1 /* Test cudie and subdie properties.
2 Copyright (C) 2018 Red Hat, Inc.
3 This file is part of elfutils.
4
5 This file is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 3 of the License, or
8 (at your option) any later version.
9
10 elfutils is distributed in the hope that it will be useful, but
11 WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with this program. If not, see <http://www.gnu.org/licenses/>. */
17
18 #ifdef HAVE_CONFIG_H
19 # include <config.h>
20 #endif
21
22 #include <dwarf.h>
23 #include ELFUTILS_HEADER(dw)
24 #include <stdio.h>
25 #include <inttypes.h>
26 #include <sys/types.h>
27 #include <sys/stat.h>
28 #include <fcntl.h>
29 #include <unistd.h>
30
31
32 int
main(int argc,char * argv[])33 main (int argc, char *argv[])
34 {
35 for (int i = 1; i < argc; i++)
36 {
37 printf ("file: %s\n", argv[i]);
38 int fd = open (argv[i], O_RDONLY);
39 Dwarf *dbg = dwarf_begin (fd, DWARF_C_READ);
40 if (dbg == NULL)
41 {
42 printf ("%s not usable: %s\n", argv[i], dwarf_errmsg (-1));
43 return -1;
44 }
45
46 Dwarf_CU *cu = NULL;
47 Dwarf_Die cudie, subdie;
48 uint8_t unit_type;
49 while (dwarf_get_units (dbg, cu, &cu, NULL,
50 &unit_type, &cudie, &subdie) == 0)
51 {
52 printf ("Got cudie: %s, unit_type: %" PRIx8 "\n",
53 dwarf_diename (&cudie), unit_type);
54
55 int tag = dwarf_tag (&subdie);
56 if (unit_type == DW_UT_compile)
57 {
58 if (tag != DW_TAG_invalid)
59 {
60 printf ("Not invalid: %x\n", dwarf_tag (&subdie));
61 return -1;
62 }
63 if (dwarf_diename (&subdie) != NULL)
64 {
65 printf ("Should have NULL name: %s\n",
66 dwarf_diename (&subdie));
67 return -1;
68 }
69 Dwarf_Die result;
70 if (dwarf_siblingof (&subdie, &result) != -1)
71 {
72 printf ("Should NOT have a valid sibling: %s\n",
73 dwarf_diename (&result));
74 return -1;
75 }
76 if (dwarf_child (&subdie, &result) != -1)
77 {
78 printf ("Should NOT have a valid child: %s\n",
79 dwarf_diename (&result));
80 return -1;
81 }
82 Dwarf_Addr base, start, end;
83 if (dwarf_ranges (&subdie, 0, &base, &start, &end) != -1)
84 {
85 printf ("Should NOT have a ranges: %s\n",
86 dwarf_diename (&subdie));
87 return -1;
88 }
89 if (dwarf_cuoffset (&subdie) != (Dwarf_Off) -1)
90 {
91 printf ("Should NOT have a cuoffset: %s\n",
92 dwarf_diename (&subdie));
93 return -1;
94 }
95 if (dwarf_dieoffset (&subdie) != (Dwarf_Off) -1)
96 {
97 printf ("Should NOT have a die offset: %s\n",
98 dwarf_diename (&subdie));
99 return -1;
100 }
101 if (dwarf_getabbrev (&subdie, 0, NULL) != NULL)
102 {
103 printf ("Should NOT have an abbrev: %s\n",
104 dwarf_diename (&subdie));
105 return -1;
106 }
107 }
108 else if (unit_type == DW_UT_type)
109 printf ("subdie: %s\n", dwarf_diename (&subdie));
110 else
111 printf ("subdie tag: %x\n", dwarf_tag (&subdie));
112 }
113
114 dwarf_end (dbg);
115 close (fd);
116
117 printf ("\n");
118 }
119
120 return 0;
121 }
122