2 * Copyright (c) 2007 John Birrell (jb@freebsd.org)
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 #include "_libdwarf.h"
34 dwarf_attr(Dwarf_Die die, Dwarf_Half attr, Dwarf_Attribute *atp, Dwarf_Error *err)
38 int ret = DWARF_E_NONE;
43 if (die == NULL || atp == NULL || (a = die->die_a) == NULL) {
44 DWARF_SET_ERROR(err, DWARF_E_ARGUMENT);
45 return DWARF_E_ARGUMENT;
48 STAILQ_FOREACH(at, &a->a_attrib, at_next)
49 if (at->at_attrib == attr)
55 DWARF_SET_ERROR(err, DWARF_E_NO_ENTRY);
56 ret = DWARF_E_NO_ENTRY;
63 dwarf_attr_add(Dwarf_Abbrev a, uint64_t attr, uint64_t form, Dwarf_Attribute *atp, Dwarf_Error *error)
66 int ret = DWARF_E_NONE;
72 DWARF_SET_ERROR(error, DWARF_E_ARGUMENT);
73 return DWARF_E_ARGUMENT;
76 if ((at = malloc(sizeof(struct _Dwarf_Attribute))) == NULL) {
77 DWARF_SET_ERROR(error, DWARF_E_MEMORY);
78 return DWARF_E_MEMORY;
81 /* Initialise the attribute structure. */
85 /* Add the attribute to the list in the abbrev. */
86 STAILQ_INSERT_TAIL(&a->a_attrib, at, at_next);