Commit | Line | Data |
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22609c7a | 1 | /* |
c0c0989a | 2 | * SPDX-License-Identifier: LGPL-2.1-or-later |
22609c7a | 3 | * |
c0c0989a | 4 | * Copyright (C) 2015 Antoine Busque <abusque@efficios.com> |
22609c7a AB |
5 | */ |
6 | ||
98c2069e | 7 | #include <limits.h> |
fb31eb73 | 8 | #include <stdint.h> |
22609c7a AB |
9 | #include <stdio.h> |
10 | #include <stdlib.h> | |
11 | #include <string.h> | |
12 | ||
13 | #include <lttng/ust-elf.h> | |
14 | #include "tap.h" | |
15 | ||
16 | #define NUM_ARCH 4 | |
17 | #define NUM_TESTS_PER_ARCH 11 | |
968f523d AB |
18 | #define NUM_TESTS_PIC 3 |
19 | #define NUM_TESTS (NUM_ARCH * NUM_TESTS_PER_ARCH) + NUM_TESTS_PIC + 1 | |
22609c7a AB |
20 | |
21 | /* | |
22 | * Expected memsz were computed using libelf, build ID and debug link | |
23 | * were determined through readelf. | |
24 | */ | |
038eca0f AB |
25 | #define X86_MEMSZ 5732 |
26 | #define X86_64_MEMSZ 2099376 | |
27 | #define ARMEB_MEMSZ 34196 | |
28 | #define AARCH64_BE_MEMSZ 67632 | |
22609c7a AB |
29 | |
30 | #define X86_CRC 0x1531f73c | |
31 | #define X86_64_CRC 0xa048a98f | |
32 | #define ARMEB_CRC 0x9d40261b | |
33 | #define AARCH64_BE_CRC 0x2b8cedce | |
34 | ||
35 | #define BUILD_ID_LEN 20 | |
36 | #define DBG_FILE "main.elf.debug" | |
37 | ||
8d8a8c5c MD |
38 | static const uint8_t x86_build_id[BUILD_ID_LEN] = { |
39 | 0x27, 0x79, 0x2a, 0xe7, 0xaa, 0xef, 0x72, 0x5c, 0x9c, 0x52, | |
40 | 0x80, 0xec, 0x1e, 0x18, 0xd8, 0x09, 0x02, 0xba, 0xbc, 0x82 | |
41 | }; | |
42 | static const uint8_t x86_64_build_id[BUILD_ID_LEN] = { | |
43 | 0x0f, 0x87, 0xb2, 0xe2, 0x24, 0x9c, 0xe1, 0xc2, 0x24, 0xb1, | |
44 | 0xf8, 0xb6, 0x65, 0x83, 0xa3, 0xc1, 0xcb, 0x30, 0x5c, 0x63 | |
45 | }; | |
46 | static const uint8_t armeb_build_id[BUILD_ID_LEN] = { | |
47 | 0x60, 0x5d, 0x26, 0xa0, 0x0e, 0x30, 0xa4, 0x29, 0xf4, 0xf1, | |
48 | 0x85, 0x53, 0xda, 0x90, 0x68, 0xe1, 0xf5, 0x67, 0xbe, 0x42 | |
49 | }; | |
50 | static const uint8_t aarch64_be_build_id[BUILD_ID_LEN] = { | |
51 | 0xb9, 0x0a, 0xa0, 0xed, 0xd1, 0x41, 0x42, 0xc3, 0x34, 0x85, | |
52 | 0xfa, 0x27, 0x2e, 0xa9, 0x2f, 0xd2, 0xe4, 0xf7, 0xb6, 0x60 | |
53 | }; | |
54 | ||
22609c7a AB |
55 | static |
56 | void test_elf(const char *test_dir, const char *arch, uint64_t exp_memsz, | |
8d8a8c5c | 57 | const uint8_t *exp_build_id, uint32_t exp_crc) |
22609c7a AB |
58 | { |
59 | char path[PATH_MAX]; | |
60 | struct lttng_ust_elf *elf = NULL; | |
61 | int ret = 0; | |
62 | uint64_t memsz = 0; | |
63 | int has_build_id = 0; | |
64 | uint8_t *build_id = NULL; | |
65 | size_t build_id_len = 0; | |
66 | int has_debug_link = 0; | |
67 | char *dbg_file = NULL; | |
68 | uint32_t crc = 0; | |
69 | ||
70 | diag("Testing %s support", arch); | |
71 | ||
72 | snprintf(path, PATH_MAX, "%s/data/%s/main.elf", test_dir, arch); | |
73 | elf = lttng_ust_elf_create(path); | |
74 | ok(elf != NULL, "lttng_ust_elf_create"); | |
75 | ||
76 | ret = lttng_ust_elf_get_memsz(elf, &memsz); | |
77 | ok(ret == 0, "lttng_ust_elf_get_memsz returned successfully"); | |
78 | ok(memsz == exp_memsz, | |
79 | "memsz - expected: %lu, got: %lu", | |
80 | exp_memsz, memsz); | |
81 | ||
82 | ret = lttng_ust_elf_get_build_id(elf, &build_id, &build_id_len, | |
83 | &has_build_id); | |
84 | ok(ret == 0, "lttng_ust_elf_get_build_id returned successfully"); | |
85 | ok(has_build_id == 1, "build id marked as found"); | |
86 | ok(build_id_len == BUILD_ID_LEN, | |
87 | "build_id_len - expected: %u, got: %u", | |
88 | BUILD_ID_LEN, build_id_len); | |
89 | ok(memcmp(build_id, exp_build_id, build_id_len) == 0, | |
90 | "build_id has expected value"); | |
91 | ||
92 | ret = lttng_ust_elf_get_debug_link(elf, &dbg_file, &crc, | |
93 | &has_debug_link); | |
94 | ok(ret == 0, "lttng_ust_elf_get_debug_link returned successfully"); | |
95 | ok(has_debug_link == 1, "debug link marked as found"); | |
bb4f2490 | 96 | ok(dbg_file && strcmp(dbg_file, DBG_FILE) == 0, |
22609c7a AB |
97 | "debug link filename - expected: %s, got: %s", |
98 | DBG_FILE, dbg_file); | |
99 | ok(crc == exp_crc, | |
100 | "debug link crc - expected: %#x, got: %#x", | |
101 | exp_crc, crc); | |
102 | ||
103 | free(build_id); | |
104 | free(dbg_file); | |
105 | lttng_ust_elf_destroy(elf); | |
106 | } | |
107 | ||
968f523d AB |
108 | static |
109 | void test_pic(const char *test_dir) | |
110 | { | |
111 | char exec_path[PATH_MAX]; | |
112 | char pie_path[PATH_MAX]; | |
113 | char pic_path[PATH_MAX]; | |
114 | struct lttng_ust_elf *elf = NULL; | |
115 | uint8_t is_pic; | |
116 | ||
117 | snprintf(exec_path, PATH_MAX, "%s/data/pic/hello.exec", test_dir); | |
118 | snprintf(pie_path, PATH_MAX, "%s/data/pic/hello.pie", test_dir); | |
119 | snprintf(pic_path, PATH_MAX, "%s/data/pic/hello.pic", test_dir); | |
120 | ||
121 | elf = lttng_ust_elf_create(exec_path); | |
122 | is_pic = lttng_ust_elf_is_pic(elf); | |
123 | ok(is_pic == 0, "hello.exec is not PIC"); | |
124 | lttng_ust_elf_destroy(elf); | |
125 | ||
126 | elf = lttng_ust_elf_create(pie_path); | |
127 | is_pic = lttng_ust_elf_is_pic(elf); | |
128 | ok(is_pic == 1, "hello.pie is PIC"); | |
129 | lttng_ust_elf_destroy(elf); | |
130 | ||
131 | elf = lttng_ust_elf_create(pic_path); | |
132 | is_pic = lttng_ust_elf_is_pic(elf); | |
133 | ok(is_pic == 1, "hello.pic is PIC"); | |
134 | lttng_ust_elf_destroy(elf); | |
135 | } | |
136 | ||
22609c7a AB |
137 | int main(int argc, char **argv) |
138 | { | |
62eb8bca | 139 | const char *test_dir; |
22609c7a AB |
140 | |
141 | plan_tests(NUM_TESTS); | |
142 | ||
62eb8bca MD |
143 | ok(argc == 2, "Invoke as: %s <path>", argv[0]); |
144 | if (argc != 2) { | |
145 | return EXIT_FAILURE; | |
146 | } else { | |
147 | test_dir = argv[1]; | |
148 | } | |
149 | ||
8d8a8c5c MD |
150 | test_elf(test_dir, "x86", X86_MEMSZ, x86_build_id, X86_CRC); |
151 | test_elf(test_dir, "x86_64", X86_64_MEMSZ, x86_64_build_id, X86_64_CRC); | |
152 | test_elf(test_dir, "armeb", ARMEB_MEMSZ, armeb_build_id, ARMEB_CRC); | |
153 | test_elf(test_dir, "aarch64_be", AARCH64_BE_MEMSZ, aarch64_be_build_id, | |
22609c7a | 154 | AARCH64_BE_CRC); |
968f523d | 155 | test_pic(test_dir); |
22609c7a | 156 | |
bf746e7d | 157 | return exit_status(); |
22609c7a | 158 | } |