1/*
2
3  Copyright (C) 2000-2005 Silicon Graphics, Inc.  All Rights Reserved.
4  Portions Copyright (C) 2009-2010 David Anderson. All Rights Reserved.
5
6  This program is free software; you can redistribute it and/or modify it
7  under the terms of version 2.1 of the GNU Lesser General Public License
8  as published by the Free Software Foundation.
9
10  This program is distributed in the hope that it would be useful, but
11  WITHOUT ANY WARRANTY; without even the implied warranty of
12  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
13
14  Further, this software is distributed without any warranty that it is
15  free of the rightful claim of any third person regarding infringement
16  or the like.  Any license provided herein, whether implied or
17  otherwise, applies only to this software file.  Patent licenses, if
18  any, provided herein do not apply to combinations of this program with
19  other software, or any other product whatsoever.
20
21  You should have received a copy of the GNU Lesser General Public
22  License along with this program; if not, write the Free Software
23  Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston MA 02110-1301,
24  USA.
25
26  Contact information:  Silicon Graphics, Inc., 1500 Crittenden Lane,
27  Mountain View, CA 94043, or:
28
29  http://www.sgi.com
30
31  For further information regarding this notice, see:
32
33  http://oss.sgi.com/projects/GenInfo/NoticeExplan
34
35*/
36
37
38
39#include "config.h"
40#include "dwarf_incl.h"
41#include <stdio.h>
42#include "dwarf_weaks.h"
43#include "dwarf_global.h"
44
45int
46dwarf_get_weaks(Dwarf_Debug dbg,
47    Dwarf_Weak ** weaks,
48    Dwarf_Signed * ret_weak_count, Dwarf_Error * error)
49{
50    int res = _dwarf_load_section(dbg, &dbg->de_debug_weaknames,error);
51    if (res != DW_DLV_OK) {
52        return res;
53    }
54
55    return _dwarf_internal_get_pubnames_like_data(dbg,
56        dbg->de_debug_weaknames.dss_data,
57        dbg->de_debug_weaknames.dss_size,
58        (Dwarf_Global **) weaks, /* Type punning for sections
59            with identical format. */
60        ret_weak_count,
61        error,
62        DW_DLA_WEAK_CONTEXT,
63        DW_DLA_WEAK,
64        DW_DLE_DEBUG_WEAKNAMES_LENGTH_BAD,
65        DW_DLE_DEBUG_WEAKNAMES_VERSION_ERROR);
66}
67
68/* Deallocating fully requires deallocating the list
69   and all entries.  But some internal data is
70   not exposed, so we need a function with internal knowledge.
71*/
72
73void
74dwarf_weaks_dealloc(Dwarf_Debug dbg, Dwarf_Weak * dwgl,
75    Dwarf_Signed count)
76{
77    _dwarf_internal_globals_dealloc(dbg, (Dwarf_Global *) dwgl,
78        count,
79        DW_DLA_WEAK_CONTEXT,
80        DW_DLA_WEAK, DW_DLA_LIST);
81    return;
82}
83
84
85
86int
87dwarf_weakname(Dwarf_Weak weak_in, char **ret_name, Dwarf_Error * error)
88{
89    Dwarf_Global weak = (Dwarf_Global) weak_in;
90
91    if (weak == NULL) {
92        _dwarf_error(NULL, error, DW_DLE_WEAK_NULL);
93        return (DW_DLV_ERROR);
94    }
95    *ret_name = (char *) (weak->gl_name);
96    return DW_DLV_OK;
97}
98
99
100int
101dwarf_weak_die_offset(Dwarf_Weak weak_in,
102    Dwarf_Off * weak_off, Dwarf_Error * error)
103{
104    Dwarf_Global weak = (Dwarf_Global) weak_in;
105
106    return dwarf_global_die_offset(weak, weak_off, error);
107}
108
109
110int
111dwarf_weak_cu_offset(Dwarf_Weak weak_in,
112    Dwarf_Off * weak_off, Dwarf_Error * error)
113{
114    Dwarf_Global weak = (Dwarf_Global) weak_in;
115
116    return dwarf_global_cu_offset(weak, weak_off, error);
117}
118
119
120int
121dwarf_weak_name_offsets(Dwarf_Weak weak_in,
122    char **weak_name,
123    Dwarf_Off * die_offset,
124    Dwarf_Off * cu_offset, Dwarf_Error * error)
125{
126    Dwarf_Global weak = (Dwarf_Global) weak_in;
127
128    return dwarf_global_name_offsets(weak,
129        weak_name, die_offset, cu_offset, error);
130}
131