diff options
Diffstat (limited to '')
-rw-r--r-- | src/VBox/ExtPacks/VBoxDTrace/onnv/lib/libctf/common/ctf_subr.c | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/src/VBox/ExtPacks/VBoxDTrace/onnv/lib/libctf/common/ctf_subr.c b/src/VBox/ExtPacks/VBoxDTrace/onnv/lib/libctf/common/ctf_subr.c new file mode 100644 index 00000000..7de8069b --- /dev/null +++ b/src/VBox/ExtPacks/VBoxDTrace/onnv/lib/libctf/common/ctf_subr.c @@ -0,0 +1,119 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License, Version 1.0 only + * (the "License"). You may not use this file except in compliance + * with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright 2003 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +#ifndef VBOX +#pragma ident "%Z%%M% %I% %E% SMI" +#endif + +#include <ctf_impl.h> +#include <libctf.h> +#ifndef VBOX +#include <sys/mman.h> +#include <stdarg.h> +#else +# include <iprt/asm.h> +# include <iprt/log.h> +#endif + +void * +ctf_data_alloc(size_t size) +{ +#ifndef VBOX + return (mmap(NULL, size, PROT_READ | PROT_WRITE, + MAP_PRIVATE | MAP_ANON, -1, 0)); +#else + void *pv = RTMemPageAlloc(size); + return pv == NULL ? MAP_FAILED : pv; +#endif +} + +void +ctf_data_free(void *buf, size_t size) +{ +#ifndef VBOX + (void) munmap(buf, size); +#else + RTMemProtect(buf, size, RTMEM_PROT_WRITE | RTMEM_PROT_READ); + RTMemPageFree(buf, size); +#endif +} + +void +ctf_data_protect(void *buf, size_t size) +{ +#ifndef VBOX + (void) mprotect(buf, size, PROT_READ); +#else + int rc = RTMemProtect(buf, size, RTMEM_PROT_READ); + AssertRC(rc); +#endif +} + +void * +ctf_alloc(size_t size) +{ +#ifndef VBOX + return (malloc(size)); +#else + return RTMemAlloc(size); +#endif +} + +/*ARGSUSED*/ +void +ctf_free(void *buf, size_t size) +{ +#ifndef VBOX + free(buf); +#else + RT_NOREF1(size); + RTMemFree(buf); +#endif +} + +const char * +ctf_strerror(int err) +{ + return (strerror(err)); +} + +/*PRINTFLIKE1*/ +void +ctf_dprintf(const char *format, ...) +{ + if (_libctf_debug) { + va_list alist; + + va_start(alist, format); +#ifndef VBOX + (void) fputs("libctf DEBUG: ", stderr); + (void) vfprintf(stderr, format, alist); +#else + RTLogPrintf("libctf DEBUG: %N", format, alist); +#endif + va_end(alist); + } +} |