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 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 #include <ctf_impl.h> 30 #include <sys/kobj.h> 31 #include <sys/kobj_impl.h> 32 33 /* 34 * This module is used both during the normal operation of the kernel (i.e. 35 * after kmem has been initialized) and during boot (before unix`_start has 36 * been called). kobj_alloc is able to tell the difference between the two 37 * cases, and as such must be used instead of kmem_alloc. 38 */ 39 40 void * 41 ctf_data_alloc(size_t size) 42 { 43 void *buf = kobj_alloc(size, KM_NOWAIT|KM_SCRATCH); 44 45 if (buf == NULL) 46 return (MAP_FAILED); 47 48 return (buf); 49 } 50 51 void 52 ctf_data_free(void *buf, size_t size) 53 { 54 kobj_free(buf, size); 55 } 56 57 /*ARGSUSED*/ 58 void 59 ctf_data_protect(void *buf, size_t size) 60 { 61 /* we don't support this operation in the kernel */ 62 } 63 64 void * 65 ctf_alloc(size_t size) 66 { 67 return (kobj_alloc(size, KM_NOWAIT|KM_TMP)); 68 } 69 70 /*ARGSUSED*/ 71 void 72 ctf_free(void *buf, size_t size) 73 { 74 kobj_free(buf, size); 75 } 76 77 /*ARGSUSED*/ 78 const char * 79 ctf_strerror(int err) 80 { 81 return (NULL); /* we don't support this operation in the kernel */ 82 } 83 84 /*PRINTFLIKE1*/ 85 void 86 ctf_dprintf(const char *format, ...) 87 { 88 if (_libctf_debug) { 89 va_list alist; 90 91 va_start(alist, format); 92 (void) printf("ctf DEBUG: "); 93 (void) vprintf(format, alist); 94 va_end(alist); 95 } 96 } 97