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1 | # C.pm |
2 | # |
1a52ab62 |
3 | # Copyright (c) 1996, 1997, 1998 Malcolm Beattie |
a798dbf2 |
4 | # |
5 | # You may distribute under the terms of either the GNU General Public |
6 | # License or the Artistic License, as specified in the README file. |
7 | # |
66a2622e |
8 | package B::C::Section; |
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9 | |
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10 | our $VERSION = '1.01'; |
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11 | |
66a2622e |
12 | use B (); |
13 | use base B::Section; |
14 | |
15 | sub new |
16 | { |
17 | my $class = shift; |
18 | my $o = $class->SUPER::new(@_); |
b326da91 |
19 | push @$o, { values => [] }; |
66a2622e |
20 | return $o; |
21 | } |
22 | |
23 | sub add |
b326da91 |
24 | { |
66a2622e |
25 | my $section = shift; |
b326da91 |
26 | push(@{$section->[-1]{values}},@_); |
66a2622e |
27 | } |
28 | |
29 | sub index |
b326da91 |
30 | { |
66a2622e |
31 | my $section = shift; |
b326da91 |
32 | return scalar(@{$section->[-1]{values}})-1; |
66a2622e |
33 | } |
34 | |
35 | sub output |
b326da91 |
36 | { |
66a2622e |
37 | my ($section, $fh, $format) = @_; |
38 | my $sym = $section->symtable || {}; |
39 | my $default = $section->default; |
9d2bbe64 |
40 | my $i; |
b326da91 |
41 | foreach (@{$section->[-1]{values}}) |
66a2622e |
42 | { |
43 | s{(s\\_[0-9a-f]+)}{ exists($sym->{$1}) ? $sym->{$1} : $default; }ge; |
9d2bbe64 |
44 | printf $fh $format, $_, $i; |
45 | ++$i; |
66a2622e |
46 | } |
47 | } |
48 | |
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49 | package B::C::InitSection; |
50 | |
9d2bbe64 |
51 | # avoid use vars |
52 | @B::C::InitSection::ISA = qw(B::C::Section); |
b326da91 |
53 | |
54 | sub new { |
55 | my $class = shift; |
9d2bbe64 |
56 | my $max_lines = 10000; #pop; |
b326da91 |
57 | my $section = $class->SUPER::new( @_ ); |
58 | |
59 | $section->[-1]{evals} = []; |
9d2bbe64 |
60 | $section->[-1]{chunks} = []; |
61 | $section->[-1]{nosplit} = 0; |
62 | $section->[-1]{current} = []; |
63 | $section->[-1]{count} = 0; |
64 | $section->[-1]{max_lines} = $max_lines; |
b326da91 |
65 | |
66 | return $section; |
67 | } |
68 | |
9d2bbe64 |
69 | sub split { |
70 | my $section = shift; |
71 | $section->[-1]{nosplit}-- |
72 | if $section->[-1]{nosplit} > 0; |
73 | } |
74 | |
75 | sub no_split { |
76 | shift->[-1]{nosplit}++; |
77 | } |
78 | |
79 | sub inc_count { |
80 | my $section = shift; |
81 | |
82 | $section->[-1]{count} += $_[0]; |
83 | # this is cheating |
84 | $section->add(); |
85 | } |
86 | |
87 | sub add { |
88 | my $section = shift->[-1]; |
89 | my $current = $section->{current}; |
90 | my $nosplit = $section->{nosplit}; |
91 | |
92 | push @$current, @_; |
93 | $section->{count} += scalar(@_); |
94 | if( !$nosplit && $section->{count} >= $section->{max_lines} ) { |
95 | push @{$section->{chunks}}, $current; |
96 | $section->{current} = []; |
97 | $section->{count} = 0; |
98 | } |
99 | } |
100 | |
b326da91 |
101 | sub add_eval { |
102 | my $section = shift; |
103 | my @strings = @_; |
104 | |
105 | foreach my $i ( @strings ) { |
106 | $i =~ s/\"/\\\"/g; |
107 | } |
108 | push @{$section->[-1]{evals}}, @strings; |
109 | } |
110 | |
111 | sub output { |
9d2bbe64 |
112 | my( $section, $fh, $format, $init_name ) = @_; |
113 | my $sym = $section->symtable || {}; |
114 | my $default = $section->default; |
115 | push @{$section->[-1]{chunks}}, $section->[-1]{current}; |
116 | |
117 | my $name = "aaaa"; |
118 | foreach my $i ( @{$section->[-1]{chunks}} ) { |
119 | print $fh <<"EOT"; |
120 | static int perl_init_${name}() |
121 | { |
122 | dTARG; |
123 | dSP; |
124 | EOT |
125 | foreach my $j ( @$i ) { |
126 | $j =~ s{(s\\_[0-9a-f]+)} |
127 | { exists($sym->{$1}) ? $sym->{$1} : $default; }ge; |
128 | print $fh "\t$j\n"; |
129 | } |
130 | print $fh "\treturn 0;\n}\n"; |
b326da91 |
131 | |
9d2bbe64 |
132 | $section->SUPER::add( "perl_init_${name}();" ); |
133 | ++$name; |
134 | } |
b326da91 |
135 | foreach my $i ( @{$section->[-1]{evals}} ) { |
9d2bbe64 |
136 | $section->SUPER::add( sprintf q{eval_pv("%s",1);}, $i ); |
b326da91 |
137 | } |
9d2bbe64 |
138 | |
139 | print $fh <<"EOT"; |
140 | static int ${init_name}() |
141 | { |
142 | dTARG; |
143 | dSP; |
144 | EOT |
145 | $section->SUPER::output( $fh, $format ); |
146 | print $fh "\treturn 0;\n}\n"; |
b326da91 |
147 | } |
148 | |
149 | |
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150 | package B::C; |
151 | use Exporter (); |
9d2bbe64 |
152 | our %REGEXP; |
153 | |
154 | { # block necessary for caller to work |
155 | my $caller = caller; |
156 | if( $caller eq 'O' ) { |
157 | require XSLoader; |
158 | XSLoader::load( 'B::C' ); |
159 | } |
160 | } |
161 | |
a798dbf2 |
162 | @ISA = qw(Exporter); |
0cc1d052 |
163 | @EXPORT_OK = qw(output_all output_boilerplate output_main mark_unused |
164 | init_sections set_callback save_unused_subs objsym save_context); |
a798dbf2 |
165 | |
166 | use B qw(minus_c sv_undef walkoptree walksymtable main_root main_start peekop |
167 | class cstring cchar svref_2object compile_stats comppadlist hash |
9d2bbe64 |
168 | threadsv_names main_cv init_av end_av regex_padav opnumber amagic_generation |
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169 | AVf_REAL HEf_SVKEY SVf_POK SVf_ROK CVf_CONST); |
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170 | use B::Asmdata qw(@specialsv_name); |
171 | |
172 | use FileHandle; |
173 | use Carp; |
174 | use strict; |
f0cd5c3a |
175 | use Config; |
a798dbf2 |
176 | |
177 | my $hv_index = 0; |
178 | my $gv_index = 0; |
179 | my $re_index = 0; |
180 | my $pv_index = 0; |
b326da91 |
181 | my $cv_index = 0; |
a798dbf2 |
182 | my $anonsub_index = 0; |
44887cfa |
183 | my $initsub_index = 0; |
a798dbf2 |
184 | |
185 | my %symtable; |
af765ed9 |
186 | my %xsub; |
a798dbf2 |
187 | my $warn_undefined_syms; |
188 | my $verbose; |
66a2622e |
189 | my %unused_sub_packages; |
b326da91 |
190 | my $use_xsloader; |
a798dbf2 |
191 | my $nullop_count; |
66a2622e |
192 | my $pv_copy_on_grow = 0; |
b326da91 |
193 | my $optimize_ppaddr = 0; |
194 | my $optimize_warn_sv = 0; |
195 | my $use_perl_script_name = 0; |
196 | my $save_data_fh = 0; |
197 | my $save_sig = 0; |
a798dbf2 |
198 | my ($debug_cops, $debug_av, $debug_cv, $debug_mg); |
dc333d64 |
199 | my $max_string_len; |
a798dbf2 |
200 | |
9d2bbe64 |
201 | my $ithreads = $Config{useithreads} eq 'define'; |
202 | |
a798dbf2 |
203 | my @threadsv_names; |
204 | BEGIN { |
205 | @threadsv_names = threadsv_names(); |
206 | } |
207 | |
208 | # Code sections |
66a2622e |
209 | my ($init, $decl, $symsect, $binopsect, $condopsect, $copsect, |
7934575e |
210 | $padopsect, $listopsect, $logopsect, $loopsect, $opsect, $pmopsect, |
a798dbf2 |
211 | $pvopsect, $svopsect, $unopsect, $svsect, $xpvsect, $xpvavsect, |
212 | $xpvhvsect, $xpvcvsect, $xpvivsect, $xpvnvsect, $xpvmgsect, $xpvlvsect, |
af765ed9 |
213 | $xrvsect, $xpvbmsect, $xpviosect ); |
b326da91 |
214 | my @op_sections = \( $binopsect, $condopsect, $copsect, $padopsect, $listopsect, |
215 | $logopsect, $loopsect, $opsect, $pmopsect, $pvopsect, $svopsect, |
216 | $unopsect ); |
a798dbf2 |
217 | |
218 | sub walk_and_save_optree; |
219 | my $saveoptree_callback = \&walk_and_save_optree; |
220 | sub set_callback { $saveoptree_callback = shift } |
221 | sub saveoptree { &$saveoptree_callback(@_) } |
222 | |
223 | sub walk_and_save_optree { |
224 | my ($name, $root, $start) = @_; |
225 | walkoptree($root, "save"); |
226 | return objsym($start); |
227 | } |
228 | |
229 | # Current workaround/fix for op_free() trying to free statically |
230 | # defined OPs is to set op_seq = -1 and check for that in op_free(). |
231 | # Instead of hardwiring -1 in place of $op->seq, we use $op_seq |
232 | # so that it can be changed back easily if necessary. In fact, to |
233 | # stop compilers from moaning about a U16 being initialised with an |
234 | # uncast -1 (the printf format is %d so we can't tweak it), we have |
235 | # to "know" that op_seq is a U16 and use 65535. Ugh. |
236 | my $op_seq = 65535; |
237 | |
0cc1d052 |
238 | # Look this up here so we can do just a number compare |
239 | # rather than looking up the name of every BASEOP in B::OP |
240 | my $OP_THREADSV = opnumber('threadsv'); |
a798dbf2 |
241 | |
242 | sub savesym { |
243 | my ($obj, $value) = @_; |
244 | my $sym = sprintf("s\\_%x", $$obj); |
245 | $symtable{$sym} = $value; |
246 | } |
247 | |
248 | sub objsym { |
249 | my $obj = shift; |
250 | return $symtable{sprintf("s\\_%x", $$obj)}; |
251 | } |
252 | |
253 | sub getsym { |
254 | my $sym = shift; |
255 | my $value; |
256 | |
257 | return 0 if $sym eq "sym_0"; # special case |
258 | $value = $symtable{$sym}; |
259 | if (defined($value)) { |
260 | return $value; |
261 | } else { |
262 | warn "warning: undefined symbol $sym\n" if $warn_undefined_syms; |
263 | return "UNUSED"; |
264 | } |
265 | } |
266 | |
b326da91 |
267 | sub savere { |
268 | my $re = shift; |
269 | my $sym = sprintf("re%d", $re_index++); |
270 | $decl->add(sprintf("static char *$sym = %s;", cstring($re))); |
271 | |
272 | return ($sym,length(pack "a*",$re)); |
273 | } |
274 | |
a798dbf2 |
275 | sub savepv { |
9d2bbe64 |
276 | my $pv = pack "a*", shift; |
a798dbf2 |
277 | my $pvsym = 0; |
278 | my $pvmax = 0; |
9d2bbe64 |
279 | if ($pv_copy_on_grow) { |
280 | $pvsym = sprintf("pv%d", $pv_index++); |
281 | |
282 | if( defined $max_string_len && length($pv) > $max_string_len ) { |
283 | my $chars = join ', ', map { cchar $_ } split //, $pv; |
284 | $decl->add(sprintf("static char %s[] = { %s };", $pvsym, $chars)); |
285 | } |
286 | else { |
287 | my $cstring = cstring($pv); |
288 | if ($cstring ne "0") { # sic |
289 | $decl->add(sprintf("static char %s[] = %s;", |
290 | $pvsym, $cstring)); |
291 | } |
292 | } |
a798dbf2 |
293 | } else { |
b326da91 |
294 | $pvmax = length(pack "a*",$pv) + 1; |
a798dbf2 |
295 | } |
296 | return ($pvsym, $pvmax); |
297 | } |
298 | |
b326da91 |
299 | sub save_rv { |
300 | my $sv = shift; |
301 | # confess "Can't save RV: not ROK" unless $sv->FLAGS & SVf_ROK; |
302 | my $rv = $sv->RV->save; |
303 | |
304 | $rv =~ s/^\(([AGHS]V|IO)\s*\*\)\s*(\&sv_list.*)$/$2/; |
305 | |
306 | return $rv; |
307 | } |
308 | |
309 | # savesym, pvmax, len, pv |
310 | sub save_pv_or_rv { |
311 | my $sv = shift; |
312 | |
313 | my $rok = $sv->FLAGS & SVf_ROK; |
314 | my $pok = $sv->FLAGS & SVf_POK; |
9d2bbe64 |
315 | my( $len, $pvmax, $savesym, $pv ) = ( 0, 0 ); |
b326da91 |
316 | if( $rok ) { |
317 | $savesym = '(char*)' . save_rv( $sv ); |
318 | } |
319 | else { |
320 | $pv = $pok ? (pack "a*", $sv->PV) : undef; |
321 | $len = $pok ? length($pv) : 0; |
322 | ($savesym, $pvmax) = $pok ? savepv($pv) : ( 'NULL', 0 ); |
323 | } |
324 | |
325 | return ( $savesym, $pvmax, $len, $pv ); |
326 | } |
327 | |
328 | # see also init_op_ppaddr below; initializes the ppaddt to the |
329 | # OpTYPE; init_op_ppaddr iterates over the ops and sets |
330 | # op_ppaddr to PL_ppaddr[op_ppaddr]; this avoids an explicit assignmente |
331 | # in perl_init ( ~10 bytes/op with GCC/i386 ) |
332 | sub B::OP::fake_ppaddr { |
333 | return $optimize_ppaddr ? |
334 | sprintf("INT2PTR(void*,OP_%s)", uc( $_[0]->name ) ) : |
335 | 'NULL'; |
336 | } |
337 | |
a798dbf2 |
338 | sub B::OP::save { |
339 | my ($op, $level) = @_; |
2c0b28dd |
340 | my $sym = objsym($op); |
341 | return $sym if defined $sym; |
a798dbf2 |
342 | my $type = $op->type; |
343 | $nullop_count++ unless $type; |
0cc1d052 |
344 | if ($type == $OP_THREADSV) { |
a798dbf2 |
345 | # saves looking up ppaddr but it's a bit naughty to hard code this |
346 | $init->add(sprintf("(void)find_threadsv(%s);", |
347 | cstring($threadsv_names[$op->targ]))); |
348 | } |
b326da91 |
349 | $opsect->add(sprintf("s\\_%x, s\\_%x, %s, %u, %u, %u, 0x%x, 0x%x", |
350 | ${$op->next}, ${$op->sibling}, $op->fake_ppaddr, $op->targ, |
a798dbf2 |
351 | $type, $op_seq, $op->flags, $op->private)); |
dc333d64 |
352 | my $ix = $opsect->index; |
b326da91 |
353 | $init->add(sprintf("op_list[$ix].op_ppaddr = %s;", $op->ppaddr)) |
354 | unless $optimize_ppaddr; |
dc333d64 |
355 | savesym($op, "&op_list[$ix]"); |
a798dbf2 |
356 | } |
357 | |
358 | sub B::FAKEOP::new { |
359 | my ($class, %objdata) = @_; |
360 | bless \%objdata, $class; |
361 | } |
362 | |
363 | sub B::FAKEOP::save { |
364 | my ($op, $level) = @_; |
b326da91 |
365 | $opsect->add(sprintf("%s, %s, %s, %u, %u, %u, 0x%x, 0x%x", |
366 | $op->next, $op->sibling, $op->fake_ppaddr, $op->targ, |
a798dbf2 |
367 | $op->type, $op_seq, $op->flags, $op->private)); |
dc333d64 |
368 | my $ix = $opsect->index; |
b326da91 |
369 | $init->add(sprintf("op_list[$ix].op_ppaddr = %s;", $op->ppaddr)) |
370 | unless $optimize_ppaddr; |
dc333d64 |
371 | return "&op_list[$ix]"; |
a798dbf2 |
372 | } |
373 | |
374 | sub B::FAKEOP::next { $_[0]->{"next"} || 0 } |
375 | sub B::FAKEOP::type { $_[0]->{type} || 0} |
376 | sub B::FAKEOP::sibling { $_[0]->{sibling} || 0 } |
377 | sub B::FAKEOP::ppaddr { $_[0]->{ppaddr} || 0 } |
378 | sub B::FAKEOP::targ { $_[0]->{targ} || 0 } |
379 | sub B::FAKEOP::flags { $_[0]->{flags} || 0 } |
380 | sub B::FAKEOP::private { $_[0]->{private} || 0 } |
381 | |
382 | sub B::UNOP::save { |
383 | my ($op, $level) = @_; |
2c0b28dd |
384 | my $sym = objsym($op); |
385 | return $sym if defined $sym; |
b326da91 |
386 | $unopsect->add(sprintf("s\\_%x, s\\_%x, %s, %u, %u, %u, 0x%x, 0x%x, s\\_%x", |
387 | ${$op->next}, ${$op->sibling}, $op->fake_ppaddr, |
a798dbf2 |
388 | $op->targ, $op->type, $op_seq, $op->flags, |
389 | $op->private, ${$op->first})); |
dc333d64 |
390 | my $ix = $unopsect->index; |
b326da91 |
391 | $init->add(sprintf("unop_list[$ix].op_ppaddr = %s;", $op->ppaddr)) |
392 | unless $optimize_ppaddr; |
dc333d64 |
393 | savesym($op, "(OP*)&unop_list[$ix]"); |
a798dbf2 |
394 | } |
395 | |
396 | sub B::BINOP::save { |
397 | my ($op, $level) = @_; |
2c0b28dd |
398 | my $sym = objsym($op); |
399 | return $sym if defined $sym; |
b326da91 |
400 | $binopsect->add(sprintf("s\\_%x, s\\_%x, %s, %u, %u, %u, 0x%x, 0x%x, s\\_%x, s\\_%x", |
401 | ${$op->next}, ${$op->sibling}, $op->fake_ppaddr, |
a798dbf2 |
402 | $op->targ, $op->type, $op_seq, $op->flags, |
403 | $op->private, ${$op->first}, ${$op->last})); |
dc333d64 |
404 | my $ix = $binopsect->index; |
b326da91 |
405 | $init->add(sprintf("binop_list[$ix].op_ppaddr = %s;", $op->ppaddr)) |
406 | unless $optimize_ppaddr; |
dc333d64 |
407 | savesym($op, "(OP*)&binop_list[$ix]"); |
a798dbf2 |
408 | } |
409 | |
410 | sub B::LISTOP::save { |
411 | my ($op, $level) = @_; |
2c0b28dd |
412 | my $sym = objsym($op); |
413 | return $sym if defined $sym; |
b326da91 |
414 | $listopsect->add(sprintf("s\\_%x, s\\_%x, %s, %u, %u, %u, 0x%x, 0x%x, s\\_%x, s\\_%x", |
415 | ${$op->next}, ${$op->sibling}, $op->fake_ppaddr, |
a798dbf2 |
416 | $op->targ, $op->type, $op_seq, $op->flags, |
117dada2 |
417 | $op->private, ${$op->first}, ${$op->last})); |
dc333d64 |
418 | my $ix = $listopsect->index; |
b326da91 |
419 | $init->add(sprintf("listop_list[$ix].op_ppaddr = %s;", $op->ppaddr)) |
420 | unless $optimize_ppaddr; |
dc333d64 |
421 | savesym($op, "(OP*)&listop_list[$ix]"); |
a798dbf2 |
422 | } |
423 | |
424 | sub B::LOGOP::save { |
425 | my ($op, $level) = @_; |
2c0b28dd |
426 | my $sym = objsym($op); |
427 | return $sym if defined $sym; |
b326da91 |
428 | $logopsect->add(sprintf("s\\_%x, s\\_%x, %s, %u, %u, %u, 0x%x, 0x%x, s\\_%x, s\\_%x", |
429 | ${$op->next}, ${$op->sibling}, $op->fake_ppaddr, |
a798dbf2 |
430 | $op->targ, $op->type, $op_seq, $op->flags, |
431 | $op->private, ${$op->first}, ${$op->other})); |
dc333d64 |
432 | my $ix = $logopsect->index; |
b326da91 |
433 | $init->add(sprintf("logop_list[$ix].op_ppaddr = %s;", $op->ppaddr)) |
434 | unless $optimize_ppaddr; |
dc333d64 |
435 | savesym($op, "(OP*)&logop_list[$ix]"); |
a798dbf2 |
436 | } |
437 | |
a798dbf2 |
438 | sub B::LOOP::save { |
439 | my ($op, $level) = @_; |
2c0b28dd |
440 | my $sym = objsym($op); |
441 | return $sym if defined $sym; |
a798dbf2 |
442 | #warn sprintf("LOOP: redoop %s, nextop %s, lastop %s\n", |
443 | # peekop($op->redoop), peekop($op->nextop), |
444 | # peekop($op->lastop)); # debug |
b326da91 |
445 | $loopsect->add(sprintf("s\\_%x, s\\_%x, %s, %u, %u, %u, 0x%x, 0x%x, s\\_%x, s\\_%x, s\\_%x, s\\_%x, s\\_%x", |
446 | ${$op->next}, ${$op->sibling}, $op->fake_ppaddr, |
a798dbf2 |
447 | $op->targ, $op->type, $op_seq, $op->flags, |
448 | $op->private, ${$op->first}, ${$op->last}, |
117dada2 |
449 | ${$op->redoop}, ${$op->nextop}, |
a798dbf2 |
450 | ${$op->lastop})); |
dc333d64 |
451 | my $ix = $loopsect->index; |
b326da91 |
452 | $init->add(sprintf("loop_list[$ix].op_ppaddr = %s;", $op->ppaddr)) |
453 | unless $optimize_ppaddr; |
dc333d64 |
454 | savesym($op, "(OP*)&loop_list[$ix]"); |
a798dbf2 |
455 | } |
456 | |
457 | sub B::PVOP::save { |
458 | my ($op, $level) = @_; |
2c0b28dd |
459 | my $sym = objsym($op); |
460 | return $sym if defined $sym; |
b326da91 |
461 | $pvopsect->add(sprintf("s\\_%x, s\\_%x, %s, %u, %u, %u, 0x%x, 0x%x, %s", |
462 | ${$op->next}, ${$op->sibling}, $op->fake_ppaddr, |
a798dbf2 |
463 | $op->targ, $op->type, $op_seq, $op->flags, |
464 | $op->private, cstring($op->pv))); |
dc333d64 |
465 | my $ix = $pvopsect->index; |
b326da91 |
466 | $init->add(sprintf("pvop_list[$ix].op_ppaddr = %s;", $op->ppaddr)) |
467 | unless $optimize_ppaddr; |
dc333d64 |
468 | savesym($op, "(OP*)&pvop_list[$ix]"); |
a798dbf2 |
469 | } |
470 | |
471 | sub B::SVOP::save { |
472 | my ($op, $level) = @_; |
2c0b28dd |
473 | my $sym = objsym($op); |
474 | return $sym if defined $sym; |
9d2bbe64 |
475 | my $sv = $op->sv; |
476 | my $svsym = '(SV*)' . $sv->save; |
477 | my $is_const_addr = $svsym =~ m/Null|\&/; |
478 | $svopsect->add(sprintf("s\\_%x, s\\_%x, %s, %u, %u, %u, 0x%x, 0x%x, %s", |
b326da91 |
479 | ${$op->next}, ${$op->sibling}, $op->fake_ppaddr, |
a798dbf2 |
480 | $op->targ, $op->type, $op_seq, $op->flags, |
9d2bbe64 |
481 | $op->private, |
482 | ( $is_const_addr ? $svsym : 'Nullsv' ))); |
dc333d64 |
483 | my $ix = $svopsect->index; |
b326da91 |
484 | $init->add(sprintf("svop_list[$ix].op_ppaddr = %s;", $op->ppaddr)) |
485 | unless $optimize_ppaddr; |
9d2bbe64 |
486 | $init->add("svop_list[$ix].op_sv = $svsym;") |
487 | unless $is_const_addr; |
dc333d64 |
488 | savesym($op, "(OP*)&svop_list[$ix]"); |
a798dbf2 |
489 | } |
490 | |
7934575e |
491 | sub B::PADOP::save { |
a798dbf2 |
492 | my ($op, $level) = @_; |
2c0b28dd |
493 | my $sym = objsym($op); |
494 | return $sym if defined $sym; |
9d2bbe64 |
495 | $padopsect->add(sprintf("s\\_%x, s\\_%x, %s, %u, %u, %u, 0x%x, 0x%x, %d", |
b326da91 |
496 | ${$op->next}, ${$op->sibling}, $op->fake_ppaddr, |
a798dbf2 |
497 | $op->targ, $op->type, $op_seq, $op->flags, |
9d2bbe64 |
498 | $op->private,$op->padix)); |
dc333d64 |
499 | my $ix = $padopsect->index; |
b326da91 |
500 | $init->add(sprintf("padop_list[$ix].op_ppaddr = %s;", $op->ppaddr)) |
501 | unless $optimize_ppaddr; |
9d2bbe64 |
502 | # $init->add(sprintf("padop_list[$ix].op_padix = %ld;", $op->padix)); |
dc333d64 |
503 | savesym($op, "(OP*)&padop_list[$ix]"); |
a798dbf2 |
504 | } |
505 | |
506 | sub B::COP::save { |
507 | my ($op, $level) = @_; |
2c0b28dd |
508 | my $sym = objsym($op); |
509 | return $sym if defined $sym; |
57843af0 |
510 | warn sprintf("COP: line %d file %s\n", $op->line, $op->file) |
a798dbf2 |
511 | if $debug_cops; |
b326da91 |
512 | # shameless cut'n'paste from B::Deparse |
513 | my $warn_sv; |
514 | my $warnings = $op->warnings; |
515 | my $is_special = $warnings->isa("B::SPECIAL"); |
516 | if ($is_special && $$warnings == 4) { |
517 | # use warnings 'all'; |
518 | $warn_sv = $optimize_warn_sv ? |
519 | 'INT2PTR(SV*,1)' : |
520 | 'pWARN_ALL'; |
521 | } |
522 | elsif ($is_special && $$warnings == 5) { |
523 | # no warnings 'all'; |
524 | $warn_sv = $optimize_warn_sv ? |
9d2bbe64 |
525 | 'INT2PTR(SV*,2)' : |
b326da91 |
526 | 'pWARN_NONE'; |
527 | } |
528 | elsif ($is_special) { |
529 | # use warnings; |
530 | $warn_sv = $optimize_warn_sv ? |
9d2bbe64 |
531 | 'INT2PTR(SV*,3)' : |
b326da91 |
532 | 'pWARN_STD'; |
533 | } |
534 | else { |
535 | # something else |
536 | $warn_sv = $warnings->save; |
537 | } |
538 | |
539 | $copsect->add(sprintf("s\\_%x, s\\_%x, %s, %u, %u, %u, 0x%x, 0x%x, %s, NULL, NULL, %u, %d, %u, %s", |
540 | ${$op->next}, ${$op->sibling}, $op->fake_ppaddr, |
a798dbf2 |
541 | $op->targ, $op->type, $op_seq, $op->flags, |
542 | $op->private, cstring($op->label), $op->cop_seq, |
b326da91 |
543 | $op->arybase, $op->line, |
544 | ( $optimize_warn_sv ? $warn_sv : 'NULL' ))); |
dc333d64 |
545 | my $ix = $copsect->index; |
b326da91 |
546 | $init->add(sprintf("cop_list[$ix].op_ppaddr = %s;", $op->ppaddr)) |
547 | unless $optimize_ppaddr; |
548 | $init->add(sprintf("cop_list[$ix].cop_warnings = %s;", $warn_sv )) |
549 | unless $optimize_warn_sv; |
dc333d64 |
550 | $init->add(sprintf("CopFILE_set(&cop_list[$ix], %s);", cstring($op->file)), |
551 | sprintf("CopSTASHPV_set(&cop_list[$ix], %s);", cstring($op->stashpv))); |
b326da91 |
552 | |
dc333d64 |
553 | savesym($op, "(OP*)&cop_list[$ix]"); |
a798dbf2 |
554 | } |
555 | |
556 | sub B::PMOP::save { |
557 | my ($op, $level) = @_; |
2c0b28dd |
558 | my $sym = objsym($op); |
559 | return $sym if defined $sym; |
a798dbf2 |
560 | my $replroot = $op->pmreplroot; |
561 | my $replstart = $op->pmreplstart; |
9d2bbe64 |
562 | my $replrootfield; |
a798dbf2 |
563 | my $replstartfield = sprintf("s\\_%x", $$replstart); |
564 | my $gvsym; |
565 | my $ppaddr = $op->ppaddr; |
9d2bbe64 |
566 | # under ithreads, OP_PUSHRE.op_replroot is an integer |
567 | $replrootfield = sprintf("s\\_%x", $$replroot) if ref $replroot; |
568 | if($ithreads && $op->name eq "pushre") { |
569 | $replrootfield = "INT2PTR(OP*,${replroot})"; |
570 | } elsif ($$replroot) { |
a798dbf2 |
571 | # OP_PUSHRE (a mutated version of OP_MATCH for the regexp |
572 | # argument to a split) stores a GV in op_pmreplroot instead |
573 | # of a substitution syntax tree. We don't want to walk that... |
3f872cb9 |
574 | if ($op->name eq "pushre") { |
a798dbf2 |
575 | $gvsym = $replroot->save; |
576 | # warn "PMOP::save saving a pp_pushre with GV $gvsym\n"; # debug |
577 | $replrootfield = 0; |
578 | } else { |
579 | $replstartfield = saveoptree("*ignore*", $replroot, $replstart); |
580 | } |
581 | } |
582 | # pmnext handling is broken in perl itself, I think. Bad op_pmnext |
583 | # fields aren't noticed in perl's runtime (unless you try reset) but we |
584 | # segfault when trying to dereference it to find op->op_pmnext->op_type |
9d2bbe64 |
585 | $pmopsect->add(sprintf("s\\_%x, s\\_%x, %s, %u, %u, %u, 0x%x, 0x%x, s\\_%x, s\\_%x, %s, %s, 0, %u, 0x%x, 0x%x, 0x%x", |
b326da91 |
586 | ${$op->next}, ${$op->sibling}, $op->fake_ppaddr, $op->targ, |
a798dbf2 |
587 | $op->type, $op_seq, $op->flags, $op->private, |
117dada2 |
588 | ${$op->first}, ${$op->last}, |
a798dbf2 |
589 | $replrootfield, $replstartfield, |
9d2bbe64 |
590 | ( $ithreads ? $op->pmoffset : 0 ), |
591 | $op->pmflags, $op->pmpermflags, $op->pmdynflags )); |
a798dbf2 |
592 | my $pm = sprintf("pmop_list[%d]", $pmopsect->index); |
b326da91 |
593 | $init->add(sprintf("$pm.op_ppaddr = %s;", $ppaddr)) |
594 | unless $optimize_ppaddr; |
a798dbf2 |
595 | my $re = $op->precomp; |
596 | if (defined($re)) { |
b326da91 |
597 | my( $resym, $relen ) = savere( $re ); |
f5eac215 |
598 | $init->add(sprintf("PM_SETRE(&$pm,pregcomp($resym, $resym + %u, &$pm));", |
b326da91 |
599 | $relen)); |
a798dbf2 |
600 | } |
601 | if ($gvsym) { |
602 | $init->add("$pm.op_pmreplroot = (OP*)$gvsym;"); |
603 | } |
dc333d64 |
604 | savesym($op, "(OP*)&$pm"); |
a798dbf2 |
605 | } |
606 | |
607 | sub B::SPECIAL::save { |
608 | my ($sv) = @_; |
609 | # special case: $$sv is not the address but an index into specialsv_list |
610 | # warn "SPECIAL::save specialsv $$sv\n"; # debug |
611 | my $sym = $specialsv_name[$$sv]; |
612 | if (!defined($sym)) { |
613 | confess "unknown specialsv index $$sv passed to B::SPECIAL::save"; |
614 | } |
615 | return $sym; |
616 | } |
617 | |
618 | sub B::OBJECT::save {} |
619 | |
620 | sub B::NULL::save { |
621 | my ($sv) = @_; |
622 | my $sym = objsym($sv); |
623 | return $sym if defined $sym; |
624 | # warn "Saving SVt_NULL SV\n"; # debug |
625 | # debug |
87d7fd28 |
626 | if ($$sv == 0) { |
627 | warn "NULL::save for sv = 0 called from @{[(caller(1))[3]]}\n"; |
b326da91 |
628 | return savesym($sv, "(void*)Nullsv /* XXX */"); |
87d7fd28 |
629 | } |
932e9ff9 |
630 | $svsect->add(sprintf("0, %u, 0x%x", $sv->REFCNT , $sv->FLAGS)); |
a798dbf2 |
631 | return savesym($sv, sprintf("&sv_list[%d]", $svsect->index)); |
632 | } |
633 | |
634 | sub B::IV::save { |
635 | my ($sv) = @_; |
636 | my $sym = objsym($sv); |
637 | return $sym if defined $sym; |
638 | $xpvivsect->add(sprintf("0, 0, 0, %d", $sv->IVX)); |
639 | $svsect->add(sprintf("&xpviv_list[%d], %lu, 0x%x", |
932e9ff9 |
640 | $xpvivsect->index, $sv->REFCNT , $sv->FLAGS)); |
a798dbf2 |
641 | return savesym($sv, sprintf("&sv_list[%d]", $svsect->index)); |
642 | } |
643 | |
644 | sub B::NV::save { |
645 | my ($sv) = @_; |
646 | my $sym = objsym($sv); |
647 | return $sym if defined $sym; |
56eca212 |
648 | my $val= $sv->NVX; |
649 | $val .= '.00' if $val =~ /^-?\d+$/; |
650 | $xpvnvsect->add(sprintf("0, 0, 0, %d, %s", $sv->IVX, $val)); |
a798dbf2 |
651 | $svsect->add(sprintf("&xpvnv_list[%d], %lu, 0x%x", |
932e9ff9 |
652 | $xpvnvsect->index, $sv->REFCNT , $sv->FLAGS)); |
a798dbf2 |
653 | return savesym($sv, sprintf("&sv_list[%d]", $svsect->index)); |
654 | } |
655 | |
dc333d64 |
656 | sub savepvn { |
657 | my ($dest,$pv) = @_; |
658 | my @res; |
b326da91 |
659 | # work with byte offsets/lengths |
660 | my $pv = pack "a*", $pv; |
dc333d64 |
661 | if (defined $max_string_len && length($pv) > $max_string_len) { |
662 | push @res, sprintf("New(0,%s,%u,char);", $dest, length($pv)+1); |
663 | my $offset = 0; |
664 | while (length $pv) { |
665 | my $str = substr $pv, 0, $max_string_len, ''; |
666 | push @res, sprintf("Copy(%s,$dest+$offset,%u,char);", |
667 | cstring($str), length($str)); |
668 | $offset += length $str; |
669 | } |
670 | push @res, sprintf("%s[%u] = '\\0';", $dest, $offset); |
671 | } |
672 | else { |
673 | push @res, sprintf("%s = savepvn(%s, %u);", $dest, |
674 | cstring($pv), length($pv)); |
675 | } |
676 | return @res; |
677 | } |
678 | |
a798dbf2 |
679 | sub B::PVLV::save { |
680 | my ($sv) = @_; |
681 | my $sym = objsym($sv); |
682 | return $sym if defined $sym; |
683 | my $pv = $sv->PV; |
684 | my $len = length($pv); |
685 | my ($pvsym, $pvmax) = savepv($pv); |
686 | my ($lvtarg, $lvtarg_sym); |
687 | $xpvlvsect->add(sprintf("%s, %u, %u, %d, %g, 0, 0, %u, %u, 0, %s", |
688 | $pvsym, $len, $pvmax, $sv->IVX, $sv->NVX, |
689 | $sv->TARGOFF, $sv->TARGLEN, cchar($sv->TYPE))); |
690 | $svsect->add(sprintf("&xpvlv_list[%d], %lu, 0x%x", |
932e9ff9 |
691 | $xpvlvsect->index, $sv->REFCNT , $sv->FLAGS)); |
a798dbf2 |
692 | if (!$pv_copy_on_grow) { |
dc333d64 |
693 | $init->add(savepvn(sprintf("xpvlv_list[%d].xpv_pv", |
694 | $xpvlvsect->index), $pv)); |
a798dbf2 |
695 | } |
696 | $sv->save_magic; |
697 | return savesym($sv, sprintf("&sv_list[%d]", $svsect->index)); |
698 | } |
699 | |
700 | sub B::PVIV::save { |
701 | my ($sv) = @_; |
702 | my $sym = objsym($sv); |
703 | return $sym if defined $sym; |
b326da91 |
704 | my( $savesym, $pvmax, $len, $pv ) = save_pv_or_rv( $sv ); |
705 | $xpvivsect->add(sprintf("%s, %u, %u, %d", $savesym, $len, $pvmax, $sv->IVX)); |
a798dbf2 |
706 | $svsect->add(sprintf("&xpviv_list[%d], %u, 0x%x", |
932e9ff9 |
707 | $xpvivsect->index, $sv->REFCNT , $sv->FLAGS)); |
b326da91 |
708 | if (defined($pv) && !$pv_copy_on_grow) { |
dc333d64 |
709 | $init->add(savepvn(sprintf("xpviv_list[%d].xpv_pv", |
710 | $xpvivsect->index), $pv)); |
a798dbf2 |
711 | } |
712 | return savesym($sv, sprintf("&sv_list[%d]", $svsect->index)); |
713 | } |
714 | |
715 | sub B::PVNV::save { |
716 | my ($sv) = @_; |
717 | my $sym = objsym($sv); |
718 | return $sym if defined $sym; |
b326da91 |
719 | my( $savesym, $pvmax, $len, $pv ) = save_pv_or_rv( $sv ); |
56eca212 |
720 | my $val= $sv->NVX; |
721 | $val .= '.00' if $val =~ /^-?\d+$/; |
a798dbf2 |
722 | $xpvnvsect->add(sprintf("%s, %u, %u, %d, %s", |
b326da91 |
723 | $savesym, $len, $pvmax, $sv->IVX, $val)); |
a798dbf2 |
724 | $svsect->add(sprintf("&xpvnv_list[%d], %lu, 0x%x", |
932e9ff9 |
725 | $xpvnvsect->index, $sv->REFCNT , $sv->FLAGS)); |
b326da91 |
726 | if (defined($pv) && !$pv_copy_on_grow) { |
dc333d64 |
727 | $init->add(savepvn(sprintf("xpvnv_list[%d].xpv_pv", |
728 | $xpvnvsect->index), $pv)); |
a798dbf2 |
729 | } |
730 | return savesym($sv, sprintf("&sv_list[%d]", $svsect->index)); |
731 | } |
732 | |
733 | sub B::BM::save { |
734 | my ($sv) = @_; |
735 | my $sym = objsym($sv); |
736 | return $sym if defined $sym; |
b326da91 |
737 | my $pv = pack "a*", ($sv->PV . "\0" . $sv->TABLE); |
a798dbf2 |
738 | my $len = length($pv); |
739 | $xpvbmsect->add(sprintf("0, %u, %u, %d, %s, 0, 0, %d, %u, 0x%x", |
740 | $len, $len + 258, $sv->IVX, $sv->NVX, |
741 | $sv->USEFUL, $sv->PREVIOUS, $sv->RARE)); |
742 | $svsect->add(sprintf("&xpvbm_list[%d], %lu, 0x%x", |
932e9ff9 |
743 | $xpvbmsect->index, $sv->REFCNT , $sv->FLAGS)); |
a798dbf2 |
744 | $sv->save_magic; |
dc333d64 |
745 | $init->add(savepvn(sprintf("xpvbm_list[%d].xpv_pv", |
746 | $xpvbmsect->index), $pv), |
a798dbf2 |
747 | sprintf("xpvbm_list[%d].xpv_cur = %u;", |
748 | $xpvbmsect->index, $len - 257)); |
749 | return savesym($sv, sprintf("&sv_list[%d]", $svsect->index)); |
750 | } |
751 | |
752 | sub B::PV::save { |
753 | my ($sv) = @_; |
754 | my $sym = objsym($sv); |
755 | return $sym if defined $sym; |
b326da91 |
756 | my( $savesym, $pvmax, $len, $pv ) = save_pv_or_rv( $sv ); |
757 | $xpvsect->add(sprintf("%s, %u, %u", $savesym, $len, $pvmax)); |
a798dbf2 |
758 | $svsect->add(sprintf("&xpv_list[%d], %lu, 0x%x", |
932e9ff9 |
759 | $xpvsect->index, $sv->REFCNT , $sv->FLAGS)); |
b326da91 |
760 | if (defined($pv) && !$pv_copy_on_grow) { |
dc333d64 |
761 | $init->add(savepvn(sprintf("xpv_list[%d].xpv_pv", |
762 | $xpvsect->index), $pv)); |
a798dbf2 |
763 | } |
764 | return savesym($sv, sprintf("&sv_list[%d]", $svsect->index)); |
765 | } |
766 | |
767 | sub B::PVMG::save { |
768 | my ($sv) = @_; |
769 | my $sym = objsym($sv); |
770 | return $sym if defined $sym; |
b326da91 |
771 | my( $savesym, $pvmax, $len, $pv ) = save_pv_or_rv( $sv ); |
772 | |
a798dbf2 |
773 | $xpvmgsect->add(sprintf("%s, %u, %u, %d, %s, 0, 0", |
b326da91 |
774 | $savesym, $len, $pvmax, |
775 | $sv->IVX, $sv->NVX)); |
a798dbf2 |
776 | $svsect->add(sprintf("&xpvmg_list[%d], %lu, 0x%x", |
b326da91 |
777 | $xpvmgsect->index, $sv->REFCNT , $sv->FLAGS)); |
778 | if (defined($pv) && !$pv_copy_on_grow) { |
779 | $init->add(savepvn(sprintf("xpvmg_list[%d].xpv_pv", |
780 | $xpvmgsect->index), $pv)); |
a798dbf2 |
781 | } |
782 | $sym = savesym($sv, sprintf("&sv_list[%d]", $svsect->index)); |
783 | $sv->save_magic; |
784 | return $sym; |
785 | } |
786 | |
787 | sub B::PVMG::save_magic { |
788 | my ($sv) = @_; |
789 | #warn sprintf("saving magic for %s (0x%x)\n", class($sv), $$sv); # debug |
790 | my $stash = $sv->SvSTASH; |
56eca212 |
791 | $stash->save; |
a798dbf2 |
792 | if ($$stash) { |
793 | warn sprintf("xmg_stash = %s (0x%x)\n", $stash->NAME, $$stash) |
794 | if $debug_mg; |
795 | # XXX Hope stash is already going to be saved. |
796 | $init->add(sprintf("SvSTASH(s\\_%x) = s\\_%x;", $$sv, $$stash)); |
797 | } |
798 | my @mgchain = $sv->MAGIC; |
88b39979 |
799 | my ($mg, $type, $obj, $ptr,$len,$ptrsv); |
a798dbf2 |
800 | foreach $mg (@mgchain) { |
801 | $type = $mg->TYPE; |
a798dbf2 |
802 | $ptr = $mg->PTR; |
88b39979 |
803 | $len=$mg->LENGTH; |
a798dbf2 |
804 | if ($debug_mg) { |
805 | warn sprintf("magic %s (0x%x), obj %s (0x%x), type %s, ptr %s\n", |
806 | class($sv), $$sv, class($obj), $$obj, |
807 | cchar($type), cstring($ptr)); |
808 | } |
b326da91 |
809 | |
810 | unless( $type eq 'r' ) { |
811 | $obj = $mg->OBJ; |
812 | $obj->save; |
813 | } |
814 | |
88b39979 |
815 | if ($len == HEf_SVKEY){ |
816 | #The pointer is an SV* |
817 | $ptrsv=svref_2object($ptr)->save; |
5ab5c7a4 |
818 | $init->add(sprintf("sv_magic((SV*)s\\_%x, (SV*)s\\_%x, %s,(char *) %s, %d);", |
88b39979 |
819 | $$sv, $$obj, cchar($type),$ptrsv,$len)); |
b326da91 |
820 | }elsif( $type eq 'r' ){ |
9d2bbe64 |
821 | my $rx = $mg->REGEX; |
822 | my $pmop = $REGEXP{$rx}; |
823 | |
824 | confess "PMOP not found for REGEXP $rx" unless $pmop; |
825 | |
826 | my( $resym, $relen ) = savere( $mg->precomp ); |
827 | my $pmsym = $pmop->save; |
828 | $init->add( split /\n/, sprintf <<CODE, $$sv, cchar($type), cstring($ptr) ); |
829 | { |
830 | REGEXP* rx = pregcomp($resym, $resym + $relen, (PMOP*)$pmsym); |
831 | sv_magic((SV*)s\\_%x, (SV*)rx, %s, %s, %d); |
832 | } |
833 | CODE |
b326da91 |
834 | }else{ |
88b39979 |
835 | $init->add(sprintf("sv_magic((SV*)s\\_%x, (SV*)s\\_%x, %s, %s, %d);", |
a798dbf2 |
836 | $$sv, $$obj, cchar($type),cstring($ptr),$len)); |
88b39979 |
837 | } |
a798dbf2 |
838 | } |
839 | } |
840 | |
841 | sub B::RV::save { |
842 | my ($sv) = @_; |
843 | my $sym = objsym($sv); |
844 | return $sym if defined $sym; |
b326da91 |
845 | my $rv = save_rv( $sv ); |
846 | # GVs need to be handled at runtime |
847 | if( ref( $sv->RV ) eq 'B::GV' ) { |
848 | $xrvsect->add( "(SV*)Nullgv" ); |
849 | $init->add(sprintf("xrv_list[%d].xrv_rv = (SV*)%s;\n", $xrvsect->index, $rv)); |
850 | } |
851 | # and stashes, too |
852 | elsif( $sv->RV->isa( 'B::HV' ) && $sv->RV->NAME ) { |
853 | $xrvsect->add( "(SV*)Nullhv" ); |
854 | $init->add(sprintf("xrv_list[%d].xrv_rv = (SV*)%s;\n", $xrvsect->index, $rv)); |
855 | } |
856 | else { |
857 | $xrvsect->add($rv); |
858 | } |
a798dbf2 |
859 | $svsect->add(sprintf("&xrv_list[%d], %lu, 0x%x", |
932e9ff9 |
860 | $xrvsect->index, $sv->REFCNT , $sv->FLAGS)); |
a798dbf2 |
861 | return savesym($sv, sprintf("&sv_list[%d]", $svsect->index)); |
862 | } |
863 | |
864 | sub try_autoload { |
865 | my ($cvstashname, $cvname) = @_; |
866 | warn sprintf("No definition for sub %s::%s\n", $cvstashname, $cvname); |
867 | # Handle AutoLoader classes explicitly. Any more general AUTOLOAD |
868 | # use should be handled by the class itself. |
869 | no strict 'refs'; |
870 | my $isa = \@{"$cvstashname\::ISA"}; |
871 | if (grep($_ eq "AutoLoader", @$isa)) { |
872 | warn "Forcing immediate load of sub derived from AutoLoader\n"; |
873 | # Tweaked version of AutoLoader::AUTOLOAD |
874 | my $dir = $cvstashname; |
875 | $dir =~ s(::)(/)g; |
876 | eval { require "auto/$dir/$cvname.al" }; |
877 | if ($@) { |
878 | warn qq(failed require "auto/$dir/$cvname.al": $@\n); |
879 | return 0; |
880 | } else { |
881 | return 1; |
882 | } |
883 | } |
884 | } |
e9a14d94 |
885 | sub Dummy_initxs{}; |
a798dbf2 |
886 | sub B::CV::save { |
887 | my ($cv) = @_; |
888 | my $sym = objsym($cv); |
889 | if (defined($sym)) { |
890 | # warn sprintf("CV 0x%x already saved as $sym\n", $$cv); # debug |
891 | return $sym; |
892 | } |
893 | # Reserve a place in svsect and xpvcvsect and record indices |
af765ed9 |
894 | my $gv = $cv->GV; |
6771324e |
895 | my ($cvname, $cvstashname); |
896 | if ($$gv){ |
897 | $cvname = $gv->NAME; |
898 | $cvstashname = $gv->STASH->NAME; |
899 | } |
af765ed9 |
900 | my $root = $cv->ROOT; |
901 | my $cvxsub = $cv->XSUB; |
b326da91 |
902 | my $isconst = $cv->CvFLAGS & CVf_CONST; |
903 | if( $isconst ) { |
904 | my $value = $cv->XSUBANY; |
905 | my $stash = $gv->STASH; |
906 | my $vsym = $value->save; |
907 | my $stsym = $stash->save; |
908 | my $name = cstring($cvname); |
909 | $decl->add( "static CV* cv$cv_index;" ); |
910 | $init->add( "cv$cv_index = newCONSTSUB( $stsym, NULL, $vsym );" ); |
911 | my $sym = savesym( $cv, "cv$cv_index" ); |
912 | $cv_index++; |
913 | return $sym; |
914 | } |
e9a14d94 |
915 | #INIT is removed from the symbol table, so this call must come |
916 | # from PL_initav->save. Re-bootstrapping will push INIT back in |
917 | # so nullop should be sent. |
b326da91 |
918 | if (!$isconst && $cvxsub && ($cvname ne "INIT")) { |
af765ed9 |
919 | my $egv = $gv->EGV; |
920 | my $stashname = $egv->STASH->NAME; |
be6f3502 |
921 | if ($cvname eq "bootstrap") |
b326da91 |
922 | { |
923 | my $file = $gv->FILE; |
be6f3502 |
924 | $decl->add("/* bootstrap $file */"); |
925 | warn "Bootstrap $stashname $file\n"; |
b326da91 |
926 | # if it not isa('DynaLoader'), it should hopefully be XSLoaded |
927 | # ( attributes being an exception, of course ) |
928 | if( $stashname ne 'attributes' && |
929 | !UNIVERSAL::isa($stashname,'DynaLoader') ) { |
930 | $xsub{$stashname}='Dynamic-XSLoaded'; |
931 | $use_xsloader = 1; |
932 | } |
933 | else { |
934 | $xsub{$stashname}='Dynamic'; |
935 | } |
be6f3502 |
936 | # $xsub{$stashname}='Static' unless $xsub{$stashname}; |
a0e9c8c7 |
937 | return qq/NULL/; |
b326da91 |
938 | } |
939 | else |
940 | { |
941 | # XSUBs for IO::File, IO::Handle, IO::Socket, |
942 | # IO::Seekable and IO::Poll |
943 | # are defined in IO.xs, so let's bootstrap it |
944 | svref_2object( \&IO::bootstrap )->save |
945 | if grep { $stashname eq $_ } qw(IO::File IO::Handle IO::Socket |
946 | IO::Seekable IO::Poll); |
947 | } |
a0e9c8c7 |
948 | warn sprintf("stub for XSUB $cvstashname\:\:$cvname CV 0x%x\n", $$cv) if $debug_cv; |
be6f3502 |
949 | return qq/(perl_get_cv("$stashname\:\:$cvname",TRUE))/; |
e9a14d94 |
950 | } |
951 | if ($cvxsub && $cvname eq "INIT") { |
952 | no strict 'refs'; |
953 | return svref_2object(\&Dummy_initxs)->save; |
af765ed9 |
954 | } |
a798dbf2 |
955 | my $sv_ix = $svsect->index + 1; |
956 | $svsect->add("svix$sv_ix"); |
957 | my $xpvcv_ix = $xpvcvsect->index + 1; |
958 | $xpvcvsect->add("xpvcvix$xpvcv_ix"); |
959 | # Save symbol now so that GvCV() doesn't recurse back to us via CvGV() |
960 | $sym = savesym($cv, "&sv_list[$sv_ix]"); |
a0e9c8c7 |
961 | warn sprintf("saving $cvstashname\:\:$cvname CV 0x%x as $sym\n", $$cv) if $debug_cv; |
a798dbf2 |
962 | if (!$$root && !$cvxsub) { |
963 | if (try_autoload($cvstashname, $cvname)) { |
964 | # Recalculate root and xsub |
965 | $root = $cv->ROOT; |
966 | $cvxsub = $cv->XSUB; |
967 | if ($$root || $cvxsub) { |
968 | warn "Successful forced autoload\n"; |
969 | } |
970 | } |
971 | } |
972 | my $startfield = 0; |
973 | my $padlist = $cv->PADLIST; |
974 | my $pv = $cv->PV; |
975 | my $xsub = 0; |
976 | my $xsubany = "Nullany"; |
977 | if ($$root) { |
978 | warn sprintf("saving op tree for CV 0x%x, root = 0x%x\n", |
979 | $$cv, $$root) if $debug_cv; |
980 | my $ppname = ""; |
981 | if ($$gv) { |
982 | my $stashname = $gv->STASH->NAME; |
983 | my $gvname = $gv->NAME; |
984 | if ($gvname ne "__ANON__") { |
985 | $ppname = (${$gv->FORM} == $$cv) ? "pp_form_" : "pp_sub_"; |
986 | $ppname .= ($stashname eq "main") ? |
987 | $gvname : "$stashname\::$gvname"; |
988 | $ppname =~ s/::/__/g; |
44887cfa |
989 | if ($gvname eq "INIT"){ |
990 | $ppname .= "_$initsub_index"; |
991 | $initsub_index++; |
992 | } |
a798dbf2 |
993 | } |
994 | } |
995 | if (!$ppname) { |
996 | $ppname = "pp_anonsub_$anonsub_index"; |
997 | $anonsub_index++; |
998 | } |
999 | $startfield = saveoptree($ppname, $root, $cv->START, $padlist->ARRAY); |
1000 | warn sprintf("done saving op tree for CV 0x%x, name %s, root 0x%x\n", |
1001 | $$cv, $ppname, $$root) if $debug_cv; |
1002 | if ($$padlist) { |
1003 | warn sprintf("saving PADLIST 0x%x for CV 0x%x\n", |
1004 | $$padlist, $$cv) if $debug_cv; |
1005 | $padlist->save; |
1006 | warn sprintf("done saving PADLIST 0x%x for CV 0x%x\n", |
1007 | $$padlist, $$cv) if $debug_cv; |
1008 | } |
1009 | } |
a798dbf2 |
1010 | else { |
1011 | warn sprintf("No definition for sub %s::%s (unable to autoload)\n", |
1012 | $cvstashname, $cvname); # debug |
66a2622e |
1013 | } |
1014 | $pv = '' unless defined $pv; # Avoid use of undef warnings |
5712119f |
1015 | $symsect->add(sprintf("xpvcvix%d\t%s, %u, 0, %d, %s, 0, Nullhv, Nullhv, %s, s\\_%x, $xsub, $xsubany, Nullgv, \"\", %d, s\\_%x, (CV*)s\\_%x, 0x%x", |
a798dbf2 |
1016 | $xpvcv_ix, cstring($pv), length($pv), $cv->IVX, |
1017 | $cv->NVX, $startfield, ${$cv->ROOT}, $cv->DEPTH, |
5cfd8ad4 |
1018 | $$padlist, ${$cv->OUTSIDE}, $cv->CvFLAGS)); |
1019 | |
1020 | if (${$cv->OUTSIDE} == ${main_cv()}){ |
1021 | $init->add(sprintf("CvOUTSIDE(s\\_%x)=PL_main_cv;",$$cv)); |
358b5eb8 |
1022 | $init->add(sprintf("SvREFCNT_inc(PL_main_cv);")); |
5cfd8ad4 |
1023 | } |
1024 | |
a798dbf2 |
1025 | if ($$gv) { |
1026 | $gv->save; |
1027 | $init->add(sprintf("CvGV(s\\_%x) = s\\_%x;",$$cv,$$gv)); |
1028 | warn sprintf("done saving GV 0x%x for CV 0x%x\n", |
1029 | $$gv, $$cv) if $debug_cv; |
1030 | } |
9d2bbe64 |
1031 | if( $ithreads ) { |
1032 | $init->add( savepvn( "CvFILE($sym)", $cv->FILE) ); |
1033 | } |
1034 | else { |
1035 | $init->add(sprintf("CvFILE($sym) = %s;", cstring($cv->FILE))); |
1036 | } |
a798dbf2 |
1037 | my $stash = $cv->STASH; |
1038 | if ($$stash) { |
1039 | $stash->save; |
1040 | $init->add(sprintf("CvSTASH(s\\_%x) = s\\_%x;", $$cv, $$stash)); |
1041 | warn sprintf("done saving STASH 0x%x for CV 0x%x\n", |
1042 | $$stash, $$cv) if $debug_cv; |
1043 | } |
1044 | $symsect->add(sprintf("svix%d\t(XPVCV*)&xpvcv_list[%u], %lu, 0x%x", |
9d2bbe64 |
1045 | $sv_ix, $xpvcv_ix, $cv->REFCNT +1*0 , $cv->FLAGS)); |
a798dbf2 |
1046 | return $sym; |
1047 | } |
1048 | |
1049 | sub B::GV::save { |
be6f3502 |
1050 | my ($gv) = @_; |
a798dbf2 |
1051 | my $sym = objsym($gv); |
1052 | if (defined($sym)) { |
1053 | #warn sprintf("GV 0x%x already saved as $sym\n", $$gv); # debug |
1054 | return $sym; |
1055 | } else { |
1056 | my $ix = $gv_index++; |
1057 | $sym = savesym($gv, "gv_list[$ix]"); |
1058 | #warn sprintf("Saving GV 0x%x as $sym\n", $$gv); # debug |
1059 | } |
87d7fd28 |
1060 | my $is_empty = $gv->is_empty; |
a798dbf2 |
1061 | my $gvname = $gv->NAME; |
b326da91 |
1062 | my $fullname = $gv->STASH->NAME . "::" . $gvname; |
1063 | my $name = cstring($fullname); |
a798dbf2 |
1064 | #warn "GV name is $name\n"; # debug |
a798dbf2 |
1065 | my $egvsym; |
87d7fd28 |
1066 | unless ($is_empty) { |
1067 | my $egv = $gv->EGV; |
1068 | if ($$gv != $$egv) { |
1069 | #warn(sprintf("EGV name is %s, saving it now\n", |
1070 | # $egv->STASH->NAME . "::" . $egv->NAME)); # debug |
1071 | $egvsym = $egv->save; |
1072 | } |
a798dbf2 |
1073 | } |
1074 | $init->add(qq[$sym = gv_fetchpv($name, TRUE, SVt_PV);], |
9d2bbe64 |
1075 | sprintf("SvFLAGS($sym) = 0x%x;", $gv->FLAGS ), |
87d7fd28 |
1076 | sprintf("GvFLAGS($sym) = 0x%x;", $gv->GvFLAGS)); |
1077 | $init->add(sprintf("GvLINE($sym) = %u;", $gv->LINE)) unless $is_empty; |
9d2bbe64 |
1078 | # XXX hack for when Perl accesses PVX of GVs |
1079 | $init->add("SvPVX($sym) = emptystring;\n"); |
a798dbf2 |
1080 | # Shouldn't need to do save_magic since gv_fetchpv handles that |
1081 | #$gv->save_magic; |
9d2bbe64 |
1082 | # XXX will always be > 1!!! |
a798dbf2 |
1083 | my $refcnt = $gv->REFCNT + 1; |
9d2bbe64 |
1084 | $init->add(sprintf("SvREFCNT($sym) += %u;", $refcnt - 1 )) if $refcnt > 1; |
87d7fd28 |
1085 | |
1086 | return $sym if $is_empty; |
1087 | |
9d2bbe64 |
1088 | # XXX B::walksymtable creates an extra reference to the GV |
a798dbf2 |
1089 | my $gvrefcnt = $gv->GvREFCNT; |
1090 | if ($gvrefcnt > 1) { |
1091 | $init->add(sprintf("GvREFCNT($sym) += %u;", $gvrefcnt - 1)); |
1092 | } |
b326da91 |
1093 | # some non-alphavetic globs require some parts to be saved |
1094 | # ( ex. %!, but not $! ) |
1095 | sub Save_HV() { 1 } |
1096 | sub Save_AV() { 2 } |
1097 | sub Save_SV() { 4 } |
1098 | sub Save_CV() { 8 } |
1099 | sub Save_FORM() { 16 } |
1100 | sub Save_IO() { 32 } |
1101 | my $savefields = 0; |
1102 | if( $gvname !~ /^([^A-Za-z]|STDIN|STDOUT|STDERR|ARGV|SIG|ENV)$/ ) { |
1103 | $savefields = Save_HV|Save_AV|Save_SV|Save_CV|Save_FORM|Save_IO; |
1104 | } |
1105 | elsif( $gvname eq '!' ) { |
1106 | $savefields = Save_HV; |
1107 | } |
1108 | # attributes::bootstrap is created in perl_parse |
1109 | # saving it would overwrite it, because perl_init() is |
1110 | # called after perl_parse() |
1111 | $savefields&=~Save_CV if $fullname eq 'attributes::bootstrap'; |
1112 | |
1113 | # save it |
9d2bbe64 |
1114 | # XXX is that correct? |
1115 | if (defined($egvsym) && $egvsym !~ m/Null/ ) { |
a798dbf2 |
1116 | # Shared glob *foo = *bar |
1117 | $init->add("gp_free($sym);", |
1118 | "GvGP($sym) = GvGP($egvsym);"); |
b326da91 |
1119 | } elsif ($savefields) { |
a798dbf2 |
1120 | # Don't save subfields of special GVs (*_, *1, *# and so on) |
1121 | # warn "GV::save saving subfields\n"; # debug |
1122 | my $gvsv = $gv->SV; |
b326da91 |
1123 | if ($$gvsv && $savefields&Save_SV) { |
cfa4c8ee |
1124 | $gvsv->save; |
a798dbf2 |
1125 | $init->add(sprintf("GvSV($sym) = s\\_%x;", $$gvsv)); |
1126 | # warn "GV::save \$$name\n"; # debug |
a798dbf2 |
1127 | } |
1128 | my $gvav = $gv->AV; |
b326da91 |
1129 | if ($$gvav && $savefields&Save_AV) { |
cfa4c8ee |
1130 | $gvav->save; |
a798dbf2 |
1131 | $init->add(sprintf("GvAV($sym) = s\\_%x;", $$gvav)); |
1132 | # warn "GV::save \@$name\n"; # debug |
a798dbf2 |
1133 | } |
1134 | my $gvhv = $gv->HV; |
b326da91 |
1135 | if ($$gvhv && $savefields&Save_HV) { |
cfa4c8ee |
1136 | $gvhv->save; |
a798dbf2 |
1137 | $init->add(sprintf("GvHV($sym) = s\\_%x;", $$gvhv)); |
1138 | # warn "GV::save \%$name\n"; # debug |
a798dbf2 |
1139 | } |
1140 | my $gvcv = $gv->CV; |
b326da91 |
1141 | if ($$gvcv && $savefields&Save_CV) { |
be6f3502 |
1142 | my $origname=cstring($gvcv->GV->EGV->STASH->NAME . |
1143 | "::" . $gvcv->GV->EGV->NAME); |
1144 | if (0 && $gvcv->XSUB && $name ne $origname) { #XSUB alias |
1145 | # must save as a 'stub' so newXS() has a CV to populate |
af765ed9 |
1146 | $init->add("{ CV *cv;"); |
be6f3502 |
1147 | $init->add("\tcv=perl_get_cv($origname,TRUE);"); |
af765ed9 |
1148 | $init->add("\tGvCV($sym)=cv;"); |
1149 | $init->add("\tSvREFCNT_inc((SV *)cv);"); |
be6f3502 |
1150 | $init->add("}"); |
b326da91 |
1151 | } else { |
be6f3502 |
1152 | $init->add(sprintf("GvCV($sym) = (CV*)(%s);", $gvcv->save)); |
1153 | # warn "GV::save &$name\n"; # debug |
1154 | } |
af765ed9 |
1155 | } |
b195d487 |
1156 | $init->add(sprintf("GvFILE($sym) = %s;", cstring($gv->FILE))); |
1157 | # warn "GV::save GvFILE(*$name)\n"; # debug |
a798dbf2 |
1158 | my $gvform = $gv->FORM; |
b326da91 |
1159 | if ($$gvform && $savefields&Save_FORM) { |
cfa4c8ee |
1160 | $gvform->save; |
a798dbf2 |
1161 | $init->add(sprintf("GvFORM($sym) = (CV*)s\\_%x;", $$gvform)); |
1162 | # warn "GV::save GvFORM(*$name)\n"; # debug |
a798dbf2 |
1163 | } |
1164 | my $gvio = $gv->IO; |
b326da91 |
1165 | if ($$gvio && $savefields&Save_IO) { |
cfa4c8ee |
1166 | $gvio->save; |
a798dbf2 |
1167 | $init->add(sprintf("GvIOp($sym) = s\\_%x;", $$gvio)); |
b326da91 |
1168 | if( $fullname =~ m/::DATA$/ && $save_data_fh ) { |
1169 | no strict 'refs'; |
1170 | my $fh = *{$fullname}{IO}; |
1171 | use strict 'refs'; |
1172 | $gvio->save_data( $fullname, <$fh> ) if $fh->opened; |
1173 | } |
a798dbf2 |
1174 | # warn "GV::save GvIO(*$name)\n"; # debug |
a798dbf2 |
1175 | } |
1176 | } |
1177 | return $sym; |
1178 | } |
9d2bbe64 |
1179 | |
a798dbf2 |
1180 | sub B::AV::save { |
1181 | my ($av) = @_; |
1182 | my $sym = objsym($av); |
1183 | return $sym if defined $sym; |
1184 | my $avflags = $av->AvFLAGS; |
1185 | $xpvavsect->add(sprintf("0, -1, -1, 0, 0.0, 0, Nullhv, 0, 0, 0x%x", |
1186 | $avflags)); |
1187 | $svsect->add(sprintf("&xpvav_list[%d], %lu, 0x%x", |
932e9ff9 |
1188 | $xpvavsect->index, $av->REFCNT , $av->FLAGS)); |
a798dbf2 |
1189 | my $sv_list_index = $svsect->index; |
1190 | my $fill = $av->FILL; |
1191 | $av->save_magic; |
1192 | warn sprintf("saving AV 0x%x FILL=$fill AvFLAGS=0x%x", $$av, $avflags) |
1193 | if $debug_av; |
1194 | # XXX AVf_REAL is wrong test: need to save comppadlist but not stack |
1195 | #if ($fill > -1 && ($avflags & AVf_REAL)) { |
1196 | if ($fill > -1) { |
1197 | my @array = $av->ARRAY; |
1198 | if ($debug_av) { |
1199 | my $el; |
1200 | my $i = 0; |
1201 | foreach $el (@array) { |
1202 | warn sprintf("AV 0x%x[%d] = %s 0x%x\n", |
1203 | $$av, $i++, class($el), $$el); |
1204 | } |
1205 | } |
9d2bbe64 |
1206 | # my @names = map($_->save, @array); |
a798dbf2 |
1207 | # XXX Better ways to write loop? |
1208 | # Perhaps svp[0] = ...; svp[1] = ...; svp[2] = ...; |
1209 | # Perhaps I32 i = 0; svp[i++] = ...; svp[i++] = ...; svp[i++] = ...; |
9d2bbe64 |
1210 | |
1211 | # micro optimization: op/pat.t ( and other code probably ) |
1212 | # has very large pads ( 20k/30k elements ) passing them to |
1213 | # ->add is a performance bottleneck: passing them as a |
1214 | # single string cuts runtime from 6min20sec to 40sec |
1215 | |
1216 | # you want to keep this out of the no_split/split |
1217 | # map("\t*svp++ = (SV*)$_;", @names), |
1218 | my $acc = ''; |
1219 | foreach my $i ( 0..$#array ) { |
1220 | $acc .= "\t*svp++ = (SV*)" . $array[$i]->save . ";\n\t"; |
1221 | } |
1222 | $acc .= "\n"; |
1223 | |
1224 | $init->no_split; |
a798dbf2 |
1225 | $init->add("{", |
1226 | "\tSV **svp;", |
1227 | "\tAV *av = (AV*)&sv_list[$sv_list_index];", |
1228 | "\tav_extend(av, $fill);", |
9d2bbe64 |
1229 | "\tsvp = AvARRAY(av);" ); |
1230 | $init->add($acc); |
1231 | $init->add("\tAvFILLp(av) = $fill;", |
a798dbf2 |
1232 | "}"); |
9d2bbe64 |
1233 | $init->split; |
1234 | # we really added a lot of lines ( B::C::InitSection->add |
1235 | # should really scan for \n, but that would slow |
1236 | # it down |
1237 | $init->inc_count( $#array ); |
a798dbf2 |
1238 | } else { |
1239 | my $max = $av->MAX; |
1240 | $init->add("av_extend((AV*)&sv_list[$sv_list_index], $max);") |
1241 | if $max > -1; |
1242 | } |
1243 | return savesym($av, "(AV*)&sv_list[$sv_list_index]"); |
1244 | } |
1245 | |
1246 | sub B::HV::save { |
1247 | my ($hv) = @_; |
1248 | my $sym = objsym($hv); |
1249 | return $sym if defined $sym; |
1250 | my $name = $hv->NAME; |
1251 | if ($name) { |
1252 | # It's a stash |
1253 | |
1254 | # A perl bug means HvPMROOT isn't altered when a PMOP is freed. Usually |
1255 | # the only symptom is that sv_reset tries to reset the PMf_USED flag of |
1256 | # a trashed op but we look at the trashed op_type and segfault. |
1257 | #my $adpmroot = ${$hv->PMROOT}; |
1258 | my $adpmroot = 0; |
1259 | $decl->add("static HV *hv$hv_index;"); |
1260 | # XXX Beware of weird package names containing double-quotes, \n, ...? |
1261 | $init->add(qq[hv$hv_index = gv_stashpv("$name", TRUE);]); |
1262 | if ($adpmroot) { |
1263 | $init->add(sprintf("HvPMROOT(hv$hv_index) = (PMOP*)s\\_%x;", |
1264 | $adpmroot)); |
1265 | } |
1266 | $sym = savesym($hv, "hv$hv_index"); |
1267 | $hv_index++; |
1268 | return $sym; |
1269 | } |
1270 | # It's just an ordinary HV |
1271 | $xpvhvsect->add(sprintf("0, 0, %d, 0, 0.0, 0, Nullhv, %d, 0, 0, 0", |
1272 | $hv->MAX, $hv->RITER)); |
1273 | $svsect->add(sprintf("&xpvhv_list[%d], %lu, 0x%x", |
932e9ff9 |
1274 | $xpvhvsect->index, $hv->REFCNT , $hv->FLAGS)); |
a798dbf2 |
1275 | my $sv_list_index = $svsect->index; |
1276 | my @contents = $hv->ARRAY; |
1277 | if (@contents) { |
1278 | my $i; |
1279 | for ($i = 1; $i < @contents; $i += 2) { |
1280 | $contents[$i] = $contents[$i]->save; |
1281 | } |
9d2bbe64 |
1282 | $init->no_split; |
a798dbf2 |
1283 | $init->add("{", "\tHV *hv = (HV*)&sv_list[$sv_list_index];"); |
1284 | while (@contents) { |
1285 | my ($key, $value) = splice(@contents, 0, 2); |
1286 | $init->add(sprintf("\thv_store(hv, %s, %u, %s, %s);", |
b326da91 |
1287 | cstring($key),length(pack "a*",$key), |
1288 | $value, hash($key))); |
cf86991c |
1289 | # $init->add(sprintf("\thv_store(hv, %s, %u, %s, %s);", |
1290 | # cstring($key),length($key),$value, 0)); |
a798dbf2 |
1291 | } |
1292 | $init->add("}"); |
9d2bbe64 |
1293 | $init->split; |
a798dbf2 |
1294 | } |
56eca212 |
1295 | $hv->save_magic(); |
a798dbf2 |
1296 | return savesym($hv, "(HV*)&sv_list[$sv_list_index]"); |
1297 | } |
1298 | |
b326da91 |
1299 | sub B::IO::save_data { |
1300 | my( $io, $globname, @data ) = @_; |
1301 | my $data = join '', @data; |
1302 | |
1303 | # XXX using $DATA might clobber it! |
1304 | my $sym = svref_2object( \\$data )->save; |
9d2bbe64 |
1305 | $init->add( split /\n/, <<CODE ); |
b326da91 |
1306 | { |
1307 | GV* gv = (GV*)gv_fetchpv( "$globname", TRUE, SVt_PV ); |
1308 | SV* sv = $sym; |
1309 | GvSV( gv ) = sv; |
1310 | } |
1311 | CODE |
e934609f |
1312 | # for PerlIO::scalar |
b326da91 |
1313 | $use_xsloader = 1; |
1314 | $init->add_eval( sprintf 'open(%s, "<", $%s)', $globname, $globname ); |
1315 | } |
1316 | |
a798dbf2 |
1317 | sub B::IO::save { |
1318 | my ($io) = @_; |
1319 | my $sym = objsym($io); |
1320 | return $sym if defined $sym; |
1321 | my $pv = $io->PV; |
66a2622e |
1322 | $pv = '' unless defined $pv; |
a798dbf2 |
1323 | my $len = length($pv); |
1324 | $xpviosect->add(sprintf("0, %u, %u, %d, %s, 0, 0, 0, 0, 0, %d, %d, %d, %d, %s, Nullgv, %s, Nullgv, %s, Nullgv, %d, %s, 0x%x", |
1325 | $len, $len+1, $io->IVX, $io->NVX, $io->LINES, |
1326 | $io->PAGE, $io->PAGE_LEN, $io->LINES_LEFT, |
1327 | cstring($io->TOP_NAME), cstring($io->FMT_NAME), |
1328 | cstring($io->BOTTOM_NAME), $io->SUBPROCESS, |
1329 | cchar($io->IoTYPE), $io->IoFLAGS)); |
1330 | $svsect->add(sprintf("&xpvio_list[%d], %lu, 0x%x", |
932e9ff9 |
1331 | $xpviosect->index, $io->REFCNT , $io->FLAGS)); |
a798dbf2 |
1332 | $sym = savesym($io, sprintf("(IO*)&sv_list[%d]", $svsect->index)); |
b326da91 |
1333 | # deal with $x = *STDIN/STDOUT/STDERR{IO} |
1334 | my $perlio_func; |
1335 | foreach ( qw(stdin stdout stderr) ) { |
1336 | $io->IsSTD($_) and $perlio_func = $_; |
1337 | } |
1338 | if( $perlio_func ) { |
1339 | $init->add( "IoIFP(${sym})=PerlIO_${perlio_func}();" ); |
1340 | $init->add( "IoOFP(${sym})=PerlIO_${perlio_func}();" ); |
1341 | } |
1342 | |
a798dbf2 |
1343 | my ($field, $fsym); |
1344 | foreach $field (qw(TOP_GV FMT_GV BOTTOM_GV)) { |
1345 | $fsym = $io->$field(); |
1346 | if ($$fsym) { |
1347 | $init->add(sprintf("Io$field($sym) = (GV*)s\\_%x;", $$fsym)); |
1348 | $fsym->save; |
1349 | } |
1350 | } |
1351 | $io->save_magic; |
1352 | return $sym; |
1353 | } |
1354 | |
1355 | sub B::SV::save { |
1356 | my $sv = shift; |
1357 | # This is where we catch an honest-to-goodness Nullsv (which gets |
1358 | # blessed into B::SV explicitly) and any stray erroneous SVs. |
1359 | return 0 unless $$sv; |
1360 | confess sprintf("cannot save that type of SV: %s (0x%x)\n", |
1361 | class($sv), $$sv); |
1362 | } |
1363 | |
1364 | sub output_all { |
1365 | my $init_name = shift; |
1366 | my $section; |
1367 | my @sections = ($opsect, $unopsect, $binopsect, $logopsect, $condopsect, |
7934575e |
1368 | $listopsect, $pmopsect, $svopsect, $padopsect, $pvopsect, |
66a2622e |
1369 | $loopsect, $copsect, $svsect, $xpvsect, |
a798dbf2 |
1370 | $xpvavsect, $xpvhvsect, $xpvcvsect, $xpvivsect, $xpvnvsect, |
1371 | $xpvmgsect, $xpvlvsect, $xrvsect, $xpvbmsect, $xpviosect); |
1372 | $symsect->output(\*STDOUT, "#define %s\n"); |
1373 | print "\n"; |
1374 | output_declarations(); |
1375 | foreach $section (@sections) { |
1376 | my $lines = $section->index + 1; |
1377 | if ($lines) { |
1378 | my $name = $section->name; |
1379 | my $typename = ($name eq "xpvcv") ? "XPVCV_or_similar" : uc($name); |
1380 | print "Static $typename ${name}_list[$lines];\n"; |
1381 | } |
1382 | } |
9d2bbe64 |
1383 | # XXX hack for when Perl accesses PVX of GVs |
1384 | print 'Static char emptystring[] = "\0";'; |
1385 | |
a798dbf2 |
1386 | $decl->output(\*STDOUT, "%s\n"); |
1387 | print "\n"; |
1388 | foreach $section (@sections) { |
1389 | my $lines = $section->index + 1; |
1390 | if ($lines) { |
1391 | my $name = $section->name; |
1392 | my $typename = ($name eq "xpvcv") ? "XPVCV_or_similar" : uc($name); |
1393 | printf "static %s %s_list[%u] = {\n", $typename, $name, $lines; |
9d2bbe64 |
1394 | $section->output(\*STDOUT, "\t{ %s }, /* %d */\n"); |
a798dbf2 |
1395 | print "};\n\n"; |
1396 | } |
1397 | } |
1398 | |
9d2bbe64 |
1399 | $init->output(\*STDOUT, "\t%s\n", $init_name ); |
a798dbf2 |
1400 | if ($verbose) { |
1401 | warn compile_stats(); |
1402 | warn "NULLOP count: $nullop_count\n"; |
1403 | } |
1404 | } |
1405 | |
1406 | sub output_declarations { |
1407 | print <<'EOT'; |
1408 | #ifdef BROKEN_STATIC_REDECL |
1409 | #define Static extern |
1410 | #else |
1411 | #define Static static |
1412 | #endif /* BROKEN_STATIC_REDECL */ |
1413 | |
1414 | #ifdef BROKEN_UNION_INIT |
1415 | /* |
1416 | * Cribbed from cv.h with ANY (a union) replaced by void*. |
1417 | * Some pre-Standard compilers can't cope with initialising unions. Ho hum. |
1418 | */ |
1419 | typedef struct { |
1420 | char * xpv_pv; /* pointer to malloced string */ |
1421 | STRLEN xpv_cur; /* length of xp_pv as a C string */ |
1422 | STRLEN xpv_len; /* allocated size */ |
1423 | IV xof_off; /* integer value */ |
76ef7183 |
1424 | NV xnv_nv; /* numeric value, if any */ |
a798dbf2 |
1425 | MAGIC* xmg_magic; /* magic for scalar array */ |
1426 | HV* xmg_stash; /* class package */ |
1427 | |
1428 | HV * xcv_stash; |
1429 | OP * xcv_start; |
1430 | OP * xcv_root; |
acfe0abc |
1431 | void (*xcv_xsub) (pTHX_ CV*); |
76ef7183 |
1432 | ANY xcv_xsubany; |
a798dbf2 |
1433 | GV * xcv_gv; |
57843af0 |
1434 | char * xcv_file; |
b195d487 |
1435 | long xcv_depth; /* >= 2 indicates recursive call */ |
a798dbf2 |
1436 | AV * xcv_padlist; |
1437 | CV * xcv_outside; |
fc290457 |
1438 | cv_flags_t xcv_flags; |
a798dbf2 |
1439 | } XPVCV_or_similar; |
1440 | #define ANYINIT(i) i |
1441 | #else |
1442 | #define XPVCV_or_similar XPVCV |
1443 | #define ANYINIT(i) {i} |
1444 | #endif /* BROKEN_UNION_INIT */ |
1445 | #define Nullany ANYINIT(0) |
1446 | |
1447 | #define UNUSED 0 |
1448 | #define sym_0 0 |
a798dbf2 |
1449 | EOT |
1450 | print "static GV *gv_list[$gv_index];\n" if $gv_index; |
1451 | print "\n"; |
1452 | } |
1453 | |
1454 | |
1455 | sub output_boilerplate { |
1456 | print <<'EOT'; |
1457 | #include "EXTERN.h" |
1458 | #include "perl.h" |
93865851 |
1459 | #include "XSUB.h" |
a798dbf2 |
1460 | |
1461 | /* Workaround for mapstart: the only op which needs a different ppaddr */ |
3f872cb9 |
1462 | #undef Perl_pp_mapstart |
1463 | #define Perl_pp_mapstart Perl_pp_grepstart |
b326da91 |
1464 | #undef OP_MAPSTART |
1465 | #define OP_MAPSTART OP_GREPSTART |
511dd457 |
1466 | #define XS_DynaLoader_boot_DynaLoader boot_DynaLoader |
5712119f |
1467 | EXTERN_C void boot_DynaLoader (pTHX_ CV* cv); |
a798dbf2 |
1468 | |
5712119f |
1469 | static void xs_init (pTHX); |
1470 | static void dl_init (pTHX); |
a798dbf2 |
1471 | static PerlInterpreter *my_perl; |
1472 | EOT |
1473 | } |
1474 | |
b326da91 |
1475 | sub init_op_addr { |
1476 | my( $op_type, $num ) = @_; |
1477 | my $op_list = $op_type."_list"; |
1478 | |
1479 | $init->add( split /\n/, <<EOT ); |
1480 | { |
1481 | int i; |
1482 | |
1483 | for( i = 0; i < ${num}; ++i ) |
1484 | { |
1485 | ${op_list}\[i].op_ppaddr = PL_ppaddr[INT2PTR(int,${op_list}\[i].op_ppaddr)]; |
1486 | } |
1487 | } |
1488 | EOT |
1489 | } |
1490 | |
1491 | sub init_op_warn { |
1492 | my( $op_type, $num ) = @_; |
1493 | my $op_list = $op_type."_list"; |
1494 | |
1495 | # for resons beyond imagination, MSVC5 considers pWARN_ALL non-const |
1496 | $init->add( split /\n/, <<EOT ); |
1497 | { |
1498 | int i; |
1499 | |
1500 | for( i = 0; i < ${num}; ++i ) |
1501 | { |
1502 | switch( (int)(${op_list}\[i].cop_warnings) ) |
1503 | { |
1504 | case 1: |
1505 | ${op_list}\[i].cop_warnings = pWARN_ALL; |
1506 | break; |
1507 | case 2: |
1508 | ${op_list}\[i].cop_warnings = pWARN_NONE; |
1509 | break; |
1510 | case 3: |
1511 | ${op_list}\[i].cop_warnings = pWARN_STD; |
1512 | break; |
1513 | default: |
1514 | break; |
1515 | } |
1516 | } |
1517 | } |
1518 | EOT |
1519 | } |
1520 | |
a798dbf2 |
1521 | sub output_main { |
1522 | print <<'EOT'; |
9d2bbe64 |
1523 | /* if USE_IMPLICIT_SYS, we need a 'real' exit */ |
1524 | #if defined(exit) |
1525 | #undef exit |
1526 | #endif |
1527 | |
a798dbf2 |
1528 | int |
a798dbf2 |
1529 | main(int argc, char **argv, char **env) |
a798dbf2 |
1530 | { |
1531 | int exitstatus; |
1532 | int i; |
1533 | char **fakeargv; |
b326da91 |
1534 | GV* tmpgv; |
1535 | SV* tmpsv; |
9d2bbe64 |
1536 | int options_count; |
a798dbf2 |
1537 | |
5712119f |
1538 | PERL_SYS_INIT3(&argc,&argv,&env); |
9d2bbe64 |
1539 | |
81009501 |
1540 | if (!PL_do_undump) { |
a798dbf2 |
1541 | my_perl = perl_alloc(); |
1542 | if (!my_perl) |
1543 | exit(1); |
1544 | perl_construct( my_perl ); |
5712119f |
1545 | PL_perl_destruct_level = 0; |
a798dbf2 |
1546 | } |
9d2bbe64 |
1547 | EOT |
1548 | if( $ithreads ) { |
1549 | # XXX init free elems! |
1550 | my $pad_len = regex_padav->FILL + 1 - 1; # first is an avref |
a798dbf2 |
1551 | |
9d2bbe64 |
1552 | print <<EOT; |
1553 | #ifdef USE_ITHREADS |
1554 | for( i = 0; i < $pad_len; ++i ) { |
1555 | av_push( PL_regex_padav, newSViv(0) ); |
1556 | } |
1557 | PL_regex_pad = AvARRAY( PL_regex_padav ); |
1558 | #endif |
1559 | EOT |
1560 | } |
1561 | |
1562 | print <<'EOT'; |
a798dbf2 |
1563 | #ifdef CSH |
81009501 |
1564 | if (!PL_cshlen) |
1565 | PL_cshlen = strlen(PL_cshname); |
a798dbf2 |
1566 | #endif |
1567 | |
1568 | #ifdef ALLOW_PERL_OPTIONS |
a798dbf2 |
1569 | #define EXTRA_OPTIONS 3 |
b326da91 |
1570 | #else |
1571 | #define EXTRA_OPTIONS 4 |
a798dbf2 |
1572 | #endif /* ALLOW_PERL_OPTIONS */ |
1573 | New(666, fakeargv, argc + EXTRA_OPTIONS + 1, char *); |
b326da91 |
1574 | |
a798dbf2 |
1575 | fakeargv[0] = argv[0]; |
1576 | fakeargv[1] = "-e"; |
1577 | fakeargv[2] = ""; |
9d2bbe64 |
1578 | options_count = 3; |
b326da91 |
1579 | EOT |
1580 | # honour -T |
9d2bbe64 |
1581 | print <<EOT; |
1582 | if( ${^TAINT} ) { |
1583 | fakeargv[options_count] = "-T"; |
1584 | ++options_count; |
1585 | } |
1586 | EOT |
b326da91 |
1587 | print <<'EOT'; |
a798dbf2 |
1588 | #ifndef ALLOW_PERL_OPTIONS |
9d2bbe64 |
1589 | fakeargv[options_count] = "--"; |
1590 | ++options_count; |
a798dbf2 |
1591 | #endif /* ALLOW_PERL_OPTIONS */ |
1592 | for (i = 1; i < argc; i++) |
9d2bbe64 |
1593 | fakeargv[i + options_count - 1] = argv[i]; |
1594 | fakeargv[argc + options_count - 1] = 0; |
b326da91 |
1595 | |
9d2bbe64 |
1596 | exitstatus = perl_parse(my_perl, xs_init, argc + options_count - 1, |
a798dbf2 |
1597 | fakeargv, NULL); |
b326da91 |
1598 | |
a798dbf2 |
1599 | if (exitstatus) |
1600 | exit( exitstatus ); |
1601 | |
b326da91 |
1602 | TAINT; |
1603 | EOT |
1604 | |
1605 | if( $use_perl_script_name ) { |
1606 | my $dollar_0 = $0; |
1607 | $dollar_0 =~ s/\\/\\\\/g; |
1608 | $dollar_0 = '"' . $dollar_0 . '"'; |
1609 | |
1610 | print <<EOT; |
1611 | if ((tmpgv = gv_fetchpv("0",TRUE, SVt_PV))) {/* $0 */ |
1612 | tmpsv = GvSV(tmpgv); |
1613 | sv_setpv(tmpsv, ${dollar_0}); |
1614 | SvSETMAGIC(tmpsv); |
1615 | } |
1616 | EOT |
1617 | } |
ede8dd12 |
1618 | else { |
1619 | print <<EOT; |
1620 | if ((tmpgv = gv_fetchpv("0",TRUE, SVt_PV))) {/* $0 */ |
1621 | tmpsv = GvSV(tmpgv); |
1622 | sv_setpv(tmpsv, argv[0]); |
1623 | SvSETMAGIC(tmpsv); |
1624 | } |
1625 | EOT |
1626 | } |
b326da91 |
1627 | |
1628 | print <<'EOT'; |
1629 | if ((tmpgv = gv_fetchpv("\030",TRUE, SVt_PV))) {/* $^X */ |
1630 | tmpsv = GvSV(tmpgv); |
1631 | #ifdef WIN32 |
1632 | sv_setpv(tmpsv,"perl.exe"); |
1633 | #else |
1634 | sv_setpv(tmpsv,"perl"); |
1635 | #endif |
1636 | SvSETMAGIC(tmpsv); |
1637 | } |
1638 | |
1639 | TAINT_NOT; |
1640 | |
1641 | /* PL_main_cv = PL_compcv; */ |
81009501 |
1642 | PL_compcv = 0; |
a798dbf2 |
1643 | |
1644 | exitstatus = perl_init(); |
1645 | if (exitstatus) |
1646 | exit( exitstatus ); |
5712119f |
1647 | dl_init(aTHX); |
a798dbf2 |
1648 | |
1649 | exitstatus = perl_run( my_perl ); |
1650 | |
1651 | perl_destruct( my_perl ); |
1652 | perl_free( my_perl ); |
1653 | |
5712119f |
1654 | PERL_SYS_TERM(); |
1655 | |
a798dbf2 |
1656 | exit( exitstatus ); |
1657 | } |
1658 | |
511dd457 |
1659 | /* yanked from perl.c */ |
a798dbf2 |
1660 | static void |
5712119f |
1661 | xs_init(pTHX) |
a798dbf2 |
1662 | { |
511dd457 |
1663 | char *file = __FILE__; |
af765ed9 |
1664 | dTARG; |
39644a26 |
1665 | dSP; |
a798dbf2 |
1666 | EOT |
af765ed9 |
1667 | print "\n#ifdef USE_DYNAMIC_LOADING"; |
1668 | print qq/\n\tnewXS("DynaLoader::boot_DynaLoader", boot_DynaLoader, file);/; |
1669 | print "\n#endif\n" ; |
a0e9c8c7 |
1670 | # delete $xsub{'DynaLoader'}; |
af765ed9 |
1671 | delete $xsub{'UNIVERSAL'}; |
be6f3502 |
1672 | print("/* bootstrapping code*/\n\tSAVETMPS;\n"); |
af765ed9 |
1673 | print("\ttarg=sv_newmortal();\n"); |
b326da91 |
1674 | print "#ifdef USE_DYNAMIC_LOADING\n"; |
a0e9c8c7 |
1675 | print "\tPUSHMARK(sp);\n"; |
1676 | print qq/\tXPUSHp("DynaLoader",strlen("DynaLoader"));\n/; |
1677 | print qq/\tPUTBACK;\n/; |
5712119f |
1678 | print "\tboot_DynaLoader(aTHX_ NULL);\n"; |
a0e9c8c7 |
1679 | print qq/\tSPAGAIN;\n/; |
1680 | print "#endif\n"; |
1681 | foreach my $stashname (keys %xsub){ |
b326da91 |
1682 | if ($xsub{$stashname} !~ m/Dynamic/ ) { |
be6f3502 |
1683 | my $stashxsub=$stashname; |
1684 | $stashxsub =~ s/::/__/g; |
1685 | print "\tPUSHMARK(sp);\n"; |
a0e9c8c7 |
1686 | print qq/\tXPUSHp("$stashname",strlen("$stashname"));\n/; |
1687 | print qq/\tPUTBACK;\n/; |
5712119f |
1688 | print "\tboot_$stashxsub(aTHX_ NULL);\n"; |
a0e9c8c7 |
1689 | print qq/\tSPAGAIN;\n/; |
be6f3502 |
1690 | } |
1691 | } |
1692 | print("\tFREETMPS;\n/* end bootstrapping code */\n"); |
a0e9c8c7 |
1693 | print "}\n"; |
be6f3502 |
1694 | |
1695 | print <<'EOT'; |
1696 | static void |
5712119f |
1697 | dl_init(pTHX) |
be6f3502 |
1698 | { |
1699 | char *file = __FILE__; |
1700 | dTARG; |
39644a26 |
1701 | dSP; |
be6f3502 |
1702 | EOT |
1703 | print("/* Dynamicboot strapping code*/\n\tSAVETMPS;\n"); |
1704 | print("\ttarg=sv_newmortal();\n"); |
1705 | foreach my $stashname (@DynaLoader::dl_modules) { |
1706 | warn "Loaded $stashname\n"; |
b326da91 |
1707 | if (exists($xsub{$stashname}) && $xsub{$stashname} =~ m/Dynamic/) { |
be6f3502 |
1708 | my $stashxsub=$stashname; |
1709 | $stashxsub =~ s/::/__/g; |
1710 | print "\tPUSHMARK(sp);\n"; |
a0e9c8c7 |
1711 | print qq/\tXPUSHp("$stashname",/,length($stashname),qq/);\n/; |
be6f3502 |
1712 | print qq/\tPUTBACK;\n/; |
b326da91 |
1713 | print "#ifdef USE_DYNAMIC_LOADING\n"; |
af765ed9 |
1714 | warn "bootstrapping $stashname added to xs_init\n"; |
b326da91 |
1715 | if( $xsub{$stashname} eq 'Dynamic' ) { |
1716 | print qq/\tperl_call_method("bootstrap",G_DISCARD);\n/; |
1717 | } |
1718 | else { |
1719 | print qq/\tperl_call_pv("XSLoader::load",G_DISCARD);\n/; |
1720 | } |
9d2bbe64 |
1721 | print "#else\n"; |
5712119f |
1722 | print "\tboot_$stashxsub(aTHX_ NULL);\n"; |
be6f3502 |
1723 | print "#endif\n"; |
1724 | print qq/\tSPAGAIN;\n/; |
1725 | } |
af765ed9 |
1726 | } |
be6f3502 |
1727 | print("\tFREETMPS;\n/* end Dynamic bootstrapping code */\n"); |
a0e9c8c7 |
1728 | print "}\n"; |
af765ed9 |
1729 | } |
a798dbf2 |
1730 | sub dump_symtable { |
1731 | # For debugging |
1732 | my ($sym, $val); |
1733 | warn "----Symbol table:\n"; |
1734 | while (($sym, $val) = each %symtable) { |
1735 | warn "$sym => $val\n"; |
1736 | } |
1737 | warn "---End of symbol table\n"; |
1738 | } |
1739 | |
1740 | sub save_object { |
1741 | my $sv; |
1742 | foreach $sv (@_) { |
1743 | svref_2object($sv)->save; |
1744 | } |
338a6d08 |
1745 | } |
1746 | |
1747 | sub Dummy_BootStrap { } |
a798dbf2 |
1748 | |
66a2622e |
1749 | sub B::GV::savecv |
1750 | { |
1751 | my $gv = shift; |
1752 | my $package=$gv->STASH->NAME; |
1753 | my $name = $gv->NAME; |
1754 | my $cv = $gv->CV; |
7cf11ee8 |
1755 | my $sv = $gv->SV; |
1756 | my $av = $gv->AV; |
1757 | my $hv = $gv->HV; |
7cf11ee8 |
1758 | |
b326da91 |
1759 | my $fullname = $gv->STASH->NAME . "::" . $gv->NAME; |
1760 | |
66a2622e |
1761 | # We may be looking at this package just because it is a branch in the |
1762 | # symbol table which is on the path to a package which we need to save |
7cf11ee8 |
1763 | # e.g. this is 'Getopt' and we need to save 'Getopt::Long' |
66a2622e |
1764 | # |
7cf11ee8 |
1765 | return unless ($unused_sub_packages{$package}); |
be6f3502 |
1766 | return unless ($$cv || $$av || $$sv || $$hv); |
1767 | $gv->save; |
66a2622e |
1768 | } |
5ed82aed |
1769 | |
66a2622e |
1770 | sub mark_package |
1771 | { |
1772 | my $package = shift; |
1773 | unless ($unused_sub_packages{$package}) |
1774 | { |
1775 | no strict 'refs'; |
1776 | $unused_sub_packages{$package} = 1; |
6771324e |
1777 | if (defined @{$package.'::ISA'}) |
66a2622e |
1778 | { |
1779 | foreach my $isa (@{$package.'::ISA'}) |
1780 | { |
1781 | if ($isa eq 'DynaLoader') |
1782 | { |
1783 | unless (defined(&{$package.'::bootstrap'})) |
1784 | { |
1785 | warn "Forcing bootstrap of $package\n"; |
1786 | eval { $package->bootstrap }; |
1787 | } |
1788 | } |
a0e9c8c7 |
1789 | # else |
66a2622e |
1790 | { |
1791 | unless ($unused_sub_packages{$isa}) |
1792 | { |
1793 | warn "$isa saved (it is in $package\'s \@ISA)\n"; |
1794 | mark_package($isa); |
1795 | } |
1796 | } |
1797 | } |
1798 | } |
1799 | } |
1800 | return 1; |
1801 | } |
1802 | |
1803 | sub should_save |
1804 | { |
1805 | no strict qw(vars refs); |
1806 | my $package = shift; |
1807 | $package =~ s/::$//; |
1808 | return $unused_sub_packages{$package} = 0 if ($package =~ /::::/); # skip ::::ISA::CACHE etc. |
cf86991c |
1809 | # warn "Considering $package\n";#debug |
66a2622e |
1810 | foreach my $u (grep($unused_sub_packages{$_},keys %unused_sub_packages)) |
1811 | { |
1812 | # If this package is a prefix to something we are saving, traverse it |
1813 | # but do not mark it for saving if it is not already |
1814 | # e.g. to get to Getopt::Long we need to traverse Getopt but need |
1815 | # not save Getopt |
1816 | return 1 if ($u =~ /^$package\:\:/); |
1817 | } |
1818 | if (exists $unused_sub_packages{$package}) |
1819 | { |
cf86991c |
1820 | # warn "Cached $package is ".$unused_sub_packages{$package}."\n"; |
cfa4c8ee |
1821 | delete_unsaved_hashINC($package) unless $unused_sub_packages{$package} ; |
1822 | return $unused_sub_packages{$package}; |
66a2622e |
1823 | } |
1824 | # Omit the packages which we use (and which cause grief |
1825 | # because of fancy "goto &$AUTOLOAD" stuff). |
1826 | # XXX Surely there must be a nicer way to do this. |
1827 | if ($package eq "FileHandle" || $package eq "Config" || |
cf86991c |
1828 | $package eq "SelectSaver" || $package =~/^(B|IO)::/) |
66a2622e |
1829 | { |
cfa4c8ee |
1830 | delete_unsaved_hashINC($package); |
66a2622e |
1831 | return $unused_sub_packages{$package} = 0; |
1832 | } |
1833 | # Now see if current package looks like an OO class this is probably too strong. |
1834 | foreach my $m (qw(new DESTROY TIESCALAR TIEARRAY TIEHASH TIEHANDLE)) |
1835 | { |
b368a11e |
1836 | if (UNIVERSAL::can($package, $m)) |
66a2622e |
1837 | { |
1838 | warn "$package has method $m: saving package\n";#debug |
1839 | return mark_package($package); |
1840 | } |
1841 | } |
cfa4c8ee |
1842 | delete_unsaved_hashINC($package); |
66a2622e |
1843 | return $unused_sub_packages{$package} = 0; |
a798dbf2 |
1844 | } |
cfa4c8ee |
1845 | sub delete_unsaved_hashINC{ |
1846 | my $packname=shift; |
1847 | $packname =~ s/\:\:/\//g; |
1848 | $packname .= '.pm'; |
59c10aa2 |
1849 | # warn "deleting $packname" if $INC{$packname} ;# debug |
cfa4c8ee |
1850 | delete $INC{$packname}; |
1851 | } |
66a2622e |
1852 | sub walkpackages |
1853 | { |
1854 | my ($symref, $recurse, $prefix) = @_; |
1855 | my $sym; |
1856 | my $ref; |
1857 | no strict 'vars'; |
1858 | local(*glob); |
1859 | $prefix = '' unless defined $prefix; |
1860 | while (($sym, $ref) = each %$symref) |
1861 | { |
1862 | *glob = $ref; |
1863 | if ($sym =~ /::$/) |
1864 | { |
1865 | $sym = $prefix . $sym; |
b4e94495 |
1866 | if ($sym ne "main::" && $sym ne "<none>::" && &$recurse($sym)) |
66a2622e |
1867 | { |
1868 | walkpackages(\%glob, $recurse, $sym); |
1869 | } |
1870 | } |
1871 | } |
1872 | } |
338a6d08 |
1873 | |
1874 | |
66a2622e |
1875 | sub save_unused_subs |
1876 | { |
1877 | no strict qw(refs); |
a9b6343a |
1878 | &descend_marked_unused; |
66a2622e |
1879 | warn "Prescan\n"; |
1880 | walkpackages(\%{"main::"}, sub { should_save($_[0]); return 1 }); |
1881 | warn "Saving methods\n"; |
1882 | walksymtable(\%{"main::"}, "savecv", \&should_save); |
a798dbf2 |
1883 | } |
1884 | |
0cc1d052 |
1885 | sub save_context |
1886 | { |
1887 | my $curpad_nam = (comppadlist->ARRAY)[0]->save; |
1888 | my $curpad_sym = (comppadlist->ARRAY)[1]->save; |
1889 | my $inc_hv = svref_2object(\%INC)->save; |
1890 | my $inc_av = svref_2object(\@INC)->save; |
56eca212 |
1891 | my $amagic_generate= amagic_generation; |
0cc1d052 |
1892 | $init->add( "PL_curpad = AvARRAY($curpad_sym);", |
1893 | "GvHV(PL_incgv) = $inc_hv;", |
1894 | "GvAV(PL_incgv) = $inc_av;", |
1895 | "av_store(CvPADLIST(PL_main_cv),0,SvREFCNT_inc($curpad_nam));", |
56eca212 |
1896 | "av_store(CvPADLIST(PL_main_cv),1,SvREFCNT_inc($curpad_sym));", |
1897 | "PL_amagic_generation= $amagic_generate;" ); |
0cc1d052 |
1898 | } |
1899 | |
a9b6343a |
1900 | sub descend_marked_unused { |
1901 | foreach my $pack (keys %unused_sub_packages) |
1902 | { |
1903 | mark_package($pack); |
1904 | } |
1905 | } |
73544139 |
1906 | |
a798dbf2 |
1907 | sub save_main { |
b326da91 |
1908 | # this is mainly for the test suite |
1909 | my $warner = $SIG{__WARN__}; |
1910 | local $SIG{__WARN__} = sub { print STDERR @_ }; |
1911 | |
66a2622e |
1912 | warn "Starting compile\n"; |
66a2622e |
1913 | warn "Walking tree\n"; |
73544139 |
1914 | seek(STDOUT,0,0); #exclude print statements in BEGIN{} into output |
a798dbf2 |
1915 | walkoptree(main_root, "save"); |
1916 | warn "done main optree, walking symtable for extras\n" if $debug_cv; |
66a2622e |
1917 | save_unused_subs(); |
b326da91 |
1918 | # XSLoader was used, force saving of XSLoader::load |
1919 | if( $use_xsloader ) { |
1920 | my $cv = svref_2object( \&XSLoader::load ); |
1921 | $cv->save; |
1922 | } |
1923 | # save %SIG ( in case it was set in a BEGIN block ) |
1924 | if( $save_sig ) { |
1925 | local $SIG{__WARN__} = $warner; |
9d2bbe64 |
1926 | $init->no_split; |
b326da91 |
1927 | $init->add("{", "\tHV* hv = get_hv(\"main::SIG\",1);" ); |
1928 | foreach my $k ( keys %SIG ) { |
9d2bbe64 |
1929 | next unless ref $SIG{$k}; |
b326da91 |
1930 | my $cv = svref_2object( \$SIG{$k} ); |
1931 | my $sv = $cv->save; |
1932 | $init->add('{',sprintf 'SV* sv = (SV*)%s;', $sv ); |
1933 | $init->add(sprintf("\thv_store(hv, %s, %u, %s, %s);", |
1934 | cstring($k),length(pack "a*",$k), |
1935 | 'sv', hash($k))); |
1936 | $init->add('mg_set(sv);','}'); |
1937 | } |
1938 | $init->add('}'); |
9d2bbe64 |
1939 | $init->split; |
b326da91 |
1940 | } |
1941 | # honour -w |
1942 | $init->add( sprintf " PL_dowarn = ( %s ) ? G_WARN_ON : G_WARN_OFF;", $^W ); |
1943 | # |
0cc1d052 |
1944 | my $init_av = init_av->save; |
b326da91 |
1945 | my $end_av = end_av->save; |
81009501 |
1946 | $init->add(sprintf("PL_main_root = s\\_%x;", ${main_root()}), |
1947 | sprintf("PL_main_start = s\\_%x;", ${main_start()}), |
b326da91 |
1948 | "PL_initav = (AV *) $init_av;", |
1949 | "PL_endav = (AV*) $end_av;"); |
0cc1d052 |
1950 | save_context(); |
b326da91 |
1951 | # init op addrs ( must be the last action, otherwise |
1952 | # some ops might not be initialized |
1953 | if( $optimize_ppaddr ) { |
1954 | foreach my $i ( @op_sections ) { |
1955 | my $section = $$i; |
1956 | next unless $section->index >= 0; |
1957 | init_op_addr( $section->name, $section->index + 1); |
1958 | } |
1959 | } |
1960 | init_op_warn( $copsect->name, $copsect->index + 1) |
1961 | if $optimize_warn_sv && $copsect->index >= 0; |
1962 | |
5ed82aed |
1963 | warn "Writing output\n"; |
a798dbf2 |
1964 | output_boilerplate(); |
1965 | print "\n"; |
1966 | output_all("perl_init"); |
1967 | print "\n"; |
1968 | output_main(); |
1969 | } |
1970 | |
1971 | sub init_sections { |
b326da91 |
1972 | my @sections = (decl => \$decl, sym => \$symsect, |
a798dbf2 |
1973 | binop => \$binopsect, condop => \$condopsect, |
7934575e |
1974 | cop => \$copsect, padop => \$padopsect, |
a798dbf2 |
1975 | listop => \$listopsect, logop => \$logopsect, |
1976 | loop => \$loopsect, op => \$opsect, pmop => \$pmopsect, |
1977 | pvop => \$pvopsect, svop => \$svopsect, unop => \$unopsect, |
1978 | sv => \$svsect, xpv => \$xpvsect, xpvav => \$xpvavsect, |
1979 | xpvhv => \$xpvhvsect, xpvcv => \$xpvcvsect, |
1980 | xpviv => \$xpvivsect, xpvnv => \$xpvnvsect, |
1981 | xpvmg => \$xpvmgsect, xpvlv => \$xpvlvsect, |
1982 | xrv => \$xrvsect, xpvbm => \$xpvbmsect, |
af765ed9 |
1983 | xpvio => \$xpviosect); |
a798dbf2 |
1984 | my ($name, $sectref); |
1985 | while (($name, $sectref) = splice(@sections, 0, 2)) { |
66a2622e |
1986 | $$sectref = new B::C::Section $name, \%symtable, 0; |
a798dbf2 |
1987 | } |
b326da91 |
1988 | $init = new B::C::InitSection 'init', \%symtable, 0; |
1989 | } |
0cc1d052 |
1990 | |
1991 | sub mark_unused |
1992 | { |
1993 | my ($arg,$val) = @_; |
1994 | $unused_sub_packages{$arg} = $val; |
a798dbf2 |
1995 | } |
1996 | |
1997 | sub compile { |
1998 | my @options = @_; |
1999 | my ($option, $opt, $arg); |
b326da91 |
2000 | my @eval_at_startup; |
2001 | my %option_map = ( 'cog' => \$pv_copy_on_grow, |
2002 | 'save-data' => \$save_data_fh, |
2003 | 'ppaddr' => \$optimize_ppaddr, |
2004 | 'warn-sv' => \$optimize_warn_sv, |
2005 | 'use-script-name' => \$use_perl_script_name, |
2006 | 'save-sig-hash' => \$save_sig, |
2007 | ); |
9d2bbe64 |
2008 | my %optimization_map = ( 0 => [ qw() ], # special case |
2009 | 1 => [ qw(-fcog) ], |
2010 | 2 => [ qw(-fwarn-sv -fppaddr) ], |
2011 | ); |
a798dbf2 |
2012 | OPTION: |
2013 | while ($option = shift @options) { |
2014 | if ($option =~ /^-(.)(.*)/) { |
2015 | $opt = $1; |
2016 | $arg = $2; |
2017 | } else { |
2018 | unshift @options, $option; |
2019 | last OPTION; |
2020 | } |
2021 | if ($opt eq "-" && $arg eq "-") { |
2022 | shift @options; |
2023 | last OPTION; |
2024 | } |
2025 | if ($opt eq "w") { |
2026 | $warn_undefined_syms = 1; |
2027 | } elsif ($opt eq "D") { |
2028 | $arg ||= shift @options; |
2029 | foreach $arg (split(//, $arg)) { |
2030 | if ($arg eq "o") { |
2031 | B->debug(1); |
2032 | } elsif ($arg eq "c") { |
2033 | $debug_cops = 1; |
2034 | } elsif ($arg eq "A") { |
2035 | $debug_av = 1; |
2036 | } elsif ($arg eq "C") { |
2037 | $debug_cv = 1; |
2038 | } elsif ($arg eq "M") { |
2039 | $debug_mg = 1; |
2040 | } else { |
2041 | warn "ignoring unknown debug option: $arg\n"; |
2042 | } |
2043 | } |
2044 | } elsif ($opt eq "o") { |
2045 | $arg ||= shift @options; |
2046 | open(STDOUT, ">$arg") or return "$arg: $!\n"; |
2047 | } elsif ($opt eq "v") { |
2048 | $verbose = 1; |
2049 | } elsif ($opt eq "u") { |
2050 | $arg ||= shift @options; |
0cc1d052 |
2051 | mark_unused($arg,undef); |
a798dbf2 |
2052 | } elsif ($opt eq "f") { |
2053 | $arg ||= shift @options; |
b326da91 |
2054 | $arg =~ m/(no-)?(.*)/; |
2055 | my $no = defined($1) && $1 eq 'no-'; |
2056 | $arg = $no ? $2 : $arg; |
2057 | if( exists $option_map{$arg} ) { |
2058 | ${$option_map{$arg}} = !$no; |
2059 | } else { |
2060 | die "Invalid optimization '$arg'"; |
2061 | } |
a798dbf2 |
2062 | } elsif ($opt eq "O") { |
2063 | $arg = 1 if $arg eq ""; |
9d2bbe64 |
2064 | my @opt; |
2065 | foreach my $i ( 1 .. $arg ) { |
2066 | push @opt, @{$optimization_map{$i}} |
2067 | if exists $optimization_map{$i}; |
2068 | } |
2069 | unshift @options, @opt; |
b326da91 |
2070 | } elsif ($opt eq "e") { |
2071 | push @eval_at_startup, $arg; |
dc333d64 |
2072 | } elsif ($opt eq "l") { |
2073 | $max_string_len = $arg; |
a798dbf2 |
2074 | } |
2075 | } |
2076 | init_sections(); |
b326da91 |
2077 | foreach my $i ( @eval_at_startup ) { |
2078 | $init->add_eval( $i ); |
2079 | } |
a798dbf2 |
2080 | if (@options) { |
2081 | return sub { |
2082 | my $objname; |
2083 | foreach $objname (@options) { |
2084 | eval "save_object(\\$objname)"; |
2085 | } |
2086 | output_all(); |
2087 | } |
2088 | } else { |
2089 | return sub { save_main() }; |
2090 | } |
2091 | } |
2092 | |
2093 | 1; |
7f20e9dd |
2094 | |
2095 | __END__ |
2096 | |
2097 | =head1 NAME |
2098 | |
2099 | B::C - Perl compiler's C backend |
2100 | |
2101 | =head1 SYNOPSIS |
2102 | |
2103 | perl -MO=C[,OPTIONS] foo.pl |
2104 | |
2105 | =head1 DESCRIPTION |
2106 | |
1a52ab62 |
2107 | This compiler backend takes Perl source and generates C source code |
2108 | corresponding to the internal structures that perl uses to run |
2109 | your program. When the generated C source is compiled and run, it |
2110 | cuts out the time which perl would have taken to load and parse |
2111 | your program into its internal semi-compiled form. That means that |
2112 | compiling with this backend will not help improve the runtime |
2113 | execution speed of your program but may improve the start-up time. |
2114 | Depending on the environment in which your program runs this may be |
2115 | either a help or a hindrance. |
2116 | |
2117 | =head1 OPTIONS |
2118 | |
2119 | If there are any non-option arguments, they are taken to be |
2120 | names of objects to be saved (probably doesn't work properly yet). |
2121 | Without extra arguments, it saves the main program. |
2122 | |
2123 | =over 4 |
2124 | |
2125 | =item B<-ofilename> |
2126 | |
2127 | Output to filename instead of STDOUT |
2128 | |
2129 | =item B<-v> |
2130 | |
2131 | Verbose compilation (currently gives a few compilation statistics). |
2132 | |
2133 | =item B<--> |
2134 | |
2135 | Force end of options |
2136 | |
2137 | =item B<-uPackname> |
2138 | |
2139 | Force apparently unused subs from package Packname to be compiled. |
2140 | This allows programs to use eval "foo()" even when sub foo is never |
2141 | seen to be used at compile time. The down side is that any subs which |
2142 | really are never used also have code generated. This option is |
2143 | necessary, for example, if you have a signal handler foo which you |
2144 | initialise with C<$SIG{BAR} = "foo">. A better fix, though, is just |
2145 | to change it to C<$SIG{BAR} = \&foo>. You can have multiple B<-u> |
2146 | options. The compiler tries to figure out which packages may possibly |
2147 | have subs in which need compiling but the current version doesn't do |
2148 | it very well. In particular, it is confused by nested packages (i.e. |
2149 | of the form C<A::B>) where package C<A> does not contain any subs. |
2150 | |
2151 | =item B<-D> |
2152 | |
2153 | Debug options (concatenated or separate flags like C<perl -D>). |
2154 | |
2155 | =item B<-Do> |
2156 | |
2157 | OPs, prints each OP as it's processed |
2158 | |
2159 | =item B<-Dc> |
2160 | |
2161 | COPs, prints COPs as processed (incl. file & line num) |
2162 | |
2163 | =item B<-DA> |
2164 | |
2165 | prints AV information on saving |
2166 | |
2167 | =item B<-DC> |
2168 | |
2169 | prints CV information on saving |
2170 | |
2171 | =item B<-DM> |
2172 | |
2173 | prints MAGIC information on saving |
2174 | |
2175 | =item B<-f> |
2176 | |
b326da91 |
2177 | Force options/optimisations on or off one at a time. You can explicitly |
2178 | disable an option using B<-fno-option>. All options default to |
2179 | B<disabled>. |
2180 | |
2181 | =over 4 |
1a52ab62 |
2182 | |
2183 | =item B<-fcog> |
2184 | |
2185 | Copy-on-grow: PVs declared and initialised statically. |
2186 | |
b326da91 |
2187 | =item B<-fsave-data> |
2188 | |
2189 | Save package::DATA filehandles ( only available with PerlIO ). |
1a52ab62 |
2190 | |
b326da91 |
2191 | =item B<-fppaddr> |
2192 | |
2193 | Optimize the initialization of op_ppaddr. |
2194 | |
2195 | =item B<-fwarn-sv> |
2196 | |
2197 | Optimize the initialization of cop_warnings. |
2198 | |
2199 | =item B<-fuse-script-name> |
2200 | |
2201 | Use the script name instead of the program name as $0. |
2202 | |
2203 | =item B<-fsave-sig-hash> |
2204 | |
2205 | Save compile-time modifications to the %SIG hash. |
2206 | |
2207 | =back |
1a52ab62 |
2208 | |
2209 | =item B<-On> |
2210 | |
9d2bbe64 |
2211 | Optimisation level (n = 0, 1, 2, ...). B<-O> means B<-O1>. |
2212 | |
2213 | =over 4 |
2214 | |
2215 | =item B<-O0> |
2216 | |
2217 | Disable all optimizations. |
2218 | |
2219 | =item B<-O1> |
2220 | |
2221 | Enable B<-fcog>. |
2222 | |
2223 | =item B<-O2> |
2224 | |
2225 | Enable B<-fppaddr>, B<-fwarn-sv>. |
2226 | |
2227 | =back |
1a52ab62 |
2228 | |
dc333d64 |
2229 | =item B<-llimit> |
2230 | |
2231 | Some C compilers impose an arbitrary limit on the length of string |
2232 | constants (e.g. 2048 characters for Microsoft Visual C++). The |
2233 | B<-llimit> options tells the C backend not to generate string literals |
2234 | exceeding that limit. |
2235 | |
a45bd81d |
2236 | =back |
2237 | |
1a52ab62 |
2238 | =head1 EXAMPLES |
2239 | |
2240 | perl -MO=C,-ofoo.c foo.pl |
2241 | perl cc_harness -o foo foo.c |
2242 | |
2243 | Note that C<cc_harness> lives in the C<B> subdirectory of your perl |
2244 | library directory. The utility called C<perlcc> may also be used to |
2245 | help make use of this compiler. |
2246 | |
dc333d64 |
2247 | perl -MO=C,-v,-DcA,-l2048 bar.pl > /dev/null |
1a52ab62 |
2248 | |
2249 | =head1 BUGS |
2250 | |
2251 | Plenty. Current status: experimental. |
7f20e9dd |
2252 | |
2253 | =head1 AUTHOR |
2254 | |
2255 | Malcolm Beattie, C<mbeattie@sable.ox.ac.uk> |
2256 | |
2257 | =cut |