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 while (@ARGV) {
  15     my $flag = shift;
  16     $define{$1} = 1 if ($flag =~ /^-D(\w+)$/);
  17     $define{$1} = $2 if ($flag =~ /^-D(\w+)=(.+)$/);
  18     $CCTYPE   = $1 if ($flag =~ /^CCTYPE=(\w+)$/);
  19     $PLATFORM = $1 if ($flag =~ /^PLATFORM=(\w+)$/);
  20     if ($PLATFORM eq 'netware') {
  21         $FILETYPE = $1 if ($flag =~ /^FILETYPE=(\w+)$/);
  22     }
  23 }
  24
  25 my @PLATFORM = qw(aix win32 wince os2 MacOS netware);
  26 my %PLATFORM;
  27 @PLATFORM{@PLATFORM} = ();
  28
  29 defined $PLATFORM || die "PLATFORM undefined, must be one of: @PLATFORM\n";
  30 exists $PLATFORM{$PLATFORM} || die "PLATFORM must be one of: @PLATFORM\n";
  31
  32 my $config_sh   = "config.sh";
  33 my $config_h    = "config.h";
  34 my $thrdvar_h   = "thrdvar.h";
  35 my $intrpvar_h  = "intrpvar.h";
  36 my $perlvars_h  = "perlvars.h";
  37 my $global_sym  = "global.sym";
  38 my $pp_sym      = "pp.sym";
  39 my $globvar_sym = "globvar.sym";
  40 my $perlio_sym  = "perlio.sym";
  41
  42 if ($PLATFORM eq 'aix') {
  43     # Nothing for now.
  44 }
  45 elsif ($PLATFORM =~ /^win(?:32|ce)$/ || $PLATFORM eq 'netware') {
  46     $CCTYPE = "MSVC" unless defined $CCTYPE;
  47     foreach ($thrdvar_h, $intrpvar_h, $perlvars_h, $global_sym,
  48                 $pp_sym, $globvar_sym, $perlio_sym) {
  49         s!^!..\\!;
  50     }
  51 }
  52 elsif ($PLATFORM eq 'MacOS') {
  53     foreach ($thrdvar_h, $intrpvar_h, $perlvars_h, $global_sym,
  54                 $pp_sym, $globvar_sym, $perlio_sym) {
  55         s!^!::!;
  56     }
  57 }
  58
  59 unless ($PLATFORM eq 'win32' || $PLATFORM eq 'wince' || $PLATFORM eq 'MacOS' || $PLATFORM eq 'netware') {
  60     open(CFG,$config_sh) || die "Cannot open $config_sh: $!\n";
  61     while (<CFG>) {
  62         if (/^(?:ccflags|optimize)='(.+)'$/) {
  63             $_ = $1;
  64             $define{$1} = 1 while /-D(\w+)/g;
  65         }
  66         if ($PLATFORM eq 'os2') {
  67             $CONFIG_ARGS = $1 if /^config_args='(.+)'$/;
  68             $ARCHNAME =    $1 if /^archname='(.+)'$/;
  69             $PATCHLEVEL =  $1 if /^perl_patchlevel='(.+)'$/;
  70         }
  71     }
  72     close(CFG);
  73 }
  74
  75 open(CFG,$config_h) || die "Cannot open $config_h: $!\n";
  76 while (<CFG>) {
  77     $define{$1} = 1 if /^\s*#\s*define\s+(MYMALLOC)\b/;
  78     $define{$1} = 1 if /^\s*#\s*define\s+(MULTIPLICITY)\b/;
  79     $define{$1} = 1 if /^\s*#\s*define\s+(PERL_\w+)\b/;
  80     $define{$1} = 1 if /^\s*#\s*define\s+(USE_\w+)\b/;
  81 }
  82 close(CFG);
  83
  84 # perl.h logic duplication begins
  85
  86 if ($define{PERL_IMPLICIT_SYS}) {
  87     $define{PL_OP_SLAB_ALLOC} = 1;
  88 }
  89
  90 if ($define{USE_ITHREADS}) {
  91     if (!$define{MULTIPLICITY}) {
  92         $define{MULTIPLICITY} = 1;
  93     }
  94 }
  95
  96 $define{PERL_IMPLICIT_CONTEXT} ||=
  97     $define{USE_ITHREADS} ||
  98     $define{USE_5005THREADS}  ||
  99     $define{MULTIPLICITY} ;
 100
 101 if ($define{USE_ITHREADS} && $PLATFORM ne 'win32' && $^O ne 'darwin') {
 102     $define{USE_REENTRANT_API} = 1;
 103 }
 104
 105 # perl.h logic duplication ends
 106
 107 my $sym_ord = 0;
 108
 109 if ($PLATFORM =~ /^win(?:32|ce)$/) {
 110     warn join(' ',keys %define)."\n";
 111     ($dll = ($define{PERL_DLL} || "perl58")) =~ s/\.dll$//i;
 112     print "LIBRARY $dll\n";
 113     print "DESCRIPTION 'Perl interpreter'\n";
 114     print "EXPORTS\n";
 115     if ($define{PERL_IMPLICIT_SYS}) {
 116         output_symbol("perl_get_host_info");
 117         output_symbol("perl_alloc_override");
 118     }
 119     if ($define{USE_ITHREADS} and $define{PERL_IMPLICIT_SYS}) {
 120         output_symbol("perl_clone_host");
 121     }
 122 }
 123 elsif ($PLATFORM eq 'os2') {
 124     if (open my $fh, '<', 'perl5.def') {
 125       while (<$fh>) {
 126         last if /^\s*EXPORTS\b/;
 127       }
 128       while (<$fh>) {
 129         $ordinal{$1} = $2 if /^\s*"(\w+)"\s*\@(\d+)\s*$/;
 130         # This allows skipping ordinals which were used in older versions
 131         $sym_ord = $1 if /^\s*;\s*LAST_ORDINAL\s*=\s*(\d+)\s*$/;
 132       }
 133       $sym_ord < $_ and $sym_ord = $_ for values %ordinal; # Take the max
 134     }
 135     ($v = $]) =~ s/(\d\.\d\d\d)(\d\d)$/$1_$2/;
 136     $v .= '-thread' if $ARCHNAME =~ /-thread/;
 137     ($dll = $define{PERL_DLL}) =~ s/\.dll$//i;
 138     $v .= "\@$PATCHLEVEL" if $PATCHLEVEL;
 139     $d = "DESCRIPTION '\@#perl5-porters\@perl.org:$v#\@ Perl interpreter, configured as $CONFIG_ARGS'";
 140     $d = substr($d, 0, 249) . "...'" if length $d > 253;
 141     print <<"---EOP---";
 142 LIBRARY '$dll' INITINSTANCE TERMINSTANCE
 143 $d
 144 STACKSIZE 32768
 145 CODE LOADONCALL
 146 DATA LOADONCALL NONSHARED MULTIPLE
 147 EXPORTS
 148 ---EOP---
 149 }
 150 elsif ($PLATFORM eq 'aix') {
 151     $OSVER = `uname -v`;
 152     chop $OSVER;
 153     $OSREL = `uname -r`;
 154     chop $OSREL;
 155     if ($OSVER > 4 || ($OSVER == 4 && $OSREL >= 3)) {
 156         print "#! ..\n";
 157     } else {
 158         print "#!\n";
 159     }
 160 }
 161 elsif ($PLATFORM eq 'netware') {
 162         if ($FILETYPE eq 'def') {
 163         print "LIBRARY perl58\n";
 164         print "DESCRIPTION 'Perl interpreter for NetWare'\n";
 165         print "EXPORTS\n";
 166         }
 167         if ($define{PERL_IMPLICIT_SYS}) {
 168             output_symbol("perl_get_host_info");
 169             output_symbol("perl_alloc_override");
 170             output_symbol("perl_clone_host");
 171         }
 172 }
 173
 174 my %skip;
 175 my %export;
 176
 177 sub skip_symbols {
 178     my $list = shift;
 179     foreach my $symbol (@$list) {
 180         $skip{$symbol} = 1;
 181     }
 182 }
 183
 184 sub emit_symbols {
 185     my $list = shift;
 186     foreach my $symbol (@$list) {
 187         my $skipsym = $symbol;
 188         # XXX hack
 189         if ($define{MULTIPLICITY}) {
 190             $skipsym =~ s/^Perl_[GIT](\w+)_ptr$/PL_$1/;
 191         }
 192         emit_symbol($symbol) unless exists $skip{$skipsym};
 193     }
 194 }
 195
 196 if ($PLATFORM eq 'win32') {
 197     skip_symbols [qw(
 198                      PL_statusvalue_vms
 199                      PL_archpat_auto
 200                      PL_cryptseen
 201                      PL_DBcv
 202                      PL_generation
 203                      PL_lastgotoprobe
 204                      PL_linestart
 205                      PL_modcount
 206                      PL_pending_ident
 207                      PL_sortcxix
 208                      PL_sublex_info
 209                      PL_timesbuf
 210                      main
 211                      Perl_ErrorNo
 212                      Perl_GetVars
 213                      Perl_do_exec3
 214                      Perl_do_ipcctl
 215                      Perl_do_ipcget
 216                      Perl_do_msgrcv
 217                      Perl_do_msgsnd
 218                      Perl_do_semop
 219                      Perl_do_shmio
 220                      Perl_dump_fds
 221                      Perl_init_thread_intern
 222                      Perl_my_bzero
 223                      Perl_my_bcopy
 224                      Perl_my_htonl
 225                      Perl_my_ntohl
 226                      Perl_my_swap
 227                      Perl_my_chsize
 228                      Perl_same_dirent
 229                      Perl_setenv_getix
 230                      Perl_unlnk
 231                      Perl_watch
 232                      Perl_safexcalloc
 233                      Perl_safexmalloc
 234                      Perl_safexfree
 235                      Perl_safexrealloc
 236                      Perl_my_memcmp
 237                      Perl_my_memset
 238                      PL_cshlen
 239                      PL_cshname
 240                      PL_opsave
 241                      Perl_do_exec
 242                      Perl_getenv_len
 243                      Perl_my_pclose
 244                      Perl_my_popen
 245                      )];
 246 }
 247 elsif ($PLATFORM eq 'wince') {
 248     skip_symbols [qw(
 249                      PL_statusvalue_vms
 250                      PL_archpat_auto
 251                      PL_cryptseen
 252                      PL_DBcv
 253                      PL_generation
 254                      PL_lastgotoprobe
 255                      PL_linestart
 256                      PL_modcount
 257                      PL_pending_ident
 258                      PL_sortcxix
 259                      PL_sublex_info
 260                      PL_timesbuf
 261                      PL_collation_ix
 262                      PL_collation_name
 263                      PL_collation_standard
 264                      PL_collxfrm_base
 265                      PL_collxfrm_mult
 266                      PL_numeric_compat1
 267                      PL_numeric_local
 268                      PL_numeric_name
 269                      PL_numeric_radix_sv
 270                      PL_numeric_standard
 271                      PL_vtbl_collxfrm
 272                      Perl_sv_collxfrm
 273                      setgid
 274                      setuid
 275                      win32_async_check
 276                      win32_free_childdir
 277                      win32_free_childenv
 278                      win32_get_childdir
 279                      win32_get_childenv
 280                      win32_spawnvp
 281                      main
 282                      Perl_ErrorNo
 283                      Perl_GetVars
 284                      Perl_do_exec3
 285                      Perl_do_ipcctl
 286                      Perl_do_ipcget
 287                      Perl_do_msgrcv
 288                      Perl_do_msgsnd
 289                      Perl_do_semop
 290                      Perl_do_shmio
 291                      Perl_dump_fds
 292                      Perl_init_thread_intern
 293                      Perl_my_bzero
 294                      Perl_my_bcopy
 295                      Perl_my_htonl
 296                      Perl_my_ntohl
 297                      Perl_my_swap
 298                      Perl_my_chsize
 299                      Perl_same_dirent
 300                      Perl_setenv_getix
 301                      Perl_unlnk
 302                      Perl_watch
 303                      Perl_safexcalloc
 304                      Perl_safexmalloc
 305                      Perl_safexfree
 306                      Perl_safexrealloc
 307                      Perl_my_memcmp
 308                      Perl_my_memset
 309                      PL_cshlen
 310                      PL_cshname
 311                      PL_opsave
 312                      Perl_do_exec
 313                      Perl_getenv_len
 314                      Perl_my_pclose
 315                      Perl_my_popen
 316                      )];
 317 }
 318 elsif ($PLATFORM eq 'aix') {
 319     skip_symbols([qw(
 320                      Perl_dump_fds
 321                      Perl_ErrorNo
 322                      Perl_GetVars
 323                      Perl_my_bcopy
 324                      Perl_my_bzero
 325                      Perl_my_chsize
 326                      Perl_my_htonl
 327                      Perl_my_memcmp
 328                      Perl_my_memset
 329                      Perl_my_ntohl
 330                      Perl_my_swap
 331                      Perl_safexcalloc
 332                      Perl_safexfree
 333                      Perl_safexmalloc
 334                      Perl_safexrealloc
 335                      Perl_same_dirent
 336                      Perl_unlnk
 337                      Perl_sys_intern_clear
 338                      Perl_sys_intern_dup
 339                      Perl_sys_intern_init
 340                      PL_cryptseen
 341                      PL_opsave
 342                      PL_statusvalue_vms
 343                      PL_sys_intern
 344                      )]);
 345 }
 346 elsif ($PLATFORM eq 'os2') {
 347     emit_symbols([qw(
 348                     ctermid
 349                     get_sysinfo
 350                     Perl_OS2_init
 351                     Perl_OS2_init3
 352                     Perl_OS2_term
 353                     OS2_Perl_data
 354                     dlopen
 355                     dlsym
 356                     dlerror
 357                     dlclose
 358                     my_tmpfile
 359                     my_tmpnam
 360                     my_flock
 361                     my_rmdir
 362                     my_mkdir
 363                     my_getpwuid
 364                     my_getpwnam
 365                     my_getpwent
 366                     my_setpwent
 367                     my_endpwent
 368                     setgrent
 369                     endgrent
 370                     getgrent
 371                     malloc_mutex
 372                     threads_mutex
 373                     nthreads
 374                     nthreads_cond
 375                     os2_cond_wait
 376                     os2_stat
 377                     pthread_join
 378                     pthread_create
 379                     pthread_detach
 380                     XS_Cwd_change_drive
 381                     XS_Cwd_current_drive
 382                     XS_Cwd_extLibpath
 383                     XS_Cwd_extLibpath_set
 384                     XS_Cwd_sys_abspath
 385                     XS_Cwd_sys_chdir
 386                     XS_Cwd_sys_cwd
 387                     XS_Cwd_sys_is_absolute
 388                     XS_Cwd_sys_is_relative
 389                     XS_Cwd_sys_is_rooted
 390                     XS_DynaLoader_mod2fname
 391                     XS_File__Copy_syscopy
 392                     Perl_Register_MQ
 393                     Perl_Deregister_MQ
 394                     Perl_Serve_Messages
 395                     Perl_Process_Messages
 396                     init_PMWIN_entries
 397                     PMWIN_entries
 398                     Perl_hab_GET
 399                     loadByOrdinal
 400                     pExtFCN
 401                     os2error
 402                     ResetWinError
 403                     CroakWinError
 404                     )]);
 405 }
 406 elsif ($PLATFORM eq 'MacOS') {
 407     skip_symbols [qw(
 408                     Perl_GetVars
 409                     PL_cryptseen
 410                     PL_cshlen
 411                     PL_cshname
 412                     PL_statusvalue_vms
 413                     PL_sys_intern
 414                     PL_opsave
 415                     PL_timesbuf
 416                     Perl_dump_fds
 417                     Perl_my_bcopy
 418                     Perl_my_bzero
 419                     Perl_my_chsize
 420                     Perl_my_htonl
 421                     Perl_my_memcmp
 422                     Perl_my_memset
 423                     Perl_my_ntohl
 424                     Perl_my_swap
 425                     Perl_safexcalloc
 426                     Perl_safexfree
 427                     Perl_safexmalloc
 428                     Perl_safexrealloc
 429                     Perl_unlnk
 430                     Perl_sys_intern_clear
 431                     Perl_sys_intern_init
 432                     )];
 433 }
 434 elsif ($PLATFORM eq 'netware') {
 435         skip_symbols [qw(
 436                         PL_statusvalue_vms
 437                         PL_archpat_auto
 438                         PL_cryptseen
 439                         PL_DBcv
 440                         PL_generation
 441                         PL_lastgotoprobe
 442                         PL_linestart
 443                         PL_modcount
 444                         PL_pending_ident
 445                         PL_sortcxix
 446                         PL_sublex_info
 447                         PL_timesbuf
 448                         main
 449                         Perl_ErrorNo
 450                         Perl_GetVars
 451                         Perl_do_exec3
 452                         Perl_do_ipcctl
 453                         Perl_do_ipcget
 454                         Perl_do_msgrcv
 455                         Perl_do_msgsnd
 456                         Perl_do_semop
 457                         Perl_do_shmio
 458                         Perl_dump_fds
 459                         Perl_init_thread_intern
 460                         Perl_my_bzero
 461                         Perl_my_htonl
 462                         Perl_my_ntohl
 463                         Perl_my_swap
 464                         Perl_my_chsize
 465                         Perl_same_dirent
 466                         Perl_setenv_getix
 467                         Perl_unlnk
 468                         Perl_watch
 469                         Perl_safexcalloc
 470                         Perl_safexmalloc
 471                         Perl_safexfree
 472                         Perl_safexrealloc
 473                         Perl_my_memcmp
 474                         Perl_my_memset
 475                         PL_cshlen
 476                         PL_cshname
 477                         PL_opsave
 478                         Perl_do_exec
 479                         Perl_getenv_len
 480                         Perl_my_pclose
 481                         Perl_my_popen
 482                         Perl_sys_intern_init
 483                         Perl_sys_intern_dup
 484                         Perl_sys_intern_clear
 485                         Perl_my_bcopy
 486                         Perl_PerlIO_write
 487                         Perl_PerlIO_unread
 488                         Perl_PerlIO_tell
 489                         Perl_PerlIO_stdout
 490                         Perl_PerlIO_stdin
 491                         Perl_PerlIO_stderr
 492                         Perl_PerlIO_setlinebuf
 493                         Perl_PerlIO_set_ptrcnt
 494                         Perl_PerlIO_set_cnt
 495                         Perl_PerlIO_seek
 496                         Perl_PerlIO_read
 497                         Perl_PerlIO_get_ptr
 498                         Perl_PerlIO_get_cnt
 499                         Perl_PerlIO_get_bufsiz
 500                         Perl_PerlIO_get_base
 501                         Perl_PerlIO_flush
 502                         Perl_PerlIO_fill
 503                         Perl_PerlIO_fileno
 504                         Perl_PerlIO_error
 505                         Perl_PerlIO_eof
 506                         Perl_PerlIO_close
 507                         Perl_PerlIO_clearerr
 508                         PerlIO_perlio
 509                         )];
 510 }
 511
 512 unless ($define{'DEBUGGING'}) {
 513     skip_symbols [qw(
 514                     Perl_deb_growlevel
 515                     Perl_debop
 516                     Perl_debprofdump
 517                     Perl_debstack
 518                     Perl_debstackptrs
 519                     Perl_sv_peek
 520                     PL_block_type
 521                     PL_watchaddr
 522                     PL_watchok
 523                     )];
 524 }
 525
 526 if ($define{'PERL_IMPLICIT_SYS'}) {
 527     skip_symbols [qw(
 528                     Perl_getenv_len
 529                     Perl_my_popen
 530                     Perl_my_pclose
 531                     )];
 532 }
 533 else {
 534     skip_symbols [qw(
 535                     PL_Mem
 536                     PL_MemShared
 537                     PL_MemParse
 538                     PL_Env
 539                     PL_StdIO
 540                     PL_LIO
 541                     PL_Dir
 542                     PL_Sock
 543                     PL_Proc
 544                     )];
 545 }
 546
 547 unless ($define{'PERL_FLEXIBLE_EXCEPTIONS'}) {
 548     skip_symbols [qw(
 549                     PL_protect
 550                     Perl_default_protect
 551                     Perl_vdefault_protect
 552                     )];
 553 }
 554
 555 unless ($define{'USE_REENTRANT_API'}) {
 556     skip_symbols [qw(
 557                     PL_reentrant_buffer
 558                     )];
 559 }
 560
 561 if ($define{'MYMALLOC'}) {
 562     emit_symbols [qw(
 563                     Perl_dump_mstats
 564                     Perl_get_mstats
 565                     Perl_strdup
 566                     Perl_putenv
 567                     )];
 568     if ($define{'USE_5005THREADS'} || $define{'USE_ITHREADS'}) {
 569         emit_symbols [qw(
 570                         PL_malloc_mutex
 571                         )];
 572     }
 573     else {
 574         skip_symbols [qw(
 575                         PL_malloc_mutex
 576                         )];
 577     }
 578 }
 579 else {
 580     skip_symbols [qw(
 581                     PL_malloc_mutex
 582                     Perl_dump_mstats
 583                     Perl_get_mstats
 584                     Perl_malloced_size
 585                     )];
 586 }
 587
 588 unless ($define{'USE_5005THREADS'} || $define{'USE_ITHREADS'}) {
 589     skip_symbols [qw(
 590                     PL_thr_key
 591                     )];
 592 }
 593
 594 unless ($define{'USE_5005THREADS'}) {
 595     skip_symbols [qw(
 596                     PL_sv_mutex
 597                     PL_strtab_mutex
 598                     PL_svref_mutex
 599                     PL_cred_mutex
 600                     PL_eval_mutex
 601                     PL_fdpid_mutex
 602                     PL_sv_lock_mutex
 603                     PL_eval_cond
 604                     PL_eval_owner
 605                     PL_threads_mutex
 606                     PL_nthreads
 607                     PL_nthreads_cond
 608                     PL_threadnum
 609                     PL_threadsv_names
 610                     PL_thrsv
 611                     PL_vtbl_mutex
 612                     Perl_condpair_magic
 613                     Perl_new_struct_thread
 614                     Perl_per_thread_magicals
 615                     Perl_thread_create
 616                     Perl_find_threadsv
 617                     Perl_unlock_condpair
 618                     Perl_magic_mutexfree
 619                     Perl_sv_lock
 620                     )];
 621 }
 622
 623 unless ($define{'USE_ITHREADS'}) {
 624     skip_symbols [qw(
 625                     PL_ptr_table
 626                     PL_op_mutex
 627                     PL_regex_pad
 628                     PL_regex_padav
 629                     PL_sharedsv_space
 630                     PL_sharedsv_space_mutex
 631                     Perl_dirp_dup
 632                     Perl_cx_dup
 633                     Perl_si_dup
 634                     Perl_any_dup
 635                     Perl_ss_dup
 636                     Perl_fp_dup
 637                     Perl_gp_dup
 638                     Perl_he_dup
 639                     Perl_mg_dup
 640                     Perl_re_dup
 641                     Perl_sv_dup
 642                     Perl_sys_intern_dup
 643                     Perl_ptr_table_clear
 644                     Perl_ptr_table_fetch
 645                     Perl_ptr_table_free
 646                     Perl_ptr_table_new
 647                     Perl_ptr_table_clear
 648                     Perl_ptr_table_free
 649                     Perl_ptr_table_split
 650                     Perl_ptr_table_store
 651                     perl_clone
 652                     perl_clone_using
 653                     Perl_sharedsv_find
 654                     Perl_sharedsv_init
 655                     Perl_sharedsv_lock
 656                     Perl_sharedsv_new
 657                     Perl_sharedsv_thrcnt_dec
 658                     Perl_sharedsv_thrcnt_inc
 659                     Perl_sharedsv_unlock
 660                     )];
 661 }
 662
 663 unless ($define{'PERL_IMPLICIT_CONTEXT'}) {
 664     skip_symbols [qw(
 665                     Perl_croak_nocontext
 666                     Perl_die_nocontext
 667                     Perl_deb_nocontext
 668                     Perl_form_nocontext
 669                     Perl_load_module_nocontext
 670                     Perl_mess_nocontext
 671                     Perl_warn_nocontext
 672                     Perl_warner_nocontext
 673                     Perl_newSVpvf_nocontext
 674                     Perl_sv_catpvf_nocontext
 675                     Perl_sv_setpvf_nocontext
 676                     Perl_sv_catpvf_mg_nocontext
 677                     Perl_sv_setpvf_mg_nocontext
 678                     )];
 679 }
 680
 681 unless ($define{'PERL_IMPLICIT_SYS'}) {
 682     skip_symbols [qw(
 683                     perl_alloc_using
 684                     perl_clone_using
 685                     )];
 686 }
 687
 688 unless ($define{'FAKE_THREADS'}) {
 689     skip_symbols [qw(PL_curthr)];
 690 }
 691
 692 unless ($define{'PL_OP_SLAB_ALLOC'}) {
 693     skip_symbols [qw(
 694                      PL_OpPtr
 695                      PL_OpSlab
 696                      PL_OpSpace
 697                     )];
 698 }
 699
 700 sub readvar {
 701     my $file = shift;
 702     my $proc = shift || sub { "PL_$_[2]" };
 703     open(VARS,$file) || die "Cannot open $file: $!\n";
 704     my @syms;
 705     while (<VARS>) {
 706         # All symbols have a Perl_ prefix because that's what embed.h
 707         # sticks in front of them.
 708         push(@syms, &$proc($1,$2,$3)) if (/\bPERLVAR(A?I?C?)\(([IGT])(\w+)/);
 709     }
 710     close(VARS);
 711     return \@syms;
 712 }
 713
 714 if ($define{'USE_5005THREADS'}) {
 715     my $thrd = readvar($thrdvar_h);
 716     skip_symbols $thrd;
 717 }
 718
 719 if ($define{'PERL_GLOBAL_STRUCT'}) {
 720     my $global = readvar($perlvars_h);
 721     skip_symbols $global;
 722     emit_symbol('Perl_GetVars');
 723     emit_symbols [qw(PL_Vars PL_VarsPtr)] unless $CCTYPE eq 'GCC';
 724 }
 725
 726 # functions from *.sym files
 727
 728 my @syms = ($global_sym, $globvar_sym); # $pp_sym is not part of the API
 729
 730 # Symbols that are the public face of the PerlIO layers implementation
 731 # These are in _addition to_ the public face of the abstraction
 732 # and need to be exported to allow XS modules to implement layers
 733 my @layer_syms = qw(
 734                          PerlIOBase_clearerr
 735                          PerlIOBase_close
 736                          PerlIOBase_dup
 737                          PerlIOBase_eof
 738                          PerlIOBase_error
 739                          PerlIOBase_fileno
 740                          PerlIOBase_pushed
 741                          PerlIOBase_popped
 742                          PerlIOBase_read
 743                          PerlIOBase_setlinebuf
 744                          PerlIOBase_unread
 745                          PerlIOBuf_bufsiz
 746                          PerlIOBuf_fill
 747                          PerlIOBuf_flush
 748                          PerlIOBuf_get_base
 749                          PerlIOBuf_get_cnt
 750                          PerlIOBuf_get_ptr
 751                          PerlIOBuf_open
 752                          PerlIOBuf_pushed
 753                          PerlIOBuf_popped
 754                          PerlIOBuf_read
 755                          PerlIOBuf_seek
 756                          PerlIOBuf_set_ptrcnt
 757                          PerlIOBuf_tell
 758                          PerlIOBuf_unread
 759                          PerlIOBuf_write
 760                          PerlIO_debug
 761                          PerlIO_allocate
 762                          PerlIO_apply_layera
 763                          PerlIO_apply_layers
 764                          PerlIO_arg_fetch
 765                          PerlIO_define_layer
 766                          PerlIO_modestr
 767                          PerlIO_parse_layers
 768                          PerlIO_layer_fetch
 769                          PerlIO_list_free
 770                          PerlIO_apply_layera
 771                          PerlIO_pending
 772                          PerlIO_push
 773                          PerlIO_sv_dup
 774                          PerlIO_perlio
 775
 776 Perl_PerlIO_clearerr
 777 Perl_PerlIO_close
 778 Perl_PerlIO_eof
 779 Perl_PerlIO_error
 780 Perl_PerlIO_fileno
 781 Perl_PerlIO_fill
 782 Perl_PerlIO_flush
 783 Perl_PerlIO_get_base
 784 Perl_PerlIO_get_bufsiz
 785 Perl_PerlIO_get_cnt
 786 Perl_PerlIO_get_ptr
 787 Perl_PerlIO_read
 788 Perl_PerlIO_seek
 789 Perl_PerlIO_set_cnt
 790 Perl_PerlIO_set_ptrcnt
 791 Perl_PerlIO_setlinebuf
 792 Perl_PerlIO_stderr
 793 Perl_PerlIO_stdin
 794 Perl_PerlIO_stdout
 795 Perl_PerlIO_tell
 796 Perl_PerlIO_unread
 797 Perl_PerlIO_write
 798
 799 );
 800 if ($PLATFORM eq 'netware') {
 801     push(@layer_syms,'PL_def_layerlist','PL_known_layers','PL_perlio');
 802 }
 803
 804 if ($define{'USE_PERLIO'}) {
 805     # Export the symols that make up the PerlIO abstraction, regardless
 806     # of its implementation - read from a file
 807     push @syms, $perlio_sym;
 808
 809     # This part is then dependent on how the abstraction is implemented
 810     if ($define{'USE_SFIO'}) {
 811         # Old legacy non-stdio "PerlIO"
 812         skip_symbols \@layer_syms;
 813         # SFIO defines most of the PerlIO routines as macros
 814         # So undo most of what $perlio_sym has just done - d'oh !
 815         # Perhaps it would be better to list the ones which do exist
 816         # And emit them
 817         skip_symbols [qw(
 818                          PerlIO_canset_cnt
 819                          PerlIO_clearerr
 820                          PerlIO_close
 821                          PerlIO_eof
 822                          PerlIO_error
 823                          PerlIO_exportFILE
 824                          PerlIO_fast_gets
 825                          PerlIO_fdopen
 826                          PerlIO_fileno
 827                          PerlIO_findFILE
 828                          PerlIO_flush
 829                          PerlIO_get_base
 830                          PerlIO_get_bufsiz
 831                          PerlIO_get_cnt
 832                          PerlIO_get_ptr
 833                          PerlIO_getc
 834                          PerlIO_getname
 835                          PerlIO_has_base
 836                          PerlIO_has_cntptr
 837                          PerlIO_importFILE
 838                          PerlIO_open
 839                          PerlIO_printf
 840                          PerlIO_putc
 841                          PerlIO_puts
 842                          PerlIO_read
 843                          PerlIO_releaseFILE
 844                          PerlIO_reopen
 845                          PerlIO_rewind
 846                          PerlIO_seek
 847                          PerlIO_set_cnt
 848                          PerlIO_set_ptrcnt
 849                          PerlIO_setlinebuf
 850                          PerlIO_sprintf
 851                          PerlIO_stderr
 852                          PerlIO_stdin
 853                          PerlIO_stdout
 854                          PerlIO_stdoutf
 855                          PerlIO_tell
 856                          PerlIO_ungetc
 857                          PerlIO_vprintf
 858                          PerlIO_write
 859                          PerlIO_perlio
 860                          Perl_PerlIO_clearerr
 861                          Perl_PerlIO_close
 862                          Perl_PerlIO_eof
 863                          Perl_PerlIO_error
 864                          Perl_PerlIO_fileno
 865                          Perl_PerlIO_fill
 866                          Perl_PerlIO_flush
 867                          Perl_PerlIO_get_base
 868                          Perl_PerlIO_get_bufsiz
 869                          Perl_PerlIO_get_cnt
 870                          Perl_PerlIO_get_ptr
 871                          Perl_PerlIO_read
 872                          Perl_PerlIO_seek
 873                          Perl_PerlIO_set_cnt
 874                          Perl_PerlIO_set_ptrcnt
 875                          Perl_PerlIO_setlinebuf
 876                          Perl_PerlIO_stderr
 877                          Perl_PerlIO_stdin
 878                          Perl_PerlIO_stdout
 879                          Perl_PerlIO_tell
 880                          Perl_PerlIO_unread
 881                          Perl_PerlIO_write
 882                          PL_def_layerlist
 883                          PL_known_layers
 884                          PL_perlio
 885                          )];
 886     }
 887     else {
 888         # PerlIO with layers - export implementation
 889         emit_symbols \@layer_syms;
 890     }
 891 } else {
 892         # -Uuseperlio
 893         # Skip the PerlIO layer symbols - although
 894         # nothing should have exported them any way
 895         skip_symbols \@layer_syms;
 896         skip_symbols [qw(PL_def_layerlist PL_known_layers PL_perlio)];
 897
 898         # Also do NOT add abstraction symbols from $perlio_sym
 899         # abstraction is done as #define to stdio
 900         # Remaining remnants that _may_ be functions
 901         # are handled in <DATA>
 902 }
 903
 904 for my $syms (@syms) {
 905     open (GLOBAL, "<$syms") || die "failed to open $syms: $!\n";
 906     while (<GLOBAL>) {
 907         next if (!/^[A-Za-z]/);
 908         # Functions have a Perl_ prefix
 909         # Variables have a PL_ prefix
 910         chomp($_);
 911         my $symbol = ($syms =~ /var\.sym$/i ? "PL_" : "");
 912         $symbol .= $_;
 913         emit_symbol($symbol) unless exists $skip{$symbol};
 914     }
 915     close(GLOBAL);
 916 }
 917
 918 # variables
 919
 920 if ($define{'MULTIPLICITY'}) {
 921     for my $f ($perlvars_h, $intrpvar_h, $thrdvar_h) {
 922         my $glob = readvar($f, sub { "Perl_" . $_[1] . $_[2] . "_ptr" });
 923         emit_symbols $glob;
 924     }
 925     # XXX AIX seems to want the perlvars.h symbols, for some reason
 926     if ($PLATFORM eq 'aix') {
 927         my $glob = readvar($perlvars_h);
 928         emit_symbols $glob;
 929     }
 930 }
 931 else {
 932     unless ($define{'PERL_GLOBAL_STRUCT'}) {
 933         my $glob = readvar($perlvars_h);
 934         emit_symbols $glob;
 935     }
 936     unless ($define{'MULTIPLICITY'}) {
 937         my $glob = readvar($intrpvar_h);
 938         emit_symbols $glob;
 939     }
 940     unless ($define{'MULTIPLICITY'} || $define{'USE_5005THREADS'}) {
 941         my $glob = readvar($thrdvar_h);
 942         emit_symbols $glob;
 943     }
 944 }
 945
 946 sub try_symbol {
 947     my $symbol = shift;
 948
 949     return if $symbol !~ /^[A-Za-z_]/;
 950     return if $symbol =~ /^\#/;
 951     $symbol =~s/\r//g;
 952     chomp($symbol);
 953     return if exists $skip{$symbol};
 954     emit_symbol($symbol);
 955 }
 956
 957 while (<DATA>) {
 958     try_symbol($_);
 959 }
 960
 961 if ($PLATFORM =~ /^win(?:32|ce)$/) {
 962     foreach my $symbol (qw(
 963                             setuid
 964                             setgid
 965                             boot_DynaLoader
 966                             Perl_init_os_extras
 967                             Perl_thread_create
 968                             Perl_win32_init
 969                             RunPerl
 970                             win32_async_check
 971                             win32_errno
 972                             win32_environ
 973                             win32_abort
 974                             win32_fstat
 975                             win32_stat
 976                             win32_pipe
 977                             win32_popen
 978                             win32_pclose
 979                             win32_rename
 980                             win32_setmode
 981                             win32_lseek
 982                             win32_tell
 983                             win32_dup
 984                             win32_dup2
 985                             win32_open
 986                             win32_close
 987                             win32_eof
 988                             win32_read
 989                             win32_write
 990                             win32_spawnvp
 991                             win32_mkdir
 992                             win32_rmdir
 993                             win32_chdir
 994                             win32_flock
 995                             win32_execv
 996                             win32_execvp
 997                             win32_htons
 998                             win32_ntohs
 999                             win32_htonl
1000                             win32_ntohl
1001                             win32_inet_addr
1002                             win32_inet_ntoa
1003                             win32_socket
1004                             win32_bind
1005                             win32_listen
1006                             win32_accept
1007                             win32_connect
1008                             win32_send
1009                             win32_sendto
1010                             win32_recv
1011                             win32_recvfrom
1012                             win32_shutdown
1013                             win32_closesocket
1014                             win32_ioctlsocket
1015                             win32_setsockopt
1016                             win32_getsockopt
1017                             win32_getpeername
1018                             win32_getsockname
1019                             win32_gethostname
1020                             win32_gethostbyname
1021                             win32_gethostbyaddr
1022                             win32_getprotobyname
1023                             win32_getprotobynumber
1024                             win32_getservbyname
1025                             win32_getservbyport
1026                             win32_select
1027                             win32_endhostent
1028                             win32_endnetent
1029                             win32_endprotoent
1030                             win32_endservent
1031                             win32_getnetent
1032                             win32_getnetbyname
1033                             win32_getnetbyaddr
1034                             win32_getprotoent
1035                             win32_getservent
1036                             win32_sethostent
1037                             win32_setnetent
1038                             win32_setprotoent
1039                             win32_setservent
1040                             win32_getenv
1041                             win32_putenv
1042                             win32_perror
1043                             win32_malloc
1044                             win32_calloc
1045                             win32_realloc
1046                             win32_free
1047                             win32_sleep
1048                             win32_times
1049                             win32_access
1050                             win32_alarm
1051                             win32_chmod
1052                             win32_open_osfhandle
1053                             win32_get_osfhandle
1054                             win32_ioctl
1055                             win32_link
1056                             win32_unlink
1057                             win32_utime
1058                             win32_gettimeofday
1059                             win32_uname
1060                             win32_wait
1061                             win32_waitpid
1062                             win32_kill
1063                             win32_str_os_error
1064                             win32_opendir
1065                             win32_readdir
1066                             win32_telldir
1067                             win32_seekdir
1068                             win32_rewinddir
1069                             win32_closedir
1070                             win32_longpath
1071                             win32_os_id
1072                             win32_getpid
1073                             win32_crypt
1074                             win32_dynaload
1075                             win32_get_childenv
1076                             win32_free_childenv
1077                             win32_clearenv
1078                             win32_get_childdir
1079                             win32_free_childdir
1080                             win32_stdin
1081                             win32_stdout
1082                             win32_stderr
1083                             win32_ferror
1084                             win32_feof
1085                             win32_strerror
1086                             win32_fprintf
1087                             win32_printf
1088                             win32_vfprintf
1089                             win32_vprintf
1090                             win32_fread
1091                             win32_fwrite
1092                             win32_fopen
1093                             win32_fdopen
1094                             win32_freopen
1095                             win32_fclose
1096                             win32_fputs
1097                             win32_fputc
1098                             win32_ungetc
1099                             win32_getc
1100                             win32_fileno
1101                             win32_clearerr
1102                             win32_fflush
1103                             win32_ftell
1104                             win32_fseek
1105                             win32_fgetpos
1106                             win32_fsetpos
1107                             win32_rewind
1108                             win32_tmpfile
1109                             win32_setbuf
1110                             win32_setvbuf
1111                             win32_flushall
1112                             win32_fcloseall
1113                             win32_fgets
1114                             win32_gets
1115                             win32_fgetc
1116                             win32_putc
1117                             win32_puts
1118                             win32_getchar
1119                             win32_putchar
1120                            ))
1121     {
1122         try_symbol($symbol);
1123     }
1124 }
1125 elsif ($PLATFORM eq 'os2') {
1126     open MAP, 'miniperl.map' or die 'Cannot read miniperl.map';
1127     /^\s*[\da-f:]+\s+(\w+)/i and $mapped{$1}++ foreach <MAP>;
1128     close MAP or die 'Cannot close miniperl.map';
1129
1130     @missing = grep { !exists $mapped{$_} }
1131                     keys %export;
1132     delete $export{$_} foreach @missing;
1133 }
1134 elsif ($PLATFORM eq 'MacOS') {
1135     open MACSYMS, 'macperl.sym' or die 'Cannot read macperl.sym';
1136
1137     while (<MACSYMS>) {
1138         try_symbol($_);
1139     }
1140
1141     close MACSYMS;
1142 }
1143 elsif ($PLATFORM eq 'netware') {
1144 foreach my $symbol (qw(
1145                         boot_DynaLoader
1146                         Perl_init_os_extras
1147                         Perl_thread_create
1148                         Perl_nw5_init
1149                         RunPerl
1150                         AllocStdPerl
1151                         FreeStdPerl
1152                         do_spawn2
1153                         do_aspawn
1154                         nw_uname
1155                         nw_stdin
1156                         nw_stdout
1157                         nw_stderr
1158                         nw_feof
1159                         nw_ferror
1160                         nw_fopen
1161                         nw_fclose
1162                         nw_clearerr
1163                         nw_getc
1164                         nw_fgets
1165                         nw_fputc
1166                         nw_fputs
1167                         nw_fflush
1168                         nw_ungetc
1169                         nw_fileno
1170                         nw_fdopen
1171                         nw_freopen
1172                         nw_fread
1173                         nw_fwrite
1174                         nw_setbuf
1175                         nw_setvbuf
1176                         nw_vfprintf
1177                         nw_ftell
1178                         nw_fseek
1179                         nw_rewind
1180                         nw_tmpfile
1181                         nw_fgetpos
1182                         nw_fsetpos
1183                         nw_dup
1184                         nw_access
1185                         nw_chmod
1186                         nw_chsize
1187                         nw_close
1188                         nw_dup2
1189                         nw_flock
1190                         nw_isatty
1191                         nw_link
1192                         nw_lseek
1193                         nw_stat
1194                         nw_mktemp
1195                         nw_open
1196                         nw_read
1197                         nw_rename
1198                         nw_setmode
1199                         nw_unlink
1200                         nw_utime
1201                         nw_write
1202                         nw_chdir
1203                         nw_rmdir
1204                         nw_closedir
1205                         nw_opendir
1206                         nw_readdir
1207                         nw_rewinddir
1208                         nw_seekdir
1209                         nw_telldir
1210                         nw_htonl
1211                         nw_htons
1212                         nw_ntohl
1213                         nw_ntohs
1214                         nw_accept
1215                         nw_bind
1216                         nw_connect
1217                         nw_endhostent
1218                         nw_endnetent
1219                         nw_endprotoent
1220                         nw_endservent
1221                         nw_gethostbyaddr
1222                         nw_gethostbyname
1223                         nw_gethostent
1224                         nw_gethostname
1225                         nw_getnetbyaddr
1226                         nw_getnetbyname
1227                         nw_getnetent
1228                         nw_getpeername
1229                         nw_getprotobyname
1230                         nw_getprotobynumber
1231                         nw_getprotoent
1232                         nw_getservbyname
1233                         nw_getservbyport
1234                         nw_getservent
1235                         nw_getsockname
1236                         nw_getsockopt
1237                         nw_inet_addr
1238                         nw_listen
1239                         nw_socket
1240                         nw_recv
1241                         nw_recvfrom
1242                         nw_select
1243                         nw_send
1244                         nw_sendto
1245                         nw_sethostent
1246                         nw_setnetent
1247                         nw_setprotoent
1248                         nw_setservent
1249                         nw_setsockopt
1250                         nw_inet_ntoa
1251                         nw_shutdown
1252                         nw_crypt
1253                         nw_execvp
1254                         nw_kill
1255                         nw_Popen
1256                         nw_Pclose
1257                         nw_Pipe
1258                         nw_times
1259                         nw_waitpid
1260                         nw_getpid
1261                         nw_spawnvp
1262                         nw_os_id
1263                         nw_open_osfhandle
1264                         nw_get_osfhandle
1265                         nw_abort
1266                         nw_sleep
1267                         nw_wait
1268                         nw_dynaload
1269                         nw_strerror
1270                         fnFpSetMode
1271                         fnInsertHashListAddrs
1272                         fnGetHashListAddrs
1273                         Perl_deb
1274                         Perl_sv_setsv
1275                         Perl_sv_catsv
1276                         Perl_sv_catpvn
1277                         Perl_sv_2pv
1278                         nw_freeenviron
1279                         Remove_Thread_Ctx
1280                            ))
1281     {
1282         try_symbol($symbol);
1283     }
1284 }
1285
1286 # Now all symbols should be defined because
1287 # next we are going to output them.
1288
1289 foreach my $symbol (sort keys %export) {
1290     output_symbol($symbol);
1291 }
1292
1293 if ($PLATFORM eq 'os2') {
1294         print "; LAST_ORDINAL=$sym_ord\n";
1295 }
1296
1297 sub emit_symbol {
1298     my $symbol = shift;
1299     chomp($symbol);
1300     $export{$symbol} = 1;
1301 }
1302
1303 sub output_symbol {
1304     my $symbol = shift;
1305     if ($PLATFORM =~ /^win(?:32|ce)$/) {
1306         $symbol = "_$symbol" if $CCTYPE eq 'BORLAND';
1307         print "\t$symbol\n";
1308 # XXX: binary compatibility between compilers is an exercise
1309 # in frustration :-(
1310 #        if ($CCTYPE eq "BORLAND") {
1311 #           # workaround Borland quirk by exporting both the straight
1312 #           # name and a name with leading underscore.  Note the
1313 #           # alias *must* come after the symbol itself, if both
1314 #           # are to be exported. (Linker bug?)
1315 #           print "\t_$symbol\n";
1316 #           print "\t$symbol = _$symbol\n";
1317 #       }
1318 #       elsif ($CCTYPE eq 'GCC') {
1319 #           # Symbols have leading _ whole process is $%@"% slow
1320 #           # so skip aliases for now
1321 #           nprint "\t$symbol\n";
1322 #       }
1323 #       else {
1324 #           # for binary coexistence, export both the symbol and
1325 #           # alias with leading underscore
1326 #           print "\t$symbol\n";
1327 #           print "\t_$symbol = $symbol\n";
1328 #       }
1329     }
1330     elsif ($PLATFORM eq 'os2') {
1331         printf qq(    %-31s \@%s\n),
1332           qq("$symbol"), $ordinal{$symbol} || ++$sym_ord;
1333     }
1334     elsif ($PLATFORM eq 'aix' || $PLATFORM eq 'MacOS') {
1335         print "$symbol\n";
1336     }
1337         elsif ($PLATFORM eq 'netware') {
1338         print "\t$symbol,\n";
1339         }
1340 }
1341
1342 1;
1343 __DATA__
1344 # extra globals not included above.
1345 Perl_cxinc
1346 perl_alloc
1347 perl_alloc_using
1348 perl_clone
1349 perl_clone_using
1350 perl_construct
1351 perl_destruct
1352 perl_free
1353 perl_parse
1354 perl_run
1355 # Oddities from PerlIO
1356 PerlIO_binmode
1357 PerlIO_getpos
1358 PerlIO_init
1359 PerlIO_setpos
1360 PerlIO_sprintf
1361 PerlIO_sv_dup
1362 PerlIO_tmpfile
1363 PerlIO_vsprintf
1364 perlsio_binmode