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/*-
* Copyright (c) 2007 John Birrell (jb@freebsd.org)
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#include <stdlib.h>
#include "_libdwarf.h"
int
dwarf_finish(Dwarf_Debug *dbgp, Dwarf_Error *error)
{
Dwarf_Abbrev ab;
Dwarf_Abbrev tab;
Dwarf_Attribute at;
Dwarf_Attribute tat;
Dwarf_AttrValue av;
Dwarf_AttrValue tav;
Dwarf_CU cu;
Dwarf_CU tcu;
Dwarf_Debug dbg;
Dwarf_Die die;
Dwarf_Die tdie;
if (error == NULL)
/* Can only return a generic error. */
return DWARF_E_ERROR;
if (dbgp == NULL) {
DWARF_SET_ERROR(error, DWARF_E_ARGUMENT);
return DWARF_E_ERROR;
}
if ((dbg = *dbgp) == NULL)
return DWARF_E_NONE;
/* Free entries in the compilation unit list. */
STAILQ_FOREACH_SAFE(cu, &dbg->dbg_cu, cu_next, tcu) {
/* Free entries in the die list */
STAILQ_FOREACH_SAFE(die, &cu->cu_die, die_next, tdie) {
/* Free entries in the attribute value list */
STAILQ_FOREACH_SAFE(av, &die->die_attrval, av_next, tav) {
STAILQ_REMOVE(&die->die_attrval, av, _Dwarf_AttrValue, av_next);
free(av);
}
STAILQ_REMOVE(&cu->cu_die, die, _Dwarf_Die, die_next);
free(die);
}
/* Free entries in the abbrev list */
STAILQ_FOREACH_SAFE(ab, &cu->cu_abbrev, a_next, tab) {
/* Free entries in the attribute list */
STAILQ_FOREACH_SAFE(at, &ab->a_attrib, at_next, tat) {
STAILQ_REMOVE(&ab->a_attrib, at, _Dwarf_Attribute, at_next);
free(at);
}
STAILQ_REMOVE(&cu->cu_abbrev, ab, _Dwarf_Abbrev, a_next);
free(ab);
}
STAILQ_REMOVE(&dbg->dbg_cu, cu, _Dwarf_CU, cu_next);
free(cu);
}
if (dbg->dbg_elf_close)
/* Free resources associated with the ELF file. */
elf_end(dbg->dbg_elf);
free(dbg);
*dbgp = NULL;
return DWARF_E_NONE;
}
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