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6433849359
The API for this library is deliberately different to the GPL'd libdwarf to avoid licensing problems.
99 lines
2.9 KiB
C
99 lines
2.9 KiB
C
/*-
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* Copyright (c) 2007 John Birrell (jb@freebsd.org)
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#include <stdlib.h>
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#include "_libdwarf.h"
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int
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dwarf_finish(Dwarf_Debug *dbgp, Dwarf_Error *error)
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{
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Dwarf_Abbrev ab;
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Dwarf_Abbrev tab;
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Dwarf_Attribute at;
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Dwarf_Attribute tat;
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Dwarf_AttrValue av;
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Dwarf_AttrValue tav;
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Dwarf_CU cu;
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Dwarf_CU tcu;
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Dwarf_Debug dbg;
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Dwarf_Die die;
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Dwarf_Die tdie;
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if (error == NULL)
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/* Can only return a generic error. */
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return DWARF_E_ERROR;
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if (dbgp == NULL) {
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DWARF_SET_ERROR(error, DWARF_E_ARGUMENT);
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return DWARF_E_ERROR;
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}
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if ((dbg = *dbgp) == NULL)
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return DWARF_E_NONE;
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/* Free entries in the compilation unit list. */
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STAILQ_FOREACH_SAFE(cu, &dbg->dbg_cu, cu_next, tcu) {
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/* Free entries in the die list */
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STAILQ_FOREACH_SAFE(die, &cu->cu_die, die_next, tdie) {
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/* Free entries in the attribute value list */
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STAILQ_FOREACH_SAFE(av, &die->die_attrval, av_next, tav) {
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STAILQ_REMOVE(&die->die_attrval, av, _Dwarf_AttrValue, av_next);
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free(av);
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}
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STAILQ_REMOVE(&cu->cu_die, die, _Dwarf_Die, die_next);
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free(die);
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}
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/* Free entries in the abbrev list */
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STAILQ_FOREACH_SAFE(ab, &cu->cu_abbrev, a_next, tab) {
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/* Free entries in the attribute list */
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STAILQ_FOREACH_SAFE(at, &ab->a_attrib, at_next, tat) {
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STAILQ_REMOVE(&ab->a_attrib, at, _Dwarf_Attribute, at_next);
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free(at);
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}
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STAILQ_REMOVE(&cu->cu_abbrev, ab, _Dwarf_Abbrev, a_next);
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free(ab);
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}
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STAILQ_REMOVE(&dbg->dbg_cu, cu, _Dwarf_CU, cu_next);
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free(cu);
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}
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if (dbg->dbg_elf_close)
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/* Free resources associated with the ELF file. */
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elf_end(dbg->dbg_elf);
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free(dbg);
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*dbgp = NULL;
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return DWARF_E_NONE;
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}
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