[perl5.git] / bytecode.pl

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 (%alias_from, $from, $tos);
while (($from, $tos) = each %alias_to) {
    map { $alias_from{$_} = $from } @$tos;
}

my $c_header = <<'EOT';
/*
 *      Copyright (c) 1996, 1997 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;

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");
}

#
# Start with boilerplate for Asmdata.pm
#
open(ASMDATA_PM, ">Asmdata.pm") or die "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);
use vars qw(%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, ">byterun.c") or die "byterun.c: $!";
print BYTERUN_C $c_header, <<'EOT';

#include "EXTERN.h"
#include "perl.h"
#include "bytecode.h"
#include "byterun.h"

#ifdef INDIRECT_BGET_MACROS
void byterun(bs)
struct bytestream bs;
#else
void byterun(fp)
FILE *fp;
#endif /* INDIRECT_BGET_MACROS */
{
    dTHR;
    int insn;
    while ((insn = 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 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:
	    croak("Illegal bytecode instruction %d\n", insn);
	    /* NOTREACHED */
	}
    }
}
EOT

#
# Write the instruction and optype enum constants into byterun.h
#
open(BYTERUN_H, ">byterun.h") or die "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*);
};
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

my $i = 0;
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], $i;
print BYTERUN_H <<'EOT';
EXT int optype_size[]
#ifdef DOINIT
= {
EOT
for ($i = 0; $i < @optype - 1; $i++) {
    printf BYTERUN_H "    sizeof(%s),\n", $optype[$i], $i;
}
printf BYTERUN_H "    sizeof(%s)\n}\n", $optype[$i], $i;
print BYTERUN_H <<'EOT';
#endif /* DOINIT */
;

EOT

printf BYTERUN_H <<'EOT', scalar(@specialsv);
EXT SV * specialsv_list[%d]
#ifdef DOINIT
EOT
print BYTERUN_H "= { ", join(", ", @specialsv), " }\n";
print BYTERUN_H <<'EOT';
#endif /* DOINIT */
;
EOT

#
# 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;
EOT

__END__
# First set instruction ord("#") to read comment to end-of-line (sneaky)
%number 35
comment		arg			comment
# 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		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
Commit	Line	Data
79ee8297 MB	1	use strict;
	2	my %alias_to = (
	3	U32 => [qw(PADOFFSET STRLEN)],
	4	I32 => [qw(SSize_t long)],
	5	U16 => [qw(OPCODE line_t short)],
	6	U8 => [qw(char)],
	7	objindex => [qw(svindex opindex)]
	8	);
	9
	10	my @optype= qw(OP UNOP BINOP LOGOP CONDOP LISTOP PMOP SVOP GVOP PVOP LOOP COP);
	11
	12	# Nullsv must come first in the following so that the condition
	13	# ($$sv == 0) can continue to be used to test (sv == Nullsv).
	14	my @specialsv = qw(Nullsv &sv_undef &sv_yes &sv_no);
	15
	16	my (%alias_from, $from, $tos);
	17	while (($from, $tos) = each %alias_to) {
	18	map { $alias_from{$_} = $from } @$tos;
	19	}
	20
	21	my $c_header = <<'EOT';
	22	/*
ed65db6c	23	* Copyright (c) 1996, 1997 Malcolm Beattie
79ee8297 MB	24	*
	25	* You may distribute under the terms of either the GNU General Public
	26	* License or the Artistic License, as specified in the README file.
	27	*
	28	*/
	29	/*
	30	* This file is autogenerated from bytecode.pl. Changes made here will be lost.
	31	*/
	32	EOT
	33
	34	my $perl_header;
	35	($perl_header = $c_header) =~ s{[/ ]?\*/?}{#}g;
	36
	37	if (-f "byterun.c") {
	38	rename("byterun.c", "byterun.c.old");
	39	}
	40	if (-f "byterun.h") {
	41	rename("byterun.h", "byterun.h.old");
	42	}
	43	if (-f "Asmdata.pm") {
	44	rename("Asmdata.pm", "Asmdata.pm.old");
	45	}
	46
	47	#
	48	# Start with boilerplate for Asmdata.pm
	49	#
	50	open(ASMDATA_PM, ">Asmdata.pm") or die "Asmdata.pm: $!";
	51	print ASMDATA_PM $perl_header, <<'EOT';
	52	package B::Asmdata;
	53	use Exporter;
	54	@ISA = qw(Exporter);
	55	@EXPORT_OK = qw(%insn_data @insn_name @optype @specialsv_name);
	56	use vars qw(%insn_data @insn_name @optype @specialsv_name);
	57
	58	EOT
	59	print ASMDATA_PM <<"EOT";
	60	\@optype = qw(@optype);
	61	\@specialsv_name = qw(@specialsv);
	62
	63	# XXX insn_data is initialised this way because with a large
	64	# %insn_data = (foo => [...], bar => [...], ...) initialiser
	65	# I get a hard-to-track-down stack underflow and segfault.
	66	EOT
	67
	68	#
	69	# Boilerplate for byterun.c
	70	#
	71	open(BYTERUN_C, ">byterun.c") or die "byterun.c: $!";
	72	print BYTERUN_C $c_header, <<'EOT';
	73
	74	#include "EXTERN.h"
	75	#include "perl.h"
	76	#include "bytecode.h"
	77	#include "byterun.h"
	78
	79	#ifdef INDIRECT_BGET_MACROS
	80	void byterun(bs)
	81	struct bytestream bs;
	82	#else
	83	void byterun(fp)
	84	FILE *fp;
	85	#endif /* INDIRECT_BGET_MACROS */
	86	{
ed65db6c	87	dTHR;
79ee8297 MB	88	int insn;
	89	while ((insn = FGETC()) != EOF) {
	90	switch (insn) {
	91	EOT
	92
	93
	94	my (@insn_name, $insn_num, $insn, $lvalue, $argtype, $flags, $fundtype);
	95
	96	while (<DATA>) {
	97	chop;
	98	s/#.*//; # remove comments
	99	next unless length;
	100	if (/^%number\s+(.*)/) {
	101	$insn_num = $1;
	102	next;
	103	} elsif (/%enum\s+(.?)\s+(.)/) {
	104	create_enum($1, $2); # must come before instructions
	105	next;
	106	}
	107	($insn, $lvalue, $argtype, $flags) = split;
	108	$insn_name[$insn_num] = $insn;
	109	$fundtype = $alias_from{$argtype} \|\| $argtype;
	110
	111	#
	112	# Add the case statement and code for the bytecode interpreter in byterun.c
	113	#
	114	printf BYTERUN_C "\t case INSN_%s:\t\t/* %d */\n\t {\n",
	115	uc($insn), $insn_num;
	116	my $optarg = $argtype eq "none" ? "" : ", arg";
	117	if ($optarg) {
	118	printf BYTERUN_C "\t\t$argtype arg;\n\t\tBGET_%s(arg);\n", $fundtype;
	119	}
	120	if ($flags =~ /x/) {
	121	print BYTERUN_C "\t\tBSET_$insn($lvalue$optarg);\n";
	122	} elsif ($flags =~ /s/) {
	123	# Store instructions store to obj_list[arg]. "lvalue" field is rvalue.
	124	print BYTERUN_C "\t\tBSET_OBJ_STORE($lvalue$optarg);\n";
	125	}
	126	elsif ($optarg && $lvalue ne "none") {
	127	print BYTERUN_C "\t\t$lvalue = arg;\n";
	128	}
	129	print BYTERUN_C "\t\tbreak;\n\t }\n";
	130
	131	#
	132	# Add the initialiser line for %insn_data in Asmdata.pm
	133	#
	134	print ASMDATA_PM <<"EOT";
	135	\$insn_data{$insn} = [$insn_num, \\&PUT_$fundtype, "GET_$fundtype"];
	136	EOT
	137
	138	# Find the next unused instruction number
	139	do { $insn_num++ } while $insn_name[$insn_num];
	140	}
	141
	142	#
	143	# Finish off byterun.c
	144	#
	145	print BYTERUN_C <<'EOT';
	146	default:
	147	croak("Illegal bytecode instruction %d\n", insn);
	148	/* NOTREACHED */
	149	}
	150	}
	151	}
152	EOT
153
154	#
155	# Write the instruction and optype enum constants into byterun.h
156	#
157	open(BYTERUN_H, ">byterun.h") or die "byterun.h: $!";
158	print BYTERUN_H $c_header, <<'EOT';
159	#ifdef INDIRECT_BGET_MACROS
160	struct bytestream {
161	void *data;
162	int (fgetc)(void );
163	int (fread)(char , size_t, size_t, void*);
164	void (freadpv)(U32, void);
165	};
166	void freadpv _((U32, void *));
167	void byterun _((struct bytestream));
168	#else
169	void byterun _((FILE *));
170	#endif /* INDIRECT_BGET_MACROS */
171
ed65db6c MB	172	#ifndef PATCHLEVEL
	173	#include "patchlevel.h"
	174	#endif
	175	#if PATCHLEVEL < 4 \|\| (PATCHLEVEL == 4 && SUBVERSION < 50)
	176	#define dTHR extern int errno
	177	#endif
	178
79ee8297 MB	179	enum {
	180	EOT
	181
	182	my $i = 0;
	183	my $add_enum_value = 0;
	184	my $max_insn;
	185	for ($i = 0; $i < @insn_name; $i++) {
	186	$insn = uc($insn_name[$i]);
	187	if (defined($insn)) {
	188	$max_insn = $i;
	189	if ($add_enum_value) {
	190	print BYTERUN_H " INSN_$insn = $i,\t\t\t/* $i */\n";
	191	$add_enum_value = 0;
	192	} else {
	193	print BYTERUN_H " INSN_$insn,\t\t\t/* $i */\n";
	194	}
	195	} else {
	196	$add_enum_value = 1;
	197	}
	198	}
	199
	200	print BYTERUN_H " MAX_INSN = $max_insn\n};\n";
	201
	202	print BYTERUN_H "\nenum {\n";
	203	for ($i = 0; $i < @optype - 1; $i++) {
	204	printf BYTERUN_H " OPt_%s,\t\t/* %d */\n", $optype[$i], $i;
	205	}
	206	printf BYTERUN_H " OPt_%s\t\t/* %d */\n};\n\n", $optype[$i], $i;
	207	print BYTERUN_H <<'EOT';
	208	EXT int optype_size[]
	209	#ifdef DOINIT
	210	= {
	211	EOT
	212	for ($i = 0; $i < @optype - 1; $i++) {
	213	printf BYTERUN_H " sizeof(%s),\n", $optype[$i], $i;
	214	}
	215	printf BYTERUN_H " sizeof(%s)\n}\n", $optype[$i], $i;
	216	print BYTERUN_H <<'EOT';
	217	#endif /* DOINIT */
	218	;
	219
	220	EOT
	221
	222	printf BYTERUN_H <<'EOT', scalar(@specialsv);
	223	EXT SV * specialsv_list[%d]
	224	#ifdef DOINIT
	225	EOT
	226	print BYTERUN_H "= { ", join(", ", @specialsv), " }\n";
	227	print BYTERUN_H <<'EOT';
	228	#endif /* DOINIT */
	229	;
	230	EOT
	231
	232	#
	233	# Finish off insn_data and create array initialisers in Asmdata.pm
	234	#
	235	print ASMDATA_PM <<'EOT';
	236
	237	my ($insn_name, $insn_data);
	238	while (($insn_name, $insn_data) = each %insn_data) {
	239	$insn_name[$insn_data->[0]] = $insn_name;
	240	}
	241	# Fill in any gaps
	242	@insn_name = map($_ \|\| "unused", @insn_name);
243
244	1;
245	EOT
246
247	__END__
248	# First set instruction ord("#") to read comment to end-of-line (sneaky)
249	%number 35
250	comment arg comment
251	# Then make ord("\n") into a no-op
252	%number 10
253	nop none none
254	# Now for the rest of the ordinary ones, beginning with \0 which is
255	# ret so that \0-terminated strings can be read properly as bytecode.
256	%number 0
257	#
258	#opcode lvalue argtype flags
259	#
260	ret none none x
261	ldsv sv svindex
262	ldop op opindex
263	stsv sv U32 s
264	stop op U32 s
265	ldspecsv sv U8 x
266	newsv sv U8 x
267	newop op U8 x
268	newopn op U8 x
269	newpv none PV
270	pv_cur pv.xpv_cur STRLEN
271	pv_free pv none x
272	sv_upgrade sv char x
273	sv_refcnt SvREFCNT(sv) U32
274	sv_refcnt_add SvREFCNT(sv) I32 x
275	sv_flags SvFLAGS(sv) U32
276	xrv SvRV(sv) svindex
277	xpv sv none x
278	xiv32 SvIVX(sv) I32
279	xiv64 SvIVX(sv) IV64
280	xnv SvNVX(sv) double
281	xlv_targoff LvTARGOFF(sv) STRLEN
282	xlv_targlen LvTARGLEN(sv) STRLEN
283	xlv_targ LvTARG(sv) svindex
284	xlv_type LvTYPE(sv) char
285	xbm_useful BmUSEFUL(sv) I32
286	xbm_previous BmPREVIOUS(sv) U16
287	xbm_rare BmRARE(sv) U8
288	xfm_lines FmLINES(sv) I32
289	xio_lines IoLINES(sv) long
290	xio_page IoPAGE(sv) long
291	xio_page_len IoPAGE_LEN(sv) long
292	xio_lines_left IoLINES_LEFT(sv) long
293	xio_top_name IoTOP_NAME(sv) pvcontents
f64a6365	294	xio_top_gv (SV*)&IoTOP_GV(sv) svindex
79ee8297	295	xio_fmt_name IoFMT_NAME(sv) pvcontents
f64a6365	296	xio_fmt_gv (SV*)&IoFMT_GV(sv) svindex
79ee8297	297	xio_bottom_name IoBOTTOM_NAME(sv) pvcontents
f64a6365	298	xio_bottom_gv (SV*)&IoBOTTOM_GV(sv) svindex
79ee8297 MB	299	xio_subprocess IoSUBPROCESS(sv) short
	300	xio_type IoTYPE(sv) char
	301	xio_flags IoFLAGS(sv) char
	302	xcv_stash (SV*)&CvSTASH(sv) svindex
	303	xcv_start CvSTART(sv) opindex
	304	xcv_root CvROOT(sv) opindex
f64a6365 MB	305	xcv_gv (SV*)&CvGV(sv) svindex
f64a6365 MB	306	xcv_filegv (SV*)&CvFILEGV(sv) svindex
79ee8297 MB	307	xcv_depth CvDEPTH(sv) long
	308	xcv_padlist (SV*)&CvPADLIST(sv) svindex
	309	xcv_outside (SV*)&CvOUTSIDE(sv) svindex
	310	xcv_flags CvFLAGS(sv) U8
	311	av_extend sv SSize_t x
	312	av_push sv svindex x
	313	xav_fill AvFILL(sv) SSize_t
	314	xav_max AvMAX(sv) SSize_t
	315	xav_flags AvFLAGS(sv) U8
	316	xhv_riter HvRITER(sv) I32
	317	xhv_name HvNAME(sv) pvcontents
	318	hv_store sv svindex x
	319	sv_magic sv char x
	320	mg_obj SvMAGIC(sv)->mg_obj svindex
	321	mg_private SvMAGIC(sv)->mg_private U16
	322	mg_flags SvMAGIC(sv)->mg_flags U8
	323	mg_pv SvMAGIC(sv) pvcontents x
	324	xmg_stash (SV*)&SvSTASH(sv) svindex
	325	gv_fetchpv sv strconst x
	326	gv_stashpv sv strconst x
	327	gp_sv GvSV(sv) svindex
	328	gp_refcnt GvREFCNT(sv) U32
	329	gp_refcnt_add GvREFCNT(sv) I32 x
	330	gp_av (SV*)&GvAV(sv) svindex
	331	gp_hv (SV*)&GvHV(sv) svindex
	332	gp_cv (SV*)&GvCV(sv) svindex
	333	gp_filegv (SV*)&GvFILEGV(sv) svindex
	334	gp_io (SV*)&GvIOp(sv) svindex
	335	gp_form (SV*)&GvFORM(sv) svindex
	336	gp_cvgen GvCVGEN(sv) U32
	337	gp_line GvLINE(sv) line_t
	338	gp_share sv svindex x
	339	xgv_flags GvFLAGS(sv) U8
	340	op_next op->op_next opindex
	341	op_sibling op->op_sibling opindex
	342	op_ppaddr op->op_ppaddr strconst x
	343	op_targ op->op_targ PADOFFSET
	344	op_type op OPCODE x
	345	op_seq op->op_seq U16
	346	op_flags op->op_flags U8
	347	op_private op->op_private U8
	348	op_first cUNOP->op_first opindex
	349	op_last cBINOP->op_last opindex
	350	op_other cLOGOP->op_other opindex
	351	op_true cCONDOP->op_true opindex
	352	op_false cCONDOP->op_false opindex
	353	op_children cLISTOP->op_children U32
	354	op_pmreplroot cPMOP->op_pmreplroot opindex
	355	op_pmreplrootgv (SV*)&cPMOP->op_pmreplroot svindex
	356	op_pmreplstart cPMOP->op_pmreplstart opindex
	357	op_pmnext (OP*)&cPMOP->op_pmnext opindex
	358	pregcomp op pvcontents x
	359	op_pmshort cPMOP->op_pmshort svindex
	360	op_pmflags cPMOP->op_pmflags U16
	361	op_pmpermflags cPMOP->op_pmpermflags U16
	362	op_pmslen cPMOP->op_pmslen char
	363	op_sv cSVOP->op_sv svindex
f64a6365	364	op_gv (SV*)&cGVOP->op_gv svindex
79ee8297 MB	365	op_pv cPVOP->op_pv pvcontents
	366	op_pv_tr cPVOP->op_pv op_tr_array
	367	op_redoop cLOOP->op_redoop opindex
	368	op_nextop cLOOP->op_nextop opindex
	369	op_lastop cLOOP->op_lastop opindex
	370	cop_label cCOP->cop_label pvcontents
	371	cop_stash (SV*)&cCOP->cop_stash svindex
f64a6365	372	cop_filegv (SV*)&cCOP->cop_filegv svindex
79ee8297 MB	373	cop_seq cCOP->cop_seq U32
	374	cop_arybase cCOP->cop_arybase I32
	375	cop_line cCOP->cop_line line_t
	376	main_start main_start opindex
	377	main_root main_root opindex
	378	curpad curpad svindex x