1 typedef char *pvcontents; 2 typedef char *strconst; 3 typedef U32 PV; 4 typedef char *op_tr_array; 5 typedef int comment_t; 6 typedef SV *svindex; 7 typedef OP *opindex; 8 typedef char *pvindex; 9 10 #define BGET_FREAD(argp, len, nelem) \ 11 bl_read(bstate->bs_fdata,(char*)(argp),(len),(nelem)) 12 #define BGET_FGETC() bl_getc(bstate->bs_fdata) 13 14 /* all this should be made endianness-agnostic */ 15 16 #define BGET_U8(arg) arg = BGET_FGETC() 17 #define BGET_U16(arg) \ 18 BGET_FREAD(&arg, sizeof(U16), 1) 19 #define BGET_U32(arg) \ 20 BGET_FREAD(&arg, sizeof(U32), 1) 21 #define BGET_UV(arg) \ 22 BGET_FREAD(&arg, sizeof(UV), 1) 23 #define BGET_PADOFFSET(arg) \ 24 BGET_FREAD(&arg, sizeof(PADOFFSET), 1) 25 #define BGET_long(arg) \ 26 BGET_FREAD(&arg, sizeof(long), 1) 27 28 #define BGET_I32(arg) BGET_U32(arg) 29 #define BGET_IV(arg) BGET_UV(arg) 30 31 #define BGET_PV(arg) STMT_START { \ 32 BGET_U32(arg); \ 33 if (arg) { \ 34 Newx(bstate->bs_pv.xpv_pv, arg, char); \ 35 bl_read(bstate->bs_fdata, bstate->bs_pv.xpv_pv, arg, 1); \ 36 bstate->bs_pv.xpv_len = arg; \ 37 bstate->bs_pv.xpv_cur = arg - 1; \ 38 } else { \ 39 bstate->bs_pv.xpv_pv = 0; \ 40 bstate->bs_pv.xpv_len = 0; \ 41 bstate->bs_pv.xpv_cur = 0; \ 42 } \ 43 } STMT_END 44 45 #ifdef BYTELOADER_LOG_COMMENTS 46 # define BGET_comment_t(arg) \ 47 STMT_START { \ 48 char buf[1024]; \ 49 int i = 0; \ 50 do { \ 51 arg = BGET_FGETC(); \ 52 buf[i++] = (char)arg; \ 53 } while (arg != '\n' && arg != EOF); \ 54 buf[i] = '\0'; \ 55 PerlIO_printf(PerlIO_stderr(), "%s", buf); \ 56 } STMT_END 57 #else 58 # define BGET_comment_t(arg) \ 59 do { arg = BGET_FGETC(); } while (arg != '\n' && arg != EOF) 60 #endif 61 62 63 #define BGET_op_tr_array(arg) do { \ 64 unsigned short *ary, len; \ 65 BGET_U16(len); \ 66 Newx(ary, len, unsigned short); \ 67 BGET_FREAD(ary, sizeof(unsigned short), len); \ 68 arg = (char *) ary; \ 69 } while (0) 70 71 #define BGET_pvcontents(arg) arg = bstate->bs_pv.xpv_pv 72 #define BGET_strconst(arg) STMT_START { \ 73 for (arg = PL_tokenbuf; (*arg = BGET_FGETC()); arg++) /* nothing */; \ 74 arg = PL_tokenbuf; \ 75 } STMT_END 76 77 #define BGET_NV(arg) STMT_START { \ 78 char *str; \ 79 BGET_strconst(str); \ 80 arg = Atof(str); \ 81 } STMT_END 82 83 #define BGET_objindex(arg, type) STMT_START { \ 84 BGET_U32(ix); \ 85 arg = (type)bstate->bs_obj_list[ix]; \ 86 } STMT_END 87 #define BGET_svindex(arg) BGET_objindex(arg, svindex) 88 #define BGET_opindex(arg) BGET_objindex(arg, opindex) 89 #define BGET_pvindex(arg) STMT_START { \ 90 BGET_objindex(arg, pvindex); \ 91 arg = arg ? savepv(arg) : arg; \ 92 } STMT_END 93 94 #define BSET_ldspecsv(sv, arg) sv = specialsv_list[arg] 95 #define BSET_ldspecsvx(sv, arg) STMT_START { \ 96 BSET_ldspecsv(sv, arg); \ 97 BSET_OBJ_STOREX(sv); \ 98 } STMT_END 99 100 #define BSET_stpv(pv, arg) STMT_START { \ 101 BSET_OBJ_STORE(pv, arg); \ 102 SAVEFREEPV(pv); \ 103 } STMT_END 104 105 #define BSET_sv_refcnt_add(svrefcnt, arg) svrefcnt += arg 106 #define BSET_gp_refcnt_add(gprefcnt, arg) gprefcnt += arg 107 #define BSET_gp_share(sv, arg) STMT_START { \ 108 gp_free((GV*)sv); \ 109 GvGP(sv) = GvGP(arg); \ 110 } STMT_END 111 112 #define BSET_gv_fetchpv(sv, arg) sv = (SV*)gv_fetchpv(arg, TRUE, SVt_PV) 113 #define BSET_gv_fetchpvx(sv, arg) STMT_START { \ 114 BSET_gv_fetchpv(sv, arg); \ 115 BSET_OBJ_STOREX(sv); \ 116 } STMT_END 117 118 #define BSET_gv_stashpv(sv, arg) sv = (SV*)gv_stashpv(arg, TRUE) 119 #define BSET_gv_stashpvx(sv, arg) STMT_START { \ 120 BSET_gv_stashpv(sv, arg); \ 121 BSET_OBJ_STOREX(sv); \ 122 } STMT_END 123 124 #define BSET_sv_magic(sv, arg) sv_magic(sv, Nullsv, arg, 0, 0) 125 #define BSET_mg_name(mg, arg) mg->mg_ptr = arg; mg->mg_len = bstate->bs_pv.xpv_cur 126 #define BSET_mg_namex(mg, arg) \ 127 (mg->mg_ptr = (char*)SvREFCNT_inc((SV*)arg), \ 128 mg->mg_len = HEf_SVKEY) 129 #define BSET_xmg_stash(sv, arg) *(SV**)&(((XPVMG*)SvANY(sv))->xmg_stash) = (arg) 130 #define BSET_sv_upgrade(sv, arg) (void)SvUPGRADE(sv, arg) 131 #define BSET_xrv(sv, arg) SvRV_set(sv, arg) 132 #define BSET_xpv(sv) do { \ 133 SvPV_set(sv, bstate->bs_pv.xpv_pv); \ 134 SvCUR_set(sv, bstate->bs_pv.xpv_cur); \ 135 SvLEN_set(sv, bstate->bs_pv.xpv_len); \ 136 } while (0) 137 #define BSET_xpv_cur(sv, arg) SvCUR_set(sv, arg) 138 #define BSET_xpv_len(sv, arg) SvLEN_set(sv, arg) 139 #define BSET_xiv(sv, arg) SvIV_set(sv, arg) 140 #define BSET_xnv(sv, arg) SvNV_set(sv, arg) 141 142 #define BSET_av_extend(sv, arg) av_extend((AV*)sv, arg) 143 144 #define BSET_av_push(sv, arg) av_push((AV*)sv, arg) 145 #define BSET_av_pushx(sv, arg) (AvARRAY(sv)[++AvFILLp(sv)] = arg) 146 #define BSET_hv_store(sv, arg) \ 147 hv_store((HV*)sv, bstate->bs_pv.xpv_pv, bstate->bs_pv.xpv_cur, arg, 0) 148 #define BSET_pv_free(pv) Safefree(pv.xpv_pv) 149 150 151 #ifdef USE_ITHREADS 152 153 /* copied after the code in newPMOP() */ 154 #define BSET_pregcomp(o, arg) \ 155 STMT_START { \ 156 SV* repointer; \ 157 REGEXP* rx = arg ? \ 158 CALLREGCOMP(aTHX_ arg, arg + bstate->bs_pv.xpv_cur, cPMOPx(o)) : \ 159 Null(REGEXP*); \ 160 if(av_len((AV*) PL_regex_pad[0]) > -1) { \ 161 repointer = av_pop((AV*)PL_regex_pad[0]); \ 162 cPMOPx(o)->op_pmoffset = SvIV(repointer); \ 163 SvREPADTMP_off(repointer); \ 164 sv_setiv(repointer,PTR2IV(rx)); \ 165 } else { \ 166 repointer = newSViv(PTR2IV(rx)); \ 167 av_push(PL_regex_padav,SvREFCNT_inc(repointer)); \ 168 cPMOPx(o)->op_pmoffset = av_len(PL_regex_padav); \ 169 PL_regex_pad = AvARRAY(PL_regex_padav); \ 170 } \ 171 } STMT_END 172 173 #else 174 #define BSET_pregcomp(o, arg) \ 175 STMT_START { \ 176 PM_SETRE(((PMOP*)o), (arg ? \ 177 CALLREGCOMP(aTHX_ arg, arg + bstate->bs_pv.xpv_cur, cPMOPx(o)): \ 178 Null(REGEXP*))); \ 179 } STMT_END 180 181 #endif /* USE_THREADS */ 182 183 184 #define BSET_newsv(sv, arg) \ 185 switch(arg) { \ 186 case SVt_PVAV: \ 187 sv = (SV*)newAV(); \ 188 break; \ 189 case SVt_PVHV: \ 190 sv = (SV*)newHV(); \ 191 break; \ 192 default: \ 193 sv = NEWSV(0,0); \ 194 SvUPGRADE(sv, (arg)); \ 195 } 196 #define BSET_newsvx(sv, arg) STMT_START { \ 197 BSET_newsv(sv, arg & SVTYPEMASK); \ 198 SvFLAGS(sv) = arg; \ 199 BSET_OBJ_STOREX(sv); \ 200 } STMT_END 201 202 #define BSET_newop(o, arg) NewOpSz(666, o, arg) 203 #define BSET_newopx(o, arg) STMT_START { \ 204 register int sz = arg & 0x7f; \ 205 register OP* newop; \ 206 BSET_newop(newop, sz); \ 207 /* newop->op_next = o; XXX */ \ 208 o = newop; \ 209 arg >>=7; \ 210 BSET_op_type(o, arg); \ 211 BSET_OBJ_STOREX(o); \ 212 } STMT_END 213 214 #define BSET_newopn(o, arg) STMT_START { \ 215 OP *oldop = o; \ 216 BSET_newop(o, arg); \ 217 oldop->op_next = o; \ 218 } STMT_END 219 220 #define BSET_ret(foo) STMT_START { \ 221 Safefree(bstate->bs_obj_list); \ 222 return 0; \ 223 } STMT_END 224 225 #define BSET_op_pmstashpv(op, arg) PmopSTASHPV_set(op, arg) 226 227 /* 228 * stolen from toke.c: better if that was a function. 229 * in toke.c there are also #ifdefs for dosish systems and i/o layers 230 */ 231 232 #if defined(HAS_FCNTL) && defined(F_SETFD) 233 #define set_clonex(fp) \ 234 STMT_START { \ 235 int fd = PerlIO_fileno(fp); \ 236 fcntl(fd,F_SETFD,fd >= 3); \ 237 } STMT_END 238 #else 239 #define set_clonex(fp) 240 #endif 241 242 #define BSET_data(dummy,arg) \ 243 STMT_START { \ 244 GV *gv; \ 245 char *pname = "main"; \ 246 if (arg == 'D') \ 247 pname = HvNAME(PL_curstash ? PL_curstash : PL_defstash); \ 248 gv = gv_fetchpv(Perl_form(aTHX_ "%s::DATA", pname), TRUE, SVt_PVIO);\ 249 GvMULTI_on(gv); \ 250 if (!GvIO(gv)) \ 251 GvIOp(gv) = newIO(); \ 252 IoIFP(GvIOp(gv)) = PL_rsfp; \ 253 set_clonex(PL_rsfp); \ 254 /* Mark this internal pseudo-handle as clean */ \ 255 IoFLAGS(GvIOp(gv)) |= IOf_UNTAINT; \ 256 if (PL_preprocess) \ 257 IoTYPE(GvIOp(gv)) = IoTYPE_PIPE; \ 258 else if ((PerlIO*)PL_rsfp == PerlIO_stdin()) \ 259 IoTYPE(GvIOp(gv)) = IoTYPE_STD; \ 260 else \ 261 IoTYPE(GvIOp(gv)) = IoTYPE_RDONLY; \ 262 Safefree(bstate->bs_obj_list); \ 263 return 1; \ 264 } STMT_END 265 266 /* stolen from op.c */ 267 #define BSET_load_glob(foo, gv) \ 268 STMT_START { \ 269 GV *glob_gv; \ 270 ENTER; \ 271 Perl_load_module(aTHX_ PERL_LOADMOD_NOIMPORT, \ 272 newSVpvn("File::Glob", 10), Nullsv, Nullsv, Nullsv); \ 273 glob_gv = gv_fetchpv("File::Glob::csh_glob", FALSE, SVt_PVCV); \ 274 GvCV(gv) = GvCV(glob_gv); \ 275 SvREFCNT_inc((SV*)GvCV(gv)); \ 276 GvIMPORTED_CV_on(gv); \ 277 LEAVE; \ 278 } STMT_END 279 280 /* 281 * Kludge special-case workaround for OP_MAPSTART 282 * which needs the ppaddr for OP_GREPSTART. Blech. 283 */ 284 #define BSET_op_type(o, arg) STMT_START { \ 285 o->op_type = arg; \ 286 if (arg == OP_MAPSTART) \ 287 arg = OP_GREPSTART; \ 288 o->op_ppaddr = PL_ppaddr[arg]; \ 289 } STMT_END 290 #define BSET_op_ppaddr(o, arg) Perl_croak(aTHX_ "op_ppaddr not yet implemented") 291 #define BSET_curpad(pad, arg) STMT_START { \ 292 PL_comppad = (AV *)arg; \ 293 pad = AvARRAY(arg); \ 294 } STMT_END 295 296 #ifdef USE_ITHREADS 297 #define BSET_cop_file(cop, arg) CopFILE_set(cop,arg) 298 #define BSET_cop_stashpv(cop, arg) CopSTASHPV_set(cop,arg) 299 #else 300 /* this works now that Sarathy's changed the CopFILE_set macro to do the SvREFCNT_inc() 301 -- BKS 6-2-2000 */ 302 /* that really meant the actual CopFILEGV_set */ 303 #define BSET_cop_filegv(cop, arg) CopFILEGV_set(cop,arg) 304 #define BSET_cop_stash(cop,arg) CopSTASH_set(cop,(HV*)arg) 305 #endif 306 307 /* this is simply stolen from the code in newATTRSUB() */ 308 #define BSET_push_begin(ary,cv) \ 309 STMT_START { \ 310 I32 oldscope = PL_scopestack_ix; \ 311 ENTER; \ 312 SAVECOPFILE(&PL_compiling); \ 313 SAVECOPLINE(&PL_compiling); \ 314 if (!PL_beginav) \ 315 PL_beginav = newAV(); \ 316 av_push(PL_beginav, (SV*)cv); \ 317 GvCV(CvGV(cv)) = 0; /* cv has been hijacked */\ 318 call_list(oldscope, PL_beginav); \ 319 PL_curcop = &PL_compiling; \ 320 PL_compiling.op_private = (U8)(PL_hints & HINT_PRIVATE_MASK);\ 321 LEAVE; \ 322 } STMT_END 323 #define BSET_push_init(ary,cv) \ 324 STMT_START { \ 325 av_unshift((PL_initav ? PL_initav : \ 326 (PL_initav = newAV(), PL_initav)), 1); \ 327 av_store(PL_initav, 0, cv); \ 328 } STMT_END 329 #define BSET_push_end(ary,cv) \ 330 STMT_START { \ 331 av_unshift((PL_endav ? PL_endav : \ 332 (PL_endav = newAV(), PL_endav)), 1); \ 333 av_store(PL_endav, 0, cv); \ 334 } STMT_END 335 #define BSET_OBJ_STORE(obj, ix) \ 336 ((I32)ix > bstate->bs_obj_list_fill ? \ 337 bset_obj_store(aTHX_ bstate, obj, (I32)ix) : \ 338 (bstate->bs_obj_list[ix] = obj), \ 339 bstate->bs_ix = ix+1) 340 #define BSET_OBJ_STOREX(obj) \ 341 (bstate->bs_ix > bstate->bs_obj_list_fill ? \ 342 bset_obj_store(aTHX_ bstate, obj, bstate->bs_ix) : \ 343 (bstate->bs_obj_list[bstate->bs_ix] = obj), \ 344 bstate->bs_ix++) 345 346 #define BSET_signal(cv, name) \ 347 mg_set(*hv_store(GvHV(gv_fetchpv("SIG", TRUE, SVt_PVHV)), \ 348 name, strlen(name), cv, 0)) 349 350 #define BSET_xhv_name(hv, name) hv_name_set((HV*)hv, name, strlen(name), 0) 351 352 /* NOTE: the bytecode header only sanity-checks the bytecode. If a script cares about 353 * what version of Perl it's being called under, it should do a 'use 5.006_001' or 354 * equivalent. However, since the header includes checks requiring an exact match in 355 * ByteLoader versions (we can't guarantee forward compatibility), you don't 356 * need to specify one: 357 * use ByteLoader; 358 * is all you need. 359 * -- BKS, June 2000 360 */ 361 362 #define HEADER_FAIL(f) \ 363 Perl_croak(aTHX_ "Invalid bytecode for this architecture: " f) 364 #define HEADER_FAIL1(f, arg1) \ 365 Perl_croak(aTHX_ "Invalid bytecode for this architecture: " f, arg1) 366 #define HEADER_FAIL2(f, arg1, arg2) \ 367 Perl_croak(aTHX_ "Invalid bytecode for this architecture: " f, arg1, arg2) 368 369 #define BYTECODE_HEADER_CHECK \ 370 STMT_START { \ 371 U32 sz = 0; \ 372 strconst str; \ 373 \ 374 BGET_U32(sz); /* Magic: 'PLBC' */ \ 375 if (sz != 0x43424c50) { \ 376 HEADER_FAIL1("bad magic (want 0x43424c50, got %#x)", (int)sz); \ 377 } \ 378 BGET_strconst(str); /* archname */ \ 379 if (strNE(str, ARCHNAME)) { \ 380 HEADER_FAIL2("wrong architecture (want %s, you have %s)",str,ARCHNAME); \ 381 } \ 382 BGET_strconst(str); /* ByteLoader version */ \ 383 if (strNE(str, VERSION)) { \ 384 HEADER_FAIL2("mismatched ByteLoader versions (want %s, you have %s)", \ 385 str, VERSION); \ 386 } \ 387 BGET_U32(sz); /* ivsize */ \ 388 if (sz != IVSIZE) { \ 389 HEADER_FAIL("different IVSIZE"); \ 390 } \ 391 BGET_U32(sz); /* ptrsize */ \ 392 if (sz != PTRSIZE) { \ 393 HEADER_FAIL("different PTRSIZE"); \ 394 } \ 395 } STMT_END 396