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 as well
  10
  11 my $PLATFORM;
  12 my $CCTYPE;
  13
  14 my %bincompat5005 =
  15       (
  16        Perl_call_atexit         =>      "perl_atexit",
  17        Perl_eval_sv             =>      "perl_eval_sv",
  18        Perl_eval_pv             =>      "perl_eval_pv",
  19        Perl_call_argv           =>      "perl_call_argv",
  20        Perl_call_method         =>      "perl_call_method",
  21        Perl_call_pv             =>      "perl_call_pv",
  22        Perl_call_sv             =>      "perl_call_sv",
  23        Perl_get_av              =>      "perl_get_av",
  24        Perl_get_cv              =>      "perl_get_cv",
  25        Perl_get_hv              =>      "perl_get_hv",
  26        Perl_get_sv              =>      "perl_get_sv",
  27        Perl_init_i18nl10n       =>      "perl_init_i18nl10n",
  28        Perl_init_i18nl14n       =>      "perl_init_i18nl14n",
  29        Perl_new_collate         =>      "perl_new_collate",
  30        Perl_new_ctype           =>      "perl_new_ctype",
  31        Perl_new_numeric         =>      "perl_new_numeric",
  32        Perl_require_pv          =>      "perl_require_pv",
  33        Perl_safesyscalloc       =>      "Perl_safecalloc",
  34        Perl_safesysfree         =>      "Perl_safefree",
  35        Perl_safesysmalloc       =>      "Perl_safemalloc",
  36        Perl_safesysrealloc      =>      "Perl_saferealloc",
  37        Perl_set_numeric_local   =>      "perl_set_numeric_local",
  38        Perl_set_numeric_standard  =>    "perl_set_numeric_standard",
  39        Perl_malloc              =>      "malloc",
  40        Perl_mfree               =>      "free",
  41        Perl_realloc             =>      "realloc",
  42        Perl_calloc              =>      "calloc",
  43       );
  44
  45 my $bincompat5005 = join("|", keys %bincompat5005);
  46
  47 while (@ARGV) {
  48     my $flag = shift;
  49     $define{$1} = 1 if ($flag =~ /^-D(\w+)$/);
  50     $define{$1} = $2 if ($flag =~ /^-D(\w+)=(.+)$/);
  51     $CCTYPE   = $1 if ($flag =~ /^CCTYPE=(\w+)$/);
  52     $PLATFORM = $1 if ($flag =~ /^PLATFORM=(\w+)$/);
  53 }
  54
  55 my @PLATFORM = qw(aix win32 os2 MacOS);
  56 my %PLATFORM;
  57 @PLATFORM{@PLATFORM} = ();
  58
  59 defined $PLATFORM || die "PLATFORM undefined, must be one of: @PLATFORM\n";
  60 exists $PLATFORM{$PLATFORM} || die "PLATFORM must be one of: @PLATFORM\n";
  61
  62 my $config_sh   = "config.sh";
  63 my $config_h    = "config.h";
  64 my $thrdvar_h   = "thrdvar.h";
  65 my $intrpvar_h  = "intrpvar.h";
  66 my $perlvars_h  = "perlvars.h";
  67 my $global_sym  = "global.sym";
  68 my $pp_sym      = "pp.sym";
  69 my $globvar_sym = "globvar.sym";
  70 my $perlio_sym  = "perlio.sym";
  71
  72 if ($PLATFORM eq 'aix') {
  73     # Nothing for now.
  74 }
  75 elsif ($PLATFORM eq 'win32') {
  76     $CCTYPE = "MSVC" unless defined $CCTYPE;
  77     foreach ($thrdvar_h, $intrpvar_h, $perlvars_h, $global_sym,
  78                 $pp_sym, $globvar_sym, $perlio_sym) {
  79         s!^!..\\!;
  80     }
  81 }
  82 elsif ($PLATFORM eq 'MacOS') {
  83     foreach ($thrdvar_h, $intrpvar_h, $perlvars_h, $global_sym,
  84                 $pp_sym, $globvar_sym, $perlio_sym) {
  85         s!^!::!;
  86     }
  87 }
  88
  89 unless ($PLATFORM eq 'win32' || $PLATFORM eq 'MacOS') {
  90     open(CFG,$config_sh) || die "Cannot open $config_sh: $!\n";
  91     while (<CFG>) {
  92         if (/^(?:ccflags|optimize)='(.+)'$/) {
  93             $_ = $1;
  94             $define{$1} = 1 while /-D(\w+)/g;
  95         }
  96         if ($PLATFORM eq 'os2') {
  97             $CONFIG_ARGS = $1 if /^(?:config_args)='(.+)'$/;
  98             $ARCHNAME =    $1 if /^(?:archname)='(.+)'$/;
  99         }
 100     }
 101     close(CFG);
 102 }
 103
 104 open(CFG,$config_h) || die "Cannot open $config_h: $!\n";
 105 while (<CFG>) {
 106     $define{$1} = 1 if /^\s*#\s*define\s+(MYMALLOC)\b/;
 107     $define{$1} = 1 if /^\s*#\s*define\s+(MULTIPLICITY)\b/;
 108     $define{$1} = 1 if /^\s*#\s*define\s+(PERL_\w+)\b/;
 109     $define{$1} = 1 if /^\s*#\s*define\s+(USE_\w+)\b/;
 110 }
 111 close(CFG);
 112
 113 # perl.h logic duplication begins
 114
 115 if ($define{USE_ITHREADS}) {
 116     if (!$define{MULTIPLICITY} && !$define{PERL_OBJECT}) {
 117         $define{MULTIPLICITY} = 1;
 118     }
 119 }
 120
 121 $define{PERL_IMPLICIT_CONTEXT} ||=
 122     $define{USE_ITHREADS} ||
 123     $define{USE_5005THREADS}  ||
 124     $define{MULTIPLICITY} ;
 125
 126 if ($define{PERL_CAPI}) {
 127     delete $define{PERL_OBJECT};
 128     $define{MULTIPLICITY} = 1;
 129     $define{PERL_IMPLICIT_CONTEXT} = 1;
 130     $define{PERL_IMPLICIT_SYS}     = 1;
 131 }
 132
 133 if ($define{PERL_OBJECT}) {
 134     $define{PERL_IMPLICIT_CONTEXT} = 1;
 135     $define{PERL_IMPLICIT_SYS}     = 1;
 136 }
 137
 138 # perl.h logic duplication ends
 139
 140 if ($PLATFORM eq 'win32') {
 141     warn join(' ',keys %define)."\n";
 142     print "LIBRARY Perl57\n";
 143     print "DESCRIPTION 'Perl interpreter'\n";
 144     print "EXPORTS\n";
 145     if ($define{PERL_IMPLICIT_SYS}) {
 146         output_symbol("perl_get_host_info");
 147         output_symbol("perl_alloc_override");
 148     }
 149 }
 150 elsif ($PLATFORM eq 'os2') {
 151     ($v = $]) =~ s/(\d\.\d\d\d)(\d\d)$/$1_$2/;
 152     $v .= '-thread' if $ARCHNAME =~ /-thread/;
 153     ($dll = $define{PERL_DLL}) =~ s/\.dll$//i;
 154     print <<"---EOP---";
 155 LIBRARY '$dll' INITINSTANCE TERMINSTANCE
 156 DESCRIPTION '\@#perl5-porters\@perl.org:$v#\@ Perl interpreter'
 157 STACKSIZE 32768
 158 CODE LOADONCALL
 159 DATA LOADONCALL NONSHARED MULTIPLE
 160 EXPORTS
 161 ---EOP---
 162 }
 163 elsif ($PLATFORM eq 'aix') {
 164     print "#!\n";
 165 }
 166
 167 my %skip;
 168 my %export;
 169
 170 sub skip_symbols {
 171     my $list = shift;
 172     foreach my $symbol (@$list) {
 173         $skip{$symbol} = 1;
 174     }
 175 }
 176
 177 sub emit_symbols {
 178     my $list = shift;
 179     foreach my $symbol (@$list) {
 180         my $skipsym = $symbol;
 181         # XXX hack
 182         if ($define{PERL_OBJECT} || $define{MULTIPLICITY}) {
 183             $skipsym =~ s/^Perl_[GIT](\w+)_ptr$/PL_$1/;
 184         }
 185         emit_symbol($symbol) unless exists $skip{$skipsym};
 186     }
 187 }
 188
 189 if ($PLATFORM eq 'win32') {
 190     skip_symbols [qw(
 191                      PL_statusvalue_vms
 192                      PL_archpat_auto
 193                      PL_cryptseen
 194                      PL_DBcv
 195                      PL_generation
 196                      PL_lastgotoprobe
 197                      PL_linestart
 198                      PL_modcount
 199                      PL_pending_ident
 200                      PL_sortcxix
 201                      PL_sublex_info
 202                      PL_timesbuf
 203                      main
 204                      Perl_ErrorNo
 205                      Perl_GetVars
 206                      Perl_do_exec3
 207                      Perl_do_ipcctl
 208                      Perl_do_ipcget
 209                      Perl_do_msgrcv
 210                      Perl_do_msgsnd
 211                      Perl_do_semop
 212                      Perl_do_shmio
 213                      Perl_dump_fds
 214                      Perl_init_thread_intern
 215                      Perl_my_bzero
 216                      Perl_my_htonl
 217                      Perl_my_ntohl
 218                      Perl_my_swap
 219                      Perl_my_chsize
 220                      Perl_same_dirent
 221                      Perl_setenv_getix
 222                      Perl_unlnk
 223                      Perl_watch
 224                      Perl_safexcalloc
 225                      Perl_safexmalloc
 226                      Perl_safexfree
 227                      Perl_safexrealloc
 228                      Perl_my_memcmp
 229                      Perl_my_memset
 230                      PL_cshlen
 231                      PL_cshname
 232                      PL_opsave
 233                      Perl_do_exec
 234                      Perl_getenv_len
 235                      Perl_my_pclose
 236                      Perl_my_popen
 237                      )];
 238 }
 239 elsif ($PLATFORM eq 'aix') {
 240     skip_symbols([qw(
 241                      Perl_dump_fds
 242                      Perl_ErrorNo
 243                      Perl_GetVars
 244                      Perl_my_bcopy
 245                      Perl_my_bzero
 246                      Perl_my_chsize
 247                      Perl_my_htonl
 248                      Perl_my_memcmp
 249                      Perl_my_memset
 250                      Perl_my_ntohl
 251                      Perl_my_swap
 252                      Perl_safexcalloc
 253                      Perl_safexfree
 254                      Perl_safexmalloc
 255                      Perl_safexrealloc
 256                      Perl_same_dirent
 257                      Perl_unlnk
 258                      Perl_sys_intern_clear
 259                      Perl_sys_intern_dup
 260                      Perl_sys_intern_init
 261                      PL_cryptseen
 262                      PL_opsave
 263                      PL_statusvalue_vms
 264                      PL_sys_intern
 265                      )]);
 266 }
 267 elsif ($PLATFORM eq 'os2') {
 268     emit_symbols([qw(
 269                     ctermid
 270                     get_sysinfo
 271                     Perl_OS2_init
 272                     OS2_Perl_data
 273                     dlopen
 274                     dlsym
 275                     dlerror
 276                     dlclose
 277                     my_tmpfile
 278                     my_tmpnam
 279                     my_flock
 280                     malloc_mutex
 281                     threads_mutex
 282                     nthreads
 283                     nthreads_cond
 284                     os2_cond_wait
 285                     os2_stat
 286                     pthread_join
 287                     pthread_create
 288                     pthread_detach
 289                     XS_Cwd_change_drive
 290                     XS_Cwd_current_drive
 291                     XS_Cwd_extLibpath
 292                     XS_Cwd_extLibpath_set
 293                     XS_Cwd_sys_abspath
 294                     XS_Cwd_sys_chdir
 295                     XS_Cwd_sys_cwd
 296                     XS_Cwd_sys_is_absolute
 297                     XS_Cwd_sys_is_relative
 298                     XS_Cwd_sys_is_rooted
 299                     XS_DynaLoader_mod2fname
 300                     XS_File__Copy_syscopy
 301                     Perl_Register_MQ
 302                     Perl_Deregister_MQ
 303                     Perl_Serve_Messages
 304                     Perl_Process_Messages
 305                     init_PMWIN_entries
 306                     PMWIN_entries
 307                     Perl_hab_GET
 308                     )]);
 309 }
 310 elsif ($PLATFORM eq 'MacOS') {
 311     skip_symbols [qw(
 312                     Perl_GetVars
 313                     PL_cryptseen
 314                     PL_cshlen
 315                     PL_cshname
 316                     PL_statusvalue_vms
 317                     PL_sys_intern
 318                     PL_opsave
 319                     PL_timesbuf
 320                     Perl_dump_fds
 321                     Perl_my_bcopy
 322                     Perl_my_bzero
 323                     Perl_my_chsize
 324                     Perl_my_htonl
 325                     Perl_my_memcmp
 326                     Perl_my_memset
 327                     Perl_my_ntohl
 328                     Perl_my_swap
 329                     Perl_safexcalloc
 330                     Perl_safexfree
 331                     Perl_safexmalloc
 332                     Perl_safexrealloc
 333                     Perl_unlnk
 334                     Perl_sys_intern_clear
 335                     Perl_sys_intern_init
 336                     )];
 337 }
 338
 339
 340 unless ($define{'DEBUGGING'}) {
 341     skip_symbols [qw(
 342                     Perl_deb_growlevel
 343                     Perl_debop
 344                     Perl_debprofdump
 345                     Perl_debstack
 346                     Perl_debstackptrs
 347                     Perl_runops_debug
 348                     Perl_sv_peek
 349                     PL_block_type
 350                     PL_watchaddr
 351                     PL_watchok
 352                     )];
 353 }
 354
 355 if ($define{'PERL_IMPLICIT_SYS'}) {
 356     skip_symbols [qw(
 357                     Perl_getenv_len
 358                     Perl_my_popen
 359                     Perl_my_pclose
 360                     )];
 361 }
 362 else {
 363     skip_symbols [qw(
 364                     PL_Mem
 365                     PL_MemShared
 366                     PL_MemParse
 367                     PL_Env
 368                     PL_StdIO
 369                     PL_LIO
 370                     PL_Dir
 371                     PL_Sock
 372                     PL_Proc
 373                     )];
 374 }
 375
 376 unless ($define{'PERL_FLEXIBLE_EXCEPTIONS'}) {
 377     skip_symbols [qw(
 378                     PL_protect
 379                     Perl_default_protect
 380                     Perl_vdefault_protect
 381                     )];
 382 }
 383
 384 if ($define{'MYMALLOC'}) {
 385     emit_symbols [qw(
 386                     Perl_dump_mstats
 387                     Perl_get_mstats
 388                     Perl_malloc
 389                     Perl_mfree
 390                     Perl_realloc
 391                     Perl_calloc
 392                     )];
 393     if ($define{'USE_5005THREADS'} || $define{'USE_ITHREADS'}) {
 394         emit_symbols [qw(
 395                         PL_malloc_mutex
 396                         )];
 397     }
 398     else {
 399         skip_symbols [qw(
 400                         PL_malloc_mutex
 401                         )];
 402     }
 403 }
 404 else {
 405     skip_symbols [qw(
 406                     PL_malloc_mutex
 407                     Perl_dump_mstats
 408                     Perl_get_mstats
 409                     Perl_malloc
 410                     Perl_mfree
 411                     Perl_realloc
 412                     Perl_calloc
 413                     Perl_malloced_size
 414                     )];
 415 }
 416
 417 unless ($define{'USE_5005THREADS'} || $define{'USE_ITHREADS'}) {
 418     skip_symbols [qw(
 419                     PL_thr_key
 420                     )];
 421 }
 422
 423 unless ($define{'USE_5005THREADS'}) {
 424     skip_symbols [qw(
 425                     PL_sv_mutex
 426                     PL_strtab_mutex
 427                     PL_svref_mutex
 428                     PL_cred_mutex
 429                     PL_eval_mutex
 430                     PL_fdpid_mutex
 431                     PL_sv_lock_mutex
 432                     PL_eval_cond
 433                     PL_eval_owner
 434                     PL_threads_mutex
 435                     PL_nthreads
 436                     PL_nthreads_cond
 437                     PL_threadnum
 438                     PL_threadsv_names
 439                     PL_thrsv
 440                     PL_vtbl_mutex
 441                     Perl_condpair_magic
 442                     Perl_new_struct_thread
 443                     Perl_per_thread_magicals
 444                     Perl_thread_create
 445                     Perl_find_threadsv
 446                     Perl_unlock_condpair
 447                     Perl_magic_mutexfree
 448                     Perl_sv_lock
 449                     )];
 450 }
 451
 452 unless ($define{'USE_ITHREADS'}) {
 453     skip_symbols [qw(
 454                     PL_ptr_table
 455                     PL_op_mutex
 456                     Perl_dirp_dup
 457                     Perl_cx_dup
 458                     Perl_si_dup
 459                     Perl_any_dup
 460                     Perl_ss_dup
 461                     Perl_fp_dup
 462                     Perl_gp_dup
 463                     Perl_he_dup
 464                     Perl_mg_dup
 465                     Perl_re_dup
 466                     Perl_sv_dup
 467                     Perl_sys_intern_dup
 468                     Perl_ptr_table_clear
 469                     Perl_ptr_table_fetch
 470                     Perl_ptr_table_free
 471                     Perl_ptr_table_new
 472                     Perl_ptr_table_clear
 473                     Perl_ptr_table_free
 474                     Perl_ptr_table_split
 475                     Perl_ptr_table_store
 476                     perl_clone
 477                     perl_clone_using
 478                     )];
 479 }
 480
 481 unless ($define{'PERL_IMPLICIT_CONTEXT'}) {
 482     skip_symbols [qw(
 483                     Perl_croak_nocontext
 484                     Perl_die_nocontext
 485                     Perl_deb_nocontext
 486                     Perl_form_nocontext
 487                     Perl_load_module_nocontext
 488                     Perl_mess_nocontext
 489                     Perl_warn_nocontext
 490                     Perl_warner_nocontext
 491                     Perl_newSVpvf_nocontext
 492                     Perl_sv_catpvf_nocontext
 493                     Perl_sv_setpvf_nocontext
 494                     Perl_sv_catpvf_mg_nocontext
 495                     Perl_sv_setpvf_mg_nocontext
 496                     )];
 497 }
 498
 499 unless ($define{'PERL_IMPLICIT_SYS'}) {
 500     skip_symbols [qw(
 501                     perl_alloc_using
 502                     perl_clone_using
 503                     )];
 504 }
 505
 506 unless ($define{'FAKE_THREADS'}) {
 507     skip_symbols [qw(PL_curthr)];
 508 }
 509
 510 sub readvar {
 511     my $file = shift;
 512     my $proc = shift || sub { "PL_$_[2]" };
 513     open(VARS,$file) || die "Cannot open $file: $!\n";
 514     my @syms;
 515     while (<VARS>) {
 516         # All symbols have a Perl_ prefix because that's what embed.h
 517         # sticks in front of them.
 518         push(@syms, &$proc($1,$2,$3)) if (/\bPERLVAR(A?I?C?)\(([IGT])(\w+)/);
 519     }
 520     close(VARS);
 521     return \@syms;
 522 }
 523
 524 if ($define{'USE_5005THREADS'}) {
 525     my $thrd = readvar($thrdvar_h);
 526     skip_symbols $thrd;
 527 }
 528
 529 if ($define{'PERL_GLOBAL_STRUCT'}) {
 530     my $global = readvar($perlvars_h);
 531     skip_symbols $global;
 532     emit_symbol('Perl_GetVars');
 533     emit_symbols [qw(PL_Vars PL_VarsPtr)] unless $CCTYPE eq 'GCC';
 534 }
 535
 536 # functions from *.sym files
 537
 538 my @syms = ($global_sym, $globvar_sym); # $pp_sym is not part of the API
 539
 540 if ($define{'USE_PERLIO'}) {
 541     push @syms, $perlio_sym;
 542     if ($define{'USE_SFIO'}) {
 543         # SFIO defines most of the PerlIO routines as macros
 544         skip_symbols [qw(
 545                          PerlIO_canset_cnt
 546                          PerlIO_clearerr
 547                          PerlIO_close
 548                          PerlIO_eof
 549                          PerlIO_error
 550                          PerlIO_exportFILE
 551                          PerlIO_fast_gets
 552                          PerlIO_fdopen
 553                          PerlIO_fileno
 554                          PerlIO_findFILE
 555                          PerlIO_flush
 556                          PerlIO_get_base
 557                          PerlIO_get_bufsiz
 558                          PerlIO_get_cnt
 559                          PerlIO_get_ptr
 560                          PerlIO_getc
 561                          PerlIO_getname
 562                          PerlIO_has_base
 563                          PerlIO_has_cntptr
 564                          PerlIO_importFILE
 565                          PerlIO_open
 566                          PerlIO_printf
 567                          PerlIO_putc
 568                          PerlIO_puts
 569                          PerlIO_read
 570                          PerlIO_releaseFILE
 571                          PerlIO_reopen
 572                          PerlIO_rewind
 573                          PerlIO_seek
 574                          PerlIO_set_cnt
 575                          PerlIO_set_ptrcnt
 576                          PerlIO_setlinebuf
 577                          PerlIO_sprintf
 578                          PerlIO_stderr
 579                          PerlIO_stdin
 580                          PerlIO_stdout
 581                          PerlIO_stdoutf
 582                          PerlIO_tell
 583                          PerlIO_ungetc
 584                          PerlIO_vprintf
 585                          PerlIO_write
 586                          )];
 587     }
 588     else {
 589         # Skip the PerlIO New Generation symbols.
 590         skip_symbols [qw(
 591                          PerlIOBase_clearerr
 592                          PerlIOBase_close
 593                          PerlIOBase_eof
 594                          PerlIOBase_error
 595                          PerlIOBase_fileno
 596                          PerlIOBuf_bufsiz
 597                          PerlIOBuf_fdopen
 598                          PerlIOBuf_fill
 599                          PerlIOBuf_flush
 600                          PerlIOBuf_get_cnt
 601                          PerlIOBuf_get_ptr
 602                          PerlIOBuf_open
 603                          PerlIOBuf_pushed
 604                          PerlIOBuf_read
 605                          PerlIOBuf_reopen
 606                          PerlIOBuf_seek
 607                          PerlIOBuf_set_ptrcnt
 608                          PerlIOBuf_setlinebuf
 609                          PerlIOBuf_tell
 610                          PerlIOBuf_unread
 611                          PerlIOBuf_write
 612                          PerlIO_define_layer
 613                          PerlIO_pending
 614                          PerlIO_push
 615                          PerlIO_unread
 616                         )];
 617     }
 618 }
 619
 620 for my $syms (@syms) {
 621     open (GLOBAL, "<$syms") || die "failed to open $syms: $!\n";
 622     while (<GLOBAL>) {
 623         next if (!/^[A-Za-z]/);
 624         # Functions have a Perl_ prefix
 625         # Variables have a PL_ prefix
 626         chomp($_);
 627         my $symbol = ($syms =~ /var\.sym$/i ? "PL_" : "");
 628         $symbol .= $_;
 629         emit_symbol($symbol) unless exists $skip{$symbol};
 630     }
 631     close(GLOBAL);
 632 }
 633
 634 # variables
 635
 636 if ($define{'PERL_OBJECT'} || $define{'MULTIPLICITY'}) {
 637     for my $f ($perlvars_h, $intrpvar_h, $thrdvar_h) {
 638         my $glob = readvar($f, sub { "Perl_" . $_[1] . $_[2] . "_ptr" });
 639         emit_symbols $glob;
 640     }
 641     # XXX AIX seems to want the perlvars.h symbols, for some reason
 642     if ($PLATFORM eq 'aix') {
 643         my $glob = readvar($perlvars_h);
 644         emit_symbols $glob;
 645     }
 646 }
 647 else {
 648     unless ($define{'PERL_GLOBAL_STRUCT'}) {
 649         my $glob = readvar($perlvars_h);
 650         emit_symbols $glob;
 651     }
 652     unless ($define{'MULTIPLICITY'}) {
 653         my $glob = readvar($intrpvar_h);
 654         emit_symbols $glob;
 655     }
 656     unless ($define{'MULTIPLICITY'} || $define{'USE_5005THREADS'}) {
 657         my $glob = readvar($thrdvar_h);
 658         emit_symbols $glob;
 659     }
 660 }
 661
 662 sub try_symbol {
 663     my $symbol = shift;
 664
 665     return if $symbol !~ /^[A-Za-z]/;
 666     return if $symbol =~ /^\#/;
 667     $symbol =~s/\r//g;
 668     chomp($symbol);
 669     return if exists $skip{$symbol};
 670     emit_symbol($symbol);
 671 }
 672
 673 while (<DATA>) {
 674     try_symbol($_);
 675 }
 676
 677 if ($PLATFORM eq 'win32') {
 678     foreach my $symbol (qw(
 679                             setuid
 680                             setgid
 681                             boot_DynaLoader
 682                             Perl_init_os_extras
 683                             Perl_thread_create
 684                             Perl_win32_init
 685                             RunPerl
 686                             win32_errno
 687                             win32_environ
 688                             win32_abort
 689                             win32_fstat
 690                             win32_stat
 691                             win32_pipe
 692                             win32_popen
 693                             win32_pclose
 694                             win32_rename
 695                             win32_setmode
 696                             win32_lseek
 697                             win32_tell
 698                             win32_dup
 699                             win32_dup2
 700                             win32_open
 701                             win32_close
 702                             win32_eof
 703                             win32_read
 704                             win32_write
 705                             win32_spawnvp
 706                             win32_mkdir
 707                             win32_rmdir
 708                             win32_chdir
 709                             win32_flock
 710                             win32_execv
 711                             win32_execvp
 712                             win32_htons
 713                             win32_ntohs
 714                             win32_htonl
 715                             win32_ntohl
 716                             win32_inet_addr
 717                             win32_inet_ntoa
 718                             win32_socket
 719                             win32_bind
 720                             win32_listen
 721                             win32_accept
 722                             win32_connect
 723                             win32_send
 724                             win32_sendto
 725                             win32_recv
 726                             win32_recvfrom
 727                             win32_shutdown
 728                             win32_closesocket
 729                             win32_ioctlsocket
 730                             win32_setsockopt
 731                             win32_getsockopt
 732                             win32_getpeername
 733                             win32_getsockname
 734                             win32_gethostname
 735                             win32_gethostbyname
 736                             win32_gethostbyaddr
 737                             win32_getprotobyname
 738                             win32_getprotobynumber
 739                             win32_getservbyname
 740                             win32_getservbyport
 741                             win32_select
 742                             win32_endhostent
 743                             win32_endnetent
 744                             win32_endprotoent
 745                             win32_endservent
 746                             win32_getnetent
 747                             win32_getnetbyname
 748                             win32_getnetbyaddr
 749                             win32_getprotoent
 750                             win32_getservent
 751                             win32_sethostent
 752                             win32_setnetent
 753                             win32_setprotoent
 754                             win32_setservent
 755                             win32_getenv
 756                             win32_putenv
 757                             win32_perror
 758                             win32_malloc
 759                             win32_calloc
 760                             win32_realloc
 761                             win32_free
 762                             win32_sleep
 763                             win32_times
 764                             win32_access
 765                             win32_alarm
 766                             win32_chmod
 767                             win32_open_osfhandle
 768                             win32_get_osfhandle
 769                             win32_ioctl
 770                             win32_link
 771                             win32_unlink
 772                             win32_utime
 773                             win32_uname
 774                             win32_wait
 775                             win32_waitpid
 776                             win32_kill
 777                             win32_str_os_error
 778                             win32_opendir
 779                             win32_readdir
 780                             win32_telldir
 781                             win32_seekdir
 782                             win32_rewinddir
 783                             win32_closedir
 784                             win32_longpath
 785                             win32_os_id
 786                             win32_getpid
 787                             win32_crypt
 788                             win32_dynaload
 789
 790                             win32_stdin
 791                             win32_stdout
 792                             win32_stderr
 793                             win32_ferror
 794                             win32_feof
 795                             win32_strerror
 796                             win32_fprintf
 797                             win32_printf
 798                             win32_vfprintf
 799                             win32_vprintf
 800                             win32_fread
 801                             win32_fwrite
 802                             win32_fopen
 803                             win32_fdopen
 804                             win32_freopen
 805                             win32_fclose
 806                             win32_fputs
 807                             win32_fputc
 808                             win32_ungetc
 809                             win32_getc
 810                             win32_fileno
 811                             win32_clearerr
 812                             win32_fflush
 813                             win32_ftell
 814                             win32_fseek
 815                             win32_fgetpos
 816                             win32_fsetpos
 817                             win32_rewind
 818                             win32_tmpfile
 819                             win32_setbuf
 820                             win32_setvbuf
 821                             win32_flushall
 822                             win32_fcloseall
 823                             win32_fgets
 824                             win32_gets
 825                             win32_fgetc
 826                             win32_putc
 827                             win32_puts
 828                             win32_getchar
 829                             win32_putchar
 830                            ))
 831     {
 832         try_symbol($symbol);
 833     }
 834 }
 835 elsif ($PLATFORM eq 'os2') {
 836     open MAP, 'miniperl.map' or die 'Cannot read miniperl.map';
 837     /^\s*[\da-f:]+\s+(\w+)/i and $mapped{$1}++ foreach <MAP>;
 838     close MAP or die 'Cannot close miniperl.map';
 839
 840     @missing = grep { !exists $mapped{$_} and !exists $bincompat5005{$_} }
 841                     keys %export;
 842     delete $export{$_} foreach @missing;
 843 }
 844 elsif ($PLATFORM eq 'MacOS') {
 845     open MACSYMS, 'macperl.sym' or die 'Cannot read macperl.sym';
 846
 847     while (<MACSYMS>) {
 848         try_symbol($_);
 849     }
 850
 851     close MACSYMS;
 852 }
 853
 854 # Now all symbols should be defined because
 855 # next we are going to output them.
 856
 857 foreach my $symbol (sort keys %export) {
 858     output_symbol($symbol);
 859 }
 860
 861 sub emit_symbol {
 862     my $symbol = shift;
 863     chomp($symbol);
 864     $export{$symbol} = 1;
 865 }
 866
 867 sub output_symbol {
 868     my $symbol = shift;
 869     $symbol = $bincompat5005{$symbol}
 870         if $define{PERL_BINCOMPAT_5005} and $symbol =~ /^($bincompat5005)$/;
 871     if ($PLATFORM eq 'win32') {
 872         $symbol = "_$symbol" if $CCTYPE eq 'BORLAND';
 873         print "\t$symbol\n";
 874 # XXX: binary compatibility between compilers is an exercise
 875 # in frustration :-(
 876 #        if ($CCTYPE eq "BORLAND") {
 877 #           # workaround Borland quirk by exporting both the straight
 878 #           # name and a name with leading underscore.  Note the
 879 #           # alias *must* come after the symbol itself, if both
 880 #           # are to be exported. (Linker bug?)
 881 #           print "\t_$symbol\n";
 882 #           print "\t$symbol = _$symbol\n";
 883 #       }
 884 #       elsif ($CCTYPE eq 'GCC') {
 885 #           # Symbols have leading _ whole process is $%@"% slow
 886 #           # so skip aliases for now
 887 #           nprint "\t$symbol\n";
 888 #       }
 889 #       else {
 890 #           # for binary coexistence, export both the symbol and
 891 #           # alias with leading underscore
 892 #           print "\t$symbol\n";
 893 #           print "\t_$symbol = $symbol\n";
 894 #       }
 895     }
 896     elsif ($PLATFORM eq 'os2') {
 897         print qq(    "$symbol"\n);
 898     }
 899     elsif ($PLATFORM eq 'aix' || $PLATFORM eq 'MacOS') {
 900         print "$symbol\n";
 901     }
 902 }
 903
 904 1;
 905 __DATA__
 906 # extra globals not included above.
 907 perl_alloc
 908 perl_alloc_using
 909 perl_clone
 910 perl_clone_using
 911 perl_construct
 912 perl_destruct
 913 perl_free
 914 perl_parse
 915 perl_run
 916 PerlIO_define_layer
 917 PerlIOBuf_set_ptrcnt
 918 PerlIOBuf_get_cnt
 919 PerlIOBuf_get_ptr
 920 PerlIOBuf_bufsiz
 921 PerlIOBuf_setlinebuf
 922 PerlIOBase_clearerr
 923 PerlIOBase_error
 924 PerlIOBase_eof
 925 PerlIOBuf_tell
 926 PerlIOBuf_seek
 927 PerlIOBuf_write
 928 PerlIOBuf_unread
 929 PerlIOBuf_read
 930 PerlIOBuf_reopen
 931 PerlIOBuf_open
 932 PerlIOBuf_fdopen
 933 PerlIOBase_fileno
 934 PerlIOBuf_pushed
 935 PerlIOBuf_fill
 936 PerlIOBuf_flush
 937 PerlIOBase_close
 938 PerlIO_define_layer
 939 PerlIO_pending
 940 PerlIO_unread
 941 PerlIO_push
 942 PerlIO_apply_layers
 943 perlsio_binmode
 944 PerlIO_binmode
 945 PerlIO_init
 946 PerlIO_tmpfile
 947 PerlIO_setpos
 948 PerlIO_getpos
 949 PerlIO_vsprintf
 950 PerlIO_sprintf