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33ba099b AB |
1 | /* |
2 | * test_dwarf.c | |
3 | * | |
4 | * Babeltrace bt_dwarf (DWARF utilities) tests | |
5 | * | |
6 | * Copyright (c) 2015 EfficiOS Inc. and Linux Foundation | |
7 | * Copyright (c) 2015 Antoine Busque <abusque@efficios.com> | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License as published by | |
11 | * the Free Software Foundation; under version 2 of the License. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License along | |
19 | * with this program; if not, write to the Free Software Foundation, Inc., | |
20 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
21 | */ | |
22 | ||
23 | #include <fcntl.h> | |
24 | #include <stdlib.h> | |
25 | #include <stdint.h> | |
26 | #include <string.h> | |
27 | #include <unistd.h> | |
28 | #include <babeltrace/dwarf.h> | |
29 | #include "tap/tap.h" | |
30 | ||
31 | #define NR_TESTS 15 | |
32 | ||
33 | static | |
34 | void test_bt_dwarf(const char *data_dir) | |
35 | { | |
36 | int fd, ret, tag; | |
37 | char path[PATH_MAX]; | |
38 | char *die_name = NULL; | |
39 | struct bt_dwarf_cu *cu = NULL; | |
40 | struct bt_dwarf_die *die = NULL; | |
41 | Dwarf *dwarf_info = NULL; | |
42 | ||
43 | snprintf(path, PATH_MAX, "%s/libhello.so", data_dir); | |
44 | ||
45 | fd = open(path, O_RDONLY); | |
46 | ok(fd >= 0, "Open DWARF file %s", path); | |
47 | dwarf_info = dwarf_begin(fd, DWARF_C_READ); | |
48 | ok(dwarf_info != NULL, "dwarf_begin successful"); | |
49 | cu = bt_dwarf_cu_create(dwarf_info); | |
50 | ok(cu != NULL, "bt_dwarf_cu_create successful"); | |
51 | ret = bt_dwarf_cu_next(cu); | |
52 | ok(ret == 0, "bt_dwarf_cu_next successful"); | |
53 | die = bt_dwarf_die_create(cu); | |
54 | ok(die != NULL, "bt_dwarf_die_create successful"); | |
55 | /* | |
56 | * Test bt_dwarf_die_next twice, as the code path is different | |
57 | * for DIEs at depth 0 (just created) and other depths. | |
58 | */ | |
59 | ret = bt_dwarf_die_next(die); | |
60 | ok(ret == 0, "bt_dwarf_die_next from root DIE successful"); | |
61 | ok(die->depth == 1, | |
62 | "bt_dwarf_die_next from root DIE - correct depth value"); | |
63 | ret = bt_dwarf_die_next(die); | |
64 | ok(ret == 0, | |
65 | "bt_dwarf_die_next from non-root DIE successful"); | |
66 | ok(die->depth == 1, | |
67 | "bt_dwarf_die_next from non-root DIE - correct depth value"); | |
68 | ||
69 | /* Reset DIE to test dwarf_child */ | |
70 | bt_dwarf_die_destroy(die); | |
71 | die = bt_dwarf_die_create(cu); | |
72 | ||
73 | ret = bt_dwarf_die_child(die); | |
74 | ok(ret == 0, "bt_dwarf_die_child successful"); | |
75 | ok(die->depth == 1, "bt_dwarf_die_child - correct depth value"); | |
76 | ||
77 | ret = bt_dwarf_die_get_tag(die, &tag); | |
78 | ok(ret == 0, "bt_dwarf_die_get_tag successful"); | |
79 | ok(tag == DW_TAG_typedef, "bt_dwarf_die_get_tag - correct tag value"); | |
80 | ret = bt_dwarf_die_get_name(die, &die_name); | |
81 | ok(ret == 0, "bt_dwarf_die_get_name successful"); | |
82 | ok(strcmp(die_name, "size_t") == 0, | |
83 | "bt_dwarf_die_get_name - correct name value"); | |
84 | ||
85 | bt_dwarf_die_destroy(die); | |
86 | bt_dwarf_cu_destroy(cu); | |
87 | dwarf_end(dwarf_info); | |
88 | free(die_name); | |
89 | close(fd); | |
90 | } | |
91 | ||
92 | int main(int argc, char **argv) | |
93 | { | |
94 | const char *data_dir; | |
95 | ||
96 | plan_tests(NR_TESTS); | |
97 | ||
98 | if (argc != 2) { | |
99 | return EXIT_FAILURE; | |
100 | } else { | |
101 | data_dir = argv[1]; | |
102 | } | |
103 | ||
104 | test_bt_dwarf(data_dir); | |
105 | ||
106 | return EXIT_SUCCESS; | |
107 | } |