2 * Copyright (C) 2015 Antoine Busque <abusque@efficios.com>
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
25 #include <lttng/ust-elf.h>
29 #define NUM_TESTS_PER_ARCH 11
30 #define NUM_TESTS_PIC 3
31 #define NUM_TESTS (NUM_ARCH * NUM_TESTS_PER_ARCH) + NUM_TESTS_PIC + 1
34 * Expected memsz were computed using libelf, build ID and debug link
35 * were determined through readelf.
37 #define X86_MEMSZ 5732
38 #define X86_64_MEMSZ 2099376
39 #define ARMEB_MEMSZ 34196
40 #define AARCH64_BE_MEMSZ 67632
42 #define X86_CRC 0x1531f73c
43 #define X86_64_CRC 0xa048a98f
44 #define ARMEB_CRC 0x9d40261b
45 #define AARCH64_BE_CRC 0x2b8cedce
47 #define BUILD_ID_LEN 20
48 #define DBG_FILE "main.elf.debug"
50 static const uint8_t x86_build_id
[BUILD_ID_LEN
] = {
51 0x27, 0x79, 0x2a, 0xe7, 0xaa, 0xef, 0x72, 0x5c, 0x9c, 0x52,
52 0x80, 0xec, 0x1e, 0x18, 0xd8, 0x09, 0x02, 0xba, 0xbc, 0x82
54 static const uint8_t x86_64_build_id
[BUILD_ID_LEN
] = {
55 0x0f, 0x87, 0xb2, 0xe2, 0x24, 0x9c, 0xe1, 0xc2, 0x24, 0xb1,
56 0xf8, 0xb6, 0x65, 0x83, 0xa3, 0xc1, 0xcb, 0x30, 0x5c, 0x63
58 static const uint8_t armeb_build_id
[BUILD_ID_LEN
] = {
59 0x60, 0x5d, 0x26, 0xa0, 0x0e, 0x30, 0xa4, 0x29, 0xf4, 0xf1,
60 0x85, 0x53, 0xda, 0x90, 0x68, 0xe1, 0xf5, 0x67, 0xbe, 0x42
62 static const uint8_t aarch64_be_build_id
[BUILD_ID_LEN
] = {
63 0xb9, 0x0a, 0xa0, 0xed, 0xd1, 0x41, 0x42, 0xc3, 0x34, 0x85,
64 0xfa, 0x27, 0x2e, 0xa9, 0x2f, 0xd2, 0xe4, 0xf7, 0xb6, 0x60
68 void test_elf(const char *test_dir
, const char *arch
, uint64_t exp_memsz
,
69 const uint8_t *exp_build_id
, uint32_t exp_crc
)
72 struct lttng_ust_elf
*elf
= NULL
;
76 uint8_t *build_id
= NULL
;
77 size_t build_id_len
= 0;
78 int has_debug_link
= 0;
79 char *dbg_file
= NULL
;
82 diag("Testing %s support", arch
);
84 snprintf(path
, PATH_MAX
, "%s/data/%s/main.elf", test_dir
, arch
);
85 elf
= lttng_ust_elf_create(path
);
86 ok(elf
!= NULL
, "lttng_ust_elf_create");
88 ret
= lttng_ust_elf_get_memsz(elf
, &memsz
);
89 ok(ret
== 0, "lttng_ust_elf_get_memsz returned successfully");
90 ok(memsz
== exp_memsz
,
91 "memsz - expected: %lu, got: %lu",
94 ret
= lttng_ust_elf_get_build_id(elf
, &build_id
, &build_id_len
,
96 ok(ret
== 0, "lttng_ust_elf_get_build_id returned successfully");
97 ok(has_build_id
== 1, "build id marked as found");
98 ok(build_id_len
== BUILD_ID_LEN
,
99 "build_id_len - expected: %u, got: %u",
100 BUILD_ID_LEN
, build_id_len
);
101 ok(memcmp(build_id
, exp_build_id
, build_id_len
) == 0,
102 "build_id has expected value");
104 ret
= lttng_ust_elf_get_debug_link(elf
, &dbg_file
, &crc
,
106 ok(ret
== 0, "lttng_ust_elf_get_debug_link returned successfully");
107 ok(has_debug_link
== 1, "debug link marked as found");
108 ok(dbg_file
&& strcmp(dbg_file
, DBG_FILE
) == 0,
109 "debug link filename - expected: %s, got: %s",
112 "debug link crc - expected: %#x, got: %#x",
117 lttng_ust_elf_destroy(elf
);
121 void test_pic(const char *test_dir
)
123 char exec_path
[PATH_MAX
];
124 char pie_path
[PATH_MAX
];
125 char pic_path
[PATH_MAX
];
126 struct lttng_ust_elf
*elf
= NULL
;
129 snprintf(exec_path
, PATH_MAX
, "%s/data/pic/hello.exec", test_dir
);
130 snprintf(pie_path
, PATH_MAX
, "%s/data/pic/hello.pie", test_dir
);
131 snprintf(pic_path
, PATH_MAX
, "%s/data/pic/hello.pic", test_dir
);
133 elf
= lttng_ust_elf_create(exec_path
);
134 is_pic
= lttng_ust_elf_is_pic(elf
);
135 ok(is_pic
== 0, "hello.exec is not PIC");
136 lttng_ust_elf_destroy(elf
);
138 elf
= lttng_ust_elf_create(pie_path
);
139 is_pic
= lttng_ust_elf_is_pic(elf
);
140 ok(is_pic
== 1, "hello.pie is PIC");
141 lttng_ust_elf_destroy(elf
);
143 elf
= lttng_ust_elf_create(pic_path
);
144 is_pic
= lttng_ust_elf_is_pic(elf
);
145 ok(is_pic
== 1, "hello.pic is PIC");
146 lttng_ust_elf_destroy(elf
);
149 int main(int argc
, char **argv
)
151 const char *test_dir
;
153 plan_tests(NUM_TESTS
);
155 ok(argc
== 2, "Invoke as: %s <path>", argv
[0]);
162 test_elf(test_dir
, "x86", X86_MEMSZ
, x86_build_id
, X86_CRC
);
163 test_elf(test_dir
, "x86_64", X86_64_MEMSZ
, x86_64_build_id
, X86_64_CRC
);
164 test_elf(test_dir
, "armeb", ARMEB_MEMSZ
, armeb_build_id
, ARMEB_CRC
);
165 test_elf(test_dir
, "aarch64_be", AARCH64_BE_MEMSZ
, aarch64_be_build_id
,
169 return exit_status();
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