71 static struct addr_location *get_al(struct dlfilter *d)  in get_al()  argument
73 	struct addr_location *al = d->al;  in get_al()
75 	if (!al->thread && machine__resolve(d->machine, al, d->sample) < 0)  in get_al()
80 static struct thread *get_thread(struct dlfilter *d)  in get_thread()  argument
82 	struct addr_location *al = get_al(d);  in get_thread()
89 	struct dlfilter *d = (struct dlfilter *)ctx;  in dlfilter__resolve_ip()  local
90 	struct perf_dlfilter_al *d_al = d->d_ip_al;  in dlfilter__resolve_ip()
93 	if (!d->ctx_valid)  in dlfilter__resolve_ip()
100 	al = get_al(d);  in dlfilter__resolve_ip()
106 	d_al->is_kernel_ip = machine__kernel_ip(d->machine, d->sample->ip);  in dlfilter__resolve_ip()
115 	struct dlfilter *d = (struct dlfilter *)ctx;  in dlfilter__resolve_addr()  local
116 	struct perf_dlfilter_al *d_addr_al = d->d_addr_al;  in dlfilter__resolve_addr()
117 	struct addr_location *addr_al = d->addr_al;  in dlfilter__resolve_addr()
119 	if (!d->ctx_valid || !d->d_sample->addr_correlates_sym)  in dlfilter__resolve_addr()
127 		struct thread *thread = get_thread(d);  in dlfilter__resolve_addr()
131 		thread__resolve(thread, addr_al, d->sample);  in dlfilter__resolve_addr()
136 	d_addr_al->is_kernel_ip = machine__kernel_ip(d->machine, d->sample->addr);  in dlfilter__resolve_addr()
143 	struct dlfilter *d = (struct dlfilter *)ctx;  in dlfilter__args()  local
150 	if (!d->ctx_valid && !d->in_start && !d->in_stop)  in dlfilter__args()
153 	*dlargc = d->dlargc;  in dlfilter__args()
154 	return d->dlargv;  in dlfilter__args()
164 	struct dlfilter *d = (struct dlfilter *)ctx;  in dlfilter__resolve_address()  local
170 	if (!d->ctx_valid || !d_al_p)  in dlfilter__resolve_address()
173 	thread = get_thread(d);  in dlfilter__resolve_address()
178 	thread__find_symbol_fb(thread, d->sample->cpumode, address, &al);  in dlfilter__resolve_address()
182 	d_al.is_kernel_ip = machine__kernel_ip(d->machine, address);  in dlfilter__resolve_address()
215 	struct dlfilter *d = (struct dlfilter *)ctx;  in dlfilter__insn()  local
222 	if (!d->ctx_valid)  in dlfilter__insn()
225 	if (d->sample->ip && !d->sample->insn_len) {  in dlfilter__insn()
226 		struct addr_location *al = d->al;  in dlfilter__insn()
228 		if (!al->thread && machine__resolve(d->machine, al, d->sample) < 0)  in dlfilter__insn()
235 				script_fetch_insn(d->sample, al->thread, machine);  in dlfilter__insn()
239 	if (!d->sample->insn_len)  in dlfilter__insn()
242 	*len = d->sample->insn_len;  in dlfilter__insn()
244 	return (__u8 *)d->sample->insn;  in dlfilter__insn()
249 	struct dlfilter *d = (struct dlfilter *)ctx;  in dlfilter__srcline()  local
257 	if (!d->ctx_valid || !line_no)  in dlfilter__srcline()
260 	al = get_al(d);  in dlfilter__srcline()
277 	struct dlfilter *d = (struct dlfilter *)ctx;  in dlfilter__attr()  local
279 	if (!d->ctx_valid)  in dlfilter__attr()
282 	return &d->evsel->core.attr;  in dlfilter__attr()
297 	struct dlfilter *d = (struct dlfilter *)ctx;  in dlfilter__object_code()  local
302 	if (!d->ctx_valid)  in dlfilter__object_code()
305 	al = get_al(d);  in dlfilter__object_code()
310 	    machine__kernel_ip(d->machine, ip) == machine__kernel_ip(d->machine, d->sample->ip))  in dlfilter__object_code()
311 		return code_read(ip, al->map, d->machine, buf, len);  in dlfilter__object_code()
315 	thread__find_map_fb(al->thread, d->sample->cpumode, ip, &a);  in dlfilter__object_code()
316 	ret = a.map ? code_read(ip, a.map, d->machine, buf, len) : -1;  in dlfilter__object_code()
366 static int dlfilter__init(struct dlfilter *d, const char *file, int dlargc, char **dlargv)  in dlfilter__init()  argument
382 	memset(d, 0, sizeof(*d));  in dlfilter__init()
383 	d->file = find_dlfilter(file);  in dlfilter__init()
384 	if (!d->file)  in dlfilter__init()
386 	d->dlargc = dlargc;  in dlfilter__init()
387 	d->dlargv = dlargv;  in dlfilter__init()
391 static void dlfilter__exit(struct dlfilter *d)  in dlfilter__exit()  argument
393 	zfree(&d->file);  in dlfilter__exit()
396 static int dlfilter__open(struct dlfilter *d)  in dlfilter__open()  argument
398 	d->handle = dlopen(d->file, RTLD_NOW);  in dlfilter__open()
399 	if (!d->handle) {  in dlfilter__open()
400 		pr_err("dlopen failed for: '%s'\n", d->file);  in dlfilter__open()
403 	d->start = dlsym(d->handle, "start");  in dlfilter__open()
404 	d->filter_event = dlsym(d->handle, "filter_event");  in dlfilter__open()
405 	d->filter_event_early = dlsym(d->handle, "filter_event_early");  in dlfilter__open()
406 	d->stop = dlsym(d->handle, "stop");  in dlfilter__open()
407 	d->fns = dlsym(d->handle, "perf_dlfilter_fns");  in dlfilter__open()
408 	if (d->fns)  in dlfilter__open()
409 		memcpy(d->fns, &perf_dlfilter_fns, sizeof(struct perf_dlfilter_fns));  in dlfilter__open()
413 static int dlfilter__close(struct dlfilter *d)  in dlfilter__close()  argument
415 	return dlclose(d->handle);  in dlfilter__close()
420 	struct dlfilter *d = malloc(sizeof(*d));  in dlfilter__new()  local
422 	if (!d)  in dlfilter__new()
425 	if (dlfilter__init(d, file, dlargc, dlargv))  in dlfilter__new()
428 	if (dlfilter__open(d))  in dlfilter__new()
431 	return d;  in dlfilter__new()
434 	dlfilter__exit(d);  in dlfilter__new()
436 	free(d);  in dlfilter__new()
440 static void dlfilter__free(struct dlfilter *d)  in dlfilter__free()  argument
442 	if (d) {  in dlfilter__free()
443 		dlfilter__exit(d);  in dlfilter__free()
444 		free(d);  in dlfilter__free()
448 int dlfilter__start(struct dlfilter *d, struct perf_session *session)  in dlfilter__start()  argument
450 	if (d) {  in dlfilter__start()
451 		d->session = session;  in dlfilter__start()
452 		if (d->start) {  in dlfilter__start()
455 			d->in_start = true;  in dlfilter__start()
456 			ret = d->start(&d->data, d);  in dlfilter__start()
457 			d->in_start = false;  in dlfilter__start()
464 static int dlfilter__stop(struct dlfilter *d)  in dlfilter__stop()  argument
466 	if (d && d->stop) {  in dlfilter__stop()
469 		d->in_stop = true;  in dlfilter__stop()
470 		ret = d->stop(d->data, d);  in dlfilter__stop()
471 		d->in_stop = false;  in dlfilter__stop()
477 void dlfilter__cleanup(struct dlfilter *d)  in dlfilter__cleanup()  argument
479 	if (d) {  in dlfilter__cleanup()
480 		dlfilter__stop(d);  in dlfilter__cleanup()
481 		dlfilter__close(d);  in dlfilter__cleanup()
482 		dlfilter__free(d);  in dlfilter__cleanup()
488 int dlfilter__do_filter_event(struct dlfilter *d,  in dlfilter__do_filter_event()  argument
502 	d->event       = event;  in dlfilter__do_filter_event()
503 	d->sample      = sample;  in dlfilter__do_filter_event()
504 	d->evsel       = evsel;  in dlfilter__do_filter_event()
505 	d->machine     = machine;  in dlfilter__do_filter_event()
506 	d->al          = al;  in dlfilter__do_filter_event()
507 	d->addr_al     = addr_al;  in dlfilter__do_filter_event()
508 	d->d_sample    = &d_sample;  in dlfilter__do_filter_event()
509 	d->d_ip_al     = &d_ip_al;  in dlfilter__do_filter_event()
510 	d->d_addr_al   = &d_addr_al;  in dlfilter__do_filter_event()
566 	d->ctx_valid = true;  in dlfilter__do_filter_event()
569 		ret = d->filter_event_early(d->data, &d_sample, d);  in dlfilter__do_filter_event()
571 		ret = d->filter_event(d->data, &d_sample, d);  in dlfilter__do_filter_event()
573 	d->ctx_valid = false;  in dlfilter__do_filter_event()