsize
 534                     Perl_my_htonl
 535                     Perl_my_memcmp
 536                     Perl_my_memset
 537                     Perl_my_ntohl
 538                     Perl_my_swap
 539                     Perl_safexcalloc
 540                     Perl_safexfree
 541                     Perl_safexmalloc
 542                     Perl_safexrealloc
 543                     Perl_unlnk
 544                     Perl_sys_intern_clear
 545                     Perl_sys_intern_init
 546                     )];
 547 }
 548 elsif ($PLATFORM eq 'netware') {
 549         skip_symbols [qw(
 550                         PL_statusvalue_vms
 551                         PL_archpat_auto
 552                         PL_cryptseen
 553                         PL_DBcv
 554                         PL_generation
 555                         PL_lastgotoprobe
 556                         PL_linestart
 557                         PL_modcount
 558                         PL_pending_ident
 559                         PL_sublex_info
 560                         PL_timesbuf
 561                         main
 562                         Perl_ErrorNo
 563                         Perl_GetVars
 564                         Perl_do_exec3
 565                         Perl_do_ipcctl
 566                         Perl_do_ipcget
 567                         Perl_do_msgrcv
 568                         Perl_do_msgsnd
 569                         Perl_do_semop
 570                         Perl_do_shmio
 571                         Perl_dump_fds
 572                         Perl_init_thread_intern
 573                         Perl_my_bzero
 574                         Perl_my_htonl
 575                         Perl_my_ntohl
 576                         Perl_my_swap
 577                         Perl_my_chsize
 578                         Perl_same_dirent
 579                         Perl_setenv_getix
 580                         Perl_unlnk
 581                         Perl_watch
 582                         Perl_safexcalloc
 583                         Perl_safexmalloc
 584                         Perl_safexfree
 585                         Perl_safexrealloc
 586                         Perl_my_memcmp
 587                         Perl_my_memset
 588                         PL_cshlen
 589                         PL_cshname
 590                         PL_opsave
 591                         Perl_do_exec
 592                         Perl_getenv_len
 593                         Perl_my_pclose
 594                         Perl_my_popen
 595                         Perl_sys_intern_init
 596                         Perl_sys_intern_dup
 597                         Perl_sys_intern_clear
 598                         Perl_my_bcopy
 599                         Perl_PerlIO_write
 600                         Perl_PerlIO_unread
 601                         Perl_PerlIO_tell
 602                         Perl_PerlIO_stdout
 603                         Perl_PerlIO_stdin
 604                         Perl_PerlIO_stderr
 605                         Perl_PerlIO_setlinebuf
 606                         Perl_PerlIO_set_ptrcnt
 607                         Perl_PerlIO_set_cnt
 608                         Perl_PerlIO_seek
 609                         Perl_PerlIO_read
 610                         Perl_PerlIO_get_ptr
 611                         Perl_PerlIO_get_cnt
 612                         Perl_PerlIO_get_bufsiz
 613                         Perl_PerlIO_get_base
 614                         Perl_PerlIO_flush
 615                         Perl_PerlIO_fill
 616                         Perl_PerlIO_fileno
 617                         Perl_PerlIO_error
 618                         Perl_PerlIO_eof
 619                         Perl_PerlIO_close
 620                         Perl_PerlIO_clearerr
 621                         PerlIO_perlio
 622                         )];
 623 }
 624
 625 unless ($define{'DEBUGGING'}) {
 626     skip_symbols [qw(
 627                     Perl_deb_growlevel
 628                     Perl_debop
 629                     Perl_debprofdump
 630                     Perl_debstack
 631                     Perl_debstackptrs
 632                     Perl_pad_sv
 633                     Perl_hv_assert
 634                     PL_block_type
 635                     PL_scopestack_name
 636                     PL_watchaddr
 637                     PL_watchok
 638                     PL_watch_pvx
 639                     )];
 640 }
 641
 642 if ($define{'PERL_IMPLICIT_CONTEXT'}) {
 643     skip_symbols [qw(
 644                     PL_sig_sv
 645                     )];
 646 }
 647
 648 if ($define{'PERL_IMPLICIT_SYS'}) {
 649     skip_symbols [qw(
 650                     Perl_getenv_len
 651                     Perl_my_popen
 652                     Perl_my_pclose
 653                     )];
 654 }
 655 else {
 656     skip_symbols [qw(
 657                     PL_Mem
 658                     PL_MemShared
 659                     PL_MemParse
 660                     PL_Env
 661                     PL_StdIO
 662                     PL_LIO
 663                     PL_Dir
 664                     PL_Sock
 665                     PL_Proc
 666                     )];
 667 }
 668
 669 unless ($define{'PERL_OLD_COPY_ON_WRITE'}) {
 670     skip_symbols [qw(
 671                     Perl_sv_setsv_cow
 672                   )];
 673 }
 674
 675 unless ($define{'USE_REENTRANT_API'}) {
 676     skip_symbols [qw(
 677                     PL_reentrant_buffer
 678                     )];
 679 }
 680
 681 if ($define{'MYMALLOC'}) {
 682     emit_symbols [qw(
 683                     Perl_dump_mstats
 684                     Perl_get_mstats
 685                     Perl_strdup
 686                     Perl_putenv
 687                     MallocCfg_ptr
 688                     MallocCfgP_ptr
 689                     )];
 690     if ($define{'USE_ITHREADS'}) {
 691         emit_symbols [qw(
 692                         PL_malloc_mutex
 693                         )];
 694     }
 695     else {
 696         skip_symbols [qw(
 697                         PL_malloc_mutex
 698                         )];
 699     }
 700 }
 701 else {
 702     skip_symbols [qw(
 703                     PL_malloc_mutex
 704                     Perl_dump_mstats
 705                     Perl_get_mstats
 706                     Perl_malloced_size
 707                     Perl_malloc_good_size
 708                     MallocCfg_ptr
 709                     MallocCfgP_ptr
 710                     )];
 711 }
 712
 713 if ($define{'PERL_USE_SAFE_PUTENV'}) {
 714     skip_symbols [qw(
 715                    PL_use_safe_putenv
 716                   )];
 717 }
 718
 719 unless ($define{'USE_ITHREADS'}) {
 720     skip_symbols [qw(
 721                     PL_thr_key
 722                     )];
 723 }
 724
 725 # USE_5005THREADS symbols. Kept as reference for easier removal
 726     skip_symbols [qw(
 727                     PL_sv_mutex
 728                     PL_strtab_mutex
 729                     PL_svref_mutex
 730                     PL_cred_mutex
 731                     PL_eval_mutex
 732                     PL_fdpid_mutex
 733                     PL_sv_lock_mutex
 734                     PL_eval_cond
 735                     PL_eval_owner
 736                     PL_threads_mutex
 737                     PL_nthreads
 738                     PL_nthreads_cond
 739                     PL_threadnum
 740                     PL_threadsv_names
 741                     PL_thrsv
 742                     PL_vtbl_mutex
 743                     Perl_condpair_magic
 744                     Perl_new_struct_thread
 745                     Perl_per_thread_magicals
 746                     Perl_thread_create
 747                     Perl_find_threadsv
 748                     Perl_unlock_condpair
 749                     Perl_magic_mutexfree
 750                     Perl_sv_lock
 751                     )];
 752
 753 unless ($define{'USE_ITHREADS'}) {
 754     skip_symbols [qw(
 755                     PL_op_mutex
 756                     PL_regex_pad
 757                     PL_regex_padav
 758                     PL_sharedsv_space
 759                     PL_sharedsv_space_mutex
 760                     PL_dollarzero_mutex
 761                     PL_hints_mutex
 762                     PL_perlio_mutex
 763                     PL_regdupe
 764                     Perl_parser_dup
 765                     Perl_dirp_dup
 766                     Perl_cx_dup
 767                     Perl_si_dup
 768                     Perl_any_dup
 769                     Perl_ss_dup
 770                     Perl_fp_dup
 771                     Perl_gp_dup
 772                     Perl_he_dup
 773                     Perl_mg_dup
 774                     Perl_mro_meta_dup
 775                     Perl_re_dup_guts
 776                     Perl_sv_dup
 777                     Perl_rvpv_dup
 778                     Perl_hek_dup
 779                     Perl_sys_intern_dup
 780                     perl_clone
 781                     perl_clone_using
 782                     Perl_sharedsv_find
 783                     Perl_sharedsv_init
 784                     Perl_sharedsv_lock
 785                     Perl_sharedsv_new
 786                     Perl_sharedsv_thrcnt_dec
 787                     Perl_sharedsv_thrcnt_inc
 788                     Perl_sharedsv_unlock
 789                     Perl_stashpv_hvname_match
 790                     Perl_regdupe_internal
 791                     Perl_newPADOP
 792                     )];
 793 }
 794
 795 unless ($define{'PERL_IMPLICIT_CONTEXT'}) {
 796     skip_symbols [qw(
 797                     PL_my_ctx_mutex
 798                     PL_my_cxt_index
 799                     PL_my_cxt_list
 800                     PL_my_cxt_size
 801                     PL_my_cxt_keys
 802                     Perl_croak_nocontext
 803                     Perl_die_nocontext
 804                     Perl_deb_nocontext
 805                     Perl_form_nocontext
 806                     Perl_load_module_nocontext
 807                     Perl_mess_nocontext
 808                     Perl_warn_nocontext
 809                     Perl_warner_nocontext
 810                     Perl_newSVpvf_nocontext
 811                     Perl_sv_catpvf_nocontext
 812                     Perl_sv_setpvf_nocontext
 813                     Perl_sv_catpvf_mg_nocontext
 814                     Perl_sv_setpvf_mg_nocontext
 815                     Perl_my_cxt_init
 816                     Perl_my_cxt_index
 817                     )];
 818 }
 819
 820 unless ($define{'PERL_IMPLICIT_SYS'}) {
 821     skip_symbols [qw(
 822                     perl_alloc_using
 823                     perl_clone_using
 824                     )];
 825 }
 826
 827 unless ($define{'FAKE_THREADS'}) {
 828     skip_symbols [qw(PL_curthr)];
 829 }
 830
 831 unless ($define{'PL_OP_SLAB_ALLOC'}) {
 832     skip_symbols [qw(
 833                      PL_OpPtr
 834                      PL_OpSlab
 835                      PL_OpSpace
 836                      Perl_Slab_Alloc
 837                      Perl_Slab_Free
 838                     )];
 839 }
 840
 841 unless ($define{'PERL_DEBUG_READONLY_OPS'}) {
 842     skip_symbols [qw(
 843                     PL_slab_count
 844                     PL_slabs
 845                   )];
 846 }
 847
 848 unless ($define{'THREADS_HAVE_PIDS'}) {
 849     skip_symbols [qw(PL_ppid)];
 850 }
 851
 852 unless ($define{'PERL_NEED_APPCTX'}) {
 853     skip_symbols [qw(
 854                     PL_appctx
 855                     )];
 856 }
 857
 858 unless ($define{'PERL_NEED_TIMESBASE'}) {
 859     skip_symbols [qw(
 860                     PL_timesbase
 861                     )];
 862 }
 863
 864 unless ($define{'DEBUG_LEAKING_SCALARS'}) {
 865     skip_symbols [qw(
 866                     PL_sv_serial
 867                     )];
 868 }
 869
 870 unless ($define{'DEBUG_LEAKING_SCALARS_FORK_DUMP'}) {
 871     skip_symbols [qw(
 872                     PL_dumper_fd
 873                     )];
 874 }
 875 unless ($define{'PERL_DONT_CREATE_GVSV'}) {
 876     skip_symbols [qw(
 877                      Perl_gv_SVadd
 878                     )];
 879 }
 880 if ($define{'SPRINTF_RETURNS_STRLEN'}) {
 881     skip_symbols [qw(
 882                      Perl_my_sprintf
 883                     )];
 884 }
 885 unless ($define{'PERL_USES_PL_PIDSTATUS'}) {
 886     skip_symbols [qw(
 887                      Perl_pidgone
 888                      PL_pidstatus
 889                     )];
 890 }
 891
 892 unless ($define{'PERL_TRACK_MEMPOOL'}) {
 893     skip_symbols [qw(
 894                      PL_memory_debug_header
 895                     )];
 896 }
 897
 898 if ($define{'PERL_MAD'}) {
 899     skip_symbols [qw(
 900                      PL_nextval
 901                      PL_nexttype
 902                      )];
 903 } else {
 904     skip_symbols [qw(
 905                     PL_madskills
 906                     PL_xmlfp
 907                     PL_lasttoke
 908                     PL_realtokenstart
 909                     PL_faketokens
 910                     PL_thismad
 911                     PL_thistoken
 912                     PL_thisopen
 913                     PL_thisstuff
 914                     PL_thisclose
 915                     PL_thiswhite
 916                     PL_nextwhite
 917                     PL_skipwhite
 918                     PL_endwhite
 919                     PL_curforce
 920                     Perl_pad_peg
 921                     Perl_xmldump_indent
 922                     Perl_xmldump_vindent
 923                     Perl_xmldump_all
 924                     Perl_xmldump_packsubs
 925                     Perl_xmldump_sub
 926                     Perl_xmldump_form
 927                     Perl_xmldump_eval
 928                     Perl_sv_catxmlsv
 929                     Perl_sv_catxmlpvn
 930                     Perl_sv_xmlpeek
 931                     Perl_do_pmop_xmldump
 932                     Perl_pmop_xmldump
 933                     Perl_do_op_xmldump
 934                     Perl_op_xmldump
 935                     )];
 936 }
 937
 938 unless ($define{'MULTIPLICITY'}) {
 939     skip_symbols [qw(
 940                     PL_interp_size
 941                     PL_interp_size_5_10_0
 942                     )];
 943 }
 944
 945 unless ($define{'PERL_GLOBAL_STRUCT'}) {
 946     skip_symbols [qw(
 947                     PL_global_struct_size
 948                     )];
 949 }
 950
 951 unless ($define{'PERL_GLOBAL_STRUCT_PRIVATE'}) {
 952     skip_symbols [qw(
 953                     PL_my_cxt_keys
 954                     Perl_my_cxt_index
 955                     )];
 956 }
 957
 958 unless ($define{'d_mmap'}) {
 959     skip_symbols [qw(
 960                     PL_mmap_page_size
 961                     )];
 962 }
 963
 964 if ($define{'d_sigaction'}) {
 965     skip_symbols [qw(
 966                     PL_sig_trapped
 967                     )];
 968 }
 969
 970 if ($^O ne 'vms') {
 971     # VMS does its own thing for these symbols.
 972     skip_symbols [qw(PL_sig_handlers_initted
 973                      PL_sig_ignoring
 974                      PL_sig_defaulting)];
 975 }
 976
 977 sub readvar {
 978     my $file = shift;
 979     my $proc = shift || sub { "PL_$_[2]" };
 980     open(VARS,$file) || die "Cannot open $file: $!\n";
 981     my @syms;
 982     while (<VARS>) {
 983         # All symbols have a Perl_ prefix because that's what embed.h
 984         # sticks in front of them.  The A?I?S?C? is strictly speaking
 985         # wrong.
 986         push(@syms, &$proc($1,$2,$3)) if (/\bPERLVAR(A?I?S?C?)\(([IGT])(\w+)/);
 987     }
 988     close(VARS);
 989     return \@syms;
 990 }
 991
 992 if ($define{'PERL_GLOBAL_STRUCT'}) {
 993     my $global = readvar($perlvars_h);
 994     skip_symbols $global;
 995     emit_symbol('Perl_GetVars');
 996     emit_symbols [qw(PL_Vars PL_VarsPtr)] unless $CCTYPE eq 'GCC';
 997 } else {
 998     skip_symbols [qw(Perl_init_global_struct Perl_free_global_struct)];
 999 }
1000
1001 # functions from *.sym files
1002
1003 my @syms = ($global_sym, $globvar_sym); # $pp_sym is not part of the API
1004
1005 # Symbols that are the public face of the PerlIO layers implementation
1006 # These are in _addition to_ the public face of the abstraction
1007 # and need to be exported to allow XS modules to implement layers
1008 my @layer_syms = qw(
1009                     PerlIOBase_binmode
1010                     PerlIOBase_clearerr
1011                     PerlIOBase_close
1012                     PerlIOBase_dup
1013                     PerlIOBase_eof
1014                     PerlIOBase_error
1015                     PerlIOBase_fileno
1016                     PerlIOBase_noop_fail
1017                     PerlIOBase_noop_ok
1018                     PerlIOBase_popped
1019                     PerlIOBase_pushed
1020                     PerlIOBase_read
1021                     PerlIOBase_setlinebuf
1022                     PerlIOBase_unread
1023                     PerlIOBuf_bufsiz
1024                     PerlIOBuf_close
1025                     PerlIOBuf_dup
1026                     PerlIOBuf_fill
1027                     PerlIOBuf_flush
1028                     PerlIOBuf_get_base
1029                     PerlIOBuf_get_cnt
1030                     PerlIOBuf_get_ptr
1031                     PerlIOBuf_open
1032                     PerlIOBuf_popped
1033                     PerlIOBuf_pushed
1034                     PerlIOBuf_read
1035                     PerlIOBuf_seek
1036                     PerlIOBuf_set_ptrcnt
1037                     PerlIOBuf_tell
1038                     PerlIOBuf_unread
1039                     PerlIOBuf_write
1040                     PerlIO_allocate
1041                     PerlIO_apply_layera
1042                     PerlIO_apply_layers
1043                     PerlIO_arg_fetch
1044                     PerlIO_debug
1045                     PerlIO_define_layer
1046                     PerlIO_find_layer
1047                     PerlIO_isutf8
1048                     PerlIO_layer_fetch
1049                     PerlIO_list_alloc
1050                     PerlIO_list_free
1051                     PerlIO_modestr
1052                     PerlIO_parse_layers
1053                     PerlIO_pending
1054                     PerlIO_perlio
1055                     PerlIO_pop
1056                     PerlIO_push
1057                     PerlIO_sv_dup
1058                     Perl_PerlIO_clearerr
1059                     Perl_PerlIO_close
1060                     Perl_PerlIO_context_layers
1061                     Perl_PerlIO_eof
1062                     Perl_PerlIO_error
1063                     Perl_PerlIO_fileno
1064                     Perl_PerlIO_fill
1065                     Perl_PerlIO_flush
1066                     Perl_PerlIO_get_base
1067                     Perl_PerlIO_get_bufsiz
1068                     Perl_PerlIO_get_cnt
1069                     Perl_PerlIO_get_ptr
1070                     Perl_PerlIO_read
1071                     Perl_PerlIO_seek
1072                     Perl_PerlIO_set_cnt
1073                     Perl_PerlIO_set_ptrcnt
1074                     Perl_PerlIO_setlinebuf
1075                     Perl_PerlIO_stderr
1076                     Perl_PerlIO_stdin
1077                     Perl_PerlIO_stdout
1078                     Perl_PerlIO_tell
1079                     Perl_PerlIO_unread
1080                     Perl_PerlIO_write
1081 );
1082 if ($PLATFORM eq 'netware') {
1083     push(@layer_syms,'PL_def_layerlist','PL_known_layers','PL_perlio');
1084 }
1085
1086 if ($define{'USE_PERLIO'}) {
1087     # Export the symols that make up the PerlIO abstraction, regardless
1088     # of its implementation - read from a file
1089     push @syms, $perlio_sym;
1090
1091     # This part is then dependent on how the abstraction is implemented
1092     if ($define{'USE_SFIO'}) {
1093         # Old legacy non-stdio "PerlIO"
1094         skip_symbols \@layer_syms;
1095         skip_symbols [qw(perlsio_binmode)];
1096         # SFIO defines most of the PerlIO routines as macros
1097         # So undo most of what $perlio_sym has just done - d'oh !
1098         # Perhaps it would be better to list the ones which do exist
1099         # And emit them
1100         skip_symbols [qw(
1101                          PerlIO_canset_cnt
1102                          PerlIO_clearerr
1103                          PerlIO_close
1104                          PerlIO_eof
1105                          PerlIO_error
1106                          PerlIO_exportFILE
1107                          PerlIO_fast_gets
1108                          PerlIO_fdopen
1109                          PerlIO_fileno
1110                          PerlIO_findFILE
1111                          PerlIO_flush
1112                          PerlIO_get_base
1113                          PerlIO_get_bufsiz
1114                          PerlIO_get_cnt
1115                          PerlIO_get_ptr
1116                          PerlIO_getc
1117                          PerlIO_getname
1118                          PerlIO_has_base
1119                          PerlIO_has_cntptr
1120                          PerlIO_importFILE
1121                          PerlIO_open
1122                          PerlIO_printf
1123                          PerlIO_putc
1124                          PerlIO_puts
1125                          PerlIO_read
1126                          PerlIO_releaseFILE
1127                          PerlIO_reopen
1128                          PerlIO_rewind
1129                          PerlIO_seek
1130                          PerlIO_set_cnt
1131                          PerlIO_set_ptrcnt
1132                          PerlIO_setlinebuf
1133                          PerlIO_sprintf
1134                          PerlIO_stderr
1135                          PerlIO_stdin
1136                          PerlIO_stdout
1137                          PerlIO_stdoutf
1138                          PerlIO_tell
1139                          PerlIO_ungetc
1140                          PerlIO_vprintf
1141                          PerlIO_write
1142                          PerlIO_perlio
1143                          Perl_PerlIO_clearerr
1144                          Perl_PerlIO_close
1145                          Perl_PerlIO_eof
1146                          Perl_PerlIO_error
1147                          Perl_PerlIO_fileno
1148                          Perl_PerlIO_fill
1149                          Perl_PerlIO_flush
1150                          Perl_PerlIO_get_base
1151                          Perl_PerlIO_get_bufsiz
1152                          Perl_PerlIO_get_cnt
1153                          Perl_PerlIO_get_ptr
1154                          Perl_PerlIO_read
1155                          Perl_PerlIO_seek
1156                          Perl_PerlIO_set_cnt
1157                          Perl_PerlIO_set_ptrcnt
1158                          Perl_PerlIO_setlinebuf
1159                          Perl_PerlIO_stderr
1160                          Perl_PerlIO_stdin
1161                          Perl_PerlIO_stdout
1162                          Perl_PerlIO_tell
1163                          Perl_PerlIO_unread
1164                          Perl_PerlIO_write
1165                          PL_def_layerlist
1166                          PL_known_layers
1167                          PL_perlio
1168                          )];
1169     }
1170     else {
1171         # PerlIO with layers - export implementation
1172         emit_symbols \@layer_syms;
1173         emit_symbols [qw(perlsio_binmode)];
1174     }
1175     if ($define{'USE_ITHREADS'}) {
1176         emit_symbols [qw(
1177                         PL_perlio_mutex
1178                         )];
1179     }
1180     else {
1181         skip_symbols [qw(
1182                         PL_perlio_mutex
1183                         )];
1184     }
1185 } else {
1186         # -Uuseperlio
1187         # Skip the PerlIO layer symbols - although
1188         # nothing should have exported them anyway.
1189         skip_symbols \@layer_syms;
1190         skip_symbols [qw(
1191                         perlsio_binmode
1192                         PL_def_layerlist
1193                         PL_known_layers
1194                         PL_perlio
1195                         PL_perlio_debug_fd
1196                         PL_perlio_fd_refcnt
1197                         PL_perlio_fd_refcnt_size
1198                         )];
1199
1200         # Also do NOT add abstraction symbols from $perlio_sym
1201         # abstraction is done as #define to stdio
1202         # Remaining remnants that _may_ be functions
1203         # are handled in <DATA>
1204 }
1205
1206 for my $syms (@syms) {
1207     open (GLOBAL, "<$syms") || die "failed to open $syms: $!\n";
1208     while (<GLOBAL>) {
1209         next if (!/^[A-Za-z]/);
1210         # Functions have a Perl_ prefix
1211         # Variables have a PL_ prefix
1212         chomp($_);
1213         my $symbol = ($syms =~ /var\.sym$/i ? "PL_" : "");
1214         $symbol .= $_;
1215         emit_symbol($symbol) unless exists $skip{$symbol};
1216     }
1217     close(GLOBAL);
1218 }
1219
1220 # variables
1221
1222 if ($define{'MULTIPLICITY'}) {
1223     for my $f ($perlvars_h, $intrpvar_h) {
1224         my $glob = readvar($f, sub { "Perl_" . $_[1] . $_[2] . "_ptr" });
1225         emit_symbols $glob;
1226     }
1227     # XXX AIX seems to want the perlvars.h symbols, for some reason
1228     if ($PLATFORM eq 'aix' or $PLATFORM eq 'os2') {     # OS/2 needs PL_thr_key
1229         my $glob = readvar($perlvars_h);
1230         emit_symbols $glob;
1231     }
1232 }
1233 else {
1234     unless ($define{'PERL_GLOBAL_STRUCT'}) {
1235         my $glob = readvar($perlvars_h);
1236         emit_symbols $glob;
1237     }
1238     unless ($define{'MULTIPLICITY'}) {
1239         my $glob = readvar($intrpvar_h);
1240         emit_symbols $glob;
1241     }
1242 }
1243
1244 sub try_symbol {
1245     my $symbol = shift;
1246
1247     return if $symbol !~ /^[A-Za-z_]/;
1248     return if $symbol =~ /^\#/;
1249     $symbol =~s/\r//g;
1250     chomp($symbol);
1251     return if exists $skip{$symbol};
1252     emit_symbol($symbol);
1253 }
1254
1255 while (<DATA>) {
1256     try_symbol($_);
1257 }
1258
1259 if ($PLATFORM =~ /^win(?:32|ce)$/) {
1260     foreach my $symbol (qw(
1261                             setuid
1262                             setgid
1263                             boot_DynaLoader
1264                             Perl_init_os_extras
1265                             Perl_thread_create
1266                             Perl_win32_init
1267                             Perl_win32_term
1268                             RunPerl
1269                             win32_async_check
1270                             win32_errno
1271                             win32_environ
1272                             win32_abort
1273                             win32_fstat
1274                             win32_stat
1275                             win32_pipe
1276                             win32_popen
1277                             win32_pclose
1278                             win32_rename
1279                             win32_setmode
1280                             win32_chsize
1281                             win32_lseek
1282                             win32_tell
1283                             win32_dup
1284                             win32_dup2
1285                             win32_open
1286                             win32_close
1287                             win32_eof
1288                             win32_read
1289                             win32_write
1290                             win32_spawnvp
1291                             win32_mkdir
1292                             win32_rmdir
1293                             win32_chdir
1294                             win32_flock
1295                             win32_execv
1296                             win32_execvp
1297                             win32_htons
1298                             win32_ntohs
1299                             win32_htonl
1300                             win32_ntohl
1301                             win32_inet_addr
1302                             win32_inet_ntoa
1303                             win32_socket
1304                             win32_bind
1305                             win32_listen
1306                             win32_accept
1307                             win32_connect
1308                             win32_send
1309                             win32_sendto
1310                             win32_recv
1311                             win32_recvfrom
1312                             win32_shutdown
1313                             win32_closesocket
1314                             win32_ioctlsocket
1315                             win32_setsockopt
1316                             win32_getsockopt
1317                             win32_getpeername
1318                             win32_getsockname
1319                             win32_gethostname
1320                             win32_gethostbyname
1321                             win32_gethostbyaddr
1322                             win32_getprotobyname
1323                             win32_getprotobynumber
1324                             win32_getservbyname
1325                             win32_getservbyport
1326                             win32_select
1327                             win32_endhostent
1328                             win32_endnetent
1329                             win32_endprotoent
1330                             win32_endservent
1331                             win32_getnetent
1332                             win32_getnetbyname
1333                             win32_getnetbyaddr
1334                             win32_getprotoent
1335                             win32_getservent
1336                             win32_sethostent
1337                             win32_setnetent
1338                             win32_setprotoent
1339                             win32_setservent
1340                             win32_getenv
1341                             win32_putenv
1342                             win32_perror
1343                             win32_malloc
1344                             win32_calloc
1345                             win32_realloc
1346                             win32_free
1347                             win32_sleep
1348                             win32_times
1349                             win32_access
1350                             win32_alarm
1351                             win32_chmod
1352                             win32_open_osfhandle
1353                             win32_get_osfhandle
1354                             win32_ioctl
1355                             win32_link
1356                             win32_unlink
1357                             win32_utime
1358                             win32_gettimeofday
1359                             win32_uname
1360                             win32_wait
1361                             win32_waitpid
1362                             win32_kill
1363                             win32_str_os_error
1364                             win32_opendir
1365                             win32_readdir
1366                             win32_telldir
1367                             win32_seekdir
1368                             win32_rewinddir
1369                             win32_closedir
1370                             win32_longpath
1371                             win32_ansipath
1372                             win32_os_id
1373                             win32_getpid
1374                             win32_crypt
1375                             win32_dynaload
1376                             win32_get_childenv
1377                             win32_free_childenv
1378                             win32_clearenv
1379                             win32_get_childdir
1380                             win32_free_childdir
1381                             win32_stdin
1382                             win32_stdout
1383                             win32_stderr
1384                             win32_ferror
1385                             win32_feof
1386                             win32_strerror
1387                             win32_fprintf
1388                             win32_printf
1389                             win32_vfprintf
1390                             win32_vprintf
1391                             win32_fread
1392                             win32_fwrite
1393                             win32_fopen
1394                             win32_fdopen
1395                             win32_freopen
1396                             win32_fclose
1397                             win32_fputs
1398                             win32_fputc
1399                             win32_ungetc
1400                             win32_getc
1401                             win32_fileno
1402                             win32_clearerr
1403                             win32_fflush
1404                             win32_ftell
1405                             win32_fseek
1406                             win32_fgetpos
1407                             win32_fsetpos
1408                             win32_rewind
1409                             win32_tmpfile
1410                             win32_setbuf
1411                             win32_setvbuf
1412                             win32_flushall
1413                             win32_fcloseall
1414                             win32_fgets
1415                             win32_gets
1416                             win32_fgetc
1417                             win32_putc
1418                             win32_puts
1419                             win32_getchar
1420                             win32_putchar
1421                            ))
1422     {
1423         try_symbol($symbol);
1424     }
1425     if ($CCTYPE eq "BORLAND") {
1426         try_symbol('_matherr');
1427     }
1428 }
1429 elsif ($PLATFORM eq 'os2') {
1430     my (%mapped, @missing);
1431     open MAP, 'miniperl.map' or die 'Cannot read miniperl.map';
1432     /^\s*[\da-f:]+\s+(\w+)/i and $mapped{$1}++ foreach <MAP>;
1433     close MAP or die 'Cannot close miniperl.map';
1434
1435     @missing = grep { !exists $mapped{$_} }
1436                     keys %export;
1437     @missing = grep { !exists $exportperlmalloc{$_} } @missing;
1438     delete $export{$_} foreach @missing;
1439 }
1440 elsif ($PLATFORM eq 'MacOS') {
1441     open MACSYMS, 'macperl.sym' or die 'Cannot read macperl.sym';
1442
1443     while (<MACSYMS>) {
1444         try_symbol($_);
1445     }
1446
1447     close MACSYMS;
1448 }
1449 elsif ($PLATFORM eq 'netware') {
1450 foreach my $symbol (qw(
1451                         boot_DynaLoader
1452                         Perl_init_os_extras
1453                         Perl_thread_create
1454                         Perl_nw5_init
1455                         RunPerl
1456                         AllocStdPerl
1457                         FreeStdPerl
1458                         do_spawn2
1459                         do_aspawn
1460                         nw_uname
1461                         nw_stdin
1462                         nw_stdout
1463                         nw_stderr
1464                         nw_feof
1465                         nw_ferror
1466                         nw_fopen
1467                         nw_fclose
1468                         nw_clearerr
1469                         nw_getc
1470                         nw_fgets
1471                         nw_fputc
1472                         nw_fputs
1473                         nw_fflush
1474                         nw_ungetc
1475                         nw_fileno
1476                         nw_fdopen
1477                         nw_freopen
1478                         nw_fread
1479                         nw_fwrite
1480                         nw_setbuf
1481                         nw_setvbuf
1482                         nw_vfprintf
1483                         nw_ftell
1484                         nw_fseek
1485                         nw_rewind
1486                         nw_tmpfile
1487                         nw_fgetpos
1488                         nw_fsetpos
1489                         nw_dup
1490                         nw_access
1491                         nw_chmod
1492                         nw_chsize
1493                         nw_close
1494                         nw_dup2
1495                         nw_flock
1496                         nw_isatty
1497                         nw_link
1498                         nw_lseek
1499                         nw_stat
1500                         nw_mktemp
1501                         nw_open
1502                         nw_read
1503                         nw_rename
1504                         nw_setmode
1505                         nw_unlink
1506                         nw_utime
1507                         nw_write
1508                         nw_chdir
1509                         nw_rmdir
1510                         nw_closedir
1511                         nw_opendir
1512                         nw_readdir
1513                         nw_rewinddir
1514                         nw_seekdir
1515                         nw_telldir
1516                         nw_htonl
1517                         nw_htons
1518                         nw_ntohl
1519                         nw_ntohs
1520                         nw_accept
1521                         nw_bind
1522                         nw_connect
1523                         nw_endhostent
1524                         nw_endnetent
1525                         nw_endprotoent
1526                         nw_endservent
1527                         nw_gethostbyaddr
1528                         nw_gethostbyname
1529                         nw_gethostent
1530                         nw_gethostname
1531                         nw_getnetbyaddr
1532                         nw_getnetbyname
1533                         nw_getnetent
1534                         nw_getpeername
1535                         nw_getprotobyname
1536                         nw_getprotobynumber
1537                         nw_getprotoent
1538                         nw_getservbyname
1539                         nw_getservbyport
1540                         nw_getservent
1541                         nw_getsockname
1542                         nw_getsockopt
1543                         nw_inet_addr
1544                         nw_listen
1545                         nw_socket
1546                         nw_recv
1547                         nw_recvfrom
1548                         nw_select
1549                         nw_send
1550                         nw_sendto
1551                         nw_sethostent
1552                         nw_setnetent
1553                         nw_setprotoent
1554                         nw_setservent
1555                         nw_setsockopt
1556                         nw_inet_ntoa
1557                         nw_shutdown
1558                         nw_crypt
1559                         nw_execvp
1560                         nw_kill
1561                         nw_Popen
1562                         nw_Pclose
1563                         nw_Pipe
1564                         nw_times
1565                         nw_waitpid
1566                         nw_getpid
1567                         nw_spawnvp
1568                         nw_os_id
1569                         nw_open_osfhandle
1570                         nw_get_osfhandle
1571                         nw_abort
1572                         nw_sleep
1573                         nw_wait
1574                         nw_dynaload
1575                         nw_strerror
1576                         fnFpSetMode
1577                         fnInsertHashListAddrs
1578                         fnGetHashListAddrs
1579                         Perl_deb
1580                         Perl_sv_setsv
1581                         Perl_sv_catsv
1582                         Perl_sv_catpvn
1583                         Perl_sv_2pv
1584                         nw_freeenviron
1585                         Remove_Thread_Ctx
1586                            ))
1587     {
1588         try_symbol($symbol);
1589     }
1590 }
1591
1592 # records of type boot_module for statically linked modules (except Dynaloader)
1593 $static_ext =~ s/\//__/g;
1594 $static_ext =~ s/\bDynaLoader\b//;
1595 my @stat_mods = map {"boot_$_"} grep {/\S/} split /\s+/, $static_ext;
1596 foreach my $symbol (@stat_mods)
1597     {
1598         try_symbol($symbol);
1599     }
1600
1601 try_symbol("init_Win32CORE") if $static_ext =~ /\bWin32CORE\b/;
1602
1603 # Now all symbols should be defined because
1604 # next we are going to output them.
1605
1606 foreach my $symbol (sort keys %export) {
1607     output_symbol($symbol);
1608 }
1609
1610 if ($PLATFORM eq 'os2') {
1611         print <<EOP;
1612     dll_perlmain=main
1613     fill_extLibpath
1614     dir_subst
1615     Perl_OS2_handler_install
1616
1617 ; LAST_ORDINAL=$sym_ord
1618 EOP
1619 }
1620
1621 sub emit_symbol {
1622     my $symbol = shift;
1623     chomp($symbol);
1624     $export{$symbol} = 1;
1625 }
1626
1627 sub output_symbol {
1628     my $symbol = shift;
1629     if ($PLATFORM =~ /^win(?:32|ce)$/) {
1630         $symbol = "_$symbol" if $CCTYPE eq 'BORLAND';
1631         print "\t$symbol\n";
1632 # XXX: binary compatibility between compilers is an exercise
1633 # in frustration :-(
1634 #        if ($CCTYPE eq "BORLAND") {
1635 #           # workaround Borland quirk by exporting both the straight
1636 #           # name and a name with leading underscore.  Note the
1637 #           # alias *must* come after the symbol itself, if both
1638 #           # are to be exported. (Linker bug?)
1639 #           print "\t_$symbol\n";
1640 #           print "\t$symbol = _$symbol\n";
1641 #       }
1642 #       elsif ($CCTYPE eq 'GCC') {
1643 #           # Symbols have leading _ whole process is $%@"% slow
1644 #           # so skip aliases for now
1645 #           nprint "\t$symbol\n";
1646 #       }
1647 #       else {
1648 #           # for binary coexistence, export both the symbol and
1649 #           # alias with leading underscore
1650 #           print "\t$symbol\n";
1651 #           print "\t_$symbol = $symbol\n";
1652 #       }
1653     }
1654     elsif ($PLATFORM eq 'os2') {
1655         printf qq(    %-31s \@%s\n),
1656           qq("$symbol"), $ordinal{$symbol} || ++$sym_ord;
1657         printf qq(    %-31s \@%s\n),
1658           qq("$exportperlmalloc{$symbol}" = "$symbol"),
1659           $ordinal{$exportperlmalloc{$symbol}} || ++$sym_ord
1660           if $exportperlmalloc and exists $exportperlmalloc{$symbol};
1661     }
1662     elsif ($PLATFORM eq 'aix' || $PLATFORM eq 'MacOS') {
1663         print "$symbol\n";
1664     }
1665         elsif ($PLATFORM eq 'netware') {
1666         print "\t$symbol,\n";
1667         }
1668 }
1669
1670 1;
1671 __DATA__
1672 # Oddities from PerlIO
1673 PerlIO_binmode
1674 PerlIO_getpos
1675 PerlIO_init
1676 PerlIO_setpos
1677 PerlIO_sprintf
1678 PerlIO_sv_dup
1679 PerlIO_tmpfile
1680 PerlIO_vsprintf