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 #
   7 # reads global.sym, pp.sym, perlvars.h, intrpvar.h, thrdvar.h, config.h
   8 # On OS/2 reads miniperl.map as well
   9
  10 my $PLATFORM;
  11 my $CCTYPE;
  12
  13 my %bincompat5005 =
  14       (
  15        Perl_call_atexit         =>      "perl_atexit",
  16        Perl_eval_sv             =>      "perl_eval_sv",
  17        Perl_eval_pv             =>      "perl_eval_pv",
  18        Perl_call_argv           =>      "perl_call_argv",
  19        Perl_call_method         =>      "perl_call_method",
  20        Perl_call_pv             =>      "perl_call_pv",
  21        Perl_call_sv             =>      "perl_call_sv",
  22        Perl_get_av              =>      "perl_get_av",
  23        Perl_get_cv              =>      "perl_get_cv",
  24        Perl_get_hv              =>      "perl_get_hv",
  25        Perl_get_sv              =>      "perl_get_sv",
  26        Perl_init_i18nl10n       =>      "perl_init_i18nl10n",
  27        Perl_init_i18nl14n       =>      "perl_init_i18nl14n",
  28        Perl_new_collate         =>      "perl_new_collate",
  29        Perl_new_ctype           =>      "perl_new_ctype",
  30        Perl_new_numeric         =>      "perl_new_numeric",
  31        Perl_require_pv          =>      "perl_require_pv",
  32        Perl_safesyscalloc       =>      "Perl_safecalloc",
  33        Perl_safesysfree         =>      "Perl_safefree",
  34        Perl_safesysmalloc       =>      "Perl_safemalloc",
  35        Perl_safesysrealloc      =>      "Perl_saferealloc",
  36        Perl_set_numeric_local   =>      "perl_set_numeric_local",
  37        Perl_set_numeric_standard  =>    "perl_set_numeric_standard",
  38        Perl_malloc              =>      "malloc",
  39        Perl_mfree               =>      "free",
  40        Perl_realloc             =>      "realloc",
  41        Perl_calloc              =>      "calloc",
  42       );
  43
  44 my $bincompat5005 = join("|", keys %bincompat5005);
  45
  46 while (@ARGV) {
  47     my $flag = shift;
  48     $define{$1} = 1 if ($flag =~ /^-D(\w+)$/);
  49     $define{$1} = $2 if ($flag =~ /^-D(\w+)=(.+)$/);
  50     $CCTYPE   = $1 if ($flag =~ /^CCTYPE=(\w+)$/);
  51     $PLATFORM = $1 if ($flag =~ /^PLATFORM=(\w+)$/);
  52 }
  53
  54 my @PLATFORM = qw(aix win32 os2);
  55 my %PLATFORM;
  56 @PLATFORM{@PLATFORM} = ();
  57
  58 defined $PLATFORM || die "PLATFORM undefined, must be one of: @PLATFORM\n";
  59 exists $PLATFORM{$PLATFORM} || die "PLATFORM must be one of: @PLATFORM\n";
  60
  61 my $config_sh   = "config.sh";
  62 my $config_h    = "config.h";
  63 my $thrdvar_h   = "thrdvar.h";
  64 my $intrpvar_h  = "intrpvar.h";
  65 my $perlvars_h  = "perlvars.h";
  66 my $global_sym  = "global.sym";
  67 my $pp_sym      = "pp.sym";
  68 my $globvar_sym = "globvar.sym";
  69 my $perlio_sym  = "perlio.sym";
  70
  71 if ($PLATFORM eq 'aix') {
  72     # Nothing for now.
  73 }
  74 elsif ($PLATFORM eq 'win32') {
  75     $CCTYPE = "MSVC" unless defined $CCTYPE;
  76     foreach ($thrdvar_h, $intrpvar_h, $perlvars_h, $global_sym, $pp_sym, $globvar_sym) {
  77         s!^!..\\!;
  78     }
  79 }
  80
  81 unless ($PLATFORM eq 'win32') {
  82     open(CFG,$config_sh) || die "Cannot open $config_sh: $!\n";
  83     while (<CFG>) {
  84         if (/^(?:ccflags|optimize)='(.+)'$/) {
  85             $_ = $1;
  86             $define{$1} = 1 while /-D(\w+)/g;
  87         }
  88         if ($PLATFORM eq 'os2') {
  89             $CONFIG_ARGS = $1 if /^(?:config_args)='(.+)'$/;
  90             $ARCHNAME = $1 if /^(?:archname)='(.+)'$/;
  91         }
  92     }
  93     close(CFG);
  94 }
  95
  96 open(CFG,$config_h) || die "Cannot open $config_h: $!\n";
  97 while (<CFG>) {
  98     $define{$1} = 1 if /^\s*#\s*define\s+(MYMALLOC)\b/;
  99     $define{$1} = 1 if /^\s*#\s*define\s+(USE_5005THREADS)\b/;
 100     $define{$1} = 1 if /^\s*#\s*define\s+(USE_ITHREADS)\b/;
 101     $define{$1} = 1 if /^\s*#\s*define\s+(USE_PERLIO)\b/;
 102     $define{$1} = 1 if /^\s*#\s*define\s+(MULTIPLICITY)\b/;
 103     $define{$1} = 1 if /^\s*#\s*define\s+(PERL_IMPLICIT_SYS)\b/;
 104     $define{$1} = 1 if /^\s*#\s*define\s+(PERL_BINCOMPAT_5005)\b/;
 105 }
 106 close(CFG);
 107
 108 # perl.h logic duplication begins
 109
 110 if ($define{USE_ITHREADS}) {
 111     if (!$define{MULTIPLICITY} && !$define{PERL_OBJECT}) {
 112         $define{MULTIPLICITY} = 1;
 113     }
 114 }
 115
 116 $define{PERL_IMPLICIT_CONTEXT} ||=
 117     $define{USE_ITHREADS} ||
 118     $define{USE_5005THREADS}  ||
 119     $define{MULTIPLICITY} ;
 120
 121 if ($define{PERL_CAPI}) {
 122     delete $define{PERL_OBJECT};
 123     $define{MULTIPLICITY} = 1;
 124     $define{PERL_IMPLICIT_CONTEXT} = 1;
 125     $define{PERL_IMPLICIT_SYS}     = 1;
 126 }
 127
 128 if ($define{PERL_OBJECT}) {
 129     $define{PERL_IMPLICIT_CONTEXT} = 1;
 130     $define{PERL_IMPLICIT_SYS}     = 1;
 131 }
 132
 133 # perl.h logic duplication ends
 134
 135 if ($PLATFORM eq 'win32') {
 136     warn join(' ',keys %define)."\n";
 137     print "LIBRARY Perl56\n";
 138     print "DESCRIPTION 'Perl interpreter'\n";
 139     print "EXPORTS\n";
 140     if ($define{PERL_IMPLICIT_SYS}) {
 141         output_symbol("perl_get_host_info");
 142         output_symbol("perl_alloc_override");
 143     }
 144 }
 145 elsif ($PLATFORM eq 'os2') {
 146     ($v = $]) =~ s/(\d\.\d\d\d)(\d\d)$/$1_$2/;
 147     $v .= '-thread' if $ARCHNAME =~ /-thread/;
 148     #$sum = 0;
 149     #for (split //, $v) {
 150     #   $sum = ($sum * 33) + ord;
 151     #   $sum &= 0xffffff;
 152     #}
 153     #$sum += $sum >> 5;
 154     #$sum &= 0xffff;
 155     #$sum = printf '%X', $sum;
 156     ($dll = $define{PERL_DLL}) =~ s/\.dll$//i;
 157     # print STDERR "'$dll' <= '$define{PERL_DLL}'\n";
 158     print <<"---EOP---";
 159 LIBRARY '$dll' INITINSTANCE TERMINSTANCE
 160 DESCRIPTION '\@#perl5-porters\@perl.org:$v#\@ Perl interpreter, configured as $CONFIG_ARGS'
 161 STACKSIZE 32768
 162 CODE LOADONCALL
 163 DATA LOADONCALL NONSHARED MULTIPLE
 164 EXPORTS
 165 ---EOP---
 166 }
 167 elsif ($PLATFORM eq 'aix') {
 168     print "#!\n";
 169 }
 170
 171 my %skip;
 172 my %export;
 173
 174 sub skip_symbols {
 175     my $list = shift;
 176     foreach my $symbol (@$list) {
 177         $skip{$symbol} = 1;
 178     }
 179 }
 180
 181 sub emit_symbols {
 182     my $list = shift;
 183     foreach my $symbol (@$list) {
 184         my $skipsym = $symbol;
 185         # XXX hack
 186         if ($define{PERL_OBJECT} || $define{MULTIPLICITY}) {
 187             $skipsym =~ s/^Perl_[GIT](\w+)_ptr$/PL_$1/;
 188         }
 189         emit_symbol($symbol) unless exists $skip{$skipsym};
 190     }
 191 }
 192
 193 if ($PLATFORM eq 'win32') {
 194     skip_symbols [qw(
 195                      PL_statusvalue_vms
 196                      PL_archpat_auto
 197                      PL_cryptseen
 198                      PL_DBcv
 199                      PL_generation
 200                      PL_lastgotoprobe
 201                      PL_linestart
 202                      PL_modcount
 203                      PL_pending_ident
 204                      PL_sortcxix
 205                      PL_sublex_info
 206                      PL_timesbuf
 207                      main
 208                      Perl_ErrorNo
 209                      Perl_GetVars
 210                      Perl_do_exec3
 211                      Perl_do_ipcctl
 212                      Perl_do_ipcget
 213                      Perl_do_msgrcv
 214                      Perl_do_msgsnd
 215                      Perl_do_semop
 216                      Perl_do_shmio
 217                      Perl_dump_fds
 218                      Perl_init_thread_intern
 219                      Perl_my_bzero
 220                      Perl_my_htonl
 221                      Perl_my_ntohl
 222                      Perl_my_swap
 223                      Perl_my_chsize
 224                      Perl_same_dirent
 225                      Perl_setenv_getix
 226                      Perl_unlnk
 227                      Perl_watch
 228                      Perl_safexcalloc
 229                      Perl_safexmalloc
 230                      Perl_safexfree
 231                      Perl_safexrealloc
 232                      Perl_my_memcmp
 233                      Perl_my_memset
 234                      PL_cshlen
 235                      PL_cshname
 236                      PL_opsave
 237                      Perl_do_exec
 238                      Perl_getenv_len
 239                      Perl_my_pclose
 240                      Perl_my_popen
 241                      )];
 242 }
 243 elsif ($PLATFORM eq 'aix') {
 244     skip_symbols([qw(
 245                      Perl_dump_fds
 246                      Perl_ErrorNo
 247                      Perl_GetVars
 248                      Perl_my_bcopy
 249                      Perl_my_bzero
 250                      Perl_my_chsize
 251                      Perl_my_htonl
 252                      Perl_my_memcmp
 253                      Perl_my_memset
 254                      Perl_my_ntohl
 255                      Perl_my_swap
 256                      Perl_safexcalloc
 257                      Perl_safexfree
 258                      Perl_safexmalloc
 259                      Perl_safexrealloc
 260                      Perl_same_dirent
 261                      Perl_unlnk
 262                      Perl_sys_intern_dup
 263                      PL_cryptseen
 264                      PL_opsave
 265                      PL_statusvalue_vms
 266                      PL_sys_intern
 267                      )]);
 268 }
 269 elsif ($PLATFORM eq 'os2') {
 270     emit_symbols([qw(
 271                     ctermid
 272                     get_sysinfo
 273                     Perl_OS2_init
 274                     OS2_Perl_data
 275                     dlopen
 276                     dlsym
 277                     dlerror
 278                     dlclose
 279                     my_tmpfile
 280                     my_tmpnam
 281                     my_flock
 282                     malloc_mutex
 283                     threads_mutex
 284                     nthreads
 285                     nthreads_cond
 286                     os2_cond_wait
 287                     os2_stat
 288                     pthread_join
 289                     pthread_create
 290                     pthread_detach
 291                     XS_Cwd_change_drive
 292                     XS_Cwd_current_drive
 293                     XS_Cwd_extLibpath
 294                     XS_Cwd_extLibpath_set
 295                     XS_Cwd_sys_abspath
 296                     XS_Cwd_sys_chdir
 297                     XS_Cwd_sys_cwd
 298                     XS_Cwd_sys_is_absolute
 299                     XS_Cwd_sys_is_relative
 300                     XS_Cwd_sys_is_rooted
 301                     XS_DynaLoader_mod2fname
 302                     XS_File__Copy_syscopy
 303                     Perl_Register_MQ
 304                     Perl_Deregister_MQ
 305                     Perl_Serve_Messages
 306                     Perl_Process_Messages
 307                     init_PMWIN_entries
 308                     PMWIN_entries
 309                     Perl_hab_GET
 310                     )]);
 311 }
 312
 313 unless ($define{'DEBUGGING'}) {
 314     skip_symbols [qw(
 315                     Perl_deb
 316                     Perl_deb_growlevel
 317                     Perl_debop
 318                     Perl_debprofdump
 319                     Perl_debstack
 320                     Perl_debstackptrs
 321                     Perl_runops_debug
 322                     Perl_sv_peek
 323                     PL_block_type
 324                     PL_watchaddr
 325                     PL_watchok
 326                     )];
 327 }
 328
 329 if ($define{'PERL_IMPLICIT_SYS'}) {
 330     skip_symbols [qw(
 331                     Perl_getenv_len
 332                     Perl_my_popen
 333                     Perl_my_pclose
 334                     )];
 335 }
 336 else {
 337     skip_symbols [qw(
 338                     PL_Mem
 339                     PL_MemShared
 340                     PL_MemParse
 341                     PL_Env
 342                     PL_StdIO
 343                     PL_LIO
 344                     PL_Dir
 345                     PL_Sock
 346                     PL_Proc
 347                     )];
 348 }
 349
 350 unless ($define{'PERL_FLEXIBLE_EXCEPTIONS'}) {
 351     skip_symbols [qw(
 352                     PL_protect
 353                     Perl_default_protect
 354                     Perl_vdefault_protect
 355                     )];
 356 }
 357
 358 if ($define{'MYMALLOC'}) {
 359     emit_symbols [qw(
 360                     Perl_dump_mstats
 361                     Perl_get_mstats
 362                     Perl_malloc
 363                     Perl_mfree
 364                     Perl_realloc
 365                     Perl_calloc
 366                     )];
 367     if ($define{'USE_5005THREADS'} || $define{'USE_ITHREADS'}) {
 368         emit_symbols [qw(
 369                         PL_malloc_mutex
 370                         )];
 371     }
 372     else {
 373         skip_symbols [qw(
 374                         PL_malloc_mutex
 375                         )];
 376     }
 377 }
 378 else {
 379     skip_symbols [qw(
 380                     PL_malloc_mutex
 381                     Perl_dump_mstats
 382                     Perl_get_mstats
 383                     Perl_malloc
 384                     Perl_mfree
 385                     Perl_realloc
 386                     Perl_calloc
 387                     Perl_malloced_size
 388                     )];
 389 }
 390
 391 unless ($define{'USE_5005THREADS'} || $define{'USE_ITHREADS'}) {
 392     skip_symbols [qw(
 393                     PL_thr_key
 394                     )];
 395 }
 396
 397 unless ($define{'USE_5005THREADS'}) {
 398     skip_symbols [qw(
 399                     PL_sv_mutex
 400                     PL_strtab_mutex
 401                     PL_svref_mutex
 402                     PL_cred_mutex
 403                     PL_eval_mutex
 404                     PL_eval_cond
 405                     PL_eval_owner
 406                     PL_threads_mutex
 407                     PL_nthreads
 408                     PL_nthreads_cond
 409                     PL_threadnum
 410                     PL_threadsv_names
 411                     PL_thrsv
 412                     PL_vtbl_mutex
 413                     Perl_condpair_magic
 414                     Perl_new_struct_thread
 415                     Perl_per_thread_magicals
 416                     Perl_thread_create
 417                     Perl_find_threadsv
 418                     Perl_unlock_condpair
 419                     Perl_magic_mutexfree
 420                     )];
 421 }
 422
 423 unless ($define{'USE_ITHREADS'}) {
 424     skip_symbols [qw(
 425                     PL_ptr_table
 426                     PL_op_mutex
 427                     Perl_dirp_dup
 428                     Perl_cx_dup
 429                     Perl_si_dup
 430                     Perl_any_dup
 431                     Perl_ss_dup
 432                     Perl_fp_dup
 433                     Perl_gp_dup
 434                     Perl_he_dup
 435                     Perl_mg_dup
 436                     Perl_re_dup
 437                     Perl_sv_dup
 438                     Perl_sys_intern_dup
 439                     Perl_ptr_table_fetch
 440                     Perl_ptr_table_new
 441                     Perl_ptr_table_split
 442                     Perl_ptr_table_store
 443                     perl_clone
 444                     perl_clone_using
 445                     )];
 446 }
 447
 448 unless ($define{'PERL_IMPLICIT_CONTEXT'}) {
 449     skip_symbols [qw(
 450                     Perl_croak_nocontext
 451                     Perl_die_nocontext
 452                     Perl_deb_nocontext
 453                     Perl_form_nocontext
 454                     Perl_load_module_nocontext
 455                     Perl_mess_nocontext
 456                     Perl_warn_nocontext
 457                     Perl_warner_nocontext
 458                     Perl_newSVpvf_nocontext
 459                     Perl_sv_catpvf_nocontext
 460                     Perl_sv_setpvf_nocontext
 461                     Perl_sv_catpvf_mg_nocontext
 462                     Perl_sv_setpvf_mg_nocontext
 463                     )];
 464 }
 465
 466 unless ($define{'PERL_IMPLICIT_SYS'}) {
 467     skip_symbols [qw(
 468                     perl_alloc_using
 469                     perl_clone_using
 470                     )];
 471 }
 472
 473 unless ($define{'FAKE_THREADS'}) {
 474     skip_symbols [qw(PL_curthr)];
 475 }
 476
 477 sub readvar {
 478     my $file = shift;
 479     my $proc = shift || sub { "PL_$_[2]" };
 480     open(VARS,$file) || die "Cannot open $file: $!\n";
 481     my @syms;
 482     while (<VARS>) {
 483         # All symbols have a Perl_ prefix because that's what embed.h
 484         # sticks in front of them.
 485         push(@syms, &$proc($1,$2,$3)) if (/\bPERLVAR(A?I?C?)\(([IGT])(\w+)/);
 486     }
 487     close(VARS);
 488     return \@syms;
 489 }
 490
 491 if ($define{'USE_5005THREADS'}) {
 492     my $thrd = readvar($thrdvar_h);
 493     skip_symbols $thrd;
 494 }
 495
 496 if ($define{'PERL_GLOBAL_STRUCT'}) {
 497     my $global = readvar($perlvars_h);
 498     skip_symbols $global;
 499     emit_symbol('Perl_GetVars');
 500     emit_symbols [qw(PL_Vars PL_VarsPtr)] unless $CCTYPE eq 'GCC';
 501 }
 502
 503 # functions from *.sym files
 504
 505 my @syms = ($global_sym, $globvar_sym); # $pp_sym is not part of the API
 506
 507 if ($define{'USE_PERLIO'}) {
 508      push @syms, $perlio_sym;
 509 }
 510
 511 for my $syms (@syms) {
 512     open (GLOBAL, "<$syms") || die "failed to open $syms: $!\n";
 513     while (<GLOBAL>) {
 514         next if (!/^[A-Za-z]/);
 515         # Functions have a Perl_ prefix
 516         # Variables have a PL_ prefix
 517         chomp($_);
 518         my $symbol = ($syms =~ /var\.sym$/i ? "PL_" : "");
 519         $symbol .= $_;
 520         emit_symbol($symbol) unless exists $skip{$symbol};
 521     }
 522     close(GLOBAL);
 523 }
 524
 525 # variables
 526
 527 if ($define{'PERL_OBJECT'} || $define{'MULTIPLICITY'}) {
 528     for my $f ($perlvars_h, $intrpvar_h, $thrdvar_h) {
 529         my $glob = readvar($f, sub { "Perl_" . $_[1] . $_[2] . "_ptr" });
 530         emit_symbols $glob;
 531     }
 532     # XXX AIX seems to want the perlvars.h symbols, for some reason
 533     if ($PLATFORM eq 'aix') {
 534         my $glob = readvar($perlvars_h);
 535         emit_symbols $glob;
 536     }
 537 }
 538 else {
 539     unless ($define{'PERL_GLOBAL_STRUCT'}) {
 540         my $glob = readvar($perlvars_h);
 541         emit_symbols $glob;
 542     }
 543     unless ($define{'MULTIPLICITY'}) {
 544         my $glob = readvar($intrpvar_h);
 545         emit_symbols $glob;
 546     }
 547     unless ($define{'MULTIPLICITY'} || $define{'USE_5005THREADS'}) {
 548         my $glob = readvar($thrdvar_h);
 549         emit_symbols $glob;
 550     }
 551 }
 552
 553 sub try_symbol {
 554     my $symbol = shift;
 555
 556     return if $symbol !~ /^[A-Za-z]/;
 557     return if $symbol =~ /^\#/;
 558     $symbol =~s/\r//g;
 559     chomp($symbol);
 560     return if exists $skip{$symbol};
 561     emit_symbol($symbol);
 562 }
 563
 564 while (<DATA>) {
 565     try_symbol($_);
 566 }
 567
 568 if ($PLATFORM eq 'win32') {
 569     foreach my $symbol (qw(
 570                             boot_DynaLoader
 571                             Perl_init_os_extras
 572                             Perl_thread_create
 573                             Perl_win32_init
 574                             RunPerl
 575                             win32_errno
 576                             win32_environ
 577                             win32_stdin
 578                             win32_stdout
 579                             win32_stderr
 580                             win32_ferror
 581                             win32_feof
 582                             win32_strerror
 583                             win32_fprintf
 584                             win32_printf
 585                             win32_vfprintf
 586                             win32_vprintf
 587                             win32_fread
 588                             win32_fwrite
 589                             win32_fopen
 590                             win32_fdopen
 591                             win32_freopen
 592                             win32_fclose
 593                             win32_fputs
 594                             win32_fputc
 595                             win32_ungetc
 596                             win32_getc
 597                             win32_fileno
 598                             win32_clearerr
 599                             win32_fflush
 600                             win32_ftell
 601                             win32_fseek
 602                             win32_fgetpos
 603                             win32_fsetpos
 604                             win32_rewind
 605                             win32_tmpfile
 606                             win32_abort
 607                             win32_fstat
 608                             win32_stat
 609                             win32_pipe
 610                             win32_popen
 611                             win32_pclose
 612                             win32_rename
 613                             win32_setmode
 614                             win32_lseek
 615                             win32_tell
 616                             win32_dup
 617                             win32_dup2
 618                             win32_open
 619                             win32_close
 620                             win32_eof
 621                             win32_read
 622                             win32_write
 623                             win32_spawnvp
 624                             win32_mkdir
 625                             win32_rmdir
 626                             win32_chdir
 627                             win32_flock
 628                             win32_execv
 629                             win32_execvp
 630                             win32_htons
 631                             win32_ntohs
 632                             win32_htonl
 633                             win32_ntohl
 634                             win32_inet_addr
 635                             win32_inet_ntoa
 636                             win32_socket
 637                             win32_bind
 638                             win32_listen
 639                             win32_accept
 640                             win32_connect
 641                             win32_send
 642                             win32_sendto
 643                             win32_recv
 644                             win32_recvfrom
 645                             win32_shutdown
 646                             win32_closesocket
 647                             win32_ioctlsocket
 648                             win32_setsockopt
 649                             win32_getsockopt
 650                             win32_getpeername
 651                             win32_getsockname
 652                             win32_gethostname
 653                             win32_gethostbyname
 654                             win32_gethostbyaddr
 655                             win32_getprotobyname
 656                             win32_getprotobynumber
 657                             win32_getservbyname
 658                             win32_getservbyport
 659                             win32_select
 660                             win32_endhostent
 661                             win32_endnetent
 662                             win32_endprotoent
 663                             win32_endservent
 664                             win32_getnetent
 665                             win32_getnetbyname
 666                             win32_getnetbyaddr
 667                             win32_getprotoent
 668                             win32_getservent
 669                             win32_sethostent
 670                             win32_setnetent
 671                             win32_setprotoent
 672                             win32_setservent
 673                             win32_getenv
 674                             win32_putenv
 675                             win32_perror
 676                             win32_setbuf
 677                             win32_setvbuf
 678                             win32_flushall
 679                             win32_fcloseall
 680                             win32_fgets
 681                             win32_gets
 682                             win32_fgetc
 683                             win32_putc
 684                             win32_puts
 685                             win32_getchar
 686                             win32_putchar
 687                             win32_malloc
 688                             win32_calloc
 689                             win32_realloc
 690                             win32_free
 691                             win32_sleep
 692                             win32_times
 693                             win32_access
 694                             win32_alarm
 695                             win32_chmod
 696                             win32_open_osfhandle
 697                             win32_get_osfhandle
 698                             win32_ioctl
 699                             win32_link
 700                             win32_unlink
 701                             win32_utime
 702                             win32_uname
 703                             win32_wait
 704                             win32_waitpid
 705                             win32_kill
 706                             win32_str_os_error
 707                             win32_opendir
 708                             win32_readdir
 709                             win32_telldir
 710                             win32_seekdir
 711                             win32_rewinddir
 712                             win32_closedir
 713                             win32_longpath
 714                             win32_os_id
 715                             win32_getpid
 716                             win32_crypt
 717                             win32_dynaload
 718                            ))
 719     {
 720         try_symbol($symbol);
 721     }
 722 }
 723 elsif ($PLATFORM eq 'os2') {
 724     open MAP, 'miniperl.map' or die 'Cannot read miniperl.map';
 725     /^\s*[\da-f:]+\s+(\w+)/i and $mapped{$1}++ foreach <MAP>;
 726     close MAP or die 'Cannot close miniperl.map';
 727
 728     @missing = grep { !exists $mapped{$_} and !exists $bincompat5005{$_} }
 729                     keys %export;
 730     delete $export{$_} foreach @missing;
 731 }
 732
 733 # Now all symbols should be defined because
 734 # next we are going to output them.
 735
 736 foreach my $symbol (sort keys %export) {
 737     output_symbol($symbol);
 738 }
 739
 740 sub emit_symbol {
 741     my $symbol = shift;
 742     chomp($symbol);
 743     $export{$symbol} = 1;
 744 }
 745
 746 sub output_symbol {
 747     my $symbol = shift;
 748     $symbol = $bincompat5005{$symbol}
 749         if $define{PERL_BINCOMPAT_5005} and $symbol =~ /^($bincompat5005)$/;
 750     if ($PLATFORM eq 'win32') {
 751         $symbol = "_$symbol" if $CCTYPE eq 'BORLAND';
 752         print "\t$symbol\n";
 753 # XXX: binary compatibility between compilers is an exercise
 754 # in frustration :-(
 755 #        if ($CCTYPE eq "BORLAND") {
 756 #           # workaround Borland quirk by exporting both the straight
 757 #           # name and a name with leading underscore.  Note the
 758 #           # alias *must* come after the symbol itself, if both
 759 #           # are to be exported. (Linker bug?)
 760 #           print "\t_$symbol\n";
 761 #           print "\t$symbol = _$symbol\n";
 762 #       }
 763 #       elsif ($CCTYPE eq 'GCC') {
 764 #           # Symbols have leading _ whole process is $%@"% slow
 765 #           # so skip aliases for now
 766 #           nprint "\t$symbol\n";
 767 #       }
 768 #       else {
 769 #           # for binary coexistence, export both the symbol and
 770 #           # alias with leading underscore
 771 #           print "\t$symbol\n";
 772 #           print "\t_$symbol = $symbol\n";
 773 #       }
 774     }
 775     elsif ($PLATFORM eq 'os2') {
 776         print qq(    "$symbol"\n);
 777     }
 778     elsif ($PLATFORM eq 'aix') {
 779         print "$symbol\n";
 780     }
 781 }
 782
 783 1;
 784 __DATA__
 785 # extra globals not included above.
 786 perl_alloc
 787 perl_alloc_using
 788 perl_clone
 789 perl_clone_using
 790 perl_construct
 791 perl_destruct
 792 perl_free
 793 perl_parse
 794 perl_run