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