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{$1} = 1 while /-D(\w+)/g;
 102         }
 103         if ($PLATFORM eq 'os2') {
 104             $CONFIG_ARGS = $1 if /^config_args='(.+)'$/;
 105             $ARCHNAME =    $1 if /^archname='(.+)'$/;
 106             $PATCHLEVEL =  $1 if /^perl_patchlevel='(.+)'$/;
 107         }
 108     }
 109     close(CFG);
 110 }
 111 if ($PLATFORM eq 'win32' || $PLATFORM eq 'wince') {
 112     open(CFG,"<..\\$config_sh") || die "Cannot open ..\\$config_sh: $!\n";
 113     if ((join '', <CFG>) =~ /^static_ext='(.*)'$/m) {
 114         $static_ext = $1;
 115     }
 116     close(CFG);
 117 }
 118
 119 open(CFG,$config_h) || die "Cannot open $config_h: $!\n";
 120 while (<CFG>) {
 121     $define{$1} = 1 if /^\s*#\s*define\s+(MYMALLOC)\b/;
 122     $define{$1} = 1 if /^\s*#\s*define\s+(MULTIPLICITY)\b/;
 123     $define{$1} = 1 if /^\s*#\s*define\s+(PERL_\w+)\b/;
 124     $define{$1} = 1 if /^\s*#\s*define\s+(USE_\w+)\b/;
 125 }
 126 close(CFG);
 127
 128 # perl.h logic duplication begins
 129
 130 if ($define{PERL_IMPLICIT_SYS}) {
 131     $define{PL_OP_SLAB_ALLOC} = 1;
 132 }
 133
 134 if ($define{USE_ITHREADS}) {
 135     if (!$define{MULTIPLICITY}) {
 136         $define{MULTIPLICITY} = 1;
 137     }
 138 }
 139
 140 $define{PERL_IMPLICIT_CONTEXT} ||=
 141     $define{USE_ITHREADS} ||
 142     $define{USE_5005THREADS}  ||
 143     $define{MULTIPLICITY} ;
 144
 145 if ($define{USE_ITHREADS} && $PLATFORM ne 'win32' && $^O ne 'darwin') {
 146     $define{USE_REENTRANT_API} = 1;
 147 }
 148
 149 # perl.h logic duplication ends
 150
 151 my $sym_ord = 0;
 152
 153 print STDERR "Defines: (" . join(' ', sort keys %define) . ")\n";
 154
 155 if ($PLATFORM =~ /^win(?:32|ce)$/) {
 156     ($dll = ($define{PERL_DLL} || "perl58")) =~ s/\.dll$//i;
 157     print "LIBRARY $dll\n";
 158     print "DESCRIPTION 'Perl interpreter'\n";
 159     print "EXPORTS\n";
 160     if ($define{PERL_IMPLICIT_SYS}) {
 161         output_symbol("perl_get_host_info");
 162         output_symbol("perl_alloc_override");
 163     }
 164     if ($define{USE_ITHREADS} and $define{PERL_IMPLICIT_SYS}) {
 165         output_symbol("perl_clone_host");
 166     }
 167 }
 168 elsif ($PLATFORM eq 'os2') {
 169     if (open my $fh, '<', 'perl5.def') {
 170       while (<$fh>) {
 171         last if /^\s*EXPORTS\b/;
 172       }
 173       while (<$fh>) {
 174         $ordinal{$1} = $2 if /^\s*"(\w+)"\s*(?:=\s*"\w+"\s*)?\@(\d+)\s*$/;
 175         # This allows skipping ordinals which were used in older versions
 176         $sym_ord = $1 if /^\s*;\s*LAST_ORDINAL\s*=\s*(\d+)\s*$/;
 177       }
 178       $sym_ord < $_ and $sym_ord = $_ for values %ordinal; # Take the max
 179     }
 180     ($v = $]) =~ s/(\d\.\d\d\d)(\d\d)$/$1_$2/;
 181     $v .= '-thread' if $ARCHNAME =~ /-thread/;
 182     ($dll = $define{PERL_DLL}) =~ s/\.dll$//i;
 183     $v .= "\@$PATCHLEVEL" if $PATCHLEVEL;
 184     $d = "DESCRIPTION '\@#perl5-porters\@perl.org:$v#\@ Perl interpreter, configured as $CONFIG_ARGS'";
 185     $d = substr($d, 0, 249) . "...'" if length $d > 253;
 186     print <<"---EOP---";
 187 LIBRARY '$dll' INITINSTANCE TERMINSTANCE
 188 $d
 189 STACKSIZE 32768
 190 CODE LOADONCALL
 191 DATA LOADONCALL NONSHARED MULTIPLE
 192 EXPORTS
 193 ---EOP---
 194 }
 195 elsif ($PLATFORM eq 'aix') {
 196     $OSVER = `uname -v`;
 197     chop $OSVER;
 198     $OSREL = `uname -r`;
 199     chop $OSREL;
 200     if ($OSVER > 4 || ($OSVER == 4 && $OSREL >= 3)) {
 201         print "#! ..\n";
 202     } else {
 203         print "#!\n";
 204     }
 205 }
 206 elsif ($PLATFORM eq 'netware') {
 207         if ($FILETYPE eq 'def') {
 208         print "LIBRARY perl58\n";
 209         print "DESCRIPTION 'Perl interpreter for NetWare'\n";
 210         print "EXPORTS\n";
 211         }
 212         if ($define{PERL_IMPLICIT_SYS}) {
 213             output_symbol("perl_get_host_info");
 214             output_symbol("perl_alloc_override");
 215             output_symbol("perl_clone_host");
 216         }
 217 }
 218
 219 my %skip;
 220 my %export;
 221
 222 sub skip_symbols {
 223     my $list = shift;
 224     foreach my $symbol (@$list) {
 225         $skip{$symbol} = 1;
 226     }
 227 }
 228
 229 sub emit_symbols {
 230     my $list = shift;
 231     foreach my $symbol (@$list) {
 232         my $skipsym = $symbol;
 233         # XXX hack
 234         if ($define{MULTIPLICITY}) {
 235             $skipsym =~ s/^Perl_[GIT](\w+)_ptr$/PL_$1/;
 236         }
 237         emit_symbol($symbol) unless exists $skip{$skipsym};
 238     }
 239 }
 240
 241 if ($PLATFORM eq 'win32') {
 242     skip_symbols [qw(
 243                      PL_statusvalue_vms
 244                      PL_archpat_auto
 245                      PL_cryptseen
 246                      PL_DBcv
 247                      PL_generation
 248                      PL_lastgotoprobe
 249                      PL_linestart
 250                      PL_modcount
 251                      PL_pending_ident
 252                      PL_sublex_info
 253                      PL_timesbuf
 254                      main
 255                      Perl_ErrorNo
 256                      Perl_GetVars
 257                      Perl_do_exec3
 258                      Perl_do_ipcctl
 259                      Perl_do_ipcget
 260                      Perl_do_msgrcv
 261                      Perl_do_msgsnd
 262                      Perl_do_semop
 263                      Perl_do_shmio
 264                      Perl_dump_fds
 265                      Perl_init_thread_intern
 266                      Perl_my_bzero
 267                      Perl_my_bcopy
 268                      Perl_my_htonl
 269                      Perl_my_ntohl
 270                      Perl_my_swap
 271                      Perl_my_chsize
 272                      Perl_same_dirent
 273                      Perl_setenv_getix
 274                      Perl_unlnk
 275                      Perl_watch
 276                      Perl_safexcalloc
 277                      Perl_safexmalloc
 278                      Perl_safexfree
 279                      Perl_safexrealloc
 280                      Perl_my_memcmp
 281                      Perl_my_memset
 282                      PL_cshlen
 283                      PL_cshname
 284                      PL_opsave
 285                      Perl_do_exec
 286                      Perl_getenv_len
 287                      Perl_my_pclose
 288                      Perl_my_popen
 289                      Perl_my_sprintf
 290                      )];
 291 }
 292 else {
 293     skip_symbols [qw(
 294                      Perl_do_spawn
 295                      Perl_do_spawn_nowait
 296                      Perl_do_aspawn
 297                      )];
 298 }
 299 if ($PLATFORM eq 'wince') {
 300     skip_symbols [qw(
 301                      PL_statusvalue_vms
 302                      PL_archpat_auto
 303                      PL_cryptseen
 304                      PL_DBcv
 305                      PL_generation
 306                      PL_lastgotoprobe
 307                      PL_linestart
 308                      PL_modcount
 309                      PL_pending_ident
 310                      PL_sublex_info
 311                      PL_timesbuf
 312                      PL_collation_ix
 313                      PL_collation_name
 314                      PL_collation_standard
 315                      PL_collxfrm_base
 316                      PL_collxfrm_mult
 317                      PL_numeric_compat1
 318                      PL_numeric_local
 319                      PL_numeric_name
 320                      PL_numeric_radix_sv
 321                      PL_numeric_standard
 322                      PL_vtbl_collxfrm
 323                      Perl_sv_collxfrm
 324                      setgid
 325                      setuid
 326                      win32_free_childdir
 327                      win32_free_childenv
 328                      win32_get_childdir
 329                      win32_get_childenv
 330                      win32_spawnvp
 331                      main
 332                      Perl_ErrorNo
 333                      Perl_GetVars
 334                      Perl_do_exec3
 335                      Perl_do_ipcctl
 336                      Perl_do_ipcget
 337                      Perl_do_msgrcv
 338                      Perl_do_msgsnd
 339                      Perl_do_semop
 340                      Perl_do_shmio
 341                      Perl_dump_fds
 342                      Perl_init_thread_intern
 343                      Perl_my_bzero
 344                      Perl_my_bcopy
 345                      Perl_my_htonl
 346                      Perl_my_ntohl
 347                      Perl_my_swap
 348                      Perl_my_chsize
 349                      Perl_same_dirent
 350                      Perl_setenv_getix
 351                      Perl_unlnk
 352                      Perl_watch
 353                      Perl_safexcalloc
 354                      Perl_safexmalloc
 355                      Perl_safexfree
 356                      Perl_safexrealloc
 357                      Perl_my_memcmp
 358                      Perl_my_memset
 359                      PL_cshlen
 360                      PL_cshname
 361                      PL_opsave
 362                      Perl_do_exec
 363                      Perl_getenv_len
 364                      Perl_my_pclose
 365                      Perl_my_popen
 366                      Perl_my_sprintf
 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_sv_peek
 585                     Perl_hv_assert
 586                     PL_block_type
 587                     PL_watchaddr
 588                     PL_watchok
 589                     )];
 590 }
 591
 592 if ($define{'PERL_IMPLICIT_CONTEXT'}) {
 593     skip_symbols [qw(
 594                     PL_sig_sv
 595                     )];
 596 }
 597
 598 if ($define{'PERL_IMPLICIT_SYS'}) {
 599     skip_symbols [qw(
 600                     Perl_getenv_len
 601                     Perl_my_popen
 602                     Perl_my_pclose
 603                     )];
 604 }
 605 else {
 606     skip_symbols [qw(
 607                     PL_Mem
 608                     PL_MemShared
 609                     PL_MemParse
 610                     PL_Env
 611                     PL_StdIO
 612                     PL_LIO
 613                     PL_Dir
 614                     PL_Sock
 615                     PL_Proc
 616                     )];
 617 }
 618
 619 unless ($define{'PERL_FLEXIBLE_EXCEPTIONS'}) {
 620     skip_symbols [qw(
 621                     PL_protect
 622                     Perl_default_protect
 623                     Perl_vdefault_protect
 624                     )];
 625 }
 626
 627 unless ($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_5005THREADS'} || $define{'USE_ITHREADS'}) {
 643         emit_symbols [qw(
 644                         PL_malloc_mutex
 645                         )];
 646     }
 647     else {
 648         skip_symbols [qw(
 649                         PL_malloc_mutex
 650                         )];
 651     }
 652 }
 653 else {
 654     skip_symbols [qw(
 655                     PL_malloc_mutex
 656                     Perl_dump_mstats
 657                     Perl_get_mstats
 658                     Perl_malloced_size
 659                     MallocCfg_ptr
 660                     MallocCfgP_ptr
 661                     )];
 662 }
 663
 664 if ($define{'PERL_USE_SAFE_PUTENV'}) {
 665     skip_symbols [qw(
 666                    PL_use_safe_putenv
 667                   )];
 668 }
 669
 670 unless ($define{'USE_5005THREADS'} || $define{'USE_ITHREADS'}) {
 671     skip_symbols [qw(
 672                     PL_thr_key
 673                     )];
 674 }
 675
 676 unless ($define{'USE_5005THREADS'}) {
 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
 705 unless ($define{'USE_ITHREADS'}) {
 706     skip_symbols [qw(
 707                     PL_ptr_table
 708                     PL_pte_root
 709                     PL_pte_arenaroot
 710                     PL_op_mutex
 711                     PL_regex_pad
 712                     PL_regex_padav
 713                     PL_sharedsv_space
 714                     PL_sharedsv_space_mutex
 715                     PL_dollarzero_mutex
 716                     Perl_dirp_dup
 717                     Perl_cx_dup
 718                     Perl_si_dup
 719                     Perl_any_dup
 720                     Perl_ss_dup
 721                     Perl_fp_dup
 722                     Perl_gp_dup
 723                     Perl_he_dup
 724                     Perl_mg_dup
 725                     Perl_re_dup
 726                     Perl_sv_dup
 727                     Perl_rvpv_dup
 728                     Perl_sys_intern_dup
 729                     Perl_ptr_table_clear
 730                     Perl_ptr_table_fetch
 731                     Perl_ptr_table_free
 732                     Perl_ptr_table_new
 733                     Perl_ptr_table_clear
 734                     Perl_ptr_table_free
 735                     Perl_ptr_table_split
 736                     Perl_ptr_table_store
 737                     perl_clone
 738                     perl_clone_using
 739                     Perl_sharedsv_find
 740                     Perl_sharedsv_init
 741                     Perl_sharedsv_lock
 742                     Perl_sharedsv_new
 743                     Perl_sharedsv_thrcnt_dec
 744                     Perl_sharedsv_thrcnt_inc
 745                     Perl_sharedsv_unlock
 746                     Perl_stashpv_hvname_match
 747                     )];
 748 }
 749
 750 unless ($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                     )];
 766 }
 767
 768 unless ($define{'PERL_IMPLICIT_SYS'}) {
 769     skip_symbols [qw(
 770                     perl_alloc_using
 771                     perl_clone_using
 772                     )];
 773 }
 774
 775 unless ($define{'FAKE_THREADS'}) {
 776     skip_symbols [qw(PL_curthr)];
 777 }
 778
 779 unless ($define{'PL_OP_SLAB_ALLOC'}) {
 780     skip_symbols [qw(
 781                      PL_OpPtr
 782                      PL_OpSlab
 783                      PL_OpSpace
 784                      Perl_Slab_Alloc
 785                      Perl_Slab_Free
 786                     )];
 787 }
 788
 789 unless ($define{'THREADS_HAVE_PIDS'}) {
 790     skip_symbols [qw(PL_ppid)];
 791 }
 792
 793 unless ($define{'DEBUG_LEAKING_SCALARS_FORK_DUMP'}) {
 794     skip_symbols [qw(
 795                     PL_dumper_fd
 796                     )];
 797 }
 798 unless ($define{'PERL_DONT_CREATE_GVSV'}) {
 799     skip_symbols [qw(
 800                      Perl_gv_SVadd
 801                     )];
 802 }
 803 if ($define{'SPRINTF_RETURNS_STRLEN'}) {
 804     skip_symbols [qw(
 805                      Perl_my_sprintf
 806                     )];
 807 }
 808
 809 unless ($define{'PERL_TRACK_MEMPOOL'}) {
 810     skip_symbols [qw(
 811                      PL_memory_debug_header
 812                     )];
 813 }
 814
 815 # Ideally this would also check SA_SIGINFO, but there doesn't seem to be an
 816 # easy way to find that out from here. Fix it if it breaks because there is
 817 # a platform where the logic here doesn't work, *and* the export lists have to
 818 # be accurate there.
 819 unless ($define{'d_sigaction'}) {
 820     skip_symbols [qw(
 821                     Perl_csighandler_va
 822                     )];
 823 }
 824
 825 sub readvar {
 826     my $file = shift;
 827     my $proc = shift || sub { "PL_$_[2]" };
 828     open(VARS,$file) || die "Cannot open $file: $!\n";
 829     my @syms;
 830     while (<VARS>) {
 831         # All symbols have a Perl_ prefix because that's what embed.h
 832         # sticks in front of them.
 833         push(@syms, &$proc($1,$2,$3)) if (/\bPERLVAR(A?I?C?)\(([IGT])(\w+)/);
 834     }
 835     close(VARS);
 836     return \@syms;
 837 }
 838
 839 if ($define{'USE_5005THREADS'}) {
 840     my $thrd = readvar($thrdvar_h);
 841     skip_symbols $thrd;
 842 }
 843
 844 if ($define{'PERL_GLOBAL_STRUCT'}) {
 845     my $global = readvar($perlvars_h);
 846     skip_symbols $global;
 847     emit_symbol('Perl_GetVars');
 848     emit_symbols [qw(PL_Vars PL_VarsPtr)] unless $CCTYPE eq 'GCC';
 849 }
 850
 851 # functions from *.sym files
 852
 853 my @syms = ($global_sym, $globvar_sym); # $pp_sym is not part of the API
 854
 855 # Symbols that are the public face of the PerlIO layers implementation
 856 # These are in _addition to_ the public face of the abstraction
 857 # and need to be exported to allow XS modules to implement layers
 858 my @layer_syms = qw(
 859                     PerlIOBase_binmode
 860                     PerlIOBase_clearerr
 861                     PerlIOBase_close
 862                     PerlIOBase_dup
 863                     PerlIOBase_eof
 864                     PerlIOBase_error
 865                     PerlIOBase_fileno
 866                     PerlIOBase_noop_fail
 867                     PerlIOBase_noop_ok
 868                     PerlIOBase_popped
 869                     PerlIOBase_pushed
 870                     PerlIOBase_read
 871                     PerlIOBase_setlinebuf
 872                     PerlIOBase_unread
 873                     PerlIOBuf_bufsiz
 874                     PerlIOBuf_close
 875                     PerlIOBuf_dup
 876                     PerlIOBuf_fill
 877                     PerlIOBuf_flush
 878                     PerlIOBuf_get_base
 879                     PerlIOBuf_get_cnt
 880                     PerlIOBuf_get_ptr
 881                     PerlIOBuf_open
 882                     PerlIOBuf_popped
 883                     PerlIOBuf_pushed
 884                     PerlIOBuf_read
 885                     PerlIOBuf_seek
 886                     PerlIOBuf_set_ptrcnt
 887                     PerlIOBuf_tell
 888                     PerlIOBuf_unread
 889                     PerlIOBuf_write
 890                     PerlIO_allocate
 891                     PerlIO_apply_layera
 892                     PerlIO_apply_layers
 893                     PerlIO_arg_fetch
 894                     PerlIO_debug
 895                     PerlIO_define_layer
 896                     PerlIO_isutf8
 897                     PerlIO_layer_fetch
 898                     PerlIO_list_free
 899                     PerlIO_modestr
 900                     PerlIO_parse_layers
 901                     PerlIO_pending
 902                     PerlIO_perlio
 903                     PerlIO_pop
 904                     PerlIO_push
 905                     PerlIO_sv_dup
 906                     Perl_PerlIO_clearerr
 907                     Perl_PerlIO_close
 908                     Perl_PerlIO_eof
 909                     Perl_PerlIO_error
 910                     Perl_PerlIO_fileno
 911                     Perl_PerlIO_fill
 912                     Perl_PerlIO_flush
 913                     Perl_PerlIO_get_base
 914                     Perl_PerlIO_get_bufsiz
 915                     Perl_PerlIO_get_cnt
 916                     Perl_PerlIO_get_ptr
 917                     Perl_PerlIO_read
 918                     Perl_PerlIO_seek
 919                     Perl_PerlIO_set_cnt
 920                     Perl_PerlIO_set_ptrcnt
 921                     Perl_PerlIO_setlinebuf
 922                     Perl_PerlIO_stderr
 923                     Perl_PerlIO_stdin
 924                     Perl_PerlIO_stdout
 925                     Perl_PerlIO_tell
 926                     Perl_PerlIO_unread
 927                     Perl_PerlIO_write
 928 );
 929 if ($PLATFORM eq 'netware') {
 930     push(@layer_syms,'PL_def_layerlist','PL_known_layers','PL_perlio');
 931 }
 932
 933 if ($define{'USE_PERLIO'}) {
 934     # Export the symols that make up the PerlIO abstraction, regardless
 935     # of its implementation - read from a file
 936     push @syms, $perlio_sym;
 937
 938     # This part is then dependent on how the abstraction is implemented
 939     if ($define{'USE_SFIO'}) {
 940         # Old legacy non-stdio "PerlIO"
 941         skip_symbols \@layer_syms;
 942         skip_symbols [qw(perlsio_binmode)];
 943         # SFIO defines most of the PerlIO routines as macros
 944         # So undo most of what $perlio_sym has just done - d'oh !
 945         # Perhaps it would be better to list the ones which do exist
 946         # And emit them
 947         skip_symbols [qw(
 948                          PerlIO_canset_cnt
 949                          PerlIO_clearerr
 950                          PerlIO_close
 951                          PerlIO_eof
 952                          PerlIO_error
 953                          PerlIO_exportFILE
 954                          PerlIO_fast_gets
 955                          PerlIO_fdopen
 956                          PerlIO_fileno
 957                          PerlIO_findFILE
 958                          PerlIO_flush
 959                          PerlIO_get_base
 960                          PerlIO_get_bufsiz
 961                          PerlIO_get_cnt
 962                          PerlIO_get_ptr
 963                          PerlIO_getc
 964                          PerlIO_getname
 965                          PerlIO_has_base
 966                          PerlIO_has_cntptr
 967                          PerlIO_importFILE
 968                          PerlIO_open
 969                          PerlIO_printf
 970                          PerlIO_putc
 971                          PerlIO_puts
 972                          PerlIO_read
 973                          PerlIO_releaseFILE
 974                          PerlIO_reopen
 975                          PerlIO_rewind
 976                          PerlIO_seek
 977                          PerlIO_set_cnt
 978                          PerlIO_set_ptrcnt
 979                          PerlIO_setlinebuf
 980                          PerlIO_sprintf
 981                          PerlIO_stderr
 982                          PerlIO_stdin
 983                          PerlIO_stdout
 984                          PerlIO_stdoutf
 985                          PerlIO_tell
 986                          PerlIO_ungetc
 987                          PerlIO_vprintf
 988                          PerlIO_write
 989                          PerlIO_perlio
 990                          Perl_PerlIO_clearerr
 991                          Perl_PerlIO_close
 992                          Perl_PerlIO_eof
 993                          Perl_PerlIO_error
 994                          Perl_PerlIO_fileno
 995                          Perl_PerlIO_fill
 996                          Perl_PerlIO_flush
 997                          Perl_PerlIO_get_base
 998                          Perl_PerlIO_get_bufsiz
 999                          Perl_PerlIO_get_cnt
1000                          Perl_PerlIO_get_ptr
1001                          Perl_PerlIO_read
1002                          Perl_PerlIO_seek
1003                          Perl_PerlIO_set_cnt
1004                          Perl_PerlIO_set_ptrcnt
1005                          Perl_PerlIO_setlinebuf
1006                          Perl_PerlIO_stderr
1007                          Perl_PerlIO_stdin
1008                          Perl_PerlIO_stdout
1009                          Perl_PerlIO_tell
1010                          Perl_PerlIO_unread
1011                          Perl_PerlIO_write
1012                          PL_def_layerlist
1013                          PL_known_layers
1014                          PL_perlio
1015                          )];
1016     }
1017     else {
1018         # PerlIO with layers - export implementation
1019         emit_symbols \@layer_syms;
1020         emit_symbols [qw(perlsio_binmode)];
1021     }
1022 } else {
1023         # -Uuseperlio
1024         # Skip the PerlIO layer symbols - although
1025         # nothing should have exported them any way
1026         skip_symbols \@layer_syms;
1027         skip_symbols [qw(perlsio_binmode)];
1028         skip_symbols [qw(PL_def_layerlist PL_known_layers PL_perlio)];
1029
1030         # Also do NOT add abstraction symbols from $perlio_sym
1031         # abstraction is done as #define to stdio
1032         # Remaining remnants that _may_ be functions
1033         # are handled in <DATA>
1034 }
1035
1036 for my $syms (@syms) {
1037     open (GLOBAL, "<$syms") || die "failed to open $syms: $!\n";
1038     while (<GLOBAL>) {
1039         next if (!/^[A-Za-z]/);
1040         # Functions have a Perl_ prefix
1041         # Variables have a PL_ prefix
1042         chomp($_);
1043         my $symbol = ($syms =~ /var\.sym$/i ? "PL_" : "");
1044         $symbol .= $_;
1045         emit_symbol($symbol) unless exists $skip{$symbol};
1046     }
1047     close(GLOBAL);
1048 }
1049
1050 # variables
1051
1052 if ($define{'MULTIPLICITY'}) {
1053     for my $f ($perlvars_h, $intrpvar_h, $thrdvar_h) {
1054         my $glob = readvar($f, sub { "Perl_" . $_[1] . $_[2] . "_ptr" });
1055         emit_symbols $glob;
1056     }
1057     # XXX AIX seems to want the perlvars.h symbols, for some reason
1058     if ($PLATFORM eq 'aix' or $PLATFORM eq 'os2') {     # OS/2 needs PL_thr_key
1059         my $glob = readvar($perlvars_h);
1060         emit_symbols $glob;
1061     }
1062 }
1063 else {
1064     unless ($define{'PERL_GLOBAL_STRUCT'}) {
1065         my $glob = readvar($perlvars_h);
1066         emit_symbols $glob;
1067     }
1068     unless ($define{'MULTIPLICITY'}) {
1069         my $glob = readvar($intrpvar_h);
1070         emit_symbols $glob;
1071     }
1072     unless ($define{'MULTIPLICITY'} || $define{'USE_5005THREADS'}) {
1073         my $glob = readvar($thrdvar_h);
1074         emit_symbols $glob;
1075     }
1076 }
1077
1078 sub try_symbol {
1079     my $symbol = shift;
1080
1081     return if $symbol !~ /^[A-Za-z_]/;
1082     return if $symbol =~ /^\#/;
1083     $symbol =~s/\r//g;
1084     chomp($symbol);
1085     return if exists $skip{$symbol};
1086     emit_symbol($symbol);
1087 }
1088
1089 while (<DATA>) {
1090     try_symbol($_);
1091 }
1092
1093 if ($PLATFORM =~ /^win(?:32|ce)$/) {
1094     foreach my $symbol (qw(
1095                             setuid
1096                             setgid
1097                             boot_DynaLoader
1098                             Perl_init_os_extras
1099                             Perl_thread_create
1100                             Perl_win32_init
1101                             Perl_win32_term
1102                             RunPerl
1103                             win32_async_check
1104                             win32_errno
1105                             win32_environ
1106                             win32_abort
1107                             win32_fstat
1108                             win32_stat
1109                             win32_pipe
1110                             win32_popen
1111                             win32_pclose
1112                             win32_rename
1113                             win32_setmode
1114                             win32_chsize
1115                             win32_lseek
1116                             win32_tell
1117                             win32_dup
1118                             win32_dup2
1119                             win32_open
1120                             win32_close
1121                             win32_eof
1122                             win32_read
1123                             win32_write
1124                             win32_spawnvp
1125                             win32_mkdir
1126                             win32_rmdir
1127                             win32_chdir
1128                             win32_flock
1129                             win32_execv
1130                             win32_execvp
1131                             win32_htons
1132                             win32_ntohs
1133                             win32_htonl
1134                             win32_ntohl
1135                             win32_inet_addr
1136                             win32_inet_ntoa
1137                             win32_socket
1138                             win32_bind
1139                             win32_listen
1140                             win32_accept
1141                             win32_connect
1142                             win32_send
1143                             win32_sendto
1144                             win32_recv
1145                             win32_recvfrom
1146                             win32_shutdown
1147                             win32_closesocket
1148                             win32_ioctlsocket
1149                             win32_setsockopt
1150                             win32_getsockopt
1151                             win32_getpeername
1152                             win32_getsockname
1153                             win32_gethostname
1154                             win32_gethostbyname
1155                             win32_gethostbyaddr
1156                             win32_getprotobyname
1157                             win32_getprotobynumber
1158                             win32_getservbyname
1159                             win32_getservbyport
1160                             win32_select
1161                             win32_endhostent
1162                             win32_endnetent
1163                             win32_endprotoent
1164                             win32_endservent
1165                             win32_getnetent
1166                             win32_getnetbyname
1167                             win32_getnetbyaddr
1168                             win32_getprotoent
1169                             win32_getservent
1170                             win32_sethostent
1171                             win32_setnetent
1172                             win32_setprotoent
1173                             win32_setservent
1174                             win32_getenv
1175                             win32_putenv
1176                             win32_perror
1177                             win32_malloc
1178                             win32_calloc
1179                             win32_realloc
1180                             win32_free
1181                             win32_sleep
1182                             win32_times
1183                             win32_access
1184                             win32_alarm
1185                             win32_chmod
1186                             win32_open_osfhandle
1187                             win32_get_osfhandle
1188                             win32_ioctl
1189                             win32_link
1190                             win32_unlink
1191                             win32_utime
1192                             win32_gettimeofday
1193                             win32_uname
1194                             win32_wait
1195                             win32_waitpid
1196                             win32_kill
1197                             win32_str_os_error
1198                             win32_opendir
1199                             win32_readdir
1200                             win32_telldir
1201                             win32_seekdir
1202                             win32_rewinddir
1203                             win32_closedir
1204                             win32_longpath
1205                             win32_os_id
1206                             win32_getpid
1207                             win32_crypt
1208                             win32_dynaload
1209                             win32_get_childenv
1210                             win32_free_childenv
1211                             win32_clearenv
1212                             win32_get_childdir
1213                             win32_free_childdir
1214                             win32_stdin
1215                             win32_stdout
1216                             win32_stderr
1217                             win32_ferror
1218                             win32_feof
1219                             win32_strerror
1220                             win32_fprintf
1221                             win32_printf
1222                             win32_vfprintf
1223                             win32_vprintf
1224                             win32_fread
1225                             win32_fwrite
1226                             win32_fopen
1227                             win32_fdopen
1228                             win32_freopen
1229                             win32_fclose
1230                             win32_fputs
1231                             win32_fputc
1232                             win32_ungetc
1233                             win32_getc
1234                             win32_fileno
1235                             win32_clearerr
1236                             win32_fflush
1237                             win32_ftell
1238                             win32_fseek
1239                             win32_fgetpos
1240                             win32_fsetpos
1241                             win32_rewind
1242                             win32_tmpfile
1243                             win32_setbuf
1244                             win32_setvbuf
1245                             win32_flushall
1246                             win32_fcloseall
1247                             win32_fgets
1248                             win32_gets
1249                             win32_fgetc
1250                             win32_putc
1251                             win32_puts
1252                             win32_getchar
1253                             win32_putchar
1254                            ))
1255     {
1256         try_symbol($symbol);
1257     }
1258     if ($CCTYPE eq "BORLAND") {
1259         try_symbol('_matherr');
1260     }
1261 }
1262 elsif ($PLATFORM eq 'os2') {
1263     open MAP, 'miniperl.map' or die 'Cannot read miniperl.map';
1264     /^\s*[\da-f:]+\s+(\w+)/i and $mapped{$1}++ foreach <MAP>;
1265     close MAP or die 'Cannot close miniperl.map';
1266
1267     @missing = grep { !exists $mapped{$_} }
1268                     keys %export;
1269     @missing = grep { !exists $exportperlmalloc{$_} } @missing;
1270     delete $export{$_} foreach @missing;
1271 }
1272 elsif ($PLATFORM eq 'MacOS') {
1273     open MACSYMS, 'macperl.sym' or die 'Cannot read macperl.sym';
1274
1275     while (<MACSYMS>) {
1276         try_symbol($_);
1277     }
1278
1279     close MACSYMS;
1280 }
1281 elsif ($PLATFORM eq 'netware') {
1282 foreach my $symbol (qw(
1283                         boot_DynaLoader
1284                         Perl_init_os_extras
1285                         Perl_thread_create
1286                         Perl_nw5_init
1287                         RunPerl
1288                         AllocStdPerl
1289                         FreeStdPerl
1290                         do_spawn2
1291                         do_aspawn
1292                         nw_uname
1293                         nw_stdin
1294                         nw_stdout
1295                         nw_stderr
1296                         nw_feof
1297                         nw_ferror
1298                         nw_fopen
1299                         nw_fclose
1300                         nw_clearerr
1301                         nw_getc
1302                         nw_fgets
1303                         nw_fputc
1304                         nw_fputs
1305                         nw_fflush
1306                         nw_ungetc
1307                         nw_fileno
1308                         nw_fdopen
1309                         nw_freopen
1310                         nw_fread
1311                         nw_fwrite
1312                         nw_setbuf
1313                         nw_setvbuf
1314                         nw_vfprintf
1315                         nw_ftell
1316                         nw_fseek
1317                         nw_rewind
1318                         nw_tmpfile
1319                         nw_fgetpos
1320                         nw_fsetpos
1321                         nw_dup
1322                         nw_access
1323                         nw_chmod
1324                         nw_chsize
1325                         nw_close
1326                         nw_dup2
1327                         nw_flock
1328                         nw_isatty
1329                         nw_link
1330                         nw_lseek
1331                         nw_stat
1332                         nw_mktemp
1333                         nw_open
1334                         nw_read
1335                         nw_rename
1336                         nw_setmode
1337                         nw_unlink
1338                         nw_utime
1339                         nw_write
1340                         nw_chdir
1341                         nw_rmdir
1342                         nw_closedir
1343                         nw_opendir
1344                         nw_readdir
1345                         nw_rewinddir
1346                         nw_seekdir
1347                         nw_telldir
1348                         nw_htonl
1349                         nw_htons
1350                         nw_ntohl
1351                         nw_ntohs
1352                         nw_accept
1353                         nw_bind
1354                         nw_connect
1355                         nw_endhostent
1356                         nw_endnetent
1357                         nw_endprotoent
1358                         nw_endservent
1359                         nw_gethostbyaddr
1360                         nw_gethostbyname
1361                         nw_gethostent
1362                         nw_gethostname
1363                         nw_getnetbyaddr
1364                         nw_getnetbyname
1365                         nw_getnetent
1366                         nw_getpeername
1367                         nw_getprotobyname
1368                         nw_getprotobynumber
1369                         nw_getprotoent
1370                         nw_getservbyname
1371                         nw_getservbyport
1372                         nw_getservent
1373                         nw_getsockname
1374                         nw_getsockopt
1375                         nw_inet_addr
1376                         nw_listen
1377                         nw_socket
1378                         nw_recv
1379                         nw_recvfrom
1380                         nw_select
1381                         nw_send
1382                         nw_sendto
1383                         nw_sethostent
1384                         nw_setnetent
1385                         nw_setprotoent
1386                         nw_setservent
1387                         nw_setsockopt
1388                         nw_inet_ntoa
1389                         nw_shutdown
1390                         nw_crypt
1391                         nw_execvp
1392                         nw_kill
1393                         nw_Popen
1394                         nw_Pclose
1395                         nw_Pipe
1396                         nw_times
1397                         nw_waitpid
1398                         nw_getpid
1399                         nw_spawnvp
1400                         nw_os_id
1401                         nw_open_osfhandle
1402                         nw_get_osfhandle
1403                         nw_abort
1404                         nw_sleep
1405                         nw_wait
1406                         nw_dynaload
1407                         nw_strerror
1408                         fnFpSetMode
1409                         fnInsertHashListAddrs
1410                         fnGetHashListAddrs
1411                         Perl_deb
1412                         Perl_sv_setsv
1413                         Perl_sv_catsv
1414                         Perl_sv_catpvn
1415                         Perl_sv_2pv
1416                         nw_freeenviron
1417                         Remove_Thread_Ctx
1418                            ))
1419     {
1420         try_symbol($symbol);
1421     }
1422 }
1423
1424 # records of type boot_module for statically linked modules (except Dynaloader)
1425 $static_ext =~ s/\//__/g;
1426 $static_ext =~ s/\bDynaLoader\b//;
1427 my @stat_mods = map {"boot_$_"} grep {/\S/} split /\s+/, $static_ext;
1428 foreach my $symbol (@stat_mods)
1429     {
1430         try_symbol($symbol);
1431     }
1432
1433 # Now all symbols should be defined because
1434 # next we are going to output them.
1435
1436 foreach my $symbol (sort keys %export) {
1437     output_symbol($symbol);
1438 }
1439
1440 if ($PLATFORM eq 'os2') {
1441         print <<EOP;
1442     dll_perlmain=main
1443     fill_extLibpath
1444     dir_subst
1445     Perl_OS2_handler_install
1446
1447 ; LAST_ORDINAL=$sym_ord
1448 EOP
1449 }
1450
1451 sub emit_symbol {
1452     my $symbol = shift;
1453     chomp($symbol);
1454     $export{$symbol} = 1;
1455 }
1456
1457 sub output_symbol {
1458     my $symbol = shift;
1459     if ($PLATFORM =~ /^win(?:32|ce)$/) {
1460         $symbol = "_$symbol" if $CCTYPE eq 'BORLAND';
1461         print "\t$symbol\n";
1462 # XXX: binary compatibility between compilers is an exercise
1463 # in frustration :-(
1464 #        if ($CCTYPE eq "BORLAND") {
1465 #           # workaround Borland quirk by exporting both the straight
1466 #           # name and a name with leading underscore.  Note the
1467 #           # alias *must* come after the symbol itself, if both
1468 #           # are to be exported. (Linker bug?)
1469 #           print "\t_$symbol\n";
1470 #           print "\t$symbol = _$symbol\n";
1471 #       }
1472 #       elsif ($CCTYPE eq 'GCC') {
1473 #           # Symbols have leading _ whole process is $%@"% slow
1474 #           # so skip aliases for now
1475 #           nprint "\t$symbol\n";
1476 #       }
1477 #       else {
1478 #           # for binary coexistence, export both the symbol and
1479 #           # alias with leading underscore
1480 #           print "\t$symbol\n";
1481 #           print "\t_$symbol = $symbol\n";
1482 #       }
1483     }
1484     elsif ($PLATFORM eq 'os2') {
1485         printf qq(    %-31s \@%s\n),
1486           qq("$symbol"), $ordinal{$symbol} || ++$sym_ord;
1487         printf qq(    %-31s \@%s\n),
1488           qq("$exportperlmalloc{$symbol}" = "$symbol"),
1489           $ordinal{$exportperlmalloc{$symbol}} || ++$sym_ord
1490           if $exportperlmalloc and exists $exportperlmalloc{$symbol};
1491     }
1492     elsif ($PLATFORM eq 'aix' || $PLATFORM eq 'MacOS') {
1493         print "$symbol\n";
1494     }
1495         elsif ($PLATFORM eq 'netware') {
1496         print "\t$symbol,\n";
1497         }
1498 }
1499
1500 1;
1501 __DATA__
1502 # extra globals not included above.
1503 Perl_cxinc
1504 perl_alloc
1505 perl_alloc_using
1506 perl_clone
1507 perl_clone_using
1508 perl_construct
1509 perl_destruct
1510 perl_free
1511 perl_parse
1512 perl_run
1513 # Oddities from PerlIO
1514 PerlIO_binmode
1515 PerlIO_getpos
1516 PerlIO_init
1517 PerlIO_setpos
1518 PerlIO_sprintf
1519 PerlIO_sv_dup
1520 PerlIO_tmpfile
1521 PerlIO_vsprintf