/*
 * 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.
 */

#include <sys/sysmacros.h>
#include <sys/modctl.h>
#include <sys/debug.h>
#include <sys/mman.h>
#include <sys/modctl.h>
#include <sys/kobj.h>
#include <ctf_impl.h>

int ctf_leave_compressed = 0;

static struct modlmisc modlmisc = {
	&mod_miscops, "Compact C Type Format routines"
};

static struct modlinkage modlinkage = {
	MODREV_1, &modlmisc, NULL
};

int
_init(void)
{
	return (mod_install(&modlinkage));
}

int
_info(struct modinfo *mip)
{
	return (mod_info(&modlinkage, mip));
}

int
_fini(void)
{
	return (mod_remove(&modlinkage));
}

/*ARGSUSED*/
void *
ctf_zopen(int *errp)
{
	return ((void *)1); /* zmod is always loaded because we depend on it */
}

/*ARGSUSED*/
const void *
ctf_sect_mmap(ctf_sect_t *sp, int fd)
{
	return (MAP_FAILED); /* we don't support this in the kernel */
}

/*ARGSUSED*/
void
ctf_sect_munmap(const ctf_sect_t *sp)
{
	/* we don't support this in the kernel */
}

/*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));
}

/*ARGSUSED*/
int
ctf_write(ctf_file_t *fp, int fd)
{
	return (ctf_set_errno(fp, ENOTSUP));
}

int
ctf_version(int version)
{
	ASSERT(version > 0 && version <= CTF_VERSION);

	if (version > 0)
		_libctf_version = MIN(CTF_VERSION, version);

	return (_libctf_version);
}

/*ARGSUSED*/
ctf_file_t *
ctf_fdcreate_int(int fd, int *errp, ctf_sect_t *ctfp)
{
	if (errp != NULL)
		*errp = ENOTSUP;
	return (NULL);
}

/*ARGSUSED*/
ctf_file_t *
ctf_modopen(struct module *mp, int *error)
{
	ctf_sect_t ctfsect, symsect, strsect;
	ctf_file_t *fp = NULL;
	int err;

	if (error == NULL)
		error = &err;

	ctfsect.cts_name = ".SUNW_ctf";
	ctfsect.cts_type = SHT_PROGBITS;
	ctfsect.cts_flags = SHF_ALLOC;
	ctfsect.cts_data = mp->ctfdata;
	ctfsect.cts_size = mp->ctfsize;
	ctfsect.cts_entsize = 1;
	ctfsect.cts_offset = 0;

	symsect.cts_name = ".symtab";
	symsect.cts_type = SHT_SYMTAB;
	symsect.cts_flags = 0;
	symsect.cts_data = mp->symtbl;
	symsect.cts_size = mp->symhdr->sh_size;
#ifdef _LP64
	symsect.cts_entsize = sizeof (Elf64_Sym);
#else
	symsect.cts_entsize = sizeof (Elf32_Sym);
#endif
	symsect.cts_offset = 0;

	strsect.cts_name = ".strtab";
	strsect.cts_type = SHT_STRTAB;
	strsect.cts_flags = 0;
	strsect.cts_data = mp->strings;
	strsect.cts_size = mp->strhdr->sh_size;
	strsect.cts_entsize = 1;
	strsect.cts_offset = 0;

	ASSERT(MUTEX_HELD(&mod_lock));

	if ((fp = ctf_bufopen(&ctfsect, &symsect, &strsect, error)) == NULL)
		return (NULL);

	if (!ctf_leave_compressed && (caddr_t)fp->ctf_base != mp->ctfdata) {
		/*
		 * We must have just uncompressed the CTF data.  To avoid
		 * others having to pay the (substantial) cost of decompressing
		 * the data, we're going to substitute the uncompressed version
		 * for the compressed version.  Note that this implies that the
		 * first CTF consumer will induce memory impact on the system
		 * (but in the name of performance of future CTF consumers).
		 */
		kobj_set_ctf(mp, (caddr_t)fp->ctf_base, fp->ctf_size);
		fp->ctf_data.cts_data = fp->ctf_base;
		fp->ctf_data.cts_size = fp->ctf_size;
	}

	return (fp);
}
/*
 * 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 2004 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#include <ctf_impl.h>
#include <sys/kobj.h>
#include <sys/kobj_impl.h>

/*
 * This module is used both during the normal operation of the kernel (i.e.
 * after kmem has been initialized) and during boot (before unix`_start has
 * been called).  kobj_alloc is able to tell the difference between the two
 * cases, and as such must be used instead of kmem_alloc.
 */

void *
ctf_data_alloc(size_t size)
{
	void *buf = kobj_alloc(size, KM_NOWAIT|KM_SCRATCH);

	if (buf == NULL)
		return (MAP_FAILED);

	return (buf);
}

void
ctf_data_free(void *buf, size_t size)
{
	kobj_free(buf, size);
}

/*ARGSUSED*/
void
ctf_data_protect(void *buf, size_t size)
{
	/* we don't support this operation in the kernel */
}

void *
ctf_alloc(size_t size)
{
	return (kobj_alloc(size, KM_NOWAIT|KM_TMP));
}

/*ARGSUSED*/
void
ctf_free(void *buf, size_t size)
{
	kobj_free(buf, size);
}

/*ARGSUSED*/
const char *
ctf_strerror(int err)
{
	return (NULL); /* we don't support this operation in the kernel */
}

/*PRINTFLIKE1*/
void
ctf_dprintf(const char *format, ...)
{
	if (_libctf_debug) {
		va_list alist;

		va_start(alist, format);
		(void) printf("ctf DEBUG: ");
		(void) vprintf(format, alist);
		va_end(alist);
	}
}
#
# Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
#
# CDDL HEADER START
#
# The contents of this file are subject to the terms of the
# Common Development and Distribution License (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
#

#
# MAPFILE HEADER START
#
# WARNING:  STOP NOW.  DO NOT MODIFY THIS FILE.
# Object versioning must comply with the rules detailed in
#
#	usr/src/lib/README.mapfiles
#
# You should not be making modifications here until you've read the most current
# copy of that file. If you need help, contact a gatekeeper for guidance.
#
# MAPFILE HEADER END
#

$mapfile_version 2

SYMBOL_SCOPE {
	global:
		ctf_add_array;
		ctf_add_const;
		ctf_add_enum;
		ctf_add_enumerator;
		ctf_add_float;
		ctf_add_forward;
		ctf_add_function;
		ctf_add_integer;
		ctf_add_member;
		ctf_add_pointer;
		ctf_add_restrict;
		ctf_add_struct;
		ctf_add_type;
		ctf_add_typedef;
		ctf_add_union;
		ctf_add_volatile;
		ctf_array_info;
		ctf_bufopen;
		ctf_close;
		ctf_create;
		ctf_discard;
		ctf_enum_iter;
		ctf_enum_name;
		ctf_enum_value;
		ctf_errmsg;
		ctf_errno;
		ctf_fdopen;
		ctf_func_args;
		ctf_func_info;
		ctf_getmodel;
		ctf_getspecific;
		ctf_import;
		ctf_label_info;
		ctf_label_iter;
		ctf_label_topmost;
		ctf_lookup_by_name;
		ctf_lookup_by_symbol;
		ctf_member_info;
		ctf_member_iter;
		ctf_modopen;
		ctf_open;
		ctf_parent_file;
		ctf_parent_name;
		ctf_setmodel;
		ctf_setspecific;
		ctf_set_array;
		ctf_type_align;
		ctf_type_cmp;
		ctf_type_compat;
		ctf_type_encoding;
		ctf_type_iter;
		ctf_type_kind;
		ctf_type_lname;
		ctf_type_name;
		ctf_type_pointer;
		ctf_type_reference;
		ctf_type_resolve;
		ctf_type_size;
		ctf_type_visit;
		ctf_update;
		ctf_version;
		ctf_write;
		_info;
		_init;
		_fini;
	local:
		*;
};