1 /*-
2 * Copyright (c) 2010 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_child.c 2084 2011-10-27 04:48:12Z jkoshy $
27 */
28
29 #include <assert.h>
30 #include <dwarf.h>
31 #include <errno.h>
32 #include <fcntl.h>
33 #include <libdwarf.h>
34 #include <string.h>
35
36 #include "driver.h"
37 #include "tet_api.h"
38
39 static void tp_dwarf_child_first(void);
40 static void tp_dwarf_child_sanity(void);
41 static struct dwarf_tp dwarf_tp_array[] = {
42 {"tp_dwarf_child_first", tp_dwarf_child_first},
43 {"tp_dwarf_child_sanity", tp_dwarf_child_sanity},
44 {NULL, NULL},
45 };
46 #include "driver.c"
47
48 static void
tp_dwarf_child_first(void)49 tp_dwarf_child_first(void)
50 {
51 Dwarf_Debug dbg;
52 Dwarf_Error de;
53 Dwarf_Die die, die0;
54 Dwarf_Unsigned cu_next_offset;
55 int r, fd, result, die_cnt;
56
57 result = TET_UNRESOLVED;
58
59 TS_DWARF_INIT(dbg, fd, de);
60
61 tet_infoline("count the number of children of compilation unit DIE");
62
63 die_cnt = 0;
64 TS_DWARF_CU_FOREACH(dbg, cu_next_offset, de) {
65 r = dwarf_siblingof(dbg, NULL, &die, &de);
66 if (r == DW_DLV_OK) {
67 r = dwarf_child(die, &die0, &de);
68 while (r == DW_DLV_OK) {
69 if (die0 == NULL) {
70 tet_infoline("dwarf_child or "
71 "dwarf_siblingof return "
72 "DW_DLV_OK while argument die0 "
73 "is not filled in");
74 result = TET_FAIL;
75 goto done;
76 }
77 die_cnt++;
78 die = die0;
79 r = dwarf_siblingof(dbg, die, &die0, &de);
80 }
81 }
82 if (r == DW_DLV_ERROR) {
83 tet_printf("dwarf_siblingof or dwarf_child failed:"
84 " %s\n", dwarf_errmsg(de));
85 result = TET_FAIL;
86 goto done;
87 }
88 }
89
90 TS_CHECK_INT(die_cnt);
91
92 if (result == TET_UNRESOLVED)
93 result = TET_PASS;
94
95 done:
96 TS_DWARF_FINISH(dbg, de);
97 TS_RESULT(result);
98 }
99
100 static void
tp_dwarf_child_sanity(void)101 tp_dwarf_child_sanity(void)
102 {
103 Dwarf_Debug dbg;
104 Dwarf_Error de;
105 Dwarf_Die die;
106 Dwarf_Unsigned cu_next_offset;
107 int fd, result;
108
109 result = TET_UNRESOLVED;
110
111 TS_DWARF_INIT(dbg, fd, de);
112
113 if (dwarf_child(NULL, &die, &de) != DW_DLV_ERROR ||
114 dwarf_child(NULL, NULL, &de) != DW_DLV_ERROR) {
115 tet_infoline("dwarf_child didn't return DW_DLV_ERROR when"
116 " called with NULL arguments");
117 result = TET_FAIL;
118 goto done;
119
120 }
121
122 TS_DWARF_CU_FOREACH(dbg, cu_next_offset, de) {
123 if (dwarf_child(NULL, &die, &de) != DW_DLV_ERROR ||
124 dwarf_child(NULL, NULL, &de) != DW_DLV_ERROR) {
125 tet_infoline("dwarf_child didn't return DW_DLV_ERROR"
126 " when called with NULL arguments");
127 result = TET_FAIL;
128 goto done;
129 }
130 }
131
132 if (result == TET_UNRESOLVED)
133 result = TET_PASS;
134
135 done:
136 TS_DWARF_FINISH(dbg, de);
137 TS_RESULT(result);
138 }
139