1 /* intrpvar.h 2 * 3 * Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 4 * 2006, 2007, 2008 by Larry Wall and others 5 * 6 * You may distribute under the terms of either the GNU General Public 7 * License or the Artistic License, as specified in the README file. 8 * 9 */ 10 11 /* 12 =head1 Per-Interpreter Variables 13 */ 14 15 /* These variables are per-interpreter in threaded/multiplicity builds, 16 * global otherwise. 17 18 * Don't forget to re-run embed.pl to propagate changes! */ 19 20 /* New variables must be added to the very end for binary compatibility. 21 * XSUB.h provides wrapper functions via perlapi.h that make this 22 * irrelevant, but not all code may be expected to #include XSUB.h. */ 23 24 /* Don't forget to add your variable also to perl_clone()! */ 25 26 /* The 'I' prefix is only needed for vars that need appropriate #defines 27 * generated when built with or without MULTIPLICITY. It is also used 28 * to generate the appropriate export list for win32. 29 * 30 * When building without MULTIPLICITY, these variables will be truly global. 31 * 32 * Important ones in the first cache line (if alignment is done right) */ 33 34 PERLVAR(Istack_sp, SV **) /* top of the stack */ 35 #ifdef OP_IN_REGISTER 36 PERLVAR(Iopsave, OP *) 37 #else 38 PERLVAR(Iop, OP *) /* currently executing op */ 39 #endif 40 PERLVAR(Icurpad, SV **) /* active pad (lexicals+tmps) */ 41 42 PERLVAR(Istack_base, SV **) 43 PERLVAR(Istack_max, SV **) 44 45 PERLVAR(Iscopestack, I32 *) /* scopes we've ENTERed */ 46 /* name of the scopes we've ENTERed. Only used with -DDEBUGGING, but needs to be 47 present always, as -DDEUBGGING must be binary compatible with non. */ 48 PERLVARI(Iscopestack_name, const char * *, NULL) 49 PERLVAR(Iscopestack_ix, I32) 50 PERLVAR(Iscopestack_max,I32) 51 52 PERLVAR(Isavestack, ANY *) /* items that need to be restored when 53 LEAVEing scopes we've ENTERed */ 54 PERLVAR(Isavestack_ix, I32) 55 PERLVAR(Isavestack_max, I32) 56 57 PERLVAR(Itmps_stack, SV **) /* mortals we've made */ 58 PERLVARI(Itmps_ix, I32, -1) 59 PERLVARI(Itmps_floor, I32, -1) 60 PERLVAR(Itmps_max, I32) 61 PERLVAR(Imodcount, I32) /* how much mod()ification in 62 assignment? */ 63 64 PERLVAR(Imarkstack, I32 *) /* stack_sp locations we're 65 remembering */ 66 PERLVAR(Imarkstack_ptr, I32 *) 67 PERLVAR(Imarkstack_max, I32 *) 68 69 PERLVAR(ISv, SV *) /* used to hold temporary values */ 70 PERLVAR(IXpv, XPV *) /* used to hold temporary values */ 71 72 /* 73 =for apidoc Amn|STRLEN|PL_na 74 75 A convenience variable which is typically used with C<SvPV> when one 76 doesn't care about the length of the string. It is usually more efficient 77 to either declare a local variable and use that instead or to use the 78 C<SvPV_nolen> macro. 79 80 =cut 81 */ 82 83 PERLVAR(Ina, STRLEN) /* for use in SvPV when length is 84 Not Applicable */ 85 86 /* stat stuff */ 87 PERLVAR(Istatbuf, Stat_t) 88 PERLVAR(Istatcache, Stat_t) /* _ */ 89 PERLVAR(Istatgv, GV *) 90 PERLVARI(Istatname, SV *, NULL) 91 92 #ifdef HAS_TIMES 93 PERLVAR(Itimesbuf, struct tms) 94 #endif 95 96 /* Fields used by magic variables such as $@, $/ and so on */ 97 PERLVAR(Icurpm, PMOP *) /* what to do \ interps in REs from */ 98 99 /* 100 =for apidoc mn|SV*|PL_rs 101 102 The input record separator - C<$/> in Perl space. 103 104 =for apidoc mn|GV*|PL_last_in_gv 105 106 The GV which was last used for a filehandle input operation. (C<< <FH> >>) 107 108 =for apidoc mn|GV*|PL_ofsgv 109 110 The glob containing the output field separator - C<*,> in Perl space. 111 112 =cut 113 */ 114 115 PERLVAR(Irs, SV *) /* input record separator $/ */ 116 PERLVAR(Ilast_in_gv, GV *) /* GV used in last <FH> */ 117 PERLVAR(Iofsgv, GV *) /* GV of output field separator *, */ 118 PERLVAR(Idefoutgv, GV *) /* default FH for output */ 119 PERLVARI(Ichopset, const char *, " \n-") /* $: */ 120 PERLVAR(Iformtarget, SV *) 121 PERLVAR(Ibodytarget, SV *) 122 PERLVAR(Itoptarget, SV *) 123 124 /* Stashes */ 125 PERLVAR(Idefstash, HV *) /* main symbol table */ 126 PERLVAR(Icurstash, HV *) /* symbol table for current package */ 127 128 PERLVAR(Irestartop, OP *) /* propagating an error from croak? */ 129 PERLVAR(Icurcop, COP *) 130 PERLVAR(Icurstack, AV *) /* THE STACK */ 131 PERLVAR(Icurstackinfo, PERL_SI *) /* current stack + context */ 132 PERLVAR(Imainstack, AV *) /* the stack when nothing funny is 133 happening */ 134 135 PERLVAR(Itop_env, JMPENV *) /* ptr to current sigjmp environment */ 136 PERLVAR(Istart_env, JMPENV) /* empty startup sigjmp environment */ 137 PERLVARI(Ierrors, SV *, NULL) /* outstanding queued errors */ 138 139 /* statics "owned" by various functions */ 140 PERLVAR(Ihv_fetch_ent_mh, HE*) /* owned by hv_fetch_ent() */ 141 142 PERLVAR(Ilastgotoprobe, OP*) /* from pp_ctl.c */ 143 144 /* sort stuff */ 145 PERLVAR(Isortcop, OP *) /* user defined sort routine */ 146 PERLVAR(Isortstash, HV *) /* which is in some package or other */ 147 PERLVAR(Ifirstgv, GV *) /* $a */ 148 PERLVAR(Isecondgv, GV *) /* $b */ 149 150 /* float buffer */ 151 PERLVAR(Iefloatbuf, char *) 152 PERLVAR(Iefloatsize, STRLEN) 153 154 /* regex stuff */ 155 156 PERLVAR(Iscreamfirst, I32 *) 157 PERLVAR(Iscreamnext, I32 *) 158 PERLVAR(Ilastscream, SV *) 159 160 PERLVAR(Ireg_state, struct re_save_state) 161 162 PERLVAR(Iregdummy, regnode) /* from regcomp.c */ 163 164 PERLVARI(Idumpindent, U16, 4) /* number of blanks per dump 165 indentation level */ 166 167 168 PERLVAR(Iutf8locale, bool) /* utf8 locale detected */ 169 PERLVARI(Irehash_seed_set, bool, FALSE) /* 582 hash initialized? */ 170 171 PERLVARA(Icolors,6, char *) /* from regcomp.c */ 172 173 PERLVARI(Ipeepp, peep_t, MEMBER_TO_FPTR(Perl_peep)) 174 /* Pointer to peephole optimizer */ 175 176 /* 177 =for apidoc Amn|Perl_ophook_t|PL_opfreehook 178 179 When non-C<NULL>, the function pointed by this variable will be called each time an OP is freed with the corresponding OP as the argument. 180 This allows extensions to free any extra attribute they have locally attached to an OP. 181 It is also assured to first fire for the parent OP and then for its kids. 182 183 When you replace this variable, it is considered a good practice to store the possibly previously installed hook and that you recall it inside your own. 184 185 =cut 186 */ 187 188 PERLVARI(Iopfreehook, Perl_ophook_t, 0) /* op_free() hook */ 189 190 PERLVARI(Imaxscream, I32, -1) 191 PERLVARI(Ireginterp_cnt,I32, 0) /* Whether "Regexp" was interpolated. */ 192 PERLVARI(Iwatchaddr, char **, 0) 193 PERLVAR(Iwatchok, char *) 194 195 /* the currently active slab in a chain of slabs of regmatch states, 196 * and the currently active state within that slab */ 197 198 PERLVARI(Iregmatch_slab, regmatch_slab *, NULL) 199 PERLVAR(Iregmatch_state, regmatch_state *) 200 201 /* Put anything new that is pointer aligned here. */ 202 203 PERLVAR(Idelaymagic, U16) /* ($<,$>) = ... */ 204 PERLVAR(Ilocalizing, U8) /* are we processing a local() list? */ 205 PERLVAR(Icolorset, bool) /* from regcomp.c */ 206 PERLVARI(Idirty, bool, FALSE) /* in the middle of tearing things 207 down? */ 208 PERLVAR(Iin_eval, U8) /* trap "fatal" errors? */ 209 PERLVAR(Itainted, bool) /* using variables controlled by $< */ 210 211 /* This value may be set when embedding for full cleanup */ 212 /* 0=none, 1=full, 2=full with checks */ 213 /* mod_perl is special, and also assigns a meaning -1 */ 214 PERLVARI(Iperl_destruct_level, signed char, 0) 215 216 PERLVAR(Iperldb, U32) 217 218 /* pseudo environmental stuff */ 219 PERLVAR(Iorigargc, int) 220 PERLVAR(Iorigargv, char **) 221 PERLVAR(Ienvgv, GV *) 222 PERLVAR(Iincgv, GV *) 223 PERLVAR(Ihintgv, GV *) 224 PERLVAR(Iorigfilename, char *) 225 PERLVAR(Idiehook, SV *) 226 PERLVAR(Iwarnhook, SV *) 227 228 /* switches */ 229 PERLVAR(Ipatchlevel, SV *) 230 PERLVAR(Ilocalpatches, const char * const *) 231 PERLVARI(Isplitstr, const char *, " ") 232 233 PERLVAR(Iminus_c, bool) 234 PERLVAR(Iminus_n, bool) 235 PERLVAR(Iminus_p, bool) 236 PERLVAR(Iminus_l, bool) 237 PERLVAR(Iminus_a, bool) 238 PERLVAR(Iminus_F, bool) 239 PERLVAR(Idoswitches, bool) 240 PERLVAR(Iminus_E, bool) 241 242 /* 243 244 =for apidoc mn|bool|PL_dowarn 245 246 The C variable which corresponds to Perl's $^W warning variable. 247 248 =cut 249 */ 250 251 PERLVAR(Idowarn, U8) 252 PERLVAR(Idoextract, bool) 253 PERLVAR(Isawampersand, bool) /* must save all match strings */ 254 PERLVAR(Iunsafe, bool) 255 PERLVAR(Iexit_flags, U8) /* was exit() unexpected, etc. */ 256 PERLVAR(Isrand_called, bool) 257 /* Part of internal state, but makes the 16th 1 byte variable in a row. */ 258 PERLVAR(Itainting, bool) /* doing taint checks */ 259 /* Space for a U8 */ 260 PERLVAR(Iinplace, char *) 261 PERLVAR(Ie_script, SV *) 262 263 /* magical thingies */ 264 PERLVAR(Ibasetime, Time_t) /* $^T */ 265 PERLVAR(Iformfeed, SV *) /* $^L */ 266 267 268 PERLVARI(Imaxsysfd, I32, MAXSYSFD) 269 /* top fd to pass to subprocesses */ 270 PERLVAR(Istatusvalue, I32) /* $? */ 271 #ifdef VMS 272 PERLVAR(Istatusvalue_vms,U32) 273 #else 274 PERLVAR(Istatusvalue_posix,I32) 275 #endif 276 277 PERLVARI(Isig_pending, int,0) /* Number if highest signal pending */ 278 PERLVAR(Ipsig_pend, int *) /* per-signal "count" of pending */ 279 280 /* shortcuts to various I/O objects */ 281 PERLVAR(Istdingv, GV *) 282 PERLVAR(Istderrgv, GV *) 283 PERLVAR(Idefgv, GV *) 284 PERLVAR(Iargvgv, GV *) 285 PERLVAR(Iargvoutgv, GV *) 286 PERLVAR(Iargvout_stack, AV *) 287 288 /* shortcuts to regexp stuff */ 289 PERLVAR(Ireplgv, GV *) 290 291 /* shortcuts to misc objects */ 292 PERLVAR(Ierrgv, GV *) 293 294 /* shortcuts to debugging objects */ 295 PERLVAR(IDBgv, GV *) 296 PERLVAR(IDBline, GV *) 297 298 /* 299 =for apidoc mn|GV *|PL_DBsub 300 When Perl is run in debugging mode, with the B<-d> switch, this GV contains 301 the SV which holds the name of the sub being debugged. This is the C 302 variable which corresponds to Perl's $DB::sub variable. See 303 C<PL_DBsingle>. 304 305 =for apidoc mn|SV *|PL_DBsingle 306 When Perl is run in debugging mode, with the B<-d> switch, this SV is a 307 boolean which indicates whether subs are being single-stepped. 308 Single-stepping is automatically turned on after every step. This is the C 309 variable which corresponds to Perl's $DB::single variable. See 310 C<PL_DBsub>. 311 312 =for apidoc mn|SV *|PL_DBtrace 313 Trace variable used when Perl is run in debugging mode, with the B<-d> 314 switch. This is the C variable which corresponds to Perl's $DB::trace 315 variable. See C<PL_DBsingle>. 316 317 =cut 318 */ 319 320 PERLVAR(IDBsub, GV *) 321 PERLVAR(IDBsingle, SV *) 322 PERLVAR(IDBtrace, SV *) 323 PERLVAR(IDBsignal, SV *) 324 PERLVAR(Idbargs, AV *) /* args to call listed by caller function */ 325 326 /* symbol tables */ 327 PERLVAR(Idebstash, HV *) /* symbol table for perldb package */ 328 PERLVAR(Iglobalstash, HV *) /* global keyword overrides imported here */ 329 PERLVAR(Icurstname, SV *) /* name of current package */ 330 PERLVAR(Ibeginav, AV *) /* names of BEGIN subroutines */ 331 PERLVAR(Iendav, AV *) /* names of END subroutines */ 332 PERLVAR(Iunitcheckav, AV *) /* names of UNITCHECK subroutines */ 333 PERLVAR(Icheckav, AV *) /* names of CHECK subroutines */ 334 PERLVAR(Iinitav, AV *) /* names of INIT subroutines */ 335 PERLVAR(Istrtab, HV *) /* shared string table */ 336 PERLVARI(Isub_generation,U32,1) /* incr to invalidate method cache */ 337 338 /* funky return mechanisms */ 339 PERLVAR(Iforkprocess, int) /* so do_open |- can return proc# */ 340 341 /* memory management */ 342 PERLVAR(Isv_count, I32) /* how many SV* are currently allocated */ 343 PERLVAR(Isv_objcount, I32) /* how many objects are currently allocated */ 344 PERLVAR(Isv_root, SV*) /* storage for SVs belonging to interp */ 345 PERLVAR(Isv_arenaroot, SV*) /* list of areas for garbage collection */ 346 347 /* subprocess state */ 348 PERLVAR(Ifdpid, AV *) /* keep fd-to-pid mappings for my_popen */ 349 350 /* internal state */ 351 PERLVARI(Iop_mask, char *, NULL) /* masked operations for safe evals */ 352 353 /* current interpreter roots */ 354 PERLVAR(Imain_cv, CV *) 355 PERLVAR(Imain_root, OP *) 356 PERLVAR(Imain_start, OP *) 357 PERLVAR(Ieval_root, OP *) 358 PERLVAR(Ieval_start, OP *) 359 360 /* runtime control stuff */ 361 PERLVARI(Icurcopdb, COP *, NULL) 362 363 PERLVAR(Ifilemode, int) /* so nextargv() can preserve mode */ 364 PERLVAR(Ilastfd, int) /* what to preserve mode on */ 365 PERLVAR(Ioldname, char *) /* what to preserve mode on */ 366 PERLVAR(IArgv, const char **) /* stuff to free from do_aexec, vfork safe */ 367 PERLVAR(ICmd, char *) /* stuff to free from do_aexec, vfork safe */ 368 /* Elements in this array have ';' appended and are injected as a single line 369 into the tokeniser. You can't put any (literal) newlines into any program 370 you stuff in into this array, as the point where it's injected is expecting 371 a single physical line. */ 372 PERLVAR(Ipreambleav, AV *) 373 PERLVAR(Imess_sv, SV *) 374 PERLVAR(Iors_sv, SV *) /* output record separator $\ */ 375 /* statics moved here for shared library purposes */ 376 PERLVARI(Igensym, I32, 0) /* next symbol for getsym() to define */ 377 PERLVARI(Icv_has_eval, bool, FALSE) /* PL_compcv includes an entereval or similar */ 378 PERLVAR(Itaint_warn, bool) /* taint warns instead of dying */ 379 PERLVARI(Ilaststype, U16, OP_STAT) 380 PERLVARI(Ilaststatval, int, -1) 381 382 /* interpreter atexit processing */ 383 PERLVARI(Iexitlistlen, I32, 0) /* length of same */ 384 PERLVARI(Iexitlist, PerlExitListEntry *, NULL) 385 /* list of exit functions */ 386 387 /* 388 =for apidoc Amn|HV*|PL_modglobal 389 390 C<PL_modglobal> is a general purpose, interpreter global HV for use by 391 extensions that need to keep information on a per-interpreter basis. 392 In a pinch, it can also be used as a symbol table for extensions 393 to share data among each other. It is a good idea to use keys 394 prefixed by the package name of the extension that owns the data. 395 396 =cut 397 */ 398 399 PERLVAR(Imodglobal, HV *) /* per-interp module data */ 400 401 /* these used to be in global before 5.004_68 */ 402 PERLVARI(Iprofiledata, U32 *, NULL) /* table of ops, counts */ 403 404 PERLVAR(Icompiling, COP) /* compiling/done executing marker */ 405 406 PERLVAR(Icompcv, CV *) /* currently compiling subroutine */ 407 PERLVAR(Icomppad, AV *) /* storage for lexically scoped temporaries */ 408 PERLVAR(Icomppad_name, AV *) /* variable names for "my" variables */ 409 PERLVAR(Icomppad_name_fill, I32) /* last "introduced" variable offset */ 410 PERLVAR(Icomppad_name_floor, I32) /* start of vars in innermost block */ 411 412 #ifdef HAVE_INTERP_INTERN 413 PERLVAR(Isys_intern, struct interp_intern) 414 /* platform internals */ 415 #endif 416 417 /* more statics moved here */ 418 PERLVAR(IDBcv, CV *) /* from perl.c */ 419 PERLVARI(Igeneration, int, 100) /* from op.c */ 420 421 PERLVARI(Iin_clean_objs,bool, FALSE) /* from sv.c */ 422 PERLVARI(Iin_clean_all, bool, FALSE) /* from sv.c */ 423 PERLVAR(Inomemok, bool) /* let malloc context handle nomem */ 424 PERLVARI(Isavebegin, bool, FALSE) /* save BEGINs for compiler */ 425 426 PERLVAR(Iuid, Uid_t) /* current real user id */ 427 PERLVAR(Ieuid, Uid_t) /* current effective user id */ 428 PERLVAR(Igid, Gid_t) /* current real group id */ 429 PERLVAR(Iegid, Gid_t) /* current effective group id */ 430 PERLVARI(Ian, U32, 0) /* malloc sequence number */ 431 PERLVARI(Icop_seqmax, U32, 0) /* statement sequence number */ 432 PERLVARI(Ievalseq, U32, 0) /* eval sequence number */ 433 PERLVAR(Iorigalen, U32) 434 PERLVAR(Iorigenviron, char **) 435 #ifdef PERL_USES_PL_PIDSTATUS 436 PERLVAR(Ipidstatus, HV *) /* pid-to-status mappings for waitpid */ 437 #endif 438 PERLVAR(Iosname, char *) /* operating system */ 439 440 PERLVAR(Isighandlerp, Sighandler_t) 441 442 PERLVARA(Ibody_roots, PERL_ARENA_ROOTS_SIZE, void*) /* array of body roots */ 443 444 PERLVAR(Inice_chunk, char *) /* a nice chunk of memory to reuse */ 445 PERLVAR(Inice_chunk_size, U32) /* how nice the chunk of memory is */ 446 447 PERLVARI(Imaxo, int, MAXO) /* maximum number of ops */ 448 449 PERLVARI(Irunops, runops_proc_t, MEMBER_TO_FPTR(RUNOPS_DEFAULT)) 450 451 /* 452 =for apidoc Amn|SV|PL_sv_undef 453 This is the C<undef> SV. Always refer to this as C<&PL_sv_undef>. 454 455 =for apidoc Amn|SV|PL_sv_no 456 This is the C<false> SV. See C<PL_sv_yes>. Always refer to this as 457 C<&PL_sv_no>. 458 459 =for apidoc Amn|SV|PL_sv_yes 460 This is the C<true> SV. See C<PL_sv_no>. Always refer to this as 461 C<&PL_sv_yes>. 462 463 =cut 464 */ 465 466 PERLVAR(Isv_undef, SV) 467 PERLVAR(Isv_no, SV) 468 PERLVAR(Isv_yes, SV) 469 470 PERLVAR(Isubname, SV *) /* name of current subroutine */ 471 472 PERLVAR(Isubline, I32) /* line this subroutine began on */ 473 PERLVAR(Imin_intro_pending, I32) /* start of vars to introduce */ 474 475 PERLVAR(Imax_intro_pending, I32) /* end of vars to introduce */ 476 PERLVAR(Ipadix, I32) /* max used index in current "register" pad */ 477 478 PERLVAR(Ipadix_floor, I32) /* how low may inner block reset padix */ 479 480 PERLVAR(Ihints, U32) /* pragma-tic compile-time flags */ 481 482 PERLVAR(Idebug, VOL U32) /* flags given to -D switch */ 483 484 /* Perl_Ibreakable_sub_generation_ptr was too long for VMS, hence "gen" */ 485 PERLVARI(Ibreakable_sub_gen, U32, 0) 486 487 PERLVARI(Iamagic_generation, long, 0) 488 489 #ifdef USE_LOCALE_COLLATE 490 PERLVAR(Icollation_name,char *) /* Name of current collation */ 491 PERLVAR(Icollxfrm_base, Size_t) /* Basic overhead in *xfrm() */ 492 PERLVARI(Icollxfrm_mult,Size_t, 2) /* Expansion factor in *xfrm() */ 493 PERLVARI(Icollation_ix, U32, 0) /* Collation generation index */ 494 PERLVARI(Icollation_standard, bool, TRUE) 495 /* Assume simple collation */ 496 #endif /* USE_LOCALE_COLLATE */ 497 498 499 #if defined (PERL_UTF8_CACHE_ASSERT) || defined (DEBUGGING) 500 # define PERL___I -1 501 #else 502 # define PERL___I 1 503 #endif 504 PERLVARI(Iutf8cache, I8, PERL___I) /* Is the utf8 caching code enabled? */ 505 #undef PERL___I 506 507 508 #ifdef USE_LOCALE_NUMERIC 509 510 PERLVARI(Inumeric_standard, bool, TRUE) 511 /* Assume simple numerics */ 512 PERLVARI(Inumeric_local, bool, TRUE) 513 /* Assume local numerics */ 514 PERLVAR(Inumeric_name, char *) /* Name of current numeric locale */ 515 #endif /* !USE_LOCALE_NUMERIC */ 516 517 /* utf8 character classes */ 518 PERLVAR(Iutf8_alnum, SV *) 519 PERLVAR(Iutf8_ascii, SV *) 520 PERLVAR(Iutf8_alpha, SV *) 521 PERLVAR(Iutf8_space, SV *) 522 PERLVAR(Iutf8_perl_space, SV *) 523 PERLVAR(Iutf8_perl_word, SV *) 524 PERLVAR(Iutf8_posix_digit, SV *) 525 PERLVAR(Iutf8_cntrl, SV *) 526 PERLVAR(Iutf8_graph, SV *) 527 PERLVAR(Iutf8_digit, SV *) 528 PERLVAR(Iutf8_upper, SV *) 529 PERLVAR(Iutf8_lower, SV *) 530 PERLVAR(Iutf8_print, SV *) 531 PERLVAR(Iutf8_punct, SV *) 532 PERLVAR(Iutf8_xdigit, SV *) 533 PERLVAR(Iutf8_mark, SV *) 534 PERLVAR(Iutf8_X_begin, SV *) 535 PERLVAR(Iutf8_X_extend, SV *) 536 PERLVAR(Iutf8_X_prepend, SV *) 537 PERLVAR(Iutf8_X_non_hangul, SV *) 538 PERLVAR(Iutf8_X_L, SV *) 539 PERLVAR(Iutf8_X_LV, SV *) 540 PERLVAR(Iutf8_X_LVT, SV *) 541 PERLVAR(Iutf8_X_T, SV *) 542 PERLVAR(Iutf8_X_V, SV *) 543 PERLVAR(Iutf8_X_LV_LVT_V, SV *) 544 PERLVAR(Iutf8_toupper, SV *) 545 PERLVAR(Iutf8_totitle, SV *) 546 PERLVAR(Iutf8_tolower, SV *) 547 PERLVAR(Iutf8_tofold, SV *) 548 PERLVAR(Ilast_swash_hv, HV *) 549 PERLVAR(Ilast_swash_tmps, U8 *) 550 PERLVAR(Ilast_swash_slen, STRLEN) 551 PERLVARA(Ilast_swash_key,10, U8) 552 PERLVAR(Ilast_swash_klen, U8) /* Only needs to store 0-10 */ 553 554 #ifdef FCRYPT 555 PERLVARI(Icryptseen, bool, FALSE) /* has fast crypt() been initialized? */ 556 #endif 557 558 PERLVAR(Ipad_reset_pending, bool) /* reset pad on next attempted alloc */ 559 560 PERLVARI(Iglob_index, int, 0) 561 562 563 PERLVAR(Iparser, yy_parser *) /* current parser state */ 564 565 /* Array of signal handlers, indexed by signal number, through which the C 566 signal handler dispatches. */ 567 PERLVAR(Ipsig_ptr, SV**) 568 /* Array of names of signals, indexed by signal number, for (re)use as the first 569 argument to a signal handler. Only one block of memory is allocated for 570 both psig_name and psig_ptr. */ 571 PERLVAR(Ipsig_name, SV**) 572 573 #if defined(PERL_IMPLICIT_SYS) 574 PERLVAR(IMem, struct IPerlMem*) 575 PERLVAR(IMemShared, struct IPerlMem*) 576 PERLVAR(IMemParse, struct IPerlMem*) 577 PERLVAR(IEnv, struct IPerlEnv*) 578 PERLVAR(IStdIO, struct IPerlStdIO*) 579 PERLVAR(ILIO, struct IPerlLIO*) 580 PERLVAR(IDir, struct IPerlDir*) 581 PERLVAR(ISock, struct IPerlSock*) 582 PERLVAR(IProc, struct IPerlProc*) 583 #endif 584 585 PERLVAR(Iptr_table, PTR_TBL_t*) 586 PERLVARI(Ibeginav_save, AV*, NULL) /* save BEGIN{}s when compiling */ 587 588 PERLVAR(Ibody_arenas, void*) /* pointer to list of body-arenas */ 589 590 591 #ifdef USE_LOCALE_NUMERIC 592 593 PERLVAR(Inumeric_radix_sv, SV *) /* The radix separator if not '.' */ 594 595 #endif 596 597 #if defined(USE_ITHREADS) 598 PERLVAR(Iregex_pad, SV**) /* Shortcut into the array of 599 regex_padav */ 600 PERLVAR(Iregex_padav, AV*) /* All regex objects, indexed via the 601 values in op_pmoffset of pmop. 602 Entry 0 is an SV whose PV is a 603 "packed" list of IVs listing 604 the now-free slots in the array */ 605 #endif 606 607 #ifdef USE_REENTRANT_API 608 PERLVAR(Ireentrant_buffer, REENTR*) /* here we store the _r buffers */ 609 #endif 610 611 PERLVAR(Icustom_op_names, HV*) /* Names of user defined ops */ 612 PERLVAR(Icustom_op_descs, HV*) /* Descriptions of user defined ops */ 613 614 #ifdef PERLIO_LAYERS 615 PERLVARI(Iperlio, PerlIO *,NULL) 616 PERLVARI(Iknown_layers, PerlIO_list_t *,NULL) 617 PERLVARI(Idef_layerlist, PerlIO_list_t *,NULL) 618 #endif 619 620 PERLVARI(Iencoding, SV*, NULL) /* character encoding */ 621 622 PERLVAR(Idebug_pad, struct perl_debug_pad) /* always needed because of the re extension */ 623 624 PERLVAR(Iutf8_idstart, SV *) 625 PERLVAR(Iutf8_idcont, SV *) 626 627 PERLVAR(Isort_RealCmp, SVCOMPARE_t) 628 629 PERLVARI(Icheckav_save, AV*, NULL) /* save CHECK{}s when compiling */ 630 PERLVARI(Iunitcheckav_save, AV*, NULL) /* save UNITCHECK{}s when compiling */ 631 632 PERLVARI(Iclocktick, long, 0) /* this many times() ticks in a second */ 633 634 PERLVARI(Iin_load_module, int, 0) /* to prevent recursions in PerlIO_find_layer */ 635 636 PERLVAR(Iunicode, U32) /* Unicode features: $ENV{PERL_UNICODE} or -C */ 637 638 PERLVAR(Isignals, U32) /* Using which pre-5.8 signals */ 639 640 PERLVAR(Ireentrant_retint, int) /* Integer return value from reentrant functions */ 641 642 PERLVAR(Istashcache, HV *) /* Cache to speed up S_method_common */ 643 644 /* Hooks to shared SVs and locks. */ 645 PERLVARI(Isharehook, share_proc_t, MEMBER_TO_FPTR(Perl_sv_nosharing)) 646 PERLVARI(Ilockhook, share_proc_t, MEMBER_TO_FPTR(Perl_sv_nosharing)) 647 #ifdef NO_MATHOMS 648 # define PERL_UNLOCK_HOOK Perl_sv_nosharing 649 #else 650 /* This reference ensures that the mathoms are linked with perl */ 651 # define PERL_UNLOCK_HOOK Perl_sv_nounlocking 652 #endif 653 PERLVARI(Iunlockhook, share_proc_t, MEMBER_TO_FPTR(PERL_UNLOCK_HOOK)) 654 655 PERLVARI(Ithreadhook, thrhook_proc_t, MEMBER_TO_FPTR(Perl_nothreadhook)) 656 657 PERLVARI(Ihash_seed, UV, 0) /* Hash initializer */ 658 659 PERLVARI(Irehash_seed, UV, 0) /* 582 hash initializer */ 660 661 PERLVARI(Iisarev, HV*, NULL) /* Reverse map of @ISA dependencies */ 662 663 /* The last unconditional member of the interpreter structure when 5.10.0 was 664 released. The offset of the end of this is baked into a global variable in 665 any shared perl library which will allow a sanity test in future perl 666 releases. */ 667 #define PERL_LAST_5_10_0_INTERP_MEMBER Iisarev 668 669 #ifdef PERL_IMPLICIT_CONTEXT 670 PERLVARI(Imy_cxt_size, int, 0) /* size of PL_my_cxt_list */ 671 PERLVARI(Imy_cxt_list, void **, NULL) /* per-module array of MY_CXT pointers */ 672 # ifdef PERL_GLOBAL_STRUCT_PRIVATE 673 PERLVARI(Imy_cxt_keys, const char **, NULL) /* per-module array of pointers to MY_CXT_KEY constants */ 674 # endif 675 #endif 676 677 #ifdef PERL_TRACK_MEMPOOL 678 /* For use with the memory debugging code in util.c */ 679 PERLVAR(Imemory_debug_header, struct perl_memory_debug_header) 680 #endif 681 682 #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP 683 /* File descriptor to talk to the child which dumps scalars. */ 684 PERLVARI(Idumper_fd, int, -1) 685 #endif 686 687 /* Stores the PPID */ 688 #ifdef THREADS_HAVE_PIDS 689 PERLVARI(Ippid, IV, 0) 690 #endif 691 692 #ifdef PERL_MAD 693 PERLVARI(Imadskills, bool, FALSE) /* preserve all syntactic info */ 694 /* (MAD = Misc Attribute Decoration) */ 695 PERLVARI(Ixmlfp, PerlIO *,NULL) 696 #endif 697 698 #ifdef PL_OP_SLAB_ALLOC 699 PERLVAR(IOpPtr,I32 **) 700 PERLVARI(IOpSpace,I32,0) 701 PERLVAR(IOpSlab,I32 *) 702 #endif 703 704 #ifdef PERL_DEBUG_READONLY_OPS 705 PERLVARI(Islabs, I32**, NULL) /* Array of slabs that have been allocated */ 706 PERLVARI(Islab_count, U32, 0) /* Size of the array */ 707 #endif 708 709 /* Can shared object be destroyed */ 710 PERLVARI(Idestroyhook, destroyable_proc_t, MEMBER_TO_FPTR(Perl_sv_destroyable)) 711 712 #ifdef DEBUG_LEAKING_SCALARS 713 PERLVARI(Isv_serial, U32, 0) /* SV serial number, used in sv.c */ 714 #endif 715 716 /* Register of known Method Resolution Orders. 717 What this actually points to is an implementation detail (it may change to 718 a structure incorporating a reference count - use mro_get_from_name to 719 retrieve a C<struct mro_alg *> */ 720 PERLVAR(Iregistered_mros, HV *) 721 722 /* If you are adding a U8 or U16, check to see if there are 'Space' comments 723 * above on where there are gaps which currently will be structure padding. */ 724 725 /* Within a stable branch, new variables must be added to the very end, before 726 * this comment, for binary compatibility (the offsets of the old members must 727 * not change). 728 * (Don't forget to add your variable also to perl_clone()!) 729 * XSUB.h provides wrapper functions via perlapi.h that make this 730 * irrelevant, but not all code may be expected to #include XSUB.h. 731 */ 732