makedef.pl

   1 #
   2 # Create the export list for perl.
   3 #
   4 # Needed by WIN32 and OS/2 for creating perl.dll,
   5 # and by AIX for creating libperl.a when -Dusershrplib is in effect,
   6 # and by MacOS Classic.
   7 #
   8 # reads global.sym, pp.sym, perlvars.h, intrpvar.h, thrdvar.h, config.h
   9 # On OS/2 reads miniperl.map and the previous version of perl5.def as well
  10
  11 my $PLATFORM;
  12 my $CCTYPE;
  13
  14 while (@ARGV) {
  15     my $flag = shift;
  16     if ($flag =~ s/^CC_FLAGS=/ /) {
  17         for my $fflag ($flag =~ /(?:^|\s)-D(\S+)/g) {
  18             $fflag     .= '=1' unless $fflag =~ /^(\w+)=/;
  19             $define{$1} = $2   if $fflag =~ /^(\w+)=(.+)$/;
  20         }
  21         next;
  22     }
  23     $define{$1} = 1 if ($flag =~ /^-D(\w+)$/);
  24     $define{$1} = $2 if ($flag =~ /^-D(\w+)=(.+)$/);
  25     $CCTYPE   = $1 if ($flag =~ /^CCTYPE=(\w+)$/);
  26     $PLATFORM = $1 if ($flag =~ /^PLATFORM=(\w+)$/);
  27     if ($PLATFORM eq 'netware') {
  28         $FILETYPE = $1 if ($flag =~ /^FILETYPE=(\w+)$/);
  29     }
  30 }
  31
  32 my @PLATFORM = qw(aix win32 wince os2 MacOS netware);
  33 my %PLATFORM;
  34 @PLATFORM{@PLATFORM} = ();
  35
  36 defined $PLATFORM || die "PLATFORM undefined, must be one of: @PLATFORM\n";
  37 exists $PLATFORM{$PLATFORM} || die "PLATFORM must be one of: @PLATFORM\n";
  38
  39 if ($PLATFORM eq 'win32' or $PLATFORM eq 'wince' or $PLATFORM eq "aix") {
  40         # Add the compile-time options that miniperl was built with to %define.
  41         # On Win32 these are not the same options as perl itself will be built
  42         # with since miniperl is built with a canned config (one of the win32/
  43         # config_H.*) and none of the BUILDOPT's that are set in the makefiles,
  44         # but they do include some #define's that are hard-coded in various
  45         # source files and header files and don't include any BUILDOPT's that
  46         # the user might have chosen to disable because the canned configs are
  47         # minimal configs that don't include any of those options.
  48         my $opts = ($PLATFORM eq 'wince' ? '-MCross' : ''); # for wince need Cross.pm to get Config.pm
  49         my $config = `$^X $opts -Ilib -V`;
  50         my($options) = $config =~ /^  Compile-time options: (.*?)\n^  \S/ms;
  51         $options =~ s/\s+/ /g;
  52         print STDERR "Options: ($options)\n";
  53         foreach (split /\s+/, $options) {
  54                 $define{$_} = 1;
  55         }
  56 }
  57
  58 my %exportperlmalloc =
  59     (
  60        Perl_malloc              =>      "malloc",
  61        Perl_mfree               =>      "free",
  62        Perl_realloc             =>      "realloc",
  63        Perl_calloc              =>      "calloc",
  64     );
  65
  66 my $exportperlmalloc = $PLATFORM eq 'os2';
  67
  68 my $config_sh   = "config.sh";
  69 my $config_h    = "config.h";
  70 my $thrdvar_h   = "thrdvar.h";
  71 my $intrpvar_h  = "intrpvar.h";
  72 my $perlvars_h  = "perlvars.h";
  73 my $global_sym  = "global.sym";
  74 my $pp_sym      = "pp.sym";
  75 my $globvar_sym = "globvar.sym";
  76 my $perlio_sym  = "perlio.sym";
  77 my $static_ext = "";
  78
  79 if ($PLATFORM eq 'aix') {
  80     # Nothing for now.
  81 }
  82 elsif ($PLATFORM =~ /^win(?:32|ce)$/ || $PLATFORM eq 'netware') {
  83     $CCTYPE = "MSVC" unless defined $CCTYPE;
  84     foreach ($thrdvar_h, $intrpvar_h, $perlvars_h, $global_sym,
  85              $pp_sym, $globvar_sym, $perlio_sym) {
  86         s!^!..\\!;
  87     }
  88 }
  89 elsif ($PLATFORM eq 'MacOS') {
  90     foreach ($thrdvar_h, $intrpvar_h, $perlvars_h, $global_sym,
  91              $pp_sym, $globvar_sym, $perlio_sym) {
  92         s!^!::!;
  93     }
  94 }
  95
  96 unless ($PLATFORM eq 'win32' || $PLATFORM eq 'wince' || $PLATFORM eq 'MacOS' || $PLATFORM eq 'netware') {
  97     open(CFG,$config_sh) || die "Cannot open $config_sh: $!\n";
  98     while (<CFG>) {
  99         if (/^(?:ccflags|optimize)='(.+)'$/) {
 100             $_ = $1;
 101             $define{$1} = 1 while /-D(\w+)/g;
 102         }
 103         if (/^(d_(?:mmap|sigaction))='(.+)'$/) {
 104             $define{$1} = $2;
 105         }
 106         if ($PLATFORM eq 'os2') {
 107             $CONFIG_ARGS = $1 if /^config_args='(.+)'$/;
 108             $ARCHNAME =    $1 if /^archname='(.+)'$/;
 109             $PATCHLEVEL =  $1 if /^perl_patchlevel='(.+)'$/;
 110         }
 111     }
 112     close(CFG);
 113 }
 114 if ($PLATFORM eq 'win32' || $PLATFORM eq 'wince') {
 115     open(CFG,"<..\\$config_sh") || die "Cannot open ..\\$config_sh: $!\n";
 116     if ((join '', <CFG>) =~ /^static_ext='(.*)'$/m) {
 117         $static_ext = $1;
 118     }
 119     close(CFG);
 120 }
 121
 122 open(CFG,$config_h) || die "Cannot open $config_h: $!\n";
 123 while (<CFG>) {
 124     $define{$1} = 1 if /^\s*#\s*define\s+(MYMALLOC)\b/;
 125     $define{$1} = 1 if /^\s*#\s*define\s+(MULTIPLICITY)\b/;
 126     $define{$1} = 1 if /^\s*#\s*define\s+(PERL_\w+)\b/;
 127     $define{$1} = 1 if /^\s*#\s*define\s+(USE_\w+)\b/;
 128 }
 129 close(CFG);
 130
 131 # perl.h logic duplication begins
 132
 133 if ($define{PERL_IMPLICIT_SYS}) {
 134     $define{PL_OP_SLAB_ALLOC} = 1;
 135 }
 136
 137 if ($define{USE_ITHREADS}) {
 138     if (!$define{MULTIPLICITY}) {
 139         $define{MULTIPLICITY} = 1;
 140     }
 141 }
 142
 143 $define{PERL_IMPLICIT_CONTEXT} ||=
 144     $define{USE_ITHREADS} ||
 145     $define{MULTIPLICITY} ;
 146
 147 if ($define{USE_ITHREADS} && $PLATFORM ne 'win32' && $^O ne 'darwin') {
 148     $define{USE_REENTRANT_API} = 1;
 149 }
 150
 151 # perl.h logic duplication ends
 152
 153 my $sym_ord = 0;
 154
 155 print STDERR "Defines: (" . join(' ', sort keys %define) . ")\n";
 156
 157 if ($PLATFORM =~ /^win(?:32|ce)$/) {
 158     ($dll = ($define{PERL_DLL} || "perl59")) =~ s/\.dll$//i;
 159     print "LIBRARY $dll\n";
 160     print "DESCRIPTION 'Perl interpreter'\n";
 161     print "EXPORTS\n";
 162     if ($define{PERL_IMPLICIT_SYS}) {
 163         output_symbol("perl_get_host_info");
 164         output_symbol("perl_alloc_override");
 165     }
 166     if ($define{USE_ITHREADS} and $define{PERL_IMPLICIT_SYS}) {
 167         output_symbol("perl_clone_host");
 168     }
 169 }
 170 elsif ($PLATFORM eq 'os2') {
 171     if (open my $fh, '<', 'perl5.def') {
 172       while (<$fh>) {
 173         last if /^\s*EXPORTS\b/;
 174       }
 175       while (<$fh>) {
 176         $ordinal{$1} = $2 if /^\s*"(\w+)"\s*(?:=\s*"\w+"\s*)?\@(\d+)\s*$/;
 177         # This allows skipping ordinals which were used in older versions
 178         $sym_ord = $1 if /^\s*;\s*LAST_ORDINAL\s*=\s*(\d+)\s*$/;
 179       }
 180       $sym_ord < $_ and $sym_ord = $_ for values %ordinal; # Take the max
 181     }
 182     ($v = $]) =~ s/(\d\.\d\d\d)(\d\d)$/$1_$2/;
 183     $v .= '-thread' if $ARCHNAME =~ /-thread/;
 184     ($dll = $define{PERL_DLL}) =~ s/\.dll$//i;
 185     $v .= "\@$PATCHLEVEL" if $PATCHLEVEL;
 186     $d = "DESCRIPTION '\@#perl5-porters\@perl.org:$v#\@ Perl interpreter, configured as $CONFIG_ARGS'";
 187     $d = substr($d, 0, 249) . "...'" if length $d > 253;
 188     print <<"---EOP---";
 189 LIBRARY '$dll' INITINSTANCE TERMINSTANCE
 190 $d
 191 STACKSIZE 32768
 192 CODE LOADONCALL
 193 DATA LOADONCALL NONSHARED MULTIPLE
 194 EXPORTS
 195 ---EOP---
 196 }
 197 elsif ($PLATFORM eq 'aix') {
 198     $OSVER = `uname -v`;
 199     chop $OSVER;
 200     $OSREL = `uname -r`;
 201     chop $OSREL;
 202     if ($OSVER > 4 || ($OSVER == 4 && $OSREL >= 3)) {
 203         print "#! ..\n";
 204     } else {
 205         print "#!\n";
 206     }
 207 }
 208 elsif ($PLATFORM eq 'netware') {
 209         if ($FILETYPE eq 'def') {
 210         print "LIBRARY perl59\n";
 211         print "DESCRIPTION 'Perl interpreter for NetWare'\n";
 212         print "EXPORTS\n";
 213         }
 214         if ($define{PERL_IMPLICIT_SYS}) {
 215             output_symbol("perl_get_host_info");
 216             output_symbol("perl_alloc_override");
 217             output_symbol("perl_clone_host");
 218         }
 219 }
 220
 221 my %skip;
 222 my %export;
 223
 224 sub skip_symbols {
 225     my $list = shift;
 226     foreach my $symbol (@$list) {
 227         $skip{$symbol} = 1;
 228     }
 229 }
 230
 231 sub emit_symbols {
 232     my $list = shift;
 233     foreach my $symbol (@$list) {
 234         my $skipsym = $symbol;
 235         # XXX hack
 236         if ($define{MULTIPLICITY}) {
 237             $skipsym =~ s/^Perl_[GIT](\w+)_ptr$/PL_$1/;
 238         }
 239         emit_symbol($symbol) unless exists $skip{$skipsym};
 240     }
 241 }
 242
 243 if ($PLATFORM eq 'win32') {
 244     skip_symbols [qw(
 245                      PL_statusvalue_vms
 246                      PL_archpat_auto
 247                      PL_cryptseen
 248                      PL_DBcv
 249                      PL_generation
 250                      PL_lastgotoprobe
 251                      PL_linestart
 252                      PL_modcount
 253                      PL_pending_ident
 254                      PL_sublex_info
 255                      PL_timesbuf
 256                      main
 257                      Perl_ErrorNo
 258                      Perl_GetVars
 259                      Perl_do_exec3
 260                      Perl_do_ipcctl
 261                      Perl_do_ipcget
 262                      Perl_do_msgrcv
 263                      Perl_do_msgsnd
 264                      Perl_do_semop
 265                      Perl_do_shmio
 266                      Perl_dump_fds
 267                      Perl_init_thread_intern
 268                      Perl_my_bzero
 269                      Perl_my_bcopy
 270                      Perl_my_htonl
 271                      Perl_my_ntohl
 272                      Perl_my_swap
 273                      Perl_my_chsize
 274                      Perl_same_dirent
 275                      Perl_setenv_getix
 276                      Perl_unlnk
 277                      Perl_watch
 278                      Perl_safexcalloc
 279                      Perl_safexmalloc
 280                      Perl_safexfree
 281                      Perl_safexrealloc
 282                      Perl_my_memcmp
 283                      Perl_my_memset
 284                      PL_cshlen
 285                      PL_cshname
 286                      PL_opsave
 287                      Perl_do_exec
 288                      Perl_getenv_len
 289                      Perl_my_pclose
 290                      Perl_my_popen
 291                      Perl_my_sprintf
 292                      )];
 293 }
 294 else {
 295     skip_symbols [qw(
 296                      Perl_do_spawn
 297                      Perl_do_spawn_nowait
 298                      Perl_do_aspawn
 299                      )];
 300 }
 301 if ($PLATFORM eq 'wince') {
 302     skip_symbols [qw(
 303                      PL_statusvalue_vms
 304                      PL_archpat_auto
 305                      PL_cryptseen
 306                      PL_DBcv
 307                      PL_generation
 308                      PL_lastgotoprobe
 309                      PL_linestart
 310                      PL_modcount
 311                      PL_pending_ident
 312                      PL_sublex_info
 313                      PL_timesbuf
 314                      PL_collation_ix
 315                      PL_collation_name
 316                      PL_collation_standard
 317                      PL_collxfrm_base
 318                      PL_collxfrm_mult
 319                      PL_numeric_compat1
 320                      PL_numeric_local
 321                      PL_numeric_name
 322                      PL_numeric_radix_sv
 323                      PL_numeric_standard
 324                      PL_vtbl_collxfrm
 325                      Perl_sv_collxfrm
 326                      setgid
 327                      setuid
 328                      win32_free_childdir
 329                      win32_free_childenv
 330                      win32_get_childdir
 331                      win32_get_childenv
 332                      win32_spawnvp
 333                      main
 334                      Perl_ErrorNo
 335                      Perl_GetVars
 336                      Perl_do_exec3
 337                      Perl_do_ipcctl
 338                      Perl_do_ipcget
 339                      Perl_do_msgrcv
 340                      Perl_do_msgsnd
 341                      Perl_do_semop
 342                      Perl_do_shmio
 343                      Perl_dump_fds
 344                      Perl_init_thread_intern
 345                      Perl_my_bzero
 346                      Perl_my_bcopy
 347                      Perl_my_htonl
 348                      Perl_my_ntohl
 349                      Perl_my_swap
 350                      Perl_my_chsize
 351                      Perl_same_dirent
 352                      Perl_setenv_getix
 353                      Perl_unlnk
 354                      Perl_watch
 355                      Perl_safexcalloc
 356                      Perl_safexmalloc
 357                      Perl_safexfree
 358                      Perl_safexrealloc
 359                      Perl_my_memcmp
 360                      Perl_my_memset
 361                      PL_cshlen
 362                      PL_cshname
 363                      PL_opsave
 364                      Perl_do_exec
 365                      Perl_getenv_len
 366                      Perl_my_pclose
 367                      Perl_my_popen
 368                      Perl_my_sprintf
 369                      )];
 370 }
 371 elsif ($PLATFORM eq 'aix') {
 372     skip_symbols([qw(
 373                      Perl_dump_fds
 374                      Perl_ErrorNo
 375                      Perl_GetVars
 376                      Perl_my_bcopy
 377                      Perl_my_bzero
 378                      Perl_my_chsize
 379                      Perl_my_htonl
 380                      Perl_my_memcmp
 381                      Perl_my_memset
 382                      Perl_my_ntohl
 383                      Perl_my_swap
 384                      Perl_safexcalloc
 385                      Perl_safexfree
 386                      Perl_safexmalloc
 387                      Perl_safexrealloc
 388                      Perl_same_dirent
 389                      Perl_unlnk
 390                      Perl_sys_intern_clear
 391                      Perl_sys_intern_dup
 392                      Perl_sys_intern_init
 393                      PL_cryptseen
 394                      PL_opsave
 395                      PL_statusvalue_vms
 396                      PL_sys_intern
 397                      )]);
 398 }
 399 elsif ($PLATFORM eq 'os2') {
 400     emit_symbols([qw(
 401                     ctermid
 402                     get_sysinfo
 403                     Perl_OS2_init
 404                     Perl_OS2_init3
 405                     Perl_OS2_term
 406                     OS2_Perl_data
 407                     dlopen
 408                     dlsym
 409                     dlerror
 410                     dlclose
 411                     dup2
 412                     dup
 413                     my_tmpfile
 414                     my_tmpnam
 415                     my_flock
 416                     my_rmdir
 417                     my_mkdir
 418                     my_getpwuid
 419                     my_getpwnam
 420                     my_getpwent
 421                     my_setpwent
 422                     my_endpwent
 423                     fork_with_resources
 424                     croak_with_os2error
 425                     setgrent
 426                     endgrent
 427                     getgrent
 428                     malloc_mutex
 429                     threads_mutex
 430                     nthreads
 431                     nthreads_cond
 432                     os2_cond_wait
 433                     os2_stat
 434                     os2_execname
 435                     async_mssleep
 436                     msCounter
 437                     InfoTable
 438                     pthread_join
 439                     pthread_create
 440                     pthread_detach
 441                     XS_Cwd_change_drive
 442                     XS_Cwd_current_drive
 443                     XS_Cwd_extLibpath
 444                     XS_Cwd_extLibpath_set
 445                     XS_Cwd_sys_abspath
 446                     XS_Cwd_sys_chdir
 447                     XS_Cwd_sys_cwd
 448                     XS_Cwd_sys_is_absolute
 449                     XS_Cwd_sys_is_relative
 450                     XS_Cwd_sys_is_rooted
 451                     XS_DynaLoader_mod2fname
 452                     XS_File__Copy_syscopy
 453                     Perl_Register_MQ
 454                     Perl_Deregister_MQ
 455                     Perl_Serve_Messages
 456                     Perl_Process_Messages
 457                     init_PMWIN_entries
 458                     PMWIN_entries
 459                     Perl_hab_GET
 460                     loadByOrdinal
 461                     pExtFCN
 462                     os2error
 463                     ResetWinError
 464                     CroakWinError
 465                     PL_do_undump
 466                     )]);
 467     emit_symbols([qw(os2_cond_wait
 468                      pthread_join
 469                      pthread_create
 470                      pthread_detach
 471                     )])
 472       if $define{'USE_5005THREADS'} or $define{'USE_ITHREADS'};
 473 }
 474 elsif ($PLATFORM eq 'MacOS') {
 475     skip_symbols [qw(
 476                     Perl_GetVars
 477                     PL_cryptseen
 478                     PL_cshlen
 479                     PL_cshname
 480                     PL_statusvalue_vms
 481                     PL_sys_intern
 482                     PL_opsave
 483                     PL_timesbuf
 484                     Perl_dump_fds
 485                     Perl_my_bcopy
 486                     Perl_my_bzero
 487                     Perl_my_chsize
 488                     Perl_my_htonl
 489                     Perl_my_memcmp
 490                     Perl_my_memset
 491                     Perl_my_ntohl
 492                     Perl_my_swap
 493                     Perl_safexcalloc
 494                     Perl_safexfree
 495                     Perl_safexmalloc
 496                     Perl_safexrealloc
 497                     Perl_unlnk
 498                     Perl_sys_intern_clear
 499                     Perl_sys_intern_init
 500                     )];
 501 }
 502 elsif ($PLATFORM eq 'netware') {
 503         skip_symbols [qw(
 504                         PL_statusvalue_vms
 505                         PL_archpat_auto
 506                         PL_cryptseen
 507                         PL_DBcv
 508                         PL_generation
 509                         PL_lastgotoprobe
 510                         PL_linestart
 511                         PL_modcount
 512                         PL_pending_ident
 513                         PL_sublex_info
 514                         PL_timesbuf
 515                         main
 516                         Perl_ErrorNo
 517                         Perl_GetVars
 518                         Perl_do_exec3
 519                         Perl_do_ipcctl
 520                         Perl_do_ipcget
 521                         Perl_do_msgrcv
 522                         Perl_do_msgsnd
 523                         Perl_do_semop
 524                         Perl_do_shmio
 525                         Perl_dump_fds
 526                         Perl_init_thread_intern
 527                         Perl_my_bzero
 528                         Perl_my_htonl
 529                         Perl_my_ntohl
 530                         Perl_my_swap
 531                         Perl_my_chsize
 532                         Perl_same_dirent
 533                         Perl_setenv_getix
 534                         Perl_unlnk
 535                         Perl_watch
 536                         Perl_safexcalloc
 537                         Perl_safexmalloc
 538                         Perl_safexfree
 539                         Perl_safexrealloc
 540                         Perl_my_memcmp
 541                         Perl_my_memset
 542                         PL_cshlen
 543                         PL_cshname
 544                         PL_opsave
 545                         Perl_do_exec
 546                         Perl_getenv_len
 547                         Perl_my_pclose
 548                         Perl_my_popen
 549                         Perl_sys_intern_init
 550                         Perl_sys_intern_dup
 551                         Perl_sys_intern_clear
 552                         Perl_my_bcopy
 553                         Perl_PerlIO_write
 554                         Perl_PerlIO_unread
 555                         Perl_PerlIO_tell
 556                         Perl_PerlIO_stdout
 557                         Perl_PerlIO_stdin
 558                         Perl_PerlIO_stderr
 559                         Perl_PerlIO_setlinebuf
 560                         Perl_PerlIO_set_ptrcnt
 561                         Perl_PerlIO_set_cnt
 562                         Perl_PerlIO_seek
 563                         Perl_PerlIO_read
 564                         Perl_PerlIO_get_ptr
 565                         Perl_PerlIO_get_cnt
 566                         Perl_PerlIO_get_bufsiz
 567                         Perl_PerlIO_get_base
 568                         Perl_PerlIO_flush
 569                         Perl_PerlIO_fill
 570                         Perl_PerlIO_fileno
 571                         Perl_PerlIO_error
 572                         Perl_PerlIO_eof
 573                         Perl_PerlIO_close
 574                         Perl_PerlIO_clearerr
 575                         PerlIO_perlio
 576                         )];
 577 }
 578
 579 unless ($define{'DEBUGGING'}) {
 580     skip_symbols [qw(
 581                     Perl_deb_growlevel
 582                     Perl_debop
 583                     Perl_debprofdump
 584                     Perl_debstack
 585                     Perl_debstackptrs
 586                     Perl_pad_sv
 587                     Perl_sv_peek
 588                     PL_block_type
 589                     PL_watchaddr
 590                     PL_watchok
 591                     PL_watch_pvx
 592                     )];
 593 }
 594
 595 if ($define{'PERL_IMPLICIT_CONTEXT'}) {
 596     skip_symbols [qw(
 597                     PL_sig_sv
 598                     )];
 599 }
 600
 601 if ($define{'PERL_IMPLICIT_SYS'}) {
 602     skip_symbols [qw(
 603                     Perl_getenv_len
 604                     Perl_my_popen
 605                     Perl_my_pclose
 606                     )];
 607 }
 608 else {
 609     skip_symbols [qw(
 610                     PL_Mem
 611                     PL_MemShared
 612                     PL_MemParse
 613                     PL_Env
 614                     PL_StdIO
 615                     PL_LIO
 616                     PL_Dir
 617                     PL_Sock
 618                     PL_Proc
 619                     )];
 620 }
 621
 622 unless ($define{'PERL_OLD_COPY_ON_WRITE'}) {
 623     skip_symbols [qw(
 624                     Perl_sv_setsv_cow
 625                     Perl_sv_release_IVX
 626                   )];
 627 }
 628
 629 unless ($define{'USE_REENTRANT_API'}) {
 630     skip_symbols [qw(
 631                     PL_reentrant_buffer
 632                     )];
 633 }
 634
 635 if ($define{'MYMALLOC'}) {
 636     emit_symbols [qw(
 637                     Perl_dump_mstats
 638                     Perl_get_mstats
 639                     Perl_strdup
 640                     Perl_putenv
 641                     MallocCfg_ptr
 642                     MallocCfgP_ptr
 643                     )];
 644     if ($define{'USE_ITHREADS'}) {
 645         emit_symbols [qw(
 646                         PL_malloc_mutex
 647                         )];
 648     }
 649     else {
 650         skip_symbols [qw(
 651                         PL_malloc_mutex
 652                         )];
 653     }
 654 }
 655 else {
 656     skip_symbols [qw(
 657                     PL_malloc_mutex
 658                     Perl_dump_mstats
 659                     Perl_get_mstats
 660                     Perl_malloced_size
 661                     MallocCfg_ptr
 662                     MallocCfgP_ptr
 663                     )];
 664 }
 665
 666 if ($define{'PERL_USE_SAFE_PUTENV'}) {
 667     skip_symbols [qw(
 668                    PL_use_safe_putenv
 669                   )];
 670 }
 671
 672 unless ($define{'USE_ITHREADS'}) {
 673     skip_symbols [qw(
 674                     PL_thr_key
 675                     )];
 676 }
 677
 678 # USE_5005THREADS symbols. Kept as reference for easier removal
 679     skip_symbols [qw(
 680                     PL_sv_mutex
 681                     PL_strtab_mutex
 682                     PL_svref_mutex
 683                     PL_cred_mutex
 684                     PL_eval_mutex
 685                     PL_fdpid_mutex
 686                     PL_sv_lock_mutex
 687                     PL_eval_cond
 688                     PL_eval_owner
 689                     PL_threads_mutex
 690                     PL_nthreads
 691                     PL_nthreads_cond
 692                     PL_threadnum
 693                     PL_threadsv_names
 694                     PL_thrsv
 695                     PL_vtbl_mutex
 696                     Perl_condpair_magic
 697                     Perl_new_struct_thread
 698                     Perl_per_thread_magicals
 699                     Perl_thread_create
 700                     Perl_find_threadsv
 701                     Perl_unlock_condpair
 702                     Perl_magic_mutexfree
 703                     Perl_sv_lock
 704                     )];
 705
 706 unless ($define{'USE_ITHREADS'}) {
 707     skip_symbols [qw(
 708                     PL_ptr_table
 709                     PL_pte_root
 710                     PL_pte_arenaroot
 711                     PL_op_mutex
 712                     PL_regex_pad
 713                     PL_regex_padav
 714                     PL_sharedsv_space
 715                     PL_sharedsv_space_mutex
 716                     PL_dollarzero_mutex
 717                     Perl_dirp_dup
 718                     Perl_cx_dup
 719                     Perl_si_dup
 720                     Perl_any_dup
 721                     Perl_ss_dup
 722                     Perl_fp_dup
 723                     Perl_gp_dup
 724                     Perl_he_dup
 725                     Perl_mg_dup
 726                     Perl_re_dup
 727                     Perl_sv_dup
 728                     Perl_rvpv_dup
 729                     Perl_hek_dup
 730                     Perl_sys_intern_dup
 731                     Perl_ptr_table_clear
 732                     Perl_ptr_table_fetch
 733                     Perl_ptr_table_free
 734                     Perl_ptr_table_new
 735                     Perl_ptr_table_clear
 736                     Perl_ptr_table_free
 737                     Perl_ptr_table_split
 738                     Perl_ptr_table_store
 739                     perl_clone
 740                     perl_clone_using
 741                     Perl_sharedsv_find
 742                     Perl_sharedsv_init
 743                     Perl_sharedsv_lock
 744                     Perl_sharedsv_new
 745                     Perl_sharedsv_thrcnt_dec
 746                     Perl_sharedsv_thrcnt_inc
 747                     Perl_sharedsv_unlock
 748                     Perl_stashpv_hvname_match
 749                     )];
 750 }
 751
 752 unless ($define{'PERL_IMPLICIT_CONTEXT'}) {
 753     skip_symbols [qw(
 754                     PL_my_ctx_mutex
 755                     PL_my_cxt_index
 756                     PL_my_cxt_list
 757                     PL_my_cxt_size
 758                     Perl_croak_nocontext
 759                     Perl_die_nocontext
 760                     Perl_deb_nocontext
 761                     Perl_form_nocontext
 762                     Perl_load_module_nocontext
 763                     Perl_mess_nocontext
 764                     Perl_warn_nocontext
 765                     Perl_warner_nocontext
 766                     Perl_newSVpvf_nocontext
 767                     Perl_sv_catpvf_nocontext
 768                     Perl_sv_setpvf_nocontext
 769                     Perl_sv_catpvf_mg_nocontext
 770                     Perl_sv_setpvf_mg_nocontext
 771                     Perl_my_cxt_init
 772                     )];
 773 }
 774
 775 unless ($define{'PERL_IMPLICIT_SYS'}) {
 776     skip_symbols [qw(
 777                     perl_alloc_using
 778                     perl_clone_using
 779                     )];
 780 }
 781
 782 unless ($define{'FAKE_THREADS'}) {
 783     skip_symbols [qw(PL_curthr)];
 784 }
 785
 786 unless ($define{'PL_OP_SLAB_ALLOC'}) {
 787     skip_symbols [qw(
 788                      PL_OpPtr
 789                      PL_OpSlab
 790                      PL_OpSpace
 791                      Perl_Slab_Alloc
 792                      Perl_Slab_Free
 793                     )];
 794 }
 795
 796 unless ($define{'THREADS_HAVE_PIDS'}) {
 797     skip_symbols [qw(PL_ppid)];
 798 }
 799
 800 unless ($define{'PERL_NEED_APPCTX'}) {
 801     skip_symbols [qw(
 802                     PL_appctx
 803                     )];
 804 }
 805
 806 unless ($define{'PERL_NEED_TIMESBASE'}) {
 807     skip_symbols [qw(
 808                     PL_timesbase
 809                     )];
 810 }
 811
 812 unless ($define{'DEBUG_LEAKING_SCALARS_FORK_DUMP'}) {
 813     skip_symbols [qw(
 814                     PL_dumper_fd
 815                     )];
 816 }
 817 unless ($define{'PERL_DONT_CREATE_GVSV'}) {
 818     skip_symbols [qw(
 819                      Perl_gv_SVadd
 820                     )];
 821 }
 822 if ($define{'SPRINTF_RETURNS_STRLEN'}) {
 823     skip_symbols [qw(
 824                      Perl_my_sprintf
 825                     )];
 826 }
 827 unless ($define{'PERL_USES_PL_PIDSTATUS'}) {
 828     skip_symbols [qw(
 829                      Perl_pidgone
 830                      PL_pidstatus
 831                     )];
 832 }
 833
 834 unless ($define{'PERL_TRACK_MEMPOOL'}) {
 835     skip_symbols [qw(
 836                      PL_memory_debug_header
 837                     )];
 838 }
 839
 840 unless ($define{'d_mmap'}) {
 841     skip_symbols [qw(
 842                     PL_mmap_page_size
 843                     )];
 844 }
 845
 846 if ($define{'d_sigaction'}) {
 847     skip_symbols [qw(
 848                     PL_sig_trapped
 849                     )];
 850 }
 851
 852 if ($^O ne 'vms') {
 853     # VMS does its own thing for these symbols.
 854     skip_symbols [qw(PL_sig_handlers_initted
 855                      PL_sig_ignoring
 856                      PL_sig_defaulting)];
 857 }
 858
 859 sub readvar {
 860     my $file = shift;
 861     my $proc = shift || sub { "PL_$_[2]" };
 862     open(VARS,$file) || die "Cannot open $file: $!\n";
 863     my @syms;
 864     while (<VARS>) {
 865         # All symbols have a Perl_ prefix because that's what embed.h
 866         # sticks in front of them.  The A?I?S?C? is strictly speaking
 867         # wrong.
 868         push(@syms, &$proc($1,$2,$3)) if (/\bPERLVAR(A?I?S?C?)\(([IGT])(\w+)/);
 869     }
 870     close(VARS);
 871     return \@syms;
 872 }
 873
 874 if ($define{'PERL_GLOBAL_STRUCT'}) {
 875     my $global = readvar($perlvars_h);
 876     skip_symbols $global;
 877     emit_symbol('Perl_GetVars');
 878     emit_symbols [qw(PL_Vars PL_VarsPtr)] unless $CCTYPE eq 'GCC';
 879 } else {
 880     skip_symbols [qw(Perl_init_global_struct Perl_free_global_struct)];
 881 }
 882
 883 # functions from *.sym files
 884
 885 my @syms = ($global_sym, $globvar_sym); # $pp_sym is not part of the API
 886
 887 # Symbols that are the public face of the PerlIO layers implementation
 888 # These are in _addition to_ the public face of the abstraction
 889 # and need to be exported to allow XS modules to implement layers
 890 my @layer_syms = qw(
 891                     PerlIOBase_binmode
 892                     PerlIOBase_clearerr
 893                     PerlIOBase_close
 894                     PerlIOBase_dup
 895                     PerlIOBase_eof
 896                     PerlIOBase_error
 897                     PerlIOBase_fileno
 898                     PerlIOBase_noop_fail
 899                     PerlIOBase_noop_ok
 900                     PerlIOBase_popped
 901                     PerlIOBase_pushed
 902                     PerlIOBase_read
 903                     PerlIOBase_setlinebuf
 904                     PerlIOBase_unread
 905                     PerlIOBuf_bufsiz
 906                     PerlIOBuf_close
 907                     PerlIOBuf_dup
 908                     PerlIOBuf_fill
 909                     PerlIOBuf_flush
 910                     PerlIOBuf_get_base
 911                     PerlIOBuf_get_cnt
 912                     PerlIOBuf_get_ptr
 913                     PerlIOBuf_open
 914                     PerlIOBuf_popped
 915                     PerlIOBuf_pushed
 916                     PerlIOBuf_read
 917                     PerlIOBuf_seek
 918                     PerlIOBuf_set_ptrcnt
 919                     PerlIOBuf_tell
 920                     PerlIOBuf_unread
 921                     PerlIOBuf_write
 922                     PerlIO_allocate
 923                     PerlIO_apply_layera
 924                     PerlIO_apply_layers
 925                     PerlIO_arg_fetch
 926                     PerlIO_debug
 927                     PerlIO_define_layer
 928                     PerlIO_isutf8
 929                     PerlIO_layer_fetch
 930                     PerlIO_list_free
 931                     PerlIO_modestr
 932                     PerlIO_parse_layers
 933                     PerlIO_pending
 934                     PerlIO_perlio
 935                     PerlIO_pop
 936                     PerlIO_push
 937                     PerlIO_sv_dup
 938                     Perl_PerlIO_clearerr
 939                     Perl_PerlIO_close
 940                     Perl_PerlIO_eof
 941                     Perl_PerlIO_error
 942                     Perl_PerlIO_fileno
 943                     Perl_PerlIO_fill
 944                     Perl_PerlIO_flush
 945                     Perl_PerlIO_get_base
 946                     Perl_PerlIO_get_bufsiz
 947                     Perl_PerlIO_get_cnt
 948                     Perl_PerlIO_get_ptr
 949                     Perl_PerlIO_read
 950                     Perl_PerlIO_seek
 951                     Perl_PerlIO_set_cnt
 952                     Perl_PerlIO_set_ptrcnt
 953                     Perl_PerlIO_setlinebuf
 954                     Perl_PerlIO_stderr
 955                     Perl_PerlIO_stdin
 956                     Perl_PerlIO_stdout
 957                     Perl_PerlIO_tell
 958                     Perl_PerlIO_unread
 959                     Perl_PerlIO_write
 960 );
 961 if ($PLATFORM eq 'netware') {
 962     push(@layer_syms,'PL_def_layerlist','PL_known_layers','PL_perlio');
 963 }
 964
 965 if ($define{'USE_PERLIO'}) {
 966     # Export the symols that make up the PerlIO abstraction, regardless
 967     # of its implementation - read from a file
 968     push @syms, $perlio_sym;
 969
 970     # This part is then dependent on how the abstraction is implemented
 971     if ($define{'USE_SFIO'}) {
 972         # Old legacy non-stdio "PerlIO"
 973         skip_symbols \@layer_syms;
 974         skip_symbols [qw(perlsio_binmode)];
 975         # SFIO defines most of the PerlIO routines as macros
 976         # So undo most of what $perlio_sym has just done - d'oh !
 977         # Perhaps it would be better to list the ones which do exist
 978         # And emit them
 979         skip_symbols [qw(
 980                          PerlIO_canset_cnt
 981                          PerlIO_clearerr
 982                          PerlIO_close
 983                          PerlIO_eof
 984                          PerlIO_error
 985                          PerlIO_exportFILE
 986                          PerlIO_fast_gets
 987                          PerlIO_fdopen
 988                          PerlIO_fileno
 989                          PerlIO_findFILE
 990                          PerlIO_flush
 991                          PerlIO_get_base
 992                          PerlIO_get_bufsiz
 993                          PerlIO_get_cnt
 994                          PerlIO_get_ptr
 995                          PerlIO_getc
 996                          PerlIO_getname
 997                          PerlIO_has_base
 998                          PerlIO_has_cntptr
 999                          PerlIO_importFILE
1000                          PerlIO_open
1001                          PerlIO_printf
1002                          PerlIO_putc
1003                          PerlIO_puts
1004                          PerlIO_read
1005                          PerlIO_releaseFILE
1006                          PerlIO_reopen
1007                          PerlIO_rewind
1008                          PerlIO_seek
1009                          PerlIO_set_cnt
1010                          PerlIO_set_ptrcnt
1011                          PerlIO_setlinebuf
1012                          PerlIO_sprintf
1013                          PerlIO_stderr
1014                          PerlIO_stdin
1015                          PerlIO_stdout
1016                          PerlIO_stdoutf
1017                          PerlIO_tell
1018                          PerlIO_ungetc
1019                          PerlIO_vprintf
1020                          PerlIO_write
1021                          PerlIO_perlio
1022                          Perl_PerlIO_clearerr
1023                          Perl_PerlIO_close
1024                          Perl_PerlIO_eof
1025                          Perl_PerlIO_error
1026                          Perl_PerlIO_fileno
1027                          Perl_PerlIO_fill
1028                          Perl_PerlIO_flush
1029                          Perl_PerlIO_get_base
1030                          Perl_PerlIO_get_bufsiz
1031                          Perl_PerlIO_get_cnt
1032                          Perl_PerlIO_get_ptr
1033                          Perl_PerlIO_read
1034                          Perl_PerlIO_seek
1035                          Perl_PerlIO_set_cnt
1036                          Perl_PerlIO_set_ptrcnt
1037                          Perl_PerlIO_setlinebuf
1038                          Perl_PerlIO_stderr
1039                          Perl_PerlIO_stdin
1040                          Perl_PerlIO_stdout
1041                          Perl_PerlIO_tell
1042                          Perl_PerlIO_unread
1043                          Perl_PerlIO_write
1044                          PL_def_layerlist
1045                          PL_known_layers
1046                          PL_perlio
1047                          )];
1048     }
1049     else {
1050         # PerlIO with layers - export implementation
1051         emit_symbols \@layer_syms;
1052         emit_symbols [qw(perlsio_binmode)];
1053     }
1054 } else {
1055         # -Uuseperlio
1056         # Skip the PerlIO layer symbols - although
1057         # nothing should have exported them anyway.
1058         skip_symbols \@layer_syms;
1059         skip_symbols [qw(perlsio_binmode)];
1060         skip_symbols [qw(PL_def_layerlist PL_known_layers PL_perlio)];
1061
1062         # Also do NOT add abstraction symbols from $perlio_sym
1063         # abstraction is done as #define to stdio
1064         # Remaining remnants that _may_ be functions
1065         # are handled in <DATA>
1066 }
1067
1068 for my $syms (@syms) {
1069     open (GLOBAL, "<$syms") || die "failed to open $syms: $!\n";
1070     while (<GLOBAL>) {
1071         next if (!/^[A-Za-z]/);
1072         # Functions have a Perl_ prefix
1073         # Variables have a PL_ prefix
1074         chomp($_);
1075         my $symbol = ($syms =~ /var\.sym$/i ? "PL_" : "");
1076         $symbol .= $_;
1077         emit_symbol($symbol) unless exists $skip{$symbol};
1078     }
1079     close(GLOBAL);
1080 }
1081
1082 # variables
1083
1084 if ($define{'MULTIPLICITY'}) {
1085     for my $f ($perlvars_h, $intrpvar_h, $thrdvar_h) {
1086         my $glob = readvar($f, sub { "Perl_" . $_[1] . $_[2] . "_ptr" });
1087         emit_symbols $glob;
1088     }
1089     # XXX AIX seems to want the perlvars.h symbols, for some reason
1090     if ($PLATFORM eq 'aix' or $PLATFORM eq 'os2') {     # OS/2 needs PL_thr_key
1091         my $glob = readvar($perlvars_h);
1092         emit_symbols $glob;
1093     }
1094 }
1095 else {
1096     unless ($define{'PERL_GLOBAL_STRUCT'}) {
1097         my $glob = readvar($perlvars_h);
1098         emit_symbols $glob;
1099     }
1100     unless ($define{'MULTIPLICITY'}) {
1101         my $glob = readvar($intrpvar_h);
1102         emit_symbols $glob;
1103     }
1104     unless ($define{'MULTIPLICITY'}) {
1105         my $glob = readvar($thrdvar_h);
1106         emit_symbols $glob;
1107     }
1108 }
1109
1110 sub try_symbol {
1111     my $symbol = shift;
1112
1113     return if $symbol !~ /^[A-Za-z_]/;
1114     return if $symbol =~ /^\#/;
1115     $symbol =~s/\r//g;
1116     chomp($symbol);
1117     return if exists $skip{$symbol};
1118     emit_symbol($symbol);
1119 }
1120
1121 while (<DATA>) {
1122     try_symbol($_);
1123 }
1124
1125 if ($PLATFORM =~ /^win(?:32|ce)$/) {
1126     foreach my $symbol (qw(
1127                             setuid
1128                             setgid
1129                             boot_DynaLoader
1130                             Perl_init_os_extras
1131                             Perl_thread_create
1132                             Perl_win32_init
1133                             Perl_win32_term
1134                             RunPerl
1135                             win32_async_check
1136                             win32_errno
1137                             win32_environ
1138                             win32_abort
1139                             win32_fstat
1140                             win32_stat
1141                             win32_pipe
1142                             win32_popen
1143                             win32_pclose
1144                             win32_rename
1145                             win32_setmode
1146                             win32_chsize
1147                             win32_lseek
1148                             win32_tell
1149                             win32_dup
1150                             win32_dup2
1151                             win32_open
1152                             win32_close
1153                             win32_eof
1154                             win32_read
1155                             win32_write
1156                             win32_spawnvp
1157                             win32_mkdir
1158                             win32_rmdir
1159                             win32_chdir
1160                             win32_flock
1161                             win32_execv
1162                             win32_execvp
1163                             win32_htons
1164                             win32_ntohs
1165                             win32_htonl
1166                             win32_ntohl
1167                             win32_inet_addr
1168                             win32_inet_ntoa
1169                             win32_socket
1170                             win32_bind
1171                             win32_listen
1172                             win32_accept
1173                             win32_connect
1174                             win32_send
1175                             win32_sendto
1176                             win32_recv
1177                             win32_recvfrom
1178                             win32_shutdown
1179                             win32_closesocket
1180                             win32_ioctlsocket
1181                             win32_setsockopt
1182                             win32_getsockopt
1183                             win32_getpeername
1184                             win32_getsockname
1185                             win32_gethostname
1186                             win32_gethostbyname
1187                             win32_gethostbyaddr
1188                             win32_getprotobyname
1189                             win32_getprotobynumber
1190                             win32_getservbyname
1191                             win32_getservbyport
1192                             win32_select
1193                             win32_endhostent
1194                             win32_endnetent
1195                             win32_endprotoent
1196                             win32_endservent
1197                             win32_getnetent
1198                             win32_getnetbyname
1199                             win32_getnetbyaddr
1200                             win32_getprotoent
1201                             win32_getservent
1202                             win32_sethostent
1203                             win32_setnetent
1204                             win32_setprotoent
1205                             win32_setservent
1206                             win32_getenv
1207                             win32_putenv
1208                             win32_perror
1209                             win32_malloc
1210                             win32_calloc
1211                             win32_realloc
1212                             win32_free
1213                             win32_sleep
1214                             win32_times
1215                             win32_access
1216                             win32_alarm
1217                             win32_chmod
1218                             win32_open_osfhandle
1219                             win32_get_osfhandle
1220                             win32_ioctl
1221                             win32_link
1222                             win32_unlink
1223                             win32_utime
1224                             win32_gettimeofday
1225                             win32_uname
1226                             win32_wait
1227                             win32_waitpid
1228                             win32_kill
1229                             win32_str_os_error
1230                             win32_opendir
1231                             win32_readdir
1232                             win32_telldir
1233                             win32_seekdir
1234                             win32_rewinddir
1235                             win32_closedir
1236                             win32_longpath
1237                             win32_os_id
1238                             win32_getpid
1239                             win32_crypt
1240                             win32_dynaload
1241                             win32_get_childenv
1242                             win32_free_childenv
1243                             win32_clearenv
1244                             win32_get_childdir
1245                             win32_free_childdir
1246                             win32_stdin
1247                             win32_stdout
1248                             win32_stderr
1249                             win32_ferror
1250                             win32_feof
1251                             win32_strerror
1252                             win32_fprintf
1253                             win32_printf
1254                             win32_vfprintf
1255                             win32_vprintf
1256                             win32_fread
1257                             win32_fwrite
1258                             win32_fopen
1259                             win32_fdopen
1260                             win32_freopen
1261                             win32_fclose
1262                             win32_fputs
1263                             win32_fputc
1264                             win32_ungetc
1265                             win32_getc
1266                             win32_fileno
1267                             win32_clearerr
1268                             win32_fflush
1269                             win32_ftell
1270                             win32_fseek
1271                             win32_fgetpos
1272                             win32_fsetpos
1273                             win32_rewind
1274                             win32_tmpfile
1275                             win32_setbuf
1276                             win32_setvbuf
1277                             win32_flushall
1278                             win32_fcloseall
1279                             win32_fgets
1280                             win32_gets
1281                             win32_fgetc
1282                             win32_putc
1283                             win32_puts
1284                             win32_getchar
1285                             win32_putchar
1286                            ))
1287     {
1288         try_symbol($symbol);
1289     }
1290     if ($CCTYPE eq "BORLAND") {
1291         try_symbol('_matherr');
1292     }
1293 }
1294 elsif ($PLATFORM eq 'os2') {
1295     open MAP, 'miniperl.map' or die 'Cannot read miniperl.map';
1296     /^\s*[\da-f:]+\s+(\w+)/i and $mapped{$1}++ foreach <MAP>;
1297     close MAP or die 'Cannot close miniperl.map';
1298
1299     @missing = grep { !exists $mapped{$_} }
1300                     keys %export;
1301     @missing = grep { !exists $exportperlmalloc{$_} } @missing;
1302     delete $export{$_} foreach @missing;
1303 }
1304 elsif ($PLATFORM eq 'MacOS') {
1305     open MACSYMS, 'macperl.sym' or die 'Cannot read macperl.sym';
1306
1307     while (<MACSYMS>) {
1308         try_symbol($_);
1309     }
1310
1311     close MACSYMS;
1312 }
1313 elsif ($PLATFORM eq 'netware') {
1314 foreach my $symbol (qw(
1315                         boot_DynaLoader
1316                         Perl_init_os_extras
1317                         Perl_thread_create
1318                         Perl_nw5_init
1319                         RunPerl
1320                         AllocStdPerl
1321                         FreeStdPerl
1322                         do_spawn2
1323                         do_aspawn
1324                         nw_uname
1325                         nw_stdin
1326                         nw_stdout
1327                         nw_stderr
1328                         nw_feof
1329                         nw_ferror
1330                         nw_fopen
1331                         nw_fclose
1332                         nw_clearerr
1333                         nw_getc
1334                         nw_fgets
1335                         nw_fputc
1336                         nw_fputs
1337                         nw_fflush
1338                         nw_ungetc
1339                         nw_fileno
1340                         nw_fdopen
1341                         nw_freopen
1342                         nw_fread
1343                         nw_fwrite
1344                         nw_setbuf
1345                         nw_setvbuf
1346                         nw_vfprintf
1347                         nw_ftell
1348                         nw_fseek
1349                         nw_rewind
1350                         nw_tmpfile
1351                         nw_fgetpos
1352                         nw_fsetpos
1353                         nw_dup
1354                         nw_access
1355                         nw_chmod
1356                         nw_chsize
1357                         nw_close
1358                         nw_dup2
1359                         nw_flock
1360                         nw_isatty
1361                         nw_link
1362                         nw_lseek
1363                         nw_stat
1364                         nw_mktemp
1365                         nw_open
1366                         nw_read
1367                         nw_rename
1368                         nw_setmode
1369                         nw_unlink
1370                         nw_utime
1371                         nw_write
1372                         nw_chdir
1373                         nw_rmdir
1374                         nw_closedir
1375                         nw_opendir
1376                         nw_readdir
1377                         nw_rewinddir
1378                         nw_seekdir
1379                         nw_telldir
1380                         nw_htonl
1381                         nw_htons
1382                         nw_ntohl
1383                         nw_ntohs
1384                         nw_accept
1385                         nw_bind
1386                         nw_connect
1387                         nw_endhostent
1388                         nw_endnetent
1389                         nw_endprotoent
1390                         nw_endservent
1391                         nw_gethostbyaddr
1392                         nw_gethostbyname
1393                         nw_gethostent
1394                         nw_gethostname
1395                         nw_getnetbyaddr
1396                         nw_getnetbyname
1397                         nw_getnetent
1398                         nw_getpeername
1399                         nw_getprotobyname
1400                         nw_getprotobynumber
1401                         nw_getprotoent
1402                         nw_getservbyname
1403                         nw_getservbyport
1404                         nw_getservent
1405                         nw_getsockname
1406                         nw_getsockopt
1407                         nw_inet_addr
1408                         nw_listen
1409                         nw_socket
1410                         nw_recv
1411                         nw_recvfrom
1412                         nw_select
1413                         nw_send
1414                         nw_sendto
1415                         nw_sethostent
1416                         nw_setnetent
1417                         nw_setprotoent
1418                         nw_setservent
1419                         nw_setsockopt
1420                         nw_inet_ntoa
1421                         nw_shutdown
1422                         nw_crypt
1423                         nw_execvp
1424                         nw_kill
1425                         nw_Popen
1426                         nw_Pclose
1427                         nw_Pipe
1428                         nw_times
1429                         nw_waitpid
1430                         nw_getpid
1431                         nw_spawnvp
1432                         nw_os_id
1433                         nw_open_osfhandle
1434                         nw_get_osfhandle
1435                         nw_abort
1436                         nw_sleep
1437                         nw_wait
1438                         nw_dynaload
1439                         nw_strerror
1440                         fnFpSetMode
1441                         fnInsertHashListAddrs
1442                         fnGetHashListAddrs
1443                         Perl_deb
1444                         Perl_sv_setsv
1445                         Perl_sv_catsv
1446                         Perl_sv_catpvn
1447                         Perl_sv_2pv
1448                         nw_freeenviron
1449                         Remove_Thread_Ctx
1450                            ))
1451     {
1452         try_symbol($symbol);
1453     }
1454 }
1455
1456 # records of type boot_module for statically linked modules (except Dynaloader)
1457 $static_ext =~ s/\//__/g;
1458 $static_ext =~ s/\bDynaLoader\b//;
1459 my @stat_mods = map {"boot_$_"} grep {/\S/} split /\s+/, $static_ext;
1460 foreach my $symbol (@stat_mods)
1461     {
1462         try_symbol($symbol);
1463     }
1464
1465 # Now all symbols should be defined because
1466 # next we are going to output them.
1467
1468 foreach my $symbol (sort keys %export) {
1469     output_symbol($symbol);
1470 }
1471
1472 if ($PLATFORM eq 'os2') {
1473         print <<EOP;
1474     dll_perlmain=main
1475     fill_extLibpath
1476     dir_subst
1477     Perl_OS2_handler_install
1478
1479 ; LAST_ORDINAL=$sym_ord
1480 EOP
1481 }
1482
1483 sub emit_symbol {
1484     my $symbol = shift;
1485     chomp($symbol);
1486     $export{$symbol} = 1;
1487 }
1488
1489 sub output_symbol {
1490     my $symbol = shift;
1491     if ($PLATFORM =~ /^win(?:32|ce)$/) {
1492         $symbol = "_$symbol" if $CCTYPE eq 'BORLAND';
1493         print "\t$symbol\n";
1494 # XXX: binary compatibility between compilers is an exercise
1495 # in frustration :-(
1496 #        if ($CCTYPE eq "BORLAND") {
1497 #           # workaround Borland quirk by exporting both the straight
1498 #           # name and a name with leading underscore.  Note the
1499 #           # alias *must* come after the symbol itself, if both
1500 #           # are to be exported. (Linker bug?)
1501 #           print "\t_$symbol\n";
1502 #           print "\t$symbol = _$symbol\n";
1503 #       }
1504 #       elsif ($CCTYPE eq 'GCC') {
1505 #           # Symbols have leading _ whole process is $%@"% slow
1506 #           # so skip aliases for now
1507 #           nprint "\t$symbol\n";
1508 #       }
1509 #       else {
1510 #           # for binary coexistence, export both the symbol and
1511 #           # alias with leading underscore
1512 #           print "\t$symbol\n";
1513 #           print "\t_$symbol = $symbol\n";
1514 #       }
1515     }
1516     elsif ($PLATFORM eq 'os2') {
1517         printf qq(    %-31s \@%s\n),
1518           qq("$symbol"), $ordinal{$symbol} || ++$sym_ord;
1519         printf qq(    %-31s \@%s\n),
1520           qq("$exportperlmalloc{$symbol}" = "$symbol"),
1521           $ordinal{$exportperlmalloc{$symbol}} || ++$sym_ord
1522           if $exportperlmalloc and exists $exportperlmalloc{$symbol};
1523     }
1524     elsif ($PLATFORM eq 'aix' || $PLATFORM eq 'MacOS') {
1525         print "$symbol\n";
1526     }
1527         elsif ($PLATFORM eq 'netware') {
1528         print "\t$symbol,\n";
1529         }
1530 }
1531
1532 1;
1533 __DATA__
1534 # extra globals not included above.
1535 Perl_cxinc
1536 perl_alloc
1537 perl_alloc_using
1538 perl_clone
1539 perl_clone_using
1540 perl_construct
1541 perl_destruct
1542 perl_free
1543 perl_parse
1544 perl_run
1545 # Oddities from PerlIO
1546 PerlIO_binmode
1547 PerlIO_getpos
1548 PerlIO_init
1549 PerlIO_setpos
1550 PerlIO_sprintf
1551 PerlIO_sv_dup
1552 PerlIO_tmpfile
1553 PerlIO_vsprintf