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 | ||
3c99db22 | 7 | #include <inttypes.h> |
98c2069e | 8 | #include <limits.h> |
fb31eb73 | 9 | #include <stdint.h> |
22609c7a AB |
10 | #include <stdio.h> |
11 | #include <stdlib.h> | |
12 | #include <string.h> | |
13 | ||
9d315d6d | 14 | #include "common/elf.h" |
22609c7a AB |
15 | #include "tap.h" |
16 | ||
17 | #define NUM_ARCH 4 | |
18 | #define NUM_TESTS_PER_ARCH 11 | |
968f523d AB |
19 | #define NUM_TESTS_PIC 3 |
20 | #define NUM_TESTS (NUM_ARCH * NUM_TESTS_PER_ARCH) + NUM_TESTS_PIC + 1 | |
22609c7a AB |
21 | |
22 | /* | |
23 | * Expected memsz were computed using libelf, build ID and debug link | |
24 | * were determined through readelf. | |
25 | */ | |
038eca0f AB |
26 | #define X86_MEMSZ 5732 |
27 | #define X86_64_MEMSZ 2099376 | |
28 | #define ARMEB_MEMSZ 34196 | |
29 | #define AARCH64_BE_MEMSZ 67632 | |
22609c7a AB |
30 | |
31 | #define X86_CRC 0x1531f73c | |
32 | #define X86_64_CRC 0xa048a98f | |
33 | #define ARMEB_CRC 0x9d40261b | |
34 | #define AARCH64_BE_CRC 0x2b8cedce | |
35 | ||
36 | #define BUILD_ID_LEN 20 | |
37 | #define DBG_FILE "main.elf.debug" | |
38 | ||
8d8a8c5c MD |
39 | static const uint8_t x86_build_id[BUILD_ID_LEN] = { |
40 | 0x27, 0x79, 0x2a, 0xe7, 0xaa, 0xef, 0x72, 0x5c, 0x9c, 0x52, | |
41 | 0x80, 0xec, 0x1e, 0x18, 0xd8, 0x09, 0x02, 0xba, 0xbc, 0x82 | |
42 | }; | |
43 | static const uint8_t x86_64_build_id[BUILD_ID_LEN] = { | |
44 | 0x0f, 0x87, 0xb2, 0xe2, 0x24, 0x9c, 0xe1, 0xc2, 0x24, 0xb1, | |
45 | 0xf8, 0xb6, 0x65, 0x83, 0xa3, 0xc1, 0xcb, 0x30, 0x5c, 0x63 | |
46 | }; | |
47 | static const uint8_t armeb_build_id[BUILD_ID_LEN] = { | |
48 | 0x60, 0x5d, 0x26, 0xa0, 0x0e, 0x30, 0xa4, 0x29, 0xf4, 0xf1, | |
49 | 0x85, 0x53, 0xda, 0x90, 0x68, 0xe1, 0xf5, 0x67, 0xbe, 0x42 | |
50 | }; | |
51 | static const uint8_t aarch64_be_build_id[BUILD_ID_LEN] = { | |
52 | 0xb9, 0x0a, 0xa0, 0xed, 0xd1, 0x41, 0x42, 0xc3, 0x34, 0x85, | |
53 | 0xfa, 0x27, 0x2e, 0xa9, 0x2f, 0xd2, 0xe4, 0xf7, 0xb6, 0x60 | |
54 | }; | |
55 | ||
22609c7a AB |
56 | static |
57 | void test_elf(const char *test_dir, const char *arch, uint64_t exp_memsz, | |
8d8a8c5c | 58 | const uint8_t *exp_build_id, uint32_t exp_crc) |
22609c7a AB |
59 | { |
60 | char path[PATH_MAX]; | |
61 | struct lttng_ust_elf *elf = NULL; | |
62 | int ret = 0; | |
63 | uint64_t memsz = 0; | |
64 | int has_build_id = 0; | |
65 | uint8_t *build_id = NULL; | |
66 | size_t build_id_len = 0; | |
67 | int has_debug_link = 0; | |
68 | char *dbg_file = NULL; | |
69 | uint32_t crc = 0; | |
70 | ||
71 | diag("Testing %s support", arch); | |
72 | ||
73 | snprintf(path, PATH_MAX, "%s/data/%s/main.elf", test_dir, arch); | |
74 | elf = lttng_ust_elf_create(path); | |
75 | ok(elf != NULL, "lttng_ust_elf_create"); | |
76 | ||
77 | ret = lttng_ust_elf_get_memsz(elf, &memsz); | |
78 | ok(ret == 0, "lttng_ust_elf_get_memsz returned successfully"); | |
79 | ok(memsz == exp_memsz, | |
3c99db22 | 80 | "memsz - expected: %" PRIu64 ", got: %" PRIu64, |
22609c7a AB |
81 | exp_memsz, memsz); |
82 | ||
83 | ret = lttng_ust_elf_get_build_id(elf, &build_id, &build_id_len, | |
84 | &has_build_id); | |
85 | ok(ret == 0, "lttng_ust_elf_get_build_id returned successfully"); | |
86 | ok(has_build_id == 1, "build id marked as found"); | |
87 | ok(build_id_len == BUILD_ID_LEN, | |
3c99db22 | 88 | "build_id_len - expected: %u, got: %zu", |
22609c7a AB |
89 | BUILD_ID_LEN, build_id_len); |
90 | ok(memcmp(build_id, exp_build_id, build_id_len) == 0, | |
91 | "build_id has expected value"); | |
92 | ||
93 | ret = lttng_ust_elf_get_debug_link(elf, &dbg_file, &crc, | |
94 | &has_debug_link); | |
95 | ok(ret == 0, "lttng_ust_elf_get_debug_link returned successfully"); | |
96 | ok(has_debug_link == 1, "debug link marked as found"); | |
bb4f2490 | 97 | ok(dbg_file && strcmp(dbg_file, DBG_FILE) == 0, |
22609c7a AB |
98 | "debug link filename - expected: %s, got: %s", |
99 | DBG_FILE, dbg_file); | |
100 | ok(crc == exp_crc, | |
101 | "debug link crc - expected: %#x, got: %#x", | |
102 | exp_crc, crc); | |
103 | ||
104 | free(build_id); | |
105 | free(dbg_file); | |
106 | lttng_ust_elf_destroy(elf); | |
107 | } | |
108 | ||
968f523d AB |
109 | static |
110 | void test_pic(const char *test_dir) | |
111 | { | |
112 | char exec_path[PATH_MAX]; | |
113 | char pie_path[PATH_MAX]; | |
114 | char pic_path[PATH_MAX]; | |
115 | struct lttng_ust_elf *elf = NULL; | |
116 | uint8_t is_pic; | |
117 | ||
118 | snprintf(exec_path, PATH_MAX, "%s/data/pic/hello.exec", test_dir); | |
119 | snprintf(pie_path, PATH_MAX, "%s/data/pic/hello.pie", test_dir); | |
120 | snprintf(pic_path, PATH_MAX, "%s/data/pic/hello.pic", test_dir); | |
121 | ||
122 | elf = lttng_ust_elf_create(exec_path); | |
123 | is_pic = lttng_ust_elf_is_pic(elf); | |
124 | ok(is_pic == 0, "hello.exec is not PIC"); | |
125 | lttng_ust_elf_destroy(elf); | |
126 | ||
127 | elf = lttng_ust_elf_create(pie_path); | |
128 | is_pic = lttng_ust_elf_is_pic(elf); | |
129 | ok(is_pic == 1, "hello.pie is PIC"); | |
130 | lttng_ust_elf_destroy(elf); | |
131 | ||
132 | elf = lttng_ust_elf_create(pic_path); | |
133 | is_pic = lttng_ust_elf_is_pic(elf); | |
134 | ok(is_pic == 1, "hello.pic is PIC"); | |
135 | lttng_ust_elf_destroy(elf); | |
136 | } | |
137 | ||
22609c7a AB |
138 | int main(int argc, char **argv) |
139 | { | |
62eb8bca | 140 | const char *test_dir; |
22609c7a AB |
141 | |
142 | plan_tests(NUM_TESTS); | |
143 | ||
62eb8bca MD |
144 | ok(argc == 2, "Invoke as: %s <path>", argv[0]); |
145 | if (argc != 2) { | |
146 | return EXIT_FAILURE; | |
147 | } else { | |
148 | test_dir = argv[1]; | |
149 | } | |
150 | ||
8d8a8c5c MD |
151 | test_elf(test_dir, "x86", X86_MEMSZ, x86_build_id, X86_CRC); |
152 | test_elf(test_dir, "x86_64", X86_64_MEMSZ, x86_64_build_id, X86_64_CRC); | |
153 | test_elf(test_dir, "armeb", ARMEB_MEMSZ, armeb_build_id, ARMEB_CRC); | |
154 | test_elf(test_dir, "aarch64_be", AARCH64_BE_MEMSZ, aarch64_be_build_id, | |
22609c7a | 155 | AARCH64_BE_CRC); |
968f523d | 156 | test_pic(test_dir); |
22609c7a | 157 | |
bf746e7d | 158 | return exit_status(); |
22609c7a | 159 | } |