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+)$/);
  53         if ($PLATFORM eq 'netware') {
  54                 $FILETYPE = $1 if ($flag =~ /^FILETYPE=(\w+)$/);
  55         }
  56 }
  57
  58 my @PLATFORM = qw(aix win32 os2 MacOS netware);
  59 my %PLATFORM;
  60 @PLATFORM{@PLATFORM} = ();
  61
  62 defined $PLATFORM || die "PLATFORM undefined, must be one of: @PLATFORM\n";
  63 exists $PLATFORM{$PLATFORM} || die "PLATFORM must be one of: @PLATFORM\n";
  64
  65 my $config_sh   = "config.sh";
  66 my $config_h    = "config.h";
  67 my $thrdvar_h   = "thrdvar.h";
  68 my $intrpvar_h  = "intrpvar.h";
  69 my $perlvars_h  = "perlvars.h";
  70 my $global_sym  = "global.sym";
  71 my $pp_sym      = "pp.sym";
  72 my $globvar_sym = "globvar.sym";
  73 my $perlio_sym  = "perlio.sym";
  74
  75 if ($PLATFORM eq 'aix') {
  76     # Nothing for now.
  77 }
  78 elsif ($PLATFORM eq 'win32' || $PLATFORM eq 'netware') {
  79     $CCTYPE = "MSVC" unless defined $CCTYPE;
  80     foreach ($thrdvar_h, $intrpvar_h, $perlvars_h, $global_sym,
  81                 $pp_sym, $globvar_sym, $perlio_sym) {
  82         s!^!..\\!;
  83     }
  84 }
  85 elsif ($PLATFORM eq 'MacOS') {
  86     foreach ($thrdvar_h, $intrpvar_h, $perlvars_h, $global_sym,
  87                 $pp_sym, $globvar_sym, $perlio_sym) {
  88         s!^!::!;
  89     }
  90 }
  91
  92 unless ($PLATFORM eq 'win32' || $PLATFORM eq 'MacOS' || $PLATFORM eq 'netware') {
  93     open(CFG,$config_sh) || die "Cannot open $config_sh: $!\n";
  94     while (<CFG>) {
  95         if (/^(?:ccflags|optimize)='(.+)'$/) {
  96             $_ = $1;
  97             $define{$1} = 1 while /-D(\w+)/g;
  98         }
  99         if ($PLATFORM eq 'os2') {
 100             $CONFIG_ARGS = $1 if /^config_args='(.+)'$/;
 101             $ARCHNAME =    $1 if /^archname='(.+)'$/;
 102             $PATCHLEVEL =  $1 if /^perl_patchlevel='(.+)'$/;
 103         }
 104     }
 105     close(CFG);
 106 }
 107
 108 open(CFG,$config_h) || die "Cannot open $config_h: $!\n";
 109 while (<CFG>) {
 110     $define{$1} = 1 if /^\s*#\s*define\s+(MYMALLOC)\b/;
 111     $define{$1} = 1 if /^\s*#\s*define\s+(MULTIPLICITY)\b/;
 112     $define{$1} = 1 if /^\s*#\s*define\s+(PERL_\w+)\b/;
 113     $define{$1} = 1 if /^\s*#\s*define\s+(USE_\w+)\b/;
 114 }
 115 close(CFG);
 116
 117 # perl.h logic duplication begins
 118
 119 if ($define{PERL_IMPLICIT_SYS}) {
 120     $define{PL_OP_SLAB_ALLOC} = 1;
 121 }
 122
 123 if ($define{USE_ITHREADS}) {
 124     if (!$define{MULTIPLICITY}) {
 125         $define{MULTIPLICITY} = 1;
 126     }
 127 }
 128
 129 $define{PERL_IMPLICIT_CONTEXT} ||=
 130     $define{USE_ITHREADS} ||
 131     $define{USE_5005THREADS}  ||
 132     $define{MULTIPLICITY} ;
 133
 134 if ($define{USE_ITHREADS} && $PLATFORM ne 'win32' && $^O ne 'darwin') {
 135     $define{USE_REENTRANT_API} = 1;
 136 }
 137
 138 # perl.h logic duplication ends
 139
 140 my $sym_ord = 0;
 141
 142 if ($PLATFORM eq 'win32') {
 143     warn join(' ',keys %define)."\n";
 144     print "LIBRARY perl58\n";
 145     print "DESCRIPTION 'Perl interpreter'\n";
 146     print "EXPORTS\n";
 147     if ($define{PERL_IMPLICIT_SYS}) {
 148         output_symbol("perl_get_host_info");
 149         output_symbol("perl_alloc_override");
 150         output_symbol("perl_clone_host");
 151     }
 152 }
 153 elsif ($PLATFORM eq 'os2') {
 154     if (open my $fh, '<', 'perl5.def') {
 155       while (<$fh>) {
 156         last if /^\s*EXPORTS\b/;
 157       }
 158       while (<$fh>) {
 159         $ordinal{$1} = $2 if /^\s*"(\w+)"\s*\@(\d+)\s*$/;
 160         # This allows skipping ordinals which were used in older versions
 161         $sym_ord = $1 if /^\s*;\s*LAST_ORDINAL\s*=\s*(\d+)\s*$/;
 162       }
 163       $sym_ord < $_ and $sym_ord = $_ for values %ordinal; # Take the max
 164     }
 165     ($v = $]) =~ s/(\d\.\d\d\d)(\d\d)$/$1_$2/;
 166     $v .= '-thread' if $ARCHNAME =~ /-thread/;
 167     ($dll = $define{PERL_DLL}) =~ s/\.dll$//i;
 168     $v .= "\@$PATCHLEVEL" if $PATCHLEVEL;
 169     $d = "DESCRIPTION '\@#perl5-porters\@perl.org:$v#\@ Perl interpreter, configured as $CONFIG_ARGS'";
 170     $d = substr($d, 0, 249) . "...'" if length $d > 253;
 171     print <<"---EOP---";
 172 LIBRARY '$dll' INITINSTANCE TERMINSTANCE
 173 $d
 174 STACKSIZE 32768
 175 CODE LOADONCALL
 176 DATA LOADONCALL NONSHARED MULTIPLE
 177 EXPORTS
 178 ---EOP---
 179 }
 180 elsif ($PLATFORM eq 'aix') {
 181     $OSVER = `uname -v`;
 182     chop $OSVER;
 183     $OSREL = `uname -r`;
 184     chop $OSREL;
 185     if ($OSVER > 4 || ($OSVER == 4 && $OSREL >= 3)) {
 186         print "#! ..\n";
 187     } else {
 188         print "#!\n";
 189     }
 190 }
 191 elsif ($PLATFORM eq 'netware') {
 192         if ($FILETYPE eq 'def') {
 193         print "LIBRARY perl58\n";
 194         print "DESCRIPTION 'Perl interpreter for NetWare'\n";
 195         print "EXPORTS\n";
 196         }
 197         if ($define{PERL_IMPLICIT_SYS}) {
 198             output_symbol("perl_get_host_info");
 199             output_symbol("perl_alloc_override");
 200             output_symbol("perl_clone_host");
 201         }
 202 }
 203
 204 my %skip;
 205 my %export;
 206
 207 sub skip_symbols {
 208     my $list = shift;
 209     foreach my $symbol (@$list) {
 210         $skip{$symbol} = 1;
 211     }
 212 }
 213
 214 sub emit_symbols {
 215     my $list = shift;
 216     foreach my $symbol (@$list) {
 217         my $skipsym = $symbol;
 218         # XXX hack
 219         if ($define{MULTIPLICITY}) {
 220             $skipsym =~ s/^Perl_[GIT](\w+)_ptr$/PL_$1/;
 221         }
 222         emit_symbol($symbol) unless exists $skip{$skipsym};
 223     }
 224 }
 225
 226 if ($PLATFORM eq 'win32') {
 227     skip_symbols [qw(
 228                      PL_statusvalue_vms
 229                      PL_archpat_auto
 230                      PL_cryptseen
 231                      PL_DBcv
 232                      PL_generation
 233                      PL_lastgotoprobe
 234                      PL_linestart
 235                      PL_modcount
 236                      PL_pending_ident
 237                      PL_sortcxix
 238                      PL_sublex_info
 239                      PL_timesbuf
 240                      main
 241                      Perl_ErrorNo
 242                      Perl_GetVars
 243                      Perl_do_exec3
 244                      Perl_do_ipcctl
 245                      Perl_do_ipcget
 246                      Perl_do_msgrcv
 247                      Perl_do_msgsnd
 248                      Perl_do_semop
 249                      Perl_do_shmio
 250                      Perl_dump_fds
 251                      Perl_init_thread_intern
 252                      Perl_my_bzero
 253                      Perl_my_bcopy
 254                      Perl_my_htonl
 255                      Perl_my_ntohl
 256                      Perl_my_swap
 257                      Perl_my_chsize
 258                      Perl_same_dirent
 259                      Perl_setenv_getix
 260                      Perl_unlnk
 261                      Perl_watch
 262                      Perl_safexcalloc
 263                      Perl_safexmalloc
 264                      Perl_safexfree
 265                      Perl_safexrealloc
 266                      Perl_my_memcmp
 267                      Perl_my_memset
 268                      PL_cshlen
 269                      PL_cshname
 270                      PL_opsave
 271                      Perl_do_exec
 272                      Perl_getenv_len
 273                      Perl_my_pclose
 274                      Perl_my_popen
 275                      )];
 276 }
 277 elsif ($PLATFORM eq 'aix') {
 278     skip_symbols([qw(
 279                      Perl_dump_fds
 280                      Perl_ErrorNo
 281                      Perl_GetVars
 282                      Perl_my_bcopy
 283                      Perl_my_bzero
 284                      Perl_my_chsize
 285                      Perl_my_htonl
 286                      Perl_my_memcmp
 287                      Perl_my_memset
 288                      Perl_my_ntohl
 289                      Perl_my_swap
 290                      Perl_safexcalloc
 291                      Perl_safexfree
 292                      Perl_safexmalloc
 293                      Perl_safexrealloc
 294                      Perl_same_dirent
 295                      Perl_unlnk
 296                      Perl_sys_intern_clear
 297                      Perl_sys_intern_dup
 298                      Perl_sys_intern_init
 299                      PL_cryptseen
 300                      PL_opsave
 301                      PL_statusvalue_vms
 302                      PL_sys_intern
 303                      )]);
 304 }
 305 elsif ($PLATFORM eq 'os2') {
 306     emit_symbols([qw(
 307                     ctermid
 308                     get_sysinfo
 309                     Perl_OS2_init
 310                     Perl_OS2_init3
 311                     Perl_OS2_term
 312                     OS2_Perl_data
 313                     dlopen
 314                     dlsym
 315                     dlerror
 316                     dlclose
 317                     my_tmpfile
 318                     my_tmpnam
 319                     my_flock
 320                     my_rmdir
 321                     my_mkdir
 322                     my_getpwuid
 323                     my_getpwnam
 324                     my_getpwent
 325                     my_setpwent
 326                     my_endpwent
 327                     setgrent
 328                     endgrent
 329                     getgrent
 330                     malloc_mutex
 331                     threads_mutex
 332                     nthreads
 333                     nthreads_cond
 334                     os2_cond_wait
 335                     os2_stat
 336                     pthread_join
 337                     pthread_create
 338                     pthread_detach
 339                     XS_Cwd_change_drive
 340                     XS_Cwd_current_drive
 341                     XS_Cwd_extLibpath
 342                     XS_Cwd_extLibpath_set
 343                     XS_Cwd_sys_abspath
 344                     XS_Cwd_sys_chdir
 345                     XS_Cwd_sys_cwd
 346                     XS_Cwd_sys_is_absolute
 347                     XS_Cwd_sys_is_relative
 348                     XS_Cwd_sys_is_rooted
 349                     XS_DynaLoader_mod2fname
 350                     XS_File__Copy_syscopy
 351                     Perl_Register_MQ
 352                     Perl_Deregister_MQ
 353                     Perl_Serve_Messages
 354                     Perl_Process_Messages
 355                     init_PMWIN_entries
 356                     PMWIN_entries
 357                     Perl_hab_GET
 358                     loadByOrdinal
 359                     pExtFCN
 360                     os2error
 361                     ResetWinError
 362                     CroakWinError
 363                     )]);
 364 }
 365 elsif ($PLATFORM eq 'MacOS') {
 366     skip_symbols [qw(
 367                     Perl_GetVars
 368                     PL_cryptseen
 369                     PL_cshlen
 370                     PL_cshname
 371                     PL_statusvalue_vms
 372                     PL_sys_intern
 373                     PL_opsave
 374                     PL_timesbuf
 375                     Perl_dump_fds
 376                     Perl_my_bcopy
 377                     Perl_my_bzero
 378                     Perl_my_chsize
 379                     Perl_my_htonl
 380                     Perl_my_memcmp
 381                     Perl_my_memset
 382                     Perl_my_ntohl
 383                     Perl_my_swap
 384                     Perl_safexcalloc
 385                     Perl_safexfree
 386                     Perl_safexmalloc
 387                     Perl_safexrealloc
 388                     Perl_unlnk
 389                     Perl_sys_intern_clear
 390                     Perl_sys_intern_init
 391                     )];
 392 }
 393 elsif ($PLATFORM eq 'netware') {
 394         skip_symbols [qw(
 395                         PL_statusvalue_vms
 396                         PL_archpat_auto
 397                         PL_cryptseen
 398                         PL_DBcv
 399                         PL_generation
 400                         PL_lastgotoprobe
 401                         PL_linestart
 402                         PL_modcount
 403                         PL_pending_ident
 404                         PL_sortcxix
 405                         PL_sublex_info
 406                         PL_timesbuf
 407                         main
 408                         Perl_ErrorNo
 409                         Perl_GetVars
 410                         Perl_do_exec3
 411                         Perl_do_ipcctl
 412                         Perl_do_ipcget
 413                         Perl_do_msgrcv
 414                         Perl_do_msgsnd
 415                         Perl_do_semop
 416                         Perl_do_shmio
 417                         Perl_dump_fds
 418                         Perl_init_thread_intern
 419                         Perl_my_bzero
 420                         Perl_my_htonl
 421                         Perl_my_ntohl
 422                         Perl_my_swap
 423                         Perl_my_chsize
 424                         Perl_same_dirent
 425                         Perl_setenv_getix
 426                         Perl_unlnk
 427                         Perl_watch
 428                         Perl_safexcalloc
 429                         Perl_safexmalloc
 430                         Perl_safexfree
 431                         Perl_safexrealloc
 432                         Perl_my_memcmp
 433                         Perl_my_memset
 434                         PL_cshlen
 435                         PL_cshname
 436                         PL_opsave
 437                         Perl_do_exec
 438                         Perl_getenv_len
 439                         Perl_my_pclose
 440                         Perl_my_popen
 441                         Perl_sys_intern_init
 442                         Perl_sys_intern_dup
 443                         Perl_sys_intern_clear
 444                         Perl_my_bcopy
 445                         Perl_PerlIO_write
 446                         Perl_PerlIO_unread
 447                         Perl_PerlIO_tell
 448                         Perl_PerlIO_stdout
 449                         Perl_PerlIO_stdin
 450                         Perl_PerlIO_stderr
 451                         Perl_PerlIO_setlinebuf
 452                         Perl_PerlIO_set_ptrcnt
 453                         Perl_PerlIO_set_cnt
 454                         Perl_PerlIO_seek
 455                         Perl_PerlIO_read
 456                         Perl_PerlIO_get_ptr
 457                         Perl_PerlIO_get_cnt
 458                         Perl_PerlIO_get_bufsiz
 459                         Perl_PerlIO_get_base
 460                         Perl_PerlIO_flush
 461                         Perl_PerlIO_fill
 462                         Perl_PerlIO_fileno
 463                         Perl_PerlIO_error
 464                         Perl_PerlIO_eof
 465                         Perl_PerlIO_close
 466                         Perl_PerlIO_clearerr
 467                         PerlIO_perlio
 468                         )];
 469 }
 470
 471 unless ($define{'DEBUGGING'}) {
 472     skip_symbols [qw(
 473                     Perl_deb_growlevel
 474                     Perl_debop
 475                     Perl_debprofdump
 476                     Perl_debstack
 477                     Perl_debstackptrs
 478                     Perl_sv_peek
 479                     PL_block_type
 480                     PL_watchaddr
 481                     PL_watchok
 482                     )];
 483 }
 484
 485 if ($define{'PERL_IMPLICIT_SYS'}) {
 486     skip_symbols [qw(
 487                     Perl_getenv_len
 488                     Perl_my_popen
 489                     Perl_my_pclose
 490                     )];
 491 }
 492 else {
 493     skip_symbols [qw(
 494                     PL_Mem
 495                     PL_MemShared
 496                     PL_MemParse
 497                     PL_Env
 498                     PL_StdIO
 499                     PL_LIO
 500                     PL_Dir
 501                     PL_Sock
 502                     PL_Proc
 503                     )];
 504 }
 505
 506 unless ($define{'PERL_FLEXIBLE_EXCEPTIONS'}) {
 507     skip_symbols [qw(
 508                     PL_protect
 509                     Perl_default_protect
 510                     Perl_vdefault_protect
 511                     )];
 512 }
 513
 514 unless ($define{'USE_REENTRANT_API'}) {
 515     skip_symbols [qw(
 516                     PL_reentrant_buffer
 517                     )];
 518 }
 519
 520 if ($define{'MYMALLOC'}) {
 521     emit_symbols [qw(
 522                     Perl_dump_mstats
 523                     Perl_get_mstats
 524                     Perl_strdup
 525                     Perl_putenv
 526                     )];
 527     if ($define{'USE_5005THREADS'} || $define{'USE_ITHREADS'}) {
 528         emit_symbols [qw(
 529                         PL_malloc_mutex
 530                         )];
 531     }
 532     else {
 533         skip_symbols [qw(
 534                         PL_malloc_mutex
 535                         )];
 536     }
 537 }
 538 else {
 539     skip_symbols [qw(
 540                     PL_malloc_mutex
 541                     Perl_dump_mstats
 542                     Perl_get_mstats
 543                     Perl_malloced_size
 544                     )];
 545 }
 546
 547 unless ($define{'USE_5005THREADS'} || $define{'USE_ITHREADS'}) {
 548     skip_symbols [qw(
 549                     PL_thr_key
 550                     )];
 551 }
 552
 553 unless ($define{'USE_5005THREADS'}) {
 554     skip_symbols [qw(
 555                     PL_sv_mutex
 556                     PL_strtab_mutex
 557                     PL_svref_mutex
 558                     PL_cred_mutex
 559                     PL_eval_mutex
 560                     PL_fdpid_mutex
 561                     PL_sv_lock_mutex
 562                     PL_eval_cond
 563                     PL_eval_owner
 564                     PL_threads_mutex
 565                     PL_nthreads
 566                     PL_nthreads_cond
 567                     PL_threadnum
 568                     PL_threadsv_names
 569                     PL_thrsv
 570                     PL_vtbl_mutex
 571                     Perl_condpair_magic
 572                     Perl_new_struct_thread
 573                     Perl_per_thread_magicals
 574                     Perl_thread_create
 575                     Perl_find_threadsv
 576                     Perl_unlock_condpair
 577                     Perl_magic_mutexfree
 578                     Perl_sv_lock
 579                     )];
 580 }
 581
 582 unless ($define{'USE_ITHREADS'}) {
 583     skip_symbols [qw(
 584                     PL_ptr_table
 585                     PL_op_mutex
 586                     PL_regex_pad
 587                     PL_regex_padav
 588                     PL_sharedsv_space
 589                     PL_sharedsv_space_mutex
 590                     Perl_dirp_dup
 591                     Perl_cx_dup
 592                     Perl_si_dup
 593                     Perl_any_dup
 594                     Perl_ss_dup
 595                     Perl_fp_dup
 596                     Perl_gp_dup
 597                     Perl_he_dup
 598                     Perl_mg_dup
 599                     Perl_re_dup
 600                     Perl_sv_dup
 601                     Perl_sys_intern_dup
 602                     Perl_ptr_table_clear
 603                     Perl_ptr_table_fetch
 604                     Perl_ptr_table_free
 605                     Perl_ptr_table_new
 606                     Perl_ptr_table_clear
 607                     Perl_ptr_table_free
 608                     Perl_ptr_table_split
 609                     Perl_ptr_table_store
 610                     perl_clone
 611                     perl_clone_using
 612                     Perl_sharedsv_find
 613                     Perl_sharedsv_init
 614                     Perl_sharedsv_lock
 615                     Perl_sharedsv_new
 616                     Perl_sharedsv_thrcnt_dec
 617                     Perl_sharedsv_thrcnt_inc
 618                     Perl_sharedsv_unlock
 619                     )];
 620 }
 621
 622 unless ($define{'PERL_IMPLICIT_CONTEXT'}) {
 623     skip_symbols [qw(
 624                     Perl_croak_nocontext
 625                     Perl_die_nocontext
 626                     Perl_deb_nocontext
 627                     Perl_form_nocontext
 628                     Perl_load_module_nocontext
 629                     Perl_mess_nocontext
 630                     Perl_warn_nocontext
 631                     Perl_warner_nocontext
 632                     Perl_newSVpvf_nocontext
 633                     Perl_sv_catpvf_nocontext
 634                     Perl_sv_setpvf_nocontext
 635                     Perl_sv_catpvf_mg_nocontext
 636                     Perl_sv_setpvf_mg_nocontext
 637                     )];
 638 }
 639
 640 unless ($define{'PERL_IMPLICIT_SYS'}) {
 641     skip_symbols [qw(
 642                     perl_alloc_using
 643                     perl_clone_using
 644                     )];
 645 }
 646
 647 unless ($define{'FAKE_THREADS'}) {
 648     skip_symbols [qw(PL_curthr)];
 649 }
 650
 651 unless ($define{'PL_OP_SLAB_ALLOC'}) {
 652     skip_symbols [qw(
 653                      PL_OpPtr
 654                      PL_OpSlab
 655                      PL_OpSpace
 656                     )];
 657 }
 658
 659 sub readvar {
 660     my $file = shift;
 661     my $proc = shift || sub { "PL_$_[2]" };
 662     open(VARS,$file) || die "Cannot open $file: $!\n";
 663     my @syms;
 664     while (<VARS>) {
 665         # All symbols have a Perl_ prefix because that's what embed.h
 666         # sticks in front of them.
 667         push(@syms, &$proc($1,$2,$3)) if (/\bPERLVAR(A?I?C?)\(([IGT])(\w+)/);
 668     }
 669     close(VARS);
 670     return \@syms;
 671 }
 672
 673 if ($define{'USE_5005THREADS'}) {
 674     my $thrd = readvar($thrdvar_h);
 675     skip_symbols $thrd;
 676 }
 677
 678 if ($define{'PERL_GLOBAL_STRUCT'}) {
 679     my $global = readvar($perlvars_h);
 680     skip_symbols $global;
 681     emit_symbol('Perl_GetVars');
 682     emit_symbols [qw(PL_Vars PL_VarsPtr)] unless $CCTYPE eq 'GCC';
 683 }
 684
 685 # functions from *.sym files
 686
 687 my @syms = ($global_sym, $globvar_sym); # $pp_sym is not part of the API
 688
 689 my @layer_syms = qw(
 690                          PerlIOBase_clearerr
 691                          PerlIOBase_close
 692                          PerlIOBase_dup
 693                          PerlIOBase_eof
 694                          PerlIOBase_error
 695                          PerlIOBase_fileno
 696                          PerlIOBase_pushed
 697                          PerlIOBase_read
 698                          PerlIOBase_setlinebuf
 699                          PerlIOBase_unread
 700                          PerlIOBuf_bufsiz
 701                          PerlIOBuf_fill
 702                          PerlIOBuf_flush
 703                          PerlIOBuf_get_cnt
 704                          PerlIOBuf_get_ptr
 705                          PerlIOBuf_open
 706                          PerlIOBuf_pushed
 707                          PerlIOBuf_read
 708                          PerlIOBuf_seek
 709                          PerlIOBuf_set_ptrcnt
 710                          PerlIOBuf_tell
 711                          PerlIOBuf_unread
 712                          PerlIOBuf_write
 713                          PerlIO_allocate
 714                          PerlIO_arg_fetch
 715                          PerlIO_define_layer
 716                          PerlIO_modestr
 717                          PerlIO_pending
 718                          PerlIO_push
 719                          PerlIO_sv_dup
 720                          PL_def_layerlist
 721                          PL_known_layers
 722                          PL_perlio
 723 );
 724
 725 if ($define{'USE_PERLIO'}) {
 726     push @syms, $perlio_sym;
 727     if ($define{'USE_SFIO'}) {
 728         skip_symbols \@layer_syms;
 729         # SFIO defines most of the PerlIO routines as macros
 730         skip_symbols [qw(
 731                          PerlIO_canset_cnt
 732                          PerlIO_clearerr
 733                          PerlIO_close
 734                          PerlIO_eof
 735                          PerlIO_error
 736                          PerlIO_exportFILE
 737                          PerlIO_fast_gets
 738                          PerlIO_fdopen
 739                          PerlIO_fileno
 740                          PerlIO_findFILE
 741                          PerlIO_flush
 742                          PerlIO_get_base
 743                          PerlIO_get_bufsiz
 744                          PerlIO_get_cnt
 745                          PerlIO_get_ptr
 746                          PerlIO_getc
 747                          PerlIO_getname
 748                          PerlIO_has_base
 749                          PerlIO_has_cntptr
 750                          PerlIO_importFILE
 751                          PerlIO_open
 752                          PerlIO_printf
 753                          PerlIO_putc
 754                          PerlIO_puts
 755                          PerlIO_read
 756                          PerlIO_releaseFILE
 757                          PerlIO_reopen
 758                          PerlIO_rewind
 759                          PerlIO_seek
 760                          PerlIO_set_cnt
 761                          PerlIO_set_ptrcnt
 762                          PerlIO_setlinebuf
 763                          PerlIO_sprintf
 764                          PerlIO_stderr
 765                          PerlIO_stdin
 766                          PerlIO_stdout
 767                          PerlIO_stdoutf
 768                          PerlIO_tell
 769                          PerlIO_ungetc
 770                          PerlIO_vprintf
 771                          PerlIO_write
 772                          )];
 773     }
 774 } else {
 775         # Skip the PerlIO New Generation symbols.
 776         skip_symbols \@layer_syms;
 777 }
 778
 779 for my $syms (@syms) {
 780     open (GLOBAL, "<$syms") || die "failed to open $syms: $!\n";
 781     while (<GLOBAL>) {
 782         next if (!/^[A-Za-z]/);
 783         # Functions have a Perl_ prefix
 784         # Variables have a PL_ prefix
 785         chomp($_);
 786         my $symbol = ($syms =~ /var\.sym$/i ? "PL_" : "");
 787         $symbol .= $_;
 788         emit_symbol($symbol) unless exists $skip{$symbol};
 789     }
 790     close(GLOBAL);
 791 }
 792
 793 # variables
 794
 795 if ($define{'MULTIPLICITY'}) {
 796     for my $f ($perlvars_h, $intrpvar_h, $thrdvar_h) {
 797         my $glob = readvar($f, sub { "Perl_" . $_[1] . $_[2] . "_ptr" });
 798         emit_symbols $glob;
 799     }
 800     # XXX AIX seems to want the perlvars.h symbols, for some reason
 801     if ($PLATFORM eq 'aix') {
 802         my $glob = readvar($perlvars_h);
 803         emit_symbols $glob;
 804     }
 805 }
 806 else {
 807     unless ($define{'PERL_GLOBAL_STRUCT'}) {
 808         my $glob = readvar($perlvars_h);
 809         emit_symbols $glob;
 810     }
 811     unless ($define{'MULTIPLICITY'}) {
 812         my $glob = readvar($intrpvar_h);
 813         emit_symbols $glob;
 814     }
 815     unless ($define{'MULTIPLICITY'} || $define{'USE_5005THREADS'}) {
 816         my $glob = readvar($thrdvar_h);
 817         emit_symbols $glob;
 818     }
 819 }
 820
 821 sub try_symbol {
 822     my $symbol = shift;
 823
 824     return if $symbol !~ /^[A-Za-z_]/;
 825     return if $symbol =~ /^\#/;
 826     $symbol =~s/\r//g;
 827     chomp($symbol);
 828     return if exists $skip{$symbol};
 829     emit_symbol($symbol);
 830 }
 831
 832 while (<DATA>) {
 833     try_symbol($_);
 834 }
 835
 836 if ($PLATFORM eq 'win32') {
 837     foreach my $symbol (qw(
 838                             setuid
 839                             setgid
 840                             boot_DynaLoader
 841                             Perl_init_os_extras
 842                             Perl_thread_create
 843                             Perl_win32_init
 844                             RunPerl
 845                             win32_async_check
 846                             win32_errno
 847                             win32_environ
 848                             win32_abort
 849                             win32_fstat
 850                             win32_stat
 851                             win32_pipe
 852                             win32_popen
 853                             win32_pclose
 854                             win32_rename
 855                             win32_setmode
 856                             win32_lseek
 857                             win32_tell
 858                             win32_dup
 859                             win32_dup2
 860                             win32_open
 861                             win32_close
 862                             win32_eof
 863                             win32_read
 864                             win32_write
 865                             win32_spawnvp
 866                             win32_mkdir
 867                             win32_rmdir
 868                             win32_chdir
 869                             win32_flock
 870                             win32_execv
 871                             win32_execvp
 872                             win32_htons
 873                             win32_ntohs
 874                             win32_htonl
 875                             win32_ntohl
 876                             win32_inet_addr
 877                             win32_inet_ntoa
 878                             win32_socket
 879                             win32_bind
 880                             win32_listen
 881                             win32_accept
 882                             win32_connect
 883                             win32_send
 884                             win32_sendto
 885                             win32_recv
 886                             win32_recvfrom
 887                             win32_shutdown
 888                             win32_closesocket
 889                             win32_ioctlsocket
 890                             win32_setsockopt
 891                             win32_getsockopt
 892                             win32_getpeername
 893                             win32_getsockname
 894                             win32_gethostname
 895                             win32_gethostbyname
 896                             win32_gethostbyaddr
 897                             win32_getprotobyname
 898                             win32_getprotobynumber
 899                             win32_getservbyname
 900                             win32_getservbyport
 901                             win32_select
 902                             win32_endhostent
 903                             win32_endnetent
 904                             win32_endprotoent
 905                             win32_endservent
 906                             win32_getnetent
 907                             win32_getnetbyname
 908                             win32_getnetbyaddr
 909                             win32_getprotoent
 910                             win32_getservent
 911                             win32_sethostent
 912                             win32_setnetent
 913                             win32_setprotoent
 914                             win32_setservent
 915                             win32_getenv
 916                             win32_putenv
 917                             win32_perror
 918                             win32_malloc
 919                             win32_calloc
 920                             win32_realloc
 921                             win32_free
 922                             win32_sleep
 923                             win32_times
 924                             win32_access
 925                             win32_alarm
 926                             win32_chmod
 927                             win32_open_osfhandle
 928                             win32_get_osfhandle
 929                             win32_ioctl
 930                             win32_link
 931                             win32_unlink
 932                             win32_utime
 933                             win32_uname
 934                             win32_wait
 935                             win32_waitpid
 936                             win32_kill
 937                             win32_str_os_error
 938                             win32_opendir
 939                             win32_readdir
 940                             win32_telldir
 941                             win32_seekdir
 942                             win32_rewinddir
 943                             win32_closedir
 944                             win32_longpath
 945                             win32_os_id
 946                             win32_getpid
 947                             win32_crypt
 948                             win32_dynaload
 949                             win32_get_childenv
 950                             win32_free_childenv
 951                             win32_clearenv
 952                             win32_get_childdir
 953                             win32_free_childdir
 954                             win32_stdin
 955                             win32_stdout
 956                             win32_stderr
 957                             win32_ferror
 958                             win32_feof
 959                             win32_strerror
 960                             win32_fprintf
 961                             win32_printf
 962                             win32_vfprintf
 963                             win32_vprintf
 964                             win32_fread
 965                             win32_fwrite
 966                             win32_fopen
 967                             win32_fdopen
 968                             win32_freopen
 969                             win32_fclose
 970                             win32_fputs
 971                             win32_fputc
 972                             win32_ungetc
 973                             win32_getc
 974                             win32_fileno
 975                             win32_clearerr
 976                             win32_fflush
 977                             win32_ftell
 978                             win32_fseek
 979                             win32_fgetpos
 980                             win32_fsetpos
 981                             win32_rewind
 982                             win32_tmpfile
 983                             win32_setbuf
 984                             win32_setvbuf
 985                             win32_flushall
 986                             win32_fcloseall
 987                             win32_fgets
 988                             win32_gets
 989                             win32_fgetc
 990                             win32_putc
 991                             win32_puts
 992                             win32_getchar
 993                             win32_putchar
 994                            ))
 995     {
 996         try_symbol($symbol);
 997     }
 998 }
 999 elsif ($PLATFORM eq 'os2') {
1000     open MAP, 'miniperl.map' or die 'Cannot read miniperl.map';
1001     /^\s*[\da-f:]+\s+(\w+)/i and $mapped{$1}++ foreach <MAP>;
1002     close MAP or die 'Cannot close miniperl.map';
1003
1004     @missing = grep { !exists $mapped{$_} and !exists $bincompat5005{$_} }
1005                     keys %export;
1006     delete $export{$_} foreach @missing;
1007 }
1008 elsif ($PLATFORM eq 'MacOS') {
1009     open MACSYMS, 'macperl.sym' or die 'Cannot read macperl.sym';
1010
1011     while (<MACSYMS>) {
1012         try_symbol($_);
1013     }
1014
1015     close MACSYMS;
1016 }
1017 elsif ($PLATFORM eq 'netware') {
1018 foreach my $symbol (qw(
1019                         boot_DynaLoader
1020                         Perl_init_os_extras
1021                         Perl_thread_create
1022                         Perl_nw5_init
1023                         RunPerl
1024                         AllocStdPerl
1025                         FreeStdPerl
1026                         do_spawn2
1027                         do_aspawn
1028                         nw_uname
1029                         nw_stdin
1030                         nw_stdout
1031                         nw_stderr
1032                         nw_feof
1033                         nw_ferror
1034                         nw_fopen
1035                         nw_fclose
1036                         nw_clearerr
1037                         nw_getc
1038                         nw_fgets
1039                         nw_fputc
1040                         nw_fputs
1041                         nw_fflush
1042                         nw_ungetc
1043                         nw_fileno
1044                         nw_fdopen
1045                         nw_freopen
1046                         nw_fread
1047                         nw_fwrite
1048                         nw_setbuf
1049                         nw_setvbuf
1050                         nw_vfprintf
1051                         nw_ftell
1052                         nw_fseek
1053                         nw_rewind
1054                         nw_tmpfile
1055                         nw_fgetpos
1056                         nw_fsetpos
1057                         nw_dup
1058                         nw_access
1059                         nw_chmod
1060                         nw_chsize
1061                         nw_close
1062                         nw_dup2
1063                         nw_flock
1064                         nw_isatty
1065                         nw_link
1066                         nw_lseek
1067                         nw_stat
1068                         nw_mktemp
1069                         nw_open
1070                         nw_read
1071                         nw_rename
1072                         nw_setmode
1073                         nw_unlink
1074                         nw_utime
1075                         nw_write
1076                         nw_chdir
1077                         nw_rmdir
1078                         nw_closedir
1079                         nw_opendir
1080                         nw_readdir
1081                         nw_rewinddir
1082                         nw_seekdir
1083                         nw_telldir
1084                         nw_htonl
1085                         nw_htons
1086                         nw_ntohl
1087                         nw_ntohs
1088                         nw_accept
1089                         nw_bind
1090                         nw_connect
1091                         nw_endhostent
1092                         nw_endnetent
1093                         nw_endprotoent
1094                         nw_endservent
1095                         nw_gethostbyaddr
1096                         nw_gethostbyname
1097                         nw_gethostent
1098                         nw_gethostname
1099                         nw_getnetbyaddr
1100                         nw_getnetbyname
1101                         nw_getnetent
1102                         nw_getpeername
1103                         nw_getprotobyname
1104                         nw_getprotobynumber
1105                         nw_getprotoent
1106                         nw_getservbyname
1107                         nw_getservbyport
1108                         nw_getservent
1109                         nw_getsockname
1110                         nw_getsockopt
1111                         nw_inet_addr
1112                         nw_listen
1113                         nw_socket
1114                         nw_recv
1115                         nw_recvfrom
1116                         nw_select
1117                         nw_send
1118                         nw_sendto
1119                         nw_sethostent
1120                         nw_setnetent
1121                         nw_setprotoent
1122                         nw_setservent
1123                         nw_setsockopt
1124                         nw_inet_ntoa
1125                         nw_shutdown
1126                         nw_crypt
1127                         nw_execvp
1128                         nw_kill
1129                         nw_Popen
1130                         nw_Pclose
1131                         nw_Pipe
1132                         nw_times
1133                         nw_waitpid
1134                         nw_getpid
1135                         nw_spawnvp
1136                         nw_os_id
1137                         nw_open_osfhandle
1138                         nw_get_osfhandle
1139                         nw_abort
1140                         nw_sleep
1141                         nw_wait
1142                         nw_dynaload
1143                         nw_strerror
1144                         fnFpSetMode
1145                         fnInsertHashListAddrs
1146                         fnGetHashListAddrs
1147                         Perl_deb
1148                         Perl_sv_setsv
1149                         Perl_sv_catsv
1150                         Perl_sv_catpvn
1151                         Perl_sv_2pv
1152                            ))
1153     {
1154         try_symbol($symbol);
1155     }
1156 }
1157
1158 # Now all symbols should be defined because
1159 # next we are going to output them.
1160
1161 foreach my $symbol (sort keys %export) {
1162     output_symbol($symbol);
1163 }
1164
1165 if ($PLATFORM eq 'os2') {
1166         print "; LAST_ORDINAL=$sym_ord\n";
1167 }
1168
1169 sub emit_symbol {
1170     my $symbol = shift;
1171     chomp($symbol);
1172     $export{$symbol} = 1;
1173 }
1174
1175 sub output_symbol {
1176     my $symbol = shift;
1177     $symbol = $bincompat5005{$symbol}
1178         if $define{PERL_BINCOMPAT_5005} and $symbol =~ /^($bincompat5005)$/;
1179     if ($PLATFORM eq 'win32') {
1180         $symbol = "_$symbol" if $CCTYPE eq 'BORLAND';
1181         print "\t$symbol\n";
1182 # XXX: binary compatibility between compilers is an exercise
1183 # in frustration :-(
1184 #        if ($CCTYPE eq "BORLAND") {
1185 #           # workaround Borland quirk by exporting both the straight
1186 #           # name and a name with leading underscore.  Note the
1187 #           # alias *must* come after the symbol itself, if both
1188 #           # are to be exported. (Linker bug?)
1189 #           print "\t_$symbol\n";
1190 #           print "\t$symbol = _$symbol\n";
1191 #       }
1192 #       elsif ($CCTYPE eq 'GCC') {
1193 #           # Symbols have leading _ whole process is $%@"% slow
1194 #           # so skip aliases for now
1195 #           nprint "\t$symbol\n";
1196 #       }
1197 #       else {
1198 #           # for binary coexistence, export both the symbol and
1199 #           # alias with leading underscore
1200 #           print "\t$symbol\n";
1201 #           print "\t_$symbol = $symbol\n";
1202 #       }
1203     }
1204     elsif ($PLATFORM eq 'os2') {
1205         printf qq(    %-31s \@%s\n),
1206           qq("$symbol"), $ordinal{$symbol} || ++$sym_ord;
1207     }
1208     elsif ($PLATFORM eq 'aix' || $PLATFORM eq 'MacOS') {
1209         print "$symbol\n";
1210     }
1211         elsif ($PLATFORM eq 'netware') {
1212         print "\t$symbol,\n";
1213         }
1214 }
1215
1216 1;
1217 __DATA__
1218 # extra globals not included above.
1219 Perl_cxinc
1220 perl_alloc
1221 perl_alloc_using
1222 perl_clone
1223 perl_clone_using
1224 perl_construct
1225 perl_destruct
1226 perl_free
1227 perl_parse
1228 perl_run
1229 PerlIOBase_clearerr
1230 PerlIOBase_close
1231 PerlIOBase_dup
1232 PerlIOBase_eof
1233 PerlIOBase_error
1234 PerlIOBase_fileno
1235 PerlIOBase_pushed
1236 PerlIOBase_read
1237 PerlIOBase_setlinebuf
1238 PerlIOBase_unread
1239 PerlIOBuf_bufsiz
1240 PerlIOBuf_fill
1241 PerlIOBuf_flush
1242 PerlIOBuf_get_cnt
1243 PerlIOBuf_get_ptr
1244 PerlIOBuf_open
1245 PerlIOBuf_pushed
1246 PerlIOBuf_read
1247 PerlIOBuf_seek
1248 PerlIOBuf_set_ptrcnt
1249 PerlIOBuf_tell
1250 PerlIOBuf_unread
1251 PerlIOBuf_write
1252 PerlIO_allocate
1253 PerlIO_apply_layers
1254 PerlIO_arg_fetch
1255 PerlIO_binmode
1256 PerlIO_define_layer
1257 PerlIO_define_layer
1258 PerlIO_getpos
1259 PerlIO_init
1260 PerlIO_modestr
1261 PerlIO_pending
1262 PerlIO_perlio
1263 PerlIO_push
1264 PerlIO_setpos
1265 PerlIO_sprintf
1266 PerlIO_sv_dup
1267 PerlIO_tmpfile
1268 PerlIO_vsprintf
1269 perlsio_binmode