3 * Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
4 * 2000, 2001, 2002, 2003, 2004, 2005, by Larry Wall and others
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.
12 * "For the fashion of Minas Tirith was such that it was built on seven
16 /* This file contains functions to manipulate several of Perl's stacks;
17 * in particular it contains code to push various types of things onto
18 * the savestack, then to pop them off and perform the correct restorative
19 * action for each one. This corresponds to the cleanup Perl does at
24 #define PERL_IN_SCOPE_C
28 Perl_stack_grow(pTHX_ SV **sp, SV **p, int n)
31 #ifndef STRESS_REALLOC
32 av_extend(PL_curstack, (p - PL_stack_base) + (n) + 128);
34 av_extend(PL_curstack, (p - PL_stack_base) + (n) + 1);
39 #ifndef STRESS_REALLOC
40 #define GROW(old) ((old) * 3 / 2)
42 #define GROW(old) ((old) + 1)
46 Perl_new_stackinfo(pTHX_ I32 stitems, I32 cxitems)
49 New(56, si, 1, PERL_SI);
50 si->si_stack = newAV();
51 AvREAL_off(si->si_stack);
52 av_extend(si->si_stack, stitems > 0 ? stitems-1 : 0);
53 AvALLOC(si->si_stack)[0] = &PL_sv_undef;
54 AvFILLp(si->si_stack) = 0;
57 si->si_cxmax = cxitems - 1;
59 si->si_type = PERLSI_UNDEF;
60 New(56, si->si_cxstack, cxitems, PERL_CONTEXT);
61 /* Without any kind of initialising PUSHSUBST()
62 * in pp_subst() will read uninitialised heap. */
63 Poison(si->si_cxstack, cxitems, PERL_CONTEXT);
70 const IV old_max = cxstack_max;
71 cxstack_max = GROW(cxstack_max);
72 Renew(cxstack, cxstack_max + 1, PERL_CONTEXT); /* XXX should fix CXINC macro */
73 /* Without any kind of initialising deep enough recursion
74 * will end up reading uninitialised PERL_CONTEXTs. */
75 Poison(cxstack + old_max + 1, cxstack_max - old_max, PERL_CONTEXT);
76 return cxstack_ix + 1;
82 if (PL_scopestack_ix == PL_scopestack_max) {
83 PL_scopestack_max = GROW(PL_scopestack_max);
84 Renew(PL_scopestack, PL_scopestack_max, I32);
86 PL_scopestack[PL_scopestack_ix++] = PL_savestack_ix;
93 const I32 oldsave = PL_scopestack[--PL_scopestack_ix];
98 Perl_markstack_grow(pTHX)
100 const I32 oldmax = PL_markstack_max - PL_markstack;
101 const I32 newmax = GROW(oldmax);
103 Renew(PL_markstack, newmax, I32);
104 PL_markstack_ptr = PL_markstack + oldmax;
105 PL_markstack_max = PL_markstack + newmax;
109 Perl_savestack_grow(pTHX)
111 PL_savestack_max = GROW(PL_savestack_max) + 4;
112 Renew(PL_savestack, PL_savestack_max, ANY);
116 Perl_savestack_grow_cnt(pTHX_ I32 need)
118 PL_savestack_max = PL_savestack_ix + need;
119 Renew(PL_savestack, PL_savestack_max, ANY);
125 Perl_tmps_grow(pTHX_ I32 n)
127 #ifndef STRESS_REALLOC
129 n = (PL_tmps_max < 512) ? 128 : 512;
131 PL_tmps_max = PL_tmps_ix + n + 1;
132 Renew(PL_tmps_stack, PL_tmps_max, SV*);
139 /* XXX should tmps_floor live in cxstack? */
140 const I32 myfloor = PL_tmps_floor;
141 while (PL_tmps_ix > myfloor) { /* clean up after last statement */
142 SV* const sv = PL_tmps_stack[PL_tmps_ix];
143 PL_tmps_stack[PL_tmps_ix--] = Nullsv;
144 if (sv && sv != &PL_sv_undef) {
146 SvREFCNT_dec(sv); /* note, can modify tmps_ix!!! */
152 S_save_scalar_at(pTHX_ SV **sptr)
154 SV * const osv = *sptr;
155 register SV * const sv = *sptr = NEWSV(0,0);
157 if (SvTYPE(osv) >= SVt_PVMG && SvMAGIC(osv) && SvTYPE(osv) != SVt_PVGV) {
158 if (SvGMAGICAL(osv)) {
159 const bool oldtainted = PL_tainted;
160 SvFLAGS(osv) |= (SvFLAGS(osv) &
161 (SVp_NOK|SVp_POK)) >> PRIVSHIFT;
162 PL_tainted = oldtainted;
164 mg_localize(osv, sv);
170 Perl_save_scalar(pTHX_ GV *gv)
172 SV **sptr = &GvSV(gv);
175 SSPUSHPTR(SvREFCNT_inc(gv));
176 SSPUSHPTR(SvREFCNT_inc(*sptr));
178 return save_scalar_at(sptr);
182 Perl_save_svref(pTHX_ SV **sptr)
187 SSPUSHPTR(SvREFCNT_inc(*sptr));
188 SSPUSHINT(SAVEt_SVREF);
189 return save_scalar_at(sptr);
192 /* Like save_sptr(), but also SvREFCNT_dec()s the new value. Can be used to
193 * restore a global SV to its prior contents, freeing new value. */
195 Perl_save_generic_svref(pTHX_ SV **sptr)
199 SSPUSHPTR(SvREFCNT_inc(*sptr));
200 SSPUSHINT(SAVEt_GENERIC_SVREF);
203 /* Like save_pptr(), but also Safefree()s the new value if it is different
204 * from the old one. Can be used to restore a global char* to its prior
205 * contents, freeing new value. */
207 Perl_save_generic_pvref(pTHX_ char **str)
212 SSPUSHINT(SAVEt_GENERIC_PVREF);
215 /* Like save_generic_pvref(), but uses PerlMemShared_free() rather than Safefree().
216 * Can be used to restore a shared global char* to its prior
217 * contents, freeing new value. */
219 Perl_save_shared_pvref(pTHX_ char **str)
224 SSPUSHINT(SAVEt_SHARED_PVREF);
227 /* set the SvFLAGS specified by mask to the values in val */
230 Perl_save_set_svflags(pTHX_ SV* sv, U32 mask, U32 val)
236 SSPUSHINT(SAVEt_SET_SVFLAGS);
240 Perl_save_gp(pTHX_ GV *gv, I32 empty)
243 SSPUSHIV((IV)SvLEN(gv));
244 SvLEN_set(gv, 0); /* forget that anything was allocated here */
245 SSPUSHIV((IV)SvCUR(gv));
246 SSPUSHPTR(SvPVX_const(gv));
248 SSPUSHPTR(SvREFCNT_inc(gv));
255 Newz(602, gp, 1, GP);
258 PL_sub_generation++; /* taking a method out of circulation */
259 if (GvIOp(gv) && (IoFLAGS(GvIOp(gv)) & IOf_ARGV)) {
261 IoFLAGS(gp->gp_io) |= IOf_ARGV|IOf_START;
263 GvGP(gv) = gp_ref(gp);
264 GvSV(gv) = NEWSV(72,0);
265 GvLINE(gv) = CopLINE(PL_curcop);
266 /* XXX Ideally this cast would be replaced with a change to const char*
268 GvFILE(gv) = CopFILE(PL_curcop) ? CopFILE(PL_curcop) : (char *) "";
278 Perl_save_ary(pTHX_ GV *gv)
280 AV * const oav = GvAVn(gv);
283 if (!AvREAL(oav) && AvREIFY(oav))
290 GvAV(gv) = Null(AV*);
293 mg_localize((SV*)oav, (SV*)av);
298 Perl_save_hash(pTHX_ GV *gv)
304 SSPUSHPTR(ohv = GvHVn(gv));
307 GvHV(gv) = Null(HV*);
310 mg_localize((SV*)ohv, (SV*)hv);
315 Perl_save_item(pTHX_ register SV *item)
317 register SV * const sv = newSVsv(item);
320 SSPUSHPTR(item); /* remember the pointer */
321 SSPUSHPTR(sv); /* remember the value */
322 SSPUSHINT(SAVEt_ITEM);
326 Perl_save_int(pTHX_ int *intp)
331 SSPUSHINT(SAVEt_INT);
335 Perl_save_long(pTHX_ long int *longp)
340 SSPUSHINT(SAVEt_LONG);
344 Perl_save_bool(pTHX_ bool *boolp)
349 SSPUSHINT(SAVEt_BOOL);
353 Perl_save_I32(pTHX_ I32 *intp)
358 SSPUSHINT(SAVEt_I32);
362 Perl_save_I16(pTHX_ I16 *intp)
367 SSPUSHINT(SAVEt_I16);
371 Perl_save_I8(pTHX_ I8 *bytep)
380 Perl_save_iv(pTHX_ IV *ivp)
388 /* Cannot use save_sptr() to store a char* since the SV** cast will
389 * force word-alignment and we'll miss the pointer.
392 Perl_save_pptr(pTHX_ char **pptr)
397 SSPUSHINT(SAVEt_PPTR);
401 Perl_save_vptr(pTHX_ void *ptr)
404 SSPUSHPTR(*(char**)ptr);
406 SSPUSHINT(SAVEt_VPTR);
410 Perl_save_sptr(pTHX_ SV **sptr)
415 SSPUSHINT(SAVEt_SPTR);
419 Perl_save_padsv(pTHX_ PADOFFSET off)
422 ASSERT_CURPAD_ACTIVE("save_padsv");
423 SSPUSHPTR(PL_curpad[off]);
424 SSPUSHPTR(PL_comppad);
425 SSPUSHLONG((long)off);
426 SSPUSHINT(SAVEt_PADSV);
430 Perl_save_threadsv(pTHX_ PADOFFSET i)
432 Perl_croak(aTHX_ "panic: save_threadsv called in non-threaded perl");
434 NORETURN_FUNCTION_END;
438 Perl_save_nogv(pTHX_ GV *gv)
442 SSPUSHINT(SAVEt_NSTAB);
446 Perl_save_hptr(pTHX_ HV **hptr)
451 SSPUSHINT(SAVEt_HPTR);
455 Perl_save_aptr(pTHX_ AV **aptr)
460 SSPUSHINT(SAVEt_APTR);
464 Perl_save_freesv(pTHX_ SV *sv)
468 SSPUSHINT(SAVEt_FREESV);
472 Perl_save_mortalizesv(pTHX_ SV *sv)
476 SSPUSHINT(SAVEt_MORTALIZESV);
480 Perl_save_freeop(pTHX_ OP *o)
484 SSPUSHINT(SAVEt_FREEOP);
488 Perl_save_freepv(pTHX_ char *pv)
492 SSPUSHINT(SAVEt_FREEPV);
496 Perl_save_clearsv(pTHX_ SV **svp)
498 ASSERT_CURPAD_ACTIVE("save_clearsv");
500 SSPUSHLONG((long)(svp-PL_curpad));
501 SSPUSHINT(SAVEt_CLEARSV);
502 SvPADSTALE_off(*svp); /* mark lexical as active */
506 Perl_save_delete(pTHX_ HV *hv, char *key, I32 klen)
511 SSPUSHPTR(SvREFCNT_inc(hv));
512 SSPUSHINT(SAVEt_DELETE);
516 Perl_save_list(pTHX_ register SV **sarg, I32 maxsarg)
520 for (i = 1; i <= maxsarg; i++) {
521 register SV * const sv = NEWSV(0,0);
522 sv_setsv(sv,sarg[i]);
524 SSPUSHPTR(sarg[i]); /* remember the pointer */
525 SSPUSHPTR(sv); /* remember the value */
526 SSPUSHINT(SAVEt_ITEM);
531 Perl_save_destructor(pTHX_ DESTRUCTORFUNC_NOCONTEXT_t f, void* p)
536 SSPUSHINT(SAVEt_DESTRUCTOR);
540 Perl_save_destructor_x(pTHX_ DESTRUCTORFUNC_t f, void* p)
545 SSPUSHINT(SAVEt_DESTRUCTOR_X);
549 Perl_save_aelem(pTHX_ const AV *av, I32 idx, SV **sptr)
554 SSPUSHPTR(SvREFCNT_inc(av));
556 SSPUSHPTR(SvREFCNT_inc(*sptr));
557 SSPUSHINT(SAVEt_AELEM);
558 /* if it gets reified later, the restore will have the wrong refcnt */
559 if (!AvREAL(av) && AvREIFY(av))
560 (void)SvREFCNT_inc(*sptr);
561 save_scalar_at(sptr);
563 /* If we're localizing a tied array element, this new sv
564 * won't actually be stored in the array - so it won't get
565 * reaped when the localize ends. Ensure it gets reaped by
566 * mortifying it instead. DAPM */
567 if (SvTIED_mg(sv, PERL_MAGIC_tiedelem))
572 Perl_save_helem(pTHX_ HV *hv, SV *key, SV **sptr)
577 SSPUSHPTR(SvREFCNT_inc(hv));
578 SSPUSHPTR(SvREFCNT_inc(key));
579 SSPUSHPTR(SvREFCNT_inc(*sptr));
580 SSPUSHINT(SAVEt_HELEM);
581 save_scalar_at(sptr);
583 /* If we're localizing a tied hash element, this new sv
584 * won't actually be stored in the hash - so it won't get
585 * reaped when the localize ends. Ensure it gets reaped by
586 * mortifying it instead. DAPM */
587 if (SvTIED_mg(sv, PERL_MAGIC_tiedelem))
600 Perl_save_alloc(pTHX_ I32 size, I32 pad)
602 register const I32 start = pad + ((char*)&PL_savestack[PL_savestack_ix]
603 - (char*)PL_savestack);
604 register const I32 elems = 1 + ((size + pad - 1) / sizeof(*PL_savestack));
606 /* SSCHECK may not be good enough */
607 while (PL_savestack_ix + elems + 2 > PL_savestack_max)
610 PL_savestack_ix += elems;
612 SSPUSHINT(SAVEt_ALLOC);
617 Perl_leave_scope(pTHX_ I32 base)
629 Perl_croak(aTHX_ "panic: corrupt saved stack index");
630 while (PL_savestack_ix > base) {
632 case SAVEt_ITEM: /* normal string */
633 value = (SV*)SSPOPPTR;
635 sv_replace(sv,value);
640 case SAVEt_SV: /* scalar reference */
641 value = (SV*)SSPOPPTR;
644 av = (AV*)gv; /* what to refcnt_dec */
646 case SAVEt_GENERIC_PVREF: /* generic pv */
647 str = (char*)SSPOPPTR;
649 if (*(char**)ptr != str) {
650 Safefree(*(char**)ptr);
654 case SAVEt_SHARED_PVREF: /* shared pv */
655 str = (char*)SSPOPPTR;
657 if (*(char**)ptr != str) {
659 PerlMem_free(*(char**)ptr);
661 PerlMemShared_free(*(char**)ptr);
666 case SAVEt_GENERIC_SVREF: /* generic sv */
667 value = (SV*)SSPOPPTR;
674 case SAVEt_SVREF: /* scalar reference */
675 value = (SV*)SSPOPPTR;
677 av = Nullav; /* what to refcnt_dec */
680 DEBUG_S(PerlIO_printf(Perl_debug_log,
681 "restore svref: %p %p:%s -> %p:%s\n",
682 ptr, sv, SvPEEK(sv), value, SvPEEK(value)));
689 if (av) /* actually an av, hv or gv */
692 case SAVEt_AV: /* array reference */
696 AV * const goner = GvAV(gv);
697 /* FIXME - this is a temporary hack until we work out what
698 the correct behaviour for magic should be. */
699 sv_unmagic((SV*)goner, PERL_MAGIC_arylen_p);
700 SvMAGIC_set(av, SvMAGIC(goner));
701 SvFLAGS((SV*)av) |= SvMAGICAL(goner);
702 SvMAGICAL_off(goner);
703 SvMAGIC_set(goner, NULL);
713 case SAVEt_HV: /* hash reference */
717 HV * const goner = GvHV(gv);
718 SvMAGIC_set(hv, SvMAGIC(goner));
719 SvFLAGS(hv) |= SvMAGICAL(goner);
720 SvMAGICAL_off(goner);
721 SvMAGIC_set(goner, NULL);
731 case SAVEt_INT: /* int reference */
733 *(int*)ptr = (int)SSPOPINT;
735 case SAVEt_LONG: /* long reference */
737 *(long*)ptr = (long)SSPOPLONG;
739 case SAVEt_BOOL: /* bool reference */
741 *(bool*)ptr = (bool)SSPOPBOOL;
743 case SAVEt_I32: /* I32 reference */
745 *(I32*)ptr = (I32)SSPOPINT;
747 case SAVEt_I16: /* I16 reference */
749 *(I16*)ptr = (I16)SSPOPINT;
751 case SAVEt_I8: /* I8 reference */
753 *(I8*)ptr = (I8)SSPOPINT;
755 case SAVEt_IV: /* IV reference */
757 *(IV*)ptr = (IV)SSPOPIV;
759 case SAVEt_SPTR: /* SV* reference */
761 *(SV**)ptr = (SV*)SSPOPPTR;
763 case SAVEt_VPTR: /* random* reference */
764 case SAVEt_PPTR: /* char* reference */
766 *(char**)ptr = (char*)SSPOPPTR;
768 case SAVEt_HPTR: /* HV* reference */
770 *(HV**)ptr = (HV*)SSPOPPTR;
772 case SAVEt_APTR: /* AV* reference */
774 *(AV**)ptr = (AV*)SSPOPPTR;
778 (void)sv_clear((SV*)gv);
780 case SAVEt_GP: /* scalar reference */
783 if (SvPVX_const(gv) && SvLEN(gv) > 0) {
784 Safefree(SvPVX_mutable(gv));
786 SvPV_set(gv, (char *)SSPOPPTR);
787 SvCUR_set(gv, (STRLEN)SSPOPIV);
788 SvLEN_set(gv, (STRLEN)SSPOPIV);
792 PL_sub_generation++; /* putting a method back into circulation */
797 SvREFCNT_dec((SV*)ptr);
799 case SAVEt_MORTALIZESV:
801 sv_2mortal((SV*)ptr);
805 ASSERT_CURPAD_LEGAL("SAVEt_FREEOP"); /* XXX DAPM tmp */
813 ptr = (void*)&PL_curpad[SSPOPLONG];
816 DEBUG_Xv(PerlIO_printf(Perl_debug_log,
817 "Pad 0x%"UVxf"[0x%"UVxf"] clearsv: %ld sv=0x%"UVxf"<%"IVdf"> %s\n",
818 PTR2UV(PL_comppad), PTR2UV(PL_curpad),
819 (long)((SV **)ptr-PL_curpad), PTR2UV(sv), (IV)SvREFCNT(sv),
820 (SvREFCNT(sv) <= 1 && !SvOBJECT(sv)) ? "clear" : "abandon"
823 /* Can clear pad variable in place? */
824 if (SvREFCNT(sv) <= 1 && !SvOBJECT(sv)) {
826 * if a my variable that was made readonly is going out of
827 * scope, we want to remove the readonlyness so that it can
828 * go out of scope quietly
830 if (SvPADMY(sv) && !SvFAKE(sv))
833 if (SvTHINKFIRST(sv))
834 sv_force_normal_flags(sv, SV_IMMEDIATE_UNREF);
838 switch (SvTYPE(sv)) {
848 Perl_croak(aTHX_ "panic: leave_scope pad code");
853 SvPADSTALE_on(sv); /* mark as no longer live */
855 else { /* Someone has a claim on this, so abandon it. */
856 const U32 padflags = SvFLAGS(sv) & (SVs_PADMY|SVs_PADTMP);
857 switch (SvTYPE(sv)) { /* Console ourselves with a new value */
858 case SVt_PVAV: *(SV**)ptr = (SV*)newAV(); break;
859 case SVt_PVHV: *(SV**)ptr = (SV*)newHV(); break;
860 default: *(SV**)ptr = NEWSV(0,0); break;
862 SvREFCNT_dec(sv); /* Cast current value to the winds. */
863 /* preserve pad nature, but also mark as not live
864 * for any closure capturing */
865 SvFLAGS(*(SV**)ptr) |= padflags | SVs_PADSTALE;
872 (void)hv_delete(hv, (char*)ptr, (U32)SSPOPINT, G_DISCARD);
876 case SAVEt_DESTRUCTOR:
880 case SAVEt_DESTRUCTOR_X:
882 (*SSPOPDXPTR)(aTHX_ ptr);
884 case SAVEt_REGCONTEXT:
887 PL_savestack_ix -= i; /* regexp must have croaked */
889 case SAVEt_STACK_POS: /* Position on Perl stack */
891 PL_stack_sp = PL_stack_base + i;
893 case SAVEt_AELEM: /* array element */
894 value = (SV*)SSPOPPTR;
897 if (!AvREAL(av) && AvREIFY(av)) /* undo reify guard */
899 ptr = av_fetch(av,i,1);
902 if (sv && sv != &PL_sv_undef) {
903 if (SvTIED_mg((SV*)av, PERL_MAGIC_tied))
904 (void)SvREFCNT_inc(sv);
911 case SAVEt_HELEM: /* hash element */
912 value = (SV*)SSPOPPTR;
915 ptr = hv_fetch_ent(hv, sv, 1, 0);
917 const SV * const oval = HeVAL((HE*)ptr);
918 if (oval && oval != &PL_sv_undef) {
919 ptr = &HeVAL((HE*)ptr);
920 if (SvTIED_mg((SV*)hv, PERL_MAGIC_tied))
921 (void)SvREFCNT_inc(*(SV**)ptr);
923 av = (AV*)hv; /* what to refcnt_dec */
932 PL_op = (OP*)SSPOPPTR;
935 if ((PL_hints & HINT_LOCALIZE_HH) && GvHV(PL_hintgv)) {
936 SvREFCNT_dec((SV*)GvHV(PL_hintgv));
937 GvHV(PL_hintgv) = NULL;
939 *(I32*)&PL_hints = (I32)SSPOPINT;
940 if (PL_hints & HINT_LOCALIZE_HH) {
941 SvREFCNT_dec((SV*)GvHV(PL_hintgv));
942 GvHV(PL_hintgv) = (HV*)SSPOPPTR;
947 PL_comppad = (PAD*)SSPOPPTR;
949 PL_curpad = AvARRAY(PL_comppad);
951 PL_curpad = Null(SV**);
955 const PADOFFSET off = (PADOFFSET)SSPOPLONG;
958 AvARRAY((PAD*)ptr)[off] = (SV*)SSPOPPTR;
961 case SAVEt_SAVESWITCHSTACK:
964 AV* t = (AV*)SSPOPPTR;
965 AV* f = (AV*)SSPOPPTR;
967 PL_curstackinfo->si_stack = f;
970 case SAVEt_SET_SVFLAGS:
972 const U32 val = (U32)SSPOPINT;
973 const U32 mask = (U32)SSPOPINT;
975 SvFLAGS(sv) &= ~mask;
980 Perl_croak(aTHX_ "panic: leave_scope inconsistency");
986 Perl_cx_dump(pTHX_ PERL_CONTEXT *cx)
989 PerlIO_printf(Perl_debug_log, "CX %ld = %s\n", (long)(cx - cxstack), PL_block_type[CxTYPE(cx)]);
990 if (CxTYPE(cx) != CXt_SUBST) {
991 PerlIO_printf(Perl_debug_log, "BLK_OLDSP = %ld\n", (long)cx->blk_oldsp);
992 PerlIO_printf(Perl_debug_log, "BLK_OLDCOP = 0x%"UVxf"\n",
993 PTR2UV(cx->blk_oldcop));
994 PerlIO_printf(Perl_debug_log, "BLK_OLDMARKSP = %ld\n", (long)cx->blk_oldmarksp);
995 PerlIO_printf(Perl_debug_log, "BLK_OLDSCOPESP = %ld\n", (long)cx->blk_oldscopesp);
996 PerlIO_printf(Perl_debug_log, "BLK_OLDPM = 0x%"UVxf"\n",
997 PTR2UV(cx->blk_oldpm));
998 PerlIO_printf(Perl_debug_log, "BLK_GIMME = %s\n", cx->blk_gimme ? "LIST" : "SCALAR");
1000 switch (CxTYPE(cx)) {
1005 PerlIO_printf(Perl_debug_log, "BLK_SUB.CV = 0x%"UVxf"\n",
1006 PTR2UV(cx->blk_sub.cv));
1007 PerlIO_printf(Perl_debug_log, "BLK_SUB.GV = 0x%"UVxf"\n",
1008 PTR2UV(cx->blk_sub.gv));
1009 PerlIO_printf(Perl_debug_log, "BLK_SUB.DFOUTGV = 0x%"UVxf"\n",
1010 PTR2UV(cx->blk_sub.dfoutgv));
1011 PerlIO_printf(Perl_debug_log, "BLK_SUB.HASARGS = %d\n",
1012 (int)cx->blk_sub.hasargs);
1013 PerlIO_printf(Perl_debug_log, "BLK_SUB.RETOP = 0x%"UVxf"\n",
1014 PTR2UV(cx->blk_sub.retop));
1017 PerlIO_printf(Perl_debug_log, "BLK_SUB.CV = 0x%"UVxf"\n",
1018 PTR2UV(cx->blk_sub.cv));
1019 PerlIO_printf(Perl_debug_log, "BLK_SUB.OLDDEPTH = %ld\n",
1020 (long)cx->blk_sub.olddepth);
1021 PerlIO_printf(Perl_debug_log, "BLK_SUB.HASARGS = %d\n",
1022 (int)cx->blk_sub.hasargs);
1023 PerlIO_printf(Perl_debug_log, "BLK_SUB.LVAL = %d\n",
1024 (int)cx->blk_sub.lval);
1025 PerlIO_printf(Perl_debug_log, "BLK_SUB.RETOP = 0x%"UVxf"\n",
1026 PTR2UV(cx->blk_sub.retop));
1029 PerlIO_printf(Perl_debug_log, "BLK_EVAL.OLD_IN_EVAL = %ld\n",
1030 (long)cx->blk_eval.old_in_eval);
1031 PerlIO_printf(Perl_debug_log, "BLK_EVAL.OLD_OP_TYPE = %s (%s)\n",
1032 PL_op_name[cx->blk_eval.old_op_type],
1033 PL_op_desc[cx->blk_eval.old_op_type]);
1034 if (cx->blk_eval.old_namesv)
1035 PerlIO_printf(Perl_debug_log, "BLK_EVAL.OLD_NAME = %s\n",
1036 SvPVX_const(cx->blk_eval.old_namesv));
1037 PerlIO_printf(Perl_debug_log, "BLK_EVAL.OLD_EVAL_ROOT = 0x%"UVxf"\n",
1038 PTR2UV(cx->blk_eval.old_eval_root));
1039 PerlIO_printf(Perl_debug_log, "BLK_EVAL.RETOP = 0x%"UVxf"\n",
1040 PTR2UV(cx->blk_eval.retop));
1044 PerlIO_printf(Perl_debug_log, "BLK_LOOP.LABEL = %s\n",
1045 cx->blk_loop.label);
1046 PerlIO_printf(Perl_debug_log, "BLK_LOOP.RESETSP = %ld\n",
1047 (long)cx->blk_loop.resetsp);
1048 PerlIO_printf(Perl_debug_log, "BLK_LOOP.REDO_OP = 0x%"UVxf"\n",
1049 PTR2UV(cx->blk_loop.redo_op));
1050 PerlIO_printf(Perl_debug_log, "BLK_LOOP.NEXT_OP = 0x%"UVxf"\n",
1051 PTR2UV(cx->blk_loop.next_op));
1052 PerlIO_printf(Perl_debug_log, "BLK_LOOP.LAST_OP = 0x%"UVxf"\n",
1053 PTR2UV(cx->blk_loop.last_op));
1054 PerlIO_printf(Perl_debug_log, "BLK_LOOP.ITERIX = %ld\n",
1055 (long)cx->blk_loop.iterix);
1056 PerlIO_printf(Perl_debug_log, "BLK_LOOP.ITERARY = 0x%"UVxf"\n",
1057 PTR2UV(cx->blk_loop.iterary));
1058 PerlIO_printf(Perl_debug_log, "BLK_LOOP.ITERVAR = 0x%"UVxf"\n",
1059 PTR2UV(CxITERVAR(cx)));
1061 PerlIO_printf(Perl_debug_log, "BLK_LOOP.ITERSAVE = 0x%"UVxf"\n",
1062 PTR2UV(cx->blk_loop.itersave));
1063 PerlIO_printf(Perl_debug_log, "BLK_LOOP.ITERLVAL = 0x%"UVxf"\n",
1064 PTR2UV(cx->blk_loop.iterlval));
1068 PerlIO_printf(Perl_debug_log, "SB_ITERS = %ld\n",
1069 (long)cx->sb_iters);
1070 PerlIO_printf(Perl_debug_log, "SB_MAXITERS = %ld\n",
1071 (long)cx->sb_maxiters);
1072 PerlIO_printf(Perl_debug_log, "SB_RFLAGS = %ld\n",
1073 (long)cx->sb_rflags);
1074 PerlIO_printf(Perl_debug_log, "SB_ONCE = %ld\n",
1076 PerlIO_printf(Perl_debug_log, "SB_ORIG = %s\n",
1078 PerlIO_printf(Perl_debug_log, "SB_DSTR = 0x%"UVxf"\n",
1079 PTR2UV(cx->sb_dstr));
1080 PerlIO_printf(Perl_debug_log, "SB_TARG = 0x%"UVxf"\n",
1081 PTR2UV(cx->sb_targ));
1082 PerlIO_printf(Perl_debug_log, "SB_S = 0x%"UVxf"\n",
1084 PerlIO_printf(Perl_debug_log, "SB_M = 0x%"UVxf"\n",
1086 PerlIO_printf(Perl_debug_log, "SB_STREND = 0x%"UVxf"\n",
1087 PTR2UV(cx->sb_strend));
1088 PerlIO_printf(Perl_debug_log, "SB_RXRES = 0x%"UVxf"\n",
1089 PTR2UV(cx->sb_rxres));
1092 #endif /* DEBUGGING */
1097 * c-indentation-style: bsd
1099 * indent-tabs-mode: t
1102 * ex: set ts=8 sts=4 sw=4 noet: