-/***********************************************/
-/* Global only to current interpreter instance */
-/***********************************************/
+/* intrpvar.h
+ *
+ * Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
+ * 2006, 2007, 2008 by Larry Wall and others
+ *
+ * You may distribute under the terms of either the GNU General Public
+ * License or the Artistic License, as specified in the README file.
+ *
+ */
-/* Don't forget to re-run embed.pl to propagate changes! */
+/*
+=head1 Per-Interpreter Variables
+*/
+
+/* These variables are per-interpreter in threaded/multiplicity builds,
+ * global otherwise.
+
+ * Don't forget to re-run embed.pl to propagate changes! */
/* New variables must be added to the very end for binary compatibility.
* XSUB.h provides wrapper functions via perlapi.h that make this
* generated when built with or without MULTIPLICITY. It is also used
* to generate the appropriate export list for win32.
*
- * When building without MULTIPLICITY, these variables will be truly global. */
+ * When building without MULTIPLICITY, these variables will be truly global.
+ *
+ * Important ones in the first cache line (if alignment is done right) */
+
+PERLVAR(Istack_sp, SV **) /* top of the stack */
+#ifdef OP_IN_REGISTER
+PERLVAR(Iopsave, OP *)
+#else
+PERLVAR(Iop, OP *) /* currently executing op */
+#endif
+PERLVAR(Icurpad, SV **) /* active pad (lexicals+tmps) */
+
+PERLVAR(Istack_base, SV **)
+PERLVAR(Istack_max, SV **)
+
+PERLVAR(Iscopestack, I32 *) /* scopes we've ENTERed */
+PERLVAR(Iscopestack_ix, I32)
+PERLVAR(Iscopestack_max,I32)
+
+PERLVAR(Isavestack, ANY *) /* items that need to be restored when
+ LEAVEing scopes we've ENTERed */
+PERLVAR(Isavestack_ix, I32)
+PERLVAR(Isavestack_max, I32)
+
+PERLVAR(Itmps_stack, SV **) /* mortals we've made */
+PERLVARI(Itmps_ix, I32, -1)
+PERLVARI(Itmps_floor, I32, -1)
+PERLVAR(Itmps_max, I32)
+PERLVAR(Imodcount, I32) /* how much mod()ification in
+ assignment? */
+
+PERLVAR(Imarkstack, I32 *) /* stack_sp locations we're
+ remembering */
+PERLVAR(Imarkstack_ptr, I32 *)
+PERLVAR(Imarkstack_max, I32 *)
+
+PERLVAR(ISv, SV *) /* used to hold temporary values */
+PERLVAR(IXpv, XPV *) /* used to hold temporary values */
+
+/*
+=for apidoc Amn|STRLEN|PL_na
+
+A convenience variable which is typically used with C<SvPV> when one
+doesn't care about the length of the string. It is usually more efficient
+to either declare a local variable and use that instead or to use the
+C<SvPV_nolen> macro.
+
+=cut
+*/
+
+PERLVAR(Ina, STRLEN) /* for use in SvPV when length is
+ Not Applicable */
+
+/* stat stuff */
+PERLVAR(Istatbuf, Stat_t)
+PERLVAR(Istatcache, Stat_t) /* _ */
+PERLVAR(Istatgv, GV *)
+PERLVARI(Istatname, SV *, NULL)
+
+#ifdef HAS_TIMES
+PERLVAR(Itimesbuf, struct tms)
+#endif
+
+/* Fields used by magic variables such as $@, $/ and so on */
+PERLVAR(Icurpm, PMOP *) /* what to do \ interps in REs from */
+
+/*
+=for apidoc mn|SV*|PL_rs
+
+The input record separator - C<$/> in Perl space.
+
+=for apidoc mn|GV*|PL_last_in_gv
+
+The GV which was last used for a filehandle input operation. (C<< <FH> >>)
+
+=for apidoc mn|GV*|PL_ofsgv
+
+The glob containing the output field separator - C<*,> in Perl space.
+=cut
+*/
+
+PERLVAR(Irs, SV *) /* input record separator $/ */
+PERLVAR(Ilast_in_gv, GV *) /* GV used in last <FH> */
+PERLVAR(Iofsgv, GV *) /* GV of output field separator *, */
+PERLVAR(Idefoutgv, GV *) /* default FH for output */
+PERLVARI(Ichopset, const char *, " \n-") /* $: */
+PERLVAR(Iformtarget, SV *)
+PERLVAR(Ibodytarget, SV *)
+PERLVAR(Itoptarget, SV *)
+
+/* Stashes */
+PERLVAR(Idefstash, HV *) /* main symbol table */
+PERLVAR(Icurstash, HV *) /* symbol table for current package */
+
+PERLVAR(Irestartop, OP *) /* propagating an error from croak? */
+PERLVAR(Icurcop, COP *)
+PERLVAR(Icurstack, AV *) /* THE STACK */
+PERLVAR(Icurstackinfo, PERL_SI *) /* current stack + context */
+PERLVAR(Imainstack, AV *) /* the stack when nothing funny is
+ happening */
+
+PERLVAR(Itop_env, JMPENV *) /* ptr to current sigjmp environment */
+PERLVAR(Istart_env, JMPENV) /* empty startup sigjmp environment */
+PERLVARI(Ierrors, SV *, NULL) /* outstanding queued errors */
+
+/* statics "owned" by various functions */
+PERLVAR(Ihv_fetch_ent_mh, HE*) /* owned by hv_fetch_ent() */
+
+PERLVAR(Ilastgotoprobe, OP*) /* from pp_ctl.c */
+
+/* sort stuff */
+PERLVAR(Isortcop, OP *) /* user defined sort routine */
+PERLVAR(Isortstash, HV *) /* which is in some package or other */
+PERLVAR(Ifirstgv, GV *) /* $a */
+PERLVAR(Isecondgv, GV *) /* $b */
+
+/* float buffer */
+PERLVAR(Iefloatbuf, char *)
+PERLVAR(Iefloatsize, STRLEN)
+
+/* regex stuff */
+
+PERLVAR(Iscreamfirst, I32 *)
+PERLVAR(Iscreamnext, I32 *)
+PERLVAR(Ilastscream, SV *)
+
+PERLVAR(Ireg_state, struct re_save_state)
+
+PERLVAR(Iregdummy, regnode) /* from regcomp.c */
+
+PERLVARI(Idumpindent, U16, 4) /* number of blanks per dump
+ indentation level */
+
+
+PERLVAR(Iutf8locale, bool) /* utf8 locale detected */
+PERLVARI(Irehash_seed_set, bool, FALSE) /* 582 hash initialized? */
+
+PERLVARA(Icolors,6, char *) /* from regcomp.c */
+
+PERLVARI(Ipeepp, peep_t, MEMBER_TO_FPTR(Perl_peep))
+ /* Pointer to peephole optimizer */
+
+PERLVARI(Imaxscream, I32, -1)
+PERLVARI(Ireginterp_cnt,I32, 0) /* Whether "Regexp" was interpolated. */
+PERLVARI(Iwatchaddr, char **, 0)
+PERLVAR(Iwatchok, char *)
+
+/* the currently active slab in a chain of slabs of regmatch states,
+ * and the currently active state within that slab */
-/* For historical reasons this file follows thrdvar.h into the interpeter
- struct, and that file currently ends with 7 bytes of variables, so putting
- one last byte here is good for alignment. */
+PERLVARI(Iregmatch_slab, regmatch_slab *, NULL)
+PERLVAR(Iregmatch_state, regmatch_state *)
+
+/* Put anything new that is pointer aligned here. */
+
+PERLVAR(Idelaymagic, U16) /* ($<,$>) = ... */
+PERLVAR(Ilocalizing, U8) /* are we processing a local() list? */
+PERLVAR(Icolorset, bool) /* from regcomp.c */
+PERLVARI(Idirty, bool, FALSE) /* in the middle of tearing things
+ down? */
+PERLVAR(Iin_eval, U8) /* trap "fatal" errors? */
+PERLVAR(Itainted, bool) /* using variables controlled by $< */
/* This value may be set when embedding for full cleanup */
/* 0=none, 1=full, 2=full with checks */
-PERLVARI(Iperl_destruct_level, U8, 0)
+/* mod_perl is special, and also assigns a meaning -1 */
+PERLVARI(Iperl_destruct_level, signed char, 0)
PERLVAR(Iperldb, U32)
PERLVARI(Isplitstr, const char *, " ")
PERLVAR(Iminus_c, bool)
-PERLVAR(Ipreprocess, bool)
PERLVAR(Iminus_n, bool)
PERLVAR(Iminus_p, bool)
PERLVAR(Iminus_l, bool)
PERLVAR(Iminus_a, bool)
PERLVAR(Iminus_F, bool)
PERLVAR(Idoswitches, bool)
-
PERLVAR(Iminus_E, bool)
/*
-=head1 Global Variables
=for apidoc mn|bool|PL_dowarn
PERLVAR(Isrand_called, bool)
/* Part of internal state, but makes the 16th 1 byte variable in a row. */
PERLVAR(Itainting, bool) /* doing taint checks */
+/* Space for a U8 */
PERLVAR(Iinplace, char *)
PERLVAR(Ie_script, SV *)
PERLVAR(Istatusvalue_posix,I32)
#endif
-#ifdef CSH
-PERLVARI(Icshlen, I32, 0)
-PERLVARI(Icshname, const char *, CSH)
-#endif
+PERLVARI(Isig_pending, int,0) /* Number if highest signal pending */
+PERLVAR(Ipsig_pend, int *) /* per-signal "count" of pending */
/* shortcuts to various I/O objects */
PERLVAR(Istdingv, GV *)
PERLVAR(Iargvout_stack, AV *)
/* shortcuts to regexp stuff */
-/* this one needs to be moved to thrdvar.h and accessed via
- * find_threadsv() when USE_5005THREADS */
PERLVAR(Ireplgv, GV *)
/* shortcuts to misc objects */
PERLVAR(IDBsingle, SV *)
PERLVAR(IDBtrace, SV *)
PERLVAR(IDBsignal, SV *)
-PERLVAR(Ilineary, AV *) /* lines of script for debugger */
PERLVAR(Idbargs, AV *) /* args to call listed by caller function */
/* symbol tables */
/* runtime control stuff */
PERLVARI(Icurcopdb, COP *, NULL)
-PERLVARI(Icopline, line_t, NOLINE)
-/* statics moved here for shared library purposes */
-PERLVARI(Igensym, I32, 0) /* next symbol for getsym() to define */
PERLVAR(Ifilemode, int) /* so nextargv() can preserve mode */
PERLVAR(Ilastfd, int) /* what to preserve mode on */
PERLVAR(Ioldname, char *) /* what to preserve mode on */
-PERLVAR(IArgv, char **) /* stuff to free from do_aexec, vfork safe */
+PERLVAR(IArgv, const char **) /* stuff to free from do_aexec, vfork safe */
PERLVAR(ICmd, char *) /* stuff to free from do_aexec, vfork safe */
+/* Elements in this array have ';' appended and are injected as a single line
+ into the tokeniser. You can't put any (literal) newlines into any program
+ you stuff in into this array, as the point where it's injected is expecting
+ a single physical line. */
PERLVAR(Ipreambleav, AV *)
PERLVAR(Imess_sv, SV *)
PERLVAR(Iors_sv, SV *) /* output record separator $\ */
- /* Space for one more U16 here without increasing the structure size */
-PERLVAR(Ilast_lop_op, OPCODE) /* last list operator */
-PERLVAR(Iin_my, U16) /* we're compiling a "my" (or "our") declaration */
+/* statics moved here for shared library purposes */
+PERLVARI(Igensym, I32, 0) /* next symbol for getsym() to define */
+PERLVARI(Icv_has_eval, bool, FALSE) /* PL_compcv includes an entereval or similar */
+PERLVAR(Itaint_warn, bool) /* taint warns instead of dying */
PERLVARI(Ilaststype, U16, OP_STAT)
PERLVARI(Ilaststatval, int, -1)
/* these used to be in global before 5.004_68 */
PERLVARI(Iprofiledata, U32 *, NULL) /* table of ops, counts */
-PERLVARI(Irsfp, PerlIO * VOL, NULL) /* current source file pointer */
-PERLVARI(Irsfp_filters, AV *, NULL) /* keeps active source filters */
PERLVAR(Icompiling, COP) /* compiling/done executing marker */
PERLVAR(Inomemok, bool) /* let malloc context handle nomem */
PERLVARI(Isavebegin, bool, FALSE) /* save BEGINs for compiler */
-PERLVAR(Ilinestart, char *) /* beg. of most recently read line */
-
PERLVAR(Iuid, Uid_t) /* current real user id */
PERLVAR(Ieuid, Uid_t) /* current effective user id */
PERLVAR(Igid, Gid_t) /* current real group id */
PERLVARI(Irunops, runops_proc_t, MEMBER_TO_FPTR(RUNOPS_DEFAULT))
-PERLVARA(Itokenbuf,256, char)
-
/*
=for apidoc Amn|SV|PL_sv_undef
This is the C<undef> SV. Always refer to this as C<&PL_sv_undef>.
PERLVAR(Isv_no, SV)
PERLVAR(Isv_yes, SV)
-/* What we know when we're in LEX_KNOWNEXT state. */
-#ifdef PERL_MAD
-PERLVARA(Inexttoke,5, NEXTTOKE) /* value of next token, if any */
-PERLVAR(Icurforce, I32)
-#else
-PERLVARA(Inextval,5, YYSTYPE) /* value of next token, if any */
-PERLVARA(Inexttype,5, I32) /* type of next token */
-PERLVAR(Inexttoke, I32)
-#endif
-
-PERLVAR(Ibufptr, char *)
-PERLVAR(Ioldbufptr, char *)
-PERLVAR(Ioldoldbufptr, char *)
-PERLVAR(Ibufend, char *)
-
-PERLVARI(Iexpect, U8, XSTATE) /* how to interpret ambiguous tokens */
-PERLVAR(Ilex_state, U8) /* next token is determined */
-PERLVAR(Ierror_count, U8) /* how many errors so far, max 10 */
-PERLVARI(Icv_has_eval, bool, FALSE) /* PL_compcv includes an entereval or similar */
-PERLVAR(Imulti_end, I32) /* last line of multi-line string */
-
PERLVAR(Isubname, SV *) /* name of current subroutine */
PERLVAR(Isubline, I32) /* line this subroutine began on */
PERLVAR(Ipadix, I32) /* max used index in current "register" pad */
PERLVAR(Ipadix_floor, I32) /* how low may inner block reset padix */
-PERLVAR(Ipad_reset_pending, I32) /* reset pad on next attempted alloc */
-
-PERLVAR(Ilast_uni, char *) /* position of last named-unary op */
-PERLVAR(Ilast_lop, char *) /* position of last list operator */
-PERLVAR(Iin_my_stash, HV *) /* declared class of this "my" declaration */
PERLVAR(Ihints, U32) /* pragma-tic compile-time flags */
PERLVAR(Idebug, VOL U32) /* flags given to -D switch */
+/* Perl_Ibreakable_sub_generation_ptr was too long for VMS, hence "gen" */
+PERLVARI(Ibreakable_sub_gen, U32, 0)
+
PERLVARI(Iamagic_generation, long, 0)
#ifdef USE_LOCALE_COLLATE
#endif /* USE_LOCALE_COLLATE */
-#ifdef PERL_UTF8_CACHE_ASSERT
-PERLVARI(Iutf8cache, I8, -1) /* Is the utf8 caching code enabled? */
+#if defined (PERL_UTF8_CACHE_ASSERT) || defined (DEBUGGING)
+# define PERL___I -1
#else
-PERLVARI(Iutf8cache, I8, 1) /* Is the utf8 caching code enabled? */
+# define PERL___I 1
#endif
+PERLVARI(Iutf8cache, I8, PERL___I) /* Is the utf8 caching code enabled? */
+#undef PERL___I
+
#ifdef USE_LOCALE_NUMERIC
PERLVARI(Icryptseen, bool, FALSE) /* has fast crypt() been initialized? */
#endif
+PERLVAR(Ipad_reset_pending, bool) /* reset pad on next attempted alloc */
+
PERLVARI(Iglob_index, int, 0)
PERLVAR(Ibody_arenas, void*) /* pointer to list of body-arenas */
-PERLVAR(Ipsig_pend, int *) /* per-signal "count" of pending */
-PERLVARI(Isig_pending, int,0) /* Number if highest signal pending */
-
-
-PERLVAR(Itaint_warn, bool) /* taint warns instead of dying */
-PERLVAR(Iutf8locale, bool) /* utf8 locale detected */
-PERLVARI(Ihash_seed_set, bool, FALSE) /* Hash initialized? */
-PERLVARI(Irehash_seed_set, bool, FALSE) /* 582 hash initialized? */
#ifdef USE_LOCALE_NUMERIC
#endif
#if defined(USE_ITHREADS)
-PERLVAR(Iregex_pad, SV**) /* All regex objects */
-PERLVAR(Iregex_padav, AV*) /* All regex objects */
-
+PERLVAR(Iregex_pad, SV**) /* Shortcut into the array of
+ regex_padav */
+PERLVAR(Iregex_padav, AV*) /* All regex objects, indexed via the
+ values in op_pmoffset of pmop.
+ Entry 0 is an SV whose PV is a
+ "packed" list of IVs listing
+ the now-free slots in the array */
#endif
#ifdef USE_REENTRANT_API
PERLVAR(Ireentrant_buffer, REENTR*) /* here we store the _r buffers */
#endif
-
-#ifdef PERL_MAD
-PERLVARI(Imadskills, bool, FALSE) /* preserve all syntactic info */
- /* (MAD = Misc Attribute Decoration) */
-PERLVARI(Ixmlfp, PerlIO *,NULL)
-#endif
-
PERLVAR(Icustom_op_names, HV*) /* Names of user defined ops */
PERLVAR(Icustom_op_descs, HV*) /* Descriptions of user defined ops */
PERLVAR(Idebug_pad, struct perl_debug_pad) /* always needed because of the re extension */
-#ifdef PL_OP_SLAB_ALLOC
-PERLVAR(IOpPtr,I32 **)
-PERLVARI(IOpSpace,I32,0)
-PERLVAR(IOpSlab,I32 *)
-#endif
-
PERLVAR(Iutf8_idstart, SV *)
PERLVAR(Iutf8_idcont, SV *)
PERLVARI(Ithreadhook, thrhook_proc_t, MEMBER_TO_FPTR(Perl_nothreadhook))
-/* Force inclusion of both runops options */
-PERLVARI(Irunops_std, runops_proc_t, MEMBER_TO_FPTR(Perl_runops_standard))
-PERLVARI(Irunops_dbg, runops_proc_t, MEMBER_TO_FPTR(Perl_runops_debug))
-
-/* Stores the PPID */
-#ifdef THREADS_HAVE_PIDS
-PERLVARI(Ippid, IV, 0)
-#endif
-
PERLVARI(Ihash_seed, UV, 0) /* Hash initializer */
-PERLVAR(IDBassertion, SV *)
-
PERLVARI(Irehash_seed, UV, 0) /* 582 hash initializer */
-#ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP
-/* File descriptor to talk to the child which dumps scalars. */
-PERLVARI(Idumper_fd, int, -1)
-#endif
+PERLVARI(Iisarev, HV*, NULL) /* Reverse map of @ISA dependencies */
+
+/* The last unconditional member of the interpreter structure when 5.10.0 was
+ released. The offset of the end of this is baked into a global variable in
+ any shared perl library which will allow a sanity test in future perl
+ releases. */
+#define PERL_LAST_5_10_0_INTERP_MEMBER Iisarev
#ifdef PERL_IMPLICIT_CONTEXT
PERLVARI(Imy_cxt_size, int, 0) /* size of PL_my_cxt_list */
PERLVARI(Imy_cxt_list, void **, NULL) /* per-module array of MY_CXT pointers */
-#ifdef PERL_GLOBAL_STRUCT_PRIVATE
+# ifdef PERL_GLOBAL_STRUCT_PRIVATE
PERLVARI(Imy_cxt_keys, const char **, NULL) /* per-module array of pointers to MY_CXT_KEY constants */
-#endif
+# endif
#endif
#ifdef PERL_TRACK_MEMPOOL
PERLVAR(Imemory_debug_header, struct perl_memory_debug_header)
#endif
+#ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP
+/* File descriptor to talk to the child which dumps scalars. */
+PERLVARI(Idumper_fd, int, -1)
+#endif
+
+/* Stores the PPID */
+#ifdef THREADS_HAVE_PIDS
+PERLVARI(Ippid, IV, 0)
+#endif
+
+#ifdef PERL_MAD
+PERLVARI(Imadskills, bool, FALSE) /* preserve all syntactic info */
+ /* (MAD = Misc Attribute Decoration) */
+PERLVARI(Ixmlfp, PerlIO *,NULL)
+#endif
+
+#ifdef PL_OP_SLAB_ALLOC
+PERLVAR(IOpPtr,I32 **)
+PERLVARI(IOpSpace,I32,0)
+PERLVAR(IOpSlab,I32 *)
+#endif
+
#ifdef PERL_DEBUG_READONLY_OPS
PERLVARI(Islabs, I32**, NULL) /* Array of slabs that have been allocated */
PERLVARI(Islab_count, U32, 0) /* Size of the array */
#endif
-/* If you are adding a U16, see the comment above on where there are 2 bytes
- of gap which currently will be structure padding. */
+/* Can shared object be destroyed */
+PERLVARI(Idestroyhook, destroyable_proc_t, MEMBER_TO_FPTR(Perl_sv_destroyable))
+
+#ifdef DEBUG_LEAKING_SCALARS
+PERLVARI(Isv_serial, U32, 0) /* SV serial number, used in sv.c */
+#endif
+
+/* If you are adding a U8 or U16, check to see if there are 'Space' comments
+ * above on where there are gaps which currently will be structure padding. */
/* Within a stable branch, new variables must be added to the very end, before
* this comment, for binary compatibility (the offsets of the old members must
https://perl5.git.perl.org / perl5.git / blobdiff