makedef.pl

   1 #
   2 # Create the export list for perl.
   3 #
   4 # Needed by WIN32 and OS/2 for creating perl.dll,
   5 # and by AIX for creating libperl.a when -Dusershrplib is in effect,
   6 # and by MacOS Classic.
   7 #
   8 # reads global.sym, pp.sym, perlvars.h, intrpvar.h, thrdvar.h, config.h
   9 # On OS/2 reads miniperl.map and the previous version of perl5.def as well
  10
  11 my $PLATFORM;
  12 my $CCTYPE;
  13
  14 while (@ARGV) {
  15     my $flag = shift;
  16     if ($flag =~ s/^CC_FLAGS=/ /) {
  17         for my $fflag ($flag =~ /(?:^|\s)-D(\S+)/g) {
  18             $fflag     .= '=1' unless $fflag =~ /^(\w+)=/;
  19             $define{$1} = $2   if $fflag =~ /^(\w+)=(.+)$/;
  20         }
  21         next;
  22     }
  23     $define{$1} = 1 if ($flag =~ /^-D(\w+)$/);
  24     $define{$1} = $2 if ($flag =~ /^-D(\w+)=(.+)$/);
  25     $CCTYPE   = $1 if ($flag =~ /^CCTYPE=(\w+)$/);
  26     $PLATFORM = $1 if ($flag =~ /^PLATFORM=(\w+)$/);
  27     if ($PLATFORM eq 'netware') {
  28         $FILETYPE = $1 if ($flag =~ /^FILETYPE=(\w+)$/);
  29     }
  30 }
  31
  32 my @PLATFORM = qw(aix win32 wince os2 MacOS netware);
  33 my %PLATFORM;
  34 @PLATFORM{@PLATFORM} = ();
  35
  36 defined $PLATFORM || die "PLATFORM undefined, must be one of: @PLATFORM\n";
  37 exists $PLATFORM{$PLATFORM} || die "PLATFORM must be one of: @PLATFORM\n";
  38
  39 if ($PLATFORM eq 'win32' or $PLATFORM eq 'wince' or $PLATFORM eq "aix") {
  40         # Add the compile-time options that miniperl was built with to %define.
  41         # On Win32 these are not the same options as perl itself will be built
  42         # with since miniperl is built with a canned config (one of the win32/
  43         # config_H.*) and none of the BUILDOPT's that are set in the makefiles,
  44         # but they do include some #define's that are hard-coded in various
  45         # source files and header files and don't include any BUILDOPT's that
  46         # the user might have chosen to disable because the canned configs are
  47         # minimal configs that don't include any of those options.
  48         my $opts = ($PLATFORM eq 'wince' ? '-MCross' : ''); # for wince need Cross.pm to get Config.pm
  49         my $config = `$^X $opts -Ilib -V`;
  50         my($options) = $config =~ /^  Compile-time options: (.*?)\n^  \S/ms;
  51         $options =~ s/\s+/ /g;
  52         print STDERR "Options: ($options)\n";
  53         foreach (split /\s+/, $options) {
  54                 $define{$_} = 1;
  55         }
  56 }
  57
  58 my %exportperlmalloc =
  59     (
  60        Perl_malloc              =>      "malloc",
  61        Perl_mfree               =>      "free",
  62        Perl_realloc             =>      "realloc",
  63        Perl_calloc              =>      "calloc",
  64     );
  65
  66 my $exportperlmalloc = $PLATFORM eq 'os2';
  67
  68 my $config_sh   = "config.sh";
  69 my $config_h    = "config.h";
  70 my $thrdvar_h   = "thrdvar.h";
  71 my $intrpvar_h  = "intrpvar.h";
  72 my $perlvars_h  = "perlvars.h";
  73 my $global_sym  = "global.sym";
  74 my $pp_sym      = "pp.sym";
  75 my $globvar_sym = "globvar.sym";
  76 my $perlio_sym  = "perlio.sym";
  77 my $static_ext = "";
  78
  79 if ($PLATFORM eq 'aix') {
  80     # Nothing for now.
  81 }
  82 elsif ($PLATFORM =~ /^win(?:32|ce)$/ || $PLATFORM eq 'netware') {
  83     $CCTYPE = "MSVC" unless defined $CCTYPE;
  84     foreach ($thrdvar_h, $intrpvar_h, $perlvars_h, $global_sym,
  85              $pp_sym, $globvar_sym, $perlio_sym) {
  86         s!^!..\\!;
  87     }
  88 }
  89 elsif ($PLATFORM eq 'MacOS') {
  90     foreach ($thrdvar_h, $intrpvar_h, $perlvars_h, $global_sym,
  91              $pp_sym, $globvar_sym, $perlio_sym) {
  92         s!^!::!;
  93     }
  94 }
  95
  96 unless ($PLATFORM eq 'win32' || $PLATFORM eq 'wince' || $PLATFORM eq 'MacOS' || $PLATFORM eq 'netware') {
  97     open(CFG,$config_sh) || die "Cannot open $config_sh: $!\n";
  98     while (<CFG>) {
  99         if (/^(?:ccflags|optimize)='(.+)'$/) {
 100             $_ = $1;
 101             $define{$1} = 1 while /-D(\w+)/g;
 102         }
 103         if (/^(d_(?:mmap|sigaction))='(.+)'$/) {
 104             $define{$1} = $2;
 105         }
 106         if ($PLATFORM eq 'os2') {
 107             $CONFIG_ARGS = $1 if /^config_args='(.+)'$/;
 108             $ARCHNAME =    $1 if /^archname='(.+)'$/;
 109             $PATCHLEVEL =  $1 if /^perl_patchlevel='(.+)'$/;
 110         }
 111     }
 112     close(CFG);
 113 }
 114 if ($PLATFORM eq 'win32' || $PLATFORM eq 'wince') {
 115     open(CFG,"<..\\$config_sh") || die "Cannot open ..\\$config_sh: $!\n";
 116     if ((join '', <CFG>) =~ /^static_ext='(.*)'$/m) {
 117         $static_ext = $1;
 118     }
 119     close(CFG);
 120 }
 121
 122 open(CFG,$config_h) || die "Cannot open $config_h: $!\n";
 123 while (<CFG>) {
 124     $define{$1} = 1 if /^\s*#\s*define\s+(MYMALLOC)\b/;
 125     $define{$1} = 1 if /^\s*#\s*define\s+(MULTIPLICITY)\b/;
 126     $define{$1} = 1 if /^\s*#\s*define\s+(PERL_\w+)\b/;
 127     $define{$1} = 1 if /^\s*#\s*define\s+(USE_\w+)\b/;
 128 }
 129 close(CFG);
 130
 131 # perl.h logic duplication begins
 132
 133 if ($define{PERL_IMPLICIT_SYS}) {
 134     $define{PL_OP_SLAB_ALLOC} = 1;
 135 }
 136
 137 if ($define{USE_ITHREADS}) {
 138     if (!$define{MULTIPLICITY}) {
 139         $define{MULTIPLICITY} = 1;
 140     }
 141 }
 142
 143 $define{PERL_IMPLICIT_CONTEXT} ||=
 144     $define{USE_ITHREADS} ||
 145     $define{MULTIPLICITY} ;
 146
 147 if ($define{USE_ITHREADS} && $PLATFORM ne 'win32' && $^O ne 'darwin') {
 148     $define{USE_REENTRANT_API} = 1;
 149 }
 150
 151 # perl.h logic duplication ends
 152
 153 my $sym_ord = 0;
 154
 155 print STDERR "Defines: (" . join(' ', sort keys %define) . ")\n";
 156
 157 if ($PLATFORM =~ /^win(?:32|ce)$/) {
 158     ($dll = ($define{PERL_DLL} || "perl59")) =~ s/\.dll$//i;
 159     print "LIBRARY $dll\n";
 160     print "DESCRIPTION 'Perl interpreter'\n";
 161     print "EXPORTS\n";
 162     if ($define{PERL_IMPLICIT_SYS}) {
 163         output_symbol("perl_get_host_info");
 164         output_symbol("perl_alloc_override");
 165     }
 166     if ($define{USE_ITHREADS} and $define{PERL_IMPLICIT_SYS}) {
 167         output_symbol("perl_clone_host");
 168     }
 169 }
 170 elsif ($PLATFORM eq 'os2') {
 171     if (open my $fh, '<', 'perl5.def') {
 172       while (<$fh>) {
 173         last if /^\s*EXPORTS\b/;
 174       }
 175       while (<$fh>) {
 176         $ordinal{$1} = $2 if /^\s*"(\w+)"\s*(?:=\s*"\w+"\s*)?\@(\d+)\s*$/;
 177         # This allows skipping ordinals which were used in older versions
 178         $sym_ord = $1 if /^\s*;\s*LAST_ORDINAL\s*=\s*(\d+)\s*$/;
 179       }
 180       $sym_ord < $_ and $sym_ord = $_ for values %ordinal; # Take the max
 181     }
 182     ($v = $]) =~ s/(\d\.\d\d\d)(\d\d)$/$1_$2/;
 183     $v .= '-thread' if $ARCHNAME =~ /-thread/;
 184     ($dll = $define{PERL_DLL}) =~ s/\.dll$//i;
 185     $v .= "\@$PATCHLEVEL" if $PATCHLEVEL;
 186     $d = "DESCRIPTION '\@#perl5-porters\@perl.org:$v#\@ Perl interpreter, configured as $CONFIG_ARGS'";
 187     $d = substr($d, 0, 249) . "...'" if length $d > 253;
 188     print <<"---EOP---";
 189 LIBRARY '$dll' INITINSTANCE TERMINSTANCE
 190 $d
 191 STACKSIZE 32768
 192 CODE LOADONCALL
 193 DATA LOADONCALL NONSHARED MULTIPLE
 194 EXPORTS
 195 ---EOP---
 196 }
 197 elsif ($PLATFORM eq 'aix') {
 198     $OSVER = `uname -v`;
 199     chop $OSVER;
 200     $OSREL = `uname -r`;
 201     chop $OSREL;
 202     if ($OSVER > 4 || ($OSVER == 4 && $OSREL >= 3)) {
 203         print "#! ..\n";
 204     } else {
 205         print "#!\n";
 206     }
 207 }
 208 elsif ($PLATFORM eq 'netware') {
 209         if ($FILETYPE eq 'def') {
 210         print "LIBRARY perl59\n";
 211         print "DESCRIPTION 'Perl interpreter for NetWare'\n";
 212         print "EXPORTS\n";
 213         }
 214         if ($define{PERL_IMPLICIT_SYS}) {
 215             output_symbol("perl_get_host_info");
 216             output_symbol("perl_alloc_override");
 217             output_symbol("perl_clone_host");
 218         }
 219 }
 220
 221 my %skip;
 222 my %export;
 223
 224 sub skip_symbols {
 225     my $list = shift;
 226     foreach my $symbol (@$list) {
 227         $skip{$symbol} = 1;
 228     }
 229 }
 230
 231 sub emit_symbols {
 232     my $list = shift;
 233     foreach my $symbol (@$list) {
 234         my $skipsym = $symbol;
 235         # XXX hack
 236         if ($define{MULTIPLICITY}) {
 237             $skipsym =~ s/^Perl_[GIT](\w+)_ptr$/PL_$1/;
 238         }
 239         emit_symbol($symbol) unless exists $skip{$skipsym};
 240     }
 241 }
 242
 243 if ($PLATFORM eq 'win32') {
 244     skip_symbols [qw(
 245                      PL_statusvalue_vms
 246                      PL_archpat_auto
 247                      PL_cryptseen
 248                      PL_DBcv
 249                      PL_generation
 250                      PL_lastgotoprobe
 251                      PL_linestart
 252                      PL_modcount
 253                      PL_pending_ident
 254                      PL_sublex_info
 255                      PL_timesbuf
 256                      main
 257                      Perl_ErrorNo
 258                      Perl_GetVars
 259                      Perl_do_exec3
 260                      Perl_do_ipcctl
 261                      Perl_do_ipcget
 262                      Perl_do_msgrcv
 263                      Perl_do_msgsnd
 264                      Perl_do_semop
 265                      Perl_do_shmio
 266                      Perl_dump_fds
 267                      Perl_init_thread_intern
 268                      Perl_my_bzero
 269                      Perl_my_bcopy
 270                      Perl_my_htonl
 271                      Perl_my_ntohl
 272                      Perl_my_swap
 273                      Perl_my_chsize
 274                      Perl_same_dirent
 275                      Perl_setenv_getix
 276                      Perl_unlnk
 277                      Perl_watch
 278                      Perl_safexcalloc
 279                      Perl_safexmalloc
 280                      Perl_safexfree
 281                      Perl_safexrealloc
 282                      Perl_my_memcmp
 283                      Perl_my_memset
 284                      PL_cshlen
 285                      PL_cshname
 286                      PL_opsave
 287                      Perl_do_exec
 288                      Perl_getenv_len
 289                      Perl_my_pclose
 290                      Perl_my_popen
 291                      )];
 292 }
 293 else {
 294     skip_symbols [qw(
 295                      Perl_do_spawn
 296                      Perl_do_spawn_nowait
 297                      Perl_do_aspawn
 298                      )];
 299 }
 300 if ($PLATFORM eq 'wince') {
 301     skip_symbols [qw(
 302                      PL_statusvalue_vms
 303                      PL_archpat_auto
 304                      PL_cryptseen
 305                      PL_DBcv
 306                      PL_generation
 307                      PL_lastgotoprobe
 308                      PL_linestart
 309                      PL_modcount
 310                      PL_pending_ident
 311                      PL_sublex_info
 312                      PL_timesbuf
 313                      PL_collation_ix
 314                      PL_collation_name
 315                      PL_collation_standard
 316                      PL_collxfrm_base
 317                      PL_collxfrm_mult
 318                      PL_numeric_compat1
 319                      PL_numeric_local
 320                      PL_numeric_name
 321                      PL_numeric_radix_sv
 322                      PL_numeric_standard
 323                      PL_vtbl_collxfrm
 324                      Perl_sv_collxfrm
 325                      setgid
 326                      setuid
 327                      win32_free_childdir
 328                      win32_free_childenv
 329                      win32_get_childdir
 330                      win32_get_childenv
 331                      win32_spawnvp
 332                      main
 333                      Perl_ErrorNo
 334                      Perl_GetVars
 335                      Perl_do_exec3
 336                      Perl_do_ipcctl
 337                      Perl_do_ipcget
 338                      Perl_do_msgrcv
 339                      Perl_do_msgsnd
 340                      Perl_do_semop
 341                      Perl_do_shmio
 342                      Perl_dump_fds
 343                      Perl_init_thread_intern
 344                      Perl_my_bzero
 345                      Perl_my_bcopy
 346                      Perl_my_htonl
 347                      Perl_my_ntohl
 348                      Perl_my_swap
 349                      Perl_my_chsize
 350                      Perl_same_dirent
 351                      Perl_setenv_getix
 352                      Perl_unlnk
 353                      Perl_watch
 354                      Perl_safexcalloc
 355                      Perl_safexmalloc
 356                      Perl_safexfree
 357                      Perl_safexrealloc
 358                      Perl_my_memcmp
 359                      Perl_my_memset
 360                      PL_cshlen
 361                      PL_cshname
 362                      PL_opsave
 363                      Perl_do_exec
 364                      Perl_getenv_len
 365                      Perl_my_pclose
 366                      Perl_my_popen
 367                      )];
 368 }
 369 elsif ($PLATFORM eq 'aix') {
 370     skip_symbols([qw(
 371                      Perl_dump_fds
 372                      Perl_ErrorNo
 373                      Perl_GetVars
 374                      Perl_my_bcopy
 375                      Perl_my_bzero
 376                      Perl_my_chsize
 377                      Perl_my_htonl
 378                      Perl_my_memcmp
 379                      Perl_my_memset
 380                      Perl_my_ntohl
 381                      Perl_my_swap
 382                      Perl_safexcalloc
 383                      Perl_safexfree
 384                      Perl_safexmalloc
 385                      Perl_safexrealloc
 386                      Perl_same_dirent
 387                      Perl_unlnk
 388                      Perl_sys_intern_clear
 389                      Perl_sys_intern_dup
 390                      Perl_sys_intern_init
 391                      PL_cryptseen
 392                      PL_opsave
 393                      PL_statusvalue_vms
 394                      PL_sys_intern
 395                      )]);
 396 }
 397 elsif ($PLATFORM eq 'os2') {
 398     emit_symbols([qw(
 399                     ctermid
 400                     get_sysinfo
 401                     Perl_OS2_init
 402                     Perl_OS2_init3
 403                     Perl_OS2_term
 404                     OS2_Perl_data
 405                     dlopen
 406                     dlsym
 407                     dlerror
 408                     dlclose
 409                     dup2
 410                     dup
 411                     my_tmpfile
 412                     my_tmpnam
 413                     my_flock
 414                     my_rmdir
 415                     my_mkdir
 416                     my_getpwuid
 417                     my_getpwnam
 418                     my_getpwent
 419                     my_setpwent
 420                     my_endpwent
 421                     fork_with_resources
 422                     croak_with_os2error
 423                     setgrent
 424                     endgrent
 425                     getgrent
 426                     malloc_mutex
 427                     threads_mutex
 428                     nthreads
 429                     nthreads_cond
 430                     os2_cond_wait
 431                     os2_stat
 432                     os2_execname
 433                     async_mssleep
 434                     msCounter
 435                     InfoTable
 436                     pthread_join
 437                     pthread_create
 438                     pthread_detach
 439                     XS_Cwd_change_drive
 440                     XS_Cwd_current_drive
 441                     XS_Cwd_extLibpath
 442                     XS_Cwd_extLibpath_set
 443                     XS_Cwd_sys_abspath
 444                     XS_Cwd_sys_chdir
 445                     XS_Cwd_sys_cwd
 446                     XS_Cwd_sys_is_absolute
 447                     XS_Cwd_sys_is_relative
 448                     XS_Cwd_sys_is_rooted
 449                     XS_DynaLoader_mod2fname
 450                     XS_File__Copy_syscopy
 451                     Perl_Register_MQ
 452                     Perl_Deregister_MQ
 453                     Perl_Serve_Messages
 454                     Perl_Process_Messages
 455                     init_PMWIN_entries
 456                     PMWIN_entries
 457                     Perl_hab_GET
 458                     loadByOrdinal
 459                     pExtFCN
 460                     os2error
 461                     ResetWinError
 462                     CroakWinError
 463                     PL_do_undump
 464                     )]);
 465     emit_symbols([qw(os2_cond_wait
 466                      pthread_join
 467                      pthread_create
 468                      pthread_detach
 469                     )])
 470       if $define{'USE_5005THREADS'} or $define{'USE_ITHREADS'};
 471 }
 472 elsif ($PLATFORM eq 'MacOS') {
 473     skip_symbols [qw(
 474                     Perl_GetVars
 475                     PL_cryptseen
 476                     PL_cshlen
 477                     PL_cshname
 478                     PL_statusvalue_vms
 479                     PL_sys_intern
 480                     PL_opsave
 481                     PL_timesbuf
 482                     Perl_dump_fds
 483                     Perl_my_bcopy
 484                     Perl_my_bzero
 485                     Perl_my_chsize
 486                     Perl_my_htonl
 487                     Perl_my_memcmp
 488                     Perl_my_memset
 489                     Perl_my_ntohl
 490                     Perl_my_swap
 491                     Perl_safexcalloc
 492                     Perl_safexfree
 493                     Perl_safexmalloc
 494                     Perl_safexrealloc
 495                     Perl_unlnk
 496                     Perl_sys_intern_clear
 497                     Perl_sys_intern_init
 498                     )];
 499 }
 500 elsif ($PLATFORM eq 'netware') {
 501         skip_symbols [qw(
 502                         PL_statusvalue_vms
 503                         PL_archpat_auto
 504                         PL_cryptseen
 505                         PL_DBcv
 506                         PL_generation
 507                         PL_lastgotoprobe
 508                         PL_linestart
 509                         PL_modcount
 510                         PL_pending_ident
 511                         PL_sublex_info
 512                         PL_timesbuf
 513                         main
 514                         Perl_ErrorNo
 515                         Perl_GetVars
 516                         Perl_do_exec3
 517                         Perl_do_ipcctl
 518                         Perl_do_ipcget
 519                         Perl_do_msgrcv
 520                         Perl_do_msgsnd
 521                         Perl_do_semop
 522                         Perl_do_shmio
 523                         Perl_dump_fds
 524                         Perl_init_thread_intern
 525                         Perl_my_bzero
 526                         Perl_my_htonl
 527                         Perl_my_ntohl
 528                         Perl_my_swap
 529                         Perl_my_chsize
 530                         Perl_same_dirent
 531                         Perl_setenv_getix
 532                         Perl_unlnk
 533                         Perl_watch
 534                         Perl_safexcalloc
 535                         Perl_safexmalloc
 536                         Perl_safexfree
 537                         Perl_safexrealloc
 538                         Perl_my_memcmp
 539                         Perl_my_memset
 540                         PL_cshlen
 541                         PL_cshname
 542                         PL_opsave
 543                         Perl_do_exec
 544                         Perl_getenv_len
 545                         Perl_my_pclose
 546                         Perl_my_popen
 547                         Perl_sys_intern_init
 548                         Perl_sys_intern_dup
 549                         Perl_sys_intern_clear
 550                         Perl_my_bcopy
 551                         Perl_PerlIO_write
 552                         Perl_PerlIO_unread
 553                         Perl_PerlIO_tell
 554                         Perl_PerlIO_stdout
 555                         Perl_PerlIO_stdin
 556                         Perl_PerlIO_stderr
 557                         Perl_PerlIO_setlinebuf
 558                         Perl_PerlIO_set_ptrcnt
 559                         Perl_PerlIO_set_cnt
 560                         Perl_PerlIO_seek
 561                         Perl_PerlIO_read
 562                         Perl_PerlIO_get_ptr
 563                         Perl_PerlIO_get_cnt
 564                         Perl_PerlIO_get_bufsiz
 565                         Perl_PerlIO_get_base
 566                         Perl_PerlIO_flush
 567                         Perl_PerlIO_fill
 568                         Perl_PerlIO_fileno
 569                         Perl_PerlIO_error
 570                         Perl_PerlIO_eof
 571                         Perl_PerlIO_close
 572                         Perl_PerlIO_clearerr
 573                         PerlIO_perlio
 574                         )];
 575 }
 576
 577 unless ($define{'DEBUGGING'}) {
 578     skip_symbols [qw(
 579                     Perl_deb_growlevel
 580                     Perl_debop
 581                     Perl_debprofdump
 582                     Perl_debstack
 583                     Perl_debstackptrs
 584                     Perl_pad_sv
 585                     Perl_sv_peek
 586                     PL_block_type
 587                     PL_watchaddr
 588                     PL_watchok
 589                     PL_watch_pvx
 590                     )];
 591 }
 592
 593 if ($define{'PERL_IMPLICIT_CONTEXT'}) {
 594     skip_symbols [qw(
 595                     PL_sig_sv
 596                     )];
 597 }
 598
 599 if ($define{'PERL_IMPLICIT_SYS'}) {
 600     skip_symbols [qw(
 601                     Perl_getenv_len
 602                     Perl_my_popen
 603                     Perl_my_pclose
 604                     )];
 605 }
 606 else {
 607     skip_symbols [qw(
 608                     PL_Mem
 609                     PL_MemShared
 610                     PL_MemParse
 611                     PL_Env
 612                     PL_StdIO
 613                     PL_LIO
 614                     PL_Dir
 615                     PL_Sock
 616                     PL_Proc
 617                     )];
 618 }
 619
 620 unless ($define{'PERL_OLD_COPY_ON_WRITE'}) {
 621     skip_symbols [qw(
 622                     Perl_sv_setsv_cow
 623                     Perl_sv_release_IVX
 624                   )];
 625 }
 626
 627 unless ($define{'USE_REENTRANT_API'}) {
 628     skip_symbols [qw(
 629                     PL_reentrant_buffer
 630                     )];
 631 }
 632
 633 if ($define{'MYMALLOC'}) {
 634     emit_symbols [qw(
 635                     Perl_dump_mstats
 636                     Perl_get_mstats
 637                     Perl_strdup
 638                     Perl_putenv
 639                     MallocCfg_ptr
 640                     MallocCfgP_ptr
 641                     )];
 642     if ($define{'USE_ITHREADS'}) {
 643         emit_symbols [qw(
 644                         PL_malloc_mutex
 645                         )];
 646     }
 647     else {
 648         skip_symbols [qw(
 649                         PL_malloc_mutex
 650                         )];
 651     }
 652 }
 653 else {
 654     skip_symbols [qw(
 655                     PL_malloc_mutex
 656                     Perl_dump_mstats
 657                     Perl_get_mstats
 658                     Perl_malloced_size
 659                     MallocCfg_ptr
 660                     MallocCfgP_ptr
 661                     )];
 662 }
 663
 664 if ($define{'PERL_USE_SAFE_PUTENV'}) {
 665     skip_symbols [qw(
 666                    PL_use_safe_putenv
 667                   )];
 668 }
 669
 670 unless ($define{'USE_ITHREADS'}) {
 671     skip_symbols [qw(
 672                     PL_thr_key
 673                     )];
 674 }
 675
 676 # USE_5005THREADS symbols. Kept as reference for easier removal
 677     skip_symbols [qw(
 678                     PL_sv_mutex
 679                     PL_strtab_mutex
 680                     PL_svref_mutex
 681                     PL_cred_mutex
 682                     PL_eval_mutex
 683                     PL_fdpid_mutex
 684                     PL_sv_lock_mutex
 685                     PL_eval_cond
 686                     PL_eval_owner
 687                     PL_threads_mutex
 688                     PL_nthreads
 689                     PL_nthreads_cond
 690                     PL_threadnum
 691                     PL_threadsv_names
 692                     PL_thrsv
 693                     PL_vtbl_mutex
 694                     Perl_condpair_magic
 695                     Perl_new_struct_thread
 696                     Perl_per_thread_magicals
 697                     Perl_thread_create
 698                     Perl_find_threadsv
 699                     Perl_unlock_condpair
 700                     Perl_magic_mutexfree
 701                     Perl_sv_lock
 702                     )];
 703
 704 unless ($define{'USE_ITHREADS'}) {
 705     skip_symbols [qw(
 706                     PL_ptr_table
 707                     PL_pte_root
 708                     PL_pte_arenaroot
 709                     PL_op_mutex
 710                     PL_regex_pad
 711                     PL_regex_padav
 712                     PL_sharedsv_space
 713                     PL_sharedsv_space_mutex
 714                     PL_dollarzero_mutex
 715                     Perl_dirp_dup
 716                     Perl_cx_dup
 717                     Perl_si_dup
 718                     Perl_any_dup
 719                     Perl_ss_dup
 720                     Perl_fp_dup
 721                     Perl_gp_dup
 722                     Perl_he_dup
 723                     Perl_mg_dup
 724                     Perl_re_dup
 725                     Perl_sv_dup
 726                     Perl_rvpv_dup
 727                     Perl_hek_dup
 728                     Perl_sys_intern_dup
 729                     Perl_ptr_table_clear
 730                     Perl_ptr_table_fetch
 731                     Perl_ptr_table_free
 732                     Perl_ptr_table_new
 733                     Perl_ptr_table_clear
 734                     Perl_ptr_table_free
 735                     Perl_ptr_table_split
 736                     Perl_ptr_table_store
 737                     perl_clone
 738                     perl_clone_using
 739                     Perl_sharedsv_find
 740                     Perl_sharedsv_init
 741                     Perl_sharedsv_lock
 742                     Perl_sharedsv_new
 743                     Perl_sharedsv_thrcnt_dec
 744                     Perl_sharedsv_thrcnt_inc
 745                     Perl_sharedsv_unlock
 746                     Perl_stashpv_hvname_match
 747                     )];
 748 }
 749
 750 unless ($define{'PERL_IMPLICIT_CONTEXT'}) {
 751     skip_symbols [qw(
 752                     Perl_croak_nocontext
 753                     Perl_die_nocontext
 754                     Perl_deb_nocontext
 755                     Perl_form_nocontext
 756                     Perl_load_module_nocontext
 757                     Perl_mess_nocontext
 758                     Perl_warn_nocontext
 759                     Perl_warner_nocontext
 760                     Perl_newSVpvf_nocontext
 761                     Perl_sv_catpvf_nocontext
 762                     Perl_sv_setpvf_nocontext
 763                     Perl_sv_catpvf_mg_nocontext
 764                     Perl_sv_setpvf_mg_nocontext
 765                     Perl_my_cxt_init
 766                     )];
 767 }
 768
 769 unless ($define{'PERL_IMPLICIT_SYS'}) {
 770     skip_symbols [qw(
 771                     perl_alloc_using
 772                     perl_clone_using
 773                     )];
 774 }
 775
 776 unless ($define{'FAKE_THREADS'}) {
 777     skip_symbols [qw(PL_curthr)];
 778 }
 779
 780 unless ($define{'PL_OP_SLAB_ALLOC'}) {
 781     skip_symbols [qw(
 782                      PL_OpPtr
 783                      PL_OpSlab
 784                      PL_OpSpace
 785                      Perl_Slab_Alloc
 786                      Perl_Slab_Free
 787                     )];
 788 }
 789
 790 unless ($define{'THREADS_HAVE_PIDS'}) {
 791     skip_symbols [qw(PL_ppid)];
 792 }
 793
 794 unless ($define{'PERL_NEED_APPCTX'}) {
 795     skip_symbols [qw(
 796                     PL_appctx
 797                     )];
 798 }
 799
 800 unless ($define{'PERL_NEED_TIMESBASE'}) {
 801     skip_symbols [qw(
 802                     PL_timesbase
 803                     )];
 804 }
 805
 806 unless ($define{'DEBUG_LEAKING_SCALARS_FORK_DUMP'}) {
 807     skip_symbols [qw(
 808                     PL_dumper_fd
 809                     )];
 810 }
 811 unless ($define{'PERL_DONT_CREATE_GVSV'}) {
 812     skip_symbols [qw(
 813                      Perl_gv_SVadd
 814                     )];
 815 }
 816 if ($define{'SPRINTF_RETURNS_STRLEN'}) {
 817     skip_symbols [qw(
 818                      Perl_my_sprintf
 819                     )];
 820 }
 821 unless ($define{'PERL_USES_PL_PIDSTATUS'}) {
 822     skip_symbols [qw(
 823                      Perl_pidgone
 824                      PL_pidstatus
 825                     )];
 826 }
 827
 828 unless ($define{'d_mmap'}) {
 829     skip_symbols [qw(
 830                     PL_mmap_page_size
 831                     )];
 832 }
 833
 834 if ($define{'d_sigaction'}) {
 835     skip_symbols [qw(
 836                     PL_sig_trapped
 837                     )];
 838 }
 839
 840 if ($^O ne 'vms') {
 841     # VMS does its own thing for these symbols.
 842     skip_symbols [qw(PL_sig_handlers_initted
 843                      PL_sig_ignoring
 844                      PL_sig_defaulting)];
 845 }
 846
 847 sub readvar {
 848     my $file = shift;
 849     my $proc = shift || sub { "PL_$_[2]" };
 850     open(VARS,$file) || die "Cannot open $file: $!\n";
 851     my @syms;
 852     while (<VARS>) {
 853         # All symbols have a Perl_ prefix because that's what embed.h
 854         # sticks in front of them.  The A?I?S?C? is strictly speaking
 855         # wrong.
 856         push(@syms, &$proc($1,$2,$3)) if (/\bPERLVAR(A?I?S?C?)\(([IGT])(\w+)/);
 857     }
 858     close(VARS);
 859     return \@syms;
 860 }
 861
 862 if ($define{'PERL_GLOBAL_STRUCT'}) {
 863     my $global = readvar($perlvars_h);
 864     skip_symbols $global;
 865     emit_symbol('Perl_GetVars');
 866     emit_symbols [qw(PL_Vars PL_VarsPtr)] unless $CCTYPE eq 'GCC';
 867 } else {
 868     skip_symbols [qw(Perl_init_global_struct Perl_free_global_struct)];
 869 }
 870
 871 # functions from *.sym files
 872
 873 my @syms = ($global_sym, $globvar_sym); # $pp_sym is not part of the API
 874
 875 # Symbols that are the public face of the PerlIO layers implementation
 876 # These are in _addition to_ the public face of the abstraction
 877 # and need to be exported to allow XS modules to implement layers
 878 my @layer_syms = qw(
 879                     PerlIOBase_binmode
 880                     PerlIOBase_clearerr
 881                     PerlIOBase_close
 882                     PerlIOBase_dup
 883                     PerlIOBase_eof
 884                     PerlIOBase_error
 885                     PerlIOBase_fileno
 886                     PerlIOBase_noop_fail
 887                     PerlIOBase_noop_ok
 888                     PerlIOBase_popped
 889                     PerlIOBase_pushed
 890                     PerlIOBase_read
 891                     PerlIOBase_setlinebuf
 892                     PerlIOBase_unread
 893                     PerlIOBuf_bufsiz
 894                     PerlIOBuf_close
 895                     PerlIOBuf_dup
 896                     PerlIOBuf_fill
 897                     PerlIOBuf_flush
 898                     PerlIOBuf_get_base
 899                     PerlIOBuf_get_cnt
 900                     PerlIOBuf_get_ptr
 901                     PerlIOBuf_open
 902                     PerlIOBuf_popped
 903                     PerlIOBuf_pushed
 904                     PerlIOBuf_read
 905                     PerlIOBuf_seek
 906                     PerlIOBuf_set_ptrcnt
 907                     PerlIOBuf_tell
 908                     PerlIOBuf_unread
 909                     PerlIOBuf_write
 910                     PerlIO_allocate
 911                     PerlIO_apply_layera
 912                     PerlIO_apply_layers
 913                     PerlIO_arg_fetch
 914                     PerlIO_debug
 915                     PerlIO_define_layer
 916                     PerlIO_isutf8
 917                     PerlIO_layer_fetch
 918                     PerlIO_list_free
 919                     PerlIO_modestr
 920                     PerlIO_parse_layers
 921                     PerlIO_pending
 922                     PerlIO_perlio
 923                     PerlIO_pop
 924                     PerlIO_push
 925                     PerlIO_sv_dup
 926                     Perl_PerlIO_clearerr
 927                     Perl_PerlIO_close
 928                     Perl_PerlIO_eof
 929                     Perl_PerlIO_error
 930                     Perl_PerlIO_fileno
 931                     Perl_PerlIO_fill
 932                     Perl_PerlIO_flush
 933                     Perl_PerlIO_get_base
 934                     Perl_PerlIO_get_bufsiz
 935                     Perl_PerlIO_get_cnt
 936                     Perl_PerlIO_get_ptr
 937                     Perl_PerlIO_read
 938                     Perl_PerlIO_seek
 939                     Perl_PerlIO_set_cnt
 940                     Perl_PerlIO_set_ptrcnt
 941                     Perl_PerlIO_setlinebuf
 942                     Perl_PerlIO_stderr
 943                     Perl_PerlIO_stdin
 944                     Perl_PerlIO_stdout
 945                     Perl_PerlIO_tell
 946                     Perl_PerlIO_unread
 947                     Perl_PerlIO_write
 948 );
 949 if ($PLATFORM eq 'netware') {
 950     push(@layer_syms,'PL_def_layerlist','PL_known_layers','PL_perlio');
 951 }
 952
 953 if ($define{'USE_PERLIO'}) {
 954     # Export the symols that make up the PerlIO abstraction, regardless
 955     # of its implementation - read from a file
 956     push @syms, $perlio_sym;
 957
 958     # This part is then dependent on how the abstraction is implemented
 959     if ($define{'USE_SFIO'}) {
 960         # Old legacy non-stdio "PerlIO"
 961         skip_symbols \@layer_syms;
 962         skip_symbols [qw(perlsio_binmode)];
 963         # SFIO defines most of the PerlIO routines as macros
 964         # So undo most of what $perlio_sym has just done - d'oh !
 965         # Perhaps it would be better to list the ones which do exist
 966         # And emit them
 967         skip_symbols [qw(
 968                          PerlIO_canset_cnt
 969                          PerlIO_clearerr
 970                          PerlIO_close
 971                          PerlIO_eof
 972                          PerlIO_error
 973                          PerlIO_exportFILE
 974                          PerlIO_fast_gets
 975                          PerlIO_fdopen
 976                          PerlIO_fileno
 977                          PerlIO_findFILE
 978                          PerlIO_flush
 979                          PerlIO_get_base
 980                          PerlIO_get_bufsiz
 981                          PerlIO_get_cnt
 982                          PerlIO_get_ptr
 983                          PerlIO_getc
 984                          PerlIO_getname
 985                          PerlIO_has_base
 986                          PerlIO_has_cntptr
 987                          PerlIO_importFILE
 988                          PerlIO_open
 989                          PerlIO_printf
 990                          PerlIO_putc
 991                          PerlIO_puts
 992                          PerlIO_read
 993                          PerlIO_releaseFILE
 994                          PerlIO_reopen
 995                          PerlIO_rewind
 996                          PerlIO_seek
 997                          PerlIO_set_cnt
 998                          PerlIO_set_ptrcnt
 999                          PerlIO_setlinebuf
1000                          PerlIO_sprintf
1001                          PerlIO_stderr
1002                          PerlIO_stdin
1003                          PerlIO_stdout
1004                          PerlIO_stdoutf
1005                          PerlIO_tell
1006                          PerlIO_ungetc
1007                          PerlIO_vprintf
1008                          PerlIO_write
1009                          PerlIO_perlio
1010                          Perl_PerlIO_clearerr
1011                          Perl_PerlIO_close
1012                          Perl_PerlIO_eof
1013                          Perl_PerlIO_error
1014                          Perl_PerlIO_fileno
1015                          Perl_PerlIO_fill
1016                          Perl_PerlIO_flush
1017                          Perl_PerlIO_get_base
1018                          Perl_PerlIO_get_bufsiz
1019                          Perl_PerlIO_get_cnt
1020                          Perl_PerlIO_get_ptr
1021                          Perl_PerlIO_read
1022                          Perl_PerlIO_seek
1023                          Perl_PerlIO_set_cnt
1024                          Perl_PerlIO_set_ptrcnt
1025                          Perl_PerlIO_setlinebuf
1026                          Perl_PerlIO_stderr
1027                          Perl_PerlIO_stdin
1028                          Perl_PerlIO_stdout
1029                          Perl_PerlIO_tell
1030                          Perl_PerlIO_unread
1031                          Perl_PerlIO_write
1032                          PL_def_layerlist
1033                          PL_known_layers
1034                          PL_perlio
1035                          )];
1036     }
1037     else {
1038         # PerlIO with layers - export implementation
1039         emit_symbols \@layer_syms;
1040         emit_symbols [qw(perlsio_binmode)];
1041     }
1042 } else {
1043         # -Uuseperlio
1044         # Skip the PerlIO layer symbols - although
1045         # nothing should have exported them anyway.
1046         skip_symbols \@layer_syms;
1047         skip_symbols [qw(perlsio_binmode)];
1048         skip_symbols [qw(PL_def_layerlist PL_known_layers PL_perlio)];
1049
1050         # Also do NOT add abstraction symbols from $perlio_sym
1051         # abstraction is done as #define to stdio
1052         # Remaining remnants that _may_ be functions
1053         # are handled in <DATA>
1054 }
1055
1056 for my $syms (@syms) {
1057     open (GLOBAL, "<$syms") || die "failed to open $syms: $!\n";
1058     while (<GLOBAL>) {
1059         next if (!/^[A-Za-z]/);
1060         # Functions have a Perl_ prefix
1061         # Variables have a PL_ prefix
1062         chomp($_);
1063         my $symbol = ($syms =~ /var\.sym$/i ? "PL_" : "");
1064         $symbol .= $_;
1065         emit_symbol($symbol) unless exists $skip{$symbol};
1066     }
1067     close(GLOBAL);
1068 }
1069
1070 # variables
1071
1072 if ($define{'MULTIPLICITY'}) {
1073     for my $f ($perlvars_h, $intrpvar_h, $thrdvar_h) {
1074         my $glob = readvar($f, sub { "Perl_" . $_[1] . $_[2] . "_ptr" });
1075         emit_symbols $glob;
1076     }
1077     # XXX AIX seems to want the perlvars.h symbols, for some reason
1078     if ($PLATFORM eq 'aix' or $PLATFORM eq 'os2') {     # OS/2 needs PL_thr_key
1079         my $glob = readvar($perlvars_h);
1080         emit_symbols $glob;
1081     }
1082 }
1083 else {
1084     unless ($define{'PERL_GLOBAL_STRUCT'}) {
1085         my $glob = readvar($perlvars_h);
1086         emit_symbols $glob;
1087     }
1088     unless ($define{'MULTIPLICITY'}) {
1089         my $glob = readvar($intrpvar_h);
1090         emit_symbols $glob;
1091     }
1092     unless ($define{'MULTIPLICITY'}) {
1093         my $glob = readvar($thrdvar_h);
1094         emit_symbols $glob;
1095     }
1096 }
1097
1098 sub try_symbol {
1099     my $symbol = shift;
1100
1101     return if $symbol !~ /^[A-Za-z_]/;
1102     return if $symbol =~ /^\#/;
1103     $symbol =~s/\r//g;
1104     chomp($symbol);
1105     return if exists $skip{$symbol};
1106     emit_symbol($symbol);
1107 }
1108
1109 while (<DATA>) {
1110     try_symbol($_);
1111 }
1112
1113 if ($PLATFORM =~ /^win(?:32|ce)$/) {
1114     foreach my $symbol (qw(
1115                             setuid
1116                             setgid
1117                             boot_DynaLoader
1118                             Perl_init_os_extras
1119                             Perl_thread_create
1120                             Perl_win32_init
1121                             Perl_win32_term
1122                             RunPerl
1123                             win32_async_check
1124                             win32_errno
1125                             win32_environ
1126                             win32_abort
1127                             win32_fstat
1128                             win32_stat
1129                             win32_pipe
1130                             win32_popen
1131                             win32_pclose
1132                             win32_rename
1133                             win32_setmode
1134                             win32_chsize
1135                             win32_lseek
1136                             win32_tell
1137                             win32_dup
1138                             win32_dup2
1139                             win32_open
1140                             win32_close
1141                             win32_eof
1142                             win32_read
1143                             win32_write
1144                             win32_spawnvp
1145                             win32_mkdir
1146                             win32_rmdir
1147                             win32_chdir
1148                             win32_flock
1149                             win32_execv
1150                             win32_execvp
1151                             win32_htons
1152                             win32_ntohs
1153                             win32_htonl
1154                             win32_ntohl
1155                             win32_inet_addr
1156                             win32_inet_ntoa
1157                             win32_socket
1158                             win32_bind
1159                             win32_listen
1160                             win32_accept
1161                             win32_connect
1162                             win32_send
1163                             win32_sendto
1164                             win32_recv
1165                             win32_recvfrom
1166                             win32_shutdown
1167                             win32_closesocket
1168                             win32_ioctlsocket
1169                             win32_setsockopt
1170                             win32_getsockopt
1171                             win32_getpeername
1172                             win32_getsockname
1173                             win32_gethostname
1174                             win32_gethostbyname
1175                             win32_gethostbyaddr
1176                             win32_getprotobyname
1177                             win32_getprotobynumber
1178                             win32_getservbyname
1179                             win32_getservbyport
1180                             win32_select
1181                             win32_endhostent
1182                             win32_endnetent
1183                             win32_endprotoent
1184                             win32_endservent
1185                             win32_getnetent
1186                             win32_getnetbyname
1187                             win32_getnetbyaddr
1188                             win32_getprotoent
1189                             win32_getservent
1190                             win32_sethostent
1191                             win32_setnetent
1192                             win32_setprotoent
1193                             win32_setservent
1194                             win32_getenv
1195                             win32_putenv
1196                             win32_perror
1197                             win32_malloc
1198                             win32_calloc
1199                             win32_realloc
1200                             win32_free
1201                             win32_sleep
1202                             win32_times
1203                             win32_access
1204                             win32_alarm
1205                             win32_chmod
1206                             win32_open_osfhandle
1207                             win32_get_osfhandle
1208                             win32_ioctl
1209                             win32_link
1210                             win32_unlink
1211                             win32_utime
1212                             win32_gettimeofday
1213                             win32_uname
1214                             win32_wait
1215                             win32_waitpid
1216                             win32_kill
1217                             win32_str_os_error
1218                             win32_opendir
1219                             win32_readdir
1220                             win32_telldir
1221                             win32_seekdir
1222                             win32_rewinddir
1223                             win32_closedir
1224                             win32_longpath
1225                             win32_os_id
1226                             win32_getpid
1227                             win32_crypt
1228                             win32_dynaload
1229                             win32_get_childenv
1230                             win32_free_childenv
1231                             win32_clearenv
1232                             win32_get_childdir
1233                             win32_free_childdir
1234                             win32_stdin
1235                             win32_stdout
1236                             win32_stderr
1237                             win32_ferror
1238                             win32_feof
1239                             win32_strerror
1240                             win32_fprintf
1241                             win32_printf
1242                             win32_vfprintf
1243                             win32_vprintf
1244                             win32_fread
1245                             win32_fwrite
1246                             win32_fopen
1247                             win32_fdopen
1248                             win32_freopen
1249                             win32_fclose
1250                             win32_fputs
1251                             win32_fputc
1252                             win32_ungetc
1253                             win32_getc
1254                             win32_fileno
1255                             win32_clearerr
1256                             win32_fflush
1257                             win32_ftell
1258                             win32_fseek
1259                             win32_fgetpos
1260                             win32_fsetpos
1261                             win32_rewind
1262                             win32_tmpfile
1263                             win32_setbuf
1264                             win32_setvbuf
1265                             win32_flushall
1266                             win32_fcloseall
1267                             win32_fgets
1268                             win32_gets
1269                             win32_fgetc
1270                             win32_putc
1271                             win32_puts
1272                             win32_getchar
1273                             win32_putchar
1274                            ))
1275     {
1276         try_symbol($symbol);
1277     }
1278     if ($CCTYPE eq "BORLAND") {
1279         try_symbol('_matherr');
1280     }
1281 }
1282 elsif ($PLATFORM eq 'os2') {
1283     open MAP, 'miniperl.map' or die 'Cannot read miniperl.map';
1284     /^\s*[\da-f:]+\s+(\w+)/i and $mapped{$1}++ foreach <MAP>;
1285     close MAP or die 'Cannot close miniperl.map';
1286
1287     @missing = grep { !exists $mapped{$_} }
1288                     keys %export;
1289     @missing = grep { !exists $exportperlmalloc{$_} } @missing;
1290     delete $export{$_} foreach @missing;
1291 }
1292 elsif ($PLATFORM eq 'MacOS') {
1293     open MACSYMS, 'macperl.sym' or die 'Cannot read macperl.sym';
1294
1295     while (<MACSYMS>) {
1296         try_symbol($_);
1297     }
1298
1299     close MACSYMS;
1300 }
1301 elsif ($PLATFORM eq 'netware') {
1302 foreach my $symbol (qw(
1303                         boot_DynaLoader
1304                         Perl_init_os_extras
1305                         Perl_thread_create
1306                         Perl_nw5_init
1307                         RunPerl
1308                         AllocStdPerl
1309                         FreeStdPerl
1310                         do_spawn2
1311                         do_aspawn
1312                         nw_uname
1313                         nw_stdin
1314                         nw_stdout
1315                         nw_stderr
1316                         nw_feof
1317                         nw_ferror
1318                         nw_fopen
1319                         nw_fclose
1320                         nw_clearerr
1321                         nw_getc
1322                         nw_fgets
1323                         nw_fputc
1324                         nw_fputs
1325                         nw_fflush
1326                         nw_ungetc
1327                         nw_fileno
1328                         nw_fdopen
1329                         nw_freopen
1330                         nw_fread
1331                         nw_fwrite
1332                         nw_setbuf
1333                         nw_setvbuf
1334                         nw_vfprintf
1335                         nw_ftell
1336                         nw_fseek
1337                         nw_rewind
1338                         nw_tmpfile
1339                         nw_fgetpos
1340                         nw_fsetpos
1341                         nw_dup
1342                         nw_access
1343                         nw_chmod
1344                         nw_chsize
1345                         nw_close
1346                         nw_dup2
1347                         nw_flock
1348                         nw_isatty
1349                         nw_link
1350                         nw_lseek
1351                         nw_stat
1352                         nw_mktemp
1353                         nw_open
1354                         nw_read
1355                         nw_rename
1356                         nw_setmode
1357                         nw_unlink
1358                         nw_utime
1359                         nw_write
1360                         nw_chdir
1361                         nw_rmdir
1362                         nw_closedir
1363                         nw_opendir
1364                         nw_readdir
1365                         nw_rewinddir
1366                         nw_seekdir
1367                         nw_telldir
1368                         nw_htonl
1369                         nw_htons
1370                         nw_ntohl
1371                         nw_ntohs
1372                         nw_accept
1373                         nw_bind
1374                         nw_connect
1375                         nw_endhostent
1376                         nw_endnetent
1377                         nw_endprotoent
1378                         nw_endservent
1379                         nw_gethostbyaddr
1380                         nw_gethostbyname
1381                         nw_gethostent
1382                         nw_gethostname
1383                         nw_getnetbyaddr
1384                         nw_getnetbyname
1385                         nw_getnetent
1386                         nw_getpeername
1387                         nw_getprotobyname
1388                         nw_getprotobynumber
1389                         nw_getprotoent
1390                         nw_getservbyname
1391                         nw_getservbyport
1392                         nw_getservent
1393                         nw_getsockname
1394                         nw_getsockopt
1395                         nw_inet_addr
1396                         nw_listen
1397                         nw_socket
1398                         nw_recv
1399                         nw_recvfrom
1400                         nw_select
1401                         nw_send
1402                         nw_sendto
1403                         nw_sethostent
1404                         nw_setnetent
1405                         nw_setprotoent
1406                         nw_setservent
1407                         nw_setsockopt
1408                         nw_inet_ntoa
1409                         nw_shutdown
1410                         nw_crypt
1411                         nw_execvp
1412                         nw_kill
1413                         nw_Popen
1414                         nw_Pclose
1415                         nw_Pipe
1416                         nw_times
1417                         nw_waitpid
1418                         nw_getpid
1419                         nw_spawnvp
1420                         nw_os_id
1421                         nw_open_osfhandle
1422                         nw_get_osfhandle
1423                         nw_abort
1424                         nw_sleep
1425                         nw_wait
1426                         nw_dynaload
1427                         nw_strerror
1428                         fnFpSetMode
1429                         fnInsertHashListAddrs
1430                         fnGetHashListAddrs
1431                         Perl_deb
1432                         Perl_sv_setsv
1433                         Perl_sv_catsv
1434                         Perl_sv_catpvn
1435                         Perl_sv_2pv
1436                         nw_freeenviron
1437                         Remove_Thread_Ctx
1438                            ))
1439     {
1440         try_symbol($symbol);
1441     }
1442 }
1443
1444 # records of type boot_module for statically linked modules (except Dynaloader)
1445 $static_ext =~ s/\//__/g;
1446 $static_ext =~ s/\bDynaLoader\b//;
1447 my @stat_mods = map {"boot_$_"} grep {/\S/} split /\s+/, $static_ext;
1448 foreach my $symbol (@stat_mods)
1449     {
1450         try_symbol($symbol);
1451     }
1452
1453 # Now all symbols should be defined because
1454 # next we are going to output them.
1455
1456 foreach my $symbol (sort keys %export) {
1457     output_symbol($symbol);
1458 }
1459
1460 if ($PLATFORM eq 'os2') {
1461         print <<EOP;
1462     dll_perlmain=main
1463     fill_extLibpath
1464     dir_subst
1465     Perl_OS2_handler_install
1466
1467 ; LAST_ORDINAL=$sym_ord
1468 EOP
1469 }
1470
1471 sub emit_symbol {
1472     my $symbol = shift;
1473     chomp($symbol);
1474     $export{$symbol} = 1;
1475 }
1476
1477 sub output_symbol {
1478     my $symbol = shift;
1479     if ($PLATFORM =~ /^win(?:32|ce)$/) {
1480         $symbol = "_$symbol" if $CCTYPE eq 'BORLAND';
1481         print "\t$symbol\n";
1482 # XXX: binary compatibility between compilers is an exercise
1483 # in frustration :-(
1484 #        if ($CCTYPE eq "BORLAND") {
1485 #           # workaround Borland quirk by exporting both the straight
1486 #           # name and a name with leading underscore.  Note the
1487 #           # alias *must* come after the symbol itself, if both
1488 #           # are to be exported. (Linker bug?)
1489 #           print "\t_$symbol\n";
1490 #           print "\t$symbol = _$symbol\n";
1491 #       }
1492 #       elsif ($CCTYPE eq 'GCC') {
1493 #           # Symbols have leading _ whole process is $%@"% slow
1494 #           # so skip aliases for now
1495 #           nprint "\t$symbol\n";
1496 #       }
1497 #       else {
1498 #           # for binary coexistence, export both the symbol and
1499 #           # alias with leading underscore
1500 #           print "\t$symbol\n";
1501 #           print "\t_$symbol = $symbol\n";
1502 #       }
1503     }
1504     elsif ($PLATFORM eq 'os2') {
1505         printf qq(    %-31s \@%s\n),
1506           qq("$symbol"), $ordinal{$symbol} || ++$sym_ord;
1507         printf qq(    %-31s \@%s\n),
1508           qq("$exportperlmalloc{$symbol}" = "$symbol"),
1509           $ordinal{$exportperlmalloc{$symbol}} || ++$sym_ord
1510           if $exportperlmalloc and exists $exportperlmalloc{$symbol};
1511     }
1512     elsif ($PLATFORM eq 'aix' || $PLATFORM eq 'MacOS') {
1513         print "$symbol\n";
1514     }
1515         elsif ($PLATFORM eq 'netware') {
1516         print "\t$symbol,\n";
1517         }
1518 }
1519
1520 1;
1521 __DATA__
1522 # extra globals not included above.
1523 Perl_cxinc
1524 perl_alloc
1525 perl_alloc_using
1526 perl_clone
1527 perl_clone_using
1528 perl_construct
1529 perl_destruct
1530 perl_free
1531 perl_parse
1532 perl_run
1533 # Oddities from PerlIO
1534 PerlIO_binmode
1535 PerlIO_getpos
1536 PerlIO_init
1537 PerlIO_setpos
1538 PerlIO_sprintf
1539 PerlIO_sv_dup
1540 PerlIO_tmpfile
1541 PerlIO_vsprintf