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 "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 $config = `$^X -Ilib -V`;
  49         my($options) = $config =~ /^  Compile-time options: (.*?)\n^  \S/ms;
  50         $options =~ s/\s+/ /g;
  51         print STDERR "Options: ($options)\n";
  52         foreach (split /\s+/, $options) {
  53                 $define{$_} = 1;
  54         }
  55 }
  56
  57 my %exportperlmalloc =
  58     (
  59        Perl_malloc              =>      "malloc",
  60        Perl_mfree               =>      "free",
  61        Perl_realloc             =>      "realloc",
  62        Perl_calloc              =>      "calloc",
  63     );
  64
  65 my $exportperlmalloc = $PLATFORM eq 'os2';
  66
  67 my $config_sh   = "config.sh";
  68 my $config_h    = "config.h";
  69 my $thrdvar_h   = "thrdvar.h";
  70 my $intrpvar_h  = "intrpvar.h";
  71 my $perlvars_h  = "perlvars.h";
  72 my $global_sym  = "global.sym";
  73 my $pp_sym      = "pp.sym";
  74 my $globvar_sym = "globvar.sym";
  75 my $perlio_sym  = "perlio.sym";
  76 my $static_ext = "";
  77
  78 if ($PLATFORM eq 'aix') {
  79     # Nothing for now.
  80 }
  81 elsif ($PLATFORM =~ /^win(?:32|ce)$/ || $PLATFORM eq 'netware') {
  82     $CCTYPE = "MSVC" unless defined $CCTYPE;
  83     foreach ($thrdvar_h, $intrpvar_h, $perlvars_h, $global_sym,
  84                 $pp_sym, $globvar_sym, $perlio_sym) {
  85         s!^!..\\!;
  86     }
  87 }
  88 elsif ($PLATFORM eq 'MacOS') {
  89     foreach ($thrdvar_h, $intrpvar_h, $perlvars_h, $global_sym,
  90                 $pp_sym, $globvar_sym, $perlio_sym) {
  91         s!^!::!;
  92     }
  93 }
  94
  95 unless ($PLATFORM eq 'win32' || $PLATFORM eq 'wince' || $PLATFORM eq 'MacOS' || $PLATFORM eq 'netware') {
  96     open(CFG,$config_sh) || die "Cannot open $config_sh: $!\n";
  97     while (<CFG>) {
  98         if (/^(?:ccflags|optimize)='(.+)'$/) {
  99             $_ = $1;
 100             $define{$1} = 1 while /-D(\w+)/g;
 101         }
 102         if ($PLATFORM eq 'os2') {
 103             $CONFIG_ARGS = $1 if /^config_args='(.+)'$/;
 104             $ARCHNAME =    $1 if /^archname='(.+)'$/;
 105             $PATCHLEVEL =  $1 if /^perl_patchlevel='(.+)'$/;
 106         }
 107     }
 108     close(CFG);
 109 }
 110 if ($PLATFORM eq 'win32' || $PLATFORM eq 'wince') {
 111     open(CFG,"<..\\$config_sh") || die "Cannot open ..\\$config_sh: $!\n";
 112     if ((join '', <CFG>) =~ /^static_ext='(.*)'$/m) {
 113         $static_ext = $1;
 114     }
 115     close(CFG);
 116 }
 117
 118 open(CFG,$config_h) || die "Cannot open $config_h: $!\n";
 119 while (<CFG>) {
 120     $define{$1} = 1 if /^\s*#\s*define\s+(MYMALLOC)\b/;
 121     $define{$1} = 1 if /^\s*#\s*define\s+(MULTIPLICITY)\b/;
 122     $define{$1} = 1 if /^\s*#\s*define\s+(PERL_\w+)\b/;
 123     $define{$1} = 1 if /^\s*#\s*define\s+(USE_\w+)\b/;
 124 }
 125 close(CFG);
 126
 127 # perl.h logic duplication begins
 128
 129 if ($define{PERL_IMPLICIT_SYS}) {
 130     $define{PL_OP_SLAB_ALLOC} = 1;
 131 }
 132
 133 if ($define{USE_ITHREADS}) {
 134     if (!$define{MULTIPLICITY}) {
 135         $define{MULTIPLICITY} = 1;
 136     }
 137 }
 138
 139 $define{PERL_IMPLICIT_CONTEXT} ||=
 140     $define{USE_ITHREADS} ||
 141     $define{USE_5005THREADS}  ||
 142     $define{MULTIPLICITY} ;
 143
 144 if ($define{USE_ITHREADS} && $PLATFORM ne 'win32' && $^O ne 'darwin') {
 145     $define{USE_REENTRANT_API} = 1;
 146 }
 147
 148 # perl.h logic duplication ends
 149
 150 my $sym_ord = 0;
 151
 152 print STDERR "Defines: (" . join(' ', sort keys %define) . ")\n";
 153
 154 if ($PLATFORM =~ /^win(?:32|ce)$/) {
 155     ($dll = ($define{PERL_DLL} || "perl58")) =~ s/\.dll$//i;
 156     print "LIBRARY $dll\n";
 157     print "DESCRIPTION 'Perl interpreter'\n";
 158     print "EXPORTS\n";
 159     if ($define{PERL_IMPLICIT_SYS}) {
 160         output_symbol("perl_get_host_info");
 161         output_symbol("perl_alloc_override");
 162     }
 163     if ($define{USE_ITHREADS} and $define{PERL_IMPLICIT_SYS}) {
 164         output_symbol("perl_clone_host");
 165     }
 166 }
 167 elsif ($PLATFORM eq 'os2') {
 168     if (open my $fh, '<', 'perl5.def') {
 169       while (<$fh>) {
 170         last if /^\s*EXPORTS\b/;
 171       }
 172       while (<$fh>) {
 173         $ordinal{$1} = $2 if /^\s*"(\w+)"\s*(?:=\s*"\w+"\s*)?\@(\d+)\s*$/;
 174         # This allows skipping ordinals which were used in older versions
 175         $sym_ord = $1 if /^\s*;\s*LAST_ORDINAL\s*=\s*(\d+)\s*$/;
 176       }
 177       $sym_ord < $_ and $sym_ord = $_ for values %ordinal; # Take the max
 178     }
 179     ($v = $]) =~ s/(\d\.\d\d\d)(\d\d)$/$1_$2/;
 180     $v .= '-thread' if $ARCHNAME =~ /-thread/;
 181     ($dll = $define{PERL_DLL}) =~ s/\.dll$//i;
 182     $v .= "\@$PATCHLEVEL" if $PATCHLEVEL;
 183     $d = "DESCRIPTION '\@#perl5-porters\@perl.org:$v#\@ Perl interpreter, configured as $CONFIG_ARGS'";
 184     $d = substr($d, 0, 249) . "...'" if length $d > 253;
 185     print <<"---EOP---";
 186 LIBRARY '$dll' INITINSTANCE TERMINSTANCE
 187 $d
 188 STACKSIZE 32768
 189 CODE LOADONCALL
 190 DATA LOADONCALL NONSHARED MULTIPLE
 191 EXPORTS
 192 ---EOP---
 193 }
 194 elsif ($PLATFORM eq 'aix') {
 195     $OSVER = `uname -v`;
 196     chop $OSVER;
 197     $OSREL = `uname -r`;
 198     chop $OSREL;
 199     if ($OSVER > 4 || ($OSVER == 4 && $OSREL >= 3)) {
 200         print "#! ..\n";
 201     } else {
 202         print "#!\n";
 203     }
 204 }
 205 elsif ($PLATFORM eq 'netware') {
 206         if ($FILETYPE eq 'def') {
 207         print "LIBRARY perl58\n";
 208         print "DESCRIPTION 'Perl interpreter for NetWare'\n";
 209         print "EXPORTS\n";
 210         }
 211         if ($define{PERL_IMPLICIT_SYS}) {
 212             output_symbol("perl_get_host_info");
 213             output_symbol("perl_alloc_override");
 214             output_symbol("perl_clone_host");
 215         }
 216 }
 217
 218 my %skip;
 219 my %export;
 220
 221 sub skip_symbols {
 222     my $list = shift;
 223     foreach my $symbol (@$list) {
 224         $skip{$symbol} = 1;
 225     }
 226 }
 227
 228 sub emit_symbols {
 229     my $list = shift;
 230     foreach my $symbol (@$list) {
 231         my $skipsym = $symbol;
 232         # XXX hack
 233         if ($define{MULTIPLICITY}) {
 234             $skipsym =~ s/^Perl_[GIT](\w+)_ptr$/PL_$1/;
 235         }
 236         emit_symbol($symbol) unless exists $skip{$skipsym};
 237     }
 238 }
 239
 240 if ($PLATFORM eq 'win32') {
 241     skip_symbols [qw(
 242                      PL_statusvalue_vms
 243                      PL_archpat_auto
 244                      PL_cryptseen
 245                      PL_DBcv
 246                      PL_generation
 247                      PL_lastgotoprobe
 248                      PL_linestart
 249                      PL_modcount
 250                      PL_pending_ident
 251                      PL_sublex_info
 252                      PL_timesbuf
 253                      main
 254                      Perl_ErrorNo
 255                      Perl_GetVars
 256                      Perl_do_exec3
 257                      Perl_do_ipcctl
 258                      Perl_do_ipcget
 259                      Perl_do_msgrcv
 260                      Perl_do_msgsnd
 261                      Perl_do_semop
 262                      Perl_do_shmio
 263                      Perl_dump_fds
 264                      Perl_init_thread_intern
 265                      Perl_my_bzero
 266                      Perl_my_bcopy
 267                      Perl_my_htonl
 268                      Perl_my_ntohl
 269                      Perl_my_swap
 270                      Perl_my_chsize
 271                      Perl_same_dirent
 272                      Perl_setenv_getix
 273                      Perl_unlnk
 274                      Perl_watch
 275                      Perl_safexcalloc
 276                      Perl_safexmalloc
 277                      Perl_safexfree
 278                      Perl_safexrealloc
 279                      Perl_my_memcmp
 280                      Perl_my_memset
 281                      PL_cshlen
 282                      PL_cshname
 283                      PL_opsave
 284                      Perl_do_exec
 285                      Perl_getenv_len
 286                      Perl_my_pclose
 287                      Perl_my_popen
 288                      Perl_my_sprintf
 289                      )];
 290 }
 291 else {
 292     skip_symbols [qw(
 293                      Perl_do_spawn
 294                      Perl_do_spawn_nowait
 295                      Perl_do_aspawn
 296                      )];
 297 }
 298 if ($PLATFORM eq 'wince') {
 299     skip_symbols [qw(
 300                      PL_statusvalue_vms
 301                      PL_archpat_auto
 302                      PL_cryptseen
 303                      PL_DBcv
 304                      PL_generation
 305                      PL_lastgotoprobe
 306                      PL_linestart
 307                      PL_modcount
 308                      PL_pending_ident
 309                      PL_sublex_info
 310                      PL_timesbuf
 311                      PL_collation_ix
 312                      PL_collation_name
 313                      PL_collation_standard
 314                      PL_collxfrm_base
 315                      PL_collxfrm_mult
 316                      PL_numeric_compat1
 317                      PL_numeric_local
 318                      PL_numeric_name
 319                      PL_numeric_radix_sv
 320                      PL_numeric_standard
 321                      PL_vtbl_collxfrm
 322                      Perl_sv_collxfrm
 323                      setgid
 324                      setuid
 325                      win32_free_childdir
 326                      win32_free_childenv
 327                      win32_get_childdir
 328                      win32_get_childenv
 329                      win32_spawnvp
 330                      main
 331                      Perl_ErrorNo
 332                      Perl_GetVars
 333                      Perl_do_exec3
 334                      Perl_do_ipcctl
 335                      Perl_do_ipcget
 336                      Perl_do_msgrcv
 337                      Perl_do_msgsnd
 338                      Perl_do_semop
 339                      Perl_do_shmio
 340                      Perl_dump_fds
 341                      Perl_init_thread_intern
 342                      Perl_my_bzero
 343                      Perl_my_bcopy
 344                      Perl_my_htonl
 345                      Perl_my_ntohl
 346                      Perl_my_swap
 347                      Perl_my_chsize
 348                      Perl_same_dirent
 349                      Perl_setenv_getix
 350                      Perl_unlnk
 351                      Perl_watch
 352                      Perl_safexcalloc
 353                      Perl_safexmalloc
 354                      Perl_safexfree
 355                      Perl_safexrealloc
 356                      Perl_my_memcmp
 357                      Perl_my_memset
 358                      PL_cshlen
 359                      PL_cshname
 360                      PL_opsave
 361                      Perl_do_exec
 362                      Perl_getenv_len
 363                      Perl_my_pclose
 364                      Perl_my_popen
 365                      Perl_my_sprintf
 366                      )];
 367 }
 368 elsif ($PLATFORM eq 'aix') {
 369     skip_symbols([qw(
 370                      Perl_dump_fds
 371                      Perl_ErrorNo
 372                      Perl_GetVars
 373                      Perl_my_bcopy
 374                      Perl_my_bzero
 375                      Perl_my_chsize
 376                      Perl_my_htonl
 377                      Perl_my_memcmp
 378                      Perl_my_memset
 379                      Perl_my_ntohl
 380                      Perl_my_swap
 381                      Perl_safexcalloc
 382                      Perl_safexfree
 383                      Perl_safexmalloc
 384                      Perl_safexrealloc
 385                      Perl_same_dirent
 386                      Perl_unlnk
 387                      Perl_sys_intern_clear
 388                      Perl_sys_intern_dup
 389                      Perl_sys_intern_init
 390                      PL_cryptseen
 391                      PL_opsave
 392                      PL_statusvalue_vms
 393                      PL_sys_intern
 394                      )]);
 395 }
 396 elsif ($PLATFORM eq 'os2') {
 397     emit_symbols([qw(
 398                     ctermid
 399                     get_sysinfo
 400                     Perl_OS2_init
 401                     Perl_OS2_init3
 402                     Perl_OS2_term
 403                     OS2_Perl_data
 404                     dlopen
 405                     dlsym
 406                     dlerror
 407                     dlclose
 408                     dup2
 409                     dup
 410                     my_tmpfile
 411                     my_tmpnam
 412                     my_flock
 413                     my_rmdir
 414                     my_mkdir
 415                     my_getpwuid
 416                     my_getpwnam
 417                     my_getpwent
 418                     my_setpwent
 419                     my_endpwent
 420                     fork_with_resources
 421                     croak_with_os2error
 422                     setgrent
 423                     endgrent
 424                     getgrent
 425                     malloc_mutex
 426                     threads_mutex
 427                     nthreads
 428                     nthreads_cond
 429                     os2_cond_wait
 430                     os2_stat
 431                     os2_execname
 432                     async_mssleep
 433                     msCounter
 434                     InfoTable
 435                     pthread_join
 436                     pthread_create
 437                     pthread_detach
 438                     XS_Cwd_change_drive
 439                     XS_Cwd_current_drive
 440                     XS_Cwd_extLibpath
 441                     XS_Cwd_extLibpath_set
 442                     XS_Cwd_sys_abspath
 443                     XS_Cwd_sys_chdir
 444                     XS_Cwd_sys_cwd
 445                     XS_Cwd_sys_is_absolute
 446                     XS_Cwd_sys_is_relative
 447                     XS_Cwd_sys_is_rooted
 448                     XS_DynaLoader_mod2fname
 449                     XS_File__Copy_syscopy
 450                     Perl_Register_MQ
 451                     Perl_Deregister_MQ
 452                     Perl_Serve_Messages
 453                     Perl_Process_Messages
 454                     init_PMWIN_entries
 455                     PMWIN_entries
 456                     Perl_hab_GET
 457                     loadByOrdinal
 458                     pExtFCN
 459                     os2error
 460                     ResetWinError
 461                     CroakWinError
 462                     PL_do_undump
 463                     )]);
 464     emit_symbols([qw(os2_cond_wait
 465                      pthread_join
 466                      pthread_create
 467                      pthread_detach
 468                     )])
 469       if $define{'USE_5005THREADS'} or $define{'USE_ITHREADS'};
 470 }
 471 elsif ($PLATFORM eq 'MacOS') {
 472     skip_symbols [qw(
 473                     Perl_GetVars
 474                     PL_cryptseen
 475                     PL_cshlen
 476                     PL_cshname
 477                     PL_statusvalue_vms
 478                     PL_sys_intern
 479                     PL_opsave
 480                     PL_timesbuf
 481                     Perl_dump_fds
 482                     Perl_my_bcopy
 483                     Perl_my_bzero
 484                     Perl_my_chsize
 485                     Perl_my_htonl
 486                     Perl_my_memcmp
 487                     Perl_my_memset
 488                     Perl_my_ntohl
 489                     Perl_my_swap
 490                     Perl_safexcalloc
 491                     Perl_safexfree
 492                     Perl_safexmalloc
 493                     Perl_safexrealloc
 494                     Perl_unlnk
 495                     Perl_sys_intern_clear
 496                     Perl_sys_intern_init
 497                     )];
 498 }
 499 elsif ($PLATFORM eq 'netware') {
 500         skip_symbols [qw(
 501                         PL_statusvalue_vms
 502                         PL_archpat_auto
 503                         PL_cryptseen
 504                         PL_DBcv
 505                         PL_generation
 506                         PL_lastgotoprobe
 507                         PL_linestart
 508                         PL_modcount
 509                         PL_pending_ident
 510                         PL_sublex_info
 511                         PL_timesbuf
 512                         main
 513                         Perl_ErrorNo
 514                         Perl_GetVars
 515                         Perl_do_exec3
 516                         Perl_do_ipcctl
 517                         Perl_do_ipcget
 518                         Perl_do_msgrcv
 519                         Perl_do_msgsnd
 520                         Perl_do_semop
 521                         Perl_do_shmio
 522                         Perl_dump_fds
 523                         Perl_init_thread_intern
 524                         Perl_my_bzero
 525                         Perl_my_htonl
 526                         Perl_my_ntohl
 527                         Perl_my_swap
 528                         Perl_my_chsize
 529                         Perl_same_dirent
 530                         Perl_setenv_getix
 531                         Perl_unlnk
 532                         Perl_watch
 533                         Perl_safexcalloc
 534                         Perl_safexmalloc
 535                         Perl_safexfree
 536                         Perl_safexrealloc
 537                         Perl_my_memcmp
 538                         Perl_my_memset
 539                         PL_cshlen
 540                         PL_cshname
 541                         PL_opsave
 542                         Perl_do_exec
 543                         Perl_getenv_len
 544                         Perl_my_pclose
 545                         Perl_my_popen
 546                         Perl_sys_intern_init
 547                         Perl_sys_intern_dup
 548                         Perl_sys_intern_clear
 549                         Perl_my_bcopy
 550                         Perl_PerlIO_write
 551                         Perl_PerlIO_unread
 552                         Perl_PerlIO_tell
 553                         Perl_PerlIO_stdout
 554                         Perl_PerlIO_stdin
 555                         Perl_PerlIO_stderr
 556                         Perl_PerlIO_setlinebuf
 557                         Perl_PerlIO_set_ptrcnt
 558                         Perl_PerlIO_set_cnt
 559                         Perl_PerlIO_seek
 560                         Perl_PerlIO_read
 561                         Perl_PerlIO_get_ptr
 562                         Perl_PerlIO_get_cnt
 563                         Perl_PerlIO_get_bufsiz
 564                         Perl_PerlIO_get_base
 565                         Perl_PerlIO_flush
 566                         Perl_PerlIO_fill
 567                         Perl_PerlIO_fileno
 568                         Perl_PerlIO_error
 569                         Perl_PerlIO_eof
 570                         Perl_PerlIO_close
 571                         Perl_PerlIO_clearerr
 572                         PerlIO_perlio
 573                         )];
 574 }
 575
 576 unless ($define{'DEBUGGING'}) {
 577     skip_symbols [qw(
 578                     Perl_deb_growlevel
 579                     Perl_debop
 580                     Perl_debprofdump
 581                     Perl_debstack
 582                     Perl_debstackptrs
 583                     Perl_sv_peek
 584                     Perl_hv_assert
 585                     PL_block_type
 586                     PL_watchaddr
 587                     PL_watchok
 588                     )];
 589 }
 590
 591 if ($define{'PERL_IMPLICIT_CONTEXT'}) {
 592     skip_symbols [qw(
 593                     PL_sig_sv
 594                     )];
 595 }
 596
 597 if ($define{'PERL_IMPLICIT_SYS'}) {
 598     skip_symbols [qw(
 599                     Perl_getenv_len
 600                     Perl_my_popen
 601                     Perl_my_pclose
 602                     )];
 603 }
 604 else {
 605     skip_symbols [qw(
 606                     PL_Mem
 607                     PL_MemShared
 608                     PL_MemParse
 609                     PL_Env
 610                     PL_StdIO
 611                     PL_LIO
 612                     PL_Dir
 613                     PL_Sock
 614                     PL_Proc
 615                     )];
 616 }
 617
 618 unless ($define{'PERL_FLEXIBLE_EXCEPTIONS'}) {
 619     skip_symbols [qw(
 620                     PL_protect
 621                     Perl_default_protect
 622                     Perl_vdefault_protect
 623                     )];
 624 }
 625
 626 unless ($define{'USE_REENTRANT_API'}) {
 627     skip_symbols [qw(
 628                     PL_reentrant_buffer
 629                     )];
 630 }
 631
 632 if ($define{'MYMALLOC'}) {
 633     emit_symbols [qw(
 634                     Perl_dump_mstats
 635                     Perl_get_mstats
 636                     Perl_strdup
 637                     Perl_putenv
 638                     MallocCfg_ptr
 639                     MallocCfgP_ptr
 640                     )];
 641     if ($define{'USE_5005THREADS'} || $define{'USE_ITHREADS'}) {
 642         emit_symbols [qw(
 643                         PL_malloc_mutex
 644                         )];
 645     }
 646     else {
 647         skip_symbols [qw(
 648                         PL_malloc_mutex
 649                         )];
 650     }
 651 }
 652 else {
 653     skip_symbols [qw(
 654                     PL_malloc_mutex
 655                     Perl_dump_mstats
 656                     Perl_get_mstats
 657                     Perl_malloced_size
 658                     MallocCfg_ptr
 659                     MallocCfgP_ptr
 660                     )];
 661 }
 662
 663 if ($define{'PERL_USE_SAFE_PUTENV'}) {
 664     skip_symbols [qw(
 665                    PL_use_safe_putenv
 666                   )];
 667 }
 668
 669 unless ($define{'USE_5005THREADS'} || $define{'USE_ITHREADS'}) {
 670     skip_symbols [qw(
 671                     PL_thr_key
 672                     )];
 673 }
 674
 675 unless ($define{'USE_5005THREADS'}) {
 676     skip_symbols [qw(
 677                     PL_sv_mutex
 678                     PL_strtab_mutex
 679                     PL_svref_mutex
 680                     PL_cred_mutex
 681                     PL_eval_mutex
 682                     PL_fdpid_mutex
 683                     PL_sv_lock_mutex
 684                     PL_eval_cond
 685                     PL_eval_owner
 686                     PL_threads_mutex
 687                     PL_nthreads
 688                     PL_nthreads_cond
 689                     PL_threadnum
 690                     PL_threadsv_names
 691                     PL_thrsv
 692                     PL_vtbl_mutex
 693                     Perl_condpair_magic
 694                     Perl_new_struct_thread
 695                     Perl_per_thread_magicals
 696                     Perl_thread_create
 697                     Perl_find_threadsv
 698                     Perl_unlock_condpair
 699                     Perl_magic_mutexfree
 700                     Perl_sv_lock
 701                     )];
 702 }
 703
 704 unless ($define{'USE_ITHREADS'}) {
 705     skip_symbols [qw(
 706                     PL_ptr_table
 707                     PL_pte_root
 708                     PL_pte_arenaroot
 709                     PL_op_mutex
 710                     PL_regex_pad
 711                     PL_regex_padav
 712                     PL_sharedsv_space
 713                     PL_sharedsv_space_mutex
 714                     PL_dollarzero_mutex
 715                     Perl_dirp_dup
 716                     Perl_cx_dup
 717                     Perl_si_dup
 718                     Perl_any_dup
 719                     Perl_ss_dup
 720                     Perl_fp_dup
 721                     Perl_gp_dup
 722                     Perl_he_dup
 723                     Perl_mg_dup
 724                     Perl_re_dup
 725                     Perl_sv_dup
 726                     Perl_rvpv_dup
 727                     Perl_sys_intern_dup
 728                     Perl_ptr_table_clear
 729                     Perl_ptr_table_fetch
 730                     Perl_ptr_table_free
 731                     Perl_ptr_table_new
 732                     Perl_ptr_table_clear
 733                     Perl_ptr_table_free
 734                     Perl_ptr_table_split
 735                     Perl_ptr_table_store
 736                     perl_clone
 737                     perl_clone_using
 738                     Perl_sharedsv_find
 739                     Perl_sharedsv_init
 740                     Perl_sharedsv_lock
 741                     Perl_sharedsv_new
 742                     Perl_sharedsv_thrcnt_dec
 743                     Perl_sharedsv_thrcnt_inc
 744                     Perl_sharedsv_unlock
 745                     Perl_stashpv_hvname_match
 746                     )];
 747 }
 748
 749 unless ($define{'PERL_IMPLICIT_CONTEXT'}) {
 750     skip_symbols [qw(
 751                     Perl_croak_nocontext
 752                     Perl_die_nocontext
 753                     Perl_deb_nocontext
 754                     Perl_form_nocontext
 755                     Perl_load_module_nocontext
 756                     Perl_mess_nocontext
 757                     Perl_warn_nocontext
 758                     Perl_warner_nocontext
 759                     Perl_newSVpvf_nocontext
 760                     Perl_sv_catpvf_nocontext
 761                     Perl_sv_setpvf_nocontext
 762                     Perl_sv_catpvf_mg_nocontext
 763                     Perl_sv_setpvf_mg_nocontext
 764                     )];
 765 }
 766
 767 unless ($define{'PERL_IMPLICIT_SYS'}) {
 768     skip_symbols [qw(
 769                     perl_alloc_using
 770                     perl_clone_using
 771                     )];
 772 }
 773
 774 unless ($define{'FAKE_THREADS'}) {
 775     skip_symbols [qw(PL_curthr)];
 776 }
 777
 778 unless ($define{'PL_OP_SLAB_ALLOC'}) {
 779     skip_symbols [qw(
 780                      PL_OpPtr
 781                      PL_OpSlab
 782                      PL_OpSpace
 783                      Perl_Slab_Alloc
 784                      Perl_Slab_Free
 785                     )];
 786 }
 787
 788 unless ($define{'THREADS_HAVE_PIDS'}) {
 789     skip_symbols [qw(PL_ppid)];
 790 }
 791
 792 unless ($define{'DEBUG_LEAKING_SCALARS_FORK_DUMP'}) {
 793     skip_symbols [qw(
 794                     PL_dumper_fd
 795                     )];
 796 }
 797 unless ($define{'PERL_DONT_CREATE_GVSV'}) {
 798     skip_symbols [qw(
 799                      Perl_gv_SVadd
 800                     )];
 801 }
 802 if ($define{'SPRINTF_RETURNS_STRLEN'}) {
 803     skip_symbols [qw(
 804                      Perl_my_sprintf
 805                     )];
 806 }
 807
 808 # Ideally this would also check SA_SIGINFO, but there doesn't seem to be an
 809 # easy way to find that out from here. Fix it if it breaks because there is
 810 # a platform where the logic here doesn't work, *and* the export lists have to
 811 # be accurate there.
 812 unless ($define{'d_sigaction'}) {
 813     skip_symbols [qw(
 814                     Perl_csighandler_va
 815                     )];
 816 }
 817
 818 sub readvar {
 819     my $file = shift;
 820     my $proc = shift || sub { "PL_$_[2]" };
 821     open(VARS,$file) || die "Cannot open $file: $!\n";
 822     my @syms;
 823     while (<VARS>) {
 824         # All symbols have a Perl_ prefix because that's what embed.h
 825         # sticks in front of them.
 826         push(@syms, &$proc($1,$2,$3)) if (/\bPERLVAR(A?I?C?)\(([IGT])(\w+)/);
 827     }
 828     close(VARS);
 829     return \@syms;
 830 }
 831
 832 if ($define{'USE_5005THREADS'}) {
 833     my $thrd = readvar($thrdvar_h);
 834     skip_symbols $thrd;
 835 }
 836
 837 if ($define{'PERL_GLOBAL_STRUCT'}) {
 838     my $global = readvar($perlvars_h);
 839     skip_symbols $global;
 840     emit_symbol('Perl_GetVars');
 841     emit_symbols [qw(PL_Vars PL_VarsPtr)] unless $CCTYPE eq 'GCC';
 842 }
 843
 844 # functions from *.sym files
 845
 846 my @syms = ($global_sym, $globvar_sym); # $pp_sym is not part of the API
 847
 848 # Symbols that are the public face of the PerlIO layers implementation
 849 # These are in _addition to_ the public face of the abstraction
 850 # and need to be exported to allow XS modules to implement layers
 851 my @layer_syms = qw(
 852                     PerlIOBase_binmode
 853                     PerlIOBase_clearerr
 854                     PerlIOBase_close
 855                     PerlIOBase_dup
 856                     PerlIOBase_eof
 857                     PerlIOBase_error
 858                     PerlIOBase_fileno
 859                     PerlIOBase_noop_fail
 860                     PerlIOBase_noop_ok
 861                     PerlIOBase_popped
 862                     PerlIOBase_pushed
 863                     PerlIOBase_read
 864                     PerlIOBase_setlinebuf
 865                     PerlIOBase_unread
 866                     PerlIOBuf_bufsiz
 867                     PerlIOBuf_close
 868                     PerlIOBuf_dup
 869                     PerlIOBuf_fill
 870                     PerlIOBuf_flush
 871                     PerlIOBuf_get_base
 872                     PerlIOBuf_get_cnt
 873                     PerlIOBuf_get_ptr
 874                     PerlIOBuf_open
 875                     PerlIOBuf_popped
 876                     PerlIOBuf_pushed
 877                     PerlIOBuf_read
 878                     PerlIOBuf_seek
 879                     PerlIOBuf_set_ptrcnt
 880                     PerlIOBuf_tell
 881                     PerlIOBuf_unread
 882                     PerlIOBuf_write
 883                     PerlIO_allocate
 884                     PerlIO_apply_layera
 885                     PerlIO_apply_layers
 886                     PerlIO_arg_fetch
 887                     PerlIO_debug
 888                     PerlIO_define_layer
 889                     PerlIO_isutf8
 890                     PerlIO_layer_fetch
 891                     PerlIO_list_free
 892                     PerlIO_modestr
 893                     PerlIO_parse_layers
 894                     PerlIO_pending
 895                     PerlIO_perlio
 896                     PerlIO_pop
 897                     PerlIO_push
 898                     PerlIO_sv_dup
 899                     Perl_PerlIO_clearerr
 900                     Perl_PerlIO_close
 901                     Perl_PerlIO_eof
 902                     Perl_PerlIO_error
 903                     Perl_PerlIO_fileno
 904                     Perl_PerlIO_fill
 905                     Perl_PerlIO_flush
 906                     Perl_PerlIO_get_base
 907                     Perl_PerlIO_get_bufsiz
 908                     Perl_PerlIO_get_cnt
 909                     Perl_PerlIO_get_ptr
 910                     Perl_PerlIO_read
 911                     Perl_PerlIO_seek
 912                     Perl_PerlIO_set_cnt
 913                     Perl_PerlIO_set_ptrcnt
 914                     Perl_PerlIO_setlinebuf
 915                     Perl_PerlIO_stderr
 916                     Perl_PerlIO_stdin
 917                     Perl_PerlIO_stdout
 918                     Perl_PerlIO_tell
 919                     Perl_PerlIO_unread
 920                     Perl_PerlIO_write
 921 );
 922 if ($PLATFORM eq 'netware') {
 923     push(@layer_syms,'PL_def_layerlist','PL_known_layers','PL_perlio');
 924 }
 925
 926 if ($define{'USE_PERLIO'}) {
 927     # Export the symols that make up the PerlIO abstraction, regardless
 928     # of its implementation - read from a file
 929     push @syms, $perlio_sym;
 930
 931     # This part is then dependent on how the abstraction is implemented
 932     if ($define{'USE_SFIO'}) {
 933         # Old legacy non-stdio "PerlIO"
 934         skip_symbols \@layer_syms;
 935         skip_symbols [qw(perlsio_binmode)];
 936         # SFIO defines most of the PerlIO routines as macros
 937         # So undo most of what $perlio_sym has just done - d'oh !
 938         # Perhaps it would be better to list the ones which do exist
 939         # And emit them
 940         skip_symbols [qw(
 941                          PerlIO_canset_cnt
 942                          PerlIO_clearerr
 943                          PerlIO_close
 944                          PerlIO_eof
 945                          PerlIO_error
 946                          PerlIO_exportFILE
 947                          PerlIO_fast_gets
 948                          PerlIO_fdopen
 949                          PerlIO_fileno
 950                          PerlIO_findFILE
 951                          PerlIO_flush
 952                          PerlIO_get_base
 953                          PerlIO_get_bufsiz
 954                          PerlIO_get_cnt
 955                          PerlIO_get_ptr
 956                          PerlIO_getc
 957                          PerlIO_getname
 958                          PerlIO_has_base
 959                          PerlIO_has_cntptr
 960                          PerlIO_importFILE
 961                          PerlIO_open
 962                          PerlIO_printf
 963                          PerlIO_putc
 964                          PerlIO_puts
 965                          PerlIO_read
 966                          PerlIO_releaseFILE
 967                          PerlIO_reopen
 968                          PerlIO_rewind
 969                          PerlIO_seek
 970                          PerlIO_set_cnt
 971                          PerlIO_set_ptrcnt
 972                          PerlIO_setlinebuf
 973                          PerlIO_sprintf
 974                          PerlIO_stderr
 975                          PerlIO_stdin
 976                          PerlIO_stdout
 977                          PerlIO_stdoutf
 978                          PerlIO_tell
 979                          PerlIO_ungetc
 980                          PerlIO_vprintf
 981                          PerlIO_write
 982                          PerlIO_perlio
 983                          Perl_PerlIO_clearerr
 984                          Perl_PerlIO_close
 985                          Perl_PerlIO_eof
 986                          Perl_PerlIO_error
 987                          Perl_PerlIO_fileno
 988                          Perl_PerlIO_fill
 989                          Perl_PerlIO_flush
 990                          Perl_PerlIO_get_base
 991                          Perl_PerlIO_get_bufsiz
 992                          Perl_PerlIO_get_cnt
 993                          Perl_PerlIO_get_ptr
 994                          Perl_PerlIO_read
 995                          Perl_PerlIO_seek
 996                          Perl_PerlIO_set_cnt
 997                          Perl_PerlIO_set_ptrcnt
 998                          Perl_PerlIO_setlinebuf
 999                          Perl_PerlIO_stderr
1000                          Perl_PerlIO_stdin
1001                          Perl_PerlIO_stdout
1002                          Perl_PerlIO_tell
1003                          Perl_PerlIO_unread
1004                          Perl_PerlIO_write
1005                          PL_def_layerlist
1006                          PL_known_layers
1007                          PL_perlio
1008                          )];
1009     }
1010     else {
1011         # PerlIO with layers - export implementation
1012         emit_symbols \@layer_syms;
1013         emit_symbols [qw(perlsio_binmode)];
1014     }
1015 } else {
1016         # -Uuseperlio
1017         # Skip the PerlIO layer symbols - although
1018         # nothing should have exported them any way
1019         skip_symbols \@layer_syms;
1020         skip_symbols [qw(perlsio_binmode)];
1021         skip_symbols [qw(PL_def_layerlist PL_known_layers PL_perlio)];
1022
1023         # Also do NOT add abstraction symbols from $perlio_sym
1024         # abstraction is done as #define to stdio
1025         # Remaining remnants that _may_ be functions
1026         # are handled in <DATA>
1027 }
1028
1029 for my $syms (@syms) {
1030     open (GLOBAL, "<$syms") || die "failed to open $syms: $!\n";
1031     while (<GLOBAL>) {
1032         next if (!/^[A-Za-z]/);
1033         # Functions have a Perl_ prefix
1034         # Variables have a PL_ prefix
1035         chomp($_);
1036         my $symbol = ($syms =~ /var\.sym$/i ? "PL_" : "");
1037         $symbol .= $_;
1038         emit_symbol($symbol) unless exists $skip{$symbol};
1039     }
1040     close(GLOBAL);
1041 }
1042
1043 # variables
1044
1045 if ($define{'MULTIPLICITY'}) {
1046     for my $f ($perlvars_h, $intrpvar_h, $thrdvar_h) {
1047         my $glob = readvar($f, sub { "Perl_" . $_[1] . $_[2] . "_ptr" });
1048         emit_symbols $glob;
1049     }
1050     # XXX AIX seems to want the perlvars.h symbols, for some reason
1051     if ($PLATFORM eq 'aix' or $PLATFORM eq 'os2') {     # OS/2 needs PL_thr_key
1052         my $glob = readvar($perlvars_h);
1053         emit_symbols $glob;
1054     }
1055 }
1056 else {
1057     unless ($define{'PERL_GLOBAL_STRUCT'}) {
1058         my $glob = readvar($perlvars_h);
1059         emit_symbols $glob;
1060     }
1061     unless ($define{'MULTIPLICITY'}) {
1062         my $glob = readvar($intrpvar_h);
1063         emit_symbols $glob;
1064     }
1065     unless ($define{'MULTIPLICITY'} || $define{'USE_5005THREADS'}) {
1066         my $glob = readvar($thrdvar_h);
1067         emit_symbols $glob;
1068     }
1069 }
1070
1071 sub try_symbol {
1072     my $symbol = shift;
1073
1074     return if $symbol !~ /^[A-Za-z_]/;
1075     return if $symbol =~ /^\#/;
1076     $symbol =~s/\r//g;
1077     chomp($symbol);
1078     return if exists $skip{$symbol};
1079     emit_symbol($symbol);
1080 }
1081
1082 while (<DATA>) {
1083     try_symbol($_);
1084 }
1085
1086 if ($PLATFORM =~ /^win(?:32|ce)$/) {
1087     foreach my $symbol (qw(
1088                             setuid
1089                             setgid
1090                             boot_DynaLoader
1091                             Perl_init_os_extras
1092                             Perl_thread_create
1093                             Perl_win32_init
1094                             Perl_win32_term
1095                             RunPerl
1096                             win32_async_check
1097                             win32_errno
1098                             win32_environ
1099                             win32_abort
1100                             win32_fstat
1101                             win32_stat
1102                             win32_pipe
1103                             win32_popen
1104                             win32_pclose
1105                             win32_rename
1106                             win32_setmode
1107                             win32_chsize
1108                             win32_lseek
1109                             win32_tell
1110                             win32_dup
1111                             win32_dup2
1112                             win32_open
1113                             win32_close
1114                             win32_eof
1115                             win32_read
1116                             win32_write
1117                             win32_spawnvp
1118                             win32_mkdir
1119                             win32_rmdir
1120                             win32_chdir
1121                             win32_flock
1122                             win32_execv
1123                             win32_execvp
1124                             win32_htons
1125                             win32_ntohs
1126                             win32_htonl
1127                             win32_ntohl
1128                             win32_inet_addr
1129                             win32_inet_ntoa
1130                             win32_socket
1131                             win32_bind
1132                             win32_listen
1133                             win32_accept
1134                             win32_connect
1135                             win32_send
1136                             win32_sendto
1137                             win32_recv
1138                             win32_recvfrom
1139                             win32_shutdown
1140                             win32_closesocket
1141                             win32_ioctlsocket
1142                             win32_setsockopt
1143                             win32_getsockopt
1144                             win32_getpeername
1145                             win32_getsockname
1146                             win32_gethostname
1147                             win32_gethostbyname
1148                             win32_gethostbyaddr
1149                             win32_getprotobyname
1150                             win32_getprotobynumber
1151                             win32_getservbyname
1152                             win32_getservbyport
1153                             win32_select
1154                             win32_endhostent
1155                             win32_endnetent
1156                             win32_endprotoent
1157                             win32_endservent
1158                             win32_getnetent
1159                             win32_getnetbyname
1160                             win32_getnetbyaddr
1161                             win32_getprotoent
1162                             win32_getservent
1163                             win32_sethostent
1164                             win32_setnetent
1165                             win32_setprotoent
1166                             win32_setservent
1167                             win32_getenv
1168                             win32_putenv
1169                             win32_perror
1170                             win32_malloc
1171                             win32_calloc
1172                             win32_realloc
1173                             win32_free
1174                             win32_sleep
1175                             win32_times
1176                             win32_access
1177                             win32_alarm
1178                             win32_chmod
1179                             win32_open_osfhandle
1180                             win32_get_osfhandle
1181                             win32_ioctl
1182                             win32_link
1183                             win32_unlink
1184                             win32_utime
1185                             win32_gettimeofday
1186                             win32_uname
1187                             win32_wait
1188                             win32_waitpid
1189                             win32_kill
1190                             win32_str_os_error
1191                             win32_opendir
1192                             win32_readdir
1193                             win32_telldir
1194                             win32_seekdir
1195                             win32_rewinddir
1196                             win32_closedir
1197                             win32_longpath
1198                             win32_os_id
1199                             win32_getpid
1200                             win32_crypt
1201                             win32_dynaload
1202                             win32_get_childenv
1203                             win32_free_childenv
1204                             win32_clearenv
1205                             win32_get_childdir
1206                             win32_free_childdir
1207                             win32_stdin
1208                             win32_stdout
1209                             win32_stderr
1210                             win32_ferror
1211                             win32_feof
1212                             win32_strerror
1213                             win32_fprintf
1214                             win32_printf
1215                             win32_vfprintf
1216                             win32_vprintf
1217                             win32_fread
1218                             win32_fwrite
1219                             win32_fopen
1220                             win32_fdopen
1221                             win32_freopen
1222                             win32_fclose
1223                             win32_fputs
1224                             win32_fputc
1225                             win32_ungetc
1226                             win32_getc
1227                             win32_fileno
1228                             win32_clearerr
1229                             win32_fflush
1230                             win32_ftell
1231                             win32_fseek
1232                             win32_fgetpos
1233                             win32_fsetpos
1234                             win32_rewind
1235                             win32_tmpfile
1236                             win32_setbuf
1237                             win32_setvbuf
1238                             win32_flushall
1239                             win32_fcloseall
1240                             win32_fgets
1241                             win32_gets
1242                             win32_fgetc
1243                             win32_putc
1244                             win32_puts
1245                             win32_getchar
1246                             win32_putchar
1247                            ))
1248     {
1249         try_symbol($symbol);
1250     }
1251     if ($CCTYPE eq "BORLAND") {
1252         try_symbol('_matherr');
1253     }
1254 }
1255 elsif ($PLATFORM eq 'os2') {
1256     open MAP, 'miniperl.map' or die 'Cannot read miniperl.map';
1257     /^\s*[\da-f:]+\s+(\w+)/i and $mapped{$1}++ foreach <MAP>;
1258     close MAP or die 'Cannot close miniperl.map';
1259
1260     @missing = grep { !exists $mapped{$_} }
1261                     keys %export;
1262     @missing = grep { !exists $exportperlmalloc{$_} } @missing;
1263     delete $export{$_} foreach @missing;
1264 }
1265 elsif ($PLATFORM eq 'MacOS') {
1266     open MACSYMS, 'macperl.sym' or die 'Cannot read macperl.sym';
1267
1268     while (<MACSYMS>) {
1269         try_symbol($_);
1270     }
1271
1272     close MACSYMS;
1273 }
1274 elsif ($PLATFORM eq 'netware') {
1275 foreach my $symbol (qw(
1276                         boot_DynaLoader
1277                         Perl_init_os_extras
1278                         Perl_thread_create
1279                         Perl_nw5_init
1280                         RunPerl
1281                         AllocStdPerl
1282                         FreeStdPerl
1283                         do_spawn2
1284                         do_aspawn
1285                         nw_uname
1286                         nw_stdin
1287                         nw_stdout
1288                         nw_stderr
1289                         nw_feof
1290                         nw_ferror
1291                         nw_fopen
1292                         nw_fclose
1293                         nw_clearerr
1294                         nw_getc
1295                         nw_fgets
1296                         nw_fputc
1297                         nw_fputs
1298                         nw_fflush
1299                         nw_ungetc
1300                         nw_fileno
1301                         nw_fdopen
1302                         nw_freopen
1303                         nw_fread
1304                         nw_fwrite
1305                         nw_setbuf
1306                         nw_setvbuf
1307                         nw_vfprintf
1308                         nw_ftell
1309                         nw_fseek
1310                         nw_rewind
1311                         nw_tmpfile
1312                         nw_fgetpos
1313                         nw_fsetpos
1314                         nw_dup
1315                         nw_access
1316                         nw_chmod
1317                         nw_chsize
1318                         nw_close
1319                         nw_dup2
1320                         nw_flock
1321                         nw_isatty
1322                         nw_link
1323                         nw_lseek
1324                         nw_stat
1325                         nw_mktemp
1326                         nw_open
1327                         nw_read
1328                         nw_rename
1329                         nw_setmode
1330                         nw_unlink
1331                         nw_utime
1332                         nw_write
1333                         nw_chdir
1334                         nw_rmdir
1335                         nw_closedir
1336                         nw_opendir
1337                         nw_readdir
1338                         nw_rewinddir
1339                         nw_seekdir
1340                         nw_telldir
1341                         nw_htonl
1342                         nw_htons
1343                         nw_ntohl
1344                         nw_ntohs
1345                         nw_accept
1346                         nw_bind
1347                         nw_connect
1348                         nw_endhostent
1349                         nw_endnetent
1350                         nw_endprotoent
1351                         nw_endservent
1352                         nw_gethostbyaddr
1353                         nw_gethostbyname
1354                         nw_gethostent
1355                         nw_gethostname
1356                         nw_getnetbyaddr
1357                         nw_getnetbyname
1358                         nw_getnetent
1359                         nw_getpeername
1360                         nw_getprotobyname
1361                         nw_getprotobynumber
1362                         nw_getprotoent
1363                         nw_getservbyname
1364                         nw_getservbyport
1365                         nw_getservent
1366                         nw_getsockname
1367                         nw_getsockopt
1368                         nw_inet_addr
1369                         nw_listen
1370                         nw_socket
1371                         nw_recv
1372                         nw_recvfrom
1373                         nw_select
1374                         nw_send
1375                         nw_sendto
1376                         nw_sethostent
1377                         nw_setnetent
1378                         nw_setprotoent
1379                         nw_setservent
1380                         nw_setsockopt
1381                         nw_inet_ntoa
1382                         nw_shutdown
1383                         nw_crypt
1384                         nw_execvp
1385                         nw_kill
1386                         nw_Popen
1387                         nw_Pclose
1388                         nw_Pipe
1389                         nw_times
1390                         nw_waitpid
1391                         nw_getpid
1392                         nw_spawnvp
1393                         nw_os_id
1394                         nw_open_osfhandle
1395                         nw_get_osfhandle
1396                         nw_abort
1397                         nw_sleep
1398                         nw_wait
1399                         nw_dynaload
1400                         nw_strerror
1401                         fnFpSetMode
1402                         fnInsertHashListAddrs
1403                         fnGetHashListAddrs
1404                         Perl_deb
1405                         Perl_sv_setsv
1406                         Perl_sv_catsv
1407                         Perl_sv_catpvn
1408                         Perl_sv_2pv
1409                         nw_freeenviron
1410                         Remove_Thread_Ctx
1411                            ))
1412     {
1413         try_symbol($symbol);
1414     }
1415 }
1416
1417 # records of type boot_module for statically linked modules (except Dynaloader)
1418 $static_ext =~ s/\//__/g;
1419 $static_ext =~ s/\bDynaLoader\b//;
1420 my @stat_mods = map {"boot_$_"} grep {/\S/} split /\s+/, $static_ext;
1421 foreach my $symbol (@stat_mods)
1422     {
1423         try_symbol($symbol);
1424     }
1425
1426 # Now all symbols should be defined because
1427 # next we are going to output them.
1428
1429 foreach my $symbol (sort keys %export) {
1430     output_symbol($symbol);
1431 }
1432
1433 if ($PLATFORM eq 'os2') {
1434         print <<EOP;
1435     dll_perlmain=main
1436     fill_extLibpath
1437     dir_subst
1438     Perl_OS2_handler_install
1439
1440 ; LAST_ORDINAL=$sym_ord
1441 EOP
1442 }
1443
1444 sub emit_symbol {
1445     my $symbol = shift;
1446     chomp($symbol);
1447     $export{$symbol} = 1;
1448 }
1449
1450 sub output_symbol {
1451     my $symbol = shift;
1452     if ($PLATFORM =~ /^win(?:32|ce)$/) {
1453         $symbol = "_$symbol" if $CCTYPE eq 'BORLAND';
1454         print "\t$symbol\n";
1455 # XXX: binary compatibility between compilers is an exercise
1456 # in frustration :-(
1457 #        if ($CCTYPE eq "BORLAND") {
1458 #           # workaround Borland quirk by exporting both the straight
1459 #           # name and a name with leading underscore.  Note the
1460 #           # alias *must* come after the symbol itself, if both
1461 #           # are to be exported. (Linker bug?)
1462 #           print "\t_$symbol\n";
1463 #           print "\t$symbol = _$symbol\n";
1464 #       }
1465 #       elsif ($CCTYPE eq 'GCC') {
1466 #           # Symbols have leading _ whole process is $%@"% slow
1467 #           # so skip aliases for now
1468 #           nprint "\t$symbol\n";
1469 #       }
1470 #       else {
1471 #           # for binary coexistence, export both the symbol and
1472 #           # alias with leading underscore
1473 #           print "\t$symbol\n";
1474 #           print "\t_$symbol = $symbol\n";
1475 #       }
1476     }
1477     elsif ($PLATFORM eq 'os2') {
1478         printf qq(    %-31s \@%s\n),
1479           qq("$symbol"), $ordinal{$symbol} || ++$sym_ord;
1480         printf qq(    %-31s \@%s\n),
1481           qq("$exportperlmalloc{$symbol}" = "$symbol"),
1482           $ordinal{$exportperlmalloc{$symbol}} || ++$sym_ord
1483           if $exportperlmalloc and exists $exportperlmalloc{$symbol};
1484     }
1485     elsif ($PLATFORM eq 'aix' || $PLATFORM eq 'MacOS') {
1486         print "$symbol\n";
1487     }
1488         elsif ($PLATFORM eq 'netware') {
1489         print "\t$symbol,\n";
1490         }
1491 }
1492
1493 1;
1494 __DATA__
1495 # extra globals not included above.
1496 Perl_cxinc
1497 perl_alloc
1498 perl_alloc_using
1499 perl_clone
1500 perl_clone_using
1501 perl_construct
1502 perl_destruct
1503 perl_free
1504 perl_parse
1505 perl_run
1506 # Oddities from PerlIO
1507 PerlIO_binmode
1508 PerlIO_getpos
1509 PerlIO_init
1510 PerlIO_setpos
1511 PerlIO_sprintf
1512 PerlIO_sv_dup
1513 PerlIO_tmpfile
1514 PerlIO_vsprintf