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