use Carp;
use strict;
use Config;
-my $handle_VC_problem = "";
-$handle_VC_problem="{0}," if $^O eq 'MSWin32' and $Config{cc} =~ /^cl/i;
my $hv_index = 0;
my $gv_index = 0;
my $nullop_count;
my $pv_copy_on_grow = 0;
my ($debug_cops, $debug_av, $debug_cv, $debug_mg);
+my $max_string_len;
my @threadsv_names;
BEGIN {
$init->add(sprintf("(void)find_threadsv(%s);",
cstring($threadsv_names[$op->targ])));
}
- $opsect->add(sprintf("s\\_%x, s\\_%x, %s,$handle_VC_problem %u, %u, %u, 0x%x, 0x%x",
- ${$op->next}, ${$op->sibling}, $op->ppaddr, $op->targ,
+ $opsect->add(sprintf("s\\_%x, s\\_%x, NULL, %u, %u, %u, 0x%x, 0x%x",
+ ${$op->next}, ${$op->sibling}, $op->targ,
$type, $op_seq, $op->flags, $op->private));
- savesym($op, sprintf("&op_list[%d]", $opsect->index));
+ my $ix = $opsect->index;
+ $init->add(sprintf("op_list[$ix].op_ppaddr = %s;", $op->ppaddr));
+ savesym($op, "&op_list[$ix]");
}
sub B::FAKEOP::new {
sub B::FAKEOP::save {
my ($op, $level) = @_;
- $opsect->add(sprintf("%s, %s, %s,$handle_VC_problem %u, %u, %u, 0x%x, 0x%x",
- $op->next, $op->sibling, $op->ppaddr, $op->targ,
+ $opsect->add(sprintf("%s, %s, NULL, %u, %u, %u, 0x%x, 0x%x",
+ $op->next, $op->sibling, $op->targ,
$op->type, $op_seq, $op->flags, $op->private));
- return sprintf("&op_list[%d]", $opsect->index);
+ my $ix = $opsect->index;
+ $init->add(sprintf("op_list[$ix].op_ppaddr = %s;", $op->ppaddr));
+ return "&op_list[$ix]";
}
sub B::FAKEOP::next { $_[0]->{"next"} || 0 }
my ($op, $level) = @_;
my $sym = objsym($op);
return $sym if defined $sym;
- $unopsect->add(sprintf("s\\_%x, s\\_%x, %s,$handle_VC_problem %u, %u, %u, 0x%x, 0x%x, s\\_%x",
- ${$op->next}, ${$op->sibling}, $op->ppaddr,
+ $unopsect->add(sprintf("s\\_%x, s\\_%x, NULL, %u, %u, %u, 0x%x, 0x%x, s\\_%x",
+ ${$op->next}, ${$op->sibling},
$op->targ, $op->type, $op_seq, $op->flags,
$op->private, ${$op->first}));
- savesym($op, sprintf("(OP*)&unop_list[%d]", $unopsect->index));
+ my $ix = $unopsect->index;
+ $init->add(sprintf("unop_list[$ix].op_ppaddr = %s;", $op->ppaddr));
+ savesym($op, "(OP*)&unop_list[$ix]");
}
sub B::BINOP::save {
my ($op, $level) = @_;
my $sym = objsym($op);
return $sym if defined $sym;
- $binopsect->add(sprintf("s\\_%x, s\\_%x, %s,$handle_VC_problem %u, %u, %u, 0x%x, 0x%x, s\\_%x, s\\_%x",
- ${$op->next}, ${$op->sibling}, $op->ppaddr,
+ $binopsect->add(sprintf("s\\_%x, s\\_%x, NULL, %u, %u, %u, 0x%x, 0x%x, s\\_%x, s\\_%x",
+ ${$op->next}, ${$op->sibling},
$op->targ, $op->type, $op_seq, $op->flags,
$op->private, ${$op->first}, ${$op->last}));
- savesym($op, sprintf("(OP*)&binop_list[%d]", $binopsect->index));
+ my $ix = $binopsect->index;
+ $init->add(sprintf("binop_list[$ix].op_ppaddr = %s;", $op->ppaddr));
+ savesym($op, "(OP*)&binop_list[$ix]");
}
sub B::LISTOP::save {
my ($op, $level) = @_;
my $sym = objsym($op);
return $sym if defined $sym;
- $listopsect->add(sprintf("s\\_%x, s\\_%x, %s,$handle_VC_problem %u, %u, %u, 0x%x, 0x%x, s\\_%x, s\\_%x, %u",
- ${$op->next}, ${$op->sibling}, $op->ppaddr,
+ $listopsect->add(sprintf("s\\_%x, s\\_%x, NULL, %u, %u, %u, 0x%x, 0x%x, s\\_%x, s\\_%x",
+ ${$op->next}, ${$op->sibling},
$op->targ, $op->type, $op_seq, $op->flags,
- $op->private, ${$op->first}, ${$op->last},
- $op->children));
- savesym($op, sprintf("(OP*)&listop_list[%d]", $listopsect->index));
+ $op->private, ${$op->first}, ${$op->last}));
+ my $ix = $listopsect->index;
+ $init->add(sprintf("listop_list[$ix].op_ppaddr = %s;", $op->ppaddr));
+ savesym($op, "(OP*)&listop_list[$ix]");
}
sub B::LOGOP::save {
my ($op, $level) = @_;
my $sym = objsym($op);
return $sym if defined $sym;
- $logopsect->add(sprintf("s\\_%x, s\\_%x, %s,$handle_VC_problem %u, %u, %u, 0x%x, 0x%x, s\\_%x, s\\_%x",
- ${$op->next}, ${$op->sibling}, $op->ppaddr,
+ $logopsect->add(sprintf("s\\_%x, s\\_%x, NULL, %u, %u, %u, 0x%x, 0x%x, s\\_%x, s\\_%x",
+ ${$op->next}, ${$op->sibling},
$op->targ, $op->type, $op_seq, $op->flags,
$op->private, ${$op->first}, ${$op->other}));
- savesym($op, sprintf("(OP*)&logop_list[%d]", $logopsect->index));
+ my $ix = $logopsect->index;
+ $init->add(sprintf("logop_list[$ix].op_ppaddr = %s;", $op->ppaddr));
+ savesym($op, "(OP*)&logop_list[$ix]");
}
sub B::LOOP::save {
#warn sprintf("LOOP: redoop %s, nextop %s, lastop %s\n",
# peekop($op->redoop), peekop($op->nextop),
# peekop($op->lastop)); # debug
- $loopsect->add(sprintf("s\\_%x, s\\_%x, %s,$handle_VC_problem %u, %u, %u, 0x%x, 0x%x, s\\_%x, s\\_%x, %u, s\\_%x, s\\_%x, s\\_%x",
- ${$op->next}, ${$op->sibling}, $op->ppaddr,
+ $loopsect->add(sprintf("s\\_%x, s\\_%x, NULL, %u, %u, %u, 0x%x, 0x%x, s\\_%x, s\\_%x, s\\_%x, s\\_%x, s\\_%x",
+ ${$op->next}, ${$op->sibling},
$op->targ, $op->type, $op_seq, $op->flags,
$op->private, ${$op->first}, ${$op->last},
- $op->children, ${$op->redoop}, ${$op->nextop},
+ ${$op->redoop}, ${$op->nextop},
${$op->lastop}));
- savesym($op, sprintf("(OP*)&loop_list[%d]", $loopsect->index));
+ my $ix = $loopsect->index;
+ $init->add(sprintf("loop_list[$ix].op_ppaddr = %s;", $op->ppaddr));
+ savesym($op, "(OP*)&loop_list[$ix]");
}
sub B::PVOP::save {
my ($op, $level) = @_;
my $sym = objsym($op);
return $sym if defined $sym;
- $pvopsect->add(sprintf("s\\_%x, s\\_%x, %s, $handle_VC_problem %u, %u, %u, 0x%x, 0x%x, %s",
- ${$op->next}, ${$op->sibling}, $op->ppaddr,
+ $pvopsect->add(sprintf("s\\_%x, s\\_%x, NULL, %u, %u, %u, 0x%x, 0x%x, %s",
+ ${$op->next}, ${$op->sibling},
$op->targ, $op->type, $op_seq, $op->flags,
$op->private, cstring($op->pv)));
- savesym($op, sprintf("(OP*)&pvop_list[%d]", $pvopsect->index));
+ my $ix = $pvopsect->index;
+ $init->add(sprintf("pvop_list[$ix].op_ppaddr = %s;", $op->ppaddr));
+ savesym($op, "(OP*)&pvop_list[$ix]");
}
sub B::SVOP::save {
my $sym = objsym($op);
return $sym if defined $sym;
my $svsym = $op->sv->save;
- $svopsect->add(sprintf("s\\_%x, s\\_%x, %s,$handle_VC_problem %u, %u, %u, 0x%x, 0x%x, Nullsv",
- ${$op->next}, ${$op->sibling}, $op->ppaddr,
+ $svopsect->add(sprintf("s\\_%x, s\\_%x, NULL, %u, %u, %u, 0x%x, 0x%x, Nullsv",
+ ${$op->next}, ${$op->sibling},
$op->targ, $op->type, $op_seq, $op->flags,
$op->private));
- $init->add(sprintf("svop_list[%d].op_sv = %s;", $svopsect->index, "(SV*)$svsym"));
- savesym($op, sprintf("(OP*)&svop_list[%d]", $svopsect->index));
+ my $ix = $svopsect->index;
+ $init->add(sprintf("svop_list[$ix].op_ppaddr = %s;", $op->ppaddr));
+ $init->add("svop_list[$ix].op_sv = (SV*)$svsym;");
+ savesym($op, "(OP*)&svop_list[$ix]");
}
sub B::PADOP::save {
my ($op, $level) = @_;
my $sym = objsym($op);
return $sym if defined $sym;
- $padopsect->add(sprintf("s\\_%x, s\\_%x, %s,$handle_VC_problem %u, %u, %u, 0x%x, 0x%x, Nullgv",
- ${$op->next}, ${$op->sibling}, $op->ppaddr,
+ $padopsect->add(sprintf("s\\_%x, s\\_%x, NULL, %u, %u, %u, 0x%x, 0x%x, 0",
+ ${$op->next}, ${$op->sibling},
$op->targ, $op->type, $op_seq, $op->flags,
$op->private));
- $init->add(sprintf("padop_list[%d].op_padix = %ld;",
- $padopsect->index, $op->padix));
- savesym($op, sprintf("(OP*)&padop_list[%d]", $padopsect->index));
+ $init->add(sprintf("padop_list[%d].op_ppaddr = %s;", $padopsect->index, $op->ppaddr));
+ my $ix = $padopsect->index;
+ $init->add(sprintf("padop_list[$ix].op_padix = %ld;", $op->padix));
+ savesym($op, "(OP*)&padop_list[$ix]");
}
sub B::COP::save {
return $sym if defined $sym;
warn sprintf("COP: line %d file %s\n", $op->line, $op->file)
if $debug_cops;
- $copsect->add(sprintf("s\\_%x, s\\_%x, %s,$handle_VC_problem %u, %u, %u, 0x%x, 0x%x, %s, Nullhv, Nullgv, %u, %d, %u",
- ${$op->next}, ${$op->sibling}, $op->ppaddr,
+ $copsect->add(sprintf("s\\_%x, s\\_%x, NULL, %u, %u, %u, 0x%x, 0x%x, %s, NULL, NULL, %u, %d, %u",
+ ${$op->next}, ${$op->sibling},
$op->targ, $op->type, $op_seq, $op->flags,
$op->private, cstring($op->label), $op->cop_seq,
$op->arybase, $op->line));
- my $copix = $copsect->index;
- $init->add(sprintf("CopFILE_set(&cop_list[%d], %s);", $copix, cstring($op->file)),
- sprintf("CopSTASHPV_set(&cop_list[%d], %s);", $copix, cstring($op->stashpv)));
- savesym($op, "(OP*)&cop_list[$copix]");
+ my $ix = $copsect->index;
+ $init->add(sprintf("cop_list[$ix].op_ppaddr = %s;", $op->ppaddr));
+ $init->add(sprintf("CopFILE_set(&cop_list[$ix], %s);", cstring($op->file)),
+ sprintf("CopSTASHPV_set(&cop_list[$ix], %s);", cstring($op->stashpv)));
+ savesym($op, "(OP*)&cop_list[$ix]");
}
sub B::PMOP::save {
# pmnext handling is broken in perl itself, I think. Bad op_pmnext
# fields aren't noticed in perl's runtime (unless you try reset) but we
# segfault when trying to dereference it to find op->op_pmnext->op_type
- $pmopsect->add(sprintf("s\\_%x, s\\_%x, %s,$handle_VC_problem %u, %u, %u, 0x%x, 0x%x, s\\_%x, s\\_%x, %u, %s, %s, 0, 0, 0x%x, 0x%x",
- ${$op->next}, ${$op->sibling}, $ppaddr, $op->targ,
+ $pmopsect->add(sprintf("s\\_%x, s\\_%x, NULL, %u, %u, %u, 0x%x, 0x%x, s\\_%x, s\\_%x, %s, %s, 0, 0, 0x%x, 0x%x",
+ ${$op->next}, ${$op->sibling}, $op->targ,
$op->type, $op_seq, $op->flags, $op->private,
- ${$op->first}, ${$op->last}, $op->children,
+ ${$op->first}, ${$op->last},
$replrootfield, $replstartfield,
$op->pmflags, $op->pmpermflags,));
my $pm = sprintf("pmop_list[%d]", $pmopsect->index);
+ $init->add(sprintf("$pm.op_ppaddr = %s;", $ppaddr));
my $re = $op->precomp;
if (defined($re)) {
my $resym = sprintf("re%d", $re_index++);
if ($gvsym) {
$init->add("$pm.op_pmreplroot = (OP*)$gvsym;");
}
- savesym($op, sprintf("(OP*)&pmop_list[%d]", $pmopsect->index));
+ savesym($op, "(OP*)&$pm");
}
sub B::SPECIAL::save {
return $sym if defined $sym;
# warn "Saving SVt_NULL SV\n"; # debug
# debug
- #if ($$sv == 0) {
- # warn "NULL::save for sv = 0 called from @{[(caller(1))[3]]}\n";
- #}
+ if ($$sv == 0) {
+ warn "NULL::save for sv = 0 called from @{[(caller(1))[3]]}\n";
+ return savesym($sv, "Nullsv /* XXX */");
+ }
$svsect->add(sprintf("0, %u, 0x%x", $sv->REFCNT , $sv->FLAGS));
return savesym($sv, sprintf("&sv_list[%d]", $svsect->index));
}
return savesym($sv, sprintf("&sv_list[%d]", $svsect->index));
}
+sub savepvn {
+ my ($dest,$pv) = @_;
+ my @res;
+ if (defined $max_string_len && length($pv) > $max_string_len) {
+ push @res, sprintf("New(0,%s,%u,char);", $dest, length($pv)+1);
+ my $offset = 0;
+ while (length $pv) {
+ my $str = substr $pv, 0, $max_string_len, '';
+ push @res, sprintf("Copy(%s,$dest+$offset,%u,char);",
+ cstring($str), length($str));
+ $offset += length $str;
+ }
+ push @res, sprintf("%s[%u] = '\\0';", $dest, $offset);
+ }
+ else {
+ push @res, sprintf("%s = savepvn(%s, %u);", $dest,
+ cstring($pv), length($pv));
+ }
+ return @res;
+}
+
sub B::PVLV::save {
my ($sv) = @_;
my $sym = objsym($sv);
$svsect->add(sprintf("&xpvlv_list[%d], %lu, 0x%x",
$xpvlvsect->index, $sv->REFCNT , $sv->FLAGS));
if (!$pv_copy_on_grow) {
- $init->add(sprintf("xpvlv_list[%d].xpv_pv = savepvn(%s, %u);",
- $xpvlvsect->index, cstring($pv), $len));
+ $init->add(savepvn(sprintf("xpvlv_list[%d].xpv_pv",
+ $xpvlvsect->index), $pv));
}
$sv->save_magic;
return savesym($sv, sprintf("&sv_list[%d]", $svsect->index));
$svsect->add(sprintf("&xpviv_list[%d], %u, 0x%x",
$xpvivsect->index, $sv->REFCNT , $sv->FLAGS));
if (!$pv_copy_on_grow) {
- $init->add(sprintf("xpviv_list[%d].xpv_pv = savepvn(%s, %u);",
- $xpvivsect->index, cstring($pv), $len));
+ $init->add(savepvn(sprintf("xpviv_list[%d].xpv_pv",
+ $xpvivsect->index), $pv));
}
return savesym($sv, sprintf("&sv_list[%d]", $svsect->index));
}
$svsect->add(sprintf("&xpvnv_list[%d], %lu, 0x%x",
$xpvnvsect->index, $sv->REFCNT , $sv->FLAGS));
if (!$pv_copy_on_grow) {
- $init->add(sprintf("xpvnv_list[%d].xpv_pv = savepvn(%s,%u);",
- $xpvnvsect->index, cstring($pv), $len));
+ $init->add(savepvn(sprintf("xpvnv_list[%d].xpv_pv",
+ $xpvnvsect->index), $pv));
}
return savesym($sv, sprintf("&sv_list[%d]", $svsect->index));
}
$svsect->add(sprintf("&xpvbm_list[%d], %lu, 0x%x",
$xpvbmsect->index, $sv->REFCNT , $sv->FLAGS));
$sv->save_magic;
- $init->add(sprintf("xpvbm_list[%d].xpv_pv = savepvn(%s, %u);",
- $xpvbmsect->index, cstring($pv), $len),
+ $init->add(savepvn(sprintf("xpvbm_list[%d].xpv_pv",
+ $xpvbmsect->index), $pv),
sprintf("xpvbm_list[%d].xpv_cur = %u;",
$xpvbmsect->index, $len - 257));
return savesym($sv, sprintf("&sv_list[%d]", $svsect->index));
$svsect->add(sprintf("&xpv_list[%d], %lu, 0x%x",
$xpvsect->index, $sv->REFCNT , $sv->FLAGS));
if (!$pv_copy_on_grow) {
- $init->add(sprintf("xpv_list[%d].xpv_pv = savepvn(%s, %u);",
- $xpvsect->index, cstring($pv), $len));
+ $init->add(savepvn(sprintf("xpv_list[%d].xpv_pv",
+ $xpvsect->index), $pv));
}
return savesym($sv, sprintf("&sv_list[%d]", $svsect->index));
}
$svsect->add(sprintf("&xpvmg_list[%d], %lu, 0x%x",
$xpvmgsect->index, $sv->REFCNT , $sv->FLAGS));
if (!$pv_copy_on_grow) {
- $init->add(sprintf("xpvmg_list[%d].xpv_pv = savepvn(%s, %u);",
- $xpvmgsect->index, cstring($pv), $len));
+ $init->add(savepvn(sprintf("xpvmg_list[%d].xpv_pv",
+ $xpvmgsect->index), $pv));
}
$sym = savesym($sv, sprintf("&sv_list[%d]", $svsect->index));
$sv->save_magic;
$sym = savesym($gv, "gv_list[$ix]");
#warn sprintf("Saving GV 0x%x as $sym\n", $$gv); # debug
}
+ my $is_empty = $gv->is_empty;
my $gvname = $gv->NAME;
my $name = cstring($gv->STASH->NAME . "::" . $gvname);
#warn "GV name is $name\n"; # debug
- my $egv = $gv->EGV;
my $egvsym;
- if ($$gv != $$egv) {
- #warn(sprintf("EGV name is %s, saving it now\n",
- # $egv->STASH->NAME . "::" . $egv->NAME)); # debug
- $egvsym = $egv->save;
+ unless ($is_empty) {
+ my $egv = $gv->EGV;
+ if ($$gv != $$egv) {
+ #warn(sprintf("EGV name is %s, saving it now\n",
+ # $egv->STASH->NAME . "::" . $egv->NAME)); # debug
+ $egvsym = $egv->save;
+ }
}
$init->add(qq[$sym = gv_fetchpv($name, TRUE, SVt_PV);],
sprintf("SvFLAGS($sym) = 0x%x;", $gv->FLAGS),
- sprintf("GvFLAGS($sym) = 0x%x;", $gv->GvFLAGS),
- sprintf("GvLINE($sym) = %u;", $gv->LINE));
+ sprintf("GvFLAGS($sym) = 0x%x;", $gv->GvFLAGS));
+ $init->add(sprintf("GvLINE($sym) = %u;", $gv->LINE)) unless $is_empty;
+
# Shouldn't need to do save_magic since gv_fetchpv handles that
#$gv->save_magic;
my $refcnt = $gv->REFCNT + 1;
$init->add(sprintf("SvREFCNT($sym) += %u;", $refcnt - 1)) if $refcnt > 1;
+
+ return $sym if $is_empty;
+
my $gvrefcnt = $gv->GvREFCNT;
if ($gvrefcnt > 1) {
$init->add(sprintf("GvREFCNT($sym) += %u;", $gvrefcnt - 1));
print <<"EOT";
static int $init_name()
{
- dTHR;
dTARG;
- djSP;
+ dSP;
EOT
$init->output(\*STDOUT, "\t%s\n");
print "\treturn 0;\n}\n";
STRLEN xpv_cur; /* length of xp_pv as a C string */
STRLEN xpv_len; /* allocated size */
IV xof_off; /* integer value */
- double xnv_nv; /* numeric value, if any */
+ NV xnv_nv; /* numeric value, if any */
MAGIC* xmg_magic; /* magic for scalar array */
HV* xmg_stash; /* class package */
HV * xcv_stash;
OP * xcv_start;
OP * xcv_root;
- void (*xcv_xsub) (CV*);
- void * xcv_xsubany;
+ void (*xcv_xsub) (pTHXo_ CV*);
+ ANY xcv_xsubany;
GV * xcv_gv;
char * xcv_file;
long xcv_depth; /* >= 2 indicates recursive call */
perl_mutex *xcv_mutexp;
struct perl_thread *xcv_owner; /* current owner thread */
#endif /* USE_THREADS */
- U8 xcv_flags;
+ cv_flags_t xcv_flags;
} XPVCV_or_similar;
#define ANYINIT(i) i
#else
print <<'EOT';
#include "EXTERN.h"
#include "perl.h"
+#include "XSUB.h"
/* Workaround for mapstart: the only op which needs a different ppaddr */
#undef Perl_pp_mapstart
{
char *file = __FILE__;
dTARG;
- djSP;
+ dSP;
EOT
print "\n#ifdef USE_DYNAMIC_LOADING";
print qq/\n\tnewXS("DynaLoader::boot_DynaLoader", boot_DynaLoader, file);/;
{
char *file = __FILE__;
dTARG;
- djSP;
+ dSP;
EOT
print("/* Dynamicboot strapping code*/\n\tSAVETMPS;\n");
print("\ttarg=sv_newmortal();\n");
# Now see if current package looks like an OO class this is probably too strong.
foreach my $m (qw(new DESTROY TIESCALAR TIEARRAY TIEHASH TIEHANDLE))
{
- if ($package->can($m))
+ if (UNIVERSAL::can($package, $m))
{
warn "$package has method $m: saving package\n";#debug
return mark_package($package);
if ($sym =~ /::$/)
{
$sym = $prefix . $sym;
- if ($sym ne "main::" && &$recurse($sym))
+ if ($sym ne "main::" && $sym ne "<none>::" && &$recurse($sym))
{
walkpackages(\%glob, $recurse, $sym);
}
# Optimisations for -O1
$pv_copy_on_grow = 1;
}
+ } elsif ($opt eq "l") {
+ $max_string_len = $arg;
}
}
init_sections();
Optimisation level (n = 0, 1, 2, ...). B<-O> means B<-O1>. Currently,
B<-O1> and higher set B<-fcog>.
+=item B<-llimit>
+
+Some C compilers impose an arbitrary limit on the length of string
+constants (e.g. 2048 characters for Microsoft Visual C++). The
+B<-llimit> options tells the C backend not to generate string literals
+exceeding that limit.
+
+=back
+
=head1 EXAMPLES
perl -MO=C,-ofoo.c foo.pl
library directory. The utility called C<perlcc> may also be used to
help make use of this compiler.
- perl -MO=C,-v,-DcA bar.pl > /dev/null
+ perl -MO=C,-v,-DcA,-l2048 bar.pl > /dev/null
=head1 BUGS