+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)],
- objindex => [qw(svindex opindex)]
);
my @optype= qw(OP UNOP BINOP LOGOP CONDOP LISTOP PMOP SVOP GVOP 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 &sv_undef &sv_yes &sv_no);
+my @specialsv = qw(Nullsv &PL_sv_undef &PL_sv_yes &PL_sv_no);
my (%alias_from, $from, $tos);
while (($from, $tos) = each %alias_to) {
my $c_header = <<'EOT';
/*
- * Copyright (c) 1996, 1997 Malcolm Beattie
+ * 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.
my $perl_header;
($perl_header = $c_header) =~ s{[/ ]?\*/?}{#}g;
-if (-f "byterun.c") {
- rename("byterun.c", "byterun.c.old");
-}
-if (-f "byterun.h") {
- rename("byterun.h", "byterun.h.old");
-}
-if (-f "Asmdata.pm") {
- rename("Asmdata.pm", "Asmdata.pm.old");
-}
+unlink "ext/ByteLoader/byterun.c", "ext/ByteLoader/byterun.h", "ext/B/B/Asmdata.pm";
#
# Start with boilerplate for Asmdata.pm
#
-open(ASMDATA_PM, ">Asmdata.pm") or die "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;
#
# Boilerplate for byterun.c
#
-open(BYTERUN_C, ">byterun.c") or die "byterun.c: $!";
+open(BYTERUN_C, ">ext/ByteLoader/byterun.c") or die "ext/ByteLoader/byterun.c: $!";
print BYTERUN_C $c_header, <<'EOT';
#include "EXTERN.h"
#include "perl.h"
-#include "bytecode.h"
#include "byterun.h"
+#include "bytecode.h"
-#ifdef INDIRECT_BGET_MACROS
-void byterun(bs)
-struct bytestream bs;
-#else
-void byterun(fp)
-FILE *fp;
-#endif /* INDIRECT_BGET_MACROS */
+static 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';
+};
+
+static SV *specialsv_list[4];
+
+static int bytecode_iv_overflows = 0;
+static SV *bytecode_sv;
+static XPV bytecode_pv;
+static void **bytecode_obj_list;
+static I32 bytecode_obj_list_fill = -1;
+
+void *
+bset_obj_store(void *obj, I32 ix)
+{
+ if (ix > bytecode_obj_list_fill) {
+ if (bytecode_obj_list_fill == -1)
+ New(666, bytecode_obj_list, ix + 1, void*);
+ else
+ Renew(bytecode_obj_list, ix + 1, void*);
+ bytecode_obj_list_fill = ix;
+ }
+ bytecode_obj_list[ix] = obj;
+ return obj;
+}
+
+void byterun(struct bytestream bs)
{
dTHR;
int insn;
- while ((insn = FGETC()) != EOF) {
+
+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
if ($flags =~ /x/) {
print BYTERUN_C "\t\tBSET_$insn($lvalue$optarg);\n";
} elsif ($flags =~ /s/) {
- # Store instructions store to obj_list[arg]. "lvalue" field is rvalue.
+ # Store instructions store to bytecode_obj_list[arg]. "lvalue" field is rvalue.
print BYTERUN_C "\t\tBSET_OBJ_STORE($lvalue$optarg);\n";
}
elsif ($optarg && $lvalue ne "none") {
#
# Write the instruction and optype enum constants into byterun.h
#
-open(BYTERUN_H, ">byterun.h") or die "byterun.h: $!";
+open(BYTERUN_H, ">ext/ByteLoader/byterun.h") or die "ext/ByteLoader/byterun.h: $!";
print BYTERUN_H $c_header, <<'EOT';
-#ifdef INDIRECT_BGET_MACROS
struct bytestream {
void *data;
int (*fgetc)(void *);
- int (*fread)(char *, size_t, size_t, void*);
- void (*freadpv)(U32, void*);
+ int (*fread)(char *, size_t, size_t, void *);
+ void (*freadpv)(U32, void *, XPV *);
};
-void freadpv _((U32, void *));
-void byterun _((struct bytestream));
-#else
-void byterun _((FILE *));
-#endif /* INDIRECT_BGET_MACROS */
-
-#ifndef PATCHLEVEL
-#include "patchlevel.h"
-#endif
-#if PATCHLEVEL < 4 || (PATCHLEVEL == 4 && SUBVERSION < 50)
-#define dTHR extern int errno
-#endif
enum {
EOT
}
printf BYTERUN_H " OPt_%s\t\t/* %d */\n};\n\n", $optype[$i], $i;
print BYTERUN_H <<'EOT';
-EXT int optype_size[]
+EXT int PL_optype_size[]
#ifdef DOINIT
= {
EOT
EOT
-printf BYTERUN_H <<'EOT', scalar(@specialsv);
-EXT SV * specialsv_list[%d]
-#ifdef DOINIT
+print BYTERUN_H <<'EOT';
+#define INIT_SPECIALSV_LIST STMT_START { \
EOT
-print BYTERUN_H "= { ", join(", ", @specialsv), " }\n";
+for ($i = 0; $i < @specialsv; $i++) {
+ print BYTERUN_H "\tPL_specialsv_list[$i] = $specialsv[$i]; \\\n";
+}
print BYTERUN_H <<'EOT';
-#endif /* DOINIT */
-;
+ } STMT_END
EOT
#
@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
+comment arg comment_t
# Then make ord("\n") into a no-op
%number 10
nop none none
# ret so that \0-terminated strings can be read properly as bytecode.
%number 0
#
-#opcode lvalue argtype flags
+#opcode lvalue argtype flags
#
-ret none none x
-ldsv sv svindex
-ldop op opindex
-stsv sv U32 s
-stop op U32 s
-ldspecsv sv U8 x
-newsv sv U8 x
-newop op U8 x
-newopn op U8 x
-newpv none PV
-pv_cur pv.xpv_cur STRLEN
-pv_free pv none x
-sv_upgrade sv char x
-sv_refcnt SvREFCNT(sv) U32
-sv_refcnt_add SvREFCNT(sv) I32 x
-sv_flags SvFLAGS(sv) U32
-xrv SvRV(sv) svindex
-xpv sv none x
-xiv32 SvIVX(sv) I32
-xiv64 SvIVX(sv) IV64
-xnv SvNVX(sv) double
-xlv_targoff LvTARGOFF(sv) STRLEN
-xlv_targlen LvTARGLEN(sv) STRLEN
-xlv_targ LvTARG(sv) svindex
-xlv_type LvTYPE(sv) char
-xbm_useful BmUSEFUL(sv) I32
-xbm_previous BmPREVIOUS(sv) U16
-xbm_rare BmRARE(sv) U8
-xfm_lines FmLINES(sv) I32
-xio_lines IoLINES(sv) long
-xio_page IoPAGE(sv) long
-xio_page_len IoPAGE_LEN(sv) long
-xio_lines_left IoLINES_LEFT(sv) long
-xio_top_name IoTOP_NAME(sv) pvcontents
-xio_top_gv *(SV**)&IoTOP_GV(sv) svindex
-xio_fmt_name IoFMT_NAME(sv) pvcontents
-xio_fmt_gv *(SV**)&IoFMT_GV(sv) svindex
-xio_bottom_name IoBOTTOM_NAME(sv) pvcontents
-xio_bottom_gv *(SV**)&IoBOTTOM_GV(sv) svindex
-xio_subprocess IoSUBPROCESS(sv) short
-xio_type IoTYPE(sv) char
-xio_flags IoFLAGS(sv) char
-xcv_stash *(SV**)&CvSTASH(sv) svindex
-xcv_start CvSTART(sv) opindex
-xcv_root CvROOT(sv) opindex
-xcv_gv *(SV**)&CvGV(sv) svindex
-xcv_filegv *(SV**)&CvFILEGV(sv) svindex
-xcv_depth CvDEPTH(sv) long
-xcv_padlist *(SV**)&CvPADLIST(sv) svindex
-xcv_outside *(SV**)&CvOUTSIDE(sv) svindex
-xcv_flags CvFLAGS(sv) U8
-av_extend sv SSize_t x
-av_push sv svindex x
-xav_fill AvFILL(sv) SSize_t
-xav_max AvMAX(sv) SSize_t
-xav_flags AvFLAGS(sv) U8
-xhv_riter HvRITER(sv) I32
-xhv_name HvNAME(sv) pvcontents
-hv_store sv svindex x
-sv_magic sv char x
-mg_obj SvMAGIC(sv)->mg_obj svindex
-mg_private SvMAGIC(sv)->mg_private U16
-mg_flags SvMAGIC(sv)->mg_flags U8
-mg_pv SvMAGIC(sv) pvcontents x
-xmg_stash *(SV**)&SvSTASH(sv) svindex
-gv_fetchpv sv strconst x
-gv_stashpv sv strconst x
-gp_sv GvSV(sv) svindex
-gp_refcnt GvREFCNT(sv) U32
-gp_refcnt_add GvREFCNT(sv) I32 x
-gp_av *(SV**)&GvAV(sv) svindex
-gp_hv *(SV**)&GvHV(sv) svindex
-gp_cv *(SV**)&GvCV(sv) svindex
-gp_filegv *(SV**)&GvFILEGV(sv) svindex
-gp_io *(SV**)&GvIOp(sv) svindex
-gp_form *(SV**)&GvFORM(sv) svindex
-gp_cvgen GvCVGEN(sv) U32
-gp_line GvLINE(sv) line_t
-gp_share sv svindex x
-xgv_flags GvFLAGS(sv) U8
-op_next op->op_next opindex
-op_sibling op->op_sibling opindex
-op_ppaddr op->op_ppaddr strconst x
-op_targ op->op_targ PADOFFSET
-op_type op OPCODE x
-op_seq op->op_seq U16
-op_flags op->op_flags U8
-op_private op->op_private U8
-op_first cUNOP->op_first opindex
-op_last cBINOP->op_last opindex
-op_other cLOGOP->op_other opindex
-op_true cCONDOP->op_true opindex
-op_false cCONDOP->op_false opindex
-op_children cLISTOP->op_children U32
-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 op pvcontents x
-op_pmshort cPMOP->op_pmshort svindex
-op_pmflags cPMOP->op_pmflags U16
-op_pmpermflags cPMOP->op_pmpermflags U16
-op_pmslen cPMOP->op_pmslen char
-op_sv cSVOP->op_sv svindex
-op_gv *(SV**)&cGVOP->op_gv svindex
-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 pvcontents
-cop_stash *(SV**)&cCOP->cop_stash svindex
-cop_filegv *(SV**)&cCOP->cop_filegv svindex
-cop_seq cCOP->cop_seq U32
-cop_arybase cCOP->cop_arybase I32
-cop_line cCOP->cop_line line_t
-main_start main_start opindex
-main_root main_root opindex
-curpad curpad svindex x
+ret none none x
+ldsv bytecode_sv svindex
+ldop PL_op opindex
+stsv bytecode_sv U32 s
+stop PL_op U32 s
+ldspecsv bytecode_sv U8 x
+newsv bytecode_sv U8 x
+newop PL_op U8 x
+newopn PL_op U8 x
+newpv none PV
+pv_cur bytecode_pv.xpv_cur STRLEN
+pv_free bytecode_pv none x
+sv_upgrade bytecode_sv char x
+sv_refcnt SvREFCNT(bytecode_sv) U32
+sv_refcnt_add SvREFCNT(bytecode_sv) I32 x
+sv_flags SvFLAGS(bytecode_sv) U32
+xrv SvRV(bytecode_sv) svindex
+xpv bytecode_sv none x
+xiv32 SvIVX(bytecode_sv) I32
+xiv64 SvIVX(bytecode_sv) IV64
+xnv SvNVX(bytecode_sv) double
+xlv_targoff LvTARGOFF(bytecode_sv) STRLEN
+xlv_targlen LvTARGLEN(bytecode_sv) STRLEN
+xlv_targ LvTARG(bytecode_sv) svindex
+xlv_type LvTYPE(bytecode_sv) char
+xbm_useful BmUSEFUL(bytecode_sv) I32
+xbm_previous BmPREVIOUS(bytecode_sv) U16
+xbm_rare BmRARE(bytecode_sv) U8
+xfm_lines FmLINES(bytecode_sv) I32
+xio_lines IoLINES(bytecode_sv) long
+xio_page IoPAGE(bytecode_sv) long
+xio_page_len IoPAGE_LEN(bytecode_sv) long
+xio_lines_left IoLINES_LEFT(bytecode_sv) long
+xio_top_name IoTOP_NAME(bytecode_sv) pvcontents
+xio_top_gv *(SV**)&IoTOP_GV(bytecode_sv) svindex
+xio_fmt_name IoFMT_NAME(bytecode_sv) pvcontents
+xio_fmt_gv *(SV**)&IoFMT_GV(bytecode_sv) svindex
+xio_bottom_name IoBOTTOM_NAME(bytecode_sv) pvcontents
+xio_bottom_gv *(SV**)&IoBOTTOM_GV(bytecode_sv) svindex
+xio_subprocess IoSUBPROCESS(bytecode_sv) short
+xio_type IoTYPE(bytecode_sv) char
+xio_flags IoFLAGS(bytecode_sv) char
+xcv_stash *(SV**)&CvSTASH(bytecode_sv) svindex
+xcv_start CvSTART(bytecode_sv) opindex
+xcv_root CvROOT(bytecode_sv) opindex
+xcv_gv *(SV**)&CvGV(bytecode_sv) svindex
+xcv_filegv *(SV**)&CvFILEGV(bytecode_sv) svindex
+xcv_depth CvDEPTH(bytecode_sv) long
+xcv_padlist *(SV**)&CvPADLIST(bytecode_sv) svindex
+xcv_outside *(SV**)&CvOUTSIDE(bytecode_sv) svindex
+xcv_flags CvFLAGS(bytecode_sv) U8
+av_extend bytecode_sv SSize_t x
+av_push bytecode_sv svindex x
+xav_fill AvFILLp(bytecode_sv) SSize_t
+xav_max AvMAX(bytecode_sv) SSize_t
+xav_flags AvFLAGS(bytecode_sv) U8
+xhv_riter HvRITER(bytecode_sv) I32
+xhv_name HvNAME(bytecode_sv) pvcontents
+hv_store bytecode_sv svindex x
+sv_magic bytecode_sv char x
+mg_obj SvMAGIC(bytecode_sv)->mg_obj svindex
+mg_private SvMAGIC(bytecode_sv)->mg_private U16
+mg_flags SvMAGIC(bytecode_sv)->mg_flags U8
+mg_pv SvMAGIC(bytecode_sv) pvcontents x
+xmg_stash *(SV**)&SvSTASH(bytecode_sv) svindex
+gv_fetchpv bytecode_sv strconst x
+gv_stashpv bytecode_sv strconst x
+gp_sv GvSV(bytecode_sv) svindex
+gp_refcnt GvREFCNT(bytecode_sv) U32
+gp_refcnt_add GvREFCNT(bytecode_sv) I32 x
+gp_av *(SV**)&GvAV(bytecode_sv) svindex
+gp_hv *(SV**)&GvHV(bytecode_sv) svindex
+gp_cv *(SV**)&GvCV(bytecode_sv) svindex
+gp_filegv *(SV**)&GvFILEGV(bytecode_sv) svindex
+gp_io *(SV**)&GvIOp(bytecode_sv) svindex
+gp_form *(SV**)&GvFORM(bytecode_sv) svindex
+gp_cvgen GvCVGEN(bytecode_sv) U32
+gp_line GvLINE(bytecode_sv) line_t
+gp_share bytecode_sv svindex x
+xgv_flags GvFLAGS(bytecode_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_true cCONDOP->op_true opindex
+op_false cCONDOP->op_false opindex
+op_children cLISTOP->op_children U32
+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_gv *(SV**)&cGVOP->op_gv svindex
+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 pvcontents
+cop_stash *(SV**)&cCOP->cop_stash svindex
+cop_filegv *(SV**)&cCOP->cop_filegv svindex
+cop_seq cCOP->cop_seq U32
+cop_arybase cCOP->cop_arybase I32
+cop_line cCOP->cop_line line_t
+cop_warnings cCOP->cop_warnings svindex
+main_start PL_main_start opindex
+main_root PL_main_root opindex
+curpad PL_curpad svindex x