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     $d = "DESCRIPTION '\@#perl5-porters\@perl.org:$v#\@ Perl interpreter, configured as $CONFIG_ARGS'";
 155     $d = substr($d, 0, 249) . "...'" if length $d > 253;
 156     print <<"---EOP---";
 157 LIBRARY '$dll' INITINSTANCE TERMINSTANCE
 158 $d
 159 STACKSIZE 32768
 160 CODE LOADONCALL
 161 DATA LOADONCALL NONSHARED MULTIPLE
 162 EXPORTS
 163 ---EOP---
 164 }
 165 elsif ($PLATFORM eq 'aix') {
 166     $OSVER = `uname -v`;
 167     chop $OSVER;
 168     $OSREL = `uname -r`;
 169     chop $OSREL;
 170     if ($OSVER > 4 || ($OSVER == 4 && $OSREL >= 3)) {
 171         print "#! ..\n";
 172     } else {
 173         print "#!\n";
 174     }
 175 }
 176
 177 my %skip;
 178 my %export;
 179
 180 sub skip_symbols {
 181     my $list = shift;
 182     foreach my $symbol (@$list) {
 183         $skip{$symbol} = 1;
 184     }
 185 }
 186
 187 sub emit_symbols {
 188     my $list = shift;
 189     foreach my $symbol (@$list) {
 190         my $skipsym = $symbol;
 191         # XXX hack
 192         if ($define{PERL_OBJECT} || $define{MULTIPLICITY}) {
 193             $skipsym =~ s/^Perl_[GIT](\w+)_ptr$/PL_$1/;
 194         }
 195         emit_symbol($symbol) unless exists $skip{$skipsym};
 196     }
 197 }
 198
 199 if ($PLATFORM eq 'win32') {
 200     skip_symbols [qw(
 201                      PL_statusvalue_vms
 202                      PL_archpat_auto
 203                      PL_cryptseen
 204                      PL_DBcv
 205                      PL_generation
 206                      PL_lastgotoprobe
 207                      PL_linestart
 208                      PL_modcount
 209                      PL_pending_ident
 210                      PL_sortcxix
 211                      PL_sublex_info
 212                      PL_timesbuf
 213                      main
 214                      Perl_ErrorNo
 215                      Perl_GetVars
 216                      Perl_do_exec3
 217                      Perl_do_ipcctl
 218                      Perl_do_ipcget
 219                      Perl_do_msgrcv
 220                      Perl_do_msgsnd
 221                      Perl_do_semop
 222                      Perl_do_shmio
 223                      Perl_dump_fds
 224                      Perl_init_thread_intern
 225                      Perl_my_bzero
 226                      Perl_my_bcopy
 227                      Perl_my_htonl
 228                      Perl_my_ntohl
 229                      Perl_my_swap
 230                      Perl_my_chsize
 231                      Perl_same_dirent
 232                      Perl_setenv_getix
 233                      Perl_unlnk
 234                      Perl_watch
 235                      Perl_safexcalloc
 236                      Perl_safexmalloc
 237                      Perl_safexfree
 238                      Perl_safexrealloc
 239                      Perl_my_memcmp
 240                      Perl_my_memset
 241                      PL_cshlen
 242                      PL_cshname
 243                      PL_opsave
 244                      Perl_do_exec
 245                      Perl_getenv_len
 246                      Perl_my_pclose
 247                      Perl_my_popen
 248                      )];
 249 }
 250 elsif ($PLATFORM eq 'aix') {
 251     skip_symbols([qw(
 252                      Perl_dump_fds
 253                      Perl_ErrorNo
 254                      Perl_GetVars
 255                      Perl_my_bcopy
 256                      Perl_my_bzero
 257                      Perl_my_chsize
 258                      Perl_my_htonl
 259                      Perl_my_memcmp
 260                      Perl_my_memset
 261                      Perl_my_ntohl
 262                      Perl_my_swap
 263                      Perl_safexcalloc
 264                      Perl_safexfree
 265                      Perl_safexmalloc
 266                      Perl_safexrealloc
 267                      Perl_same_dirent
 268                      Perl_unlnk
 269                      Perl_sys_intern_clear
 270                      Perl_sys_intern_dup
 271                      Perl_sys_intern_init
 272                      PL_cryptseen
 273                      PL_opsave
 274                      PL_statusvalue_vms
 275                      PL_sys_intern
 276                      )]);
 277 }
 278 elsif ($PLATFORM eq 'os2') {
 279     emit_symbols([qw(
 280                     ctermid
 281                     get_sysinfo
 282                     Perl_OS2_init
 283                     OS2_Perl_data
 284                     dlopen
 285                     dlsym
 286                     dlerror
 287                     dlclose
 288                     my_tmpfile
 289                     my_tmpnam
 290                     my_flock
 291                     my_rmdir
 292                     my_mkdir
 293                     malloc_mutex
 294                     threads_mutex
 295                     nthreads
 296                     nthreads_cond
 297                     os2_cond_wait
 298                     os2_stat
 299                     pthread_join
 300                     pthread_create
 301                     pthread_detach
 302                     XS_Cwd_change_drive
 303                     XS_Cwd_current_drive
 304                     XS_Cwd_extLibpath
 305                     XS_Cwd_extLibpath_set
 306                     XS_Cwd_sys_abspath
 307                     XS_Cwd_sys_chdir
 308                     XS_Cwd_sys_cwd
 309                     XS_Cwd_sys_is_absolute
 310                     XS_Cwd_sys_is_relative
 311                     XS_Cwd_sys_is_rooted
 312                     XS_DynaLoader_mod2fname
 313                     XS_File__Copy_syscopy
 314                     Perl_Register_MQ
 315                     Perl_Deregister_MQ
 316                     Perl_Serve_Messages
 317                     Perl_Process_Messages
 318                     init_PMWIN_entries
 319                     PMWIN_entries
 320                     Perl_hab_GET
 321                     )]);
 322 }
 323 elsif ($PLATFORM eq 'MacOS') {
 324     skip_symbols [qw(
 325                     Perl_GetVars
 326                     PL_cryptseen
 327                     PL_cshlen
 328                     PL_cshname
 329                     PL_statusvalue_vms
 330                     PL_sys_intern
 331                     PL_opsave
 332                     PL_timesbuf
 333                     Perl_dump_fds
 334                     Perl_my_bcopy
 335                     Perl_my_bzero
 336                     Perl_my_chsize
 337                     Perl_my_htonl
 338                     Perl_my_memcmp
 339                     Perl_my_memset
 340                     Perl_my_ntohl
 341                     Perl_my_swap
 342                     Perl_safexcalloc
 343                     Perl_safexfree
 344                     Perl_safexmalloc
 345                     Perl_safexrealloc
 346                     Perl_unlnk
 347                     Perl_sys_intern_clear
 348                     Perl_sys_intern_init
 349                     )];
 350 }
 351
 352
 353 unless ($define{'DEBUGGING'}) {
 354     skip_symbols [qw(
 355                     Perl_deb_growlevel
 356                     Perl_debop
 357                     Perl_debprofdump
 358                     Perl_debstack
 359                     Perl_debstackptrs
 360                     Perl_runops_debug
 361                     Perl_sv_peek
 362                     PL_block_type
 363                     PL_watchaddr
 364                     PL_watchok
 365                     )];
 366 }
 367
 368 if ($define{'PERL_IMPLICIT_SYS'}) {
 369     skip_symbols [qw(
 370                     Perl_getenv_len
 371                     Perl_my_popen
 372                     Perl_my_pclose
 373                     )];
 374 }
 375 else {
 376     skip_symbols [qw(
 377                     PL_Mem
 378                     PL_MemShared
 379                     PL_MemParse
 380                     PL_Env
 381                     PL_StdIO
 382                     PL_LIO
 383                     PL_Dir
 384                     PL_Sock
 385                     PL_Proc
 386                     )];
 387 }
 388
 389 unless ($define{'PERL_FLEXIBLE_EXCEPTIONS'}) {
 390     skip_symbols [qw(
 391                     PL_protect
 392                     Perl_default_protect
 393                     Perl_vdefault_protect
 394                     )];
 395 }
 396
 397 if ($define{'MYMALLOC'}) {
 398     emit_symbols [qw(
 399                     Perl_dump_mstats
 400                     Perl_get_mstats
 401                     Perl_malloc
 402                     Perl_mfree
 403                     Perl_realloc
 404                     Perl_calloc
 405                     Perl_strdup
 406                     Perl_putenv
 407                     )];
 408     if ($define{'USE_5005THREADS'} || $define{'USE_ITHREADS'}) {
 409         emit_symbols [qw(
 410                         PL_malloc_mutex
 411                         )];
 412     }
 413     else {
 414         skip_symbols [qw(
 415                         PL_malloc_mutex
 416                         )];
 417     }
 418 }
 419 else {
 420     skip_symbols [qw(
 421                     PL_malloc_mutex
 422                     Perl_dump_mstats
 423                     Perl_get_mstats
 424                     Perl_malloc
 425                     Perl_mfree
 426                     Perl_realloc
 427                     Perl_calloc
 428                     Perl_malloced_size
 429                     )];
 430 }
 431
 432 unless ($define{'USE_5005THREADS'} || $define{'USE_ITHREADS'}) {
 433     skip_symbols [qw(
 434                     PL_thr_key
 435                     )];
 436 }
 437
 438 unless ($define{'USE_5005THREADS'}) {
 439     skip_symbols [qw(
 440                     PL_sv_mutex
 441                     PL_strtab_mutex
 442                     PL_svref_mutex
 443                     PL_cred_mutex
 444                     PL_eval_mutex
 445                     PL_fdpid_mutex
 446                     PL_sv_lock_mutex
 447                     PL_eval_cond
 448                     PL_eval_owner
 449                     PL_threads_mutex
 450                     PL_nthreads
 451                     PL_nthreads_cond
 452                     PL_threadnum
 453                     PL_threadsv_names
 454                     PL_thrsv
 455                     PL_vtbl_mutex
 456                     Perl_condpair_magic
 457                     Perl_new_struct_thread
 458                     Perl_per_thread_magicals
 459                     Perl_thread_create
 460                     Perl_find_threadsv
 461                     Perl_unlock_condpair
 462                     Perl_magic_mutexfree
 463                     Perl_sv_lock
 464                     )];
 465 }
 466
 467 unless ($define{'USE_ITHREADS'}) {
 468     skip_symbols [qw(
 469                     PL_ptr_table
 470                     PL_op_mutex
 471                     Perl_dirp_dup
 472                     Perl_cx_dup
 473                     Perl_si_dup
 474                     Perl_any_dup
 475                     Perl_ss_dup
 476                     Perl_fp_dup
 477                     Perl_gp_dup
 478                     Perl_he_dup
 479                     Perl_mg_dup
 480                     Perl_re_dup
 481                     Perl_sv_dup
 482                     Perl_sys_intern_dup
 483                     Perl_ptr_table_clear
 484                     Perl_ptr_table_fetch
 485                     Perl_ptr_table_free
 486                     Perl_ptr_table_new
 487                     Perl_ptr_table_clear
 488                     Perl_ptr_table_free
 489                     Perl_ptr_table_split
 490                     Perl_ptr_table_store
 491                     perl_clone
 492                     perl_clone_using
 493                     )];
 494 }
 495
 496 unless ($define{'PERL_IMPLICIT_CONTEXT'}) {
 497     skip_symbols [qw(
 498                     Perl_croak_nocontext
 499                     Perl_die_nocontext
 500                     Perl_deb_nocontext
 501                     Perl_form_nocontext
 502                     Perl_load_module_nocontext
 503                     Perl_mess_nocontext
 504                     Perl_warn_nocontext
 505                     Perl_warner_nocontext
 506                     Perl_newSVpvf_nocontext
 507                     Perl_sv_catpvf_nocontext
 508                     Perl_sv_setpvf_nocontext
 509                     Perl_sv_catpvf_mg_nocontext
 510                     Perl_sv_setpvf_mg_nocontext
 511                     )];
 512 }
 513
 514 unless ($define{'PERL_IMPLICIT_SYS'}) {
 515     skip_symbols [qw(
 516                     perl_alloc_using
 517                     perl_clone_using
 518                     )];
 519 }
 520
 521 unless ($define{'FAKE_THREADS'}) {
 522     skip_symbols [qw(PL_curthr)];
 523 }
 524
 525 sub readvar {
 526     my $file = shift;
 527     my $proc = shift || sub { "PL_$_[2]" };
 528     open(VARS,$file) || die "Cannot open $file: $!\n";
 529     my @syms;
 530     while (<VARS>) {
 531         # All symbols have a Perl_ prefix because that's what embed.h
 532         # sticks in front of them.
 533         push(@syms, &$proc($1,$2,$3)) if (/\bPERLVAR(A?I?C?)\(([IGT])(\w+)/);
 534     }
 535     close(VARS);
 536     return \@syms;
 537 }
 538
 539 if ($define{'USE_5005THREADS'}) {
 540     my $thrd = readvar($thrdvar_h);
 541     skip_symbols $thrd;
 542 }
 543
 544 if ($define{'PERL_GLOBAL_STRUCT'}) {
 545     my $global = readvar($perlvars_h);
 546     skip_symbols $global;
 547     emit_symbol('Perl_GetVars');
 548     emit_symbols [qw(PL_Vars PL_VarsPtr)] unless $CCTYPE eq 'GCC';
 549 }
 550
 551 # functions from *.sym files
 552
 553 my @syms = ($global_sym, $globvar_sym); # $pp_sym is not part of the API
 554
 555 my @layer_syms = qw(
 556                          PerlIOBase_clearerr
 557                          PerlIOBase_close
 558                          PerlIOBase_eof
 559                          PerlIOBase_error
 560                          PerlIOBase_fileno
 561                          PerlIOBase_setlinebuf
 562                          PerlIOBase_pushed
 563                          PerlIOBase_read
 564                          PerlIOBase_unread
 565                          PerlIOBuf_bufsiz
 566                          PerlIOBuf_fill
 567                          PerlIOBuf_flush
 568                          PerlIOBuf_get_cnt
 569                          PerlIOBuf_get_ptr
 570                          PerlIOBuf_open
 571                          PerlIOBuf_pushed
 572                          PerlIOBuf_read
 573                          PerlIOBuf_seek
 574                          PerlIOBuf_set_ptrcnt
 575                          PerlIOBuf_tell
 576                          PerlIOBuf_unread
 577                          PerlIOBuf_write
 578                          PerlIO_define_layer
 579                          PerlIO_arg_fetch
 580                          PerlIO_pending
 581                          PerlIO_allocate
 582                          PerlIO_push
 583                          PerlIO_unread
 584 );
 585
 586 if ($define{'USE_PERLIO'}) {
 587     push @syms, $perlio_sym;
 588     if ($define{'USE_SFIO'}) {
 589         skip_symbols \@layer_syms;
 590         # SFIO defines most of the PerlIO routines as macros
 591         skip_symbols [qw(
 592                          PerlIO_canset_cnt
 593                          PerlIO_clearerr
 594                          PerlIO_close
 595                          PerlIO_eof
 596                          PerlIO_error
 597                          PerlIO_exportFILE
 598                          PerlIO_fast_gets
 599                          PerlIO_fdopen
 600                          PerlIO_fileno
 601                          PerlIO_findFILE
 602                          PerlIO_flush
 603                          PerlIO_get_base
 604                          PerlIO_get_bufsiz
 605                          PerlIO_get_cnt
 606                          PerlIO_get_ptr
 607                          PerlIO_getc
 608                          PerlIO_getname
 609                          PerlIO_has_base
 610                          PerlIO_has_cntptr
 611                          PerlIO_importFILE
 612                          PerlIO_open
 613                          PerlIO_printf
 614                          PerlIO_putc
 615                          PerlIO_puts
 616                          PerlIO_read
 617                          PerlIO_releaseFILE
 618                          PerlIO_reopen
 619                          PerlIO_rewind
 620                          PerlIO_seek
 621                          PerlIO_set_cnt
 622                          PerlIO_set_ptrcnt
 623                          PerlIO_setlinebuf
 624                          PerlIO_sprintf
 625                          PerlIO_stderr
 626                          PerlIO_stdin
 627                          PerlIO_stdout
 628                          PerlIO_stdoutf
 629                          PerlIO_tell
 630                          PerlIO_ungetc
 631                          PerlIO_vprintf
 632                          PerlIO_write
 633                          )];
 634     }
 635 } else {
 636         # Skip the PerlIO New Generation symbols.
 637         skip_symbols \@layer_syms;
 638 }
 639
 640 for my $syms (@syms) {
 641     open (GLOBAL, "<$syms") || die "failed to open $syms: $!\n";
 642     while (<GLOBAL>) {
 643         next if (!/^[A-Za-z]/);
 644         # Functions have a Perl_ prefix
 645         # Variables have a PL_ prefix
 646         chomp($_);
 647         my $symbol = ($syms =~ /var\.sym$/i ? "PL_" : "");
 648         $symbol .= $_;
 649         emit_symbol($symbol) unless exists $skip{$symbol};
 650     }
 651     close(GLOBAL);
 652 }
 653
 654 # variables
 655
 656 if ($define{'PERL_OBJECT'} || $define{'MULTIPLICITY'}) {
 657     for my $f ($perlvars_h, $intrpvar_h, $thrdvar_h) {
 658         my $glob = readvar($f, sub { "Perl_" . $_[1] . $_[2] . "_ptr" });
 659         emit_symbols $glob;
 660     }
 661     # XXX AIX seems to want the perlvars.h symbols, for some reason
 662     if ($PLATFORM eq 'aix') {
 663         my $glob = readvar($perlvars_h);
 664         emit_symbols $glob;
 665     }
 666 }
 667 else {
 668     unless ($define{'PERL_GLOBAL_STRUCT'}) {
 669         my $glob = readvar($perlvars_h);
 670         emit_symbols $glob;
 671     }
 672     unless ($define{'MULTIPLICITY'}) {
 673         my $glob = readvar($intrpvar_h);
 674         emit_symbols $glob;
 675     }
 676     unless ($define{'MULTIPLICITY'} || $define{'USE_5005THREADS'}) {
 677         my $glob = readvar($thrdvar_h);
 678         emit_symbols $glob;
 679     }
 680 }
 681
 682 sub try_symbol {
 683     my $symbol = shift;
 684
 685     return if $symbol !~ /^[A-Za-z]/;
 686     return if $symbol =~ /^\#/;
 687     $symbol =~s/\r//g;
 688     chomp($symbol);
 689     return if exists $skip{$symbol};
 690     emit_symbol($symbol);
 691 }
 692
 693 while (<DATA>) {
 694     try_symbol($_);
 695 }
 696
 697 if ($PLATFORM eq 'win32') {
 698     foreach my $symbol (qw(
 699                             setuid
 700                             setgid
 701                             boot_DynaLoader
 702                             Perl_init_os_extras
 703                             Perl_thread_create
 704                             Perl_win32_init
 705                             RunPerl
 706                             win32_errno
 707                             win32_environ
 708                             win32_abort
 709                             win32_fstat
 710                             win32_stat
 711                             win32_pipe
 712                             win32_popen
 713                             win32_pclose
 714                             win32_rename
 715                             win32_setmode
 716                             win32_lseek
 717                             win32_tell
 718                             win32_dup
 719                             win32_dup2
 720                             win32_open
 721                             win32_close
 722                             win32_eof
 723                             win32_read
 724                             win32_write
 725                             win32_spawnvp
 726                             win32_mkdir
 727                             win32_rmdir
 728                             win32_chdir
 729                             win32_flock
 730                             win32_execv
 731                             win32_execvp
 732                             win32_htons
 733                             win32_ntohs
 734                             win32_htonl
 735                             win32_ntohl
 736                             win32_inet_addr
 737                             win32_inet_ntoa
 738                             win32_socket
 739                             win32_bind
 740                             win32_listen
 741                             win32_accept
 742                             win32_connect
 743                             win32_send
 744                             win32_sendto
 745                             win32_recv
 746                             win32_recvfrom
 747                             win32_shutdown
 748                             win32_closesocket
 749                             win32_ioctlsocket
 750                             win32_setsockopt
 751                             win32_getsockopt
 752                             win32_getpeername
 753                             win32_getsockname
 754                             win32_gethostname
 755                             win32_gethostbyname
 756                             win32_gethostbyaddr
 757                             win32_getprotobyname
 758                             win32_getprotobynumber
 759                             win32_getservbyname
 760                             win32_getservbyport
 761                             win32_select
 762                             win32_endhostent
 763                             win32_endnetent
 764                             win32_endprotoent
 765                             win32_endservent
 766                             win32_getnetent
 767                             win32_getnetbyname
 768                             win32_getnetbyaddr
 769                             win32_getprotoent
 770                             win32_getservent
 771                             win32_sethostent
 772                             win32_setnetent
 773                             win32_setprotoent
 774                             win32_setservent
 775                             win32_getenv
 776                             win32_putenv
 777                             win32_perror
 778                             win32_malloc
 779                             win32_calloc
 780                             win32_realloc
 781                             win32_free
 782                             win32_sleep
 783                             win32_times
 784                             win32_access
 785                             win32_alarm
 786                             win32_chmod
 787                             win32_open_osfhandle
 788                             win32_get_osfhandle
 789                             win32_ioctl
 790                             win32_link
 791                             win32_unlink
 792                             win32_utime
 793                             win32_uname
 794                             win32_wait
 795                             win32_waitpid
 796                             win32_kill
 797                             win32_str_os_error
 798                             win32_opendir
 799                             win32_readdir
 800                             win32_telldir
 801                             win32_seekdir
 802                             win32_rewinddir
 803                             win32_closedir
 804                             win32_longpath
 805                             win32_os_id
 806                             win32_getpid
 807                             win32_crypt
 808                             win32_dynaload
 809
 810                             win32_stdin
 811                             win32_stdout
 812                             win32_stderr
 813                             win32_ferror
 814                             win32_feof
 815                             win32_strerror
 816                             win32_fprintf
 817                             win32_printf
 818                             win32_vfprintf
 819                             win32_vprintf
 820                             win32_fread
 821                             win32_fwrite
 822                             win32_fopen
 823                             win32_fdopen
 824                             win32_freopen
 825                             win32_fclose
 826                             win32_fputs
 827                             win32_fputc
 828                             win32_ungetc
 829                             win32_getc
 830                             win32_fileno
 831                             win32_clearerr
 832                             win32_fflush
 833                             win32_ftell
 834                             win32_fseek
 835                             win32_fgetpos
 836                             win32_fsetpos
 837                             win32_rewind
 838                             win32_tmpfile
 839                             win32_setbuf
 840                             win32_setvbuf
 841                             win32_flushall
 842                             win32_fcloseall
 843                             win32_fgets
 844                             win32_gets
 845                             win32_fgetc
 846                             win32_putc
 847                             win32_puts
 848                             win32_getchar
 849                             win32_putchar
 850                            ))
 851     {
 852         try_symbol($symbol);
 853     }
 854 }
 855 elsif ($PLATFORM eq 'os2') {
 856     open MAP, 'miniperl.map' or die 'Cannot read miniperl.map';
 857     /^\s*[\da-f:]+\s+(\w+)/i and $mapped{$1}++ foreach <MAP>;
 858     close MAP or die 'Cannot close miniperl.map';
 859
 860     @missing = grep { !exists $mapped{$_} and !exists $bincompat5005{$_} }
 861                     keys %export;
 862     delete $export{$_} foreach @missing;
 863 }
 864 elsif ($PLATFORM eq 'MacOS') {
 865     open MACSYMS, 'macperl.sym' or die 'Cannot read macperl.sym';
 866
 867     while (<MACSYMS>) {
 868         try_symbol($_);
 869     }
 870
 871     close MACSYMS;
 872 }
 873
 874 # Now all symbols should be defined because
 875 # next we are going to output them.
 876
 877 foreach my $symbol (sort keys %export) {
 878     output_symbol($symbol);
 879 }
 880
 881 sub emit_symbol {
 882     my $symbol = shift;
 883     chomp($symbol);
 884     $export{$symbol} = 1;
 885 }
 886
 887 sub output_symbol {
 888     my $symbol = shift;
 889     $symbol = $bincompat5005{$symbol}
 890         if $define{PERL_BINCOMPAT_5005} and $symbol =~ /^($bincompat5005)$/;
 891     if ($PLATFORM eq 'win32') {
 892         $symbol = "_$symbol" if $CCTYPE eq 'BORLAND';
 893         print "\t$symbol\n";
 894 # XXX: binary compatibility between compilers is an exercise
 895 # in frustration :-(
 896 #        if ($CCTYPE eq "BORLAND") {
 897 #           # workaround Borland quirk by exporting both the straight
 898 #           # name and a name with leading underscore.  Note the
 899 #           # alias *must* come after the symbol itself, if both
 900 #           # are to be exported. (Linker bug?)
 901 #           print "\t_$symbol\n";
 902 #           print "\t$symbol = _$symbol\n";
 903 #       }
 904 #       elsif ($CCTYPE eq 'GCC') {
 905 #           # Symbols have leading _ whole process is $%@"% slow
 906 #           # so skip aliases for now
 907 #           nprint "\t$symbol\n";
 908 #       }
 909 #       else {
 910 #           # for binary coexistence, export both the symbol and
 911 #           # alias with leading underscore
 912 #           print "\t$symbol\n";
 913 #           print "\t_$symbol = $symbol\n";
 914 #       }
 915     }
 916     elsif ($PLATFORM eq 'os2') {
 917         print qq(    "$symbol"\n);
 918     }
 919     elsif ($PLATFORM eq 'aix' || $PLATFORM eq 'MacOS') {
 920         print "$symbol\n";
 921     }
 922 }
 923
 924 1;
 925 __DATA__
 926 # extra globals not included above.
 927 perl_alloc
 928 perl_alloc_using
 929 perl_clone
 930 perl_clone_using
 931 perl_construct
 932 perl_destruct
 933 perl_free
 934 perl_parse
 935 perl_run
 936 PerlIO_define_layer
 937 PerlIOBuf_set_ptrcnt
 938 PerlIOBuf_get_cnt
 939 PerlIOBuf_get_ptr
 940 PerlIOBuf_bufsiz
 941 PerlIOBase_clearerr
 942 PerlIOBase_setlinebuf
 943 PerlIOBase_pushed
 944 PerlIOBase_read
 945 PerlIOBase_unread
 946 PerlIOBase_error
 947 PerlIOBase_eof
 948 PerlIOBuf_tell
 949 PerlIOBuf_seek
 950 PerlIOBuf_write
 951 PerlIOBuf_unread
 952 PerlIOBuf_read
 953 PerlIOBuf_open
 954 PerlIOBase_fileno
 955 PerlIOBuf_pushed
 956 PerlIOBuf_fill
 957 PerlIOBuf_flush
 958 PerlIOBase_close
 959 PerlIO_define_layer
 960 PerlIO_pending
 961 PerlIO_unread
 962 PerlIO_push
 963 PerlIO_allocate
 964 PerlIO_arg_fetch
 965 PerlIO_apply_layers
 966 perlsio_binmode
 967 PerlIO_binmode
 968 PerlIO_init
 969 PerlIO_tmpfile
 970 PerlIO_setpos
 971 PerlIO_getpos
 972 PerlIO_vsprintf
 973 PerlIO_sprintf