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{'PERL_MAD'}) {
 841     skip_symbols [qw(
 842                     PL_madskills
 843                     PL_xmlfp
 844                     Perl_pad_peg
 845                     Perl_xmldump_indent
 846                     Perl_xmldump_vindent
 847                     Perl_xmldump_all
 848                     Perl_xmldump_packsubs
 849                     Perl_xmldump_sub
 850                     Perl_xmldump_form
 851                     Perl_xmldump_eval
 852                     Perl_sv_catxmlsv
 853                     Perl_sv_catxmlpvn
 854                     Perl_sv_xmlpeek
 855                     Perl_do_pmop_xmldump
 856                     Perl_pmop_xmldump
 857                     Perl_do_op_xmldump
 858                     Perl_op_xmldump
 859                     )];
 860 }
 861
 862 unless ($define{'d_mmap'}) {
 863     skip_symbols [qw(
 864                     PL_mmap_page_size
 865                     )];
 866 }
 867
 868 if ($define{'d_sigaction'}) {
 869     skip_symbols [qw(
 870                     PL_sig_trapped
 871                     )];
 872 }
 873
 874 if ($^O ne 'vms') {
 875     # VMS does its own thing for these symbols.
 876     skip_symbols [qw(PL_sig_handlers_initted
 877                      PL_sig_ignoring
 878                      PL_sig_defaulting)];
 879 }
 880
 881 sub readvar {
 882     my $file = shift;
 883     my $proc = shift || sub { "PL_$_[2]" };
 884     open(VARS,$file) || die "Cannot open $file: $!\n";
 885     my @syms;
 886     while (<VARS>) {
 887         # All symbols have a Perl_ prefix because that's what embed.h
 888         # sticks in front of them.  The A?I?S?C? is strictly speaking
 889         # wrong.
 890         push(@syms, &$proc($1,$2,$3)) if (/\bPERLVAR(A?I?S?C?)\(([IGT])(\w+)/);
 891     }
 892     close(VARS);
 893     return \@syms;
 894 }
 895
 896 if ($define{'PERL_GLOBAL_STRUCT'}) {
 897     my $global = readvar($perlvars_h);
 898     skip_symbols $global;
 899     emit_symbol('Perl_GetVars');
 900     emit_symbols [qw(PL_Vars PL_VarsPtr)] unless $CCTYPE eq 'GCC';
 901 } else {
 902     skip_symbols [qw(Perl_init_global_struct Perl_free_global_struct)];
 903 }
 904
 905 # functions from *.sym files
 906
 907 my @syms = ($global_sym, $globvar_sym); # $pp_sym is not part of the API
 908
 909 # Symbols that are the public face of the PerlIO layers implementation
 910 # These are in _addition to_ the public face of the abstraction
 911 # and need to be exported to allow XS modules to implement layers
 912 my @layer_syms = qw(
 913                     PerlIOBase_binmode
 914                     PerlIOBase_clearerr
 915                     PerlIOBase_close
 916                     PerlIOBase_dup
 917                     PerlIOBase_eof
 918                     PerlIOBase_error
 919                     PerlIOBase_fileno
 920                     PerlIOBase_noop_fail
 921                     PerlIOBase_noop_ok
 922                     PerlIOBase_popped
 923                     PerlIOBase_pushed
 924                     PerlIOBase_read
 925                     PerlIOBase_setlinebuf
 926                     PerlIOBase_unread
 927                     PerlIOBuf_bufsiz
 928                     PerlIOBuf_close
 929                     PerlIOBuf_dup
 930                     PerlIOBuf_fill
 931                     PerlIOBuf_flush
 932                     PerlIOBuf_get_base
 933                     PerlIOBuf_get_cnt
 934                     PerlIOBuf_get_ptr
 935                     PerlIOBuf_open
 936                     PerlIOBuf_popped
 937                     PerlIOBuf_pushed
 938                     PerlIOBuf_read
 939                     PerlIOBuf_seek
 940                     PerlIOBuf_set_ptrcnt
 941                     PerlIOBuf_tell
 942                     PerlIOBuf_unread
 943                     PerlIOBuf_write
 944                     PerlIO_allocate
 945                     PerlIO_apply_layera
 946                     PerlIO_apply_layers
 947                     PerlIO_arg_fetch
 948                     PerlIO_debug
 949                     PerlIO_define_layer
 950                     PerlIO_isutf8
 951                     PerlIO_layer_fetch
 952                     PerlIO_list_free
 953                     PerlIO_modestr
 954                     PerlIO_parse_layers
 955                     PerlIO_pending
 956                     PerlIO_perlio
 957                     PerlIO_pop
 958                     PerlIO_push
 959                     PerlIO_sv_dup
 960                     Perl_PerlIO_clearerr
 961                     Perl_PerlIO_close
 962                     Perl_PerlIO_eof
 963                     Perl_PerlIO_error
 964                     Perl_PerlIO_fileno
 965                     Perl_PerlIO_fill
 966                     Perl_PerlIO_flush
 967                     Perl_PerlIO_get_base
 968                     Perl_PerlIO_get_bufsiz
 969                     Perl_PerlIO_get_cnt
 970                     Perl_PerlIO_get_ptr
 971                     Perl_PerlIO_read
 972                     Perl_PerlIO_seek
 973                     Perl_PerlIO_set_cnt
 974                     Perl_PerlIO_set_ptrcnt
 975                     Perl_PerlIO_setlinebuf
 976                     Perl_PerlIO_stderr
 977                     Perl_PerlIO_stdin
 978                     Perl_PerlIO_stdout
 979                     Perl_PerlIO_tell
 980                     Perl_PerlIO_unread
 981                     Perl_PerlIO_write
 982 );
 983 if ($PLATFORM eq 'netware') {
 984     push(@layer_syms,'PL_def_layerlist','PL_known_layers','PL_perlio');
 985 }
 986
 987 if ($define{'USE_PERLIO'}) {
 988     # Export the symols that make up the PerlIO abstraction, regardless
 989     # of its implementation - read from a file
 990     push @syms, $perlio_sym;
 991
 992     # This part is then dependent on how the abstraction is implemented
 993     if ($define{'USE_SFIO'}) {
 994         # Old legacy non-stdio "PerlIO"
 995         skip_symbols \@layer_syms;
 996         skip_symbols [qw(perlsio_binmode)];
 997         # SFIO defines most of the PerlIO routines as macros
 998         # So undo most of what $perlio_sym has just done - d'oh !
 999         # Perhaps it would be better to list the ones which do exist
1000         # And emit them
1001         skip_symbols [qw(
1002                          PerlIO_canset_cnt
1003                          PerlIO_clearerr
1004                          PerlIO_close
1005                          PerlIO_eof
1006                          PerlIO_error
1007                          PerlIO_exportFILE
1008                          PerlIO_fast_gets
1009                          PerlIO_fdopen
1010                          PerlIO_fileno
1011                          PerlIO_findFILE
1012                          PerlIO_flush
1013                          PerlIO_get_base
1014                          PerlIO_get_bufsiz
1015                          PerlIO_get_cnt
1016                          PerlIO_get_ptr
1017                          PerlIO_getc
1018                          PerlIO_getname
1019                          PerlIO_has_base
1020                          PerlIO_has_cntptr
1021                          PerlIO_importFILE
1022                          PerlIO_open
1023                          PerlIO_printf
1024                          PerlIO_putc
1025                          PerlIO_puts
1026                          PerlIO_read
1027                          PerlIO_releaseFILE
1028                          PerlIO_reopen
1029                          PerlIO_rewind
1030                          PerlIO_seek
1031                          PerlIO_set_cnt
1032                          PerlIO_set_ptrcnt
1033                          PerlIO_setlinebuf
1034                          PerlIO_sprintf
1035                          PerlIO_stderr
1036                          PerlIO_stdin
1037                          PerlIO_stdout
1038                          PerlIO_stdoutf
1039                          PerlIO_tell
1040                          PerlIO_ungetc
1041                          PerlIO_vprintf
1042                          PerlIO_write
1043                          PerlIO_perlio
1044                          Perl_PerlIO_clearerr
1045                          Perl_PerlIO_close
1046                          Perl_PerlIO_eof
1047                          Perl_PerlIO_error
1048                          Perl_PerlIO_fileno
1049                          Perl_PerlIO_fill
1050                          Perl_PerlIO_flush
1051                          Perl_PerlIO_get_base
1052                          Perl_PerlIO_get_bufsiz
1053                          Perl_PerlIO_get_cnt
1054                          Perl_PerlIO_get_ptr
1055                          Perl_PerlIO_read
1056                          Perl_PerlIO_seek
1057                          Perl_PerlIO_set_cnt
1058                          Perl_PerlIO_set_ptrcnt
1059                          Perl_PerlIO_setlinebuf
1060                          Perl_PerlIO_stderr
1061                          Perl_PerlIO_stdin
1062                          Perl_PerlIO_stdout
1063                          Perl_PerlIO_tell
1064                          Perl_PerlIO_unread
1065                          Perl_PerlIO_write
1066                          PL_def_layerlist
1067                          PL_known_layers
1068                          PL_perlio
1069                          )];
1070     }
1071     else {
1072         # PerlIO with layers - export implementation
1073         emit_symbols \@layer_syms;
1074         emit_symbols [qw(perlsio_binmode)];
1075     }
1076 } else {
1077         # -Uuseperlio
1078         # Skip the PerlIO layer symbols - although
1079         # nothing should have exported them anyway.
1080         skip_symbols \@layer_syms;
1081         skip_symbols [qw(perlsio_binmode)];
1082         skip_symbols [qw(PL_def_layerlist PL_known_layers PL_perlio)];
1083
1084         # Also do NOT add abstraction symbols from $perlio_sym
1085         # abstraction is done as #define to stdio
1086         # Remaining remnants that _may_ be functions
1087         # are handled in <DATA>
1088 }
1089
1090 for my $syms (@syms) {
1091     open (GLOBAL, "<$syms") || die "failed to open $syms: $!\n";
1092     while (<GLOBAL>) {
1093         next if (!/^[A-Za-z]/);
1094         # Functions have a Perl_ prefix
1095         # Variables have a PL_ prefix
1096         chomp($_);
1097         my $symbol = ($syms =~ /var\.sym$/i ? "PL_" : "");
1098         $symbol .= $_;
1099         emit_symbol($symbol) unless exists $skip{$symbol};
1100     }
1101     close(GLOBAL);
1102 }
1103
1104 # variables
1105
1106 if ($define{'MULTIPLICITY'}) {
1107     for my $f ($perlvars_h, $intrpvar_h, $thrdvar_h) {
1108         my $glob = readvar($f, sub { "Perl_" . $_[1] . $_[2] . "_ptr" });
1109         emit_symbols $glob;
1110     }
1111     # XXX AIX seems to want the perlvars.h symbols, for some reason
1112     if ($PLATFORM eq 'aix' or $PLATFORM eq 'os2') {     # OS/2 needs PL_thr_key
1113         my $glob = readvar($perlvars_h);
1114         emit_symbols $glob;
1115     }
1116 }
1117 else {
1118     unless ($define{'PERL_GLOBAL_STRUCT'}) {
1119         my $glob = readvar($perlvars_h);
1120         emit_symbols $glob;
1121     }
1122     unless ($define{'MULTIPLICITY'}) {
1123         my $glob = readvar($intrpvar_h);
1124         emit_symbols $glob;
1125     }
1126     unless ($define{'MULTIPLICITY'}) {
1127         my $glob = readvar($thrdvar_h);
1128         emit_symbols $glob;
1129     }
1130 }
1131
1132 sub try_symbol {
1133     my $symbol = shift;
1134
1135     return if $symbol !~ /^[A-Za-z_]/;
1136     return if $symbol =~ /^\#/;
1137     $symbol =~s/\r//g;
1138     chomp($symbol);
1139     return if exists $skip{$symbol};
1140     emit_symbol($symbol);
1141 }
1142
1143 while (<DATA>) {
1144     try_symbol($_);
1145 }
1146
1147 if ($PLATFORM =~ /^win(?:32|ce)$/) {
1148     foreach my $symbol (qw(
1149                             setuid
1150                             setgid
1151                             boot_DynaLoader
1152                             Perl_init_os_extras
1153                             Perl_thread_create
1154                             Perl_win32_init
1155                             Perl_win32_term
1156                             RunPerl
1157                             win32_async_check
1158                             win32_errno
1159                             win32_environ
1160                             win32_abort
1161                             win32_fstat
1162                             win32_stat
1163                             win32_pipe
1164                             win32_popen
1165                             win32_pclose
1166                             win32_rename
1167                             win32_setmode
1168                             win32_chsize
1169                             win32_lseek
1170                             win32_tell
1171                             win32_dup
1172                             win32_dup2
1173                             win32_open
1174                             win32_close
1175                             win32_eof
1176                             win32_read
1177                             win32_write
1178                             win32_spawnvp
1179                             win32_mkdir
1180                             win32_rmdir
1181                             win32_chdir
1182                             win32_flock
1183                             win32_execv
1184                             win32_execvp
1185                             win32_htons
1186                             win32_ntohs
1187                             win32_htonl
1188                             win32_ntohl
1189                             win32_inet_addr
1190                             win32_inet_ntoa
1191                             win32_socket
1192                             win32_bind
1193                             win32_listen
1194                             win32_accept
1195                             win32_connect
1196                             win32_send
1197                             win32_sendto
1198                             win32_recv
1199                             win32_recvfrom
1200                             win32_shutdown
1201                             win32_closesocket
1202                             win32_ioctlsocket
1203                             win32_setsockopt
1204                             win32_getsockopt
1205                             win32_getpeername
1206                             win32_getsockname
1207                             win32_gethostname
1208                             win32_gethostbyname
1209                             win32_gethostbyaddr
1210                             win32_getprotobyname
1211                             win32_getprotobynumber
1212                             win32_getservbyname
1213                             win32_getservbyport
1214                             win32_select
1215                             win32_endhostent
1216                             win32_endnetent
1217                             win32_endprotoent
1218                             win32_endservent
1219                             win32_getnetent
1220                             win32_getnetbyname
1221                             win32_getnetbyaddr
1222                             win32_getprotoent
1223                             win32_getservent
1224                             win32_sethostent
1225                             win32_setnetent
1226                             win32_setprotoent
1227                             win32_setservent
1228                             win32_getenv
1229                             win32_putenv
1230                             win32_perror
1231                             win32_malloc
1232                             win32_calloc
1233                             win32_realloc
1234                             win32_free
1235                             win32_sleep
1236                             win32_times
1237                             win32_access
1238                             win32_alarm
1239                             win32_chmod
1240                             win32_open_osfhandle
1241                             win32_get_osfhandle
1242                             win32_ioctl
1243                             win32_link
1244                             win32_unlink
1245                             win32_utime
1246                             win32_gettimeofday
1247                             win32_uname
1248                             win32_wait
1249                             win32_waitpid
1250                             win32_kill
1251                             win32_str_os_error
1252                             win32_opendir
1253                             win32_readdir
1254                             win32_telldir
1255                             win32_seekdir
1256                             win32_rewinddir
1257                             win32_closedir
1258                             win32_longpath
1259                             win32_os_id
1260                             win32_getpid
1261                             win32_crypt
1262                             win32_dynaload
1263                             win32_get_childenv
1264                             win32_free_childenv
1265                             win32_clearenv
1266                             win32_get_childdir
1267                             win32_free_childdir
1268                             win32_stdin
1269                             win32_stdout
1270                             win32_stderr
1271                             win32_ferror
1272                             win32_feof
1273                             win32_strerror
1274                             win32_fprintf
1275                             win32_printf
1276                             win32_vfprintf
1277                             win32_vprintf
1278                             win32_fread
1279                             win32_fwrite
1280                             win32_fopen
1281                             win32_fdopen
1282                             win32_freopen
1283                             win32_fclose
1284                             win32_fputs
1285                             win32_fputc
1286                             win32_ungetc
1287                             win32_getc
1288                             win32_fileno
1289                             win32_clearerr
1290                             win32_fflush
1291                             win32_ftell
1292                             win32_fseek
1293                             win32_fgetpos
1294                             win32_fsetpos
1295                             win32_rewind
1296                             win32_tmpfile
1297                             win32_setbuf
1298                             win32_setvbuf
1299                             win32_flushall
1300                             win32_fcloseall
1301                             win32_fgets
1302                             win32_gets
1303                             win32_fgetc
1304                             win32_putc
1305                             win32_puts
1306                             win32_getchar
1307                             win32_putchar
1308                            ))
1309     {
1310         try_symbol($symbol);
1311     }
1312     if ($CCTYPE eq "BORLAND") {
1313         try_symbol('_matherr');
1314     }
1315 }
1316 elsif ($PLATFORM eq 'os2') {
1317     open MAP, 'miniperl.map' or die 'Cannot read miniperl.map';
1318     /^\s*[\da-f:]+\s+(\w+)/i and $mapped{$1}++ foreach <MAP>;
1319     close MAP or die 'Cannot close miniperl.map';
1320
1321     @missing = grep { !exists $mapped{$_} }
1322                     keys %export;
1323     @missing = grep { !exists $exportperlmalloc{$_} } @missing;
1324     delete $export{$_} foreach @missing;
1325 }
1326 elsif ($PLATFORM eq 'MacOS') {
1327     open MACSYMS, 'macperl.sym' or die 'Cannot read macperl.sym';
1328
1329     while (<MACSYMS>) {
1330         try_symbol($_);
1331     }
1332
1333     close MACSYMS;
1334 }
1335 elsif ($PLATFORM eq 'netware') {
1336 foreach my $symbol (qw(
1337                         boot_DynaLoader
1338                         Perl_init_os_extras
1339                         Perl_thread_create
1340                         Perl_nw5_init
1341                         RunPerl
1342                         AllocStdPerl
1343                         FreeStdPerl
1344                         do_spawn2
1345                         do_aspawn
1346                         nw_uname
1347                         nw_stdin
1348                         nw_stdout
1349                         nw_stderr
1350                         nw_feof
1351                         nw_ferror
1352                         nw_fopen
1353                         nw_fclose
1354                         nw_clearerr
1355                         nw_getc
1356                         nw_fgets
1357                         nw_fputc
1358                         nw_fputs
1359                         nw_fflush
1360                         nw_ungetc
1361                         nw_fileno
1362                         nw_fdopen
1363                         nw_freopen
1364                         nw_fread
1365                         nw_fwrite
1366                         nw_setbuf
1367                         nw_setvbuf
1368                         nw_vfprintf
1369                         nw_ftell
1370                         nw_fseek
1371                         nw_rewind
1372                         nw_tmpfile
1373                         nw_fgetpos
1374                         nw_fsetpos
1375                         nw_dup
1376                         nw_access
1377                         nw_chmod
1378                         nw_chsize
1379                         nw_close
1380                         nw_dup2
1381                         nw_flock
1382                         nw_isatty
1383                         nw_link
1384                         nw_lseek
1385                         nw_stat
1386                         nw_mktemp
1387                         nw_open
1388                         nw_read
1389                         nw_rename
1390                         nw_setmode
1391                         nw_unlink
1392                         nw_utime
1393                         nw_write
1394                         nw_chdir
1395                         nw_rmdir
1396                         nw_closedir
1397                         nw_opendir
1398                         nw_readdir
1399                         nw_rewinddir
1400                         nw_seekdir
1401                         nw_telldir
1402                         nw_htonl
1403                         nw_htons
1404                         nw_ntohl
1405                         nw_ntohs
1406                         nw_accept
1407                         nw_bind
1408                         nw_connect
1409                         nw_endhostent
1410                         nw_endnetent
1411                         nw_endprotoent
1412                         nw_endservent
1413                         nw_gethostbyaddr
1414                         nw_gethostbyname
1415                         nw_gethostent
1416                         nw_gethostname
1417                         nw_getnetbyaddr
1418                         nw_getnetbyname
1419                         nw_getnetent
1420                         nw_getpeername
1421                         nw_getprotobyname
1422                         nw_getprotobynumber
1423                         nw_getprotoent
1424                         nw_getservbyname
1425                         nw_getservbyport
1426                         nw_getservent
1427                         nw_getsockname
1428                         nw_getsockopt
1429                         nw_inet_addr
1430                         nw_listen
1431                         nw_socket
1432                         nw_recv
1433                         nw_recvfrom
1434                         nw_select
1435                         nw_send
1436                         nw_sendto
1437                         nw_sethostent
1438                         nw_setnetent
1439                         nw_setprotoent
1440                         nw_setservent
1441                         nw_setsockopt
1442                         nw_inet_ntoa
1443                         nw_shutdown
1444                         nw_crypt
1445                         nw_execvp
1446                         nw_kill
1447                         nw_Popen
1448                         nw_Pclose
1449                         nw_Pipe
1450                         nw_times
1451                         nw_waitpid
1452                         nw_getpid
1453                         nw_spawnvp
1454                         nw_os_id
1455                         nw_open_osfhandle
1456                         nw_get_osfhandle
1457                         nw_abort
1458                         nw_sleep
1459                         nw_wait
1460                         nw_dynaload
1461                         nw_strerror
1462                         fnFpSetMode
1463                         fnInsertHashListAddrs
1464                         fnGetHashListAddrs
1465                         Perl_deb
1466                         Perl_sv_setsv
1467                         Perl_sv_catsv
1468                         Perl_sv_catpvn
1469                         Perl_sv_2pv
1470                         nw_freeenviron
1471                         Remove_Thread_Ctx
1472                            ))
1473     {
1474         try_symbol($symbol);
1475     }
1476 }
1477
1478 # records of type boot_module for statically linked modules (except Dynaloader)
1479 $static_ext =~ s/\//__/g;
1480 $static_ext =~ s/\bDynaLoader\b//;
1481 my @stat_mods = map {"boot_$_"} grep {/\S/} split /\s+/, $static_ext;
1482 foreach my $symbol (@stat_mods)
1483     {
1484         try_symbol($symbol);
1485     }
1486
1487 # Now all symbols should be defined because
1488 # next we are going to output them.
1489
1490 foreach my $symbol (sort keys %export) {
1491     output_symbol($symbol);
1492 }
1493
1494 if ($PLATFORM eq 'os2') {
1495         print <<EOP;
1496     dll_perlmain=main
1497     fill_extLibpath
1498     dir_subst
1499     Perl_OS2_handler_install
1500
1501 ; LAST_ORDINAL=$sym_ord
1502 EOP
1503 }
1504
1505 sub emit_symbol {
1506     my $symbol = shift;
1507     chomp($symbol);
1508     $export{$symbol} = 1;
1509 }
1510
1511 sub output_symbol {
1512     my $symbol = shift;
1513     if ($PLATFORM =~ /^win(?:32|ce)$/) {
1514         $symbol = "_$symbol" if $CCTYPE eq 'BORLAND';
1515         print "\t$symbol\n";
1516 # XXX: binary compatibility between compilers is an exercise
1517 # in frustration :-(
1518 #        if ($CCTYPE eq "BORLAND") {
1519 #           # workaround Borland quirk by exporting both the straight
1520 #           # name and a name with leading underscore.  Note the
1521 #           # alias *must* come after the symbol itself, if both
1522 #           # are to be exported. (Linker bug?)
1523 #           print "\t_$symbol\n";
1524 #           print "\t$symbol = _$symbol\n";
1525 #       }
1526 #       elsif ($CCTYPE eq 'GCC') {
1527 #           # Symbols have leading _ whole process is $%@"% slow
1528 #           # so skip aliases for now
1529 #           nprint "\t$symbol\n";
1530 #       }
1531 #       else {
1532 #           # for binary coexistence, export both the symbol and
1533 #           # alias with leading underscore
1534 #           print "\t$symbol\n";
1535 #           print "\t_$symbol = $symbol\n";
1536 #       }
1537     }
1538     elsif ($PLATFORM eq 'os2') {
1539         printf qq(    %-31s \@%s\n),
1540           qq("$symbol"), $ordinal{$symbol} || ++$sym_ord;
1541         printf qq(    %-31s \@%s\n),
1542           qq("$exportperlmalloc{$symbol}" = "$symbol"),
1543           $ordinal{$exportperlmalloc{$symbol}} || ++$sym_ord
1544           if $exportperlmalloc and exists $exportperlmalloc{$symbol};
1545     }
1546     elsif ($PLATFORM eq 'aix' || $PLATFORM eq 'MacOS') {
1547         print "$symbol\n";
1548     }
1549         elsif ($PLATFORM eq 'netware') {
1550         print "\t$symbol,\n";
1551         }
1552 }
1553
1554 1;
1555 __DATA__
1556 # extra globals not included above.
1557 Perl_cxinc
1558 perl_alloc
1559 perl_alloc_using
1560 perl_clone
1561 perl_clone_using
1562 perl_construct
1563 perl_destruct
1564 perl_free
1565 perl_parse
1566 perl_run
1567 # Oddities from PerlIO
1568 PerlIO_binmode
1569 PerlIO_getpos
1570 PerlIO_init
1571 PerlIO_setpos
1572 PerlIO_sprintf
1573 PerlIO_sv_dup
1574 PerlIO_tmpfile
1575 PerlIO_vsprintf