Commit | Line | Data |
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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 | # |
f5ba1307 |
8 | |
9 | package B::C; |
28b605d8 |
10 | |
7c60e434 |
11 | our $VERSION = '1.05'; |
28b605d8 |
12 | |
f5ba1307 |
13 | package B::C::Section; |
14 | |
66a2622e |
15 | use B (); |
16 | use base B::Section; |
17 | |
18 | sub new |
19 | { |
20 | my $class = shift; |
21 | my $o = $class->SUPER::new(@_); |
b326da91 |
22 | push @$o, { values => [] }; |
66a2622e |
23 | return $o; |
24 | } |
25 | |
26 | sub add |
b326da91 |
27 | { |
66a2622e |
28 | my $section = shift; |
b326da91 |
29 | push(@{$section->[-1]{values}},@_); |
66a2622e |
30 | } |
31 | |
32 | sub index |
b326da91 |
33 | { |
66a2622e |
34 | my $section = shift; |
b326da91 |
35 | return scalar(@{$section->[-1]{values}})-1; |
66a2622e |
36 | } |
37 | |
38 | sub output |
b326da91 |
39 | { |
66a2622e |
40 | my ($section, $fh, $format) = @_; |
41 | my $sym = $section->symtable || {}; |
42 | my $default = $section->default; |
9d2bbe64 |
43 | my $i; |
b326da91 |
44 | foreach (@{$section->[-1]{values}}) |
66a2622e |
45 | { |
46 | s{(s\\_[0-9a-f]+)}{ exists($sym->{$1}) ? $sym->{$1} : $default; }ge; |
9d2bbe64 |
47 | printf $fh $format, $_, $i; |
48 | ++$i; |
66a2622e |
49 | } |
50 | } |
51 | |
b326da91 |
52 | package B::C::InitSection; |
53 | |
9d2bbe64 |
54 | # avoid use vars |
55 | @B::C::InitSection::ISA = qw(B::C::Section); |
b326da91 |
56 | |
57 | sub new { |
58 | my $class = shift; |
9d2bbe64 |
59 | my $max_lines = 10000; #pop; |
b326da91 |
60 | my $section = $class->SUPER::new( @_ ); |
61 | |
62 | $section->[-1]{evals} = []; |
9d2bbe64 |
63 | $section->[-1]{chunks} = []; |
64 | $section->[-1]{nosplit} = 0; |
65 | $section->[-1]{current} = []; |
66 | $section->[-1]{count} = 0; |
67 | $section->[-1]{max_lines} = $max_lines; |
b326da91 |
68 | |
69 | return $section; |
70 | } |
71 | |
9d2bbe64 |
72 | sub split { |
73 | my $section = shift; |
74 | $section->[-1]{nosplit}-- |
75 | if $section->[-1]{nosplit} > 0; |
76 | } |
77 | |
78 | sub no_split { |
79 | shift->[-1]{nosplit}++; |
80 | } |
81 | |
82 | sub inc_count { |
83 | my $section = shift; |
84 | |
85 | $section->[-1]{count} += $_[0]; |
86 | # this is cheating |
87 | $section->add(); |
88 | } |
89 | |
90 | sub add { |
91 | my $section = shift->[-1]; |
92 | my $current = $section->{current}; |
93 | my $nosplit = $section->{nosplit}; |
94 | |
95 | push @$current, @_; |
96 | $section->{count} += scalar(@_); |
97 | if( !$nosplit && $section->{count} >= $section->{max_lines} ) { |
98 | push @{$section->{chunks}}, $current; |
99 | $section->{current} = []; |
100 | $section->{count} = 0; |
101 | } |
102 | } |
103 | |
b326da91 |
104 | sub add_eval { |
105 | my $section = shift; |
106 | my @strings = @_; |
107 | |
108 | foreach my $i ( @strings ) { |
109 | $i =~ s/\"/\\\"/g; |
110 | } |
111 | push @{$section->[-1]{evals}}, @strings; |
112 | } |
113 | |
114 | sub output { |
9d2bbe64 |
115 | my( $section, $fh, $format, $init_name ) = @_; |
116 | my $sym = $section->symtable || {}; |
117 | my $default = $section->default; |
118 | push @{$section->[-1]{chunks}}, $section->[-1]{current}; |
119 | |
120 | my $name = "aaaa"; |
121 | foreach my $i ( @{$section->[-1]{chunks}} ) { |
122 | print $fh <<"EOT"; |
123 | static int perl_init_${name}() |
124 | { |
125 | dTARG; |
126 | dSP; |
127 | EOT |
128 | foreach my $j ( @$i ) { |
129 | $j =~ s{(s\\_[0-9a-f]+)} |
130 | { exists($sym->{$1}) ? $sym->{$1} : $default; }ge; |
131 | print $fh "\t$j\n"; |
132 | } |
133 | print $fh "\treturn 0;\n}\n"; |
b326da91 |
134 | |
9d2bbe64 |
135 | $section->SUPER::add( "perl_init_${name}();" ); |
136 | ++$name; |
137 | } |
b326da91 |
138 | foreach my $i ( @{$section->[-1]{evals}} ) { |
9d2bbe64 |
139 | $section->SUPER::add( sprintf q{eval_pv("%s",1);}, $i ); |
b326da91 |
140 | } |
9d2bbe64 |
141 | |
142 | print $fh <<"EOT"; |
143 | static int ${init_name}() |
144 | { |
145 | dTARG; |
146 | dSP; |
147 | EOT |
148 | $section->SUPER::output( $fh, $format ); |
149 | print $fh "\treturn 0;\n}\n"; |
b326da91 |
150 | } |
151 | |
152 | |
a798dbf2 |
153 | package B::C; |
154 | use Exporter (); |
9d2bbe64 |
155 | our %REGEXP; |
156 | |
157 | { # block necessary for caller to work |
158 | my $caller = caller; |
159 | if( $caller eq 'O' ) { |
160 | require XSLoader; |
161 | XSLoader::load( 'B::C' ); |
162 | } |
163 | } |
164 | |
a798dbf2 |
165 | @ISA = qw(Exporter); |
0cc1d052 |
166 | @EXPORT_OK = qw(output_all output_boilerplate output_main mark_unused |
167 | init_sections set_callback save_unused_subs objsym save_context); |
a798dbf2 |
168 | |
169 | use B qw(minus_c sv_undef walkoptree walksymtable main_root main_start peekop |
170 | class cstring cchar svref_2object compile_stats comppadlist hash |
9d2bbe64 |
171 | threadsv_names main_cv init_av end_av regex_padav opnumber amagic_generation |
11ca45c0 |
172 | HEf_SVKEY SVf_POK SVf_ROK CVf_CONST); |
a798dbf2 |
173 | use B::Asmdata qw(@specialsv_name); |
174 | |
175 | use FileHandle; |
176 | use Carp; |
177 | use strict; |
f0cd5c3a |
178 | use Config; |
a798dbf2 |
179 | |
180 | my $hv_index = 0; |
181 | my $gv_index = 0; |
182 | my $re_index = 0; |
183 | my $pv_index = 0; |
b326da91 |
184 | my $cv_index = 0; |
a798dbf2 |
185 | my $anonsub_index = 0; |
44887cfa |
186 | my $initsub_index = 0; |
a798dbf2 |
187 | |
188 | my %symtable; |
af765ed9 |
189 | my %xsub; |
a798dbf2 |
190 | my $warn_undefined_syms; |
191 | my $verbose; |
66a2622e |
192 | my %unused_sub_packages; |
b326da91 |
193 | my $use_xsloader; |
a798dbf2 |
194 | my $nullop_count; |
66a2622e |
195 | my $pv_copy_on_grow = 0; |
b326da91 |
196 | my $optimize_ppaddr = 0; |
197 | my $optimize_warn_sv = 0; |
198 | my $use_perl_script_name = 0; |
199 | my $save_data_fh = 0; |
200 | my $save_sig = 0; |
a798dbf2 |
201 | my ($debug_cops, $debug_av, $debug_cv, $debug_mg); |
dc333d64 |
202 | my $max_string_len; |
a798dbf2 |
203 | |
9d2bbe64 |
204 | my $ithreads = $Config{useithreads} eq 'define'; |
205 | |
a798dbf2 |
206 | my @threadsv_names; |
207 | BEGIN { |
208 | @threadsv_names = threadsv_names(); |
209 | } |
210 | |
211 | # Code sections |
66a2622e |
212 | my ($init, $decl, $symsect, $binopsect, $condopsect, $copsect, |
7934575e |
213 | $padopsect, $listopsect, $logopsect, $loopsect, $opsect, $pmopsect, |
a798dbf2 |
214 | $pvopsect, $svopsect, $unopsect, $svsect, $xpvsect, $xpvavsect, |
215 | $xpvhvsect, $xpvcvsect, $xpvivsect, $xpvnvsect, $xpvmgsect, $xpvlvsect, |
af765ed9 |
216 | $xrvsect, $xpvbmsect, $xpviosect ); |
b326da91 |
217 | my @op_sections = \( $binopsect, $condopsect, $copsect, $padopsect, $listopsect, |
218 | $logopsect, $loopsect, $opsect, $pmopsect, $pvopsect, $svopsect, |
219 | $unopsect ); |
a798dbf2 |
220 | |
221 | sub walk_and_save_optree; |
222 | my $saveoptree_callback = \&walk_and_save_optree; |
223 | sub set_callback { $saveoptree_callback = shift } |
224 | sub saveoptree { &$saveoptree_callback(@_) } |
225 | |
226 | sub walk_and_save_optree { |
227 | my ($name, $root, $start) = @_; |
228 | walkoptree($root, "save"); |
229 | return objsym($start); |
230 | } |
231 | |
0cc1d052 |
232 | # Look this up here so we can do just a number compare |
233 | # rather than looking up the name of every BASEOP in B::OP |
234 | my $OP_THREADSV = opnumber('threadsv'); |
a798dbf2 |
235 | |
236 | sub savesym { |
237 | my ($obj, $value) = @_; |
238 | my $sym = sprintf("s\\_%x", $$obj); |
239 | $symtable{$sym} = $value; |
240 | } |
241 | |
242 | sub objsym { |
243 | my $obj = shift; |
244 | return $symtable{sprintf("s\\_%x", $$obj)}; |
245 | } |
246 | |
247 | sub getsym { |
248 | my $sym = shift; |
249 | my $value; |
250 | |
251 | return 0 if $sym eq "sym_0"; # special case |
252 | $value = $symtable{$sym}; |
253 | if (defined($value)) { |
254 | return $value; |
255 | } else { |
256 | warn "warning: undefined symbol $sym\n" if $warn_undefined_syms; |
257 | return "UNUSED"; |
258 | } |
259 | } |
260 | |
b326da91 |
261 | sub savere { |
262 | my $re = shift; |
263 | my $sym = sprintf("re%d", $re_index++); |
264 | $decl->add(sprintf("static char *$sym = %s;", cstring($re))); |
265 | |
266 | return ($sym,length(pack "a*",$re)); |
267 | } |
268 | |
a798dbf2 |
269 | sub savepv { |
9d2bbe64 |
270 | my $pv = pack "a*", shift; |
a798dbf2 |
271 | my $pvsym = 0; |
272 | my $pvmax = 0; |
9d2bbe64 |
273 | if ($pv_copy_on_grow) { |
274 | $pvsym = sprintf("pv%d", $pv_index++); |
275 | |
276 | if( defined $max_string_len && length($pv) > $max_string_len ) { |
277 | my $chars = join ', ', map { cchar $_ } split //, $pv; |
278 | $decl->add(sprintf("static char %s[] = { %s };", $pvsym, $chars)); |
279 | } |
280 | else { |
281 | my $cstring = cstring($pv); |
282 | if ($cstring ne "0") { # sic |
283 | $decl->add(sprintf("static char %s[] = %s;", |
284 | $pvsym, $cstring)); |
285 | } |
286 | } |
a798dbf2 |
287 | } else { |
b326da91 |
288 | $pvmax = length(pack "a*",$pv) + 1; |
a798dbf2 |
289 | } |
290 | return ($pvsym, $pvmax); |
291 | } |
292 | |
b326da91 |
293 | sub save_rv { |
294 | my $sv = shift; |
295 | # confess "Can't save RV: not ROK" unless $sv->FLAGS & SVf_ROK; |
296 | my $rv = $sv->RV->save; |
297 | |
298 | $rv =~ s/^\(([AGHS]V|IO)\s*\*\)\s*(\&sv_list.*)$/$2/; |
299 | |
300 | return $rv; |
301 | } |
302 | |
303 | # savesym, pvmax, len, pv |
304 | sub save_pv_or_rv { |
305 | my $sv = shift; |
306 | |
307 | my $rok = $sv->FLAGS & SVf_ROK; |
308 | my $pok = $sv->FLAGS & SVf_POK; |
9d2bbe64 |
309 | my( $len, $pvmax, $savesym, $pv ) = ( 0, 0 ); |
b326da91 |
310 | if( $rok ) { |
311 | $savesym = '(char*)' . save_rv( $sv ); |
312 | } |
313 | else { |
314 | $pv = $pok ? (pack "a*", $sv->PV) : undef; |
315 | $len = $pok ? length($pv) : 0; |
316 | ($savesym, $pvmax) = $pok ? savepv($pv) : ( 'NULL', 0 ); |
317 | } |
318 | |
319 | return ( $savesym, $pvmax, $len, $pv ); |
320 | } |
321 | |
322 | # see also init_op_ppaddr below; initializes the ppaddt to the |
323 | # OpTYPE; init_op_ppaddr iterates over the ops and sets |
324 | # op_ppaddr to PL_ppaddr[op_ppaddr]; this avoids an explicit assignmente |
325 | # in perl_init ( ~10 bytes/op with GCC/i386 ) |
326 | sub B::OP::fake_ppaddr { |
327 | return $optimize_ppaddr ? |
328 | sprintf("INT2PTR(void*,OP_%s)", uc( $_[0]->name ) ) : |
329 | 'NULL'; |
330 | } |
331 | |
7252851f |
332 | # This pair is needed becase B::FAKEOP::save doesn't scalar dereference |
333 | # $op->next and $op->sibling |
334 | |
335 | { |
336 | # For 5.9 the hard coded text is the values for op_opt and op_static in each |
337 | # op. The value of op_opt is irrelevant, and the value of op_static needs to |
338 | # be 1 to tell op_free that this is a statically defined op and that is |
339 | # shouldn't be freed. |
340 | |
341 | # For 5.8: |
342 | # Current workaround/fix for op_free() trying to free statically |
343 | # defined OPs is to set op_seq = -1 and check for that in op_free(). |
344 | # Instead of hardwiring -1 in place of $op->seq, we use $op_seq |
345 | # so that it can be changed back easily if necessary. In fact, to |
346 | # stop compilers from moaning about a U16 being initialised with an |
347 | # uncast -1 (the printf format is %d so we can't tweak it), we have |
348 | # to "know" that op_seq is a U16 and use 65535. Ugh. |
349 | |
350 | my $static = $] > 5.009 ? '0, 1, 0' : sprintf "%u", 65535; |
351 | sub B::OP::_save_common_middle { |
352 | my $op = shift; |
353 | sprintf ("%s, %u, %u, $static, 0x%x, 0x%x", |
354 | $op->fake_ppaddr, $op->targ, $op->type, $op->flags, $op->private); |
355 | } |
356 | } |
357 | |
358 | sub B::OP::_save_common { |
359 | my $op = shift; |
360 | return sprintf("s\\_%x, s\\_%x, %s", |
361 | ${$op->next}, ${$op->sibling}, $op->_save_common_middle); |
362 | } |
363 | |
a798dbf2 |
364 | sub B::OP::save { |
365 | my ($op, $level) = @_; |
2c0b28dd |
366 | my $sym = objsym($op); |
367 | return $sym if defined $sym; |
a798dbf2 |
368 | my $type = $op->type; |
369 | $nullop_count++ unless $type; |
0cc1d052 |
370 | if ($type == $OP_THREADSV) { |
a798dbf2 |
371 | # saves looking up ppaddr but it's a bit naughty to hard code this |
372 | $init->add(sprintf("(void)find_threadsv(%s);", |
373 | cstring($threadsv_names[$op->targ]))); |
374 | } |
7252851f |
375 | $opsect->add($op->_save_common); |
dc333d64 |
376 | my $ix = $opsect->index; |
b326da91 |
377 | $init->add(sprintf("op_list[$ix].op_ppaddr = %s;", $op->ppaddr)) |
378 | unless $optimize_ppaddr; |
dc333d64 |
379 | savesym($op, "&op_list[$ix]"); |
a798dbf2 |
380 | } |
381 | |
382 | sub B::FAKEOP::new { |
383 | my ($class, %objdata) = @_; |
384 | bless \%objdata, $class; |
385 | } |
386 | |
387 | sub B::FAKEOP::save { |
388 | my ($op, $level) = @_; |
7252851f |
389 | $opsect->add(sprintf("%s, %s, %s", |
390 | $op->next, $op->sibling, $op->_save_common_middle)); |
dc333d64 |
391 | my $ix = $opsect->index; |
b326da91 |
392 | $init->add(sprintf("op_list[$ix].op_ppaddr = %s;", $op->ppaddr)) |
393 | unless $optimize_ppaddr; |
dc333d64 |
394 | return "&op_list[$ix]"; |
a798dbf2 |
395 | } |
396 | |
397 | sub B::FAKEOP::next { $_[0]->{"next"} || 0 } |
398 | sub B::FAKEOP::type { $_[0]->{type} || 0} |
399 | sub B::FAKEOP::sibling { $_[0]->{sibling} || 0 } |
400 | sub B::FAKEOP::ppaddr { $_[0]->{ppaddr} || 0 } |
401 | sub B::FAKEOP::targ { $_[0]->{targ} || 0 } |
402 | sub B::FAKEOP::flags { $_[0]->{flags} || 0 } |
403 | sub B::FAKEOP::private { $_[0]->{private} || 0 } |
404 | |
405 | sub B::UNOP::save { |
406 | my ($op, $level) = @_; |
2c0b28dd |
407 | my $sym = objsym($op); |
408 | return $sym if defined $sym; |
7252851f |
409 | $unopsect->add(sprintf("%s, s\\_%x", $op->_save_common, ${$op->first})); |
dc333d64 |
410 | my $ix = $unopsect->index; |
b326da91 |
411 | $init->add(sprintf("unop_list[$ix].op_ppaddr = %s;", $op->ppaddr)) |
412 | unless $optimize_ppaddr; |
dc333d64 |
413 | savesym($op, "(OP*)&unop_list[$ix]"); |
a798dbf2 |
414 | } |
415 | |
416 | sub B::BINOP::save { |
417 | my ($op, $level) = @_; |
2c0b28dd |
418 | my $sym = objsym($op); |
419 | return $sym if defined $sym; |
7252851f |
420 | $binopsect->add(sprintf("%s, s\\_%x, s\\_%x", |
421 | $op->_save_common, ${$op->first}, ${$op->last})); |
dc333d64 |
422 | my $ix = $binopsect->index; |
b326da91 |
423 | $init->add(sprintf("binop_list[$ix].op_ppaddr = %s;", $op->ppaddr)) |
424 | unless $optimize_ppaddr; |
dc333d64 |
425 | savesym($op, "(OP*)&binop_list[$ix]"); |
a798dbf2 |
426 | } |
427 | |
428 | sub B::LISTOP::save { |
429 | my ($op, $level) = @_; |
2c0b28dd |
430 | my $sym = objsym($op); |
431 | return $sym if defined $sym; |
7252851f |
432 | $listopsect->add(sprintf("%s, s\\_%x, s\\_%x", |
433 | $op->_save_common, ${$op->first}, ${$op->last})); |
dc333d64 |
434 | my $ix = $listopsect->index; |
b326da91 |
435 | $init->add(sprintf("listop_list[$ix].op_ppaddr = %s;", $op->ppaddr)) |
436 | unless $optimize_ppaddr; |
dc333d64 |
437 | savesym($op, "(OP*)&listop_list[$ix]"); |
a798dbf2 |
438 | } |
439 | |
440 | sub B::LOGOP::save { |
441 | my ($op, $level) = @_; |
2c0b28dd |
442 | my $sym = objsym($op); |
443 | return $sym if defined $sym; |
7252851f |
444 | $logopsect->add(sprintf("%s, s\\_%x, s\\_%x", |
445 | $op->_save_common, ${$op->first}, ${$op->other})); |
dc333d64 |
446 | my $ix = $logopsect->index; |
b326da91 |
447 | $init->add(sprintf("logop_list[$ix].op_ppaddr = %s;", $op->ppaddr)) |
448 | unless $optimize_ppaddr; |
dc333d64 |
449 | savesym($op, "(OP*)&logop_list[$ix]"); |
a798dbf2 |
450 | } |
451 | |
a798dbf2 |
452 | sub B::LOOP::save { |
453 | my ($op, $level) = @_; |
2c0b28dd |
454 | my $sym = objsym($op); |
455 | return $sym if defined $sym; |
a798dbf2 |
456 | #warn sprintf("LOOP: redoop %s, nextop %s, lastop %s\n", |
457 | # peekop($op->redoop), peekop($op->nextop), |
458 | # peekop($op->lastop)); # debug |
7252851f |
459 | $loopsect->add(sprintf("%s, s\\_%x, s\\_%x, s\\_%x, s\\_%x, s\\_%x", |
460 | $op->_save_common, ${$op->first}, ${$op->last}, |
117dada2 |
461 | ${$op->redoop}, ${$op->nextop}, |
a798dbf2 |
462 | ${$op->lastop})); |
dc333d64 |
463 | my $ix = $loopsect->index; |
b326da91 |
464 | $init->add(sprintf("loop_list[$ix].op_ppaddr = %s;", $op->ppaddr)) |
465 | unless $optimize_ppaddr; |
dc333d64 |
466 | savesym($op, "(OP*)&loop_list[$ix]"); |
a798dbf2 |
467 | } |
468 | |
469 | sub B::PVOP::save { |
470 | my ($op, $level) = @_; |
2c0b28dd |
471 | my $sym = objsym($op); |
472 | return $sym if defined $sym; |
7252851f |
473 | $pvopsect->add(sprintf("%s, %s", $op->_save_common, cstring($op->pv))); |
dc333d64 |
474 | my $ix = $pvopsect->index; |
b326da91 |
475 | $init->add(sprintf("pvop_list[$ix].op_ppaddr = %s;", $op->ppaddr)) |
476 | unless $optimize_ppaddr; |
dc333d64 |
477 | savesym($op, "(OP*)&pvop_list[$ix]"); |
a798dbf2 |
478 | } |
479 | |
480 | sub B::SVOP::save { |
481 | my ($op, $level) = @_; |
2c0b28dd |
482 | my $sym = objsym($op); |
483 | return $sym if defined $sym; |
9d2bbe64 |
484 | my $sv = $op->sv; |
485 | my $svsym = '(SV*)' . $sv->save; |
486 | my $is_const_addr = $svsym =~ m/Null|\&/; |
7252851f |
487 | $svopsect->add(sprintf("%s, %s", $op->_save_common, |
488 | ( $is_const_addr ? $svsym : 'Nullsv' ))); |
dc333d64 |
489 | my $ix = $svopsect->index; |
b326da91 |
490 | $init->add(sprintf("svop_list[$ix].op_ppaddr = %s;", $op->ppaddr)) |
491 | unless $optimize_ppaddr; |
9d2bbe64 |
492 | $init->add("svop_list[$ix].op_sv = $svsym;") |
493 | unless $is_const_addr; |
dc333d64 |
494 | savesym($op, "(OP*)&svop_list[$ix]"); |
a798dbf2 |
495 | } |
496 | |
7934575e |
497 | sub B::PADOP::save { |
a798dbf2 |
498 | my ($op, $level) = @_; |
2c0b28dd |
499 | my $sym = objsym($op); |
500 | return $sym if defined $sym; |
7252851f |
501 | $padopsect->add(sprintf("%s, %d", |
502 | $op->_save_common, $op->padix)); |
dc333d64 |
503 | my $ix = $padopsect->index; |
b326da91 |
504 | $init->add(sprintf("padop_list[$ix].op_ppaddr = %s;", $op->ppaddr)) |
505 | unless $optimize_ppaddr; |
9d2bbe64 |
506 | # $init->add(sprintf("padop_list[$ix].op_padix = %ld;", $op->padix)); |
dc333d64 |
507 | savesym($op, "(OP*)&padop_list[$ix]"); |
a798dbf2 |
508 | } |
509 | |
510 | sub B::COP::save { |
511 | my ($op, $level) = @_; |
2c0b28dd |
512 | my $sym = objsym($op); |
513 | return $sym if defined $sym; |
57843af0 |
514 | warn sprintf("COP: line %d file %s\n", $op->line, $op->file) |
a798dbf2 |
515 | if $debug_cops; |
b326da91 |
516 | # shameless cut'n'paste from B::Deparse |
517 | my $warn_sv; |
518 | my $warnings = $op->warnings; |
519 | my $is_special = $warnings->isa("B::SPECIAL"); |
520 | if ($is_special && $$warnings == 4) { |
521 | # use warnings 'all'; |
522 | $warn_sv = $optimize_warn_sv ? |
523 | 'INT2PTR(SV*,1)' : |
524 | 'pWARN_ALL'; |
525 | } |
526 | elsif ($is_special && $$warnings == 5) { |
527 | # no warnings 'all'; |
528 | $warn_sv = $optimize_warn_sv ? |
9d2bbe64 |
529 | 'INT2PTR(SV*,2)' : |
b326da91 |
530 | 'pWARN_NONE'; |
531 | } |
532 | elsif ($is_special) { |
533 | # use warnings; |
534 | $warn_sv = $optimize_warn_sv ? |
9d2bbe64 |
535 | 'INT2PTR(SV*,3)' : |
b326da91 |
536 | 'pWARN_STD'; |
537 | } |
538 | else { |
539 | # something else |
540 | $warn_sv = $warnings->save; |
541 | } |
542 | |
7252851f |
543 | $copsect->add(sprintf("%s, %s, NULL, NULL, %u, %d, %u, %s", |
544 | $op->_save_common, cstring($op->label), $op->cop_seq, |
b326da91 |
545 | $op->arybase, $op->line, |
546 | ( $optimize_warn_sv ? $warn_sv : 'NULL' ))); |
dc333d64 |
547 | my $ix = $copsect->index; |
b326da91 |
548 | $init->add(sprintf("cop_list[$ix].op_ppaddr = %s;", $op->ppaddr)) |
549 | unless $optimize_ppaddr; |
550 | $init->add(sprintf("cop_list[$ix].cop_warnings = %s;", $warn_sv )) |
551 | unless $optimize_warn_sv; |
dc333d64 |
552 | $init->add(sprintf("CopFILE_set(&cop_list[$ix], %s);", cstring($op->file)), |
553 | sprintf("CopSTASHPV_set(&cop_list[$ix], %s);", cstring($op->stashpv))); |
b326da91 |
554 | |
dc333d64 |
555 | savesym($op, "(OP*)&cop_list[$ix]"); |
a798dbf2 |
556 | } |
557 | |
558 | sub B::PMOP::save { |
559 | my ($op, $level) = @_; |
2c0b28dd |
560 | my $sym = objsym($op); |
561 | return $sym if defined $sym; |
a798dbf2 |
562 | my $replroot = $op->pmreplroot; |
563 | my $replstart = $op->pmreplstart; |
9d2bbe64 |
564 | my $replrootfield; |
a798dbf2 |
565 | my $replstartfield = sprintf("s\\_%x", $$replstart); |
566 | my $gvsym; |
567 | my $ppaddr = $op->ppaddr; |
9d2bbe64 |
568 | # under ithreads, OP_PUSHRE.op_replroot is an integer |
569 | $replrootfield = sprintf("s\\_%x", $$replroot) if ref $replroot; |
570 | if($ithreads && $op->name eq "pushre") { |
571 | $replrootfield = "INT2PTR(OP*,${replroot})"; |
572 | } elsif ($$replroot) { |
a798dbf2 |
573 | # OP_PUSHRE (a mutated version of OP_MATCH for the regexp |
574 | # argument to a split) stores a GV in op_pmreplroot instead |
575 | # of a substitution syntax tree. We don't want to walk that... |
3f872cb9 |
576 | if ($op->name eq "pushre") { |
a798dbf2 |
577 | $gvsym = $replroot->save; |
578 | # warn "PMOP::save saving a pp_pushre with GV $gvsym\n"; # debug |
579 | $replrootfield = 0; |
580 | } else { |
581 | $replstartfield = saveoptree("*ignore*", $replroot, $replstart); |
582 | } |
583 | } |
584 | # pmnext handling is broken in perl itself, I think. Bad op_pmnext |
585 | # fields aren't noticed in perl's runtime (unless you try reset) but we |
586 | # segfault when trying to dereference it to find op->op_pmnext->op_type |
7252851f |
587 | $pmopsect->add(sprintf("%s, s\\_%x, s\\_%x, %s, %s, 0, %u, 0x%x, 0x%x, 0x%x", |
588 | $op->_save_common, ${$op->first}, ${$op->last}, |
a798dbf2 |
589 | $replrootfield, $replstartfield, |
9d2bbe64 |
590 | ( $ithreads ? $op->pmoffset : 0 ), |
591 | $op->pmflags, $op->pmpermflags, $op->pmdynflags )); |
a798dbf2 |
592 | my $pm = sprintf("pmop_list[%d]", $pmopsect->index); |
b326da91 |
593 | $init->add(sprintf("$pm.op_ppaddr = %s;", $ppaddr)) |
594 | unless $optimize_ppaddr; |
a798dbf2 |
595 | my $re = $op->precomp; |
596 | if (defined($re)) { |
b326da91 |
597 | my( $resym, $relen ) = savere( $re ); |
f5eac215 |
598 | $init->add(sprintf("PM_SETRE(&$pm,pregcomp($resym, $resym + %u, &$pm));", |
b326da91 |
599 | $relen)); |
a798dbf2 |
600 | } |
601 | if ($gvsym) { |
602 | $init->add("$pm.op_pmreplroot = (OP*)$gvsym;"); |
603 | } |
dc333d64 |
604 | savesym($op, "(OP*)&$pm"); |
a798dbf2 |
605 | } |
606 | |
607 | sub B::SPECIAL::save { |
608 | my ($sv) = @_; |
609 | # special case: $$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) { |
a02a5408 |
662 | push @res, sprintf("Newx(%s,%u,char);", $dest, length($pv)+1); |
dc333d64 |
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 |
a3985cdc |
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, 0x%x", |
a798dbf2 |
1016 | $xpvcv_ix, cstring($pv), length($pv), $cv->IVX, |
1017 | $cv->NVX, $startfield, ${$cv->ROOT}, $cv->DEPTH, |
a3985cdc |
1018 | $$padlist, ${$cv->OUTSIDE}, $cv->CvFLAGS, |
1019 | $cv->OUTSIDE_SEQ)); |
5cfd8ad4 |
1020 | |
1021 | if (${$cv->OUTSIDE} == ${main_cv()}){ |
1022 | $init->add(sprintf("CvOUTSIDE(s\\_%x)=PL_main_cv;",$$cv)); |
358b5eb8 |
1023 | $init->add(sprintf("SvREFCNT_inc(PL_main_cv);")); |
5cfd8ad4 |
1024 | } |
1025 | |
a798dbf2 |
1026 | if ($$gv) { |
1027 | $gv->save; |
1028 | $init->add(sprintf("CvGV(s\\_%x) = s\\_%x;",$$cv,$$gv)); |
1029 | warn sprintf("done saving GV 0x%x for CV 0x%x\n", |
1030 | $$gv, $$cv) if $debug_cv; |
1031 | } |
9d2bbe64 |
1032 | if( $ithreads ) { |
1033 | $init->add( savepvn( "CvFILE($sym)", $cv->FILE) ); |
1034 | } |
1035 | else { |
1036 | $init->add(sprintf("CvFILE($sym) = %s;", cstring($cv->FILE))); |
1037 | } |
a798dbf2 |
1038 | my $stash = $cv->STASH; |
1039 | if ($$stash) { |
1040 | $stash->save; |
1041 | $init->add(sprintf("CvSTASH(s\\_%x) = s\\_%x;", $$cv, $$stash)); |
1042 | warn sprintf("done saving STASH 0x%x for CV 0x%x\n", |
1043 | $$stash, $$cv) if $debug_cv; |
1044 | } |
1045 | $symsect->add(sprintf("svix%d\t(XPVCV*)&xpvcv_list[%u], %lu, 0x%x", |
9d2bbe64 |
1046 | $sv_ix, $xpvcv_ix, $cv->REFCNT +1*0 , $cv->FLAGS)); |
a798dbf2 |
1047 | return $sym; |
1048 | } |
1049 | |
1050 | sub B::GV::save { |
be6f3502 |
1051 | my ($gv) = @_; |
a798dbf2 |
1052 | my $sym = objsym($gv); |
1053 | if (defined($sym)) { |
1054 | #warn sprintf("GV 0x%x already saved as $sym\n", $$gv); # debug |
1055 | return $sym; |
1056 | } else { |
1057 | my $ix = $gv_index++; |
1058 | $sym = savesym($gv, "gv_list[$ix]"); |
1059 | #warn sprintf("Saving GV 0x%x as $sym\n", $$gv); # debug |
1060 | } |
87d7fd28 |
1061 | my $is_empty = $gv->is_empty; |
a798dbf2 |
1062 | my $gvname = $gv->NAME; |
b326da91 |
1063 | my $fullname = $gv->STASH->NAME . "::" . $gvname; |
1064 | my $name = cstring($fullname); |
a798dbf2 |
1065 | #warn "GV name is $name\n"; # debug |
a798dbf2 |
1066 | my $egvsym; |
87d7fd28 |
1067 | unless ($is_empty) { |
1068 | my $egv = $gv->EGV; |
1069 | if ($$gv != $$egv) { |
1070 | #warn(sprintf("EGV name is %s, saving it now\n", |
1071 | # $egv->STASH->NAME . "::" . $egv->NAME)); # debug |
1072 | $egvsym = $egv->save; |
1073 | } |
a798dbf2 |
1074 | } |
1075 | $init->add(qq[$sym = gv_fetchpv($name, TRUE, SVt_PV);], |
9d2bbe64 |
1076 | sprintf("SvFLAGS($sym) = 0x%x;", $gv->FLAGS ), |
87d7fd28 |
1077 | sprintf("GvFLAGS($sym) = 0x%x;", $gv->GvFLAGS)); |
1078 | $init->add(sprintf("GvLINE($sym) = %u;", $gv->LINE)) unless $is_empty; |
9d2bbe64 |
1079 | # XXX hack for when Perl accesses PVX of GVs |
1080 | $init->add("SvPVX($sym) = emptystring;\n"); |
a798dbf2 |
1081 | # Shouldn't need to do save_magic since gv_fetchpv handles that |
1082 | #$gv->save_magic; |
9d2bbe64 |
1083 | # XXX will always be > 1!!! |
a798dbf2 |
1084 | my $refcnt = $gv->REFCNT + 1; |
9d2bbe64 |
1085 | $init->add(sprintf("SvREFCNT($sym) += %u;", $refcnt - 1 )) if $refcnt > 1; |
87d7fd28 |
1086 | |
1087 | return $sym if $is_empty; |
1088 | |
9d2bbe64 |
1089 | # XXX B::walksymtable creates an extra reference to the GV |
a798dbf2 |
1090 | my $gvrefcnt = $gv->GvREFCNT; |
1091 | if ($gvrefcnt > 1) { |
1092 | $init->add(sprintf("GvREFCNT($sym) += %u;", $gvrefcnt - 1)); |
1093 | } |
b326da91 |
1094 | # some non-alphavetic globs require some parts to be saved |
1095 | # ( ex. %!, but not $! ) |
1096 | sub Save_HV() { 1 } |
1097 | sub Save_AV() { 2 } |
1098 | sub Save_SV() { 4 } |
1099 | sub Save_CV() { 8 } |
1100 | sub Save_FORM() { 16 } |
1101 | sub Save_IO() { 32 } |
1102 | my $savefields = 0; |
1103 | if( $gvname !~ /^([^A-Za-z]|STDIN|STDOUT|STDERR|ARGV|SIG|ENV)$/ ) { |
1104 | $savefields = Save_HV|Save_AV|Save_SV|Save_CV|Save_FORM|Save_IO; |
1105 | } |
1106 | elsif( $gvname eq '!' ) { |
1107 | $savefields = Save_HV; |
1108 | } |
1109 | # attributes::bootstrap is created in perl_parse |
1110 | # saving it would overwrite it, because perl_init() is |
1111 | # called after perl_parse() |
1112 | $savefields&=~Save_CV if $fullname eq 'attributes::bootstrap'; |
1113 | |
1114 | # save it |
9d2bbe64 |
1115 | # XXX is that correct? |
1116 | if (defined($egvsym) && $egvsym !~ m/Null/ ) { |
a798dbf2 |
1117 | # Shared glob *foo = *bar |
1118 | $init->add("gp_free($sym);", |
1119 | "GvGP($sym) = GvGP($egvsym);"); |
b326da91 |
1120 | } elsif ($savefields) { |
a798dbf2 |
1121 | # Don't save subfields of special GVs (*_, *1, *# and so on) |
1122 | # warn "GV::save saving subfields\n"; # debug |
1123 | my $gvsv = $gv->SV; |
b326da91 |
1124 | if ($$gvsv && $savefields&Save_SV) { |
cfa4c8ee |
1125 | $gvsv->save; |
a798dbf2 |
1126 | $init->add(sprintf("GvSV($sym) = s\\_%x;", $$gvsv)); |
1127 | # warn "GV::save \$$name\n"; # debug |
a798dbf2 |
1128 | } |
1129 | my $gvav = $gv->AV; |
b326da91 |
1130 | if ($$gvav && $savefields&Save_AV) { |
cfa4c8ee |
1131 | $gvav->save; |
a798dbf2 |
1132 | $init->add(sprintf("GvAV($sym) = s\\_%x;", $$gvav)); |
1133 | # warn "GV::save \@$name\n"; # debug |
a798dbf2 |
1134 | } |
1135 | my $gvhv = $gv->HV; |
b326da91 |
1136 | if ($$gvhv && $savefields&Save_HV) { |
cfa4c8ee |
1137 | $gvhv->save; |
a798dbf2 |
1138 | $init->add(sprintf("GvHV($sym) = s\\_%x;", $$gvhv)); |
1139 | # warn "GV::save \%$name\n"; # debug |
a798dbf2 |
1140 | } |
1141 | my $gvcv = $gv->CV; |
b326da91 |
1142 | if ($$gvcv && $savefields&Save_CV) { |
be6f3502 |
1143 | my $origname=cstring($gvcv->GV->EGV->STASH->NAME . |
1144 | "::" . $gvcv->GV->EGV->NAME); |
1145 | if (0 && $gvcv->XSUB && $name ne $origname) { #XSUB alias |
1146 | # must save as a 'stub' so newXS() has a CV to populate |
af765ed9 |
1147 | $init->add("{ CV *cv;"); |
be6f3502 |
1148 | $init->add("\tcv=perl_get_cv($origname,TRUE);"); |
af765ed9 |
1149 | $init->add("\tGvCV($sym)=cv;"); |
1150 | $init->add("\tSvREFCNT_inc((SV *)cv);"); |
be6f3502 |
1151 | $init->add("}"); |
b326da91 |
1152 | } else { |
be6f3502 |
1153 | $init->add(sprintf("GvCV($sym) = (CV*)(%s);", $gvcv->save)); |
1154 | # warn "GV::save &$name\n"; # debug |
1155 | } |
af765ed9 |
1156 | } |
b195d487 |
1157 | $init->add(sprintf("GvFILE($sym) = %s;", cstring($gv->FILE))); |
1158 | # warn "GV::save GvFILE(*$name)\n"; # debug |
a798dbf2 |
1159 | my $gvform = $gv->FORM; |
b326da91 |
1160 | if ($$gvform && $savefields&Save_FORM) { |
cfa4c8ee |
1161 | $gvform->save; |
a798dbf2 |
1162 | $init->add(sprintf("GvFORM($sym) = (CV*)s\\_%x;", $$gvform)); |
1163 | # warn "GV::save GvFORM(*$name)\n"; # debug |
a798dbf2 |
1164 | } |
1165 | my $gvio = $gv->IO; |
b326da91 |
1166 | if ($$gvio && $savefields&Save_IO) { |
cfa4c8ee |
1167 | $gvio->save; |
a798dbf2 |
1168 | $init->add(sprintf("GvIOp($sym) = s\\_%x;", $$gvio)); |
b326da91 |
1169 | if( $fullname =~ m/::DATA$/ && $save_data_fh ) { |
1170 | no strict 'refs'; |
1171 | my $fh = *{$fullname}{IO}; |
1172 | use strict 'refs'; |
1173 | $gvio->save_data( $fullname, <$fh> ) if $fh->opened; |
1174 | } |
a798dbf2 |
1175 | # warn "GV::save GvIO(*$name)\n"; # debug |
a798dbf2 |
1176 | } |
1177 | } |
1178 | return $sym; |
1179 | } |
9d2bbe64 |
1180 | |
a798dbf2 |
1181 | sub B::AV::save { |
1182 | my ($av) = @_; |
1183 | my $sym = objsym($av); |
1184 | return $sym if defined $sym; |
bb7c595b |
1185 | my $line = "0, -1, -1, 0, 0.0, 0, Nullhv, 0, 0"; |
1186 | $line .= sprintf(", 0x%x", $av->AvFLAGS) if $] < 5.009; |
1187 | $xpvavsect->add($line); |
a798dbf2 |
1188 | $svsect->add(sprintf("&xpvav_list[%d], %lu, 0x%x", |
932e9ff9 |
1189 | $xpvavsect->index, $av->REFCNT , $av->FLAGS)); |
a798dbf2 |
1190 | my $sv_list_index = $svsect->index; |
1191 | my $fill = $av->FILL; |
1192 | $av->save_magic; |
bb7c595b |
1193 | if ($debug_av) { |
1194 | $line = sprintf("saving AV 0x%x FILL=$fill", $$av); |
1195 | $line .= sprintf(" AvFLAGS=0x%x", $av->AvFLAGS) if $] < 5.009; |
1196 | warn $line; |
1197 | } |
a798dbf2 |
1198 | # XXX AVf_REAL is wrong test: need to save comppadlist but not stack |
1199 | #if ($fill > -1 && ($avflags & AVf_REAL)) { |
1200 | if ($fill > -1) { |
1201 | my @array = $av->ARRAY; |
1202 | if ($debug_av) { |
1203 | my $el; |
1204 | my $i = 0; |
1205 | foreach $el (@array) { |
1206 | warn sprintf("AV 0x%x[%d] = %s 0x%x\n", |
1207 | $$av, $i++, class($el), $$el); |
1208 | } |
1209 | } |
9d2bbe64 |
1210 | # my @names = map($_->save, @array); |
a798dbf2 |
1211 | # XXX Better ways to write loop? |
1212 | # Perhaps svp[0] = ...; svp[1] = ...; svp[2] = ...; |
1213 | # Perhaps I32 i = 0; svp[i++] = ...; svp[i++] = ...; svp[i++] = ...; |
9d2bbe64 |
1214 | |
1215 | # micro optimization: op/pat.t ( and other code probably ) |
1216 | # has very large pads ( 20k/30k elements ) passing them to |
1217 | # ->add is a performance bottleneck: passing them as a |
1218 | # single string cuts runtime from 6min20sec to 40sec |
1219 | |
1220 | # you want to keep this out of the no_split/split |
1221 | # map("\t*svp++ = (SV*)$_;", @names), |
1222 | my $acc = ''; |
1223 | foreach my $i ( 0..$#array ) { |
1224 | $acc .= "\t*svp++ = (SV*)" . $array[$i]->save . ";\n\t"; |
1225 | } |
1226 | $acc .= "\n"; |
1227 | |
1228 | $init->no_split; |
a798dbf2 |
1229 | $init->add("{", |
1230 | "\tSV **svp;", |
1231 | "\tAV *av = (AV*)&sv_list[$sv_list_index];", |
1232 | "\tav_extend(av, $fill);", |
9d2bbe64 |
1233 | "\tsvp = AvARRAY(av);" ); |
1234 | $init->add($acc); |
1235 | $init->add("\tAvFILLp(av) = $fill;", |
a798dbf2 |
1236 | "}"); |
9d2bbe64 |
1237 | $init->split; |
1238 | # we really added a lot of lines ( B::C::InitSection->add |
1239 | # should really scan for \n, but that would slow |
1240 | # it down |
1241 | $init->inc_count( $#array ); |
a798dbf2 |
1242 | } else { |
1243 | my $max = $av->MAX; |
1244 | $init->add("av_extend((AV*)&sv_list[$sv_list_index], $max);") |
1245 | if $max > -1; |
1246 | } |
1247 | return savesym($av, "(AV*)&sv_list[$sv_list_index]"); |
1248 | } |
1249 | |
1250 | sub B::HV::save { |
1251 | my ($hv) = @_; |
1252 | my $sym = objsym($hv); |
1253 | return $sym if defined $sym; |
1254 | my $name = $hv->NAME; |
1255 | if ($name) { |
1256 | # It's a stash |
1257 | |
1258 | # A perl bug means HvPMROOT isn't altered when a PMOP is freed. Usually |
1259 | # the only symptom is that sv_reset tries to reset the PMf_USED flag of |
1260 | # a trashed op but we look at the trashed op_type and segfault. |
1261 | #my $adpmroot = ${$hv->PMROOT}; |
1262 | my $adpmroot = 0; |
1263 | $decl->add("static HV *hv$hv_index;"); |
1264 | # XXX Beware of weird package names containing double-quotes, \n, ...? |
1265 | $init->add(qq[hv$hv_index = gv_stashpv("$name", TRUE);]); |
1266 | if ($adpmroot) { |
1267 | $init->add(sprintf("HvPMROOT(hv$hv_index) = (PMOP*)s\\_%x;", |
1268 | $adpmroot)); |
1269 | } |
1270 | $sym = savesym($hv, "hv$hv_index"); |
1271 | $hv_index++; |
1272 | return $sym; |
1273 | } |
1274 | # It's just an ordinary HV |
1275 | $xpvhvsect->add(sprintf("0, 0, %d, 0, 0.0, 0, Nullhv, %d, 0, 0, 0", |
1276 | $hv->MAX, $hv->RITER)); |
1277 | $svsect->add(sprintf("&xpvhv_list[%d], %lu, 0x%x", |
932e9ff9 |
1278 | $xpvhvsect->index, $hv->REFCNT , $hv->FLAGS)); |
a798dbf2 |
1279 | my $sv_list_index = $svsect->index; |
1280 | my @contents = $hv->ARRAY; |
1281 | if (@contents) { |
1282 | my $i; |
1283 | for ($i = 1; $i < @contents; $i += 2) { |
1284 | $contents[$i] = $contents[$i]->save; |
1285 | } |
9d2bbe64 |
1286 | $init->no_split; |
a798dbf2 |
1287 | $init->add("{", "\tHV *hv = (HV*)&sv_list[$sv_list_index];"); |
1288 | while (@contents) { |
1289 | my ($key, $value) = splice(@contents, 0, 2); |
1290 | $init->add(sprintf("\thv_store(hv, %s, %u, %s, %s);", |
b326da91 |
1291 | cstring($key),length(pack "a*",$key), |
1292 | $value, hash($key))); |
cf86991c |
1293 | # $init->add(sprintf("\thv_store(hv, %s, %u, %s, %s);", |
1294 | # cstring($key),length($key),$value, 0)); |
a798dbf2 |
1295 | } |
1296 | $init->add("}"); |
9d2bbe64 |
1297 | $init->split; |
a798dbf2 |
1298 | } |
56eca212 |
1299 | $hv->save_magic(); |
a798dbf2 |
1300 | return savesym($hv, "(HV*)&sv_list[$sv_list_index]"); |
1301 | } |
1302 | |
b326da91 |
1303 | sub B::IO::save_data { |
1304 | my( $io, $globname, @data ) = @_; |
1305 | my $data = join '', @data; |
1306 | |
1307 | # XXX using $DATA might clobber it! |
1308 | my $sym = svref_2object( \\$data )->save; |
9d2bbe64 |
1309 | $init->add( split /\n/, <<CODE ); |
b326da91 |
1310 | { |
1311 | GV* gv = (GV*)gv_fetchpv( "$globname", TRUE, SVt_PV ); |
1312 | SV* sv = $sym; |
1313 | GvSV( gv ) = sv; |
1314 | } |
1315 | CODE |
e934609f |
1316 | # for PerlIO::scalar |
b326da91 |
1317 | $use_xsloader = 1; |
1318 | $init->add_eval( sprintf 'open(%s, "<", $%s)', $globname, $globname ); |
1319 | } |
1320 | |
a798dbf2 |
1321 | sub B::IO::save { |
1322 | my ($io) = @_; |
1323 | my $sym = objsym($io); |
1324 | return $sym if defined $sym; |
1325 | my $pv = $io->PV; |
66a2622e |
1326 | $pv = '' unless defined $pv; |
a798dbf2 |
1327 | my $len = length($pv); |
1328 | $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", |
1329 | $len, $len+1, $io->IVX, $io->NVX, $io->LINES, |
1330 | $io->PAGE, $io->PAGE_LEN, $io->LINES_LEFT, |
1331 | cstring($io->TOP_NAME), cstring($io->FMT_NAME), |
1332 | cstring($io->BOTTOM_NAME), $io->SUBPROCESS, |
1333 | cchar($io->IoTYPE), $io->IoFLAGS)); |
1334 | $svsect->add(sprintf("&xpvio_list[%d], %lu, 0x%x", |
932e9ff9 |
1335 | $xpviosect->index, $io->REFCNT , $io->FLAGS)); |
a798dbf2 |
1336 | $sym = savesym($io, sprintf("(IO*)&sv_list[%d]", $svsect->index)); |
b326da91 |
1337 | # deal with $x = *STDIN/STDOUT/STDERR{IO} |
1338 | my $perlio_func; |
1339 | foreach ( qw(stdin stdout stderr) ) { |
1340 | $io->IsSTD($_) and $perlio_func = $_; |
1341 | } |
1342 | if( $perlio_func ) { |
1343 | $init->add( "IoIFP(${sym})=PerlIO_${perlio_func}();" ); |
1344 | $init->add( "IoOFP(${sym})=PerlIO_${perlio_func}();" ); |
1345 | } |
1346 | |
a798dbf2 |
1347 | my ($field, $fsym); |
1348 | foreach $field (qw(TOP_GV FMT_GV BOTTOM_GV)) { |
1349 | $fsym = $io->$field(); |
1350 | if ($$fsym) { |
1351 | $init->add(sprintf("Io$field($sym) = (GV*)s\\_%x;", $$fsym)); |
1352 | $fsym->save; |
1353 | } |
1354 | } |
1355 | $io->save_magic; |
1356 | return $sym; |
1357 | } |
1358 | |
1359 | sub B::SV::save { |
1360 | my $sv = shift; |
1361 | # This is where we catch an honest-to-goodness Nullsv (which gets |
1362 | # blessed into B::SV explicitly) and any stray erroneous SVs. |
1363 | return 0 unless $$sv; |
1364 | confess sprintf("cannot save that type of SV: %s (0x%x)\n", |
1365 | class($sv), $$sv); |
1366 | } |
1367 | |
1368 | sub output_all { |
1369 | my $init_name = shift; |
1370 | my $section; |
1371 | my @sections = ($opsect, $unopsect, $binopsect, $logopsect, $condopsect, |
7934575e |
1372 | $listopsect, $pmopsect, $svopsect, $padopsect, $pvopsect, |
66a2622e |
1373 | $loopsect, $copsect, $svsect, $xpvsect, |
a798dbf2 |
1374 | $xpvavsect, $xpvhvsect, $xpvcvsect, $xpvivsect, $xpvnvsect, |
1375 | $xpvmgsect, $xpvlvsect, $xrvsect, $xpvbmsect, $xpviosect); |
1376 | $symsect->output(\*STDOUT, "#define %s\n"); |
1377 | print "\n"; |
1378 | output_declarations(); |
1379 | foreach $section (@sections) { |
1380 | my $lines = $section->index + 1; |
1381 | if ($lines) { |
1382 | my $name = $section->name; |
1383 | my $typename = ($name eq "xpvcv") ? "XPVCV_or_similar" : uc($name); |
1384 | print "Static $typename ${name}_list[$lines];\n"; |
1385 | } |
1386 | } |
9d2bbe64 |
1387 | # XXX hack for when Perl accesses PVX of GVs |
1388 | print 'Static char emptystring[] = "\0";'; |
1389 | |
a798dbf2 |
1390 | $decl->output(\*STDOUT, "%s\n"); |
1391 | print "\n"; |
1392 | foreach $section (@sections) { |
1393 | my $lines = $section->index + 1; |
1394 | if ($lines) { |
1395 | my $name = $section->name; |
1396 | my $typename = ($name eq "xpvcv") ? "XPVCV_or_similar" : uc($name); |
1397 | printf "static %s %s_list[%u] = {\n", $typename, $name, $lines; |
9d2bbe64 |
1398 | $section->output(\*STDOUT, "\t{ %s }, /* %d */\n"); |
a798dbf2 |
1399 | print "};\n\n"; |
1400 | } |
1401 | } |
1402 | |
9d2bbe64 |
1403 | $init->output(\*STDOUT, "\t%s\n", $init_name ); |
a798dbf2 |
1404 | if ($verbose) { |
1405 | warn compile_stats(); |
1406 | warn "NULLOP count: $nullop_count\n"; |
1407 | } |
1408 | } |
1409 | |
1410 | sub output_declarations { |
1411 | print <<'EOT'; |
1412 | #ifdef BROKEN_STATIC_REDECL |
1413 | #define Static extern |
1414 | #else |
1415 | #define Static static |
1416 | #endif /* BROKEN_STATIC_REDECL */ |
1417 | |
1418 | #ifdef BROKEN_UNION_INIT |
7c60e434 |
1419 | #error BROKEN_UNION_INIT no longer needed, as Perl requires an ANSI compiler |
1420 | #endif |
1421 | |
a798dbf2 |
1422 | #define XPVCV_or_similar XPVCV |
1423 | #define ANYINIT(i) {i} |
a798dbf2 |
1424 | #define Nullany ANYINIT(0) |
1425 | |
1426 | #define UNUSED 0 |
1427 | #define sym_0 0 |
a798dbf2 |
1428 | EOT |
1429 | print "static GV *gv_list[$gv_index];\n" if $gv_index; |
1430 | print "\n"; |
1431 | } |
1432 | |
1433 | |
1434 | sub output_boilerplate { |
1435 | print <<'EOT'; |
1436 | #include "EXTERN.h" |
1437 | #include "perl.h" |
93865851 |
1438 | #include "XSUB.h" |
a798dbf2 |
1439 | |
1440 | /* Workaround for mapstart: the only op which needs a different ppaddr */ |
3f872cb9 |
1441 | #undef Perl_pp_mapstart |
1442 | #define Perl_pp_mapstart Perl_pp_grepstart |
b326da91 |
1443 | #undef OP_MAPSTART |
1444 | #define OP_MAPSTART OP_GREPSTART |
511dd457 |
1445 | #define XS_DynaLoader_boot_DynaLoader boot_DynaLoader |
5712119f |
1446 | EXTERN_C void boot_DynaLoader (pTHX_ CV* cv); |
a798dbf2 |
1447 | |
5712119f |
1448 | static void xs_init (pTHX); |
1449 | static void dl_init (pTHX); |
a798dbf2 |
1450 | static PerlInterpreter *my_perl; |
1451 | EOT |
1452 | } |
1453 | |
b326da91 |
1454 | sub init_op_addr { |
1455 | my( $op_type, $num ) = @_; |
1456 | my $op_list = $op_type."_list"; |
1457 | |
1458 | $init->add( split /\n/, <<EOT ); |
1459 | { |
1460 | int i; |
1461 | |
1462 | for( i = 0; i < ${num}; ++i ) |
1463 | { |
1464 | ${op_list}\[i].op_ppaddr = PL_ppaddr[INT2PTR(int,${op_list}\[i].op_ppaddr)]; |
1465 | } |
1466 | } |
1467 | EOT |
1468 | } |
1469 | |
1470 | sub init_op_warn { |
1471 | my( $op_type, $num ) = @_; |
1472 | my $op_list = $op_type."_list"; |
1473 | |
1474 | # for resons beyond imagination, MSVC5 considers pWARN_ALL non-const |
1475 | $init->add( split /\n/, <<EOT ); |
1476 | { |
1477 | int i; |
1478 | |
1479 | for( i = 0; i < ${num}; ++i ) |
1480 | { |
1481 | switch( (int)(${op_list}\[i].cop_warnings) ) |
1482 | { |
1483 | case 1: |
1484 | ${op_list}\[i].cop_warnings = pWARN_ALL; |
1485 | break; |
1486 | case 2: |
1487 | ${op_list}\[i].cop_warnings = pWARN_NONE; |
1488 | break; |
1489 | case 3: |
1490 | ${op_list}\[i].cop_warnings = pWARN_STD; |
1491 | break; |
1492 | default: |
1493 | break; |
1494 | } |
1495 | } |
1496 | } |
1497 | EOT |
1498 | } |
1499 | |
a798dbf2 |
1500 | sub output_main { |
1501 | print <<'EOT'; |
9d2bbe64 |
1502 | /* if USE_IMPLICIT_SYS, we need a 'real' exit */ |
1503 | #if defined(exit) |
1504 | #undef exit |
1505 | #endif |
1506 | |
a798dbf2 |
1507 | int |
a798dbf2 |
1508 | main(int argc, char **argv, char **env) |
a798dbf2 |
1509 | { |
1510 | int exitstatus; |
1511 | int i; |
1512 | char **fakeargv; |
b326da91 |
1513 | GV* tmpgv; |
1514 | SV* tmpsv; |
9d2bbe64 |
1515 | int options_count; |
a798dbf2 |
1516 | |
5712119f |
1517 | PERL_SYS_INIT3(&argc,&argv,&env); |
9d2bbe64 |
1518 | |
81009501 |
1519 | if (!PL_do_undump) { |
a798dbf2 |
1520 | my_perl = perl_alloc(); |
1521 | if (!my_perl) |
1522 | exit(1); |
1523 | perl_construct( my_perl ); |
5712119f |
1524 | PL_perl_destruct_level = 0; |
a798dbf2 |
1525 | } |
9d2bbe64 |
1526 | EOT |
1527 | if( $ithreads ) { |
1528 | # XXX init free elems! |
1529 | my $pad_len = regex_padav->FILL + 1 - 1; # first is an avref |
a798dbf2 |
1530 | |
9d2bbe64 |
1531 | print <<EOT; |
1532 | #ifdef USE_ITHREADS |
1533 | for( i = 0; i < $pad_len; ++i ) { |
1534 | av_push( PL_regex_padav, newSViv(0) ); |
1535 | } |
1536 | PL_regex_pad = AvARRAY( PL_regex_padav ); |
1537 | #endif |
1538 | EOT |
1539 | } |
1540 | |
1541 | print <<'EOT'; |
a798dbf2 |
1542 | #ifdef CSH |
81009501 |
1543 | if (!PL_cshlen) |
1544 | PL_cshlen = strlen(PL_cshname); |
a798dbf2 |
1545 | #endif |
1546 | |
1547 | #ifdef ALLOW_PERL_OPTIONS |
a798dbf2 |
1548 | #define EXTRA_OPTIONS 3 |
b326da91 |
1549 | #else |
1550 | #define EXTRA_OPTIONS 4 |
a798dbf2 |
1551 | #endif /* ALLOW_PERL_OPTIONS */ |
a02a5408 |
1552 | Newx(fakeargv, argc + EXTRA_OPTIONS + 1, char *); |
b326da91 |
1553 | |
a798dbf2 |
1554 | fakeargv[0] = argv[0]; |
1555 | fakeargv[1] = "-e"; |
1556 | fakeargv[2] = ""; |
9d2bbe64 |
1557 | options_count = 3; |
b326da91 |
1558 | EOT |
1559 | # honour -T |
9d2bbe64 |
1560 | print <<EOT; |
1561 | if( ${^TAINT} ) { |
1562 | fakeargv[options_count] = "-T"; |
1563 | ++options_count; |
1564 | } |
1565 | EOT |
b326da91 |
1566 | print <<'EOT'; |
a798dbf2 |
1567 | #ifndef ALLOW_PERL_OPTIONS |
9d2bbe64 |
1568 | fakeargv[options_count] = "--"; |
1569 | ++options_count; |
a798dbf2 |
1570 | #endif /* ALLOW_PERL_OPTIONS */ |
1571 | for (i = 1; i < argc; i++) |
9d2bbe64 |
1572 | fakeargv[i + options_count - 1] = argv[i]; |
1573 | fakeargv[argc + options_count - 1] = 0; |
b326da91 |
1574 | |
9d2bbe64 |
1575 | exitstatus = perl_parse(my_perl, xs_init, argc + options_count - 1, |
a798dbf2 |
1576 | fakeargv, NULL); |
b326da91 |
1577 | |
a798dbf2 |
1578 | if (exitstatus) |
1579 | exit( exitstatus ); |
1580 | |
b326da91 |
1581 | TAINT; |
1582 | EOT |
1583 | |
1584 | if( $use_perl_script_name ) { |
1585 | my $dollar_0 = $0; |
1586 | $dollar_0 =~ s/\\/\\\\/g; |
1587 | $dollar_0 = '"' . $dollar_0 . '"'; |
1588 | |
1589 | print <<EOT; |
1590 | if ((tmpgv = gv_fetchpv("0",TRUE, SVt_PV))) {/* $0 */ |
1591 | tmpsv = GvSV(tmpgv); |
1592 | sv_setpv(tmpsv, ${dollar_0}); |
1593 | SvSETMAGIC(tmpsv); |
1594 | } |
1595 | EOT |
1596 | } |
ede8dd12 |
1597 | else { |
1598 | print <<EOT; |
1599 | if ((tmpgv = gv_fetchpv("0",TRUE, SVt_PV))) {/* $0 */ |
1600 | tmpsv = GvSV(tmpgv); |
1601 | sv_setpv(tmpsv, argv[0]); |
1602 | SvSETMAGIC(tmpsv); |
1603 | } |
1604 | EOT |
1605 | } |
b326da91 |
1606 | |
1607 | print <<'EOT'; |
1608 | if ((tmpgv = gv_fetchpv("\030",TRUE, SVt_PV))) {/* $^X */ |
1609 | tmpsv = GvSV(tmpgv); |
1610 | #ifdef WIN32 |
1611 | sv_setpv(tmpsv,"perl.exe"); |
1612 | #else |
1613 | sv_setpv(tmpsv,"perl"); |
1614 | #endif |
1615 | SvSETMAGIC(tmpsv); |
1616 | } |
1617 | |
1618 | TAINT_NOT; |
1619 | |
1620 | /* PL_main_cv = PL_compcv; */ |
81009501 |
1621 | PL_compcv = 0; |
a798dbf2 |
1622 | |
1623 | exitstatus = perl_init(); |
1624 | if (exitstatus) |
1625 | exit( exitstatus ); |
5712119f |
1626 | dl_init(aTHX); |
a798dbf2 |
1627 | |
1628 | exitstatus = perl_run( my_perl ); |
1629 | |
1630 | perl_destruct( my_perl ); |
1631 | perl_free( my_perl ); |
1632 | |
5712119f |
1633 | PERL_SYS_TERM(); |
1634 | |
a798dbf2 |
1635 | exit( exitstatus ); |
1636 | } |
1637 | |
511dd457 |
1638 | /* yanked from perl.c */ |
a798dbf2 |
1639 | static void |
5712119f |
1640 | xs_init(pTHX) |
a798dbf2 |
1641 | { |
511dd457 |
1642 | char *file = __FILE__; |
af765ed9 |
1643 | dTARG; |
39644a26 |
1644 | dSP; |
a798dbf2 |
1645 | EOT |
af765ed9 |
1646 | print "\n#ifdef USE_DYNAMIC_LOADING"; |
1647 | print qq/\n\tnewXS("DynaLoader::boot_DynaLoader", boot_DynaLoader, file);/; |
1648 | print "\n#endif\n" ; |
a0e9c8c7 |
1649 | # delete $xsub{'DynaLoader'}; |
af765ed9 |
1650 | delete $xsub{'UNIVERSAL'}; |
be6f3502 |
1651 | print("/* bootstrapping code*/\n\tSAVETMPS;\n"); |
af765ed9 |
1652 | print("\ttarg=sv_newmortal();\n"); |
b326da91 |
1653 | print "#ifdef USE_DYNAMIC_LOADING\n"; |
a0e9c8c7 |
1654 | print "\tPUSHMARK(sp);\n"; |
1655 | print qq/\tXPUSHp("DynaLoader",strlen("DynaLoader"));\n/; |
1656 | print qq/\tPUTBACK;\n/; |
5712119f |
1657 | print "\tboot_DynaLoader(aTHX_ NULL);\n"; |
a0e9c8c7 |
1658 | print qq/\tSPAGAIN;\n/; |
1659 | print "#endif\n"; |
1660 | foreach my $stashname (keys %xsub){ |
b326da91 |
1661 | if ($xsub{$stashname} !~ m/Dynamic/ ) { |
be6f3502 |
1662 | my $stashxsub=$stashname; |
1663 | $stashxsub =~ s/::/__/g; |
1664 | print "\tPUSHMARK(sp);\n"; |
a0e9c8c7 |
1665 | print qq/\tXPUSHp("$stashname",strlen("$stashname"));\n/; |
1666 | print qq/\tPUTBACK;\n/; |
5712119f |
1667 | print "\tboot_$stashxsub(aTHX_ NULL);\n"; |
a0e9c8c7 |
1668 | print qq/\tSPAGAIN;\n/; |
be6f3502 |
1669 | } |
1670 | } |
1671 | print("\tFREETMPS;\n/* end bootstrapping code */\n"); |
a0e9c8c7 |
1672 | print "}\n"; |
be6f3502 |
1673 | |
1674 | print <<'EOT'; |
1675 | static void |
5712119f |
1676 | dl_init(pTHX) |
be6f3502 |
1677 | { |
1678 | char *file = __FILE__; |
1679 | dTARG; |
39644a26 |
1680 | dSP; |
be6f3502 |
1681 | EOT |
1682 | print("/* Dynamicboot strapping code*/\n\tSAVETMPS;\n"); |
1683 | print("\ttarg=sv_newmortal();\n"); |
1684 | foreach my $stashname (@DynaLoader::dl_modules) { |
1685 | warn "Loaded $stashname\n"; |
b326da91 |
1686 | if (exists($xsub{$stashname}) && $xsub{$stashname} =~ m/Dynamic/) { |
be6f3502 |
1687 | my $stashxsub=$stashname; |
1688 | $stashxsub =~ s/::/__/g; |
1689 | print "\tPUSHMARK(sp);\n"; |
a0e9c8c7 |
1690 | print qq/\tXPUSHp("$stashname",/,length($stashname),qq/);\n/; |
be6f3502 |
1691 | print qq/\tPUTBACK;\n/; |
b326da91 |
1692 | print "#ifdef USE_DYNAMIC_LOADING\n"; |
af765ed9 |
1693 | warn "bootstrapping $stashname added to xs_init\n"; |
b326da91 |
1694 | if( $xsub{$stashname} eq 'Dynamic' ) { |
1695 | print qq/\tperl_call_method("bootstrap",G_DISCARD);\n/; |
1696 | } |
1697 | else { |
1698 | print qq/\tperl_call_pv("XSLoader::load",G_DISCARD);\n/; |
1699 | } |
9d2bbe64 |
1700 | print "#else\n"; |
5712119f |
1701 | print "\tboot_$stashxsub(aTHX_ NULL);\n"; |
be6f3502 |
1702 | print "#endif\n"; |
1703 | print qq/\tSPAGAIN;\n/; |
1704 | } |
af765ed9 |
1705 | } |
be6f3502 |
1706 | print("\tFREETMPS;\n/* end Dynamic bootstrapping code */\n"); |
a0e9c8c7 |
1707 | print "}\n"; |
af765ed9 |
1708 | } |
a798dbf2 |
1709 | sub dump_symtable { |
1710 | # For debugging |
1711 | my ($sym, $val); |
1712 | warn "----Symbol table:\n"; |
1713 | while (($sym, $val) = each %symtable) { |
1714 | warn "$sym => $val\n"; |
1715 | } |
1716 | warn "---End of symbol table\n"; |
1717 | } |
1718 | |
1719 | sub save_object { |
1720 | my $sv; |
1721 | foreach $sv (@_) { |
1722 | svref_2object($sv)->save; |
1723 | } |
338a6d08 |
1724 | } |
1725 | |
1726 | sub Dummy_BootStrap { } |
a798dbf2 |
1727 | |
66a2622e |
1728 | sub B::GV::savecv |
1729 | { |
1730 | my $gv = shift; |
1731 | my $package=$gv->STASH->NAME; |
1732 | my $name = $gv->NAME; |
1733 | my $cv = $gv->CV; |
7cf11ee8 |
1734 | my $sv = $gv->SV; |
1735 | my $av = $gv->AV; |
1736 | my $hv = $gv->HV; |
7cf11ee8 |
1737 | |
b326da91 |
1738 | my $fullname = $gv->STASH->NAME . "::" . $gv->NAME; |
1739 | |
66a2622e |
1740 | # We may be looking at this package just because it is a branch in the |
1741 | # symbol table which is on the path to a package which we need to save |
7cf11ee8 |
1742 | # e.g. this is 'Getopt' and we need to save 'Getopt::Long' |
66a2622e |
1743 | # |
7cf11ee8 |
1744 | return unless ($unused_sub_packages{$package}); |
be6f3502 |
1745 | return unless ($$cv || $$av || $$sv || $$hv); |
1746 | $gv->save; |
66a2622e |
1747 | } |
5ed82aed |
1748 | |
66a2622e |
1749 | sub mark_package |
1750 | { |
1751 | my $package = shift; |
1752 | unless ($unused_sub_packages{$package}) |
1753 | { |
1754 | no strict 'refs'; |
1755 | $unused_sub_packages{$package} = 1; |
6771324e |
1756 | if (defined @{$package.'::ISA'}) |
66a2622e |
1757 | { |
1758 | foreach my $isa (@{$package.'::ISA'}) |
1759 | { |
1760 | if ($isa eq 'DynaLoader') |
1761 | { |
1762 | unless (defined(&{$package.'::bootstrap'})) |
1763 | { |
1764 | warn "Forcing bootstrap of $package\n"; |
1765 | eval { $package->bootstrap }; |
1766 | } |
1767 | } |
a0e9c8c7 |
1768 | # else |
66a2622e |
1769 | { |
1770 | unless ($unused_sub_packages{$isa}) |
1771 | { |
1772 | warn "$isa saved (it is in $package\'s \@ISA)\n"; |
1773 | mark_package($isa); |
1774 | } |
1775 | } |
1776 | } |
1777 | } |
1778 | } |
1779 | return 1; |
1780 | } |
1781 | |
1782 | sub should_save |
1783 | { |
1784 | no strict qw(vars refs); |
1785 | my $package = shift; |
1786 | $package =~ s/::$//; |
1787 | return $unused_sub_packages{$package} = 0 if ($package =~ /::::/); # skip ::::ISA::CACHE etc. |
cf86991c |
1788 | # warn "Considering $package\n";#debug |
66a2622e |
1789 | foreach my $u (grep($unused_sub_packages{$_},keys %unused_sub_packages)) |
1790 | { |
1791 | # If this package is a prefix to something we are saving, traverse it |
1792 | # but do not mark it for saving if it is not already |
1793 | # e.g. to get to Getopt::Long we need to traverse Getopt but need |
1794 | # not save Getopt |
1795 | return 1 if ($u =~ /^$package\:\:/); |
1796 | } |
1797 | if (exists $unused_sub_packages{$package}) |
1798 | { |
cf86991c |
1799 | # warn "Cached $package is ".$unused_sub_packages{$package}."\n"; |
cfa4c8ee |
1800 | delete_unsaved_hashINC($package) unless $unused_sub_packages{$package} ; |
1801 | return $unused_sub_packages{$package}; |
66a2622e |
1802 | } |
1803 | # Omit the packages which we use (and which cause grief |
1804 | # because of fancy "goto &$AUTOLOAD" stuff). |
1805 | # XXX Surely there must be a nicer way to do this. |
1806 | if ($package eq "FileHandle" || $package eq "Config" || |
cf86991c |
1807 | $package eq "SelectSaver" || $package =~/^(B|IO)::/) |
66a2622e |
1808 | { |
cfa4c8ee |
1809 | delete_unsaved_hashINC($package); |
66a2622e |
1810 | return $unused_sub_packages{$package} = 0; |
1811 | } |
1812 | # Now see if current package looks like an OO class this is probably too strong. |
1813 | foreach my $m (qw(new DESTROY TIESCALAR TIEARRAY TIEHASH TIEHANDLE)) |
1814 | { |
b368a11e |
1815 | if (UNIVERSAL::can($package, $m)) |
66a2622e |
1816 | { |
1817 | warn "$package has method $m: saving package\n";#debug |
1818 | return mark_package($package); |
1819 | } |
1820 | } |
cfa4c8ee |
1821 | delete_unsaved_hashINC($package); |
66a2622e |
1822 | return $unused_sub_packages{$package} = 0; |
a798dbf2 |
1823 | } |
cfa4c8ee |
1824 | sub delete_unsaved_hashINC{ |
1825 | my $packname=shift; |
1826 | $packname =~ s/\:\:/\//g; |
1827 | $packname .= '.pm'; |
59c10aa2 |
1828 | # warn "deleting $packname" if $INC{$packname} ;# debug |
cfa4c8ee |
1829 | delete $INC{$packname}; |
1830 | } |
66a2622e |
1831 | sub walkpackages |
1832 | { |
1833 | my ($symref, $recurse, $prefix) = @_; |
1834 | my $sym; |
1835 | my $ref; |
1836 | no strict 'vars'; |
66a2622e |
1837 | $prefix = '' unless defined $prefix; |
1838 | while (($sym, $ref) = each %$symref) |
1839 | { |
8e9a9eae |
1840 | local(*glob); |
66a2622e |
1841 | *glob = $ref; |
1842 | if ($sym =~ /::$/) |
1843 | { |
1844 | $sym = $prefix . $sym; |
b4e94495 |
1845 | if ($sym ne "main::" && $sym ne "<none>::" && &$recurse($sym)) |
66a2622e |
1846 | { |
1847 | walkpackages(\%glob, $recurse, $sym); |
1848 | } |
1849 | } |
1850 | } |
1851 | } |
338a6d08 |
1852 | |
1853 | |
66a2622e |
1854 | sub save_unused_subs |
1855 | { |
1856 | no strict qw(refs); |
a9b6343a |
1857 | &descend_marked_unused; |
66a2622e |
1858 | warn "Prescan\n"; |
1859 | walkpackages(\%{"main::"}, sub { should_save($_[0]); return 1 }); |
1860 | warn "Saving methods\n"; |
1861 | walksymtable(\%{"main::"}, "savecv", \&should_save); |
a798dbf2 |
1862 | } |
1863 | |
0cc1d052 |
1864 | sub save_context |
1865 | { |
1866 | my $curpad_nam = (comppadlist->ARRAY)[0]->save; |
1867 | my $curpad_sym = (comppadlist->ARRAY)[1]->save; |
1868 | my $inc_hv = svref_2object(\%INC)->save; |
1869 | my $inc_av = svref_2object(\@INC)->save; |
56eca212 |
1870 | my $amagic_generate= amagic_generation; |
0cc1d052 |
1871 | $init->add( "PL_curpad = AvARRAY($curpad_sym);", |
1872 | "GvHV(PL_incgv) = $inc_hv;", |
1873 | "GvAV(PL_incgv) = $inc_av;", |
1874 | "av_store(CvPADLIST(PL_main_cv),0,SvREFCNT_inc($curpad_nam));", |
56eca212 |
1875 | "av_store(CvPADLIST(PL_main_cv),1,SvREFCNT_inc($curpad_sym));", |
1876 | "PL_amagic_generation= $amagic_generate;" ); |
0cc1d052 |
1877 | } |
1878 | |
a9b6343a |
1879 | sub descend_marked_unused { |
1880 | foreach my $pack (keys %unused_sub_packages) |
1881 | { |
1882 | mark_package($pack); |
1883 | } |
1884 | } |
73544139 |
1885 | |
a798dbf2 |
1886 | sub save_main { |
b326da91 |
1887 | # this is mainly for the test suite |
1888 | my $warner = $SIG{__WARN__}; |
1889 | local $SIG{__WARN__} = sub { print STDERR @_ }; |
1890 | |
66a2622e |
1891 | warn "Starting compile\n"; |
66a2622e |
1892 | warn "Walking tree\n"; |
73544139 |
1893 | seek(STDOUT,0,0); #exclude print statements in BEGIN{} into output |
a798dbf2 |
1894 | walkoptree(main_root, "save"); |
1895 | warn "done main optree, walking symtable for extras\n" if $debug_cv; |
66a2622e |
1896 | save_unused_subs(); |
b326da91 |
1897 | # XSLoader was used, force saving of XSLoader::load |
1898 | if( $use_xsloader ) { |
1899 | my $cv = svref_2object( \&XSLoader::load ); |
1900 | $cv->save; |
1901 | } |
1902 | # save %SIG ( in case it was set in a BEGIN block ) |
1903 | if( $save_sig ) { |
1904 | local $SIG{__WARN__} = $warner; |
9d2bbe64 |
1905 | $init->no_split; |
b326da91 |
1906 | $init->add("{", "\tHV* hv = get_hv(\"main::SIG\",1);" ); |
1907 | foreach my $k ( keys %SIG ) { |
9d2bbe64 |
1908 | next unless ref $SIG{$k}; |
b326da91 |
1909 | my $cv = svref_2object( \$SIG{$k} ); |
1910 | my $sv = $cv->save; |
1911 | $init->add('{',sprintf 'SV* sv = (SV*)%s;', $sv ); |
1912 | $init->add(sprintf("\thv_store(hv, %s, %u, %s, %s);", |
1913 | cstring($k),length(pack "a*",$k), |
1914 | 'sv', hash($k))); |
1915 | $init->add('mg_set(sv);','}'); |
1916 | } |
1917 | $init->add('}'); |
9d2bbe64 |
1918 | $init->split; |
b326da91 |
1919 | } |
1920 | # honour -w |
1921 | $init->add( sprintf " PL_dowarn = ( %s ) ? G_WARN_ON : G_WARN_OFF;", $^W ); |
1922 | # |
0cc1d052 |
1923 | my $init_av = init_av->save; |
b326da91 |
1924 | my $end_av = end_av->save; |
81009501 |
1925 | $init->add(sprintf("PL_main_root = s\\_%x;", ${main_root()}), |
1926 | sprintf("PL_main_start = s\\_%x;", ${main_start()}), |
b326da91 |
1927 | "PL_initav = (AV *) $init_av;", |
1928 | "PL_endav = (AV*) $end_av;"); |
0cc1d052 |
1929 | save_context(); |
b326da91 |
1930 | # init op addrs ( must be the last action, otherwise |
1931 | # some ops might not be initialized |
1932 | if( $optimize_ppaddr ) { |
1933 | foreach my $i ( @op_sections ) { |
1934 | my $section = $$i; |
1935 | next unless $section->index >= 0; |
1936 | init_op_addr( $section->name, $section->index + 1); |
1937 | } |
1938 | } |
1939 | init_op_warn( $copsect->name, $copsect->index + 1) |
1940 | if $optimize_warn_sv && $copsect->index >= 0; |
1941 | |
5ed82aed |
1942 | warn "Writing output\n"; |
a798dbf2 |
1943 | output_boilerplate(); |
1944 | print "\n"; |
1945 | output_all("perl_init"); |
1946 | print "\n"; |
1947 | output_main(); |
1948 | } |
1949 | |
1950 | sub init_sections { |
b326da91 |
1951 | my @sections = (decl => \$decl, sym => \$symsect, |
a798dbf2 |
1952 | binop => \$binopsect, condop => \$condopsect, |
7934575e |
1953 | cop => \$copsect, padop => \$padopsect, |
a798dbf2 |
1954 | listop => \$listopsect, logop => \$logopsect, |
1955 | loop => \$loopsect, op => \$opsect, pmop => \$pmopsect, |
1956 | pvop => \$pvopsect, svop => \$svopsect, unop => \$unopsect, |
1957 | sv => \$svsect, xpv => \$xpvsect, xpvav => \$xpvavsect, |
1958 | xpvhv => \$xpvhvsect, xpvcv => \$xpvcvsect, |
1959 | xpviv => \$xpvivsect, xpvnv => \$xpvnvsect, |
1960 | xpvmg => \$xpvmgsect, xpvlv => \$xpvlvsect, |
1961 | xrv => \$xrvsect, xpvbm => \$xpvbmsect, |
af765ed9 |
1962 | xpvio => \$xpviosect); |
a798dbf2 |
1963 | my ($name, $sectref); |
1964 | while (($name, $sectref) = splice(@sections, 0, 2)) { |
66a2622e |
1965 | $$sectref = new B::C::Section $name, \%symtable, 0; |
a798dbf2 |
1966 | } |
b326da91 |
1967 | $init = new B::C::InitSection 'init', \%symtable, 0; |
1968 | } |
0cc1d052 |
1969 | |
1970 | sub mark_unused |
1971 | { |
1972 | my ($arg,$val) = @_; |
1973 | $unused_sub_packages{$arg} = $val; |
a798dbf2 |
1974 | } |
1975 | |
1976 | sub compile { |
1977 | my @options = @_; |
1978 | my ($option, $opt, $arg); |
b326da91 |
1979 | my @eval_at_startup; |
1980 | my %option_map = ( 'cog' => \$pv_copy_on_grow, |
1981 | 'save-data' => \$save_data_fh, |
1982 | 'ppaddr' => \$optimize_ppaddr, |
1983 | 'warn-sv' => \$optimize_warn_sv, |
1984 | 'use-script-name' => \$use_perl_script_name, |
1985 | 'save-sig-hash' => \$save_sig, |
1986 | ); |
9d2bbe64 |
1987 | my %optimization_map = ( 0 => [ qw() ], # special case |
1988 | 1 => [ qw(-fcog) ], |
1989 | 2 => [ qw(-fwarn-sv -fppaddr) ], |
1990 | ); |
a798dbf2 |
1991 | OPTION: |
1992 | while ($option = shift @options) { |
1993 | if ($option =~ /^-(.)(.*)/) { |
1994 | $opt = $1; |
1995 | $arg = $2; |
1996 | } else { |
1997 | unshift @options, $option; |
1998 | last OPTION; |
1999 | } |
2000 | if ($opt eq "-" && $arg eq "-") { |
2001 | shift @options; |
2002 | last OPTION; |
2003 | } |
2004 | if ($opt eq "w") { |
2005 | $warn_undefined_syms = 1; |
2006 | } elsif ($opt eq "D") { |
2007 | $arg ||= shift @options; |
2008 | foreach $arg (split(//, $arg)) { |
2009 | if ($arg eq "o") { |
2010 | B->debug(1); |
2011 | } elsif ($arg eq "c") { |
2012 | $debug_cops = 1; |
2013 | } elsif ($arg eq "A") { |
2014 | $debug_av = 1; |
2015 | } elsif ($arg eq "C") { |
2016 | $debug_cv = 1; |
2017 | } elsif ($arg eq "M") { |
2018 | $debug_mg = 1; |
2019 | } else { |
2020 | warn "ignoring unknown debug option: $arg\n"; |
2021 | } |
2022 | } |
2023 | } elsif ($opt eq "o") { |
2024 | $arg ||= shift @options; |
2025 | open(STDOUT, ">$arg") or return "$arg: $!\n"; |
2026 | } elsif ($opt eq "v") { |
2027 | $verbose = 1; |
2028 | } elsif ($opt eq "u") { |
2029 | $arg ||= shift @options; |
0cc1d052 |
2030 | mark_unused($arg,undef); |
a798dbf2 |
2031 | } elsif ($opt eq "f") { |
2032 | $arg ||= shift @options; |
b326da91 |
2033 | $arg =~ m/(no-)?(.*)/; |
2034 | my $no = defined($1) && $1 eq 'no-'; |
2035 | $arg = $no ? $2 : $arg; |
2036 | if( exists $option_map{$arg} ) { |
2037 | ${$option_map{$arg}} = !$no; |
2038 | } else { |
2039 | die "Invalid optimization '$arg'"; |
2040 | } |
a798dbf2 |
2041 | } elsif ($opt eq "O") { |
2042 | $arg = 1 if $arg eq ""; |
9d2bbe64 |
2043 | my @opt; |
2044 | foreach my $i ( 1 .. $arg ) { |
2045 | push @opt, @{$optimization_map{$i}} |
2046 | if exists $optimization_map{$i}; |
2047 | } |
2048 | unshift @options, @opt; |
b326da91 |
2049 | } elsif ($opt eq "e") { |
2050 | push @eval_at_startup, $arg; |
dc333d64 |
2051 | } elsif ($opt eq "l") { |
2052 | $max_string_len = $arg; |
a798dbf2 |
2053 | } |
2054 | } |
2055 | init_sections(); |
b326da91 |
2056 | foreach my $i ( @eval_at_startup ) { |
2057 | $init->add_eval( $i ); |
2058 | } |
a798dbf2 |
2059 | if (@options) { |
2060 | return sub { |
2061 | my $objname; |
2062 | foreach $objname (@options) { |
2063 | eval "save_object(\\$objname)"; |
2064 | } |
2065 | output_all(); |
2066 | } |
2067 | } else { |
2068 | return sub { save_main() }; |
2069 | } |
2070 | } |
2071 | |
2072 | 1; |
7f20e9dd |
2073 | |
2074 | __END__ |
2075 | |
2076 | =head1 NAME |
2077 | |
2078 | B::C - Perl compiler's C backend |
2079 | |
2080 | =head1 SYNOPSIS |
2081 | |
2082 | perl -MO=C[,OPTIONS] foo.pl |
2083 | |
2084 | =head1 DESCRIPTION |
2085 | |
1a52ab62 |
2086 | This compiler backend takes Perl source and generates C source code |
2087 | corresponding to the internal structures that perl uses to run |
2088 | your program. When the generated C source is compiled and run, it |
2089 | cuts out the time which perl would have taken to load and parse |
2090 | your program into its internal semi-compiled form. That means that |
2091 | compiling with this backend will not help improve the runtime |
2092 | execution speed of your program but may improve the start-up time. |
2093 | Depending on the environment in which your program runs this may be |
2094 | either a help or a hindrance. |
2095 | |
2096 | =head1 OPTIONS |
2097 | |
2098 | If there are any non-option arguments, they are taken to be |
2099 | names of objects to be saved (probably doesn't work properly yet). |
2100 | Without extra arguments, it saves the main program. |
2101 | |
2102 | =over 4 |
2103 | |
2104 | =item B<-ofilename> |
2105 | |
2106 | Output to filename instead of STDOUT |
2107 | |
2108 | =item B<-v> |
2109 | |
2110 | Verbose compilation (currently gives a few compilation statistics). |
2111 | |
2112 | =item B<--> |
2113 | |
2114 | Force end of options |
2115 | |
2116 | =item B<-uPackname> |
2117 | |
2118 | Force apparently unused subs from package Packname to be compiled. |
2119 | This allows programs to use eval "foo()" even when sub foo is never |
2120 | seen to be used at compile time. The down side is that any subs which |
2121 | really are never used also have code generated. This option is |
2122 | necessary, for example, if you have a signal handler foo which you |
2123 | initialise with C<$SIG{BAR} = "foo">. A better fix, though, is just |
2124 | to change it to C<$SIG{BAR} = \&foo>. You can have multiple B<-u> |
2125 | options. The compiler tries to figure out which packages may possibly |
2126 | have subs in which need compiling but the current version doesn't do |
2127 | it very well. In particular, it is confused by nested packages (i.e. |
2128 | of the form C<A::B>) where package C<A> does not contain any subs. |
2129 | |
2130 | =item B<-D> |
2131 | |
2132 | Debug options (concatenated or separate flags like C<perl -D>). |
2133 | |
2134 | =item B<-Do> |
2135 | |
2136 | OPs, prints each OP as it's processed |
2137 | |
2138 | =item B<-Dc> |
2139 | |
2140 | COPs, prints COPs as processed (incl. file & line num) |
2141 | |
2142 | =item B<-DA> |
2143 | |
2144 | prints AV information on saving |
2145 | |
2146 | =item B<-DC> |
2147 | |
2148 | prints CV information on saving |
2149 | |
2150 | =item B<-DM> |
2151 | |
2152 | prints MAGIC information on saving |
2153 | |
2154 | =item B<-f> |
2155 | |
b326da91 |
2156 | Force options/optimisations on or off one at a time. You can explicitly |
2157 | disable an option using B<-fno-option>. All options default to |
2158 | B<disabled>. |
2159 | |
2160 | =over 4 |
1a52ab62 |
2161 | |
2162 | =item B<-fcog> |
2163 | |
2164 | Copy-on-grow: PVs declared and initialised statically. |
2165 | |
b326da91 |
2166 | =item B<-fsave-data> |
2167 | |
2168 | Save package::DATA filehandles ( only available with PerlIO ). |
1a52ab62 |
2169 | |
b326da91 |
2170 | =item B<-fppaddr> |
2171 | |
2172 | Optimize the initialization of op_ppaddr. |
2173 | |
2174 | =item B<-fwarn-sv> |
2175 | |
2176 | Optimize the initialization of cop_warnings. |
2177 | |
2178 | =item B<-fuse-script-name> |
2179 | |
2180 | Use the script name instead of the program name as $0. |
2181 | |
2182 | =item B<-fsave-sig-hash> |
2183 | |
2184 | Save compile-time modifications to the %SIG hash. |
2185 | |
2186 | =back |
1a52ab62 |
2187 | |
2188 | =item B<-On> |
2189 | |
9d2bbe64 |
2190 | Optimisation level (n = 0, 1, 2, ...). B<-O> means B<-O1>. |
2191 | |
2192 | =over 4 |
2193 | |
2194 | =item B<-O0> |
2195 | |
2196 | Disable all optimizations. |
2197 | |
2198 | =item B<-O1> |
2199 | |
2200 | Enable B<-fcog>. |
2201 | |
2202 | =item B<-O2> |
2203 | |
2204 | Enable B<-fppaddr>, B<-fwarn-sv>. |
2205 | |
2206 | =back |
1a52ab62 |
2207 | |
dc333d64 |
2208 | =item B<-llimit> |
2209 | |
2210 | Some C compilers impose an arbitrary limit on the length of string |
2211 | constants (e.g. 2048 characters for Microsoft Visual C++). The |
2212 | B<-llimit> options tells the C backend not to generate string literals |
2213 | exceeding that limit. |
2214 | |
a45bd81d |
2215 | =back |
2216 | |
1a52ab62 |
2217 | =head1 EXAMPLES |
2218 | |
2219 | perl -MO=C,-ofoo.c foo.pl |
2220 | perl cc_harness -o foo foo.c |
2221 | |
2222 | Note that C<cc_harness> lives in the C<B> subdirectory of your perl |
2223 | library directory. The utility called C<perlcc> may also be used to |
2224 | help make use of this compiler. |
2225 | |
dc333d64 |
2226 | perl -MO=C,-v,-DcA,-l2048 bar.pl > /dev/null |
1a52ab62 |
2227 | |
2228 | =head1 BUGS |
2229 | |
2230 | Plenty. Current status: experimental. |
7f20e9dd |
2231 | |
2232 | =head1 AUTHOR |
2233 | |
2234 | Malcolm Beattie, C<mbeattie@sable.ox.ac.uk> |
2235 | |
2236 | =cut |