makedef.pl

   1 #./perl -w
   2 #
   3 # Create the export list for perl.
   4 #
   5 # Needed by WIN32 and OS/2 for creating perl.dll,
   6 # and by AIX for creating libperl.a when -Duseshrplib is in effect,
   7 # and by VMS for creating perlshr.exe.
   8 #
   9 # Reads from information stored in
  10 #
  11 #    %Config::Config (ie config.sh)
  12 #    config.h
  13 #    embed.fnc
  14 #    globvar.sym
  15 #    intrpvar.h
  16 #    miniperl.map (on OS/2)
  17 #    perl5.def    (on OS/2; this is the old version of the file being made)
  18 #    perlio.sym
  19 #    perlvars.h
  20 #    regen/opcodes
  21 #
  22 # plus long lists of function names hard-coded directly in this script.
  23 #
  24 # Writes the result to STDOUT.
  25 #
  26 # Normally this script is invoked from a makefile (e.g. win32/Makefile),
  27 # which redirects STDOUT to a suitable file, such as:
  28 #
  29 #    perl5.def   OS/2
  30 #    perldll.def Windows
  31 #    perl.exp    AIX
  32 #    perl.imp    NetWare
  33 #    makedef.lis VMS
  34
  35 BEGIN { unshift @INC, "lib" }
  36 use Config;
  37 use strict;
  38
  39 my %ARGS = (CCTYPE => 'MSVC', TARG_DIR => '');
  40
  41 my %define;
  42
  43 my $fold;
  44
  45 sub process_cc_flags {
  46     foreach (map {split /\s+/, $_} @_) {
  47         $define{$1} = $2 // 1 if /^-D(\w+)(?:=(.+))?/;
  48     }
  49 }
  50
  51 while (@ARGV) {
  52     my $flag = shift;
  53     if ($flag =~ /^(?:CC_FLAGS=)?(-D\w.*)/) {
  54         process_cc_flags($1);
  55     } elsif ($flag =~ /^(CCTYPE|FILETYPE|PLATFORM|TARG_DIR)=(.+)$/) {
  56         $ARGS{$1} = $2;
  57     } elsif ($flag eq '--sort-fold') {
  58         ++$fold;
  59     }
  60 }
  61
  62 require "$ARGS{TARG_DIR}regen/embed_lib.pl";
  63
  64 {
  65     my @PLATFORM = qw(aix win32 wince os2 netware vms test);
  66     my %PLATFORM;
  67     @PLATFORM{@PLATFORM} = ();
  68
  69     die "PLATFORM undefined, must be one of: @PLATFORM\n"
  70         unless defined $ARGS{PLATFORM};
  71     die "PLATFORM must be one of: @PLATFORM\n"
  72         unless exists $PLATFORM{$ARGS{PLATFORM}};
  73 }
  74
  75 # Is the following guard strictly necessary? Added during refactoring
  76 # to keep the same behaviour when merging other code into here.
  77 process_cc_flags(@Config{qw(ccflags optimize)})
  78     if $ARGS{PLATFORM} ne 'win32' && $ARGS{PLATFORM} ne 'wince'
  79     && $ARGS{PLATFORM} ne 'netware';
  80
  81 # Add the compile-time options that miniperl was built with to %define.
  82 # On Win32 these are not the same options as perl itself will be built
  83 # with since miniperl is built with a canned config (one of the win32/
  84 # config_H.*) and none of the BUILDOPT's that are set in the makefiles,
  85 # but they do include some #define's that are hard-coded in various
  86 # source files and header files and don't include any BUILDOPT's that
  87 # the user might have chosen to disable because the canned configs are
  88 # minimal configs that don't include any of those options.
  89
  90 #don't use the host Perl's -V defines for the WinCE Perl
  91 if($ARGS{PLATFORM} ne 'wince') {
  92     my @options = sort(Config::bincompat_options(), Config::non_bincompat_options());
  93     print STDERR "Options: (@options)\n" unless $ARGS{PLATFORM} eq 'test';
  94     $define{$_} = 1 foreach @options;
  95 }
  96
  97 my %exportperlmalloc =
  98     (
  99        Perl_malloc              =>      "malloc",
 100        Perl_mfree               =>      "free",
 101        Perl_realloc             =>      "realloc",
 102        Perl_calloc              =>      "calloc",
 103     );
 104
 105 my $exportperlmalloc = $ARGS{PLATFORM} eq 'os2';
 106
 107 my $config_h = 'config.h';
 108 open(CFG, '<', $config_h) || die "Cannot open $config_h: $!\n";
 109 while (<CFG>) {
 110     $define{$1} = 1 if /^\s*\#\s*define\s+(MYMALLOC|MULTIPLICITY
 111                                            |SPRINTF_RETURNS_STRLEN
 112                                            |KILL_BY_SIGPRC
 113                                            |(?:PERL|USE|HAS)_\w+)\b/x;
 114 }
 115 close(CFG);
 116
 117 # perl.h logic duplication begins
 118
 119 if ($define{USE_ITHREADS}) {
 120     if (!$define{MULTIPLICITY}) {
 121         $define{MULTIPLICITY} = 1;
 122     }
 123 }
 124
 125 $define{PERL_IMPLICIT_CONTEXT} ||=
 126     $define{USE_ITHREADS} ||
 127     $define{MULTIPLICITY} ;
 128
 129 if ($define{USE_ITHREADS} && $ARGS{PLATFORM} ne 'win32' && $^O ne 'darwin') {
 130     $define{USE_REENTRANT_API} = 1;
 131 }
 132
 133 # perl.h logic duplication ends
 134
 135 print STDERR "Defines: (" . join(' ', sort keys %define) . ")\n"
 136      unless $ARGS{PLATFORM} eq 'test';
 137
 138 my $sym_ord = 0;
 139 my %ordinal;
 140
 141 if ($ARGS{PLATFORM} eq 'os2') {
 142     if (open my $fh, '<', 'perl5.def') {
 143       while (<$fh>) {
 144         last if /^\s*EXPORTS\b/;
 145       }
 146       while (<$fh>) {
 147         $ordinal{$1} = $2 if /^\s*"(\w+)"\s*(?:=\s*"\w+"\s*)?\@(\d+)\s*$/;
 148         # This allows skipping ordinals which were used in older versions
 149         $sym_ord = $1 if /^\s*;\s*LAST_ORDINAL\s*=\s*(\d+)\s*$/;
 150       }
 151       $sym_ord < $_ and $sym_ord = $_ for values %ordinal; # Take the max
 152     }
 153 }
 154
 155 my %skip;
 156 # All platforms export boot_DynaLoader unconditionally.
 157 my %export = ( boot_DynaLoader => 1 );
 158
 159 sub try_symbols {
 160     foreach my $symbol (@_) {
 161         ++$export{$symbol} unless exists $skip{$symbol};
 162     }
 163 }
 164
 165 sub readvar {
 166     # $hash is the hash that we're adding to. For one of our callers, it will
 167     # actually be the skip hash but that doesn't affect the intent of what
 168     # we're doing, as in that case we skip adding something to the skip hash
 169     # for the second time.
 170
 171     my $file = $ARGS{TARG_DIR} . shift;
 172     my $hash = shift;
 173     my $proc = shift;
 174     open my $vars, '<', $file or die die "Cannot open $file: $!\n";
 175
 176     while (<$vars>) {
 177         # All symbols have a Perl_ prefix because that's what embed.h sticks
 178         # in front of them.  The A?I?S?C? is strictly speaking wrong.
 179         next unless /\bPERLVAR(A?I?S?C?)\(([IGT]),\s*(\w+)/;
 180
 181         my $var = "PL_$3";
 182         my $symbol = $proc ? &$proc($1,$2,$3) : $var;
 183         ++$hash->{$symbol} unless exists $skip{$var};
 184     }
 185 }
 186
 187 if ($ARGS{PLATFORM} ne 'os2') {
 188     ++$skip{$_} foreach qw(
 189                      PL_cryptseen
 190                      PL_opsave
 191                      Perl_GetVars
 192                      Perl_dump_fds
 193                      Perl_my_bcopy
 194                      Perl_my_bzero
 195                      Perl_my_chsize
 196                      Perl_my_htonl
 197                      Perl_my_memcmp
 198                      Perl_my_memset
 199                      Perl_my_ntohl
 200                      Perl_my_swap
 201                          );
 202     if ($ARGS{PLATFORM} eq 'vms') {
 203         ++$skip{PL_statusvalue_posix};
 204         # This is a wrapper if we have symlink, not a replacement
 205         # if we don't.
 206         ++$skip{Perl_my_symlink} unless $Config{d_symlink};
 207     } else {
 208         ++$skip{PL_statusvalue_vms};
 209         if ($ARGS{PLATFORM} ne 'aix') {
 210             ++$skip{$_} foreach qw(
 211                                 PL_DBcv
 212                                 PL_generation
 213                                 PL_lastgotoprobe
 214                                 PL_modcount
 215                                 PL_timesbuf
 216                                 main
 217                                  );
 218         }
 219     }
 220 }
 221
 222 if ($ARGS{PLATFORM} ne 'vms') {
 223     # VMS does its own thing for these symbols.
 224     ++$skip{$_} foreach qw(
 225                         PL_sig_handlers_initted
 226                         PL_sig_ignoring
 227                         PL_sig_defaulting
 228                          );
 229     if ($ARGS{PLATFORM} ne 'win32') {
 230         ++$skip{$_} foreach qw(
 231                             Perl_do_spawn
 232                             Perl_do_spawn_nowait
 233                             Perl_do_aspawn
 234                              );
 235     }
 236 }
 237
 238 if ($ARGS{PLATFORM} ne 'win32') {
 239     ++$skip{$_} foreach qw(
 240                     Perl_my_setlocale
 241                          );
 242 }
 243
 244 unless ($define{UNLINK_ALL_VERSIONS}) {
 245     ++$skip{Perl_unlnk};
 246 }
 247
 248 unless ($define{'DEBUGGING'}) {
 249     ++$skip{$_} foreach qw(
 250                     Perl_debop
 251                     Perl_debprofdump
 252                     Perl_debstack
 253                     Perl_debstackptrs
 254                     Perl_pad_sv
 255                     Perl_pad_setsv
 256                     Perl_hv_assert
 257                     PL_watchaddr
 258                     PL_watchok
 259                     PL_watch_pvx
 260                          );
 261 }
 262
 263 if ($define{'PERL_IMPLICIT_SYS'}) {
 264     ++$skip{$_} foreach qw(
 265                     Perl_my_popen
 266                     Perl_my_pclose
 267                          );
 268     ++$export{$_} foreach qw(perl_get_host_info perl_alloc_override);
 269     ++$export{perl_clone_host} if $define{USE_ITHREADS};
 270 }
 271 else {
 272     ++$skip{$_} foreach qw(
 273                     PL_Mem
 274                     PL_MemShared
 275                     PL_MemParse
 276                     PL_Env
 277                     PL_StdIO
 278                     PL_LIO
 279                     PL_Dir
 280                     PL_Sock
 281                     PL_Proc
 282                     perl_alloc_using
 283                     perl_clone_using
 284                          );
 285 }
 286
 287 unless ($define{'PERL_OLD_COPY_ON_WRITE'}
 288      || $define{'PERL_NEW_COPY_ON_WRITE'}) {
 289     ++$skip{Perl_sv_setsv_cow};
 290 }
 291
 292 unless ($define{PERL_SAWAMPERSAND}) {
 293     ++$skip{PL_sawampersand};
 294 }
 295
 296 unless ($define{'USE_REENTRANT_API'}) {
 297     ++$skip{PL_reentrant_buffer};
 298 }
 299
 300 if ($define{'MYMALLOC'}) {
 301     try_symbols(qw(
 302                     Perl_dump_mstats
 303                     Perl_get_mstats
 304                     Perl_strdup
 305                     Perl_putenv
 306                     MallocCfg_ptr
 307                     MallocCfgP_ptr
 308                     ));
 309     unless ($define{USE_ITHREADS}) {
 310         ++$skip{PL_malloc_mutex}
 311     }
 312 }
 313 else {
 314     ++$skip{$_} foreach qw(
 315                     PL_malloc_mutex
 316                     Perl_dump_mstats
 317                     Perl_get_mstats
 318                     MallocCfg_ptr
 319                     MallocCfgP_ptr
 320                          );
 321 }
 322
 323 if ($define{'PERL_USE_SAFE_PUTENV'}) {
 324     ++$skip{PL_use_safe_putenv};
 325 }
 326
 327 unless ($define{'USE_ITHREADS'}) {
 328     ++$skip{PL_thr_key};
 329 }
 330
 331 # USE_5005THREADS symbols. Kept as reference for easier removal
 332 ++$skip{$_} foreach qw(
 333                     PL_sv_mutex
 334                     PL_strtab_mutex
 335                     PL_svref_mutex
 336                     PL_cred_mutex
 337                     PL_eval_mutex
 338                     PL_fdpid_mutex
 339                     PL_sv_lock_mutex
 340                     PL_eval_cond
 341                     PL_eval_owner
 342                     PL_threads_mutex
 343                     PL_nthreads
 344                     PL_nthreads_cond
 345                     PL_threadnum
 346                     PL_threadsv_names
 347                     PL_thrsv
 348                     PL_vtbl_mutex
 349                     Perl_condpair_magic
 350                     Perl_new_struct_thread
 351                     Perl_per_thread_magicals
 352                     Perl_thread_create
 353                     Perl_find_threadsv
 354                     Perl_unlock_condpair
 355                     Perl_magic_mutexfree
 356                     Perl_sv_lock
 357                      );
 358
 359 unless ($define{'USE_ITHREADS'}) {
 360     ++$skip{$_} foreach qw(
 361                     PL_check_mutex
 362                     PL_op_mutex
 363                     PL_regex_pad
 364                     PL_regex_padav
 365                     PL_dollarzero_mutex
 366                     PL_hints_mutex
 367                     PL_my_ctx_mutex
 368                     PL_perlio_mutex
 369                     PL_stashpad
 370                     PL_stashpadix
 371                     PL_stashpadmax
 372                     Perl_alloccopstash
 373                     Perl_allocfilegv
 374                     Perl_clone_params_del
 375                     Perl_clone_params_new
 376                     Perl_parser_dup
 377                     Perl_dirp_dup
 378                     Perl_cx_dup
 379                     Perl_si_dup
 380                     Perl_any_dup
 381                     Perl_ss_dup
 382                     Perl_fp_dup
 383                     Perl_gp_dup
 384                     Perl_he_dup
 385                     Perl_mg_dup
 386                     Perl_re_dup_guts
 387                     Perl_sv_dup
 388                     Perl_sv_dup_inc
 389                     Perl_rvpv_dup
 390                     Perl_hek_dup
 391                     Perl_sys_intern_dup
 392                     perl_clone
 393                     perl_clone_using
 394                     Perl_stashpv_hvname_match
 395                     Perl_regdupe_internal
 396                     Perl_newPADOP
 397                          );
 398 }
 399
 400 unless ($define{'PERL_IMPLICIT_CONTEXT'}) {
 401     ++$skip{$_} foreach qw(
 402                     PL_my_cxt_index
 403                     PL_my_cxt_list
 404                     PL_my_cxt_size
 405                     PL_my_cxt_keys
 406                     Perl_croak_nocontext
 407                     Perl_die_nocontext
 408                     Perl_deb_nocontext
 409                     Perl_form_nocontext
 410                     Perl_load_module_nocontext
 411                     Perl_mess_nocontext
 412                     Perl_warn_nocontext
 413                     Perl_warner_nocontext
 414                     Perl_newSVpvf_nocontext
 415                     Perl_sv_catpvf_nocontext
 416                     Perl_sv_setpvf_nocontext
 417                     Perl_sv_catpvf_mg_nocontext
 418                     Perl_sv_setpvf_mg_nocontext
 419                     Perl_my_cxt_init
 420                     Perl_my_cxt_index
 421                          );
 422 }
 423
 424 unless ($define{'PERL_NEED_APPCTX'}) {
 425     ++$skip{PL_appctx};
 426 }
 427
 428 unless ($define{'PERL_NEED_TIMESBASE'}) {
 429     ++$skip{PL_timesbase};
 430 }
 431
 432 unless ($define{'DEBUG_LEAKING_SCALARS'}) {
 433     ++$skip{PL_sv_serial};
 434 }
 435
 436 unless ($define{'DEBUG_LEAKING_SCALARS_FORK_DUMP'}) {
 437     ++$skip{PL_dumper_fd};
 438 }
 439
 440 unless ($define{'PERL_DONT_CREATE_GVSV'}) {
 441     ++$skip{Perl_gv_SVadd};
 442 }
 443
 444 if ($define{'SPRINTF_RETURNS_STRLEN'}) {
 445     ++$skip{Perl_my_sprintf};
 446 }
 447
 448 unless ($define{'PERL_USES_PL_PIDSTATUS'}) {
 449     ++$skip{PL_pidstatus};
 450 }
 451
 452 unless ($define{'PERL_TRACK_MEMPOOL'}) {
 453     ++$skip{PL_memory_debug_header};
 454 }
 455
 456 unless ($define{'MULTIPLICITY'}) {
 457     ++$skip{$_} foreach qw(
 458                     PL_interp_size
 459                     PL_interp_size_5_18_0
 460                          );
 461 }
 462
 463 unless ($define{'PERL_GLOBAL_STRUCT'}) {
 464     ++$skip{PL_global_struct_size};
 465 }
 466
 467 unless ($define{'PERL_GLOBAL_STRUCT_PRIVATE'}) {
 468     ++$skip{$_} foreach qw(
 469                     PL_my_cxt_keys
 470                     Perl_my_cxt_index
 471                          );
 472 }
 473
 474 unless ($define{HAS_MMAP}) {
 475     ++$skip{PL_mmap_page_size};
 476 }
 477
 478 if ($define{HAS_SIGACTION}) {
 479     ++$skip{PL_sig_trapped};
 480
 481     if ($ARGS{PLATFORM} eq 'vms') {
 482         # FAKE_PERSISTENT_SIGNAL_HANDLERS defined as !defined(HAS_SIGACTION)
 483         ++$skip{PL_sig_ignoring};
 484         ++$skip{PL_sig_handlers_initted} unless $define{KILL_BY_SIGPRC};
 485     }
 486 }
 487
 488 if ($ARGS{PLATFORM} eq 'vms' && !$define{KILL_BY_SIGPRC}) {
 489     # FAKE_DEFAULT_SIGNAL_HANDLERS defined as KILL_BY_SIGPRC
 490     ++$skip{Perl_csighandler_init};
 491     ++$skip{Perl_my_kill};
 492     ++$skip{Perl_sig_to_vmscondition};
 493     ++$skip{PL_sig_defaulting};
 494     ++$skip{PL_sig_handlers_initted} unless !$define{HAS_SIGACTION};
 495 }
 496
 497 unless ($define{USE_LOCALE_COLLATE}) {
 498     ++$skip{$_} foreach qw(
 499                     PL_collation_ix
 500                     PL_collation_name
 501                     PL_collation_standard
 502                     PL_collxfrm_base
 503                     PL_collxfrm_mult
 504                     Perl_sv_collxfrm
 505                     Perl_sv_collxfrm_flags
 506                          );
 507 }
 508
 509 unless ($define{USE_LOCALE_NUMERIC}) {
 510     ++$skip{$_} foreach qw(
 511                     PL_numeric_local
 512                     PL_numeric_name
 513                     PL_numeric_radix_sv
 514                     PL_numeric_standard
 515                          );
 516 }
 517
 518 unless ($define{'USE_C_BACKTRACE'}) {
 519     ++$skip{Perl_get_c_backtrace_dump};
 520     ++$skip{Perl_dump_c_backtrace};
 521 }
 522
 523 unless ($define{HAVE_INTERP_INTERN}) {
 524     ++$skip{$_} foreach qw(
 525                     Perl_sys_intern_clear
 526                     Perl_sys_intern_dup
 527                     Perl_sys_intern_init
 528                     PL_sys_intern
 529                          );
 530 }
 531
 532 if ($define{HAS_SIGNBIT}) {
 533     ++$skip{Perl_signbit};
 534 }
 535
 536 if ($define{'PERL_GLOBAL_STRUCT'}) {
 537     readvar('perlvars.h', \%skip);
 538     # This seems like the least ugly way to cope with the fact that PL_sh_path
 539     # is mentioned in perlvar.h and globvar.sym, and always exported.
 540     delete $skip{PL_sh_path};
 541     ++$export{Perl_GetVars};
 542     try_symbols(qw(PL_Vars PL_VarsPtr))
 543       unless $ARGS{CCTYPE} eq 'GCC' || $define{PERL_GLOBAL_STRUCT_PRIVATE};
 544 } else {
 545     ++$skip{$_} foreach qw(Perl_init_global_struct Perl_free_global_struct);
 546 }
 547
 548 ++$skip{PL_op_exec_cnt}
 549     unless $define{PERL_TRACE_OPS};
 550
 551 # functions from *.sym files
 552
 553 my @syms = qw(globvar.sym);
 554
 555 # Symbols that are the public face of the PerlIO layers implementation
 556 # These are in _addition to_ the public face of the abstraction
 557 # and need to be exported to allow XS modules to implement layers
 558 my @layer_syms = qw(
 559                     PerlIOBase_binmode
 560                     PerlIOBase_clearerr
 561                     PerlIOBase_close
 562                     PerlIOBase_dup
 563                     PerlIOBase_eof
 564                     PerlIOBase_error
 565                     PerlIOBase_fileno
 566                     PerlIOBase_open
 567                     PerlIOBase_noop_fail
 568                     PerlIOBase_noop_ok
 569                     PerlIOBase_popped
 570                     PerlIOBase_pushed
 571                     PerlIOBase_read
 572                     PerlIOBase_setlinebuf
 573                     PerlIOBase_unread
 574                     PerlIOBuf_bufsiz
 575                     PerlIOBuf_close
 576                     PerlIOBuf_dup
 577                     PerlIOBuf_fill
 578                     PerlIOBuf_flush
 579                     PerlIOBuf_get_base
 580                     PerlIOBuf_get_cnt
 581                     PerlIOBuf_get_ptr
 582                     PerlIOBuf_open
 583                     PerlIOBuf_popped
 584                     PerlIOBuf_pushed
 585                     PerlIOBuf_read
 586                     PerlIOBuf_seek
 587                     PerlIOBuf_set_ptrcnt
 588                     PerlIOBuf_tell
 589                     PerlIOBuf_unread
 590                     PerlIOBuf_write
 591                     PerlIO_allocate
 592                     PerlIO_apply_layera
 593                     PerlIO_apply_layers
 594                     PerlIO_arg_fetch
 595                     PerlIO_debug
 596                     PerlIO_define_layer
 597                     PerlIO_find_layer
 598                     PerlIO_isutf8
 599                     PerlIO_layer_fetch
 600                     PerlIO_list_alloc
 601                     PerlIO_list_free
 602                     PerlIO_modestr
 603                     PerlIO_parse_layers
 604                     PerlIO_pending
 605                     PerlIO_perlio
 606                     PerlIO_pop
 607                     PerlIO_push
 608                     PerlIO_sv_dup
 609                     Perl_PerlIO_clearerr
 610                     Perl_PerlIO_close
 611                     Perl_PerlIO_context_layers
 612                     Perl_PerlIO_eof
 613                     Perl_PerlIO_error
 614                     Perl_PerlIO_fileno
 615                     Perl_PerlIO_fill
 616                     Perl_PerlIO_flush
 617                     Perl_PerlIO_get_base
 618                     Perl_PerlIO_get_bufsiz
 619                     Perl_PerlIO_get_cnt
 620                     Perl_PerlIO_get_ptr
 621                     Perl_PerlIO_read
 622                     Perl_PerlIO_seek
 623                     Perl_PerlIO_set_cnt
 624                     Perl_PerlIO_set_ptrcnt
 625                     Perl_PerlIO_setlinebuf
 626                     Perl_PerlIO_stderr
 627                     Perl_PerlIO_stdin
 628                     Perl_PerlIO_stdout
 629                     Perl_PerlIO_tell
 630                     Perl_PerlIO_unread
 631                     Perl_PerlIO_write
 632 );
 633 if ($ARGS{PLATFORM} eq 'netware') {
 634     push(@layer_syms,'PL_def_layerlist','PL_known_layers','PL_perlio');
 635 }
 636
 637 if ($define{'USE_PERLIO'}) {
 638     # Export the symbols that make up the PerlIO abstraction, regardless
 639     # of its implementation - read from a file
 640     push @syms, 'perlio.sym';
 641
 642     # PerlIO with layers - export implementation
 643     try_symbols(@layer_syms, 'perlsio_binmode');
 644 } else {
 645         # -Uuseperlio
 646         # Skip the PerlIO layer symbols - although
 647         # nothing should have exported them anyway.
 648         ++$skip{$_} foreach @layer_syms;
 649         ++$skip{$_} foreach qw(
 650                         perlsio_binmode
 651                         PL_def_layerlist
 652                         PL_known_layers
 653                         PL_perlio
 654                         PL_perlio_debug_fd
 655                         PL_perlio_fd_refcnt
 656                         PL_perlio_fd_refcnt_size
 657                         PL_perlio_mutex
 658                              );
 659
 660         # Also do NOT add abstraction symbols from $perlio_sym
 661         # abstraction is done as #define to stdio
 662         # Remaining remnants that _may_ be functions are handled below.
 663 }
 664
 665 ###############################################################################
 666
 667 # At this point all skip lists should be completed, as we are about to test
 668 # many symbols against them.
 669
 670 {
 671     my %seen;
 672     my ($embed) = setup_embed($ARGS{TARG_DIR});
 673
 674     foreach (@$embed) {
 675         my ($flags, $retval, $func, @args) = @$_;
 676         next unless $func;
 677         if ($flags =~ /[AX]/ && $flags !~ /[xmi]/ || $flags =~ /b/) {
 678             # public API, so export
 679
 680             # If a function is defined twice, for example before and after
 681             # an #else, only export its name once. Important to do this test
 682             # within the block, as the *first* definition may have flags which
 683             # mean "don't export"
 684             next if $seen{$func}++;
 685             # Should we also skip adding the Perl_ prefix if $flags =~ /o/ ?
 686             $func = "Perl_$func" if ($flags =~ /[pbX]/ && $func !~ /^Perl_/);
 687             ++$export{$func} unless exists $skip{$func};
 688         }
 689     }
 690 }
 691
 692 foreach (@syms) {
 693     my $syms = $ARGS{TARG_DIR} . $_;
 694     open my $global, '<', $syms or die "failed to open $syms: $!\n";
 695     # Functions already have a Perl_ prefix
 696     # Variables need a PL_ prefix
 697     my $prefix = $syms =~ /var\.sym$/i ? 'PL_' : '';
 698     while (<$global>) {
 699         next unless /^([A-Za-z].*)/;
 700         my $symbol = "$prefix$1";
 701         ++$export{$symbol} unless exists $skip{$symbol};
 702     }
 703 }
 704
 705 # variables
 706
 707 if ($define{'MULTIPLICITY'} && $define{PERL_GLOBAL_STRUCT}) {
 708     readvar('perlvars.h', \%export, sub { "Perl_" . $_[1] . $_[2] . "_ptr" });
 709     # XXX AIX seems to want the perlvars.h symbols, for some reason
 710     if ($ARGS{PLATFORM} eq 'aix' or $ARGS{PLATFORM} eq 'os2') { # OS/2 needs PL_thr_key
 711         readvar('perlvars.h', \%export);
 712     }
 713 }
 714 else {
 715     unless ($define{'PERL_GLOBAL_STRUCT'}) {
 716         readvar('perlvars.h', \%export);
 717     }
 718     unless ($define{MULTIPLICITY}) {
 719         readvar('intrpvar.h', \%export);
 720     }
 721 }
 722
 723 # Oddities from PerlIO
 724 # All have alternate implementations in perlio.c, so always exist.
 725 # Should they be considered to be part of the API?
 726 try_symbols(qw(
 727                     PerlIO_binmode
 728                     PerlIO_getpos
 729                     PerlIO_init
 730                     PerlIO_setpos
 731                     PerlIO_tmpfile
 732              ));
 733
 734 if ($ARGS{PLATFORM} eq 'win32') {
 735     try_symbols(qw(
 736                                  win32_free_childdir
 737                                  win32_free_childenv
 738                                  win32_get_childdir
 739                                  win32_get_childenv
 740                                  win32_spawnvp
 741                  ));
 742 }
 743
 744 if ($ARGS{PLATFORM} eq 'wince') {
 745     ++$skip{'win32_isatty'}; # commit 4342f4d6df is win32-only
 746 }
 747
 748 if ($ARGS{PLATFORM} =~ /^win(?:32|ce)$/) {
 749     try_symbols(qw(
 750                             Perl_init_os_extras
 751                             Perl_thread_create
 752                             Perl_win32_init
 753                             Perl_win32_term
 754                             RunPerl
 755                             win32_async_check
 756                             win32_errno
 757                             win32_environ
 758                             win32_abort
 759                             win32_fstat
 760                             win32_stat
 761                             win32_pipe
 762                             win32_popen
 763                             win32_pclose
 764                             win32_rename
 765                             win32_setmode
 766                             win32_chsize
 767                             win32_lseek
 768                             win32_tell
 769                             win32_dup
 770                             win32_dup2
 771                             win32_open
 772                             win32_close
 773                             win32_eof
 774                             win32_isatty
 775                             win32_read
 776                             win32_write
 777                             win32_mkdir
 778                             win32_rmdir
 779                             win32_chdir
 780                             win32_flock
 781                             win32_execv
 782                             win32_execvp
 783                             win32_htons
 784                             win32_ntohs
 785                             win32_htonl
 786                             win32_ntohl
 787                             win32_inet_addr
 788                             win32_inet_ntoa
 789                             win32_socket
 790                             win32_bind
 791                             win32_listen
 792                             win32_accept
 793                             win32_connect
 794                             win32_send
 795                             win32_sendto
 796                             win32_recv
 797                             win32_recvfrom
 798                             win32_shutdown
 799                             win32_closesocket
 800                             win32_ioctlsocket
 801                             win32_setsockopt
 802                             win32_getsockopt
 803                             win32_getpeername
 804                             win32_getsockname
 805                             win32_gethostname
 806                             win32_gethostbyname
 807                             win32_gethostbyaddr
 808                             win32_getprotobyname
 809                             win32_getprotobynumber
 810                             win32_getservbyname
 811                             win32_getservbyport
 812                             win32_select
 813                             win32_endhostent
 814                             win32_endnetent
 815                             win32_endprotoent
 816                             win32_endservent
 817                             win32_getnetent
 818                             win32_getnetbyname
 819                             win32_getnetbyaddr
 820                             win32_getprotoent
 821                             win32_getservent
 822                             win32_sethostent
 823                             win32_setnetent
 824                             win32_setprotoent
 825                             win32_setservent
 826                             win32_getenv
 827                             win32_putenv
 828                             win32_perror
 829                             win32_malloc
 830                             win32_calloc
 831                             win32_realloc
 832                             win32_free
 833                             win32_sleep
 834                             win32_times
 835                             win32_access
 836                             win32_alarm
 837                             win32_chmod
 838                             win32_open_osfhandle
 839                             win32_get_osfhandle
 840                             win32_ioctl
 841                             win32_link
 842                             win32_unlink
 843                             win32_utime
 844                             win32_gettimeofday
 845                             win32_uname
 846                             win32_wait
 847                             win32_waitpid
 848                             win32_kill
 849                             win32_str_os_error
 850                             win32_opendir
 851                             win32_readdir
 852                             win32_telldir
 853                             win32_seekdir
 854                             win32_rewinddir
 855                             win32_closedir
 856                             win32_longpath
 857                             win32_ansipath
 858                             win32_os_id
 859                             win32_getpid
 860                             win32_crypt
 861                             win32_dynaload
 862                             win32_clearenv
 863                             win32_stdin
 864                             win32_stdout
 865                             win32_stderr
 866                             win32_ferror
 867                             win32_feof
 868                             win32_strerror
 869                             win32_fprintf
 870                             win32_printf
 871                             win32_vfprintf
 872                             win32_vprintf
 873                             win32_fread
 874                             win32_fwrite
 875                             win32_fopen
 876                             win32_fdopen
 877                             win32_freopen
 878                             win32_fclose
 879                             win32_fputs
 880                             win32_fputc
 881                             win32_ungetc
 882                             win32_getc
 883                             win32_fileno
 884                             win32_clearerr
 885                             win32_fflush
 886                             win32_ftell
 887                             win32_fseek
 888                             win32_fgetpos
 889                             win32_fsetpos
 890                             win32_rewind
 891                             win32_tmpfile
 892                             win32_setbuf
 893                             win32_setvbuf
 894                             win32_flushall
 895                             win32_fcloseall
 896                             win32_fgets
 897                             win32_gets
 898                             win32_fgetc
 899                             win32_putc
 900                             win32_puts
 901                             win32_getchar
 902                             win32_putchar
 903                  ));
 904 }
 905 elsif ($ARGS{PLATFORM} eq 'vms') {
 906     try_symbols(qw(
 907                       Perl_cando
 908                       Perl_cando_by_name
 909                       Perl_closedir
 910                       Perl_csighandler_init
 911                       Perl_do_rmdir
 912                       Perl_fileify_dirspec
 913                       Perl_fileify_dirspec_ts
 914                       Perl_fileify_dirspec_utf8
 915                       Perl_fileify_dirspec_utf8_ts
 916                       Perl_flex_fstat
 917                       Perl_flex_lstat
 918                       Perl_flex_stat
 919                       Perl_kill_file
 920                       Perl_my_chdir
 921                       Perl_my_chmod
 922                       Perl_my_crypt
 923                       Perl_my_endpwent
 924                       Perl_my_fclose
 925                       Perl_my_fdopen
 926                       Perl_my_fgetname
 927                       Perl_my_flush
 928                       Perl_my_fwrite
 929                       Perl_my_gconvert
 930                       Perl_my_getenv
 931                       Perl_my_getenv_len
 932                       Perl_my_getlogin
 933                       Perl_my_getpwnam
 934                       Perl_my_getpwuid
 935                       Perl_my_gmtime
 936                       Perl_my_kill
 937                       Perl_my_localtime
 938                       Perl_my_mkdir
 939                       Perl_my_sigaction
 940                       Perl_my_symlink
 941                       Perl_my_time
 942                       Perl_my_tmpfile
 943                       Perl_my_trnlnm
 944                       Perl_my_utime
 945                       Perl_my_waitpid
 946                       Perl_opendir
 947                       Perl_pathify_dirspec
 948                       Perl_pathify_dirspec_ts
 949                       Perl_pathify_dirspec_utf8
 950                       Perl_pathify_dirspec_utf8_ts
 951                       Perl_readdir
 952                       Perl_readdir_r
 953                       Perl_rename
 954                       Perl_rmscopy
 955                       Perl_rmsexpand
 956                       Perl_rmsexpand_ts
 957                       Perl_rmsexpand_utf8
 958                       Perl_rmsexpand_utf8_ts
 959                       Perl_seekdir
 960                       Perl_sig_to_vmscondition
 961                       Perl_telldir
 962                       Perl_tounixpath
 963                       Perl_tounixpath_ts
 964                       Perl_tounixpath_utf8
 965                       Perl_tounixpath_utf8_ts
 966                       Perl_tounixspec
 967                       Perl_tounixspec_ts
 968                       Perl_tounixspec_utf8
 969                       Perl_tounixspec_utf8_ts
 970                       Perl_tovmspath
 971                       Perl_tovmspath_ts
 972                       Perl_tovmspath_utf8
 973                       Perl_tovmspath_utf8_ts
 974                       Perl_tovmsspec
 975                       Perl_tovmsspec_ts
 976                       Perl_tovmsspec_utf8
 977                       Perl_tovmsspec_utf8_ts
 978                       Perl_trim_unixpath
 979                       Perl_vms_case_tolerant
 980                       Perl_vms_do_aexec
 981                       Perl_vms_do_exec
 982                       Perl_vms_image_init
 983                       Perl_vms_realpath
 984                       Perl_vmssetenv
 985                       Perl_vmssetuserlnm
 986                       Perl_vmstrnenv
 987                       PerlIO_openn
 988                  ));
 989 }
 990 elsif ($ARGS{PLATFORM} eq 'os2') {
 991     try_symbols(qw(
 992                       ctermid
 993                       get_sysinfo
 994                       Perl_OS2_init
 995                       Perl_OS2_init3
 996                       Perl_OS2_term
 997                       OS2_Perl_data
 998                       dlopen
 999                       dlsym
1000                       dlerror
1001                       dlclose
1002                       dup2
1003                       dup
1004                       my_tmpfile
1005                       my_tmpnam
1006                       my_flock
1007                       my_rmdir
1008                       my_mkdir
1009                       my_getpwuid
1010                       my_getpwnam
1011                       my_getpwent
1012                       my_setpwent
1013                       my_endpwent
1014                       fork_with_resources
1015                       croak_with_os2error
1016                       setgrent
1017                       endgrent
1018                       getgrent
1019                       malloc_mutex
1020                       threads_mutex
1021                       nthreads
1022                       nthreads_cond
1023                       os2_cond_wait
1024                       os2_stat
1025                       os2_execname
1026                       async_mssleep
1027                       msCounter
1028                       InfoTable
1029                       pthread_join
1030                       pthread_create
1031                       pthread_detach
1032                       XS_Cwd_change_drive
1033                       XS_Cwd_current_drive
1034                       XS_Cwd_extLibpath
1035                       XS_Cwd_extLibpath_set
1036                       XS_Cwd_sys_abspath
1037                       XS_Cwd_sys_chdir
1038                       XS_Cwd_sys_cwd
1039                       XS_Cwd_sys_is_absolute
1040                       XS_Cwd_sys_is_relative
1041                       XS_Cwd_sys_is_rooted
1042                       XS_DynaLoader_mod2fname
1043                       XS_File__Copy_syscopy
1044                       Perl_Register_MQ
1045                       Perl_Deregister_MQ
1046                       Perl_Serve_Messages
1047                       Perl_Process_Messages
1048                       init_PMWIN_entries
1049                       PMWIN_entries
1050                       Perl_hab_GET
1051                       loadByOrdinal
1052                       pExtFCN
1053                       os2error
1054                       ResetWinError
1055                       CroakWinError
1056                       PL_do_undump
1057                  ));
1058 }
1059 elsif ($ARGS{PLATFORM} eq 'netware') {
1060     try_symbols(qw(
1061                         Perl_init_os_extras
1062                         Perl_thread_create
1063                         Perl_nw5_init
1064                         RunPerl
1065                         AllocStdPerl
1066                         FreeStdPerl
1067                         do_spawn2
1068                         do_aspawn
1069                         nw_uname
1070                         nw_stdin
1071                         nw_stdout
1072                         nw_stderr
1073                         nw_feof
1074                         nw_ferror
1075                         nw_fopen
1076                         nw_fclose
1077                         nw_clearerr
1078                         nw_getc
1079                         nw_fgets
1080                         nw_fputc
1081                         nw_fputs
1082                         nw_fflush
1083                         nw_ungetc
1084                         nw_fileno
1085                         nw_fdopen
1086                         nw_freopen
1087                         nw_fread
1088                         nw_fwrite
1089                         nw_setbuf
1090                         nw_setvbuf
1091                         nw_vfprintf
1092                         nw_ftell
1093                         nw_fseek
1094                         nw_rewind
1095                         nw_tmpfile
1096                         nw_fgetpos
1097                         nw_fsetpos
1098                         nw_dup
1099                         nw_access
1100                         nw_chmod
1101                         nw_chsize
1102                         nw_close
1103                         nw_dup2
1104                         nw_flock
1105                         nw_isatty
1106                         nw_link
1107                         nw_lseek
1108                         nw_stat
1109                         nw_mktemp
1110                         nw_open
1111                         nw_read
1112                         nw_rename
1113                         nw_setmode
1114                         nw_unlink
1115                         nw_utime
1116                         nw_write
1117                         nw_chdir
1118                         nw_rmdir
1119                         nw_closedir
1120                         nw_opendir
1121                         nw_readdir
1122                         nw_rewinddir
1123                         nw_seekdir
1124                         nw_telldir
1125                         nw_htonl
1126                         nw_htons
1127                         nw_ntohl
1128                         nw_ntohs
1129                         nw_accept
1130                         nw_bind
1131                         nw_connect
1132                         nw_endhostent
1133                         nw_endnetent
1134                         nw_endprotoent
1135                         nw_endservent
1136                         nw_gethostbyaddr
1137                         nw_gethostbyname
1138                         nw_gethostent
1139                         nw_gethostname
1140                         nw_getnetbyaddr
1141                         nw_getnetbyname
1142                         nw_getnetent
1143                         nw_getpeername
1144                         nw_getprotobyname
1145                         nw_getprotobynumber
1146                         nw_getprotoent
1147                         nw_getservbyname
1148                         nw_getservbyport
1149                         nw_getservent
1150                         nw_getsockname
1151                         nw_getsockopt
1152                         nw_inet_addr
1153                         nw_listen
1154                         nw_socket
1155                         nw_recv
1156                         nw_recvfrom
1157                         nw_select
1158                         nw_send
1159                         nw_sendto
1160                         nw_sethostent
1161                         nw_setnetent
1162                         nw_setprotoent
1163                         nw_setservent
1164                         nw_setsockopt
1165                         nw_inet_ntoa
1166                         nw_shutdown
1167                         nw_crypt
1168                         nw_execvp
1169                         nw_kill
1170                         nw_Popen
1171                         nw_Pclose
1172                         nw_Pipe
1173                         nw_times
1174                         nw_waitpid
1175                         nw_getpid
1176                         nw_spawnvp
1177                         nw_os_id
1178                         nw_open_osfhandle
1179                         nw_get_osfhandle
1180                         nw_abort
1181                         nw_sleep
1182                         nw_wait
1183                         nw_dynaload
1184                         nw_strerror
1185                         fnFpSetMode
1186                         fnInsertHashListAddrs
1187                         fnGetHashListAddrs
1188                         Perl_deb
1189                         Perl_sv_setsv
1190                         Perl_sv_catsv
1191                         Perl_sv_catpvn
1192                         Perl_sv_2pv
1193                         nw_freeenviron
1194                         Remove_Thread_Ctx
1195                  ));
1196 }
1197
1198 # When added this code was only run for Win32 and WinCE
1199 # Currently only Win32 links static extensions into the shared library.
1200 # The WinCE makefile doesn't appear to support static extensions, so this code
1201 # can't have any effect there.
1202 # The NetWare Makefile doesn't support static extensions (and hardcodes the
1203 # list of dynamic extensions, and the rules to build them)
1204 # For *nix (and presumably OS/2) with a shared libperl, Makefile.SH compiles
1205 # static extensions with -fPIC, but links them to perl, not libperl.so
1206 # The VMS build scripts don't yet implement static extensions at all.
1207
1208 if ($ARGS{PLATFORM} =~ /^win(?:32|ce)$/) {
1209     # records of type boot_module for statically linked modules (except Dynaloader)
1210     my $static_ext = $Config{static_ext} // "";
1211     $static_ext =~ s/\//__/g;
1212     $static_ext =~ s/\bDynaLoader\b//;
1213     try_symbols(map {"boot_$_"} grep {/\S/} split /\s+/, $static_ext);
1214     try_symbols("init_Win32CORE") if $static_ext =~ /\bWin32CORE\b/;
1215 }
1216
1217 if ($ARGS{PLATFORM} eq 'os2') {
1218     my (%mapped, @missing);
1219     open MAP, 'miniperl.map' or die 'Cannot read miniperl.map';
1220     /^\s*[\da-f:]+\s+(\w+)/i and $mapped{$1}++ foreach <MAP>;
1221     close MAP or die 'Cannot close miniperl.map';
1222
1223     @missing = grep { !exists $mapped{$_} }
1224                     keys %export;
1225     @missing = grep { !exists $exportperlmalloc{$_} } @missing;
1226     delete $export{$_} foreach @missing;
1227 }
1228
1229 ###############################################################################
1230
1231 # Now all symbols should be defined because next we are going to output them.
1232
1233 # Start with platform specific headers:
1234
1235 if ($ARGS{PLATFORM} =~ /^win(?:32|ce)$/) {
1236     my $dll = $define{PERL_DLL} ? $define{PERL_DLL} =~ s/\.dll$//ir
1237         : "perl$Config{api_revision}$Config{api_version}";
1238     print "LIBRARY $dll\n";
1239     # The DESCRIPTION module definition file statement is not supported
1240     # by VC7 onwards.
1241     if ($ARGS{CCTYPE} =~ /^(?:MSVC60|GCC)$/) {
1242         print "DESCRIPTION 'Perl interpreter'\n";
1243     }
1244     print "EXPORTS\n";
1245 }
1246 elsif ($ARGS{PLATFORM} eq 'os2') {
1247     (my $v = $]) =~ s/(\d\.\d\d\d)(\d\d)$/$1_$2/;
1248     $v .= '-thread' if $Config{archname} =~ /-thread/;
1249     (my $dll = $define{PERL_DLL}) =~ s/\.dll$//i;
1250     $v .= "\@$Config{perl_patchlevel}" if $Config{perl_patchlevel};
1251     my $d = "DESCRIPTION '\@#perl5-porters\@perl.org:$v#\@ Perl interpreter, configured as $Config{config_args}'";
1252     $d = substr($d, 0, 249) . "...'" if length $d > 253;
1253     print <<"---EOP---";
1254 LIBRARY '$dll' INITINSTANCE TERMINSTANCE
1255 $d
1256 STACKSIZE 32768
1257 CODE LOADONCALL
1258 DATA LOADONCALL NONSHARED MULTIPLE
1259 EXPORTS
1260 ---EOP---
1261 }
1262 elsif ($ARGS{PLATFORM} eq 'aix') {
1263     my $OSVER = `uname -v`;
1264     chop $OSVER;
1265     my $OSREL = `uname -r`;
1266     chop $OSREL;
1267     if ($OSVER > 4 || ($OSVER == 4 && $OSREL >= 3)) {
1268         print "#! ..\n";
1269     } else {
1270         print "#!\n";
1271     }
1272 }
1273 elsif ($ARGS{PLATFORM} eq 'netware') {
1274         if ($ARGS{FILETYPE} eq 'def') {
1275         print "LIBRARY perl$Config{api_revision}$Config{api_version}\n";
1276         print "DESCRIPTION 'Perl interpreter for NetWare'\n";
1277         print "EXPORTS\n";
1278         }
1279 }
1280
1281 # Then the symbols
1282
1283 my @symbols = $fold ? sort {lc $a cmp lc $b} keys %export : sort keys %export;
1284 foreach my $symbol (@symbols) {
1285     if ($ARGS{PLATFORM} =~ /^win(?:32|ce)$/) {
1286         print "\t$symbol\n";
1287     }
1288     elsif ($ARGS{PLATFORM} eq 'os2') {
1289         printf qq(    %-31s \@%s\n),
1290           qq("$symbol"), $ordinal{$symbol} || ++$sym_ord;
1291         printf qq(    %-31s \@%s\n),
1292           qq("$exportperlmalloc{$symbol}" = "$symbol"),
1293           $ordinal{$exportperlmalloc{$symbol}} || ++$sym_ord
1294           if $exportperlmalloc and exists $exportperlmalloc{$symbol};
1295     }
1296     elsif ($ARGS{PLATFORM} eq 'netware') {
1297         print "\t$symbol,\n";
1298     } else {
1299         print "$symbol\n";
1300     }
1301 }
1302
1303 # Then platform specific footers.
1304
1305 if ($ARGS{PLATFORM} eq 'os2') {
1306     print <<EOP;
1307     dll_perlmain=main
1308     fill_extLibpath
1309     dir_subst
1310     Perl_OS2_handler_install
1311
1312 ; LAST_ORDINAL=$sym_ord
1313 EOP
1314 }
1315
1316 1;