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MFV r341618:
[FreeBSD/FreeBSD.git] / contrib / elftoolchain / libdwarf / dwarf_nametbl.m4
1 /*-
2  * Copyright (c) 2009,2011 Kai Wang
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
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.
13  *
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
24  * SUCH DAMAGE.
25  *
26  * $Id: dwarf_nametbl.m4 2074 2011-10-27 03:34:33Z jkoshy $
27  */
28
29 define(`MAKE_NAMETBL_API',`
30 int
31 dwarf_get_$1s(Dwarf_Debug dbg, Dwarf_$2 **$1s,
32     Dwarf_Signed *ret_count, Dwarf_Error *error)
33 {
34         Dwarf_Section *ds;
35         int ret;
36
37         if (dbg == NULL || $1s == NULL || ret_count == NULL) {
38                 DWARF_SET_ERROR(dbg, error, DW_DLE_ARGUMENT);
39                 return (DW_DLV_ERROR);
40         }
41
42         if (dbg->dbg_$1s == NULL) {
43                 if ((ds = _dwarf_find_section(dbg, ".debug_$4")) != NULL) {
44                         ret = _dwarf_nametbl_init(dbg, &dbg->dbg_$1s, ds,
45                             error);
46                         if (ret != DW_DLE_NONE)
47                                 return (DW_DLV_ERROR);
48                 }
49                 if (dbg->dbg_$1s == NULL) {
50                         DWARF_SET_ERROR(dbg, error, DW_DLE_NO_ENTRY);
51                         return (DW_DLV_NO_ENTRY);
52                 }
53         }
54
55         *$1s = dbg->dbg_$1s->ns_array;
56         *ret_count = dbg->dbg_$1s->ns_len;
57
58         return (DW_DLV_OK);
59 }
60
61 int
62 dwarf_$3name(Dwarf_$2 $1, char **ret_name, Dwarf_Error *error)
63 {
64         Dwarf_Debug dbg;
65
66         dbg = $1 != NULL ? $1->np_nt->nt_cu->cu_dbg : NULL;
67
68         if ($1 == NULL || ret_name == NULL) {
69                 DWARF_SET_ERROR(dbg, error, DW_DLE_ARGUMENT);
70                 return (DW_DLV_ERROR);
71         }
72
73         *ret_name = $1->np_name;
74
75         return (DW_DLV_OK);
76 }
77
78 int
79 dwarf_$1_die_offset(Dwarf_$2 $1, Dwarf_Off *ret_offset,
80     Dwarf_Error *error)
81 {
82         Dwarf_NameTbl nt;
83         Dwarf_Debug dbg;
84
85         dbg = $1 != NULL ? $1->np_nt->nt_cu->cu_dbg : NULL;
86
87         if ($1 == NULL || ret_offset == NULL) {
88                 DWARF_SET_ERROR(dbg, error, DW_DLE_ARGUMENT);
89                 return (DW_DLV_ERROR);
90         }
91
92         nt = $1->np_nt;
93         assert(nt != NULL);
94
95         *ret_offset = nt->nt_cu_offset + $1->np_offset;
96
97         return (DW_DLV_OK);
98 }
99
100 int
101 dwarf_$1_cu_offset(Dwarf_$2 $1, Dwarf_Off *ret_offset,
102     Dwarf_Error *error)
103 {
104         Dwarf_NameTbl nt;
105         Dwarf_Debug dbg;
106
107         dbg = $1 != NULL ? $1->np_nt->nt_cu->cu_dbg : NULL;
108
109         if ($1 == NULL || ret_offset == NULL) {
110                 DWARF_SET_ERROR(dbg, error, DW_DLE_ARGUMENT);
111                 return (DW_DLV_ERROR);
112         }
113
114         nt = $1->np_nt;
115         assert(nt != NULL);
116
117         *ret_offset = nt->nt_cu_offset;
118
119         return (DW_DLV_OK);
120 }
121
122 int
123 dwarf_$1_name_offsets(Dwarf_$2 $1, char **ret_name, Dwarf_Off *die_offset,
124     Dwarf_Off *cu_offset, Dwarf_Error *error)
125 {
126         Dwarf_CU cu;
127         Dwarf_Debug dbg;
128         Dwarf_NameTbl nt;
129
130         dbg = $1 != NULL ? $1->np_nt->nt_cu->cu_dbg : NULL;
131
132         if ($1 == NULL || ret_name == NULL || die_offset == NULL ||
133             cu_offset == NULL) {
134                 DWARF_SET_ERROR(dbg, error, DW_DLE_ARGUMENT);
135                 return (DW_DLV_ERROR);
136         }
137
138         nt = $1->np_nt;
139         assert(nt != NULL);
140
141         cu = nt->nt_cu;
142         assert(cu != NULL);
143
144         *ret_name = $1->np_name;
145         *die_offset = nt->nt_cu_offset + $1->np_offset;
146         *cu_offset = cu->cu_1st_offset;
147
148         return (DW_DLV_OK);
149 }
150
151 void
152 dwarf_$1s_dealloc(Dwarf_Debug dbg, Dwarf_$2 *$1s, Dwarf_Signed count)
153 {
154
155         (void) dbg;
156         (void) $1s;
157         (void) count;
158 }
159 ')