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 my $fold;
  36 my %ARGS;
  37 my %define;
  38
  39 BEGIN {
  40     BEGIN { unshift @INC, "lib" }
  41     use Config;
  42     use strict;
  43
  44     %ARGS = (CCTYPE => 'MSVC', TARG_DIR => '');
  45
  46     sub process_cc_flags {
  47         foreach (map {split /\s+/, $_} @_) {
  48             $define{$1} = $2 // 1 if /^-D(\w+)(?:=(.+))?/;
  49         }
  50     }
  51
  52     while (@ARGV) {
  53         my $flag = shift;
  54         if ($flag =~ /^(?:CC_FLAGS=)?(-D\w.*)/) {
  55             process_cc_flags($1);
  56         } elsif ($flag =~ /^(CCTYPE|FILETYPE|PLATFORM|TARG_DIR)=(.+)$/) {
  57             $ARGS{$1} = $2;
  58         } elsif ($flag eq '--sort-fold') {
  59             ++$fold;
  60         }
  61     }
  62     my @PLATFORM = qw(aix win32 wince os2 netware vms test);
  63     my %PLATFORM;
  64     @PLATFORM{@PLATFORM} = ();
  65
  66     die "PLATFORM undefined, must be one of: @PLATFORM\n"
  67         unless defined $ARGS{PLATFORM};
  68     die "PLATFORM must be one of: @PLATFORM\n"
  69         unless exists $PLATFORM{$ARGS{PLATFORM}};
  70 }
  71 use constant PLATFORM => $ARGS{PLATFORM};
  72
  73 require "./$ARGS{TARG_DIR}regen/embed_lib.pl";
  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{$1} = 1 if /^\s*\#\s*define\s+(MYMALLOC|MULTIPLICITY
 111                                            |KILL_BY_SIGPRC
 112                                            |(?:PERL|USE|HAS)_\w+)\b/x;
 113 }
 114 close(CFG);
 115
 116 # perl.h logic duplication begins
 117
 118 if ($define{USE_ITHREADS}) {
 119     if (!$define{MULTIPLICITY}) {
 120         $define{MULTIPLICITY} = 1;
 121     }
 122 }
 123
 124 $define{PERL_IMPLICIT_CONTEXT} ||=
 125     $define{USE_ITHREADS} ||
 126     $define{MULTIPLICITY} ;
 127
 128 if ($define{USE_ITHREADS} && $ARGS{PLATFORM} ne 'win32' && $^O ne 'darwin') {
 129     $define{USE_REENTRANT_API} = 1;
 130 }
 131
 132 # perl.h logic duplication ends
 133
 134 print STDERR "Defines: (" . join(' ', sort keys %define) . ")\n"
 135      unless $ARGS{PLATFORM} eq 'test';
 136
 137 my $sym_ord = 0;
 138 my %ordinal;
 139
 140 if ($ARGS{PLATFORM} eq 'os2') {
 141     if (open my $fh, '<', 'perl5.def') {
 142       while (<$fh>) {
 143         last if /^\s*EXPORTS\b/;
 144       }
 145       while (<$fh>) {
 146         $ordinal{$1} = $2 if /^\s*"(\w+)"\s*(?:=\s*"\w+"\s*)?\@(\d+)\s*$/;
 147         # This allows skipping ordinals which were used in older versions
 148         $sym_ord = $1 if /^\s*;\s*LAST_ORDINAL\s*=\s*(\d+)\s*$/;
 149       }
 150       $sym_ord < $_ and $sym_ord = $_ for values %ordinal; # Take the max
 151     }
 152 }
 153
 154 my %skip;
 155 # All platforms export boot_DynaLoader unconditionally.
 156 my %export = ( boot_DynaLoader => 1 );
 157
 158 sub try_symbols {
 159     foreach my $symbol (@_) {
 160         ++$export{$symbol} unless exists $skip{$symbol};
 161     }
 162 }
 163
 164 sub readvar {
 165     # $hash is the hash that we're adding to. For one of our callers, it will
 166     # actually be the skip hash but that doesn't affect the intent of what
 167     # we're doing, as in that case we skip adding something to the skip hash
 168     # for the second time.
 169
 170     my $file = $ARGS{TARG_DIR} . shift;
 171     my $hash = shift;
 172     my $proc = shift;
 173     open my $vars, '<', $file or die die "Cannot open $file: $!\n";
 174
 175     while (<$vars>) {
 176         # All symbols have a Perl_ prefix because that's what embed.h sticks
 177         # in front of them.  The A?I?S?C? is strictly speaking wrong.
 178         next unless /\bPERLVAR(A?I?S?C?)\(([IGT]),\s*(\w+)/;
 179
 180         my $var = "PL_$3";
 181         my $symbol = $proc ? &$proc($1,$2,$3) : $var;
 182         ++$hash->{$symbol} unless exists $skip{$var};
 183     }
 184 }
 185
 186 if ($ARGS{PLATFORM} ne 'os2') {
 187     ++$skip{$_} foreach qw(
 188                      PL_cryptseen
 189                      PL_opsave
 190                      Perl_GetVars
 191                      Perl_dump_fds
 192                      Perl_my_bcopy
 193                      Perl_my_bzero
 194                      Perl_my_chsize
 195                      Perl_my_htonl
 196                      Perl_my_memcmp
 197                      Perl_my_memset
 198                      Perl_my_ntohl
 199                      Perl_my_swap
 200                          );
 201     if ($ARGS{PLATFORM} eq 'vms') {
 202         ++$skip{PL_statusvalue_posix};
 203         # This is a wrapper if we have symlink, not a replacement
 204         # if we don't.
 205         ++$skip{Perl_my_symlink} unless $Config{d_symlink};
 206     } else {
 207         ++$skip{PL_statusvalue_vms};
 208         ++$skip{PL_perllib_sep};
 209         if ($ARGS{PLATFORM} ne 'aix') {
 210             ++$skip{$_} foreach qw(
 211                                 PL_DBcv
 212                                 PL_generation
 213                                 PL_lastgotoprobe
 214                                 PL_modcount
 215                                 main
 216                                  );
 217         }
 218     }
 219 }
 220
 221 if ($ARGS{PLATFORM} ne 'vms') {
 222     # VMS does its own thing for these symbols.
 223     ++$skip{$_} foreach qw(
 224                         PL_sig_handlers_initted
 225                         PL_sig_ignoring
 226                         PL_sig_defaulting
 227                          );
 228     if ($ARGS{PLATFORM} ne 'win32') {
 229         ++$skip{$_} foreach qw(
 230                             Perl_do_spawn
 231                             Perl_do_spawn_nowait
 232                             Perl_do_aspawn
 233                              );
 234     }
 235 }
 236
 237 if ($ARGS{PLATFORM} ne 'win32') {
 238     ++$skip{$_} foreach qw(
 239                     Perl_my_setlocale
 240                          );
 241 }
 242
 243 unless ($define{UNLINK_ALL_VERSIONS}) {
 244     ++$skip{Perl_unlnk};
 245 }
 246
 247 unless ($define{'DEBUGGING'}) {
 248     ++$skip{$_} foreach qw(
 249                     Perl_debop
 250                     Perl_debprofdump
 251                     Perl_debstack
 252                     Perl_debstackptrs
 253                     Perl_pad_sv
 254                     Perl_pad_setsv
 255                     Perl__setlocale_debug_string
 256                     Perl_set_padlist
 257                     Perl_hv_assert
 258                     PL_watchaddr
 259                     PL_watchok
 260                     PL_watch_pvx
 261                          );
 262 }
 263
 264 if ($define{'PERL_IMPLICIT_SYS'}) {
 265     ++$skip{$_} foreach qw(
 266                     Perl_my_popen
 267                     Perl_my_pclose
 268                          );
 269     ++$export{$_} foreach qw(perl_get_host_info perl_alloc_override);
 270     ++$export{perl_clone_host} if $define{USE_ITHREADS};
 271 }
 272 else {
 273     ++$skip{$_} foreach qw(
 274                     PL_Mem
 275                     PL_MemShared
 276                     PL_MemParse
 277                     PL_Env
 278                     PL_StdIO
 279                     PL_LIO
 280                     PL_Dir
 281                     PL_Sock
 282                     PL_Proc
 283                     perl_alloc_using
 284                     perl_clone_using
 285                          );
 286 }
 287
 288 if (!$define{'PERL_COPY_ON_WRITE'} || $define{'PERL_NO_COW'}) {
 289     ++$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_keyword_plugin_mutex
 362                     PL_check_mutex
 363                     PL_op_mutex
 364                     PL_regex_pad
 365                     PL_regex_padav
 366                     PL_dollarzero_mutex
 367                     PL_hints_mutex
 368                     PL_locale_mutex
 369                     PL_my_ctx_mutex
 370                     PL_perlio_mutex
 371                     PL_stashpad
 372                     PL_stashpadix
 373                     PL_stashpadmax
 374                     Perl_alloccopstash
 375                     Perl_allocfilegv
 376                     Perl_clone_params_del
 377                     Perl_clone_params_new
 378                     Perl_parser_dup
 379                     Perl_dirp_dup
 380                     Perl_cx_dup
 381                     Perl_si_dup
 382                     Perl_any_dup
 383                     Perl_ss_dup
 384                     Perl_fp_dup
 385                     Perl_gp_dup
 386                     Perl_he_dup
 387                     Perl_mg_dup
 388                     Perl_re_dup_guts
 389                     Perl_sv_dup
 390                     Perl_sv_dup_inc
 391                     Perl_rvpv_dup
 392                     Perl_hek_dup
 393                     Perl_sys_intern_dup
 394                     perl_clone
 395                     perl_clone_using
 396                     Perl_stashpv_hvname_match
 397                     Perl_regdupe_internal
 398                     Perl_newPADOP
 399                          );
 400 }
 401
 402 unless ( $define{'HAS_NEWLOCALE'}
 403     &&   $define{'HAS_FREELOCALE'}
 404     &&   $define{'HAS_USELOCALE'}
 405     && ! $define{'NO_POSIX_2008_LOCALE'})
 406 {
 407     ++$skip{$_} foreach qw(
 408         PL_C_locale_obj
 409         PL_underlying_numeric_obj
 410     );
 411 }
 412
 413 unless ($define{'PERL_IMPLICIT_CONTEXT'}) {
 414     ++$skip{$_} foreach qw(
 415                     PL_my_cxt_index
 416                     PL_my_cxt_list
 417                     PL_my_cxt_size
 418                     PL_my_cxt_keys
 419                     Perl_croak_nocontext
 420                     Perl_die_nocontext
 421                     Perl_deb_nocontext
 422                     Perl_form_nocontext
 423                     Perl_load_module_nocontext
 424                     Perl_mess_nocontext
 425                     Perl_warn_nocontext
 426                     Perl_warner_nocontext
 427                     Perl_newSVpvf_nocontext
 428                     Perl_sv_catpvf_nocontext
 429                     Perl_sv_setpvf_nocontext
 430                     Perl_sv_catpvf_mg_nocontext
 431                     Perl_sv_setpvf_mg_nocontext
 432                     Perl_my_cxt_init
 433                     Perl_my_cxt_index
 434                          );
 435 }
 436
 437 unless ($define{'PERL_OP_PARENT'}) {
 438     ++$skip{$_} foreach qw(
 439                     Perl_op_parent
 440                 );
 441 }
 442
 443 unless ($define{'USE_DTRACE'}) {
 444     ++$skip{$_} foreach qw(
 445                     Perl_dtrace_probe_call
 446                     Perl_dtrace_probe_load
 447                     Perl_dtrace_probe_op
 448                     Perl_dtrace_probe_phase
 449                 );
 450 }
 451
 452 unless ($define{'PERL_NEED_APPCTX'}) {
 453     ++$skip{PL_appctx};
 454 }
 455
 456 unless ($define{'PERL_NEED_TIMESBASE'}) {
 457     ++$skip{PL_timesbase};
 458 }
 459
 460 unless ($define{'DEBUG_LEAKING_SCALARS'}) {
 461     ++$skip{PL_sv_serial};
 462 }
 463
 464 unless ($define{'DEBUG_LEAKING_SCALARS_FORK_DUMP'}) {
 465     ++$skip{PL_dumper_fd};
 466 }
 467
 468 unless ($define{'PERL_DONT_CREATE_GVSV'}) {
 469     ++$skip{Perl_gv_SVadd};
 470 }
 471
 472 unless ($define{'PERL_USES_PL_PIDSTATUS'}) {
 473     ++$skip{PL_pidstatus};
 474 }
 475
 476 unless ($define{'PERL_TRACK_MEMPOOL'}) {
 477     ++$skip{PL_memory_debug_header};
 478 }
 479
 480 unless ($define{'MULTIPLICITY'}) {
 481     ++$skip{$_} foreach qw(
 482                     PL_interp_size
 483                     PL_interp_size_5_18_0
 484                     PL_sv_yes
 485                     PL_sv_undef
 486                     PL_sv_no
 487                     PL_sv_zero
 488                          );
 489 }
 490
 491 unless ($define{'PERL_GLOBAL_STRUCT'}) {
 492     ++$skip{PL_global_struct_size};
 493 }
 494
 495 unless ($define{'PERL_GLOBAL_STRUCT_PRIVATE'}) {
 496     ++$skip{$_} foreach qw(
 497                     PL_my_cxt_keys
 498                     Perl_my_cxt_index
 499                          );
 500 }
 501
 502 unless ($define{HAS_MMAP}) {
 503     ++$skip{PL_mmap_page_size};
 504 }
 505
 506 if ($define{HAS_SIGACTION}) {
 507     ++$skip{PL_sig_trapped};
 508
 509     if ($ARGS{PLATFORM} eq 'vms') {
 510         # FAKE_PERSISTENT_SIGNAL_HANDLERS defined as !defined(HAS_SIGACTION)
 511         ++$skip{PL_sig_ignoring};
 512         ++$skip{PL_sig_handlers_initted} unless $define{KILL_BY_SIGPRC};
 513     }
 514 }
 515
 516 if ($ARGS{PLATFORM} eq 'vms' && !$define{KILL_BY_SIGPRC}) {
 517     # FAKE_DEFAULT_SIGNAL_HANDLERS defined as KILL_BY_SIGPRC
 518     ++$skip{Perl_csighandler_init};
 519     ++$skip{Perl_my_kill};
 520     ++$skip{Perl_sig_to_vmscondition};
 521     ++$skip{PL_sig_defaulting};
 522     ++$skip{PL_sig_handlers_initted} unless !$define{HAS_SIGACTION};
 523 }
 524
 525 if ($define{'HAS_STRNLEN'})
 526 {
 527     ++$skip{Perl_my_strnlen};
 528 }
 529
 530 unless ($define{USE_LOCALE_COLLATE}) {
 531     ++$skip{$_} foreach qw(
 532                     PL_collation_ix
 533                     PL_collation_name
 534                     PL_collation_standard
 535                     PL_collxfrm_base
 536                     PL_collxfrm_mult
 537                     Perl_sv_collxfrm
 538                     Perl_sv_collxfrm_flags
 539                          );
 540 }
 541
 542 unless ($define{USE_LOCALE_NUMERIC}) {
 543     ++$skip{$_} foreach qw(
 544                     PL_numeric_local
 545                     PL_numeric_name
 546                     PL_numeric_radix_sv
 547                     PL_numeric_standard
 548                          );
 549 }
 550
 551 unless ($define{'USE_C_BACKTRACE'}) {
 552     ++$skip{Perl_get_c_backtrace_dump};
 553     ++$skip{Perl_dump_c_backtrace};
 554 }
 555
 556 unless ($define{HAVE_INTERP_INTERN}) {
 557     ++$skip{$_} foreach qw(
 558                     Perl_sys_intern_clear
 559                     Perl_sys_intern_dup
 560                     Perl_sys_intern_init
 561                     PL_sys_intern
 562                          );
 563 }
 564
 565 if ($define{HAS_SIGNBIT}) {
 566     ++$skip{Perl_signbit};
 567 }
 568
 569 if ($define{'PERL_GLOBAL_STRUCT'}) {
 570     readvar('perlvars.h', \%skip);
 571     # This seems like the least ugly way to cope with the fact that PL_sh_path
 572     # is mentioned in perlvar.h and globvar.sym, and always exported.
 573     delete $skip{PL_sh_path};
 574     ++$export{Perl_GetVars};
 575     try_symbols(qw(PL_Vars PL_VarsPtr))
 576       unless $ARGS{CCTYPE} eq 'GCC' || $define{PERL_GLOBAL_STRUCT_PRIVATE};
 577 } else {
 578     ++$skip{$_} foreach qw(Perl_init_global_struct Perl_free_global_struct);
 579 }
 580
 581 ++$skip{PL_op_exec_cnt}
 582     unless $define{PERL_TRACE_OPS};
 583
 584 ++$skip{PL_hash_chars}
 585     unless $define{PERL_USE_SINGLE_CHAR_HASH_CACHE};
 586
 587 # functions from *.sym files
 588
 589 my @syms = qw(globvar.sym);
 590
 591 # Symbols that are the public face of the PerlIO layers implementation
 592 # These are in _addition to_ the public face of the abstraction
 593 # and need to be exported to allow XS modules to implement layers
 594 my @layer_syms = qw(
 595                     PerlIOBase_binmode
 596                     PerlIOBase_clearerr
 597                     PerlIOBase_close
 598                     PerlIOBase_dup
 599                     PerlIOBase_eof
 600                     PerlIOBase_error
 601                     PerlIOBase_fileno
 602                     PerlIOBase_open
 603                     PerlIOBase_noop_fail
 604                     PerlIOBase_noop_ok
 605                     PerlIOBase_popped
 606                     PerlIOBase_pushed
 607                     PerlIOBase_read
 608                     PerlIOBase_setlinebuf
 609                     PerlIOBase_unread
 610                     PerlIOBuf_bufsiz
 611                     PerlIOBuf_close
 612                     PerlIOBuf_dup
 613                     PerlIOBuf_fill
 614                     PerlIOBuf_flush
 615                     PerlIOBuf_get_base
 616                     PerlIOBuf_get_cnt
 617                     PerlIOBuf_get_ptr
 618                     PerlIOBuf_open
 619                     PerlIOBuf_popped
 620                     PerlIOBuf_pushed
 621                     PerlIOBuf_read
 622                     PerlIOBuf_seek
 623                     PerlIOBuf_set_ptrcnt
 624                     PerlIOBuf_tell
 625                     PerlIOBuf_unread
 626                     PerlIOBuf_write
 627                     PerlIO_allocate
 628                     PerlIO_apply_layera
 629                     PerlIO_apply_layers
 630                     PerlIO_arg_fetch
 631                     PerlIO_debug
 632                     PerlIO_define_layer
 633                     PerlIO_find_layer
 634                     PerlIO_isutf8
 635                     PerlIO_layer_fetch
 636                     PerlIO_list_alloc
 637                     PerlIO_list_free
 638                     PerlIO_modestr
 639                     PerlIO_parse_layers
 640                     PerlIO_pending
 641                     PerlIO_perlio
 642                     PerlIO_pop
 643                     PerlIO_push
 644                     PerlIO_sv_dup
 645                     Perl_PerlIO_clearerr
 646                     Perl_PerlIO_close
 647                     Perl_PerlIO_context_layers
 648                     Perl_PerlIO_eof
 649                     Perl_PerlIO_error
 650                     Perl_PerlIO_fileno
 651                     Perl_PerlIO_fill
 652                     Perl_PerlIO_flush
 653                     Perl_PerlIO_get_base
 654                     Perl_PerlIO_get_bufsiz
 655                     Perl_PerlIO_get_cnt
 656                     Perl_PerlIO_get_ptr
 657                     Perl_PerlIO_read
 658                     Perl_PerlIO_restore_errno
 659                     Perl_PerlIO_save_errno
 660                     Perl_PerlIO_seek
 661                     Perl_PerlIO_set_cnt
 662                     Perl_PerlIO_set_ptrcnt
 663                     Perl_PerlIO_setlinebuf
 664                     Perl_PerlIO_stderr
 665                     Perl_PerlIO_stdin
 666                     Perl_PerlIO_stdout
 667                     Perl_PerlIO_tell
 668                     Perl_PerlIO_unread
 669                     Perl_PerlIO_write
 670 );
 671 if ($ARGS{PLATFORM} eq 'netware') {
 672     push(@layer_syms,'PL_def_layerlist','PL_known_layers','PL_perlio');
 673 }
 674
 675 # Export the symbols that make up the PerlIO abstraction, regardless
 676 # of its implementation - read from a file
 677 push @syms, 'perlio.sym';
 678
 679 # PerlIO with layers - export implementation
 680 try_symbols(@layer_syms, 'perlsio_binmode');
 681
 682
 683 unless ($define{'USE_QUADMATH'}) {
 684   ++$skip{Perl_quadmath_format_needed};
 685   ++$skip{Perl_quadmath_format_single};
 686 }
 687
 688 ###############################################################################
 689
 690 # At this point all skip lists should be completed, as we are about to test
 691 # many symbols against them.
 692
 693 {
 694     my %seen;
 695     my ($embed) = setup_embed($ARGS{TARG_DIR});
 696
 697     foreach (@$embed) {
 698         my ($flags, $retval, $func, @args) = @$_;
 699         next unless $func;
 700         if (   ($flags =~ /[AX]/ && $flags !~ /[xmi]/)
 701             || ($flags =~ /b/ && ! $define{'NO_MATHOMS'}))
 702         {
 703             # public API, so export
 704
 705             # If a function is defined twice, for example before and after
 706             # an #else, only export its name once. Important to do this test
 707             # within the block, as the *first* definition may have flags which
 708             # mean "don't export"
 709             next if $seen{$func}++;
 710             # Should we also skip adding the Perl_ prefix if $flags =~ /o/ ?
 711             $func = "Perl_$func" if ($flags =~ /[pX]/ && $func !~ /^Perl_/);
 712             ++$export{$func} unless exists $skip{$func};
 713         }
 714     }
 715 }
 716
 717 foreach (@syms) {
 718     my $syms = $ARGS{TARG_DIR} . $_;
 719     open my $global, '<', $syms or die "failed to open $syms: $!\n";
 720     while (<$global>) {
 721         next unless /^([A-Za-z].*)/;
 722         my $symbol = "$1";
 723         ++$export{$symbol} unless exists $skip{$symbol};
 724     }
 725 }
 726
 727 # variables
 728
 729 if ($define{'MULTIPLICITY'} && $define{PERL_GLOBAL_STRUCT}) {
 730     readvar('perlvars.h', \%export, sub { "Perl_" . $_[1] . $_[2] . "_ptr" });
 731     # XXX AIX seems to want the perlvars.h symbols, for some reason
 732     if ($ARGS{PLATFORM} eq 'aix' or $ARGS{PLATFORM} eq 'os2') { # OS/2 needs PL_thr_key
 733         readvar('perlvars.h', \%export);
 734     }
 735 }
 736 else {
 737     unless ($define{'PERL_GLOBAL_STRUCT'}) {
 738         readvar('perlvars.h', \%export);
 739     }
 740     unless ($define{MULTIPLICITY}) {
 741         readvar('intrpvar.h', \%export);
 742     }
 743 }
 744
 745 # Oddities from PerlIO
 746 # All have alternate implementations in perlio.c, so always exist.
 747 # Should they be considered to be part of the API?
 748 try_symbols(qw(
 749                     PerlIO_binmode
 750                     PerlIO_getpos
 751                     PerlIO_init
 752                     PerlIO_setpos
 753                     PerlIO_tmpfile
 754              ));
 755
 756 if ($ARGS{PLATFORM} eq 'win32') {
 757     try_symbols(qw(
 758                                  win32_free_childdir
 759                                  win32_free_childenv
 760                                  win32_get_childdir
 761                                  win32_get_childenv
 762                                  win32_spawnvp
 763                  ));
 764 }
 765
 766 if ($ARGS{PLATFORM} eq 'wince') {
 767     ++$skip{'win32_isatty'}; # commit 4342f4d6df is win32-only
 768 }
 769
 770 if ($ARGS{PLATFORM} =~ /^win(?:32|ce)$/) {
 771     try_symbols(qw(
 772                             Perl_init_os_extras
 773                             Perl_thread_create
 774                             Perl_win32_init
 775                             Perl_win32_term
 776                             RunPerl
 777                             win32_async_check
 778                             win32_errno
 779                             win32_environ
 780                             win32_abort
 781                             win32_fstat
 782                             win32_stat
 783                             win32_pipe
 784                             win32_popen
 785                             win32_pclose
 786                             win32_rename
 787                             win32_setmode
 788                             win32_chsize
 789                             win32_lseek
 790                             win32_tell
 791                             win32_dup
 792                             win32_dup2
 793                             win32_open
 794                             win32_close
 795                             win32_eof
 796                             win32_isatty
 797                             win32_read
 798                             win32_write
 799                             win32_mkdir
 800                             win32_rmdir
 801                             win32_chdir
 802                             win32_flock
 803                             win32_execv
 804                             win32_execvp
 805                             win32_htons
 806                             win32_ntohs
 807                             win32_htonl
 808                             win32_ntohl
 809                             win32_inet_addr
 810                             win32_inet_ntoa
 811                             win32_socket
 812                             win32_bind
 813                             win32_listen
 814                             win32_accept
 815                             win32_connect
 816                             win32_send
 817                             win32_sendto
 818                             win32_recv
 819                             win32_recvfrom
 820                             win32_shutdown
 821                             win32_closesocket
 822                             win32_ioctlsocket
 823                             win32_setsockopt
 824                             win32_getsockopt
 825                             win32_getpeername
 826                             win32_getsockname
 827                             win32_gethostname
 828                             win32_gethostbyname
 829                             win32_gethostbyaddr
 830                             win32_getprotobyname
 831                             win32_getprotobynumber
 832                             win32_getservbyname
 833                             win32_getservbyport
 834                             win32_select
 835                             win32_endhostent
 836                             win32_endnetent
 837                             win32_endprotoent
 838                             win32_endservent
 839                             win32_getnetent
 840                             win32_getnetbyname
 841                             win32_getnetbyaddr
 842                             win32_getprotoent
 843                             win32_getservent
 844                             win32_sethostent
 845                             win32_setnetent
 846                             win32_setprotoent
 847                             win32_setservent
 848                             win32_getenv
 849                             win32_putenv
 850                             win32_perror
 851                             win32_malloc
 852                             win32_calloc
 853                             win32_realloc
 854                             win32_free
 855                             win32_sleep
 856                             win32_times
 857                             win32_access
 858                             win32_alarm
 859                             win32_chmod
 860                             win32_open_osfhandle
 861                             win32_get_osfhandle
 862                             win32_ioctl
 863                             win32_link
 864                             win32_unlink
 865                             win32_utime
 866                             win32_gettimeofday
 867                             win32_uname
 868                             win32_wait
 869                             win32_waitpid
 870                             win32_kill
 871                             win32_str_os_error
 872                             win32_opendir
 873                             win32_readdir
 874                             win32_telldir
 875                             win32_seekdir
 876                             win32_rewinddir
 877                             win32_closedir
 878                             win32_longpath
 879                             win32_ansipath
 880                             win32_os_id
 881                             win32_getpid
 882                             win32_crypt
 883                             win32_dynaload
 884                             win32_clearenv
 885                             win32_stdin
 886                             win32_stdout
 887                             win32_stderr
 888                             win32_ferror
 889                             win32_feof
 890                             win32_strerror
 891                             win32_fprintf
 892                             win32_printf
 893                             win32_vfprintf
 894                             win32_vprintf
 895                             win32_fread
 896                             win32_fwrite
 897                             win32_fopen
 898                             win32_fdopen
 899                             win32_freopen
 900                             win32_fclose
 901                             win32_fputs
 902                             win32_fputc
 903                             win32_ungetc
 904                             win32_getc
 905                             win32_fileno
 906                             win32_clearerr
 907                             win32_fflush
 908                             win32_ftell
 909                             win32_fseek
 910                             win32_fgetpos
 911                             win32_fsetpos
 912                             win32_rewind
 913                             win32_tmpfile
 914                             win32_setbuf
 915                             win32_setvbuf
 916                             win32_flushall
 917                             win32_fcloseall
 918                             win32_fgets
 919                             win32_gets
 920                             win32_fgetc
 921                             win32_putc
 922                             win32_puts
 923                             win32_getchar
 924                             win32_putchar
 925                  ));
 926 }
 927 elsif ($ARGS{PLATFORM} eq 'vms') {
 928     try_symbols(qw(
 929                       Perl_cando
 930                       Perl_cando_by_name
 931                       Perl_closedir
 932                       Perl_csighandler_init
 933                       Perl_do_rmdir
 934                       Perl_fileify_dirspec
 935                       Perl_fileify_dirspec_ts
 936                       Perl_fileify_dirspec_utf8
 937                       Perl_fileify_dirspec_utf8_ts
 938                       Perl_flex_fstat
 939                       Perl_flex_lstat
 940                       Perl_flex_stat
 941                       Perl_kill_file
 942                       Perl_my_chdir
 943                       Perl_my_chmod
 944                       Perl_my_crypt
 945                       Perl_my_endpwent
 946                       Perl_my_fclose
 947                       Perl_my_fdopen
 948                       Perl_my_fgetname
 949                       Perl_my_flush
 950                       Perl_my_fwrite
 951                       Perl_my_gconvert
 952                       Perl_my_getenv
 953                       Perl_my_getenv_len
 954                       Perl_my_getpwnam
 955                       Perl_my_getpwuid
 956                       Perl_my_gmtime
 957                       Perl_my_kill
 958                       Perl_my_killpg
 959                       Perl_my_localtime
 960                       Perl_my_mkdir
 961                       Perl_my_sigaction
 962                       Perl_my_symlink
 963                       Perl_my_time
 964                       Perl_my_tmpfile
 965                       Perl_my_trnlnm
 966                       Perl_my_utime
 967                       Perl_my_waitpid
 968                       Perl_opendir
 969                       Perl_pathify_dirspec
 970                       Perl_pathify_dirspec_ts
 971                       Perl_pathify_dirspec_utf8
 972                       Perl_pathify_dirspec_utf8_ts
 973                       Perl_readdir
 974                       Perl_readdir_r
 975                       Perl_rename
 976                       Perl_rmscopy
 977                       Perl_rmsexpand
 978                       Perl_rmsexpand_ts
 979                       Perl_rmsexpand_utf8
 980                       Perl_rmsexpand_utf8_ts
 981                       Perl_seekdir
 982                       Perl_sig_to_vmscondition
 983                       Perl_telldir
 984                       Perl_tounixpath
 985                       Perl_tounixpath_ts
 986                       Perl_tounixpath_utf8
 987                       Perl_tounixpath_utf8_ts
 988                       Perl_tounixspec
 989                       Perl_tounixspec_ts
 990                       Perl_tounixspec_utf8
 991                       Perl_tounixspec_utf8_ts
 992                       Perl_tovmspath
 993                       Perl_tovmspath_ts
 994                       Perl_tovmspath_utf8
 995                       Perl_tovmspath_utf8_ts
 996                       Perl_tovmsspec
 997                       Perl_tovmsspec_ts
 998                       Perl_tovmsspec_utf8
 999                       Perl_tovmsspec_utf8_ts
1000                       Perl_trim_unixpath
1001                       Perl_vms_case_tolerant
1002                       Perl_vms_do_aexec
1003                       Perl_vms_do_exec
1004                       Perl_vms_image_init
1005                       Perl_vms_realpath
1006                       Perl_vmssetenv
1007                       Perl_vmssetuserlnm
1008                       Perl_vmstrnenv
1009                       PerlIO_openn
1010                  ));
1011 }
1012 elsif ($ARGS{PLATFORM} eq 'os2') {
1013     try_symbols(qw(
1014                       ctermid
1015                       get_sysinfo
1016                       Perl_OS2_init
1017                       Perl_OS2_init3
1018                       Perl_OS2_term
1019                       OS2_Perl_data
1020                       dlopen
1021                       dlsym
1022                       dlerror
1023                       dlclose
1024                       dup2
1025                       dup
1026                       my_tmpfile
1027                       my_tmpnam
1028                       my_flock
1029                       my_rmdir
1030                       my_mkdir
1031                       my_getpwuid
1032                       my_getpwnam
1033                       my_getpwent
1034                       my_setpwent
1035                       my_endpwent
1036                       fork_with_resources
1037                       croak_with_os2error
1038                       setgrent
1039                       endgrent
1040                       getgrent
1041                       malloc_mutex
1042                       threads_mutex
1043                       nthreads
1044                       nthreads_cond
1045                       os2_cond_wait
1046                       os2_stat
1047                       os2_execname
1048                       async_mssleep
1049                       msCounter
1050                       InfoTable
1051                       pthread_join
1052                       pthread_create
1053                       pthread_detach
1054                       XS_Cwd_change_drive
1055                       XS_Cwd_current_drive
1056                       XS_Cwd_extLibpath
1057                       XS_Cwd_extLibpath_set
1058                       XS_Cwd_sys_abspath
1059                       XS_Cwd_sys_chdir
1060                       XS_Cwd_sys_cwd
1061                       XS_Cwd_sys_is_absolute
1062                       XS_Cwd_sys_is_relative
1063                       XS_Cwd_sys_is_rooted
1064                       XS_DynaLoader_mod2fname
1065                       XS_File__Copy_syscopy
1066                       Perl_Register_MQ
1067                       Perl_Deregister_MQ
1068                       Perl_Serve_Messages
1069                       Perl_Process_Messages
1070                       init_PMWIN_entries
1071                       PMWIN_entries
1072                       Perl_hab_GET
1073                       loadByOrdinal
1074                       pExtFCN
1075                       os2error
1076                       ResetWinError
1077                       CroakWinError
1078                       PL_do_undump
1079                  ));
1080 }
1081 elsif ($ARGS{PLATFORM} eq 'netware') {
1082     try_symbols(qw(
1083                         Perl_init_os_extras
1084                         Perl_thread_create
1085                         Perl_nw5_init
1086                         RunPerl
1087                         AllocStdPerl
1088                         FreeStdPerl
1089                         do_spawn2
1090                         do_aspawn
1091                         nw_uname
1092                         nw_stdin
1093                         nw_stdout
1094                         nw_stderr
1095                         nw_feof
1096                         nw_ferror
1097                         nw_fopen
1098                         nw_fclose
1099                         nw_clearerr
1100                         nw_getc
1101                         nw_fgets
1102                         nw_fputc
1103                         nw_fputs
1104                         nw_fflush
1105                         nw_ungetc
1106                         nw_fileno
1107                         nw_fdopen
1108                         nw_freopen
1109                         nw_fread
1110                         nw_fwrite
1111                         nw_setbuf
1112                         nw_setvbuf
1113                         nw_vfprintf
1114                         nw_ftell
1115                         nw_fseek
1116                         nw_rewind
1117                         nw_tmpfile
1118                         nw_fgetpos
1119                         nw_fsetpos
1120                         nw_dup
1121                         nw_access
1122                         nw_chmod
1123                         nw_chsize
1124                         nw_close
1125                         nw_dup2
1126                         nw_flock
1127                         nw_isatty
1128                         nw_link
1129                         nw_lseek
1130                         nw_stat
1131                         nw_mktemp
1132                         nw_open
1133                         nw_read
1134                         nw_rename
1135                         nw_setmode
1136                         nw_unlink
1137                         nw_utime
1138                         nw_write
1139                         nw_chdir
1140                         nw_rmdir
1141                         nw_closedir
1142                         nw_opendir
1143                         nw_readdir
1144                         nw_rewinddir
1145                         nw_seekdir
1146                         nw_telldir
1147                         nw_htonl
1148                         nw_htons
1149                         nw_ntohl
1150                         nw_ntohs
1151                         nw_accept
1152                         nw_bind
1153                         nw_connect
1154                         nw_endhostent
1155                         nw_endnetent
1156                         nw_endprotoent
1157                         nw_endservent
1158                         nw_gethostbyaddr
1159                         nw_gethostbyname
1160                         nw_gethostent
1161                         nw_gethostname
1162                         nw_getnetbyaddr
1163                         nw_getnetbyname
1164                         nw_getnetent
1165                         nw_getpeername
1166                         nw_getprotobyname
1167                         nw_getprotobynumber
1168                         nw_getprotoent
1169                         nw_getservbyname
1170                         nw_getservbyport
1171                         nw_getservent
1172                         nw_getsockname
1173                         nw_getsockopt
1174                         nw_inet_addr
1175                         nw_listen
1176                         nw_socket
1177                         nw_recv
1178                         nw_recvfrom
1179                         nw_select
1180                         nw_send
1181                         nw_sendto
1182                         nw_sethostent
1183                         nw_setnetent
1184                         nw_setprotoent
1185                         nw_setservent
1186                         nw_setsockopt
1187                         nw_inet_ntoa
1188                         nw_shutdown
1189                         nw_crypt
1190                         nw_execvp
1191                         nw_kill
1192                         nw_Popen
1193                         nw_Pclose
1194                         nw_Pipe
1195                         nw_times
1196                         nw_waitpid
1197                         nw_getpid
1198                         nw_spawnvp
1199                         nw_os_id
1200                         nw_open_osfhandle
1201                         nw_get_osfhandle
1202                         nw_abort
1203                         nw_sleep
1204                         nw_wait
1205                         nw_dynaload
1206                         nw_strerror
1207                         fnFpSetMode
1208                         fnInsertHashListAddrs
1209                         fnGetHashListAddrs
1210                         Perl_deb
1211                         Perl_sv_setsv
1212                         Perl_sv_catsv
1213                         Perl_sv_catpvn
1214                         Perl_sv_2pv
1215                         nw_freeenviron
1216                         Remove_Thread_Ctx
1217                  ));
1218 }
1219
1220 # When added this code was only run for Win32 and WinCE
1221 # Currently only Win32 links static extensions into the shared library.
1222 # The WinCE makefile doesn't appear to support static extensions, so this code
1223 # can't have any effect there.
1224 # The NetWare Makefile doesn't support static extensions (and hardcodes the
1225 # list of dynamic extensions, and the rules to build them)
1226 # For *nix (and presumably OS/2) with a shared libperl, Makefile.SH compiles
1227 # static extensions with -fPIC, but links them to perl, not libperl.so
1228 # The VMS build scripts don't yet implement static extensions at all.
1229
1230 if ($ARGS{PLATFORM} =~ /^win(?:32|ce)$/) {
1231     # records of type boot_module for statically linked modules (except Dynaloader)
1232     my $static_ext = $Config{static_ext} // "";
1233     $static_ext =~ s/\//__/g;
1234     $static_ext =~ s/\bDynaLoader\b//;
1235     try_symbols(map {"boot_$_"} grep {/\S/} split /\s+/, $static_ext);
1236     try_symbols("init_Win32CORE") if $static_ext =~ /\bWin32CORE\b/;
1237 }
1238
1239 if ($ARGS{PLATFORM} eq 'os2') {
1240     my (%mapped, @missing);
1241     open MAP, '<', 'miniperl.map' or die 'Cannot read miniperl.map';
1242     /^\s*[\da-f:]+\s+(\w+)/i and $mapped{$1}++ foreach <MAP>;
1243     close MAP or die 'Cannot close miniperl.map';
1244
1245     @missing = grep { !exists $mapped{$_} }
1246                     keys %export;
1247     @missing = grep { !exists $exportperlmalloc{$_} } @missing;
1248     delete $export{$_} foreach @missing;
1249 }
1250
1251 ###############################################################################
1252
1253 # Now all symbols should be defined because next we are going to output them.
1254
1255 # Start with platform specific headers:
1256
1257 if ($ARGS{PLATFORM} =~ /^win(?:32|ce)$/) {
1258     my $dll = $define{PERL_DLL} ? $define{PERL_DLL} =~ s/\.dll$//ir
1259         : "perl$Config{api_revision}$Config{api_version}";
1260     print "LIBRARY $dll\n";
1261     # The DESCRIPTION module definition file statement is not supported
1262     # by VC7 onwards.
1263     if ($ARGS{CCTYPE} =~ /^(?:MSVC60|GCC)$/) {
1264         print "DESCRIPTION 'Perl interpreter'\n";
1265     }
1266     print "EXPORTS\n";
1267 }
1268 elsif ($ARGS{PLATFORM} eq 'os2') {
1269     (my $v = $]) =~ s/(\d\.\d\d\d)(\d\d)$/$1_$2/;
1270     $v .= '-thread' if $Config{archname} =~ /-thread/;
1271     (my $dll = $define{PERL_DLL}) =~ s/\.dll$//i;
1272     $v .= "\@$Config{perl_patchlevel}" if $Config{perl_patchlevel};
1273     my $d = "DESCRIPTION '\@#perl5-porters\@perl.org:$v#\@ Perl interpreter, configured as $Config{config_args}'";
1274     $d = substr($d, 0, 249) . "...'" if length $d > 253;
1275     print <<"---EOP---";
1276 LIBRARY '$dll' INITINSTANCE TERMINSTANCE
1277 $d
1278 STACKSIZE 32768
1279 CODE LOADONCALL
1280 DATA LOADONCALL NONSHARED MULTIPLE
1281 EXPORTS
1282 ---EOP---
1283 }
1284 elsif ($ARGS{PLATFORM} eq 'aix') {
1285     my $OSVER = `uname -v`;
1286     chop $OSVER;
1287     my $OSREL = `uname -r`;
1288     chop $OSREL;
1289     if ($OSVER > 4 || ($OSVER == 4 && $OSREL >= 3)) {
1290         print "#! ..\n";
1291     } else {
1292         print "#!\n";
1293     }
1294 }
1295 elsif ($ARGS{PLATFORM} eq 'netware') {
1296         if ($ARGS{FILETYPE} eq 'def') {
1297         print "LIBRARY perl$Config{api_revision}$Config{api_version}\n";
1298         print "DESCRIPTION 'Perl interpreter for NetWare'\n";
1299         print "EXPORTS\n";
1300         }
1301 }
1302
1303 # Then the symbols
1304
1305 my @symbols = $fold ? sort {lc $a cmp lc $b} keys %export : sort keys %export;
1306 foreach my $symbol (@symbols) {
1307     if (PLATFORM eq 'win32' || PLATFORM eq 'wince') {
1308         # Remembering the origin file of each symbol is an alternative to PL_ matching
1309         if (substr($symbol, 0, 3) eq 'PL_') {
1310             print "\t$symbol DATA\n";
1311         }
1312         else {
1313             print "\t$symbol\n";
1314         }
1315     }
1316     elsif (PLATFORM eq 'os2') {
1317         printf qq(    %-31s \@%s\n),
1318           qq("$symbol"), $ordinal{$symbol} || ++$sym_ord;
1319         printf qq(    %-31s \@%s\n),
1320           qq("$exportperlmalloc{$symbol}" = "$symbol"),
1321           $ordinal{$exportperlmalloc{$symbol}} || ++$sym_ord
1322           if $exportperlmalloc and exists $exportperlmalloc{$symbol};
1323     }
1324     elsif (PLATFORM eq 'netware') {
1325         print "\t$symbol,\n";
1326     } else {
1327         print "$symbol\n";
1328     }
1329 }
1330
1331 # Then platform specific footers.
1332
1333 if ($ARGS{PLATFORM} eq 'os2') {
1334     print <<EOP;
1335     dll_perlmain=main
1336     fill_extLibpath
1337     dir_subst
1338     Perl_OS2_handler_install
1339
1340 ; LAST_ORDINAL=$sym_ord
1341 EOP
1342 }
1343
1344 1;