1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #include <ctf_impl.h> 28 #include <sys/kobj.h> 29 #include <sys/kobj_impl.h> 30 31 /* 32 * This module is used both during the normal operation of the kernel (i.e. 33 * after kmem has been initialized) and during boot (before unix`_start has 34 * been called). kobj_alloc is able to tell the difference between the two 35 * cases, and as such must be used instead of kmem_alloc. 36 */ 37 38 void * 39 ctf_data_alloc(size_t size) 40 { 41 void *buf = kobj_alloc(size, KM_NOWAIT|KM_SCRATCH); 42 43 if (buf == NULL) 44 return (MAP_FAILED); 45 46 return (buf); 47 } 48 49 void 50 ctf_data_free(void *buf, size_t size) 51 { 52 kobj_free(buf, size); 53 } 54 55 /*ARGSUSED*/ 56 void 57 ctf_data_protect(void *buf, size_t size) 58 { 59 /* we don't support this operation in the kernel */ 60 } 61 62 void * 63 ctf_alloc(size_t size) 64 { 65 return (kobj_alloc(size, KM_NOWAIT|KM_TMP)); 66 } 67 68 /*ARGSUSED*/ 69 void 70 ctf_free(void *buf, size_t size) 71 { 72 kobj_free(buf, size); 73 } 74 75 /*ARGSUSED*/ 76 const char * 77 ctf_strerror(int err) 78 { 79 return (NULL); /* we don't support this operation in the kernel */ 80 } 81 82 /*PRINTFLIKE1*/ 83 void 84 ctf_dprintf(const char *format, ...) 85 { 86 if (_libctf_debug) { 87 va_list alist; 88 89 va_start(alist, format); 90 (void) printf("ctf DEBUG: "); 91 (void) vprintf(format, alist); 92 va_end(alist); 93 } 94 } 95