381a2a9a387f449fab7d0c7e97c4184c26963abfdr/*
381a2a9a387f449fab7d0c7e97c4184c26963abfdr * CDDL HEADER START
381a2a9a387f449fab7d0c7e97c4184c26963abfdr *
381a2a9a387f449fab7d0c7e97c4184c26963abfdr * The contents of this file are subject to the terms of the
381a2a9a387f449fab7d0c7e97c4184c26963abfdr * Common Development and Distribution License (the "License").
381a2a9a387f449fab7d0c7e97c4184c26963abfdr * You may not use this file except in compliance with the License.
381a2a9a387f449fab7d0c7e97c4184c26963abfdr *
381a2a9a387f449fab7d0c7e97c4184c26963abfdr * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
381a2a9a387f449fab7d0c7e97c4184c26963abfdr * or http://www.opensolaris.org/os/licensing.
381a2a9a387f449fab7d0c7e97c4184c26963abfdr * See the License for the specific language governing permissions
381a2a9a387f449fab7d0c7e97c4184c26963abfdr * and limitations under the License.
381a2a9a387f449fab7d0c7e97c4184c26963abfdr *
381a2a9a387f449fab7d0c7e97c4184c26963abfdr * When distributing Covered Code, include this CDDL HEADER in each
381a2a9a387f449fab7d0c7e97c4184c26963abfdr * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
381a2a9a387f449fab7d0c7e97c4184c26963abfdr * If applicable, add the following below this CDDL HEADER, with the
381a2a9a387f449fab7d0c7e97c4184c26963abfdr * fields enclosed by brackets "[]" replaced with your own identifying
381a2a9a387f449fab7d0c7e97c4184c26963abfdr * information: Portions Copyright [yyyy] [name of copyright owner]
381a2a9a387f449fab7d0c7e97c4184c26963abfdr *
381a2a9a387f449fab7d0c7e97c4184c26963abfdr * CDDL HEADER END
381a2a9a387f449fab7d0c7e97c4184c26963abfdr */
381a2a9a387f449fab7d0c7e97c4184c26963abfdr/*
7ddc9b1afd18f260b9fb78ec7732facd91769131Darren Reed * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
381a2a9a387f449fab7d0c7e97c4184c26963abfdr * Use is subject to license terms.
381a2a9a387f449fab7d0c7e97c4184c26963abfdr */
381a2a9a387f449fab7d0c7e97c4184c26963abfdr
381a2a9a387f449fab7d0c7e97c4184c26963abfdr#include <sys/types.h>
381a2a9a387f449fab7d0c7e97c4184c26963abfdr#include <sys/rwlock.h>
381a2a9a387f449fab7d0c7e97c4184c26963abfdr#include <mdb/mdb_modapi.h>
381a2a9a387f449fab7d0c7e97c4184c26963abfdr#include <sys/queue.h>
f4b3ec61df05330d25f55a36b975b4d7519fdeb1dh#include <inet/ip.h>
381a2a9a387f449fab7d0c7e97c4184c26963abfdr#include <sys/hook.h>
381a2a9a387f449fab7d0c7e97c4184c26963abfdr#include <sys/hook_impl.h>
381a2a9a387f449fab7d0c7e97c4184c26963abfdr
381a2a9a387f449fab7d0c7e97c4184c26963abfdr#define MAX_LENGTH 64
381a2a9a387f449fab7d0c7e97c4184c26963abfdr
381a2a9a387f449fab7d0c7e97c4184c26963abfdr/*
381a2a9a387f449fab7d0c7e97c4184c26963abfdr * List pfhooks hook list information.
381a2a9a387f449fab7d0c7e97c4184c26963abfdr */
381a2a9a387f449fab7d0c7e97c4184c26963abfdr/*ARGSUSED*/
381a2a9a387f449fab7d0c7e97c4184c26963abfdrint
381a2a9a387f449fab7d0c7e97c4184c26963abfdrhooklist(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
381a2a9a387f449fab7d0c7e97c4184c26963abfdr{
381a2a9a387f449fab7d0c7e97c4184c26963abfdr hook_event_int_t hr;
381a2a9a387f449fab7d0c7e97c4184c26963abfdr hook_int_t hl, *hlp;
381a2a9a387f449fab7d0c7e97c4184c26963abfdr char hrstr[MAX_LENGTH];
381a2a9a387f449fab7d0c7e97c4184c26963abfdr GElf_Sym sym;
381a2a9a387f449fab7d0c7e97c4184c26963abfdr char buf[MDB_SYM_NAMLEN + 1];
7ddc9b1afd18f260b9fb78ec7732facd91769131Darren Reed char *hintname;
7ddc9b1afd18f260b9fb78ec7732facd91769131Darren Reed hook_t *h;
381a2a9a387f449fab7d0c7e97c4184c26963abfdr
381a2a9a387f449fab7d0c7e97c4184c26963abfdr if (argc)
381a2a9a387f449fab7d0c7e97c4184c26963abfdr return (DCMD_USAGE);
381a2a9a387f449fab7d0c7e97c4184c26963abfdr
381a2a9a387f449fab7d0c7e97c4184c26963abfdr if (mdb_vread((void *)&hr, sizeof (hr), (uintptr_t)addr) == -1) {
381a2a9a387f449fab7d0c7e97c4184c26963abfdr mdb_warn("couldn't read hook register at %p", addr);
381a2a9a387f449fab7d0c7e97c4184c26963abfdr return (DCMD_ERR);
381a2a9a387f449fab7d0c7e97c4184c26963abfdr }
381a2a9a387f449fab7d0c7e97c4184c26963abfdr
7ddc9b1afd18f260b9fb78ec7732facd91769131Darren Reed mdb_printf("%<u>%?s %8s %20s %4s %24s %24s%</u>\n",
7ddc9b1afd18f260b9fb78ec7732facd91769131Darren Reed "ADDR", "FLAG", "FUNC", "HINT", "NAME", "HINTVALUE");
7ddc9b1afd18f260b9fb78ec7732facd91769131Darren Reed h = &hl.hi_hook;
381a2a9a387f449fab7d0c7e97c4184c26963abfdr hlp = TAILQ_FIRST(&hr.hei_head);
381a2a9a387f449fab7d0c7e97c4184c26963abfdr while (hlp) {
381a2a9a387f449fab7d0c7e97c4184c26963abfdr if (mdb_vread((void *)&hl, sizeof (hl),
381a2a9a387f449fab7d0c7e97c4184c26963abfdr (uintptr_t)hlp) == -1) {
381a2a9a387f449fab7d0c7e97c4184c26963abfdr mdb_warn("couldn't read hook list at %p",
381a2a9a387f449fab7d0c7e97c4184c26963abfdr hlp);
381a2a9a387f449fab7d0c7e97c4184c26963abfdr return (DCMD_ERR);
381a2a9a387f449fab7d0c7e97c4184c26963abfdr }
7ddc9b1afd18f260b9fb78ec7732facd91769131Darren Reed if (!h->h_name) {
7ddc9b1afd18f260b9fb78ec7732facd91769131Darren Reed mdb_warn("hook list at %p has null role", h);
381a2a9a387f449fab7d0c7e97c4184c26963abfdr return (DCMD_ERR);
381a2a9a387f449fab7d0c7e97c4184c26963abfdr }
381a2a9a387f449fab7d0c7e97c4184c26963abfdr if (mdb_readstr((char *)hrstr, sizeof (hrstr),
7ddc9b1afd18f260b9fb78ec7732facd91769131Darren Reed (uintptr_t)h->h_name) == -1) {
7ddc9b1afd18f260b9fb78ec7732facd91769131Darren Reed mdb_warn("couldn't read list role at %p", h->h_name);
381a2a9a387f449fab7d0c7e97c4184c26963abfdr return (DCMD_ERR);
381a2a9a387f449fab7d0c7e97c4184c26963abfdr }
7ddc9b1afd18f260b9fb78ec7732facd91769131Darren Reed switch (h->h_hint) {
7ddc9b1afd18f260b9fb78ec7732facd91769131Darren Reed case HH_BEFORE :
7ddc9b1afd18f260b9fb78ec7732facd91769131Darren Reed case HH_AFTER :
7ddc9b1afd18f260b9fb78ec7732facd91769131Darren Reed hintname = h->h_hintvalue ?
7ddc9b1afd18f260b9fb78ec7732facd91769131Darren Reed (char *)h->h_hintvalue : "";
7ddc9b1afd18f260b9fb78ec7732facd91769131Darren Reed break;
7ddc9b1afd18f260b9fb78ec7732facd91769131Darren Reed default :
7ddc9b1afd18f260b9fb78ec7732facd91769131Darren Reed hintname = "";
7ddc9b1afd18f260b9fb78ec7732facd91769131Darren Reed break;
7ddc9b1afd18f260b9fb78ec7732facd91769131Darren Reed }
7ddc9b1afd18f260b9fb78ec7732facd91769131Darren Reed if (mdb_lookup_by_addr((uintptr_t)h->h_func,
381a2a9a387f449fab7d0c7e97c4184c26963abfdr MDB_SYM_EXACT, buf, sizeof (buf), &sym) == -1)
7ddc9b1afd18f260b9fb78ec7732facd91769131Darren Reed mdb_printf("%0?p %8x %0?p %4d %24s %24s\n",
7ddc9b1afd18f260b9fb78ec7732facd91769131Darren Reed hlp, h->h_flags, h->h_func,
7ddc9b1afd18f260b9fb78ec7732facd91769131Darren Reed h->h_hint, hrstr, hintname);
381a2a9a387f449fab7d0c7e97c4184c26963abfdr else
7ddc9b1afd18f260b9fb78ec7732facd91769131Darren Reed mdb_printf("%0?p %8x %20s %4d %24s %24s\n",
7ddc9b1afd18f260b9fb78ec7732facd91769131Darren Reed hlp, h->h_flags, buf,
7ddc9b1afd18f260b9fb78ec7732facd91769131Darren Reed h->h_hint, hrstr, hintname);
381a2a9a387f449fab7d0c7e97c4184c26963abfdr hlp = TAILQ_NEXT(&hl, hi_entry);
381a2a9a387f449fab7d0c7e97c4184c26963abfdr }
381a2a9a387f449fab7d0c7e97c4184c26963abfdr return (DCMD_OK);
381a2a9a387f449fab7d0c7e97c4184c26963abfdr}
381a2a9a387f449fab7d0c7e97c4184c26963abfdr
381a2a9a387f449fab7d0c7e97c4184c26963abfdr/*
381a2a9a387f449fab7d0c7e97c4184c26963abfdr * List pfhooks event information.
381a2a9a387f449fab7d0c7e97c4184c26963abfdr * List the hooks information in verbose mode as well.
381a2a9a387f449fab7d0c7e97c4184c26963abfdr */
381a2a9a387f449fab7d0c7e97c4184c26963abfdr/*ARGSUSED*/
381a2a9a387f449fab7d0c7e97c4184c26963abfdrint
381a2a9a387f449fab7d0c7e97c4184c26963abfdrhookeventlist(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
381a2a9a387f449fab7d0c7e97c4184c26963abfdr{
381a2a9a387f449fab7d0c7e97c4184c26963abfdr hook_family_int_t hf;
381a2a9a387f449fab7d0c7e97c4184c26963abfdr hook_event_int_t hr, *hrp;
381a2a9a387f449fab7d0c7e97c4184c26963abfdr hook_event_t hp;
381a2a9a387f449fab7d0c7e97c4184c26963abfdr char hprstr[MAX_LENGTH];
381a2a9a387f449fab7d0c7e97c4184c26963abfdr
381a2a9a387f449fab7d0c7e97c4184c26963abfdr if (argc)
381a2a9a387f449fab7d0c7e97c4184c26963abfdr return (DCMD_USAGE);
381a2a9a387f449fab7d0c7e97c4184c26963abfdr
381a2a9a387f449fab7d0c7e97c4184c26963abfdr if (mdb_vread((void *)&hf, sizeof (hf), (uintptr_t)addr) == -1) {
381a2a9a387f449fab7d0c7e97c4184c26963abfdr mdb_warn("couldn't read hook family at %p", addr);
381a2a9a387f449fab7d0c7e97c4184c26963abfdr return (DCMD_ERR);
381a2a9a387f449fab7d0c7e97c4184c26963abfdr }
381a2a9a387f449fab7d0c7e97c4184c26963abfdr
381a2a9a387f449fab7d0c7e97c4184c26963abfdr mdb_printf("%<u>%?s %10s %20s%</u>\n", "ADDR", "FLAG", "NAME");
381a2a9a387f449fab7d0c7e97c4184c26963abfdr hrp = SLIST_FIRST(&hf.hfi_head);
381a2a9a387f449fab7d0c7e97c4184c26963abfdr while (hrp) {
381a2a9a387f449fab7d0c7e97c4184c26963abfdr if (mdb_vread((void *)&hr, sizeof (hr), (uintptr_t)hrp) == -1) {
381a2a9a387f449fab7d0c7e97c4184c26963abfdr mdb_warn("couldn't read hook register at %p", hrp);
381a2a9a387f449fab7d0c7e97c4184c26963abfdr return (DCMD_ERR);
381a2a9a387f449fab7d0c7e97c4184c26963abfdr }
381a2a9a387f449fab7d0c7e97c4184c26963abfdr if (!hr.hei_event) {
381a2a9a387f449fab7d0c7e97c4184c26963abfdr mdb_warn("hook register at %p has no hook provider",
381a2a9a387f449fab7d0c7e97c4184c26963abfdr hrp);
381a2a9a387f449fab7d0c7e97c4184c26963abfdr return (DCMD_ERR);
381a2a9a387f449fab7d0c7e97c4184c26963abfdr }
381a2a9a387f449fab7d0c7e97c4184c26963abfdr if (mdb_vread((void *)&hp, sizeof (hp),
381a2a9a387f449fab7d0c7e97c4184c26963abfdr (uintptr_t)hr.hei_event) == -1) {
381a2a9a387f449fab7d0c7e97c4184c26963abfdr mdb_warn("hook provider at %p has null role",
381a2a9a387f449fab7d0c7e97c4184c26963abfdr hr.hei_event);
381a2a9a387f449fab7d0c7e97c4184c26963abfdr return (DCMD_ERR);
381a2a9a387f449fab7d0c7e97c4184c26963abfdr }
381a2a9a387f449fab7d0c7e97c4184c26963abfdr if (!hp.he_name) {
381a2a9a387f449fab7d0c7e97c4184c26963abfdr mdb_warn("hook provider at %p has null role",
381a2a9a387f449fab7d0c7e97c4184c26963abfdr hr.hei_event);
381a2a9a387f449fab7d0c7e97c4184c26963abfdr return (DCMD_ERR);
381a2a9a387f449fab7d0c7e97c4184c26963abfdr }
381a2a9a387f449fab7d0c7e97c4184c26963abfdr if (mdb_readstr((char *)hprstr, sizeof (hprstr),
381a2a9a387f449fab7d0c7e97c4184c26963abfdr (uintptr_t)hp.he_name) == -1) {
381a2a9a387f449fab7d0c7e97c4184c26963abfdr mdb_warn("couldn't read provider role at %p",
381a2a9a387f449fab7d0c7e97c4184c26963abfdr hp.he_name);
381a2a9a387f449fab7d0c7e97c4184c26963abfdr return (DCMD_ERR);
381a2a9a387f449fab7d0c7e97c4184c26963abfdr }
381a2a9a387f449fab7d0c7e97c4184c26963abfdr mdb_printf("%0?p %10x %20s\n", hrp, hp.he_flags, hprstr);
381a2a9a387f449fab7d0c7e97c4184c26963abfdr hrp = SLIST_NEXT(&hr, hei_entry);
381a2a9a387f449fab7d0c7e97c4184c26963abfdr }
381a2a9a387f449fab7d0c7e97c4184c26963abfdr
381a2a9a387f449fab7d0c7e97c4184c26963abfdr return (DCMD_OK);
381a2a9a387f449fab7d0c7e97c4184c26963abfdr}
381a2a9a387f449fab7d0c7e97c4184c26963abfdr
381a2a9a387f449fab7d0c7e97c4184c26963abfdr/*
381a2a9a387f449fab7d0c7e97c4184c26963abfdr * List pfhooks family information.
381a2a9a387f449fab7d0c7e97c4184c26963abfdr */
381a2a9a387f449fab7d0c7e97c4184c26963abfdr/*ARGSUSED*/
381a2a9a387f449fab7d0c7e97c4184c26963abfdrint
381a2a9a387f449fab7d0c7e97c4184c26963abfdrhookrootlist(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
381a2a9a387f449fab7d0c7e97c4184c26963abfdr{
f4b3ec61df05330d25f55a36b975b4d7519fdeb1dh struct hook_stack *hks;
381a2a9a387f449fab7d0c7e97c4184c26963abfdr hook_family_int_head_t hfh;
381a2a9a387f449fab7d0c7e97c4184c26963abfdr hook_family_int_t hf, *hfp;
381a2a9a387f449fab7d0c7e97c4184c26963abfdr char hrrstr[MAX_LENGTH];
381a2a9a387f449fab7d0c7e97c4184c26963abfdr
381a2a9a387f449fab7d0c7e97c4184c26963abfdr if (argc)
381a2a9a387f449fab7d0c7e97c4184c26963abfdr return (DCMD_USAGE);
381a2a9a387f449fab7d0c7e97c4184c26963abfdr
f4b3ec61df05330d25f55a36b975b4d7519fdeb1dh if (mdb_vread((void *)&hks, sizeof (hks),
f4b3ec61df05330d25f55a36b975b4d7519fdeb1dh (uintptr_t)(addr + OFFSETOF(netstack_t, netstack_hook))) == -1) {
f4b3ec61df05330d25f55a36b975b4d7519fdeb1dh mdb_warn("couldn't read netstack_hook");
f4b3ec61df05330d25f55a36b975b4d7519fdeb1dh return (DCMD_ERR);
f4b3ec61df05330d25f55a36b975b4d7519fdeb1dh }
f4b3ec61df05330d25f55a36b975b4d7519fdeb1dh
f4b3ec61df05330d25f55a36b975b4d7519fdeb1dh if (mdb_vread((void *)&hfh, sizeof (hfh), (uintptr_t)((uintptr_t)hks +
f4b3ec61df05330d25f55a36b975b4d7519fdeb1dh OFFSETOF(hook_stack_t, hks_familylist))) == -1) {
f4b3ec61df05330d25f55a36b975b4d7519fdeb1dh mdb_warn("couldn't read hook family head");
381a2a9a387f449fab7d0c7e97c4184c26963abfdr return (DCMD_ERR);
381a2a9a387f449fab7d0c7e97c4184c26963abfdr }
381a2a9a387f449fab7d0c7e97c4184c26963abfdr
381a2a9a387f449fab7d0c7e97c4184c26963abfdr mdb_printf("%<u>%?s %10s%</u>\n", "ADDR", "FAMILY");
381a2a9a387f449fab7d0c7e97c4184c26963abfdr hfp = SLIST_FIRST(&hfh);
381a2a9a387f449fab7d0c7e97c4184c26963abfdr while (hfp) {
381a2a9a387f449fab7d0c7e97c4184c26963abfdr if (mdb_vread((void *)&hf, sizeof (hf), (uintptr_t)hfp) == -1) {
381a2a9a387f449fab7d0c7e97c4184c26963abfdr mdb_warn("couldn't read hook family at %p", hfp);
381a2a9a387f449fab7d0c7e97c4184c26963abfdr return (DCMD_ERR);
381a2a9a387f449fab7d0c7e97c4184c26963abfdr }
381a2a9a387f449fab7d0c7e97c4184c26963abfdr if (!hf.hfi_family.hf_name) {
381a2a9a387f449fab7d0c7e97c4184c26963abfdr mdb_warn("hook root at %p has null role",
381a2a9a387f449fab7d0c7e97c4184c26963abfdr hf.hfi_family);
381a2a9a387f449fab7d0c7e97c4184c26963abfdr return (DCMD_ERR);
381a2a9a387f449fab7d0c7e97c4184c26963abfdr }
381a2a9a387f449fab7d0c7e97c4184c26963abfdr if (mdb_readstr((char *)hrrstr, sizeof (hrrstr),
381a2a9a387f449fab7d0c7e97c4184c26963abfdr (uintptr_t)hf.hfi_family.hf_name) == -1) {
381a2a9a387f449fab7d0c7e97c4184c26963abfdr mdb_warn("couldn't read root role at %p",
381a2a9a387f449fab7d0c7e97c4184c26963abfdr hf.hfi_family.hf_name);
381a2a9a387f449fab7d0c7e97c4184c26963abfdr return (DCMD_ERR);
381a2a9a387f449fab7d0c7e97c4184c26963abfdr }
381a2a9a387f449fab7d0c7e97c4184c26963abfdr mdb_printf("%0?p %10s\n", hfp, hrrstr);
381a2a9a387f449fab7d0c7e97c4184c26963abfdr hfp = SLIST_NEXT(&hf, hfi_entry);
381a2a9a387f449fab7d0c7e97c4184c26963abfdr }
381a2a9a387f449fab7d0c7e97c4184c26963abfdr
381a2a9a387f449fab7d0c7e97c4184c26963abfdr return (DCMD_OK);
381a2a9a387f449fab7d0c7e97c4184c26963abfdr}
381a2a9a387f449fab7d0c7e97c4184c26963abfdr
381a2a9a387f449fab7d0c7e97c4184c26963abfdr
381a2a9a387f449fab7d0c7e97c4184c26963abfdrstatic int
f4b3ec61df05330d25f55a36b975b4d7519fdeb1dhhookevent_stack_walk_init(mdb_walk_state_t *wsp)
381a2a9a387f449fab7d0c7e97c4184c26963abfdr{
381a2a9a387f449fab7d0c7e97c4184c26963abfdr hook_family_int_t hf;
381a2a9a387f449fab7d0c7e97c4184c26963abfdr
381a2a9a387f449fab7d0c7e97c4184c26963abfdr if (wsp->walk_addr == NULL) {
381a2a9a387f449fab7d0c7e97c4184c26963abfdr mdb_warn("global walk not supported\n");
381a2a9a387f449fab7d0c7e97c4184c26963abfdr return (WALK_ERR);
381a2a9a387f449fab7d0c7e97c4184c26963abfdr }
381a2a9a387f449fab7d0c7e97c4184c26963abfdr
381a2a9a387f449fab7d0c7e97c4184c26963abfdr if (mdb_vread((void *)&hf, sizeof (hf),
381a2a9a387f449fab7d0c7e97c4184c26963abfdr (uintptr_t)wsp->walk_addr) == -1) {
381a2a9a387f449fab7d0c7e97c4184c26963abfdr mdb_warn("couldn't read hook family at %p", wsp->walk_addr);
381a2a9a387f449fab7d0c7e97c4184c26963abfdr return (DCMD_ERR);
381a2a9a387f449fab7d0c7e97c4184c26963abfdr }
381a2a9a387f449fab7d0c7e97c4184c26963abfdr wsp->walk_addr = (uintptr_t)SLIST_FIRST(&hf.hfi_head);
381a2a9a387f449fab7d0c7e97c4184c26963abfdr return (wsp->walk_callback(wsp->walk_addr, wsp->walk_data,
7ddc9b1afd18f260b9fb78ec7732facd91769131Darren Reed wsp->walk_cbdata));
381a2a9a387f449fab7d0c7e97c4184c26963abfdr}
381a2a9a387f449fab7d0c7e97c4184c26963abfdr
381a2a9a387f449fab7d0c7e97c4184c26963abfdrstatic int
f4b3ec61df05330d25f55a36b975b4d7519fdeb1dhhookevent_stack_walk_step(mdb_walk_state_t *wsp)
381a2a9a387f449fab7d0c7e97c4184c26963abfdr{
381a2a9a387f449fab7d0c7e97c4184c26963abfdr hook_event_int_t hr;
381a2a9a387f449fab7d0c7e97c4184c26963abfdr
381a2a9a387f449fab7d0c7e97c4184c26963abfdr if (mdb_vread((void *)&hr, sizeof (hr),
381a2a9a387f449fab7d0c7e97c4184c26963abfdr (uintptr_t)wsp->walk_addr) == -1) {
381a2a9a387f449fab7d0c7e97c4184c26963abfdr mdb_warn("couldn't read hook event at %p", wsp->walk_addr);
381a2a9a387f449fab7d0c7e97c4184c26963abfdr return (DCMD_ERR);
381a2a9a387f449fab7d0c7e97c4184c26963abfdr }
381a2a9a387f449fab7d0c7e97c4184c26963abfdr wsp->walk_addr = (uintptr_t)SLIST_NEXT(&hr, hei_entry);
381a2a9a387f449fab7d0c7e97c4184c26963abfdr if (wsp->walk_addr == NULL)
381a2a9a387f449fab7d0c7e97c4184c26963abfdr return (WALK_DONE);
381a2a9a387f449fab7d0c7e97c4184c26963abfdr return (wsp->walk_callback(wsp->walk_addr, wsp->walk_data,
7ddc9b1afd18f260b9fb78ec7732facd91769131Darren Reed wsp->walk_cbdata));
381a2a9a387f449fab7d0c7e97c4184c26963abfdr}
381a2a9a387f449fab7d0c7e97c4184c26963abfdr
381a2a9a387f449fab7d0c7e97c4184c26963abfdrstatic const mdb_dcmd_t dcmds[] = {
381a2a9a387f449fab7d0c7e97c4184c26963abfdr { "hookrootlist", "", "display hook family information", hookrootlist },
381a2a9a387f449fab7d0c7e97c4184c26963abfdr { "hookeventlist", "", "display hook event information",
381a2a9a387f449fab7d0c7e97c4184c26963abfdr hookeventlist, NULL },
381a2a9a387f449fab7d0c7e97c4184c26963abfdr { "hooklist", "", "display hooks", hooklist },
381a2a9a387f449fab7d0c7e97c4184c26963abfdr { NULL }
381a2a9a387f449fab7d0c7e97c4184c26963abfdr};
381a2a9a387f449fab7d0c7e97c4184c26963abfdr
381a2a9a387f449fab7d0c7e97c4184c26963abfdrstatic const mdb_walker_t walkers[] = {
f4b3ec61df05330d25f55a36b975b4d7519fdeb1dh { "hookevent_stack", "walk list of hooks",
f4b3ec61df05330d25f55a36b975b4d7519fdeb1dh hookevent_stack_walk_init, hookevent_stack_walk_step, NULL },
381a2a9a387f449fab7d0c7e97c4184c26963abfdr { NULL }
381a2a9a387f449fab7d0c7e97c4184c26963abfdr};
381a2a9a387f449fab7d0c7e97c4184c26963abfdr
381a2a9a387f449fab7d0c7e97c4184c26963abfdrstatic const mdb_modinfo_t modinfo = { MDB_API_VERSION, dcmds, walkers };
381a2a9a387f449fab7d0c7e97c4184c26963abfdr
381a2a9a387f449fab7d0c7e97c4184c26963abfdrconst mdb_modinfo_t *
381a2a9a387f449fab7d0c7e97c4184c26963abfdr_mdb_init(void)
381a2a9a387f449fab7d0c7e97c4184c26963abfdr{
381a2a9a387f449fab7d0c7e97c4184c26963abfdr return (&modinfo);
381a2a9a387f449fab7d0c7e97c4184c26963abfdr}