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      1 /*	$NetBSD: db_kernel.c,v 1.4 2020/05/31 23:34:34 rin Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2009 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Andrew Doran.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #include <sys/cdefs.h>
     33 __KERNEL_RCSID(0, "$NetBSD: db_kernel.c,v 1.4 2020/05/31 23:34:34 rin Exp $");
     34 
     35 #include <sys/param.h>
     36 #include <sys/kmem.h>
     37 
     38 #include <ddb/ddb.h>
     39 
     40 /*
     41  * XXX
     42  * These routines are *not* intended for a DDB session:
     43  *
     44  * - It disturbes on-going debugged kernel datastructures.
     45  *
     46  * - DDB can be running in the interrupt context, e.g., when activated from
     47  *   console. This results in assertion failures in the allocator.
     48  *
     49  * Use these only for permanent data storage when initializing DDB.
     50  */
     51 
     52 void *
     53 db_alloc(size_t sz)
     54 {
     55 
     56 	return kmem_alloc(sz, KM_SLEEP);
     57 }
     58 
     59 void *
     60 db_zalloc(size_t sz)
     61 {
     62 
     63 	return kmem_zalloc(sz, KM_SLEEP);
     64 }
     65 
     66 void
     67 db_free(void *p, size_t sz)
     68 {
     69 
     70 	kmem_free(p, sz);
     71 }
     72