78 _kvm_err(kvm_t *kd, const char *program, const char *fmt, ...)  in _kvm_err()  argument
88 		(void)vsnprintf(kd->errbuf,  in _kvm_err()
89 		    sizeof(kd->errbuf), fmt, ap);  in _kvm_err()
95 _kvm_syserr(kvm_t *kd, const char *program, const char *fmt, ...)  in _kvm_syserr()  argument
106 		char *cp = kd->errbuf;  in _kvm_syserr()
108 		(void)vsnprintf(cp, sizeof(kd->errbuf), fmt, ap);  in _kvm_syserr()
110 		(void)snprintf(&cp[n], sizeof(kd->errbuf) - n, ": %s",  in _kvm_syserr()
117 _kvm_malloc(kvm_t *kd, size_t n)  in _kvm_malloc()  argument
122 		_kvm_err(kd, kd->program, "can't allocate %zu bytes: %s",  in _kvm_malloc()
128 _kvm_probe_elf_kernel(kvm_t *kd, int class, int machine)  in _kvm_probe_elf_kernel()  argument
131 	return (kd->nlehdr.e_ident[EI_CLASS] == class &&  in _kvm_probe_elf_kernel()
133 	     kd->nlehdr.e_type == ET_DYN : kd->nlehdr.e_type == ET_EXEC) &&  in _kvm_probe_elf_kernel()
134 	    kd->nlehdr.e_machine == machine);  in _kvm_probe_elf_kernel()
138 _kvm_is_minidump(kvm_t *kd)  in _kvm_is_minidump()  argument
142 	if (kd->rawdump)  in _kvm_is_minidump()
144 	if (pread(kd->pmfd, &minihdr, 8, 0) == 8 &&  in _kvm_is_minidump()
159 _kvm_read_core_phdrs(kvm_t *kd, size_t *phnump, GElf_Phdr **phdrp)  in _kvm_read_core_phdrs()  argument
166 	elf = elf_begin(kd->pmfd, ELF_C_READ, NULL);  in _kvm_read_core_phdrs()
168 		_kvm_err(kd, kd->program, "%s", elf_errmsg(0));  in _kvm_read_core_phdrs()
172 		_kvm_err(kd, kd->program, "invalid core");  in _kvm_read_core_phdrs()
175 	if (gelf_getclass(elf) != kd->nlehdr.e_ident[EI_CLASS]) {  in _kvm_read_core_phdrs()
176 		_kvm_err(kd, kd->program, "invalid core");  in _kvm_read_core_phdrs()
180 		_kvm_err(kd, kd->program, "%s", elf_errmsg(0));  in _kvm_read_core_phdrs()
184 		_kvm_err(kd, kd->program, "invalid core");  in _kvm_read_core_phdrs()
187 	if (ehdr.e_machine != kd->nlehdr.e_machine) {  in _kvm_read_core_phdrs()
188 		_kvm_err(kd, kd->program, "invalid core");  in _kvm_read_core_phdrs()
193 		_kvm_err(kd, kd->program, "%s", elf_errmsg(0));  in _kvm_read_core_phdrs()
199 		_kvm_err(kd, kd->program, "failed to allocate phdrs");  in _kvm_read_core_phdrs()
206 			_kvm_err(kd, kd->program, "%s", elf_errmsg(0));  in _kvm_read_core_phdrs()
264 _kvm_pmap_get(kvm_t *kd, u_long idx, size_t len)  in _kvm_pmap_get()  argument
268 	if ((off_t)off >= kd->pt_sparse_off)  in _kvm_pmap_get()
270 	return (void *)((uintptr_t)kd->page_map + off);  in _kvm_pmap_get()
274 _kvm_map_get(kvm_t *kd, u_long pa, unsigned int page_size)  in _kvm_map_get()  argument
279 	off = _kvm_pt_find(kd, pa, page_size);  in _kvm_map_get()
283 	addr = (uintptr_t)kd->page_map + off;  in _kvm_map_get()
284 	if (off >= kd->pt_sparse_off)  in _kvm_map_get()
285 		addr = (uintptr_t)kd->sparse_map + (off - kd->pt_sparse_off);  in _kvm_map_get()
290 _kvm_pt_init(kvm_t *kd, size_t dump_avail_size, off_t dump_avail_off,  in _kvm_pt_init()  argument
299 	kd->dump_avail_size = dump_avail_size;  in _kvm_pt_init()
301 		kd->dump_avail = mmap(NULL, kd->dump_avail_size, PROT_READ,  in _kvm_pt_init()
302 		    MAP_PRIVATE, kd->pmfd, dump_avail_off);  in _kvm_pt_init()
310 		kd->dump_avail = calloc(4, sizeof(uint64_t));  in _kvm_pt_init()
311 		kd->dump_avail[1] = _kvm64toh(kd, map_len * 8 * page_size);  in _kvm_pt_init()
317 	kd->pt_map = _kvm_malloc(kd, map_len);  in _kvm_pt_init()
318 	if (kd->pt_map == NULL) {  in _kvm_pt_init()
319 		_kvm_err(kd, kd->program, "cannot allocate %zu bytes for bitmap",  in _kvm_pt_init()
323 	rd = pread(kd->pmfd, kd->pt_map, map_len, map_off);  in _kvm_pt_init()
325 		_kvm_err(kd, kd->program, "cannot read %zu bytes for bitmap",  in _kvm_pt_init()
329 	kd->pt_map_size = map_len;  in _kvm_pt_init()
342 	addr = kd->pt_map;  in _kvm_pt_init()
345 	kd->pt_popcounts = calloc(pc_bins, sizeof(uint32_t));  in _kvm_pt_init()
346 	if (kd->pt_popcounts == NULL) {  in _kvm_pt_init()
347 		_kvm_err(kd, kd->program, "cannot allocate popcount bins");  in _kvm_pt_init()
351 	for (popcount_bin = &kd->pt_popcounts[1]; res > 0;  in _kvm_pt_init()
363 	    ((uintptr_t)popcount_bin - (uintptr_t)kd->pt_popcounts));  in _kvm_pt_init()
365 	kd->pt_sparse_off = sparse_off;  in _kvm_pt_init()
366 	kd->pt_sparse_size = (uint64_t)*popcount_bin * page_size;  in _kvm_pt_init()
367 	kd->pt_page_size = page_size;  in _kvm_pt_init()
375 	kd->sparse_map = mmap(NULL, kd->pt_sparse_size, PROT_READ,  in _kvm_pt_init()
376 	    MAP_PRIVATE, kd->pmfd, kd->pt_sparse_off);  in _kvm_pt_init()
377 	if (kd->sparse_map == MAP_FAILED) {  in _kvm_pt_init()
378 		_kvm_err(kd, kd->program, "cannot map %" PRIu64  in _kvm_pt_init()
380 		    kd->pt_sparse_size, kd->pmfd,  in _kvm_pt_init()
381 		    (intmax_t)kd->pt_sparse_off, strerror(errno));  in _kvm_pt_init()
388 _kvm_pmap_init(kvm_t *kd, uint32_t pmap_size, off_t pmap_off)  in _kvm_pmap_init()  argument
392 	kd->page_map_size = pmap_size;  in _kvm_pmap_init()
393 	kd->page_map_off = pmap_off;  in _kvm_pmap_init()
394 	kd->page_map = _kvm_malloc(kd, pmap_size);  in _kvm_pmap_init()
395 	if (kd->page_map == NULL) {  in _kvm_pmap_init()
396 		_kvm_err(kd, kd->program, "cannot allocate %u bytes "  in _kvm_pmap_init()
400 	if (pread(kd->pmfd, kd->page_map, pmap_size, pmap_off) != exp_len) {  in _kvm_pmap_init()
401 		_kvm_err(kd, kd->program, "cannot read %d bytes from "  in _kvm_pmap_init()
409 dump_avail_n(kvm_t *kd, long i)  in dump_avail_n()  argument
411 	return (_kvm64toh(kd, kd->dump_avail[i]));  in dump_avail_n()
415 _kvm_pa_bit_id(kvm_t *kd, uint64_t pa, unsigned int page_size)  in _kvm_pa_bit_id()  argument
421 	for (i = 0; dump_avail_n(kd, i + 1) != 0; i += 2) {  in _kvm_pa_bit_id()
422 		if (pa >= dump_avail_n(kd, i + 1)) {  in _kvm_pa_bit_id()
423 			adj += howmany(dump_avail_n(kd, i + 1), page_size) -  in _kvm_pa_bit_id()
424 			    dump_avail_n(kd, i) / page_size;  in _kvm_pa_bit_id()
427 			    dump_avail_n(kd, i) / page_size + adj);  in _kvm_pa_bit_id()
434 _kvm_bit_id_pa(kvm_t *kd, uint64_t bit_id, unsigned int page_size)  in _kvm_bit_id_pa()  argument
439 	for (i = 0; dump_avail_n(kd, i + 1) != 0; i += 2) {  in _kvm_bit_id_pa()
440 		sz = howmany(dump_avail_n(kd, i + 1), page_size) -  in _kvm_bit_id_pa()
441 		    dump_avail_n(kd, i) / page_size;  in _kvm_bit_id_pa()
443 			return (rounddown2(dump_avail_n(kd, i), page_size) +  in _kvm_bit_id_pa()
466 _kvm_pt_find(kvm_t *kd, uint64_t pa, unsigned int page_size)  in _kvm_pt_find()  argument
468 	uint64_t *bitmap = kd->pt_map;  in _kvm_pt_find()
469 	uint64_t pte_bit_id = _kvm_pa_bit_id(kd, pa, page_size);  in _kvm_pt_find()
478 	    pte_bit_id >= (kd->pt_map_size * NBBY) ||  in _kvm_pt_find()
489 		count = kd->pt_popcounts[popcount_id] + popcount_bytes(  in _kvm_pt_find()
501 		    kd->pt_map_size * BITS_IN(uint8_t));  in _kvm_pt_find()
502 		count = kd->pt_popcounts[popcount_id] - popcount_bytes(  in _kvm_pt_find()
511 	if (count >= (kd->pt_sparse_size / page_size))  in _kvm_pt_find()
514 	return (kd->pt_sparse_off + (uint64_t)count * page_size);  in _kvm_pt_find()
518 kvm_fdnlist(kvm_t *kd, struct kvm_nlist *list)  in kvm_fdnlist()  argument
523 	if (kd->resolve_symbol == NULL) {  in kvm_fdnlist()
533 		nfail = __fdnlist(kd->nlfd, nl);  in kvm_fdnlist()
544 		error = kd->resolve_symbol(list->n_name, &addr);  in kvm_fdnlist()
563 kvm_fdnlist_prefix(kvm_t *kd, struct kvm_nlist *nl, int missing,  in kvm_fdnlist_prefix()  argument
621 	unresolved = kvm_fdnlist(kd, np);  in kvm_fdnlist_prefix()
644 				p->n_value = (*validate_fn)(kd, np->n_value);  in kvm_fdnlist_prefix()
661 _kvm_nlist(kvm_t *kd, struct kvm_nlist *nl, int initialize)  in _kvm_nlist()  argument
675 	if (!ISALIVE(kd)) {  in _kvm_nlist()
676 		error = kvm_fdnlist(kd, nl);  in _kvm_nlist()
680 		if (_kvm_vnet_initialized(kd, initialize))  in _kvm_nlist()
681 			error = kvm_fdnlist_prefix(kd, nl, error,  in _kvm_nlist()
684 		if (error > 0 && _kvm_dpcpu_initialized(kd, initialize))  in _kvm_nlist()
685 			error = kvm_fdnlist_prefix(kd, nl, error,  in _kvm_nlist()
718 			if (_kvm_vnet_initialized(kd, initialize) &&  in _kvm_nlist()
721 				    _kvm_vnet_validaddr(kd, lookup.symvalue);  in _kvm_nlist()
722 			else if (_kvm_dpcpu_initialized(kd, initialize) &&  in _kvm_nlist()
725 				    _kvm_dpcpu_validaddr(kd, lookup.symvalue);  in _kvm_nlist()
738 	if (error && _kvm_vnet_initialized(kd, initialize) && !tried_vnet) {  in _kvm_nlist()
743 	if (error && _kvm_dpcpu_initialized(kd, initialize) && !tried_dpcpu) {  in _kvm_nlist()
755 		_kvm_syserr(kd, kd->program, "kvm_nlist");  in _kvm_nlist()
808 _kvm_visit_cb(kvm_t *kd, kvm_walk_pages_cb_t *cb, void *arg, u_long pa,  in _kvm_visit_cb()  argument
819 		.kp_offset = _kvm_pt_find(kd, pa, pgsz),  in _kvm_visit_cb()