typedef int comment_t;
typedef SV *svindex;
typedef OP *opindex;
-typedef IV IV64;
+typedef char *pvindex;
#define BGET_FREAD(argp, len, nelem) \
- PerlIO_read(PL_rsfp,(char*)(argp),(len)*(nelem))
-#define BGET_FGETC() PerlIO_getc(PL_rsfp)
+ bl_read(bstate->bs_fdata,(char*)(argp),(len),(nelem))
+#define BGET_FGETC() bl_getc(bstate->bs_fdata)
-#define BGET_U32(arg) \
- BGET_FREAD(&arg, sizeof(U32), 1)
-#define BGET_I32(arg) \
- BGET_FREAD(&arg, sizeof(I32), 1)
-#define BGET_U16(arg) \
- BGET_FREAD(&arg, sizeof(U16), 1)
-#define BGET_U8(arg) arg = BGET_FGETC()
+/* all this should be made endianness-agnostic */
+
+#define BGET_U8(arg) STMT_START { \
+ const int _arg = BGET_FGETC(); \
+ if (_arg < 0) { \
+ Perl_croak(aTHX_ \
+ "EOF or error while trying to read 1 byte for U8"); \
+ } \
+ arg = (U8) _arg; \
+ } STMT_END
+
+#define BGET_U16(arg) BGET_OR_CROAK(arg, U16)
+#define BGET_I32(arg) BGET_OR_CROAK(arg, U32)
+#define BGET_U32(arg) BGET_OR_CROAK(arg, U32)
+#define BGET_IV(arg) BGET_OR_CROAK(arg, UV)
+#define BGET_PADOFFSET(arg) BGET_OR_CROAK(arg, UV)
+#define BGET_long(arg) BGET_OR_CROAK(arg, long)
+
+#define BGET_OR_CROAK(arg, type) STMT_START { \
+ if (BGET_FREAD(&arg, sizeof(type), 1) < 1) { \
+ Perl_croak(aTHX_ \
+ "EOF or error while trying to read %d bytes for %s", \
+ sizeof(type), STRINGIFY(type)); \
+ } \
+ } STMT_END
#define BGET_PV(arg) STMT_START { \
BGET_U32(arg); \
if (arg) { \
- New(666, bytecode_pv.xpv_pv, arg, char); \
- PerlIO_read(PL_rsfp, (void*)bytecode_pv.xpv_pv, arg); \
- bytecode_pv.xpv_len = arg; \
- bytecode_pv.xpv_cur = arg - 1; \
+ Newx(bstate->bs_pv.pvx, arg, char); \
+ bl_read(bstate->bs_fdata, bstate->bs_pv.pvx, arg, 1); \
+ bstate->bs_pv.xpv.xpv_len = arg; \
+ bstate->bs_pv.xpv.xpv_cur = arg - 1; \
} else { \
- bytecode_pv.xpv_pv = 0; \
- bytecode_pv.xpv_len = 0; \
- bytecode_pv.xpv_cur = 0; \
+ bstate->bs_pv.pvx = 0; \
+ bstate->bs_pv.xpv.xpv_len = 0; \
+ bstate->bs_pv.xpv.xpv_cur = 0; \
} \
} STMT_END
do { arg = BGET_FGETC(); } while (arg != '\n' && arg != EOF)
#endif
-/*
- * In the following, sizeof(IV)*4 is just a way of encoding 32 on 64-bit-IV
- * machines such that 32-bit machine compilers don't whine about the shift
- * count being too high even though the code is never reached there.
- */
-#define BGET_IV64(arg) STMT_START { \
- U32 hi, lo; \
- BGET_U32(hi); \
- BGET_U32(lo); \
- if (sizeof(IV) == 8) \
- arg = ((IV)hi << (sizeof(IV)*4) | (IV)lo); \
- else if (((I32)hi == -1 && (I32)lo < 0) \
- || ((I32)hi == 0 && (I32)lo >= 0)) { \
- arg = (I32)lo; \
- } \
- else { \
- bytecode_iv_overflows++; \
- arg = 0; \
- } \
- } STMT_END
#define BGET_op_tr_array(arg) do { \
- unsigned short *ary; \
- int i; \
- New(666, ary, 256, unsigned short); \
- BGET_FREAD(ary, sizeof(unsigned short), 256); \
+ unsigned short *ary, len; \
+ BGET_U16(len); \
+ Newx(ary, len, unsigned short); \
+ BGET_FREAD(ary, sizeof(unsigned short), len); \
arg = (char *) ary; \
} while (0)
-#define BGET_pvcontents(arg) arg = bytecode_pv.xpv_pv
+#define BGET_pvcontents(arg) arg = bstate->bs_pv.pvx
#define BGET_strconst(arg) STMT_START { \
for (arg = PL_tokenbuf; (*arg = BGET_FGETC()); arg++) /* nothing */; \
arg = PL_tokenbuf; \
} STMT_END
#define BGET_objindex(arg, type) STMT_START { \
- U32 ix; \
BGET_U32(ix); \
- arg = (type)bytecode_obj_list[ix]; \
+ arg = (type)bstate->bs_obj_list[ix]; \
} STMT_END
#define BGET_svindex(arg) BGET_objindex(arg, svindex)
#define BGET_opindex(arg) BGET_objindex(arg, opindex)
+#define BGET_pvindex(arg) STMT_START { \
+ BGET_objindex(arg, pvindex); \
+ arg = arg ? savepv(arg) : arg; \
+ } STMT_END
+
+#define BSET_ldspecsv(sv, arg) STMT_START { \
+ if(arg >= sizeof(specialsv_list) / sizeof(specialsv_list[0])) { \
+ Perl_croak(aTHX_ "Out of range special SV number %d", arg); \
+ } \
+ sv = specialsv_list[arg]; \
+ } STMT_END
+
+#define BSET_ldspecsvx(sv, arg) STMT_START { \
+ BSET_ldspecsv(sv, arg); \
+ BSET_OBJ_STOREX(sv); \
+ } STMT_END
-#define BSET_ldspecsv(sv, arg) sv = specialsv_list[arg]
+#define BSET_stpv(pv, arg) STMT_START { \
+ BSET_OBJ_STORE(pv, arg); \
+ SAVEFREEPV(pv); \
+ } STMT_END
#define BSET_sv_refcnt_add(svrefcnt, arg) svrefcnt += arg
#define BSET_gp_refcnt_add(gprefcnt, arg) gprefcnt += arg
} STMT_END
#define BSET_gv_fetchpv(sv, arg) sv = (SV*)gv_fetchpv(arg, TRUE, SVt_PV)
+#define BSET_gv_fetchpvx(sv, arg) STMT_START { \
+ BSET_gv_fetchpv(sv, arg); \
+ BSET_OBJ_STOREX(sv); \
+ } STMT_END
+
#define BSET_gv_stashpv(sv, arg) sv = (SV*)gv_stashpv(arg, TRUE)
+#define BSET_gv_stashpvx(sv, arg) STMT_START { \
+ BSET_gv_stashpv(sv, arg); \
+ BSET_OBJ_STOREX(sv); \
+ } STMT_END
+
#define BSET_sv_magic(sv, arg) sv_magic(sv, Nullsv, arg, 0, 0)
-#define BSET_mg_pv(mg, arg) mg->mg_ptr = arg; mg->mg_len = bytecode_pv.xpv_cur
+#define BSET_mg_name(mg, arg) mg->mg_ptr = arg; mg->mg_len = bstate->bs_pv.xpv.xpv_cur
+#define BSET_mg_namex(mg, arg) \
+ (mg->mg_ptr = (char*)SvREFCNT_inc((SV*)arg), \
+ mg->mg_len = HEf_SVKEY)
+#define BSET_xmg_stash(sv, arg) *(SV**)&(((XPVMG*)SvANY(sv))->xmg_stash) = (arg)
#define BSET_sv_upgrade(sv, arg) (void)SvUPGRADE(sv, arg)
+#define BSET_xrv(sv, arg) SvRV_set(sv, arg)
#define BSET_xpv(sv) do { \
- SvPV_set(sv, bytecode_pv.xpv_pv); \
- SvCUR_set(sv, bytecode_pv.xpv_cur); \
- SvLEN_set(sv, bytecode_pv.xpv_len); \
+ SvPV_set(sv, bstate->bs_pv.pvx); \
+ SvCUR_set(sv, bstate->bs_pv.xpv.xpv_cur); \
+ SvLEN_set(sv, bstate->bs_pv.xpv.xpv_len); \
} while (0)
+#define BSET_xpv_cur(sv, arg) SvCUR_set(sv, arg)
+#define BSET_xpv_len(sv, arg) SvLEN_set(sv, arg)
+#define BSET_xiv(sv, arg) SvIV_set(sv, arg)
+#define BSET_xnv(sv, arg) SvNV_set(sv, arg)
+
#define BSET_av_extend(sv, arg) av_extend((AV*)sv, arg)
#define BSET_av_push(sv, arg) av_push((AV*)sv, arg)
+#define BSET_av_pushx(sv, arg) (AvARRAY(sv)[++AvFILLp(sv)] = arg)
#define BSET_hv_store(sv, arg) \
- hv_store((HV*)sv, bytecode_pv.xpv_pv, bytecode_pv.xpv_cur, arg, 0)
-#define BSET_pv_free(pv) Safefree(pv.xpv_pv)
+ hv_store((HV*)sv, bstate->bs_pv.pvx, bstate->bs_pv.xpv.xpv_cur, arg, 0)
+#define BSET_pv_free(p) Safefree(p)
+
+
+#ifdef USE_ITHREADS
+
+/* copied after the code in newPMOP() */
#define BSET_pregcomp(o, arg) \
- ((PMOP*)o)->op_pmregexp = arg ? \
- CALLREGCOMP(aTHX_ arg, arg + bytecode_pv.xpv_cur, ((PMOP*)o)) : 0
+ STMT_START { \
+ SV* repointer; \
+ REGEXP* rx = arg ? \
+ CALLREGCOMP(aTHX_ arg, arg + bstate->bs_pv.xpv.xpv_cur, cPMOPx(o)) : \
+ Null(REGEXP*); \
+ if(av_len((AV*) PL_regex_pad[0]) > -1) { \
+ repointer = av_pop((AV*)PL_regex_pad[0]); \
+ cPMOPx(o)->op_pmoffset = SvIV(repointer); \
+ SvREPADTMP_off(repointer); \
+ sv_setiv(repointer,PTR2IV(rx)); \
+ } else { \
+ repointer = newSViv(PTR2IV(rx)); \
+ av_push(PL_regex_padav,SvREFCNT_inc(repointer)); \
+ cPMOPx(o)->op_pmoffset = av_len(PL_regex_padav); \
+ PL_regex_pad = AvARRAY(PL_regex_padav); \
+ } \
+ } STMT_END
+
+#else
+#define BSET_pregcomp(o, arg) \
+ STMT_START { \
+ PM_SETRE(((PMOP*)o), (arg ? \
+ CALLREGCOMP(aTHX_ arg, arg + bstate->bs_pv.xpv.xpv_cur, cPMOPx(o)): \
+ Null(REGEXP*))); \
+ } STMT_END
+
+#endif /* USE_THREADS */
+
+
#define BSET_newsv(sv, arg) \
- STMT_START { \
- sv = (arg == SVt_PVAV ? (SV*)newAV() : \
- arg == SVt_PVHV ? (SV*)newHV() : \
- NEWSV(666,0)); \
- SvUPGRADE(sv, arg); \
+ switch(arg) { \
+ case SVt_PVAV: \
+ sv = (SV*)newAV(); \
+ break; \
+ case SVt_PVHV: \
+ sv = (SV*)newHV(); \
+ break; \
+ default: \
+ sv = newSV(0); \
+ SvUPGRADE(sv, (arg)); \
+ }
+#define BSET_newsvx(sv, arg) STMT_START { \
+ BSET_newsv(sv, arg & SVTYPEMASK); \
+ SvFLAGS(sv) = arg; \
+ BSET_OBJ_STOREX(sv); \
} STMT_END
-#define BSET_newop(o, arg) ((o = (OP*)safemalloc(optype_size[arg])), \
- memzero((char*)o,optype_size[arg]))
+
+#define BSET_newop(o, arg) NewOpSz(666, o, arg)
+#define BSET_newopx(o, arg) STMT_START { \
+ register int sz = arg & 0x7f; \
+ register OP* newop; \
+ BSET_newop(newop, sz); \
+ /* newop->op_next = o; XXX */ \
+ o = newop; \
+ arg >>=7; \
+ BSET_op_type(o, arg); \
+ BSET_OBJ_STOREX(o); \
+ } STMT_END
+
#define BSET_newopn(o, arg) STMT_START { \
OP *oldop = o; \
BSET_newop(o, arg); \
oldop->op_next = o; \
} STMT_END
-#define BSET_ret(foo) STMT_START { \
- if (bytecode_obj_list) \
- Safefree(bytecode_obj_list); \
- LEAVE; \
- return; \
+#define BSET_ret(foo) STMT_START { \
+ Safefree(bstate->bs_obj_list); \
+ return 0; \
+ } STMT_END
+
+#define BSET_op_pmstashpv(op, arg) PmopSTASHPV_set(op, arg)
+
+/*
+ * stolen from toke.c: better if that was a function.
+ * in toke.c there are also #ifdefs for dosish systems and i/o layers
+ */
+
+#if defined(HAS_FCNTL) && defined(F_SETFD)
+#define set_clonex(fp) \
+ STMT_START { \
+ int fd = PerlIO_fileno(fp); \
+ fcntl(fd,F_SETFD,fd >= 3); \
+ } STMT_END
+#else
+#define set_clonex(fp)
+#endif
+
+#define BSET_data(dummy,arg) \
+ STMT_START { \
+ GV *gv; \
+ char *pname = "main"; \
+ if (arg == 'D') \
+ pname = HvNAME(PL_curstash ? PL_curstash : PL_defstash); \
+ gv = gv_fetchpv(Perl_form(aTHX_ "%s::DATA", pname), TRUE, SVt_PVIO);\
+ GvMULTI_on(gv); \
+ if (!GvIO(gv)) \
+ GvIOp(gv) = newIO(); \
+ IoIFP(GvIOp(gv)) = PL_rsfp; \
+ set_clonex(PL_rsfp); \
+ /* Mark this internal pseudo-handle as clean */ \
+ IoFLAGS(GvIOp(gv)) |= IOf_UNTAINT; \
+ if (PL_preprocess) \
+ IoTYPE(GvIOp(gv)) = IoTYPE_PIPE; \
+ else if ((PerlIO*)PL_rsfp == PerlIO_stdin()) \
+ IoTYPE(GvIOp(gv)) = IoTYPE_STD; \
+ else \
+ IoTYPE(GvIOp(gv)) = IoTYPE_RDONLY; \
+ Safefree(bstate->bs_obj_list); \
+ return 1; \
+ } STMT_END
+
+/* stolen from op.c */
+#define BSET_load_glob(foo, gv) \
+ STMT_START { \
+ GV *glob_gv; \
+ ENTER; \
+ Perl_load_module(aTHX_ PERL_LOADMOD_NOIMPORT, \
+ newSVpvn("File::Glob", 10), Nullsv, Nullsv, Nullsv); \
+ glob_gv = gv_fetchpv("File::Glob::csh_glob", FALSE, SVt_PVCV); \
+ GvCV(gv) = GvCV(glob_gv); \
+ SvREFCNT_inc((SV*)GvCV(gv)); \
+ GvIMPORTED_CV_on(gv); \
+ LEAVE; \
} STMT_END
/*
PL_comppad = (AV *)arg; \
pad = AvARRAY(arg); \
} STMT_END
-/* this works now that Sarathy's changed the CopFILE_set macro to do the SvREFCNT_inc()
- -- BKS 6-2-2000 */
+
+#ifdef USE_ITHREADS
#define BSET_cop_file(cop, arg) CopFILE_set(cop,arg)
-#define BSET_cop_line(cop, arg) CopLINE_set(cop,arg)
#define BSET_cop_stashpv(cop, arg) CopSTASHPV_set(cop,arg)
+#else
+/* this works now that Sarathy's changed the CopFILE_set macro to do the SvREFCNT_inc()
+ -- BKS 6-2-2000 */
+/* that really meant the actual CopFILEGV_set */
+#define BSET_cop_filegv(cop, arg) CopFILEGV_set(cop,arg)
+#define BSET_cop_stash(cop,arg) CopSTASH_set(cop,(HV*)arg)
+#endif
/* this is simply stolen from the code in newATTRSUB() */
#define BSET_push_begin(ary,cv) \
STMT_START { \
- I32 oldscope = PL_scopestack_ix; \
- ENTER; \
- SAVECOPFILE(&PL_compiling); \
- SAVECOPLINE(&PL_compiling); \
- save_svref(&PL_rs); \
- sv_setsv(PL_rs, PL_nrs); \
- if (!PL_beginav) \
- PL_beginav = newAV(); \
- av_push(PL_beginav, cv); \
- call_list(oldscope, PL_beginav); \
- PL_curcop = &PL_compiling; \
- PL_compiling.op_private = PL_hints; \
- LEAVE; \
+ I32 oldscope = PL_scopestack_ix; \
+ ENTER; \
+ SAVECOPFILE(&PL_compiling); \
+ SAVECOPLINE(&PL_compiling); \
+ if (!PL_beginav) \
+ PL_beginav = newAV(); \
+ av_push(PL_beginav, (SV*)cv); \
+ GvCV(CvGV(cv)) = 0; /* cv has been hijacked */\
+ call_list(oldscope, PL_beginav); \
+ PL_curcop = &PL_compiling; \
+ PL_compiling.op_private = (U8)(PL_hints & HINT_PRIVATE_MASK);\
+ LEAVE; \
} STMT_END
-#define BSET_push_init(ary,cv) \
- STMT_START { \
- av_unshift((PL_initav ? PL_initav : (PL_initav = newAV(), PL_initav)), 1); \
- av_store(PL_initav, 0, cv); \
+#define BSET_push_init(ary,cv) \
+ STMT_START { \
+ av_unshift((PL_initav ? PL_initav : \
+ (PL_initav = newAV(), PL_initav)), 1); \
+ av_store(PL_initav, 0, cv); \
} STMT_END
-#define BSET_push_end(ary,cv) \
- STMT_START { \
- av_unshift((PL_endav ? PL_endav : (PL_endav = newAV(), PL_endav)), 1); \
- av_store(PL_endav, 0, cv); \
+#define BSET_push_end(ary,cv) \
+ STMT_START { \
+ av_unshift((PL_endav ? PL_endav : \
+ (PL_endav = newAV(), PL_endav)), 1); \
+ av_store(PL_endav, 0, cv); \
} STMT_END
#define BSET_OBJ_STORE(obj, ix) \
- (I32)ix > bytecode_obj_list_fill ? \
- bset_obj_store(aTHXo_ obj, (I32)ix) : (bytecode_obj_list[ix] = obj)
-#define BYTECODE_HEADER_CHECK \
- STMT_START { \
- U32 sz; \
- strconst str; \
- char *badpart; \
- \
- BGET_U32(sz); /* Magic: 'PLBC' */ \
- if (sz != 0x43424c50) { \
- badpart = "bad magic"; \
- goto bch_fail; \
- } \
- BGET_strconst(str); /* archname */ \
- if (strNE(str, ARCHNAME)) { \
- badpart = "wrong architecture"; \
- goto bch_fail; \
- } \
- BGET_U32(sz); /* ivsize */ \
- if (sz != IVSIZE) { \
- badpart = "different IVSIZE"; \
- goto bch_fail; \
- } \
- BGET_U32(sz); /* ptrsize */ \
- if (sz != PTRSIZE) { \
- badpart = "different PTRSIZE"; \
- goto bch_fail; \
- } \
- BGET_strconst(str); /* byteorder */ \
- if (strNE(str, STRINGIFY(BYTEORDER))) { \
- badpart = "different byteorder"; \
- bch_fail: \
- Perl_croak(aTHX_ "Invalid bytecode for this architecture: %s\n", \
- badpart); \
- } \
+ ((I32)ix > bstate->bs_obj_list_fill ? \
+ bset_obj_store(aTHX_ bstate, obj, (I32)ix) : \
+ (bstate->bs_obj_list[ix] = obj), \
+ bstate->bs_ix = ix+1)
+#define BSET_OBJ_STOREX(obj) \
+ (bstate->bs_ix > bstate->bs_obj_list_fill ? \
+ bset_obj_store(aTHX_ bstate, obj, bstate->bs_ix) : \
+ (bstate->bs_obj_list[bstate->bs_ix] = obj), \
+ bstate->bs_ix++)
+
+#define BSET_signal(cv, name) \
+ mg_set(*hv_store(GvHV(gv_fetchpv("SIG", TRUE, SVt_PVHV)), \
+ name, strlen(name), cv, 0))
+
+#define BSET_xhv_name(hv, name) hv_name_set((HV*)hv, name, strlen(name), 0)
+#define BSET_cop_arybase(c, b) CopARYBASE_set(c, b)
+#define BSET_cop_warnings(c, w) \
+ STMT_START { \
+ if (specialWARN((STRLEN *)w)) { \
+ c->cop_warnings = (STRLEN *)w; \
+ } else { \
+ STRLEN len; \
+ const char *const p = SvPV_const(w, len); \
+ c->cop_warnings = \
+ Perl_new_warnings_bitfield(aTHX_ NULL, p, len); \
+ SvREFCNT_dec(w); \
+ } \
+ } STMT_END
+
+/* NOTE: the bytecode header only sanity-checks the bytecode. If a script cares about
+ * what version of Perl it's being called under, it should do a 'use 5.006_001' or
+ * equivalent. However, since the header includes checks requiring an exact match in
+ * ByteLoader versions (we can't guarantee forward compatibility), you don't
+ * need to specify one:
+ * use ByteLoader;
+ * is all you need.
+ * -- BKS, June 2000
+*/
+
+#define HEADER_FAIL(f) \
+ Perl_croak(aTHX_ "Invalid bytecode for this architecture: " f)
+#define HEADER_FAIL1(f, arg1) \
+ Perl_croak(aTHX_ "Invalid bytecode for this architecture: " f, arg1)
+#define HEADER_FAIL2(f, arg1, arg2) \
+ Perl_croak(aTHX_ "Invalid bytecode for this architecture: " f, arg1, arg2)
+
+#define BYTECODE_HEADER_CHECK \
+ STMT_START { \
+ U32 sz = 0; \
+ strconst str; \
+ \
+ BGET_U32(sz); /* Magic: 'PLBC' */ \
+ if (sz != 0x43424c50) { \
+ HEADER_FAIL1("bad magic (want 0x43424c50, got %#x)", (int)sz); \
+ } \
+ BGET_strconst(str); /* archname */ \
+ if (strNE(str, ARCHNAME)) { \
+ HEADER_FAIL2("wrong architecture (want %s, you have %s)",str,ARCHNAME); \
+ } \
+ BGET_strconst(str); /* ByteLoader version */ \
+ if (strNE(str, VERSION)) { \
+ HEADER_FAIL2("mismatched ByteLoader versions (want %s, you have %s)", \
+ str, VERSION); \
+ } \
+ BGET_U32(sz); /* ivsize */ \
+ if (sz != IVSIZE) { \
+ HEADER_FAIL("different IVSIZE"); \
+ } \
+ BGET_U32(sz); /* ptrsize */ \
+ if (sz != PTRSIZE) { \
+ HEADER_FAIL("different PTRSIZE"); \
+ } \
} STMT_END