usr/src/lib/libctf/common/ctf_subr.c

   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 2003 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 #include <ctf_impl.h>
  28 #include <libctf.h>
  29 #include <sys/mman.h>
  30 #include <stdarg.h>
  31
  32 void *
  33 ctf_data_alloc(size_t size)
  34 {
  35         return (mmap(NULL, size, PROT_READ | PROT_WRITE,
  36             MAP_PRIVATE | MAP_ANON, -1, 0));
  37 }
  38
  39 void
  40 ctf_data_free(void *buf, size_t size)
  41 {
  42         (void) munmap(buf, size);
  43 }
  44
  45 void
  46 ctf_data_protect(void *buf, size_t size)
  47 {
  48         (void) mprotect(buf, size, PROT_READ);
  49 }
  50
  51 void *
  52 ctf_alloc(size_t size)
  53 {
  54         return (malloc(size));
  55 }
  56
  57 void *
  58 mergeq_alloc(size_t size)
  59 {
  60         return (malloc(size));
  61 }
  62
  63 void *
  64 workq_alloc(size_t size)
  65 {
  66         return (malloc(size));
  67 }
  68
  69 /*ARGSUSED*/
  70 void
  71 ctf_free(void *buf, size_t size)
  72 {
  73         free(buf);
  74 }
  75
  76 /*ARGSUSED*/
  77 void
  78 mergeq_free(void *buf, size_t size)
  79 {
  80         free(buf);
  81 }
  82
  83 /*ARGSUSED*/
  84 void
  85 workq_free(void *buf, size_t size)
  86 {
  87         free(buf);
  88 }
  89
  90 const char *
  91 ctf_strerror(int err)
  92 {
  93         return (strerror(err));
  94 }
  95
  96 /*PRINTFLIKE1*/
  97 void
  98 ctf_dprintf(const char *format, ...)
  99 {
 100         if (_libctf_debug) {
 101                 va_list alist;
 102
 103                 va_start(alist, format);
 104                 (void) fputs("libctf DEBUG: ", stderr);
 105                 (void) vfprintf(stderr, format, alist);
 106                 va_end(alist);
 107         }
 108 }