makedef.pl

   1 #
   2 # Create the export list for perl.
   3 #
   4 # Needed by WIN32 and OS/2 for creating perl.dll,
   5 # and by AIX for creating libperl.a when -Dusershrplib is in effect,
   6 # and by MacOS Classic.
   7 #
   8 # reads global.sym, pp.sym, perlvars.h, intrpvar.h, thrdvar.h, config.h
   9 # On OS/2 reads miniperl.map as well
  10
  11 my $PLATFORM;
  12 my $CCTYPE;
  13
  14 my %bincompat5005 =
  15       (
  16        Perl_call_atexit         =>      "perl_atexit",
  17        Perl_eval_sv             =>      "perl_eval_sv",
  18        Perl_eval_pv             =>      "perl_eval_pv",
  19        Perl_call_argv           =>      "perl_call_argv",
  20        Perl_call_method         =>      "perl_call_method",
  21        Perl_call_pv             =>      "perl_call_pv",
  22        Perl_call_sv             =>      "perl_call_sv",
  23        Perl_get_av              =>      "perl_get_av",
  24        Perl_get_cv              =>      "perl_get_cv",
  25        Perl_get_hv              =>      "perl_get_hv",
  26        Perl_get_sv              =>      "perl_get_sv",
  27        Perl_init_i18nl10n       =>      "perl_init_i18nl10n",
  28        Perl_init_i18nl14n       =>      "perl_init_i18nl14n",
  29        Perl_new_collate         =>      "perl_new_collate",
  30        Perl_new_ctype           =>      "perl_new_ctype",
  31        Perl_new_numeric         =>      "perl_new_numeric",
  32        Perl_require_pv          =>      "perl_require_pv",
  33        Perl_safesyscalloc       =>      "Perl_safecalloc",
  34        Perl_safesysfree         =>      "Perl_safefree",
  35        Perl_safesysmalloc       =>      "Perl_safemalloc",
  36        Perl_safesysrealloc      =>      "Perl_saferealloc",
  37        Perl_set_numeric_local   =>      "perl_set_numeric_local",
  38        Perl_set_numeric_standard  =>    "perl_set_numeric_standard",
  39        Perl_malloc              =>      "malloc",
  40        Perl_mfree               =>      "free",
  41        Perl_realloc             =>      "realloc",
  42        Perl_calloc              =>      "calloc",
  43       );
  44
  45 my $bincompat5005 = join("|", keys %bincompat5005);
  46
  47 while (@ARGV) {
  48     my $flag = shift;
  49     $define{$1} = 1 if ($flag =~ /^-D(\w+)$/);
  50     $define{$1} = $2 if ($flag =~ /^-D(\w+)=(.+)$/);
  51     $CCTYPE   = $1 if ($flag =~ /^CCTYPE=(\w+)$/);
  52     $PLATFORM = $1 if ($flag =~ /^PLATFORM=(\w+)$/);
  53         if ($PLATFORM eq 'netware') {
  54                 $FILETYPE = $1 if ($flag =~ /^FILETYPE=(\w+)$/);
  55         }
  56 }
  57
  58 my @PLATFORM = qw(aix win32 os2 MacOS netware);
  59 my %PLATFORM;
  60 @PLATFORM{@PLATFORM} = ();
  61
  62 defined $PLATFORM || die "PLATFORM undefined, must be one of: @PLATFORM\n";
  63 exists $PLATFORM{$PLATFORM} || die "PLATFORM must be one of: @PLATFORM\n";
  64
  65 my $config_sh   = "config.sh";
  66 my $config_h    = "config.h";
  67 my $thrdvar_h   = "thrdvar.h";
  68 my $intrpvar_h  = "intrpvar.h";
  69 my $perlvars_h  = "perlvars.h";
  70 my $global_sym  = "global.sym";
  71 my $pp_sym      = "pp.sym";
  72 my $globvar_sym = "globvar.sym";
  73 my $perlio_sym  = "perlio.sym";
  74
  75 if ($PLATFORM eq 'aix') {
  76     # Nothing for now.
  77 }
  78 elsif ($PLATFORM eq 'win32' || $PLATFORM eq 'netware') {
  79     $CCTYPE = "MSVC" unless defined $CCTYPE;
  80     foreach ($thrdvar_h, $intrpvar_h, $perlvars_h, $global_sym,
  81                 $pp_sym, $globvar_sym, $perlio_sym) {
  82         s!^!..\\!;
  83     }
  84 }
  85 elsif ($PLATFORM eq 'MacOS') {
  86     foreach ($thrdvar_h, $intrpvar_h, $perlvars_h, $global_sym,
  87                 $pp_sym, $globvar_sym, $perlio_sym) {
  88         s!^!::!;
  89     }
  90 }
  91
  92 unless ($PLATFORM eq 'win32' || $PLATFORM eq 'MacOS' || $PLATFORM eq 'netware') {
  93     open(CFG,$config_sh) || die "Cannot open $config_sh: $!\n";
  94     while (<CFG>) {
  95         if (/^(?:ccflags|optimize)='(.+)'$/) {
  96             $_ = $1;
  97             $define{$1} = 1 while /-D(\w+)/g;
  98         }
  99         if ($PLATFORM eq 'os2') {
 100             $CONFIG_ARGS = $1 if /^(?:config_args)='(.+)'$/;
 101             $ARCHNAME =    $1 if /^(?:archname)='(.+)'$/;
 102         }
 103     }
 104     close(CFG);
 105 }
 106
 107 open(CFG,$config_h) || die "Cannot open $config_h: $!\n";
 108 while (<CFG>) {
 109     $define{$1} = 1 if /^\s*#\s*define\s+(MYMALLOC)\b/;
 110     $define{$1} = 1 if /^\s*#\s*define\s+(MULTIPLICITY)\b/;
 111     $define{$1} = 1 if /^\s*#\s*define\s+(PERL_\w+)\b/;
 112     $define{$1} = 1 if /^\s*#\s*define\s+(USE_\w+)\b/;
 113 }
 114 close(CFG);
 115
 116 # perl.h logic duplication begins
 117
 118 if ($define{USE_ITHREADS}) {
 119     if (!$define{MULTIPLICITY} && !$define{PERL_OBJECT}) {
 120         $define{MULTIPLICITY} = 1;
 121     }
 122 }
 123
 124 $define{PERL_IMPLICIT_CONTEXT} ||=
 125     $define{USE_ITHREADS} ||
 126     $define{USE_5005THREADS}  ||
 127     $define{MULTIPLICITY} ;
 128
 129 if ($define{PERL_CAPI}) {
 130     delete $define{PERL_OBJECT};
 131     $define{MULTIPLICITY} = 1;
 132     $define{PERL_IMPLICIT_CONTEXT} = 1;
 133     $define{PERL_IMPLICIT_SYS}     = 1;
 134 }
 135
 136 if ($define{PERL_OBJECT}) {
 137     $define{PERL_IMPLICIT_CONTEXT} = 1;
 138     $define{PERL_IMPLICIT_SYS}     = 1;
 139 }
 140
 141 # perl.h logic duplication ends
 142
 143 if ($PLATFORM eq 'win32') {
 144     warn join(' ',keys %define)."\n";
 145     print "LIBRARY Perl57\n";
 146     print "DESCRIPTION 'Perl interpreter'\n";
 147     print "EXPORTS\n";
 148     if ($define{PERL_IMPLICIT_SYS}) {
 149         output_symbol("perl_get_host_info");
 150         output_symbol("perl_alloc_override");
 151     output_symbol("perl_clone_host");
 152     }
 153 }
 154 elsif ($PLATFORM eq 'os2') {
 155     ($v = $]) =~ s/(\d\.\d\d\d)(\d\d)$/$1_$2/;
 156     $v .= '-thread' if $ARCHNAME =~ /-thread/;
 157     ($dll = $define{PERL_DLL}) =~ s/\.dll$//i;
 158     $d = "DESCRIPTION '\@#perl5-porters\@perl.org:$v#\@ Perl interpreter, configured as $CONFIG_ARGS'";
 159     $d = substr($d, 0, 249) . "...'" if length $d > 253;
 160     print <<"---EOP---";
 161 LIBRARY '$dll' INITINSTANCE TERMINSTANCE
 162 $d
 163 STACKSIZE 32768
 164 CODE LOADONCALL
 165 DATA LOADONCALL NONSHARED MULTIPLE
 166 EXPORTS
 167 ---EOP---
 168 }
 169 elsif ($PLATFORM eq 'aix') {
 170     $OSVER = `uname -v`;
 171     chop $OSVER;
 172     $OSREL = `uname -r`;
 173     chop $OSREL;
 174     if ($OSVER > 4 || ($OSVER == 4 && $OSREL >= 3)) {
 175         print "#! ..\n";
 176     } else {
 177         print "#!\n";
 178     }
 179 }
 180 elsif ($PLATFORM eq 'netware') {
 181         if ($FILETYPE eq 'def') {
 182         print "LIBRARY Perl57\n";
 183         print "DESCRIPTION 'Perl interpreter for NetWare'\n";
 184         print "EXPORTS\n";
 185         }
 186         if ($define{PERL_IMPLICIT_SYS}) {
 187         output_symbol("perl_get_host_info");
 188         output_symbol("perl_alloc_override");
 189     output_symbol("perl_clone_host");
 190         }
 191 }
 192
 193 my %skip;
 194 my %export;
 195
 196 sub skip_symbols {
 197     my $list = shift;
 198     foreach my $symbol (@$list) {
 199         $skip{$symbol} = 1;
 200     }
 201 }
 202
 203 sub emit_symbols {
 204     my $list = shift;
 205     foreach my $symbol (@$list) {
 206         my $skipsym = $symbol;
 207         # XXX hack
 208         if ($define{PERL_OBJECT} || $define{MULTIPLICITY}) {
 209             $skipsym =~ s/^Perl_[GIT](\w+)_ptr$/PL_$1/;
 210         }
 211         emit_symbol($symbol) unless exists $skip{$skipsym};
 212     }
 213 }
 214
 215 if ($PLATFORM eq 'win32') {
 216     skip_symbols [qw(
 217                      PL_statusvalue_vms
 218                      PL_archpat_auto
 219                      PL_cryptseen
 220                      PL_DBcv
 221                      PL_generation
 222                      PL_lastgotoprobe
 223                      PL_linestart
 224                      PL_modcount
 225                      PL_pending_ident
 226                      PL_sortcxix
 227                      PL_sublex_info
 228                      PL_timesbuf
 229                      main
 230                      Perl_ErrorNo
 231                      Perl_GetVars
 232                      Perl_do_exec3
 233                      Perl_do_ipcctl
 234                      Perl_do_ipcget
 235                      Perl_do_msgrcv
 236                      Perl_do_msgsnd
 237                      Perl_do_semop
 238                      Perl_do_shmio
 239                      Perl_dump_fds
 240                      Perl_init_thread_intern
 241                      Perl_my_bzero
 242                      Perl_my_bcopy
 243                      Perl_my_htonl
 244                      Perl_my_ntohl
 245                      Perl_my_swap
 246                      Perl_my_chsize
 247                      Perl_same_dirent
 248                      Perl_setenv_getix
 249                      Perl_unlnk
 250                      Perl_watch
 251                      Perl_safexcalloc
 252                      Perl_safexmalloc
 253                      Perl_safexfree
 254                      Perl_safexrealloc
 255                      Perl_my_memcmp
 256                      Perl_my_memset
 257                      PL_cshlen
 258                      PL_cshname
 259                      PL_opsave
 260                      Perl_do_exec
 261                      Perl_getenv_len
 262                      Perl_my_pclose
 263                      Perl_my_popen
 264                      )];
 265 }
 266 elsif ($PLATFORM eq 'aix') {
 267     skip_symbols([qw(
 268                      Perl_dump_fds
 269                      Perl_ErrorNo
 270                      Perl_GetVars
 271                      Perl_my_bcopy
 272                      Perl_my_bzero
 273                      Perl_my_chsize
 274                      Perl_my_htonl
 275                      Perl_my_memcmp
 276                      Perl_my_memset
 277                      Perl_my_ntohl
 278                      Perl_my_swap
 279                      Perl_safexcalloc
 280                      Perl_safexfree
 281                      Perl_safexmalloc
 282                      Perl_safexrealloc
 283                      Perl_same_dirent
 284                      Perl_unlnk
 285                      Perl_sys_intern_clear
 286                      Perl_sys_intern_dup
 287                      Perl_sys_intern_init
 288                      PL_cryptseen
 289                      PL_opsave
 290                      PL_statusvalue_vms
 291                      PL_sys_intern
 292                      )]);
 293 }
 294 elsif ($PLATFORM eq 'os2') {
 295     emit_symbols([qw(
 296                     ctermid
 297                     get_sysinfo
 298                     Perl_OS2_init
 299                     Perl_OS2_init3
 300                     Perl_OS2_term
 301                     OS2_Perl_data
 302                     dlopen
 303                     dlsym
 304                     dlerror
 305                     dlclose
 306                     my_tmpfile
 307                     my_tmpnam
 308                     my_flock
 309                     my_rmdir
 310                     my_mkdir
 311                     my_getpwuid
 312                     my_getpwnam
 313                     my_getpwent
 314                     my_setpwent
 315                     my_endpwent
 316                     setgrent
 317                     endgrent
 318                     getgrent
 319                     malloc_mutex
 320                     threads_mutex
 321                     nthreads
 322                     nthreads_cond
 323                     os2_cond_wait
 324                     os2_stat
 325                     pthread_join
 326                     pthread_create
 327                     pthread_detach
 328                     XS_Cwd_change_drive
 329                     XS_Cwd_current_drive
 330                     XS_Cwd_extLibpath
 331                     XS_Cwd_extLibpath_set
 332                     XS_Cwd_sys_abspath
 333                     XS_Cwd_sys_chdir
 334                     XS_Cwd_sys_cwd
 335                     XS_Cwd_sys_is_absolute
 336                     XS_Cwd_sys_is_relative
 337                     XS_Cwd_sys_is_rooted
 338                     XS_DynaLoader_mod2fname
 339                     XS_File__Copy_syscopy
 340                     Perl_Register_MQ
 341                     Perl_Deregister_MQ
 342                     Perl_Serve_Messages
 343                     Perl_Process_Messages
 344                     init_PMWIN_entries
 345                     PMWIN_entries
 346                     Perl_hab_GET
 347                     loadByOrdinal
 348                     pExtFCN
 349                     )]);
 350 }
 351 elsif ($PLATFORM eq 'MacOS') {
 352     skip_symbols [qw(
 353                     Perl_GetVars
 354                     PL_cryptseen
 355                     PL_cshlen
 356                     PL_cshname
 357                     PL_statusvalue_vms
 358                     PL_sys_intern
 359                     PL_opsave
 360                     PL_timesbuf
 361                     Perl_dump_fds
 362                     Perl_my_bcopy
 363                     Perl_my_bzero
 364                     Perl_my_chsize
 365                     Perl_my_htonl
 366                     Perl_my_memcmp
 367                     Perl_my_memset
 368                     Perl_my_ntohl
 369                     Perl_my_swap
 370                     Perl_safexcalloc
 371                     Perl_safexfree
 372                     Perl_safexmalloc
 373                     Perl_safexrealloc
 374                     Perl_unlnk
 375                     Perl_sys_intern_clear
 376                     Perl_sys_intern_init
 377                     )];
 378 }
 379 elsif ($PLATFORM eq 'netware') {
 380         skip_symbols [qw(
 381                         PL_statusvalue_vms
 382                         PL_archpat_auto
 383                         PL_cryptseen
 384                         PL_DBcv
 385                         PL_generation
 386                         PL_lastgotoprobe
 387                         PL_linestart
 388                         PL_modcount
 389                         PL_pending_ident
 390                         PL_sortcxix
 391                         PL_sublex_info
 392                         PL_timesbuf
 393                         main
 394                         Perl_ErrorNo
 395                         Perl_GetVars
 396                         Perl_do_exec3
 397                         Perl_do_ipcctl
 398                         Perl_do_ipcget
 399                         Perl_do_msgrcv
 400                         Perl_do_msgsnd
 401                         Perl_do_semop
 402                         Perl_do_shmio
 403                         Perl_dump_fds
 404                         Perl_init_thread_intern
 405                         Perl_my_bzero
 406                         Perl_my_htonl
 407                         Perl_my_ntohl
 408                         Perl_my_swap
 409                         Perl_my_chsize
 410                         Perl_same_dirent
 411                         Perl_setenv_getix
 412                         Perl_unlnk
 413                         Perl_watch
 414                         Perl_safexcalloc
 415                         Perl_safexmalloc
 416                         Perl_safexfree
 417                         Perl_safexrealloc
 418                         Perl_my_memcmp
 419                         Perl_my_memset
 420                         PL_cshlen
 421                         PL_cshname
 422                         PL_opsave
 423                         Perl_do_exec
 424                         Perl_getenv_len
 425                         Perl_my_pclose
 426                         Perl_my_popen
 427                         )];
 428 }
 429
 430 unless ($define{'DEBUGGING'}) {
 431     skip_symbols [qw(
 432                     Perl_deb_growlevel
 433                     Perl_debop
 434                     Perl_debprofdump
 435                     Perl_debstack
 436                     Perl_debstackptrs
 437                     Perl_runops_debug
 438                     Perl_sv_peek
 439                     PL_block_type
 440                     PL_watchaddr
 441                     PL_watchok
 442                     )];
 443 }
 444
 445 if ($define{'PERL_IMPLICIT_SYS'}) {
 446     skip_symbols [qw(
 447                     Perl_getenv_len
 448                     Perl_my_popen
 449                     Perl_my_pclose
 450                     )];
 451 }
 452 else {
 453     skip_symbols [qw(
 454                     PL_Mem
 455                     PL_MemShared
 456                     PL_MemParse
 457                     PL_Env
 458                     PL_StdIO
 459                     PL_LIO
 460                     PL_Dir
 461                     PL_Sock
 462                     PL_Proc
 463                     )];
 464 }
 465
 466 unless ($define{'PERL_FLEXIBLE_EXCEPTIONS'}) {
 467     skip_symbols [qw(
 468                     PL_protect
 469                     Perl_default_protect
 470                     Perl_vdefault_protect
 471                     )];
 472 }
 473
 474 unless ($define{'USE_REENTRANT_API'}) {
 475     skip_symbols [qw(
 476                     PL_reentrant_buffer
 477                     )];
 478 }
 479
 480 if ($define{'MYMALLOC'}) {
 481     emit_symbols [qw(
 482                     Perl_dump_mstats
 483                     Perl_get_mstats
 484                     Perl_strdup
 485                     Perl_putenv
 486                     )];
 487     if ($define{'USE_5005THREADS'} || $define{'USE_ITHREADS'}) {
 488         emit_symbols [qw(
 489                         PL_malloc_mutex
 490                         )];
 491     }
 492     else {
 493         skip_symbols [qw(
 494                         PL_malloc_mutex
 495                         )];
 496     }
 497 }
 498 else {
 499     skip_symbols [qw(
 500                     PL_malloc_mutex
 501                     Perl_dump_mstats
 502                     Perl_get_mstats
 503                     Perl_malloced_size
 504                     )];
 505 }
 506
 507 unless ($define{'USE_5005THREADS'} || $define{'USE_ITHREADS'}) {
 508     skip_symbols [qw(
 509                     PL_thr_key
 510                     )];
 511 }
 512
 513 unless ($define{'USE_5005THREADS'}) {
 514     skip_symbols [qw(
 515                     PL_sv_mutex
 516                     PL_strtab_mutex
 517                     PL_svref_mutex
 518                     PL_cred_mutex
 519                     PL_eval_mutex
 520                     PL_fdpid_mutex
 521                     PL_sv_lock_mutex
 522                     PL_eval_cond
 523                     PL_eval_owner
 524                     PL_threads_mutex
 525                     PL_nthreads
 526                     PL_nthreads_cond
 527                     PL_threadnum
 528                     PL_threadsv_names
 529                     PL_thrsv
 530                     PL_vtbl_mutex
 531                     Perl_condpair_magic
 532                     Perl_new_struct_thread
 533                     Perl_per_thread_magicals
 534                     Perl_thread_create
 535                     Perl_find_threadsv
 536                     Perl_unlock_condpair
 537                     Perl_magic_mutexfree
 538                     Perl_sv_lock
 539                     )];
 540 }
 541
 542 unless ($define{'USE_ITHREADS'}) {
 543     skip_symbols [qw(
 544                     PL_ptr_table
 545                     PL_op_mutex
 546                     PL_regex_pad
 547                     PL_regex_padav
 548                     Perl_dirp_dup
 549                     Perl_cx_dup
 550                     Perl_si_dup
 551                     Perl_any_dup
 552                     Perl_ss_dup
 553                     Perl_fp_dup
 554                     Perl_gp_dup
 555                     Perl_he_dup
 556                     Perl_mg_dup
 557                     Perl_re_dup
 558                     Perl_sv_dup
 559                     Perl_sys_intern_dup
 560                     Perl_ptr_table_clear
 561                     Perl_ptr_table_fetch
 562                     Perl_ptr_table_free
 563                     Perl_ptr_table_new
 564                     Perl_ptr_table_clear
 565                     Perl_ptr_table_free
 566                     Perl_ptr_table_split
 567                     Perl_ptr_table_store
 568                     perl_clone
 569                     perl_clone_using
 570                     )];
 571 }
 572
 573 unless ($define{'PERL_IMPLICIT_CONTEXT'}) {
 574     skip_symbols [qw(
 575                     Perl_croak_nocontext
 576                     Perl_die_nocontext
 577                     Perl_deb_nocontext
 578                     Perl_form_nocontext
 579                     Perl_load_module_nocontext
 580                     Perl_mess_nocontext
 581                     Perl_warn_nocontext
 582                     Perl_warner_nocontext
 583                     Perl_newSVpvf_nocontext
 584                     Perl_sv_catpvf_nocontext
 585                     Perl_sv_setpvf_nocontext
 586                     Perl_sv_catpvf_mg_nocontext
 587                     Perl_sv_setpvf_mg_nocontext
 588                     )];
 589 }
 590
 591 unless ($define{'PERL_IMPLICIT_SYS'}) {
 592     skip_symbols [qw(
 593                     perl_alloc_using
 594                     perl_clone_using
 595                     )];
 596 }
 597
 598 unless ($define{'FAKE_THREADS'}) {
 599     skip_symbols [qw(PL_curthr)];
 600 }
 601
 602 sub readvar {
 603     my $file = shift;
 604     my $proc = shift || sub { "PL_$_[2]" };
 605     open(VARS,$file) || die "Cannot open $file: $!\n";
 606     my @syms;
 607     while (<VARS>) {
 608         # All symbols have a Perl_ prefix because that's what embed.h
 609         # sticks in front of them.
 610         push(@syms, &$proc($1,$2,$3)) if (/\bPERLVAR(A?I?C?)\(([IGT])(\w+)/);
 611     }
 612     close(VARS);
 613     return \@syms;
 614 }
 615
 616 if ($define{'USE_5005THREADS'}) {
 617     my $thrd = readvar($thrdvar_h);
 618     skip_symbols $thrd;
 619 }
 620
 621 if ($define{'PERL_GLOBAL_STRUCT'}) {
 622     my $global = readvar($perlvars_h);
 623     skip_symbols $global;
 624     emit_symbol('Perl_GetVars');
 625     emit_symbols [qw(PL_Vars PL_VarsPtr)] unless $CCTYPE eq 'GCC';
 626 }
 627
 628 # functions from *.sym files
 629
 630 my @syms = ($global_sym, $globvar_sym); # $pp_sym is not part of the API
 631
 632 my @layer_syms = qw(
 633                          PerlIOBase_clearerr
 634                          PerlIOBase_close
 635                          PerlIOBase_eof
 636                          PerlIOBase_error
 637                          PerlIOBase_fileno
 638                          PerlIOBase_setlinebuf
 639                          PerlIOBase_pushed
 640                          PerlIOBase_read
 641                          PerlIOBase_unread
 642                          PerlIOBuf_bufsiz
 643                          PerlIOBuf_fill
 644                          PerlIOBuf_flush
 645                          PerlIOBuf_get_cnt
 646                          PerlIOBuf_get_ptr
 647                          PerlIOBuf_open
 648                          PerlIOBuf_pushed
 649                          PerlIOBuf_read
 650                          PerlIOBuf_seek
 651                          PerlIOBuf_set_ptrcnt
 652                          PerlIOBuf_tell
 653                          PerlIOBuf_unread
 654                          PerlIOBuf_write
 655                          PerlIO_define_layer
 656                          PerlIO_arg_fetch
 657                          PerlIO_pending
 658                          PerlIO_allocate
 659                          PerlIO_push
 660                          PerlIO_unread
 661 );
 662
 663 if ($define{'USE_PERLIO'}) {
 664     push @syms, $perlio_sym;
 665     if ($define{'USE_SFIO'}) {
 666         skip_symbols \@layer_syms;
 667         # SFIO defines most of the PerlIO routines as macros
 668         skip_symbols [qw(
 669                          PerlIO_canset_cnt
 670                          PerlIO_clearerr
 671                          PerlIO_close
 672                          PerlIO_eof
 673                          PerlIO_error
 674                          PerlIO_exportFILE
 675                          PerlIO_fast_gets
 676                          PerlIO_fdopen
 677                          PerlIO_fileno
 678                          PerlIO_findFILE
 679                          PerlIO_flush
 680                          PerlIO_get_base
 681                          PerlIO_get_bufsiz
 682                          PerlIO_get_cnt
 683                          PerlIO_get_ptr
 684                          PerlIO_getc
 685                          PerlIO_getname
 686                          PerlIO_has_base
 687                          PerlIO_has_cntptr
 688                          PerlIO_importFILE
 689                          PerlIO_open
 690                          PerlIO_printf
 691                          PerlIO_putc
 692                          PerlIO_puts
 693                          PerlIO_read
 694                          PerlIO_releaseFILE
 695                          PerlIO_reopen
 696                          PerlIO_rewind
 697                          PerlIO_seek
 698                          PerlIO_set_cnt
 699                          PerlIO_set_ptrcnt
 700                          PerlIO_setlinebuf
 701                          PerlIO_sprintf
 702                          PerlIO_stderr
 703                          PerlIO_stdin
 704                          PerlIO_stdout
 705                          PerlIO_stdoutf
 706                          PerlIO_tell
 707                          PerlIO_ungetc
 708                          PerlIO_vprintf
 709                          PerlIO_write
 710                          )];
 711     }
 712 } else {
 713         # Skip the PerlIO New Generation symbols.
 714         skip_symbols \@layer_syms;
 715 }
 716
 717 for my $syms (@syms) {
 718     open (GLOBAL, "<$syms") || die "failed to open $syms: $!\n";
 719     while (<GLOBAL>) {
 720         next if (!/^[A-Za-z]/);
 721         # Functions have a Perl_ prefix
 722         # Variables have a PL_ prefix
 723         chomp($_);
 724         my $symbol = ($syms =~ /var\.sym$/i ? "PL_" : "");
 725         $symbol .= $_;
 726         emit_symbol($symbol) unless exists $skip{$symbol};
 727     }
 728     close(GLOBAL);
 729 }
 730
 731 # variables
 732
 733 if ($define{'PERL_OBJECT'} || $define{'MULTIPLICITY'}) {
 734     for my $f ($perlvars_h, $intrpvar_h, $thrdvar_h) {
 735         my $glob = readvar($f, sub { "Perl_" . $_[1] . $_[2] . "_ptr" });
 736         emit_symbols $glob;
 737     }
 738     # XXX AIX seems to want the perlvars.h symbols, for some reason
 739     if ($PLATFORM eq 'aix') {
 740         my $glob = readvar($perlvars_h);
 741         emit_symbols $glob;
 742     }
 743 }
 744 else {
 745     unless ($define{'PERL_GLOBAL_STRUCT'}) {
 746         my $glob = readvar($perlvars_h);
 747         emit_symbols $glob;
 748     }
 749     unless ($define{'MULTIPLICITY'}) {
 750         my $glob = readvar($intrpvar_h);
 751         emit_symbols $glob;
 752     }
 753     unless ($define{'MULTIPLICITY'} || $define{'USE_5005THREADS'}) {
 754         my $glob = readvar($thrdvar_h);
 755         emit_symbols $glob;
 756     }
 757 }
 758
 759 sub try_symbol {
 760     my $symbol = shift;
 761
 762     return if $symbol !~ /^[A-Za-z_]/;
 763     return if $symbol =~ /^\#/;
 764     $symbol =~s/\r//g;
 765     chomp($symbol);
 766     return if exists $skip{$symbol};
 767     emit_symbol($symbol);
 768 }
 769
 770 while (<DATA>) {
 771     try_symbol($_);
 772 }
 773
 774 if ($PLATFORM eq 'win32') {
 775     foreach my $symbol (qw(
 776                             setuid
 777                             setgid
 778                             boot_DynaLoader
 779                             Perl_init_os_extras
 780                             Perl_thread_create
 781                             Perl_win32_init
 782                             RunPerl
 783                             win32_errno
 784                             win32_environ
 785                             win32_abort
 786                             win32_fstat
 787                             win32_stat
 788                             win32_pipe
 789                             win32_popen
 790                             win32_pclose
 791                             win32_rename
 792                             win32_setmode
 793                             win32_lseek
 794                             win32_tell
 795                             win32_dup
 796                             win32_dup2
 797                             win32_open
 798                             win32_close
 799                             win32_eof
 800                             win32_read
 801                             win32_write
 802                             win32_spawnvp
 803                             win32_mkdir
 804                             win32_rmdir
 805                             win32_chdir
 806                             win32_flock
 807                             win32_execv
 808                             win32_execvp
 809                             win32_htons
 810                             win32_ntohs
 811                             win32_htonl
 812                             win32_ntohl
 813                             win32_inet_addr
 814                             win32_inet_ntoa
 815                             win32_socket
 816                             win32_bind
 817                             win32_listen
 818                             win32_accept
 819                             win32_connect
 820                             win32_send
 821                             win32_sendto
 822                             win32_recv
 823                             win32_recvfrom
 824                             win32_shutdown
 825                             win32_closesocket
 826                             win32_ioctlsocket
 827                             win32_setsockopt
 828                             win32_getsockopt
 829                             win32_getpeername
 830                             win32_getsockname
 831                             win32_gethostname
 832                             win32_gethostbyname
 833                             win32_gethostbyaddr
 834                             win32_getprotobyname
 835                             win32_getprotobynumber
 836                             win32_getservbyname
 837                             win32_getservbyport
 838                             win32_select
 839                             win32_endhostent
 840                             win32_endnetent
 841                             win32_endprotoent
 842                             win32_endservent
 843                             win32_getnetent
 844                             win32_getnetbyname
 845                             win32_getnetbyaddr
 846                             win32_getprotoent
 847                             win32_getservent
 848                             win32_sethostent
 849                             win32_setnetent
 850                             win32_setprotoent
 851                             win32_setservent
 852                             win32_getenv
 853                             win32_putenv
 854                             win32_perror
 855                             win32_malloc
 856                             win32_calloc
 857                             win32_realloc
 858                             win32_free
 859                             win32_sleep
 860                             win32_times
 861                             win32_access
 862                             win32_alarm
 863                             win32_chmod
 864                             win32_open_osfhandle
 865                             win32_get_osfhandle
 866                             win32_ioctl
 867                             win32_link
 868                             win32_unlink
 869                             win32_utime
 870                             win32_uname
 871                             win32_wait
 872                             win32_waitpid
 873                             win32_kill
 874                             win32_str_os_error
 875                             win32_opendir
 876                             win32_readdir
 877                             win32_telldir
 878                             win32_seekdir
 879                             win32_rewinddir
 880                             win32_closedir
 881                             win32_longpath
 882                             win32_os_id
 883                             win32_getpid
 884                             win32_crypt
 885                             win32_dynaload
 886
 887                             win32_stdin
 888                             win32_stdout
 889                             win32_stderr
 890                             win32_ferror
 891                             win32_feof
 892                             win32_strerror
 893                             win32_fprintf
 894                             win32_printf
 895                             win32_vfprintf
 896                             win32_vprintf
 897                             win32_fread
 898                             win32_fwrite
 899                             win32_fopen
 900                             win32_fdopen
 901                             win32_freopen
 902                             win32_fclose
 903                             win32_fputs
 904                             win32_fputc
 905                             win32_ungetc
 906                             win32_getc
 907                             win32_fileno
 908                             win32_clearerr
 909                             win32_fflush
 910                             win32_ftell
 911                             win32_fseek
 912                             win32_fgetpos
 913                             win32_fsetpos
 914                             win32_rewind
 915                             win32_tmpfile
 916                             win32_setbuf
 917                             win32_setvbuf
 918                             win32_flushall
 919                             win32_fcloseall
 920                             win32_fgets
 921                             win32_gets
 922                             win32_fgetc
 923                             win32_putc
 924                             win32_puts
 925                             win32_getchar
 926                             win32_putchar
 927                            ))
 928     {
 929         try_symbol($symbol);
 930     }
 931 }
 932 elsif ($PLATFORM eq 'os2') {
 933     open MAP, 'miniperl.map' or die 'Cannot read miniperl.map';
 934     /^\s*[\da-f:]+\s+(\w+)/i and $mapped{$1}++ foreach <MAP>;
 935     close MAP or die 'Cannot close miniperl.map';
 936
 937     @missing = grep { !exists $mapped{$_} and !exists $bincompat5005{$_} }
 938                     keys %export;
 939     delete $export{$_} foreach @missing;
 940 }
 941 elsif ($PLATFORM eq 'MacOS') {
 942     open MACSYMS, 'macperl.sym' or die 'Cannot read macperl.sym';
 943
 944     while (<MACSYMS>) {
 945         try_symbol($_);
 946     }
 947
 948     close MACSYMS;
 949 }
 950 elsif ($PLATFORM eq 'netware') {
 951 foreach my $symbol (qw(
 952                         boot_DynaLoader
 953                         Perl_init_os_extras
 954                         Perl_thread_create
 955                         Perl_nw5_init
 956                         RunPerl
 957                         AllocStdPerl
 958                         FreeStdPerl
 959                         do_spawn2
 960                         do_aspawn
 961                         nw_uname
 962                         nw_stdin
 963                         nw_stdout
 964                         nw_stderr
 965                         nw_feof
 966                         nw_ferror
 967                         nw_fopen
 968                         nw_fclose
 969                         nw_clearerr
 970                         nw_getc
 971                         nw_fgets
 972                         nw_fputc
 973                         nw_fputs
 974                         nw_fflush
 975                         nw_ungetc
 976                         nw_fileno
 977                         nw_fdopen
 978                         nw_freopen
 979                         nw_fread
 980                         nw_fwrite
 981                         nw_setbuf
 982                         nw_setvbuf
 983                         nw_vfprintf
 984                         nw_ftell
 985                         nw_fseek
 986                         nw_rewind
 987                         nw_tmpfile
 988                         nw_fgetpos
 989                         nw_fsetpos
 990                         nw_dup
 991                         nw_access
 992                         nw_chmod
 993                         nw_chsize
 994                         nw_close
 995                         nw_dup2
 996                         nw_flock
 997                         nw_isatty
 998                         nw_link
 999                         nw_lseek
1000                         nw_stat
1001                         nw_mktemp
1002                         nw_open
1003                         nw_read
1004                         nw_rename
1005                         nw_setmode
1006                         nw_unlink
1007                         nw_utime
1008                         nw_write
1009                         nw_chdir
1010                         nw_rmdir
1011                         nw_closedir
1012                         nw_opendir
1013                         nw_readdir
1014                         nw_rewinddir
1015                         nw_seekdir
1016                         nw_telldir
1017                         nw_htonl
1018                         nw_htons
1019                         nw_ntohl
1020                         nw_ntohs
1021                         nw_accept
1022                         nw_bind
1023                         nw_connect
1024                         nw_endhostent
1025                         nw_endnetent
1026                         nw_endprotoent
1027                         nw_endservent
1028                         nw_gethostbyaddr
1029                         nw_gethostbyname
1030                         nw_gethostent
1031                         nw_gethostname
1032                         nw_getnetbyaddr
1033                         nw_getnetbyname
1034                         nw_getnetent
1035                         nw_getpeername
1036                         nw_getprotobyname
1037                         nw_getprotobynumber
1038                         nw_getprotoent
1039                         nw_getservbyname
1040                         nw_getservbyport
1041                         nw_getservent
1042                         nw_getsockname
1043                         nw_getsockopt
1044                         nw_inet_addr
1045                         nw_listen
1046                         nw_socket
1047                         nw_recv
1048                         nw_recvfrom
1049                         nw_select
1050                         nw_send
1051                         nw_sendto
1052                         nw_sethostent
1053                         nw_setnetent
1054                         nw_setprotoent
1055                         nw_setservent
1056                         nw_shutdown
1057                         nw_crypt
1058                         nw_execvp
1059                         nw_kill
1060                         nw_Popen
1061                         nw_Pclose
1062                         nw_Pipe
1063                         nw_times
1064                         nw_waitpid
1065                         nw_getpid
1066                         nw_spawnvp
1067                         nw_os_id
1068                         nw_open_osfhandle
1069                         nw_get_osfhandle
1070                         nw_abort
1071                         nw_sleep
1072                         nw_wait
1073                         nw_dynaload
1074                         nw_strerror
1075                         fnFpSetMode
1076                         fnInsertHashListAddrs
1077                         fnGetHashListAddrs
1078                         Perl_deb
1079                            ))
1080     {
1081         try_symbol($symbol);
1082     }
1083 }
1084
1085 # Now all symbols should be defined because
1086 # next we are going to output them.
1087
1088 foreach my $symbol (sort keys %export) {
1089     output_symbol($symbol);
1090 }
1091
1092 if ($PLATFORM eq 'netware') {
1093         # This may not be the right way to do.  This is to make sure
1094         # that the last symbol will not contain a comma else
1095         # Watcom linker cribs
1096         print "\tdummy\n";
1097 }
1098
1099 sub emit_symbol {
1100     my $symbol = shift;
1101     chomp($symbol);
1102     $export{$symbol} = 1;
1103 }
1104
1105 my $sym_ord = 0;
1106
1107 sub output_symbol {
1108     my $symbol = shift;
1109     $symbol = $bincompat5005{$symbol}
1110         if $define{PERL_BINCOMPAT_5005} and $symbol =~ /^($bincompat5005)$/;
1111     if ($PLATFORM eq 'win32') {
1112         $symbol = "_$symbol" if $CCTYPE eq 'BORLAND';
1113         print "\t$symbol\n";
1114 # XXX: binary compatibility between compilers is an exercise
1115 # in frustration :-(
1116 #        if ($CCTYPE eq "BORLAND") {
1117 #           # workaround Borland quirk by exporting both the straight
1118 #           # name and a name with leading underscore.  Note the
1119 #           # alias *must* come after the symbol itself, if both
1120 #           # are to be exported. (Linker bug?)
1121 #           print "\t_$symbol\n";
1122 #           print "\t$symbol = _$symbol\n";
1123 #       }
1124 #       elsif ($CCTYPE eq 'GCC') {
1125 #           # Symbols have leading _ whole process is $%@"% slow
1126 #           # so skip aliases for now
1127 #           nprint "\t$symbol\n";
1128 #       }
1129 #       else {
1130 #           # for binary coexistence, export both the symbol and
1131 #           # alias with leading underscore
1132 #           print "\t$symbol\n";
1133 #           print "\t_$symbol = $symbol\n";
1134 #       }
1135     }
1136     elsif ($PLATFORM eq 'os2') {
1137         printf qq(    %-31s \@%s\n), qq("$symbol"), ++$sym_ord;
1138     }
1139     elsif ($PLATFORM eq 'aix' || $PLATFORM eq 'MacOS') {
1140         print "$symbol\n";
1141     }
1142         elsif ($PLATFORM eq 'netware') {
1143         print "\t$symbol,\n";
1144         }
1145 }
1146
1147 1;
1148 __DATA__
1149 # extra globals not included above.
1150 perl_alloc
1151 perl_alloc_using
1152 perl_clone
1153 perl_clone_using
1154 perl_construct
1155 perl_destruct
1156 perl_free
1157 perl_parse
1158 perl_run
1159 PerlIO_define_layer
1160 PerlIOBuf_set_ptrcnt
1161 PerlIOBuf_get_cnt
1162 PerlIOBuf_get_ptr
1163 PerlIOBuf_bufsiz
1164 PerlIOBase_clearerr
1165 PerlIOBase_setlinebuf
1166 PerlIOBase_pushed
1167 PerlIOBase_read
1168 PerlIOBase_unread
1169 PerlIOBase_error
1170 PerlIOBase_eof
1171 PerlIOBuf_tell
1172 PerlIOBuf_seek
1173 PerlIOBuf_write
1174 PerlIOBuf_unread
1175 PerlIOBuf_read
1176 PerlIOBuf_open
1177 PerlIOBase_fileno
1178 PerlIOBuf_pushed
1179 PerlIOBuf_fill
1180 PerlIOBuf_flush
1181 PerlIOBase_close
1182 PerlIO_define_layer
1183 PerlIO_pending
1184 PerlIO_unread
1185 PerlIO_push
1186 PerlIO_allocate
1187 PerlIO_arg_fetch
1188 PerlIO_apply_layers
1189 perlsio_binmode
1190 PerlIO_binmode
1191 PerlIO_init
1192 PerlIO_tmpfile
1193 PerlIO_setpos
1194 PerlIO_getpos
1195 PerlIO_vsprintf
1196 PerlIO_sprintf