]>
Commit | Line | Data |
---|---|---|
16c632de TZ |
1 | /* |
2 | * trace-event-perl. Feed perf trace events to an embedded Perl interpreter. | |
3 | * | |
4 | * Copyright (C) 2009 Tom Zanussi <tzanussi@gmail.com> | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
19 | * | |
20 | */ | |
21 | ||
22 | #include <stdio.h> | |
23 | #include <stdlib.h> | |
24 | #include <string.h> | |
25 | #include <ctype.h> | |
26 | #include <errno.h> | |
27 | ||
28 | #include "../perf.h" | |
29 | #include "util.h" | |
30 | #include "trace-event.h" | |
31 | #include "trace-event-perl.h" | |
32 | ||
d1b93772 TZ |
33 | void xs_init(pTHX); |
34 | ||
d1b93772 TZ |
35 | void xs_init(pTHX) |
36 | { | |
37 | const char *file = __FILE__; | |
38 | dXSUB_SYS; | |
39 | ||
40 | newXS("Perf::Trace::Context::bootstrap", boot_Perf__Trace__Context, | |
41 | file); | |
42 | newXS("DynaLoader::boot_DynaLoader", boot_DynaLoader, file); | |
43 | } | |
44 | ||
16c632de TZ |
45 | INTERP my_perl; |
46 | ||
47 | #define FTRACE_MAX_EVENT \ | |
48 | ((1 << (sizeof(unsigned short) * 8)) - 1) | |
49 | ||
50 | struct event *events[FTRACE_MAX_EVENT]; | |
51 | ||
52 | static struct scripting_context *scripting_context; | |
53 | ||
54 | static char *cur_field_name; | |
55 | static int zero_flag_atom; | |
56 | ||
57 | static void define_symbolic_value(const char *ev_name, | |
58 | const char *field_name, | |
59 | const char *field_value, | |
60 | const char *field_str) | |
61 | { | |
62 | unsigned long long value; | |
63 | dSP; | |
64 | ||
65 | value = eval_flag(field_value); | |
66 | ||
67 | ENTER; | |
68 | SAVETMPS; | |
69 | PUSHMARK(SP); | |
70 | ||
71 | XPUSHs(sv_2mortal(newSVpv(ev_name, 0))); | |
72 | XPUSHs(sv_2mortal(newSVpv(field_name, 0))); | |
73 | XPUSHs(sv_2mortal(newSVuv(value))); | |
74 | XPUSHs(sv_2mortal(newSVpv(field_str, 0))); | |
75 | ||
76 | PUTBACK; | |
77 | if (get_cv("main::define_symbolic_value", 0)) | |
78 | call_pv("main::define_symbolic_value", G_SCALAR); | |
79 | SPAGAIN; | |
80 | PUTBACK; | |
81 | FREETMPS; | |
82 | LEAVE; | |
83 | } | |
84 | ||
85 | static void define_symbolic_values(struct print_flag_sym *field, | |
86 | const char *ev_name, | |
87 | const char *field_name) | |
88 | { | |
89 | define_symbolic_value(ev_name, field_name, field->value, field->str); | |
90 | if (field->next) | |
91 | define_symbolic_values(field->next, ev_name, field_name); | |
92 | } | |
93 | ||
94 | static void define_symbolic_field(const char *ev_name, | |
95 | const char *field_name) | |
96 | { | |
97 | dSP; | |
98 | ||
99 | ENTER; | |
100 | SAVETMPS; | |
101 | PUSHMARK(SP); | |
102 | ||
103 | XPUSHs(sv_2mortal(newSVpv(ev_name, 0))); | |
104 | XPUSHs(sv_2mortal(newSVpv(field_name, 0))); | |
105 | ||
106 | PUTBACK; | |
107 | if (get_cv("main::define_symbolic_field", 0)) | |
108 | call_pv("main::define_symbolic_field", G_SCALAR); | |
109 | SPAGAIN; | |
110 | PUTBACK; | |
111 | FREETMPS; | |
112 | LEAVE; | |
113 | } | |
114 | ||
115 | static void define_flag_value(const char *ev_name, | |
116 | const char *field_name, | |
117 | const char *field_value, | |
118 | const char *field_str) | |
119 | { | |
120 | unsigned long long value; | |
121 | dSP; | |
122 | ||
123 | value = eval_flag(field_value); | |
124 | ||
125 | ENTER; | |
126 | SAVETMPS; | |
127 | PUSHMARK(SP); | |
128 | ||
129 | XPUSHs(sv_2mortal(newSVpv(ev_name, 0))); | |
130 | XPUSHs(sv_2mortal(newSVpv(field_name, 0))); | |
131 | XPUSHs(sv_2mortal(newSVuv(value))); | |
132 | XPUSHs(sv_2mortal(newSVpv(field_str, 0))); | |
133 | ||
134 | PUTBACK; | |
135 | if (get_cv("main::define_flag_value", 0)) | |
136 | call_pv("main::define_flag_value", G_SCALAR); | |
137 | SPAGAIN; | |
138 | PUTBACK; | |
139 | FREETMPS; | |
140 | LEAVE; | |
141 | } | |
142 | ||
143 | static void define_flag_values(struct print_flag_sym *field, | |
144 | const char *ev_name, | |
145 | const char *field_name) | |
146 | { | |
147 | define_flag_value(ev_name, field_name, field->value, field->str); | |
148 | if (field->next) | |
149 | define_flag_values(field->next, ev_name, field_name); | |
150 | } | |
151 | ||
152 | static void define_flag_field(const char *ev_name, | |
153 | const char *field_name, | |
154 | const char *delim) | |
155 | { | |
156 | dSP; | |
157 | ||
158 | ENTER; | |
159 | SAVETMPS; | |
160 | PUSHMARK(SP); | |
161 | ||
162 | XPUSHs(sv_2mortal(newSVpv(ev_name, 0))); | |
163 | XPUSHs(sv_2mortal(newSVpv(field_name, 0))); | |
164 | XPUSHs(sv_2mortal(newSVpv(delim, 0))); | |
165 | ||
166 | PUTBACK; | |
167 | if (get_cv("main::define_flag_field", 0)) | |
168 | call_pv("main::define_flag_field", G_SCALAR); | |
169 | SPAGAIN; | |
170 | PUTBACK; | |
171 | FREETMPS; | |
172 | LEAVE; | |
173 | } | |
174 | ||
175 | static void define_event_symbols(struct event *event, | |
176 | const char *ev_name, | |
177 | struct print_arg *args) | |
178 | { | |
179 | switch (args->type) { | |
180 | case PRINT_NULL: | |
181 | break; | |
182 | case PRINT_ATOM: | |
183 | define_flag_value(ev_name, cur_field_name, "0", | |
184 | args->atom.atom); | |
185 | zero_flag_atom = 0; | |
186 | break; | |
187 | case PRINT_FIELD: | |
188 | if (cur_field_name) | |
189 | free(cur_field_name); | |
190 | cur_field_name = strdup(args->field.name); | |
191 | break; | |
192 | case PRINT_FLAGS: | |
193 | define_event_symbols(event, ev_name, args->flags.field); | |
194 | define_flag_field(ev_name, cur_field_name, args->flags.delim); | |
195 | define_flag_values(args->flags.flags, ev_name, cur_field_name); | |
196 | break; | |
197 | case PRINT_SYMBOL: | |
198 | define_event_symbols(event, ev_name, args->symbol.field); | |
199 | define_symbolic_field(ev_name, cur_field_name); | |
200 | define_symbolic_values(args->symbol.symbols, ev_name, | |
201 | cur_field_name); | |
202 | break; | |
203 | case PRINT_STRING: | |
204 | break; | |
205 | case PRINT_TYPE: | |
206 | define_event_symbols(event, ev_name, args->typecast.item); | |
207 | break; | |
208 | case PRINT_OP: | |
209 | if (strcmp(args->op.op, ":") == 0) | |
210 | zero_flag_atom = 1; | |
211 | define_event_symbols(event, ev_name, args->op.left); | |
212 | define_event_symbols(event, ev_name, args->op.right); | |
213 | break; | |
214 | default: | |
215 | /* we should warn... */ | |
216 | return; | |
217 | } | |
218 | ||
219 | if (args->next) | |
220 | define_event_symbols(event, ev_name, args->next); | |
221 | } | |
222 | ||
223 | static inline struct event *find_cache_event(int type) | |
224 | { | |
225 | static char ev_name[256]; | |
226 | struct event *event; | |
227 | ||
228 | if (events[type]) | |
229 | return events[type]; | |
230 | ||
231 | events[type] = event = trace_find_event(type); | |
232 | if (!event) | |
233 | return NULL; | |
234 | ||
235 | sprintf(ev_name, "%s::%s", event->system, event->name); | |
236 | ||
237 | define_event_symbols(event, ev_name, event->print_fmt.args); | |
238 | ||
239 | return event; | |
240 | } | |
241 | ||
61381de0 | 242 | int common_pc(struct scripting_context *context) |
d1b93772 TZ |
243 | { |
244 | int pc; | |
245 | ||
246 | pc = parse_common_pc(context->event_data); | |
247 | ||
248 | return pc; | |
249 | } | |
250 | ||
61381de0 | 251 | int common_flags(struct scripting_context *context) |
d1b93772 TZ |
252 | { |
253 | int flags; | |
254 | ||
255 | flags = parse_common_flags(context->event_data); | |
256 | ||
257 | return flags; | |
258 | } | |
259 | ||
61381de0 | 260 | int common_lock_depth(struct scripting_context *context) |
d1b93772 TZ |
261 | { |
262 | int lock_depth; | |
263 | ||
264 | lock_depth = parse_common_lock_depth(context->event_data); | |
265 | ||
266 | return lock_depth; | |
267 | } | |
268 | ||
16c632de TZ |
269 | static void perl_process_event(int cpu, void *data, |
270 | int size __attribute((unused)), | |
271 | unsigned long long nsecs, char *comm) | |
272 | { | |
273 | struct format_field *field; | |
274 | static char handler[256]; | |
275 | unsigned long long val; | |
276 | unsigned long s, ns; | |
277 | struct event *event; | |
278 | int type; | |
279 | int pid; | |
280 | ||
281 | dSP; | |
282 | ||
283 | type = trace_parse_common_type(data); | |
284 | ||
285 | event = find_cache_event(type); | |
286 | if (!event) | |
287 | die("ug! no event found for type %d", type); | |
288 | ||
289 | pid = trace_parse_common_pid(data); | |
290 | ||
291 | sprintf(handler, "%s::%s", event->system, event->name); | |
292 | ||
293 | s = nsecs / NSECS_PER_SEC; | |
294 | ns = nsecs - s * NSECS_PER_SEC; | |
295 | ||
296 | scripting_context->event_data = data; | |
297 | ||
298 | ENTER; | |
299 | SAVETMPS; | |
300 | PUSHMARK(SP); | |
301 | ||
302 | XPUSHs(sv_2mortal(newSVpv(handler, 0))); | |
303 | XPUSHs(sv_2mortal(newSViv(PTR2IV(scripting_context)))); | |
304 | XPUSHs(sv_2mortal(newSVuv(cpu))); | |
305 | XPUSHs(sv_2mortal(newSVuv(s))); | |
306 | XPUSHs(sv_2mortal(newSVuv(ns))); | |
307 | XPUSHs(sv_2mortal(newSViv(pid))); | |
308 | XPUSHs(sv_2mortal(newSVpv(comm, 0))); | |
309 | ||
310 | /* common fields other than pid can be accessed via xsub fns */ | |
311 | ||
312 | for (field = event->format.fields; field; field = field->next) { | |
313 | if (field->flags & FIELD_IS_STRING) { | |
314 | int offset; | |
315 | if (field->flags & FIELD_IS_DYNAMIC) { | |
316 | offset = *(int *)(data + field->offset); | |
317 | offset &= 0xffff; | |
318 | } else | |
319 | offset = field->offset; | |
320 | XPUSHs(sv_2mortal(newSVpv((char *)data + offset, 0))); | |
321 | } else { /* FIELD_IS_NUMERIC */ | |
322 | val = read_size(data + field->offset, field->size); | |
323 | if (field->flags & FIELD_IS_SIGNED) { | |
324 | XPUSHs(sv_2mortal(newSViv(val))); | |
325 | } else { | |
326 | XPUSHs(sv_2mortal(newSVuv(val))); | |
327 | } | |
328 | } | |
329 | } | |
330 | ||
331 | PUTBACK; | |
d1b93772 | 332 | |
16c632de TZ |
333 | if (get_cv(handler, 0)) |
334 | call_pv(handler, G_SCALAR); | |
335 | else if (get_cv("main::trace_unhandled", 0)) { | |
336 | XPUSHs(sv_2mortal(newSVpv(handler, 0))); | |
337 | XPUSHs(sv_2mortal(newSViv(PTR2IV(scripting_context)))); | |
338 | XPUSHs(sv_2mortal(newSVuv(cpu))); | |
339 | XPUSHs(sv_2mortal(newSVuv(nsecs))); | |
340 | XPUSHs(sv_2mortal(newSViv(pid))); | |
341 | XPUSHs(sv_2mortal(newSVpv(comm, 0))); | |
342 | call_pv("main::trace_unhandled", G_SCALAR); | |
343 | } | |
344 | SPAGAIN; | |
345 | PUTBACK; | |
346 | FREETMPS; | |
347 | LEAVE; | |
348 | } | |
349 | ||
350 | static void run_start_sub(void) | |
351 | { | |
352 | dSP; /* access to Perl stack */ | |
353 | PUSHMARK(SP); | |
354 | ||
355 | if (get_cv("main::trace_begin", 0)) | |
356 | call_pv("main::trace_begin", G_DISCARD | G_NOARGS); | |
357 | } | |
358 | ||
359 | /* | |
360 | * Start trace script | |
361 | */ | |
362 | static int perl_start_script(const char *script) | |
363 | { | |
364 | const char *command_line[2] = { "", NULL }; | |
365 | ||
366 | command_line[1] = script; | |
367 | ||
368 | my_perl = perl_alloc(); | |
369 | perl_construct(my_perl); | |
370 | ||
d1b93772 TZ |
371 | if (perl_parse(my_perl, xs_init, 2, (char **)command_line, |
372 | (char **)NULL)) | |
16c632de TZ |
373 | return -1; |
374 | ||
375 | perl_run(my_perl); | |
376 | if (SvTRUE(ERRSV)) | |
377 | return -1; | |
378 | ||
379 | run_start_sub(); | |
380 | ||
381 | fprintf(stderr, "perf trace started with Perl script %s\n\n", script); | |
382 | ||
383 | return 0; | |
384 | } | |
385 | ||
386 | /* | |
387 | * Stop trace script | |
388 | */ | |
389 | static int perl_stop_script(void) | |
390 | { | |
391 | dSP; /* access to Perl stack */ | |
392 | PUSHMARK(SP); | |
393 | ||
394 | if (get_cv("main::trace_end", 0)) | |
395 | call_pv("main::trace_end", G_DISCARD | G_NOARGS); | |
396 | ||
397 | perl_destruct(my_perl); | |
398 | perl_free(my_perl); | |
399 | ||
400 | fprintf(stderr, "\nperf trace Perl script stopped\n"); | |
401 | ||
402 | return 0; | |
403 | } | |
404 | ||
405 | static int perl_generate_script(const char *outfile) | |
406 | { | |
407 | struct event *event = NULL; | |
408 | struct format_field *f; | |
409 | char fname[PATH_MAX]; | |
410 | int not_first, count; | |
411 | FILE *ofp; | |
412 | ||
413 | sprintf(fname, "%s.pl", outfile); | |
414 | ofp = fopen(fname, "w"); | |
415 | if (ofp == NULL) { | |
416 | fprintf(stderr, "couldn't open %s\n", fname); | |
417 | return -1; | |
418 | } | |
419 | ||
420 | fprintf(ofp, "# perf trace event handlers, " | |
421 | "generated by perf trace -g perl\n"); | |
422 | ||
423 | fprintf(ofp, "# Licensed under the terms of the GNU GPL" | |
424 | " License version 2\n\n"); | |
425 | ||
426 | fprintf(ofp, "# The common_* event handler fields are the most useful " | |
427 | "fields common to\n"); | |
428 | ||
429 | fprintf(ofp, "# all events. They don't necessarily correspond to " | |
430 | "the 'common_*' fields\n"); | |
431 | ||
432 | fprintf(ofp, "# in the format files. Those fields not available as " | |
433 | "handler params can\n"); | |
434 | ||
435 | fprintf(ofp, "# be retrieved using Perl functions of the form " | |
436 | "common_*($context).\n"); | |
437 | ||
438 | fprintf(ofp, "# See Context.pm for the list of available " | |
439 | "functions.\n\n"); | |
440 | ||
441 | fprintf(ofp, "use lib \"$ENV{'PERF_EXEC_PATH'}/scripts/perl/" | |
442 | "Perf-Trace-Util/lib\";\n"); | |
443 | ||
444 | fprintf(ofp, "use lib \"./Perf-Trace-Util/lib\";\n"); | |
445 | fprintf(ofp, "use Perf::Trace::Core;\n"); | |
446 | fprintf(ofp, "use Perf::Trace::Context;\n"); | |
447 | fprintf(ofp, "use Perf::Trace::Util;\n\n"); | |
448 | ||
449 | fprintf(ofp, "sub trace_begin\n{\n\t# optional\n}\n\n"); | |
450 | fprintf(ofp, "sub trace_end\n{\n\t# optional\n}\n\n"); | |
451 | ||
452 | while ((event = trace_find_next_event(event))) { | |
453 | fprintf(ofp, "sub %s::%s\n{\n", event->system, event->name); | |
454 | fprintf(ofp, "\tmy ("); | |
455 | ||
456 | fprintf(ofp, "$event_name, "); | |
457 | fprintf(ofp, "$context, "); | |
458 | fprintf(ofp, "$common_cpu, "); | |
459 | fprintf(ofp, "$common_secs, "); | |
460 | fprintf(ofp, "$common_nsecs,\n"); | |
461 | fprintf(ofp, "\t $common_pid, "); | |
462 | fprintf(ofp, "$common_comm,\n\t "); | |
463 | ||
464 | not_first = 0; | |
465 | count = 0; | |
466 | ||
467 | for (f = event->format.fields; f; f = f->next) { | |
468 | if (not_first++) | |
469 | fprintf(ofp, ", "); | |
470 | if (++count % 5 == 0) | |
471 | fprintf(ofp, "\n\t "); | |
472 | ||
473 | fprintf(ofp, "$%s", f->name); | |
474 | } | |
475 | fprintf(ofp, ") = @_;\n\n"); | |
476 | ||
477 | fprintf(ofp, "\tprint_header($event_name, $common_cpu, " | |
478 | "$common_secs, $common_nsecs,\n\t " | |
479 | "$common_pid, $common_comm);\n\n"); | |
480 | ||
481 | fprintf(ofp, "\tprintf(\""); | |
482 | ||
483 | not_first = 0; | |
484 | count = 0; | |
485 | ||
486 | for (f = event->format.fields; f; f = f->next) { | |
487 | if (not_first++) | |
488 | fprintf(ofp, ", "); | |
489 | if (count && count % 4 == 0) { | |
490 | fprintf(ofp, "\".\n\t \""); | |
491 | } | |
492 | count++; | |
493 | ||
494 | fprintf(ofp, "%s=", f->name); | |
495 | if (f->flags & FIELD_IS_STRING || | |
496 | f->flags & FIELD_IS_FLAG || | |
497 | f->flags & FIELD_IS_SYMBOLIC) | |
498 | fprintf(ofp, "%%s"); | |
499 | else if (f->flags & FIELD_IS_SIGNED) | |
500 | fprintf(ofp, "%%d"); | |
501 | else | |
502 | fprintf(ofp, "%%u"); | |
503 | } | |
504 | ||
505 | fprintf(ofp, "\\n\",\n\t "); | |
506 | ||
507 | not_first = 0; | |
508 | count = 0; | |
509 | ||
510 | for (f = event->format.fields; f; f = f->next) { | |
511 | if (not_first++) | |
512 | fprintf(ofp, ", "); | |
513 | ||
514 | if (++count % 5 == 0) | |
515 | fprintf(ofp, "\n\t "); | |
516 | ||
517 | if (f->flags & FIELD_IS_FLAG) { | |
518 | if ((count - 1) % 5 != 0) { | |
519 | fprintf(ofp, "\n\t "); | |
520 | count = 4; | |
521 | } | |
522 | fprintf(ofp, "flag_str(\""); | |
523 | fprintf(ofp, "%s::%s\", ", event->system, | |
524 | event->name); | |
525 | fprintf(ofp, "\"%s\", $%s)", f->name, | |
526 | f->name); | |
527 | } else if (f->flags & FIELD_IS_SYMBOLIC) { | |
528 | if ((count - 1) % 5 != 0) { | |
529 | fprintf(ofp, "\n\t "); | |
530 | count = 4; | |
531 | } | |
532 | fprintf(ofp, "symbol_str(\""); | |
533 | fprintf(ofp, "%s::%s\", ", event->system, | |
534 | event->name); | |
535 | fprintf(ofp, "\"%s\", $%s)", f->name, | |
536 | f->name); | |
537 | } else | |
538 | fprintf(ofp, "$%s", f->name); | |
539 | } | |
540 | ||
541 | fprintf(ofp, ");\n"); | |
542 | fprintf(ofp, "}\n\n"); | |
543 | } | |
544 | ||
545 | fprintf(ofp, "sub trace_unhandled\n{\n\tmy ($event_name, $context, " | |
546 | "$common_cpu, $common_secs, $common_nsecs,\n\t " | |
547 | "$common_pid, $common_comm) = @_;\n\n"); | |
548 | ||
549 | fprintf(ofp, "\tprint_header($event_name, $common_cpu, " | |
550 | "$common_secs, $common_nsecs,\n\t $common_pid, " | |
551 | "$common_comm);\n}\n\n"); | |
552 | ||
553 | fprintf(ofp, "sub print_header\n{\n" | |
554 | "\tmy ($event_name, $cpu, $secs, $nsecs, $pid, $comm) = @_;\n\n" | |
555 | "\tprintf(\"%%-20s %%5u %%05u.%%09u %%8u %%-20s \",\n\t " | |
556 | "$event_name, $cpu, $secs, $nsecs, $pid, $comm);\n}"); | |
557 | ||
558 | fclose(ofp); | |
559 | ||
560 | fprintf(stderr, "generated Perl script: %s\n", fname); | |
561 | ||
562 | return 0; | |
563 | } | |
564 | ||
565 | struct scripting_ops perl_scripting_ops = { | |
566 | .name = "Perl", | |
567 | .start_script = perl_start_script, | |
568 | .stop_script = perl_stop_script, | |
569 | .process_event = perl_process_event, | |
570 | .generate_script = perl_generate_script, | |
571 | }; | |
572 | ||
67a6259e | 573 | static void print_unsupported_msg(void) |
16c632de TZ |
574 | { |
575 | fprintf(stderr, "Perl scripting not supported." | |
67a6259e TZ |
576 | " Install libperl and rebuild perf to enable it.\n" |
577 | "For example:\n # apt-get install libperl-dev (ubuntu)" | |
578 | "\n # yum install perl-ExtUtils-Embed (Fedora)" | |
579 | "\n etc.\n"); | |
16c632de | 580 | } |
67a6259e TZ |
581 | |
582 | static int perl_start_script_unsupported(const char *script __unused) | |
583 | { | |
584 | print_unsupported_msg(); | |
585 | ||
586 | return -1; | |
587 | } | |
588 | ||
589 | static int perl_stop_script_unsupported(void) | |
590 | { | |
591 | return 0; | |
592 | } | |
593 | ||
594 | static void perl_process_event_unsupported(int cpu __unused, | |
595 | void *data __unused, | |
596 | int size __unused, | |
597 | unsigned long long nsecs __unused, | |
598 | char *comm __unused) | |
599 | { | |
600 | } | |
601 | ||
602 | static int perl_generate_script_unsupported(const char *outfile __unused) | |
603 | { | |
604 | print_unsupported_msg(); | |
605 | ||
606 | return -1; | |
607 | } | |
608 | ||
609 | struct scripting_ops perl_scripting_unsupported_ops = { | |
610 | .name = "Perl", | |
611 | .start_script = perl_start_script_unsupported, | |
612 | .stop_script = perl_stop_script_unsupported, | |
613 | .process_event = perl_process_event_unsupported, | |
614 | .generate_script = perl_generate_script_unsupported, | |
615 | }; | |
616 | ||
617 | static void register_perl_scripting(struct scripting_ops *scripting_ops) | |
16c632de TZ |
618 | { |
619 | int err; | |
67a6259e | 620 | err = script_spec_register("Perl", scripting_ops); |
16c632de TZ |
621 | if (err) |
622 | die("error registering Perl script extension"); | |
623 | ||
67a6259e | 624 | err = script_spec_register("pl", scripting_ops); |
16c632de TZ |
625 | if (err) |
626 | die("error registering pl script extension"); | |
627 | ||
628 | scripting_context = malloc(sizeof(struct scripting_context)); | |
629 | } | |
67a6259e TZ |
630 | |
631 | #ifdef NO_LIBPERL | |
632 | void setup_perl_scripting(void) | |
633 | { | |
634 | register_perl_scripting(&perl_scripting_unsupported_ops); | |
635 | } | |
636 | #else | |
637 | void setup_perl_scripting(void) | |
638 | { | |
639 | register_perl_scripting(&perl_scripting_ops); | |
640 | } | |
16c632de | 641 | #endif |