ctf_subr.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* 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 2005 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <mdb/mdb_debug.h>
#include <mdb/mdb.h>
#include <sys/types.h>
#include <sys/mman.h>
#include <sys/zmod.h>
#include <ctf_impl.h>
#include <stdlib.h>
/*ARGSUSED*/
void *
ctf_zopen(int *errp)
{
/* The kernel will have decompressed the buffer for us */
return (ctf_set_open_errno(errp, ECTF_ZMISSING));
}
/*ARGSUSED*/
const void *
ctf_sect_mmap(ctf_sect_t *sp, int fd)
{
return (MAP_FAILED); /* we don't support this in kmdb */
}
/*ARGSUSED*/
void
ctf_sect_munmap(const ctf_sect_t *sp)
{
/* we don't support this in kmdb */
}
/*ARGSUSED*/
ctf_file_t *
ctf_fdopen(int fd, int *errp)
{
return (ctf_set_open_errno(errp, ENOTSUP));
}
/*ARGSUSED*/
ctf_file_t *
ctf_open(const char *filename, int *errp)
{
return (ctf_set_open_errno(errp, ENOTSUP));
}
int
ctf_version(int version)
{
ASSERT(version > 0 && version <= CTF_VERSION);
if (version > 0)
_libctf_version = MIN(CTF_VERSION, version);
return (_libctf_version);
}
void *
ctf_data_alloc(size_t size)
{
void *buf = mdb_alloc(size, UM_NOSLEEP);
if (buf == NULL)
return (MAP_FAILED);
return (buf);
}
void
ctf_data_free(void *buf, size_t size)
{
mdb_free(buf, size);
}
/*ARGSUSED*/
void
ctf_data_protect(void *buf, size_t size)
{
/* Not supported in kmdb */
}
void *
ctf_alloc(size_t size)
{
return (mdb_alloc(size, UM_NOSLEEP));
}
void
ctf_free(void *buf, size_t size)
{
mdb_free(buf, size);
}
/*ARGSUSED*/
const char *
ctf_strerror(int err)
{
return (NULL); /* Not supported in kmdb */
}
/*PRINTFLIKE1*/
void
ctf_dprintf(const char *format, ...)
{
va_list alist;
va_start(alist, format);
mdb_dvprintf(MDB_DBG_CTF, format, alist);
va_end(alist);
}
/*ARGSUSED*/
int
z_uncompress(void *dst, size_t *dstlen, const void *src, size_t srclen)
{
return (Z_ERRNO);
}
/*ARGSUSED*/
const char *
z_strerror(int err)
{
return ("zlib unsupported in kmdb");
}
int
ctf_vsnprintf(char *buf, size_t nbytes, const char *format, va_list alist)
{
return ((int)mdb_iob_vsnprintf(buf, nbytes, format, alist));
}