| Commit | Line | Data |
|---|
| 73f0cc2d |
1 | BEGIN { |
| 2 | push @INC, './lib'; |
| 3 | } |
| a8a597b2 |
4 | use strict; |
| 5 | my %alias_to = ( |
| 6 | U32 => [qw(PADOFFSET STRLEN)], |
| 7 | I32 => [qw(SSize_t long)], |
| 8 | U16 => [qw(OPCODE line_t short)], |
| 9 | U8 => [qw(char)], |
| a8a597b2 |
10 | ); |
| 11 | |
| 12 | my @optype= qw(OP UNOP BINOP LOGOP CONDOP LISTOP PMOP SVOP GVOP PVOP LOOP COP); |
| 13 | |
| 14 | # Nullsv *must* come first in the following so that the condition |
| 15 | # ($$sv == 0) can continue to be used to test (sv == Nullsv). |
| 6b88bc9c |
16 | my @specialsv = qw(Nullsv &PL_sv_undef &PL_sv_yes &PL_sv_no); |
| a8a597b2 |
17 | |
| 18 | my (%alias_from, $from, $tos); |
| 19 | while (($from, $tos) = each %alias_to) { |
| 20 | map { $alias_from{$_} = $from } @$tos; |
| 21 | } |
| 22 | |
| 23 | my $c_header = <<'EOT'; |
| 24 | /* |
| a8581515 |
25 | * Copyright (c) 1996-1998 Malcolm Beattie |
| a8a597b2 |
26 | * |
| 27 | * You may distribute under the terms of either the GNU General Public |
| 28 | * License or the Artistic License, as specified in the README file. |
| 29 | * |
| 30 | */ |
| 31 | /* |
| 32 | * This file is autogenerated from bytecode.pl. Changes made here will be lost. |
| 33 | */ |
| 34 | EOT |
| 35 | |
| 36 | my $perl_header; |
| 37 | ($perl_header = $c_header) =~ s{[/ ]?\*/?}{#}g; |
| 38 | |
| 33b839e2 |
39 | unlink "byterun.c", "byterun.h", "ext/B/B/Asmdata.pm"; |
| a8a597b2 |
40 | |
| 41 | # |
| 42 | # Start with boilerplate for Asmdata.pm |
| 43 | # |
| 33b839e2 |
44 | open(ASMDATA_PM, ">ext/B/B/Asmdata.pm") or die "ext/B/B/Asmdata.pm: $!"; |
| a8a597b2 |
45 | print ASMDATA_PM $perl_header, <<'EOT'; |
| 46 | package B::Asmdata; |
| 47 | use Exporter; |
| 48 | @ISA = qw(Exporter); |
| 49 | @EXPORT_OK = qw(%insn_data @insn_name @optype @specialsv_name); |
| 50 | use vars qw(%insn_data @insn_name @optype @specialsv_name); |
| 51 | |
| 52 | EOT |
| 53 | print ASMDATA_PM <<"EOT"; |
| 54 | \@optype = qw(@optype); |
| 55 | \@specialsv_name = qw(@specialsv); |
| 56 | |
| 57 | # XXX insn_data is initialised this way because with a large |
| 58 | # %insn_data = (foo => [...], bar => [...], ...) initialiser |
| 59 | # I get a hard-to-track-down stack underflow and segfault. |
| 60 | EOT |
| 61 | |
| 62 | # |
| 63 | # Boilerplate for byterun.c |
| 64 | # |
| 65 | open(BYTERUN_C, ">byterun.c") or die "byterun.c: $!"; |
| 66 | print BYTERUN_C $c_header, <<'EOT'; |
| 67 | |
| 68 | #include "EXTERN.h" |
| 69 | #include "perl.h" |
| d613ef02 |
70 | |
| 71 | void * |
| 72 | bset_obj_store(void *obj, I32 ix) |
| 73 | { |
| 92742e37 |
74 | if (ix > PL_bytecode_obj_list_fill) { |
| 75 | if (PL_bytecode_obj_list_fill == -1) |
| 76 | New(666, PL_bytecode_obj_list, ix + 1, void*); |
| d613ef02 |
77 | else |
| 92742e37 |
78 | Renew(PL_bytecode_obj_list, ix + 1, void*); |
| 79 | PL_bytecode_obj_list_fill = ix; |
| d613ef02 |
80 | } |
| 92742e37 |
81 | PL_bytecode_obj_list[ix] = obj; |
| d613ef02 |
82 | return obj; |
| 83 | } |
| a8a597b2 |
84 | |
| 85 | #ifdef INDIRECT_BGET_MACROS |
| 33b839e2 |
86 | void byterun(struct bytestream bs) |
| a8a597b2 |
87 | #else |
| 4b534093 |
88 | void byterun(PerlIO *fp) |
| a8a597b2 |
89 | #endif /* INDIRECT_BGET_MACROS */ |
| 90 | { |
| 91 | dTHR; |
| 92 | int insn; |
| 47358472 |
93 | while ((insn = BGET_FGETC()) != EOF) { |
| a8a597b2 |
94 | switch (insn) { |
| 95 | EOT |
| 96 | |
| 97 | |
| 98 | my (@insn_name, $insn_num, $insn, $lvalue, $argtype, $flags, $fundtype); |
| 99 | |
| 100 | while (<DATA>) { |
| 101 | chop; |
| 102 | s/#.*//; # remove comments |
| 103 | next unless length; |
| 104 | if (/^%number\s+(.*)/) { |
| 105 | $insn_num = $1; |
| 106 | next; |
| 107 | } elsif (/%enum\s+(.*?)\s+(.*)/) { |
| 108 | create_enum($1, $2); # must come before instructions |
| 109 | next; |
| 110 | } |
| 111 | ($insn, $lvalue, $argtype, $flags) = split; |
| 112 | $insn_name[$insn_num] = $insn; |
| 113 | $fundtype = $alias_from{$argtype} || $argtype; |
| 114 | |
| 115 | # |
| 116 | # Add the case statement and code for the bytecode interpreter in byterun.c |
| 117 | # |
| 118 | printf BYTERUN_C "\t case INSN_%s:\t\t/* %d */\n\t {\n", |
| 119 | uc($insn), $insn_num; |
| 120 | my $optarg = $argtype eq "none" ? "" : ", arg"; |
| 121 | if ($optarg) { |
| 122 | printf BYTERUN_C "\t\t$argtype arg;\n\t\tBGET_%s(arg);\n", $fundtype; |
| 123 | } |
| 124 | if ($flags =~ /x/) { |
| 125 | print BYTERUN_C "\t\tBSET_$insn($lvalue$optarg);\n"; |
| 126 | } elsif ($flags =~ /s/) { |
| 92742e37 |
127 | # Store instructions store to PL_bytecode_obj_list[arg]. "lvalue" field is rvalue. |
| a8a597b2 |
128 | print BYTERUN_C "\t\tBSET_OBJ_STORE($lvalue$optarg);\n"; |
| 129 | } |
| 130 | elsif ($optarg && $lvalue ne "none") { |
| 131 | print BYTERUN_C "\t\t$lvalue = arg;\n"; |
| 132 | } |
| 133 | print BYTERUN_C "\t\tbreak;\n\t }\n"; |
| 134 | |
| 135 | # |
| 136 | # Add the initialiser line for %insn_data in Asmdata.pm |
| 137 | # |
| 138 | print ASMDATA_PM <<"EOT"; |
| 139 | \$insn_data{$insn} = [$insn_num, \\&PUT_$fundtype, "GET_$fundtype"]; |
| 140 | EOT |
| 141 | |
| 142 | # Find the next unused instruction number |
| 143 | do { $insn_num++ } while $insn_name[$insn_num]; |
| 144 | } |
| 145 | |
| 146 | # |
| 147 | # Finish off byterun.c |
| 148 | # |
| 149 | print BYTERUN_C <<'EOT'; |
| 150 | default: |
| 151 | croak("Illegal bytecode instruction %d\n", insn); |
| 152 | /* NOTREACHED */ |
| 153 | } |
| 154 | } |
| 155 | } |
| 156 | EOT |
| 157 | |
| 158 | # |
| 159 | # Write the instruction and optype enum constants into byterun.h |
| 160 | # |
| 161 | open(BYTERUN_H, ">byterun.h") or die "byterun.h: $!"; |
| 162 | print BYTERUN_H $c_header, <<'EOT'; |
| 163 | #ifdef INDIRECT_BGET_MACROS |
| 164 | struct bytestream { |
| 165 | void *data; |
| 166 | int (*fgetc)(void *); |
| 167 | int (*fread)(char *, size_t, size_t, void*); |
| 168 | void (*freadpv)(U32, void*); |
| 169 | }; |
| a8a597b2 |
170 | #endif /* INDIRECT_BGET_MACROS */ |
| 171 | |
| d613ef02 |
172 | void *bset_obj_store _((void *, I32)); |
| a8a597b2 |
173 | |
| 174 | enum { |
| 175 | EOT |
| 176 | |
| 177 | my $i = 0; |
| 178 | my $add_enum_value = 0; |
| 179 | my $max_insn; |
| 180 | for ($i = 0; $i < @insn_name; $i++) { |
| 181 | $insn = uc($insn_name[$i]); |
| 182 | if (defined($insn)) { |
| 183 | $max_insn = $i; |
| 184 | if ($add_enum_value) { |
| 185 | print BYTERUN_H " INSN_$insn = $i,\t\t\t/* $i */\n"; |
| 186 | $add_enum_value = 0; |
| 187 | } else { |
| 188 | print BYTERUN_H " INSN_$insn,\t\t\t/* $i */\n"; |
| 189 | } |
| 190 | } else { |
| 191 | $add_enum_value = 1; |
| 192 | } |
| 193 | } |
| 194 | |
| 195 | print BYTERUN_H " MAX_INSN = $max_insn\n};\n"; |
| 196 | |
| 197 | print BYTERUN_H "\nenum {\n"; |
| 198 | for ($i = 0; $i < @optype - 1; $i++) { |
| 199 | printf BYTERUN_H " OPt_%s,\t\t/* %d */\n", $optype[$i], $i; |
| 200 | } |
| 201 | printf BYTERUN_H " OPt_%s\t\t/* %d */\n};\n\n", $optype[$i], $i; |
| 202 | print BYTERUN_H <<'EOT'; |
| 203 | EXT int optype_size[] |
| 204 | #ifdef DOINIT |
| 205 | = { |
| 206 | EOT |
| 207 | for ($i = 0; $i < @optype - 1; $i++) { |
| 208 | printf BYTERUN_H " sizeof(%s),\n", $optype[$i], $i; |
| 209 | } |
| 210 | printf BYTERUN_H " sizeof(%s)\n}\n", $optype[$i], $i; |
| 211 | print BYTERUN_H <<'EOT'; |
| 212 | #endif /* DOINIT */ |
| 213 | ; |
| 214 | |
| 215 | EOT |
| 216 | |
| fe3a57c4 |
217 | print BYTERUN_H <<'EOT'; |
| a8a597b2 |
218 | #define INIT_SPECIALSV_LIST STMT_START { \ |
| 219 | EOT |
| 220 | for ($i = 0; $i < @specialsv; $i++) { |
| 6b88bc9c |
221 | print BYTERUN_H "\tPL_specialsv_list[$i] = $specialsv[$i]; \\\n"; |
| a8a597b2 |
222 | } |
| 223 | print BYTERUN_H <<'EOT'; |
| 33b839e2 |
224 | } STMT_END |
| a8a597b2 |
225 | EOT |
| 226 | |
| 227 | # |
| 228 | # Finish off insn_data and create array initialisers in Asmdata.pm |
| 229 | # |
| 230 | print ASMDATA_PM <<'EOT'; |
| 231 | |
| 232 | my ($insn_name, $insn_data); |
| 233 | while (($insn_name, $insn_data) = each %insn_data) { |
| 234 | $insn_name[$insn_data->[0]] = $insn_name; |
| 235 | } |
| 236 | # Fill in any gaps |
| 237 | @insn_name = map($_ || "unused", @insn_name); |
| 238 | |
| 239 | 1; |
| 42d3a99d |
240 | |
| 241 | __END__ |
| 242 | |
| 243 | =head1 NAME |
| 244 | |
| 245 | B::Asmdata - Autogenerated data about Perl ops, used to generate bytecode |
| 246 | |
| 247 | =head1 SYNOPSIS |
| 248 | |
| 249 | use Asmdata; |
| 250 | |
| 251 | =head1 DESCRIPTION |
| 252 | |
| 253 | See F<ext/B/B/Asmdata.pm>. |
| 254 | |
| 255 | =head1 AUTHOR |
| 256 | |
| 257 | Malcolm Beattie, C<mbeattie@sable.ox.ac.uk> |
| 258 | |
| 259 | =cut |
| a8a597b2 |
260 | EOT |
| 261 | |
| 262 | __END__ |
| 263 | # First set instruction ord("#") to read comment to end-of-line (sneaky) |
| 264 | %number 35 |
| fe3a57c4 |
265 | comment arg comment_t |
| a8a597b2 |
266 | # Then make ord("\n") into a no-op |
| 267 | %number 10 |
| 268 | nop none none |
| 269 | # Now for the rest of the ordinary ones, beginning with \0 which is |
| 270 | # ret so that \0-terminated strings can be read properly as bytecode. |
| 271 | %number 0 |
| 272 | # |
| 92742e37 |
273 | #opcode lvalue argtype flags |
| a8a597b2 |
274 | # |
| 92742e37 |
275 | ret none none x |
| 276 | ldsv PL_bytecode_sv svindex |
| 277 | ldop PL_op opindex |
| 278 | stsv PL_bytecode_sv U32 s |
| 279 | stop PL_op U32 s |
| 280 | ldspecsv PL_bytecode_sv U8 x |
| 281 | newsv PL_bytecode_sv U8 x |
| 282 | newop PL_op U8 x |
| 283 | newopn PL_op U8 x |
| 284 | newpv none PV |
| 285 | pv_cur PL_bytecode_pv.xpv_cur STRLEN |
| 286 | pv_free PL_bytecode_pv none x |
| 287 | sv_upgrade PL_bytecode_sv char x |
| 288 | sv_refcnt SvREFCNT(PL_bytecode_sv) U32 |
| 289 | sv_refcnt_add SvREFCNT(PL_bytecode_sv) I32 x |
| 290 | sv_flags SvFLAGS(PL_bytecode_sv) U32 |
| 291 | xrv SvRV(PL_bytecode_sv) svindex |
| 292 | xpv PL_bytecode_sv none x |
| 293 | xiv32 SvIVX(PL_bytecode_sv) I32 |
| 294 | xiv64 SvIVX(PL_bytecode_sv) IV64 |
| 295 | xnv SvNVX(PL_bytecode_sv) double |
| 296 | xlv_targoff LvTARGOFF(PL_bytecode_sv) STRLEN |
| 297 | xlv_targlen LvTARGLEN(PL_bytecode_sv) STRLEN |
| 298 | xlv_targ LvTARG(PL_bytecode_sv) svindex |
| 299 | xlv_type LvTYPE(PL_bytecode_sv) char |
| 300 | xbm_useful BmUSEFUL(PL_bytecode_sv) I32 |
| 301 | xbm_previous BmPREVIOUS(PL_bytecode_sv) U16 |
| 302 | xbm_rare BmRARE(PL_bytecode_sv) U8 |
| 303 | xfm_lines FmLINES(PL_bytecode_sv) I32 |
| 304 | xio_lines IoLINES(PL_bytecode_sv) long |
| 305 | xio_page IoPAGE(PL_bytecode_sv) long |
| 306 | xio_page_len IoPAGE_LEN(PL_bytecode_sv) long |
| 307 | xio_lines_left IoLINES_LEFT(PL_bytecode_sv) long |
| 308 | xio_top_name IoTOP_NAME(PL_bytecode_sv) pvcontents |
| 309 | xio_top_gv *(SV**)&IoTOP_GV(PL_bytecode_sv) svindex |
| 310 | xio_fmt_name IoFMT_NAME(PL_bytecode_sv) pvcontents |
| 311 | xio_fmt_gv *(SV**)&IoFMT_GV(PL_bytecode_sv) svindex |
| 312 | xio_bottom_name IoBOTTOM_NAME(PL_bytecode_sv) pvcontents |
| 313 | xio_bottom_gv *(SV**)&IoBOTTOM_GV(PL_bytecode_sv) svindex |
| 314 | xio_subprocess IoSUBPROCESS(PL_bytecode_sv) short |
| 315 | xio_type IoTYPE(PL_bytecode_sv) char |
| 316 | xio_flags IoFLAGS(PL_bytecode_sv) char |
| 317 | xcv_stash *(SV**)&CvSTASH(PL_bytecode_sv) svindex |
| 318 | xcv_start CvSTART(PL_bytecode_sv) opindex |
| 319 | xcv_root CvROOT(PL_bytecode_sv) opindex |
| 320 | xcv_gv *(SV**)&CvGV(PL_bytecode_sv) svindex |
| 321 | xcv_filegv *(SV**)&CvFILEGV(PL_bytecode_sv) svindex |
| 322 | xcv_depth CvDEPTH(PL_bytecode_sv) long |
| 323 | xcv_padlist *(SV**)&CvPADLIST(PL_bytecode_sv) svindex |
| 324 | xcv_outside *(SV**)&CvOUTSIDE(PL_bytecode_sv) svindex |
| 325 | xcv_flags CvFLAGS(PL_bytecode_sv) U8 |
| 326 | av_extend PL_bytecode_sv SSize_t x |
| 327 | av_push PL_bytecode_sv svindex x |
| 328 | xav_fill AvFILLp(PL_bytecode_sv) SSize_t |
| 329 | xav_max AvMAX(PL_bytecode_sv) SSize_t |
| 330 | xav_flags AvFLAGS(PL_bytecode_sv) U8 |
| 331 | xhv_riter HvRITER(PL_bytecode_sv) I32 |
| 332 | xhv_name HvNAME(PL_bytecode_sv) pvcontents |
| 333 | hv_store PL_bytecode_sv svindex x |
| 334 | sv_magic PL_bytecode_sv char x |
| 335 | mg_obj SvMAGIC(PL_bytecode_sv)->mg_obj svindex |
| 336 | mg_private SvMAGIC(PL_bytecode_sv)->mg_private U16 |
| 337 | mg_flags SvMAGIC(PL_bytecode_sv)->mg_flags U8 |
| 338 | mg_pv SvMAGIC(PL_bytecode_sv) pvcontents x |
| 339 | xmg_stash *(SV**)&SvSTASH(PL_bytecode_sv) svindex |
| 340 | gv_fetchpv PL_bytecode_sv strconst x |
| 341 | gv_stashpv PL_bytecode_sv strconst x |
| 342 | gp_sv GvSV(PL_bytecode_sv) svindex |
| 343 | gp_refcnt GvREFCNT(PL_bytecode_sv) U32 |
| 344 | gp_refcnt_add GvREFCNT(PL_bytecode_sv) I32 x |
| 345 | gp_av *(SV**)&GvAV(PL_bytecode_sv) svindex |
| 346 | gp_hv *(SV**)&GvHV(PL_bytecode_sv) svindex |
| 347 | gp_cv *(SV**)&GvCV(PL_bytecode_sv) svindex |
| 348 | gp_filegv *(SV**)&GvFILEGV(PL_bytecode_sv) svindex |
| 349 | gp_io *(SV**)&GvIOp(PL_bytecode_sv) svindex |
| 350 | gp_form *(SV**)&GvFORM(PL_bytecode_sv) svindex |
| 351 | gp_cvgen GvCVGEN(PL_bytecode_sv) U32 |
| 352 | gp_line GvLINE(PL_bytecode_sv) line_t |
| 353 | gp_share PL_bytecode_sv svindex x |
| 354 | xgv_flags GvFLAGS(PL_bytecode_sv) U8 |
| 355 | op_next PL_op->op_next opindex |
| 356 | op_sibling PL_op->op_sibling opindex |
| 357 | op_ppaddr PL_op->op_ppaddr strconst x |
| 358 | op_targ PL_op->op_targ PADOFFSET |
| 359 | op_type PL_op OPCODE x |
| 360 | op_seq PL_op->op_seq U16 |
| 361 | op_flags PL_op->op_flags U8 |
| 362 | op_private PL_op->op_private U8 |
| 363 | op_first cUNOP->op_first opindex |
| 364 | op_last cBINOP->op_last opindex |
| 365 | op_other cLOGOP->op_other opindex |
| 366 | op_true cCONDOP->op_true opindex |
| 367 | op_false cCONDOP->op_false opindex |
| 368 | op_children cLISTOP->op_children U32 |
| 369 | op_pmreplroot cPMOP->op_pmreplroot opindex |
| 370 | op_pmreplrootgv *(SV**)&cPMOP->op_pmreplroot svindex |
| 371 | op_pmreplstart cPMOP->op_pmreplstart opindex |
| 372 | op_pmnext *(OP**)&cPMOP->op_pmnext opindex |
| 373 | pregcomp PL_op pvcontents x |
| 374 | op_pmflags cPMOP->op_pmflags U16 |
| 375 | op_pmpermflags cPMOP->op_pmpermflags U16 |
| 376 | op_sv cSVOP->op_sv svindex |
| 377 | op_gv *(SV**)&cGVOP->op_gv svindex |
| 378 | op_pv cPVOP->op_pv pvcontents |
| 379 | op_pv_tr cPVOP->op_pv op_tr_array |
| 380 | op_redoop cLOOP->op_redoop opindex |
| 381 | op_nextop cLOOP->op_nextop opindex |
| 382 | op_lastop cLOOP->op_lastop opindex |
| 383 | cop_label cCOP->cop_label pvcontents |
| 384 | cop_stash *(SV**)&cCOP->cop_stash svindex |
| 385 | cop_filegv *(SV**)&cCOP->cop_filegv svindex |
| 386 | cop_seq cCOP->cop_seq U32 |
| 387 | cop_arybase cCOP->cop_arybase I32 |
| 388 | cop_line cCOP->cop_line line_t |
| 389 | main_start PL_main_start opindex |
| 390 | main_root PL_main_root opindex |
| 391 | curpad PL_curpad svindex x |
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