Commit | Line | Data |
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d2a010d1 MJ |
1 | /* |
2 | * SPDX-License-Identifier: LGPL-2.1-only | |
3 | * | |
4 | * Copyright (C) 2021 Michael Jeanson <mjeanson@efficios.com> | |
5 | */ | |
6 | ||
7 | #include <dlfcn.h> | |
8 | #include <stdbool.h> | |
9 | #include <stdlib.h> | |
10 | #include <stdio.h> | |
11 | #include <unistd.h> | |
12 | #include <string.h> | |
13 | ||
14 | #define LTTNG_UST_LIB_ABI0_SO_NAME "libfakeust0.so" | |
15 | #define LTTNG_UST_LIB_ABI1_SO_NAME "liblttng-ust.so.1" | |
16 | ||
dbbb7396 MD |
17 | struct lib_desc { |
18 | const char *soname; | |
19 | void *handle; | |
20 | }; | |
21 | ||
22 | static struct lib_desc lib_desc[] = { | |
23 | [0] = { | |
24 | .soname = LTTNG_UST_LIB_ABI0_SO_NAME, | |
25 | }, | |
26 | [1] = { | |
27 | .soname = LTTNG_UST_LIB_ABI1_SO_NAME, | |
28 | }, | |
29 | [2] = { | |
30 | .soname = LTTNG_UST_LIB_ABI1_SO_NAME, | |
31 | }, | |
32 | }; | |
33 | ||
d2a010d1 | 34 | static |
dbbb7396 | 35 | int dlopen_ust(struct lib_desc *desc) |
d2a010d1 MJ |
36 | { |
37 | int ret = EXIT_SUCCESS; | |
d2a010d1 | 38 | |
dbbb7396 MD |
39 | desc->handle = dlopen(desc->soname, RTLD_NOW | RTLD_GLOBAL); |
40 | if (!desc->handle) { | |
41 | printf("Error: dlopen of liblttng-ust shared library (%s).\n", desc->soname); | |
d2a010d1 MJ |
42 | ret = EXIT_FAILURE; |
43 | } else { | |
dbbb7396 | 44 | printf("Success: dlopen of liblttng-ust shared library (%s).\n", desc->soname); |
d2a010d1 MJ |
45 | } |
46 | ||
47 | return ret; | |
48 | } | |
49 | ||
50 | static | |
51 | int dlopen_abi0(void) | |
52 | { | |
dbbb7396 | 53 | return dlopen_ust(&lib_desc[0]); |
d2a010d1 MJ |
54 | } |
55 | ||
56 | static | |
57 | int dlopen_abi1(void) | |
58 | { | |
dbbb7396 | 59 | return dlopen_ust(&lib_desc[1]); |
d2a010d1 MJ |
60 | } |
61 | ||
62 | static | |
63 | int dlopen_abi0_abi1(void) | |
64 | { | |
65 | int ret = EXIT_SUCCESS; | |
66 | ||
dbbb7396 | 67 | ret = dlopen_ust(&lib_desc[0]); |
d2a010d1 MJ |
68 | if (ret != EXIT_SUCCESS) |
69 | return ret; | |
70 | ||
dbbb7396 | 71 | ret = dlopen_ust(&lib_desc[1]); |
d2a010d1 MJ |
72 | |
73 | return ret; | |
74 | } | |
75 | ||
76 | static | |
77 | int dlopen_abi1_abi0(void) | |
78 | { | |
79 | int ret = EXIT_SUCCESS; | |
80 | ||
dbbb7396 | 81 | ret = dlopen_ust(&lib_desc[1]); |
d2a010d1 MJ |
82 | if (ret != EXIT_SUCCESS) |
83 | return ret; | |
84 | ||
dbbb7396 | 85 | ret = dlopen_ust(&lib_desc[0]); |
d2a010d1 MJ |
86 | |
87 | return ret; | |
88 | } | |
89 | ||
90 | static | |
91 | int dlopen_abi1_abi1(void) | |
92 | { | |
93 | int ret = EXIT_SUCCESS; | |
94 | ||
dbbb7396 | 95 | ret = dlopen_ust(&lib_desc[1]); |
d2a010d1 MJ |
96 | if (ret != EXIT_SUCCESS) |
97 | return ret; | |
98 | ||
dbbb7396 | 99 | ret = dlopen_ust(&lib_desc[2]); |
d2a010d1 MJ |
100 | |
101 | return ret; | |
102 | } | |
103 | ||
104 | static | |
105 | void usage(char **argv) | |
106 | { | |
107 | printf("Usage: %s <test_type>\n", argv[0]); | |
108 | printf(" test_type: abi0, abi1, abi0_abi1, abi1_abi0, abi1_abi1\n"); | |
109 | } | |
110 | ||
111 | int main(int argc, char **argv) | |
112 | { | |
113 | int ret = EXIT_SUCCESS; | |
114 | const char *test_type; | |
115 | ||
116 | if (argc != 2) { | |
117 | usage(argv); | |
118 | return EXIT_FAILURE; | |
119 | } else { | |
120 | test_type = argv[1]; | |
121 | } | |
122 | ||
123 | printf("This application is NOT linked on liblttng-ust.\n"); | |
124 | ||
125 | if (strcmp(test_type, "abi0") == 0) | |
126 | ret = dlopen_abi0(); | |
127 | else if (strcmp(test_type, "abi1") == 0) | |
128 | ret = dlopen_abi1(); | |
129 | else if (strcmp(test_type, "abi0_abi1") == 0) | |
130 | ret = dlopen_abi0_abi1(); | |
131 | else if (strcmp(test_type, "abi1_abi0") == 0) | |
132 | ret = dlopen_abi1_abi0(); | |
133 | else if (strcmp(test_type, "abi1_abi1") == 0) | |
134 | ret = dlopen_abi1_abi1(); | |
135 | else { | |
136 | usage(argv); | |
137 | ret = EXIT_FAILURE; | |
138 | } | |
139 | ||
140 | return ret; | |
141 | } |