diff options
Diffstat (limited to 'contrib/perl5/bytecode.pl')
| -rw-r--r-- | contrib/perl5/bytecode.pl | 408 |
1 files changed, 0 insertions, 408 deletions
diff --git a/contrib/perl5/bytecode.pl b/contrib/perl5/bytecode.pl deleted file mode 100644 index 4b00e14..0000000 --- a/contrib/perl5/bytecode.pl +++ /dev/null @@ -1,408 +0,0 @@ -BEGIN { - push @INC, './lib'; -} -use strict; -my %alias_to = ( - U32 => [qw(PADOFFSET STRLEN)], - I32 => [qw(SSize_t long)], - U16 => [qw(OPCODE line_t short)], - U8 => [qw(char)], -); - -my @optype= qw(OP UNOP BINOP LOGOP LISTOP PMOP SVOP PADOP PVOP LOOP COP); - -# Nullsv *must* come first in the following so that the condition -# ($$sv == 0) can continue to be used to test (sv == Nullsv). -my @specialsv = qw(Nullsv &PL_sv_undef &PL_sv_yes &PL_sv_no pWARN_ALL pWARN_NONE); - -my (%alias_from, $from, $tos); -while (($from, $tos) = each %alias_to) { - map { $alias_from{$_} = $from } @$tos; -} - -my $c_header = <<'EOT'; -/* - * Copyright (c) 1996-1999 Malcolm Beattie - * - * You may distribute under the terms of either the GNU General Public - * License or the Artistic License, as specified in the README file. - * - */ -/* - * This file is autogenerated from bytecode.pl. Changes made here will be lost. - */ -EOT - -my $perl_header; -($perl_header = $c_header) =~ s{[/ ]?\*/?}{#}g; - -unlink "ext/ByteLoader/byterun.c", "ext/ByteLoader/byterun.h", "ext/B/B/Asmdata.pm"; - -# -# Start with boilerplate for Asmdata.pm -# -open(ASMDATA_PM, ">ext/B/B/Asmdata.pm") or die "ext/B/B/Asmdata.pm: $!"; -print ASMDATA_PM $perl_header, <<'EOT'; -package B::Asmdata; -use Exporter; -@ISA = qw(Exporter); -@EXPORT_OK = qw(%insn_data @insn_name @optype @specialsv_name); -our(%insn_data, @insn_name, @optype, @specialsv_name); - -EOT -print ASMDATA_PM <<"EOT"; -\@optype = qw(@optype); -\@specialsv_name = qw(@specialsv); - -# XXX insn_data is initialised this way because with a large -# %insn_data = (foo => [...], bar => [...], ...) initialiser -# I get a hard-to-track-down stack underflow and segfault. -EOT - -# -# Boilerplate for byterun.c -# -open(BYTERUN_C, ">ext/ByteLoader/byterun.c") or die "ext/ByteLoader/byterun.c: $!"; -print BYTERUN_C $c_header, <<'EOT'; - -#define PERL_NO_GET_CONTEXT -#include "EXTERN.h" -#include "perl.h" -#define NO_XSLOCKS -#include "XSUB.h" - -#ifdef PERL_OBJECT -#undef CALL_FPTR -#define CALL_FPTR(fptr) (pPerl->*fptr) -#undef PL_ppaddr -#define PL_ppaddr (*get_ppaddr()) -#endif - -#include "byterun.h" -#include "bytecode.h" - - -static const int optype_size[] = { -EOT -my $i = 0; -for ($i = 0; $i < @optype - 1; $i++) { - printf BYTERUN_C " sizeof(%s),\n", $optype[$i], $i; -} -printf BYTERUN_C " sizeof(%s)\n", $optype[$i], $i; -print BYTERUN_C <<'EOT'; -}; - -void * -bset_obj_store(pTHXo_ struct byteloader_state *bstate, void *obj, I32 ix) -{ - if (ix > bstate->bs_obj_list_fill) { - Renew(bstate->bs_obj_list, ix + 32, void*); - bstate->bs_obj_list_fill = ix + 31; - } - bstate->bs_obj_list[ix] = obj; - return obj; -} - -void -byterun(pTHXo_ register struct byteloader_state *bstate) -{ - register int insn; - U32 ix; - SV *specialsv_list[6]; - - BYTECODE_HEADER_CHECK; /* croak if incorrect platform */ - New(666, bstate->bs_obj_list, 32, void*); /* set op objlist */ - bstate->bs_obj_list_fill = 31; - -EOT - -for (my $i = 0; $i < @specialsv; $i++) { - print BYTERUN_C " specialsv_list[$i] = $specialsv[$i];\n"; -} - -print BYTERUN_C <<'EOT'; - - while ((insn = BGET_FGETC()) != EOF) { - switch (insn) { -EOT - - -my (@insn_name, $insn_num, $insn, $lvalue, $argtype, $flags, $fundtype); - -while (<DATA>) { - chop; - s/#.*//; # remove comments - next unless length; - if (/^%number\s+(.*)/) { - $insn_num = $1; - next; - } elsif (/%enum\s+(.*?)\s+(.*)/) { - create_enum($1, $2); # must come before instructions - next; - } - ($insn, $lvalue, $argtype, $flags) = split; - $insn_name[$insn_num] = $insn; - $fundtype = $alias_from{$argtype} || $argtype; - - # - # Add the case statement and code for the bytecode interpreter in byterun.c - # - printf BYTERUN_C "\t case INSN_%s:\t\t/* %d */\n\t {\n", - uc($insn), $insn_num; - my $optarg = $argtype eq "none" ? "" : ", arg"; - if ($optarg) { - printf BYTERUN_C "\t\t$argtype arg;\n\t\tBGET_%s(arg);\n", $fundtype; - } - if ($flags =~ /x/) { - print BYTERUN_C "\t\tBSET_$insn($lvalue$optarg);\n"; - } elsif ($flags =~ /s/) { - # Store instructions store to bytecode_obj_list[arg]. "lvalue" field is rvalue. - print BYTERUN_C "\t\tBSET_OBJ_STORE($lvalue$optarg);\n"; - } - elsif ($optarg && $lvalue ne "none") { - print BYTERUN_C "\t\t$lvalue = arg;\n"; - } - print BYTERUN_C "\t\tbreak;\n\t }\n"; - - # - # Add the initialiser line for %insn_data in Asmdata.pm - # - print ASMDATA_PM <<"EOT"; -\$insn_data{$insn} = [$insn_num, \\&PUT_$fundtype, "GET_$fundtype"]; -EOT - - # Find the next unused instruction number - do { $insn_num++ } while $insn_name[$insn_num]; -} - -# -# Finish off byterun.c -# -print BYTERUN_C <<'EOT'; - default: - Perl_croak(aTHX_ "Illegal bytecode instruction %d\n", insn); - /* NOTREACHED */ - } - } -} -EOT - -# -# Write the instruction and optype enum constants into byterun.h -# -open(BYTERUN_H, ">ext/ByteLoader/byterun.h") or die "ext/ByteLoader/byterun.h: $!"; -print BYTERUN_H $c_header, <<'EOT'; -struct byteloader_fdata { - SV *datasv; - int next_out; - int idx; -}; - -struct byteloader_state { - struct byteloader_fdata *bs_fdata; - SV *bs_sv; - void **bs_obj_list; - int bs_obj_list_fill; - XPV bs_pv; - int bs_iv_overflows; -}; - -int bl_getc(struct byteloader_fdata *); -int bl_read(struct byteloader_fdata *, char *, size_t, size_t); -extern void byterun(pTHXo_ struct byteloader_state *); - -enum { -EOT - -my $add_enum_value = 0; -my $max_insn; -for ($i = 0; $i < @insn_name; $i++) { - $insn = uc($insn_name[$i]); - if (defined($insn)) { - $max_insn = $i; - if ($add_enum_value) { - print BYTERUN_H " INSN_$insn = $i,\t\t\t/* $i */\n"; - $add_enum_value = 0; - } else { - print BYTERUN_H " INSN_$insn,\t\t\t/* $i */\n"; - } - } else { - $add_enum_value = 1; - } -} - -print BYTERUN_H " MAX_INSN = $max_insn\n};\n"; - -print BYTERUN_H "\nenum {\n"; -for ($i = 0; $i < @optype - 1; $i++) { - printf BYTERUN_H " OPt_%s,\t\t/* %d */\n", $optype[$i], $i; -} -printf BYTERUN_H " OPt_%s\t\t/* %d */\n};\n\n", $optype[$i], $i; - -# -# Finish off insn_data and create array initialisers in Asmdata.pm -# -print ASMDATA_PM <<'EOT'; - -my ($insn_name, $insn_data); -while (($insn_name, $insn_data) = each %insn_data) { - $insn_name[$insn_data->[0]] = $insn_name; -} -# Fill in any gaps -@insn_name = map($_ || "unused", @insn_name); - -1; - -__END__ - -=head1 NAME - -B::Asmdata - Autogenerated data about Perl ops, used to generate bytecode - -=head1 SYNOPSIS - - use Asmdata; - -=head1 DESCRIPTION - -See F<ext/B/B/Asmdata.pm>. - -=head1 AUTHOR - -Malcolm Beattie, C<mbeattie@sable.ox.ac.uk> - -=cut -EOT - -__END__ -# First set instruction ord("#") to read comment to end-of-line (sneaky) -%number 35 -comment arg comment_t -# Then make ord("\n") into a no-op -%number 10 -nop none none -# Now for the rest of the ordinary ones, beginning with \0 which is -# ret so that \0-terminated strings can be read properly as bytecode. -%number 0 -# -#opcode lvalue argtype flags -# -ret none none x -ldsv bstate->bs_sv svindex -ldop PL_op opindex -stsv bstate->bs_sv U32 s -stop PL_op U32 s -stpv bstate->bs_pv.xpv_pv U32 x -ldspecsv bstate->bs_sv U8 x -newsv bstate->bs_sv U8 x -newop PL_op U8 x -newopn PL_op U8 x -newpv none PV -pv_cur bstate->bs_pv.xpv_cur STRLEN -pv_free bstate->bs_pv none x -sv_upgrade bstate->bs_sv char x -sv_refcnt SvREFCNT(bstate->bs_sv) U32 -sv_refcnt_add SvREFCNT(bstate->bs_sv) I32 x -sv_flags SvFLAGS(bstate->bs_sv) U32 -xrv SvRV(bstate->bs_sv) svindex -xpv bstate->bs_sv none x -xiv32 SvIVX(bstate->bs_sv) I32 -xiv64 SvIVX(bstate->bs_sv) IV64 -xnv SvNVX(bstate->bs_sv) NV -xlv_targoff LvTARGOFF(bstate->bs_sv) STRLEN -xlv_targlen LvTARGLEN(bstate->bs_sv) STRLEN -xlv_targ LvTARG(bstate->bs_sv) svindex -xlv_type LvTYPE(bstate->bs_sv) char -xbm_useful BmUSEFUL(bstate->bs_sv) I32 -xbm_previous BmPREVIOUS(bstate->bs_sv) U16 -xbm_rare BmRARE(bstate->bs_sv) U8 -xfm_lines FmLINES(bstate->bs_sv) I32 -xio_lines IoLINES(bstate->bs_sv) long -xio_page IoPAGE(bstate->bs_sv) long -xio_page_len IoPAGE_LEN(bstate->bs_sv) long -xio_lines_left IoLINES_LEFT(bstate->bs_sv) long -xio_top_name IoTOP_NAME(bstate->bs_sv) pvcontents -xio_top_gv *(SV**)&IoTOP_GV(bstate->bs_sv) svindex -xio_fmt_name IoFMT_NAME(bstate->bs_sv) pvcontents -xio_fmt_gv *(SV**)&IoFMT_GV(bstate->bs_sv) svindex -xio_bottom_name IoBOTTOM_NAME(bstate->bs_sv) pvcontents -xio_bottom_gv *(SV**)&IoBOTTOM_GV(bstate->bs_sv) svindex -xio_subprocess IoSUBPROCESS(bstate->bs_sv) short -xio_type IoTYPE(bstate->bs_sv) char -xio_flags IoFLAGS(bstate->bs_sv) char -xcv_stash *(SV**)&CvSTASH(bstate->bs_sv) svindex -xcv_start CvSTART(bstate->bs_sv) opindex -xcv_root CvROOT(bstate->bs_sv) opindex -xcv_gv *(SV**)&CvGV(bstate->bs_sv) svindex -xcv_file CvFILE(bstate->bs_sv) pvindex -xcv_depth CvDEPTH(bstate->bs_sv) long -xcv_padlist *(SV**)&CvPADLIST(bstate->bs_sv) svindex -xcv_outside *(SV**)&CvOUTSIDE(bstate->bs_sv) svindex -xcv_flags CvFLAGS(bstate->bs_sv) U16 -av_extend bstate->bs_sv SSize_t x -av_push bstate->bs_sv svindex x -xav_fill AvFILLp(bstate->bs_sv) SSize_t -xav_max AvMAX(bstate->bs_sv) SSize_t -xav_flags AvFLAGS(bstate->bs_sv) U8 -xhv_riter HvRITER(bstate->bs_sv) I32 -xhv_name HvNAME(bstate->bs_sv) pvcontents -hv_store bstate->bs_sv svindex x -sv_magic bstate->bs_sv char x -mg_obj SvMAGIC(bstate->bs_sv)->mg_obj svindex -mg_private SvMAGIC(bstate->bs_sv)->mg_private U16 -mg_flags SvMAGIC(bstate->bs_sv)->mg_flags U8 -mg_pv SvMAGIC(bstate->bs_sv) pvcontents x -xmg_stash *(SV**)&SvSTASH(bstate->bs_sv) svindex -gv_fetchpv bstate->bs_sv strconst x -gv_stashpv bstate->bs_sv strconst x -gp_sv GvSV(bstate->bs_sv) svindex -gp_refcnt GvREFCNT(bstate->bs_sv) U32 -gp_refcnt_add GvREFCNT(bstate->bs_sv) I32 x -gp_av *(SV**)&GvAV(bstate->bs_sv) svindex -gp_hv *(SV**)&GvHV(bstate->bs_sv) svindex -gp_cv *(SV**)&GvCV(bstate->bs_sv) svindex -gp_file GvFILE(bstate->bs_sv) pvindex -gp_io *(SV**)&GvIOp(bstate->bs_sv) svindex -gp_form *(SV**)&GvFORM(bstate->bs_sv) svindex -gp_cvgen GvCVGEN(bstate->bs_sv) U32 -gp_line GvLINE(bstate->bs_sv) line_t -gp_share bstate->bs_sv svindex x -xgv_flags GvFLAGS(bstate->bs_sv) U8 -op_next PL_op->op_next opindex -op_sibling PL_op->op_sibling opindex -op_ppaddr PL_op->op_ppaddr strconst x -op_targ PL_op->op_targ PADOFFSET -op_type PL_op OPCODE x -op_seq PL_op->op_seq U16 -op_flags PL_op->op_flags U8 -op_private PL_op->op_private U8 -op_first cUNOP->op_first opindex -op_last cBINOP->op_last opindex -op_other cLOGOP->op_other opindex -op_pmreplroot cPMOP->op_pmreplroot opindex -op_pmreplrootgv *(SV**)&cPMOP->op_pmreplroot svindex -op_pmreplstart cPMOP->op_pmreplstart opindex -op_pmnext *(OP**)&cPMOP->op_pmnext opindex -pregcomp PL_op pvcontents x -op_pmflags cPMOP->op_pmflags U16 -op_pmpermflags cPMOP->op_pmpermflags U16 -op_sv cSVOP->op_sv svindex -op_padix cPADOP->op_padix PADOFFSET -op_pv cPVOP->op_pv pvcontents -op_pv_tr cPVOP->op_pv op_tr_array -op_redoop cLOOP->op_redoop opindex -op_nextop cLOOP->op_nextop opindex -op_lastop cLOOP->op_lastop opindex -cop_label cCOP->cop_label pvindex -cop_stashpv cCOP pvindex x -cop_file cCOP pvindex x -cop_seq cCOP->cop_seq U32 -cop_arybase cCOP->cop_arybase I32 -cop_line cCOP line_t x -cop_warnings cCOP->cop_warnings svindex -main_start PL_main_start opindex -main_root PL_main_root opindex -curpad PL_curpad svindex x -push_begin PL_beginav svindex x -push_init PL_initav svindex x -push_end PL_endav svindex x |
