NetBSD/sys/ddb/db_kernel.c

72 lines
2.2 KiB
C

/* $NetBSD: db_kernel.c,v 1.4 2020/05/31 23:34:34 rin Exp $ */
/*-
* Copyright (c) 2009 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Andrew Doran.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: db_kernel.c,v 1.4 2020/05/31 23:34:34 rin Exp $");
#include <sys/param.h>
#include <sys/kmem.h>
#include <ddb/ddb.h>
/*
* XXX
* These routines are *not* intended for a DDB session:
*
* - It disturbes on-going debugged kernel datastructures.
*
* - DDB can be running in the interrupt context, e.g., when activated from
* console. This results in assertion failures in the allocator.
*
* Use these only for permanent data storage when initializing DDB.
*/
void *
db_alloc(size_t sz)
{
return kmem_alloc(sz, KM_SLEEP);
}
void *
db_zalloc(size_t sz)
{
return kmem_zalloc(sz, KM_SLEEP);
}
void
db_free(void *p, size_t sz)
{
kmem_free(p, sz);
}