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