Move files to match FreeBSD layout

1 files changed, 540 insertions, 0 deletions

diff --git a/freebsd/sys/kern/kern_mib.c b/freebsd/sys/kern/kern_mib.c
new file mode 100644
index 00000000..0acf89e5
--- /dev/null
+++ b/freebsd/sys/kern/kern_mib.c
@@ -0,0 +1,540 @@
+#include <freebsd/machine/rtems-bsd-config.h>
+
+/*-
+ * Copyright (c) 1982, 1986, 1989, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Mike Karels at Berkeley Software Design, Inc.
+ *
+ * Quite extensively rewritten by Poul-Henning Kamp of the FreeBSD
+ * project, to make these variables more userfriendly.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)kern_sysctl.c	8.4 (Berkeley) 4/14/94
+ */
+
+#include <freebsd/sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <freebsd/local/opt_compat.h>
+#include <freebsd/local/opt_posix.h>
+#include <freebsd/local/opt_config.h>
+
+#include <freebsd/sys/param.h>
+#include <freebsd/sys/kernel.h>
+#ifndef __rtems__

+#include <freebsd/sys/sbuf.h>
+#endif

+#include <freebsd/sys/systm.h>
+#include <freebsd/sys/sysctl.h>
+#include <freebsd/sys/proc.h>
+#ifndef __rtems__
+#include <freebsd/sys/lock.h>
+#include <freebsd/sys/mutex.h>
+#include <freebsd/sys/jail.h>
+#include <freebsd/sys/smp.h>
+#include <freebsd/sys/sx.h>
+#endif

+#include <freebsd/sys/unistd.h>
+

+#ifdef __rtems__

+char machine[] = "SET ME";

+char osrelease[] = RTEMS_VERSION;

+char ostype[] = "RTEMS";

+#endif

+
+SYSCTL_NODE(, 0,	  sysctl, CTLFLAG_RW, 0,
+	"Sysctl internal magic");
+SYSCTL_NODE(, CTL_KERN,	  kern,   CTLFLAG_RW, 0,
+	"High kernel, proc, limits &c");
+#ifndef __rtems__
+SYSCTL_NODE(, CTL_VM,	  vm,     CTLFLAG_RW, 0,
+	"Virtual memory");
+SYSCTL_NODE(, CTL_VFS,	  vfs,     CTLFLAG_RW, 0,
+	"File system");
+#endif
+SYSCTL_NODE(, CTL_NET,	  net,    CTLFLAG_RW, 0,
+	"Network, (see socket.h)");
+#ifndef __rtems__
+SYSCTL_NODE(, CTL_DEBUG,  debug,  CTLFLAG_RW, 0,
+	"Debugging");
+SYSCTL_NODE(_debug, OID_AUTO,  sizeof,  CTLFLAG_RW, 0,
+	"Sizeof various things");
+SYSCTL_NODE(, CTL_HW,	  hw,     CTLFLAG_RW, 0,
+	"hardware");
+SYSCTL_NODE(, CTL_MACHDEP, machdep, CTLFLAG_RW, 0,
+	"machine dependent");
+SYSCTL_NODE(, CTL_USER,	  user,   CTLFLAG_RW, 0,
+	"user-level");
+SYSCTL_NODE(, CTL_P1003_1B,  p1003_1b,   CTLFLAG_RW, 0,
+	"p1003_1b, (see p1003_1b.h)");
+
+SYSCTL_NODE(, OID_AUTO,  compat, CTLFLAG_RW, 0,
+	"Compatibility code");
+#endif /* __rtems__ */
+SYSCTL_NODE(, OID_AUTO, security, CTLFLAG_RW, 0,
+     	"Security");
+#ifndef __rtems__
+#ifdef REGRESSION
+SYSCTL_NODE(, OID_AUTO, regression, CTLFLAG_RW, 0,
+     "Regression test MIB");
+#endif
+
+SYSCTL_STRING(_kern, OID_AUTO, ident, CTLFLAG_RD|CTLFLAG_MPSAFE,
+    kern_ident, 0, "Kernel identifier");
+#endif /* __rtems__ */
+
+SYSCTL_STRING(_kern, KERN_OSRELEASE, osrelease, CTLFLAG_RD|CTLFLAG_MPSAFE,
+    osrelease, 0, "Operating system release");
+
+SYSCTL_INT(_kern, KERN_OSREV, osrevision, CTLFLAG_RD,
+    0, BSD, "Operating system revision");
+
+#ifndef __rtems__
+SYSCTL_STRING(_kern, KERN_VERSION, version, CTLFLAG_RD|CTLFLAG_MPSAFE,
+    version, 0, "Kernel version");
+#endif
+
+SYSCTL_STRING(_kern, KERN_OSTYPE, ostype, CTLFLAG_RD|CTLFLAG_MPSAFE,
+    ostype, 0, "Operating system type");
+
+#ifndef __rtems__
+/*
+ * NOTICE: The *userland* release date is available in
+ * /usr/include/osreldate.h
+ */
+SYSCTL_INT(_kern, KERN_OSRELDATE, osreldate, CTLFLAG_RD,
+    &osreldate, 0, "Kernel release date");
+
+SYSCTL_INT(_kern, KERN_MAXPROC, maxproc, CTLFLAG_RDTUN,
+    &maxproc, 0, "Maximum number of processes");
+
+SYSCTL_INT(_kern, KERN_MAXPROCPERUID, maxprocperuid, CTLFLAG_RW,
+    &maxprocperuid, 0, "Maximum processes allowed per userid");
+
+SYSCTL_INT(_kern, OID_AUTO, maxusers, CTLFLAG_RDTUN,
+    &maxusers, 0, "Hint for kernel tuning");
+
+SYSCTL_INT(_kern, KERN_ARGMAX, argmax, CTLFLAG_RD,
+    0, ARG_MAX, "Maximum bytes of argument to execve(2)");
+
+SYSCTL_INT(_kern, KERN_POSIX1, posix1version, CTLFLAG_RD,
+    0, _POSIX_VERSION, "Version of POSIX attempting to comply to");
+
+SYSCTL_INT(_kern, KERN_NGROUPS, ngroups, CTLFLAG_RDTUN,
+    &ngroups_max, 0,
+    "Maximum number of supplemental groups a user can belong to");
+
+SYSCTL_INT(_kern, KERN_JOB_CONTROL, job_control, CTLFLAG_RD,
+    0, 1, "Whether job control is available");
+
+#ifdef _POSIX_SAVED_IDS
+SYSCTL_INT(_kern, KERN_SAVED_IDS, saved_ids, CTLFLAG_RD,
+    0, 1, "Whether saved set-group/user ID is available");
+#else
+SYSCTL_INT(_kern, KERN_SAVED_IDS, saved_ids, CTLFLAG_RD,
+    0, 0, "Whether saved set-group/user ID is available");
+#endif
+
+char kernelname[MAXPATHLEN] = "/kernel";	/* XXX bloat */
+
+SYSCTL_STRING(_kern, KERN_BOOTFILE, bootfile, CTLFLAG_RW,
+    kernelname, sizeof kernelname, "Name of kernel file booted");
+
+SYSCTL_INT(_hw, HW_NCPU, ncpu, CTLFLAG_RD,
+    &mp_ncpus, 0, "Number of active CPUs");
+
+SYSCTL_INT(_hw, HW_BYTEORDER, byteorder, CTLFLAG_RD,
+    0, BYTE_ORDER, "System byte order");
+
+SYSCTL_INT(_hw, HW_PAGESIZE, pagesize, CTLFLAG_RD,
+    0, PAGE_SIZE, "System memory page size");
+
+static int
+sysctl_kern_arnd(SYSCTL_HANDLER_ARGS)
+{
+	char buf[256];
+	size_t len;
+
+	len = req->oldlen;
+	if (len > sizeof(buf))
+		len = sizeof(buf);
+	arc4rand(buf, len, 0);
+	return (SYSCTL_OUT(req, buf, len));
+}
+
+SYSCTL_PROC(_kern, KERN_ARND, arandom,
+    CTLTYPE_OPAQUE | CTLFLAG_RD | CTLFLAG_MPSAFE, NULL, 0,
+    sysctl_kern_arnd, "", "arc4rand");
+
+static int
+sysctl_hw_physmem(SYSCTL_HANDLER_ARGS)
+{
+	u_long val;
+
+	val = ctob(physmem);
+	return (sysctl_handle_long(oidp, &val, 0, req));
+}
+
+SYSCTL_PROC(_hw, HW_PHYSMEM, physmem, CTLTYPE_ULONG | CTLFLAG_RD,
+	0, 0, sysctl_hw_physmem, "LU", "");
+
+static int
+sysctl_hw_realmem(SYSCTL_HANDLER_ARGS)
+{
+	u_long val;
+	val = ctob(realmem);
+	return (sysctl_handle_long(oidp, &val, 0, req));
+}
+SYSCTL_PROC(_hw, HW_REALMEM, realmem, CTLTYPE_ULONG | CTLFLAG_RD,
+	0, 0, sysctl_hw_realmem, "LU", "");
+static int
+sysctl_hw_usermem(SYSCTL_HANDLER_ARGS)
+{
+	u_long val;
+
+	val = ctob(physmem - cnt.v_wire_count);
+	return (sysctl_handle_long(oidp, &val, 0, req));
+}
+
+SYSCTL_PROC(_hw, HW_USERMEM, usermem, CTLTYPE_ULONG | CTLFLAG_RD,
+	0, 0, sysctl_hw_usermem, "LU", "");
+
+SYSCTL_ULONG(_hw, OID_AUTO, availpages, CTLFLAG_RD, &physmem, 0, "");
+
+u_long pagesizes[MAXPAGESIZES] = { PAGE_SIZE };
+
+static int
+sysctl_hw_pagesizes(SYSCTL_HANDLER_ARGS)
+{
+	int error;
+#ifdef SCTL_MASK32
+	int i;
+	uint32_t pagesizes32[MAXPAGESIZES];
+
+	if (req->flags & SCTL_MASK32) {
+		/*
+		 * Recreate the "pagesizes" array with 32-bit elements.  Truncate
+		 * any page size greater than UINT32_MAX to zero.
+		 */
+		for (i = 0; i < MAXPAGESIZES; i++)
+			pagesizes32[i] = (uint32_t)pagesizes[i];
+
+		error = SYSCTL_OUT(req, pagesizes32, sizeof(pagesizes32));
+	} else
+#endif
+		error = SYSCTL_OUT(req, pagesizes, sizeof(pagesizes));
+	return (error);
+}
+SYSCTL_PROC(_hw, OID_AUTO, pagesizes, CTLTYPE_ULONG | CTLFLAG_RD,
+    NULL, 0, sysctl_hw_pagesizes, "LU", "Supported page sizes");
+
+#ifdef SCTL_MASK32
+int adaptive_machine_arch = 1;
+SYSCTL_INT(_debug, OID_AUTO, adaptive_machine_arch, CTLFLAG_RW,
+    &adaptive_machine_arch, 1,
+    "Adapt reported machine architecture to the ABI of the binary");
+#endif
+
+static int
+sysctl_hw_machine_arch(SYSCTL_HANDLER_ARGS)
+{
+	int error;
+	static const char machine_arch[] = MACHINE_ARCH;
+#ifdef SCTL_MASK32
+	static const char machine_arch32[] = MACHINE_ARCH32;
+
+	if ((req->flags & SCTL_MASK32) != 0 && adaptive_machine_arch)
+		error = SYSCTL_OUT(req, machine_arch32, sizeof(machine_arch32));
+	else
+#endif
+		error = SYSCTL_OUT(req, machine_arch, sizeof(machine_arch));
+	return (error);
+
+}
+SYSCTL_PROC(_hw, HW_MACHINE_ARCH, machine_arch, CTLTYPE_STRING | CTLFLAG_RD,
+    NULL, 0, sysctl_hw_machine_arch, "A", "System architecture");
+
+static int
+sysctl_hostname(SYSCTL_HANDLER_ARGS)
+{
+	struct prison *pr, *cpr;
+	size_t pr_offset;
+	char tmpname[MAXHOSTNAMELEN];
+	int descend, error, len;
+
+	/*
+	 * This function can set: hostname domainname hostuuid.
+	 * Keep that in mind when comments say "hostname".
+	 */
+	pr_offset = (size_t)arg1;
+	len = arg2;
+	KASSERT(len <= sizeof(tmpname),
+	    ("length %d too long for %s", len, __func__));
+
+	pr = req->td->td_ucred->cr_prison;
+	if (!(pr->pr_allow & PR_ALLOW_SET_HOSTNAME) && req->newptr)
+		return (EPERM);
+	/*
+	 * Make a local copy of hostname to get/set so we don't have to hold
+	 * the jail mutex during the sysctl copyin/copyout activities.
+	 */
+	mtx_lock(&pr->pr_mtx);
+	bcopy((char *)pr + pr_offset, tmpname, len);
+	mtx_unlock(&pr->pr_mtx);
+
+	error = sysctl_handle_string(oidp, tmpname, len, req);
+
+	if (req->newptr != NULL && error == 0) {
+		/*
+		 * Copy the locally set hostname to all jails that share
+		 * this host info.
+		 */
+		sx_slock(&allprison_lock);
+		while (!(pr->pr_flags & PR_HOST))
+			pr = pr->pr_parent;
+		mtx_lock(&pr->pr_mtx);
+		bcopy(tmpname, (char *)pr + pr_offset, len);
+		FOREACH_PRISON_DESCENDANT_LOCKED(pr, cpr, descend)
+			if (cpr->pr_flags & PR_HOST)
+				descend = 0;
+			else
+				bcopy(tmpname, (char *)cpr + pr_offset, len);
+		mtx_unlock(&pr->pr_mtx);
+		sx_sunlock(&allprison_lock);
+	}
+	return (error);
+}
+
+SYSCTL_PROC(_kern, KERN_HOSTNAME, hostname,
+    CTLTYPE_STRING | CTLFLAG_RW | CTLFLAG_PRISON | CTLFLAG_MPSAFE,
+    (void *)(offsetof(struct prison, pr_hostname)), MAXHOSTNAMELEN,
+    sysctl_hostname, "A", "Hostname");
+SYSCTL_PROC(_kern, KERN_NISDOMAINNAME, domainname,
+    CTLTYPE_STRING | CTLFLAG_RW | CTLFLAG_PRISON | CTLFLAG_MPSAFE,
+    (void *)(offsetof(struct prison, pr_domainname)), MAXHOSTNAMELEN,
+    sysctl_hostname, "A", "Name of the current YP/NIS domain");
+SYSCTL_PROC(_kern, KERN_HOSTUUID, hostuuid,
+    CTLTYPE_STRING | CTLFLAG_RW | CTLFLAG_PRISON | CTLFLAG_MPSAFE,
+    (void *)(offsetof(struct prison, pr_hostuuid)), HOSTUUIDLEN,
+    sysctl_hostname, "A", "Host UUID");
+
+static int	regression_securelevel_nonmonotonic = 0;
+
+#ifdef REGRESSION
+SYSCTL_INT(_regression, OID_AUTO, securelevel_nonmonotonic, CTLFLAG_RW,
+    &regression_securelevel_nonmonotonic, 0, "securelevel may be lowered");
+#endif
+
+static int
+sysctl_kern_securelvl(SYSCTL_HANDLER_ARGS)
+{
+	struct prison *pr, *cpr;
+	int descend, error, level;
+
+	pr = req->td->td_ucred->cr_prison;
+
+	/*
+	 * Reading the securelevel is easy, since the current jail's level
+	 * is known to be at least as secure as any higher levels.  Perform
+	 * a lockless read since the securelevel is an integer.
+	 */
+	level = pr->pr_securelevel;
+	error = sysctl_handle_int(oidp, &level, 0, req);
+	if (error || !req->newptr)
+		return (error);
+	/* Permit update only if the new securelevel exceeds the old. */
+	sx_slock(&allprison_lock);
+	mtx_lock(&pr->pr_mtx);
+	if (!regression_securelevel_nonmonotonic &&
+	    level < pr->pr_securelevel) {
+		mtx_unlock(&pr->pr_mtx);
+		sx_sunlock(&allprison_lock);
+		return (EPERM);
+	}
+	pr->pr_securelevel = level;
+	/*
+	 * Set all child jails to be at least this level, but do not lower
+	 * them (even if regression_securelevel_nonmonotonic).
+	 */
+	FOREACH_PRISON_DESCENDANT_LOCKED(pr, cpr, descend) {
+		if (cpr->pr_securelevel < level)
+			cpr->pr_securelevel = level;
+	}
+	mtx_unlock(&pr->pr_mtx);
+	sx_sunlock(&allprison_lock);
+	return (error);
+}
+
+SYSCTL_PROC(_kern, KERN_SECURELVL, securelevel,
+    CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_PRISON, 0, 0, sysctl_kern_securelvl,
+    "I", "Current secure level");
+
+#ifdef INCLUDE_CONFIG_FILE
+/* Actual kernel configuration options. */
+extern char kernconfstring[];
+
+static int
+sysctl_kern_config(SYSCTL_HANDLER_ARGS)
+{
+	return (sysctl_handle_string(oidp, kernconfstring,
+	    strlen(kernconfstring), req));
+}
+
+SYSCTL_PROC(_kern, OID_AUTO, conftxt, CTLTYPE_STRING|CTLFLAG_RW,
+    0, 0, sysctl_kern_config, "", "Kernel configuration file");
+#endif
+
+static int
+sysctl_hostid(SYSCTL_HANDLER_ARGS)
+{
+	struct prison *pr, *cpr;
+	u_long tmpid;
+	int descend, error;
+
+	/*
+	 * Like sysctl_hostname, except it operates on a u_long
+	 * instead of a string, and is used only for hostid.
+	 */
+	pr = req->td->td_ucred->cr_prison;
+	if (!(pr->pr_allow & PR_ALLOW_SET_HOSTNAME) && req->newptr)
+		return (EPERM);
+	tmpid = pr->pr_hostid;
+	error = sysctl_handle_long(oidp, &tmpid, 0, req);
+
+	if (req->newptr != NULL && error == 0) {
+		sx_slock(&allprison_lock);
+		while (!(pr->pr_flags & PR_HOST))
+			pr = pr->pr_parent;
+		mtx_lock(&pr->pr_mtx);
+		pr->pr_hostid = tmpid;
+		FOREACH_PRISON_DESCENDANT_LOCKED(pr, cpr, descend)
+			if (cpr->pr_flags & PR_HOST)
+				descend = 0;
+			else
+				cpr->pr_hostid = tmpid;
+		mtx_unlock(&pr->pr_mtx);
+		sx_sunlock(&allprison_lock);
+	}
+	return (error);
+}
+
+SYSCTL_PROC(_kern, KERN_HOSTID, hostid,
+    CTLTYPE_ULONG | CTLFLAG_RW | CTLFLAG_PRISON | CTLFLAG_MPSAFE,
+    NULL, 0, sysctl_hostid, "LU", "Host ID");
+
+#endif
+SYSCTL_NODE(_kern, OID_AUTO, features, CTLFLAG_RD, 0, "Kernel Features");
+#ifndef __rtems__
+
+#ifdef COMPAT_FREEBSD4
+FEATURE(compat_freebsd4, "Compatible with FreeBSD 4");
+#endif
+
+#ifdef COMPAT_FREEBSD5
+FEATURE(compat_freebsd5, "Compatible with FreeBSD 5");
+#endif
+
+#ifdef COMPAT_FREEBSD6
+FEATURE(compat_freebsd6, "Compatible with FreeBSD 6");
+#endif
+
+#ifdef COMPAT_FREEBSD7
+FEATURE(compat_freebsd7, "Compatible with FreeBSD 7");
+#endif
+
+/*
+ * This is really cheating.  These actually live in the libc, something
+ * which I'm not quite sure is a good idea anyway, but in order for
+ * getnext and friends to actually work, we define dummies here.
+ */
+SYSCTL_STRING(_user, USER_CS_PATH, cs_path, CTLFLAG_RD,
+    "", 0, "PATH that finds all the standard utilities");
+SYSCTL_INT(_user, USER_BC_BASE_MAX, bc_base_max, CTLFLAG_RD,
+    0, 0, "Max ibase/obase values in bc(1)");
+SYSCTL_INT(_user, USER_BC_DIM_MAX, bc_dim_max, CTLFLAG_RD,
+    0, 0, "Max array size in bc(1)");
+SYSCTL_INT(_user, USER_BC_SCALE_MAX, bc_scale_max, CTLFLAG_RD,
+    0, 0, "Max scale value in bc(1)");
+SYSCTL_INT(_user, USER_BC_STRING_MAX, bc_string_max, CTLFLAG_RD,
+    0, 0, "Max string length in bc(1)");
+SYSCTL_INT(_user, USER_COLL_WEIGHTS_MAX, coll_weights_max, CTLFLAG_RD,
+    0, 0, "Maximum number of weights assigned to an LC_COLLATE locale entry");
+SYSCTL_INT(_user, USER_EXPR_NEST_MAX, expr_nest_max, CTLFLAG_RD, 0, 0, "");
+SYSCTL_INT(_user, USER_LINE_MAX, line_max, CTLFLAG_RD,
+    0, 0, "Max length (bytes) of a text-processing utility's input line");
+SYSCTL_INT(_user, USER_RE_DUP_MAX, re_dup_max, CTLFLAG_RD,
+    0, 0, "Maximum number of repeats of a regexp permitted");
+SYSCTL_INT(_user, USER_POSIX2_VERSION, posix2_version, CTLFLAG_RD,
+    0, 0,
+    "The version of POSIX 1003.2 with which the system attempts to comply");
+SYSCTL_INT(_user, USER_POSIX2_C_BIND, posix2_c_bind, CTLFLAG_RD,
+    0, 0, "Whether C development supports the C bindings option");
+SYSCTL_INT(_user, USER_POSIX2_C_DEV, posix2_c_dev, CTLFLAG_RD,
+    0, 0, "Whether system supports the C development utilities option");
+SYSCTL_INT(_user, USER_POSIX2_CHAR_TERM, posix2_char_term, CTLFLAG_RD,
+    0, 0, "");
+SYSCTL_INT(_user, USER_POSIX2_FORT_DEV, posix2_fort_dev, CTLFLAG_RD,
+    0, 0, "Whether system supports FORTRAN development utilities");
+SYSCTL_INT(_user, USER_POSIX2_FORT_RUN, posix2_fort_run, CTLFLAG_RD,
+    0, 0, "Whether system supports FORTRAN runtime utilities");
+SYSCTL_INT(_user, USER_POSIX2_LOCALEDEF, posix2_localedef, CTLFLAG_RD,
+    0, 0, "Whether system supports creation of locales");
+SYSCTL_INT(_user, USER_POSIX2_SW_DEV, posix2_sw_dev, CTLFLAG_RD,
+    0, 0, "Whether system supports software development utilities");
+SYSCTL_INT(_user, USER_POSIX2_UPE, posix2_upe, CTLFLAG_RD,
+    0, 0, "Whether system supports the user portability utilities");
+SYSCTL_INT(_user, USER_STREAM_MAX, stream_max, CTLFLAG_RD,
+    0, 0, "Min Maximum number of streams a process may have open at one time");
+SYSCTL_INT(_user, USER_TZNAME_MAX, tzname_max, CTLFLAG_RD,
+    0, 0, "Min Maximum number of types supported for timezone names");
+
+#include <freebsd/sys/vnode.h>
+SYSCTL_INT(_debug_sizeof, OID_AUTO, vnode, CTLFLAG_RD,
+    0, sizeof(struct vnode), "sizeof(struct vnode)");
+
+SYSCTL_INT(_debug_sizeof, OID_AUTO, proc, CTLFLAG_RD,
+    0, sizeof(struct proc), "sizeof(struct proc)");
+
+#include <freebsd/sys/bio.h>
+#include <freebsd/sys/buf.h>
+SYSCTL_INT(_debug_sizeof, OID_AUTO, bio, CTLFLAG_RD,
+    0, sizeof(struct bio), "sizeof(struct bio)");
+SYSCTL_INT(_debug_sizeof, OID_AUTO, buf, CTLFLAG_RD,
+    0, sizeof(struct buf), "sizeof(struct buf)");
+
+#include <freebsd/sys/user.h>
+SYSCTL_INT(_debug_sizeof, OID_AUTO, kinfo_proc, CTLFLAG_RD,
+    0, sizeof(struct kinfo_proc), "sizeof(struct kinfo_proc)");
+
+/* XXX compatibility, remove for 6.0 */
+#include <freebsd/sys/imgact.h>
+#include <freebsd/sys/imgact_elf.h>
+SYSCTL_INT(_kern, OID_AUTO, fallback_elf_brand, CTLFLAG_RW,
+    &__elfN(fallback_brand), sizeof(__elfN(fallback_brand)),
+    "compatibility for kern.fallback_elf_brand");
+#endif /* __rtems__ */