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 */
27
28 #include "config.h"
29 #include <stdio.h>
30 #include "dwarf_incl.h"
31 #include "dwarf_error.h"
32 #include "dwarf_weaks.h"
33 #include "dwarf_global.h"
34
35 int
dwarf_get_weaks(Dwarf_Debug dbg,Dwarf_Weak ** weaks,Dwarf_Signed * ret_weak_count,Dwarf_Error * error)36 dwarf_get_weaks(Dwarf_Debug dbg,
37 Dwarf_Weak ** weaks,
38 Dwarf_Signed * ret_weak_count, Dwarf_Error * error)
39 {
40 int res = _dwarf_load_section(dbg, &dbg->de_debug_weaknames,error);
41 if (res != DW_DLV_OK) {
42 return res;
43 }
44 if (!dbg->de_debug_weaknames.dss_size) {
45 return (DW_DLV_NO_ENTRY);
46 }
47
48
49 return _dwarf_internal_get_pubnames_like_data(dbg,
50 dbg->de_debug_weaknames.dss_data,
51 dbg->de_debug_weaknames.dss_size,
52 (Dwarf_Global **) weaks, /* Type punning for sections
53 with identical format. */
54 ret_weak_count,
55 error,
56 DW_DLA_WEAK_CONTEXT,
57 DW_DLA_WEAK,
58 DW_DLE_DEBUG_WEAKNAMES_LENGTH_BAD,
59 DW_DLE_DEBUG_WEAKNAMES_VERSION_ERROR);
60 }
61
62 /* Deallocating fully requires deallocating the list
63 and all entries. But some internal data is
64 not exposed, so we need a function with internal knowledge.
65 */
66
67 void
dwarf_weaks_dealloc(Dwarf_Debug dbg,Dwarf_Weak * dwgl,Dwarf_Signed count)68 dwarf_weaks_dealloc(Dwarf_Debug dbg, Dwarf_Weak * dwgl,
69 Dwarf_Signed count)
70 {
71 _dwarf_internal_globals_dealloc(dbg, (Dwarf_Global *) dwgl,
72 count,
73 DW_DLA_WEAK_CONTEXT,
74 DW_DLA_WEAK, DW_DLA_LIST);
75 return;
76 }
77
78
79
80 int
dwarf_weakname(Dwarf_Weak weak_in,char ** ret_name,Dwarf_Error * error)81 dwarf_weakname(Dwarf_Weak weak_in, char **ret_name, Dwarf_Error * error)
82 {
83 Dwarf_Global weak = (Dwarf_Global) weak_in;
84
85 if (weak == NULL) {
86 _dwarf_error(NULL, error, DW_DLE_WEAK_NULL);
87 return (DW_DLV_ERROR);
88 }
89 *ret_name = (char *) (weak->gl_name);
90 return DW_DLV_OK;
91 }
92
93
94 int
dwarf_weak_die_offset(Dwarf_Weak weak_in,Dwarf_Off * weak_off,Dwarf_Error * error)95 dwarf_weak_die_offset(Dwarf_Weak weak_in,
96 Dwarf_Off * weak_off, Dwarf_Error * error)
97 {
98 Dwarf_Global weak = (Dwarf_Global) weak_in;
99
100 return dwarf_global_die_offset(weak, weak_off, error);
101 }
102
103
104 int
dwarf_weak_cu_offset(Dwarf_Weak weak_in,Dwarf_Off * weak_off,Dwarf_Error * error)105 dwarf_weak_cu_offset(Dwarf_Weak weak_in,
106 Dwarf_Off * weak_off, Dwarf_Error * error)
107 {
108 Dwarf_Global weak = (Dwarf_Global) weak_in;
109
110 return dwarf_global_cu_offset(weak, weak_off, error);
111 }
112
113
114 int
dwarf_weak_name_offsets(Dwarf_Weak weak_in,char ** weak_name,Dwarf_Off * die_offset,Dwarf_Off * cu_offset,Dwarf_Error * error)115 dwarf_weak_name_offsets(Dwarf_Weak weak_in,
116 char **weak_name,
117 Dwarf_Off * die_offset,
118 Dwarf_Off * cu_offset, Dwarf_Error * error)
119 {
120 Dwarf_Global weak = (Dwarf_Global) weak_in;
121
122 return dwarf_global_name_offsets(weak,
123 weak_name, die_offset, cu_offset, error);
124 }
125