makedef.pl

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