X-Git-Url: http://git.efficios.com/?p=deliverable%2Flttng-ust.git;a=blobdiff_plain;f=tests%2Fust-elf%2Fust-elf.c;fp=tests%2Fust-elf%2Fust-elf.c;h=4036563ae44b9fa6dd8a7f32a8c1b63b41b1e23d;hp=0000000000000000000000000000000000000000;hb=37b3de59bcd96baf15c2361d64b47e4f20495fa4;hpb=dc5af9e3311ab28f2728f540f06e61add9d7b5eb diff --git a/tests/ust-elf/ust-elf.c b/tests/ust-elf/ust-elf.c new file mode 100644 index 00000000..4036563a --- /dev/null +++ b/tests/ust-elf/ust-elf.c @@ -0,0 +1,169 @@ +/* + * Copyright (C) 2015 Antoine Busque + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include +#include +#include +#include + +#include +#include "tap.h" + +#define NUM_ARCH 4 +#define NUM_TESTS_PER_ARCH 11 +#define NUM_TESTS_PIC 3 +#define NUM_TESTS (NUM_ARCH * NUM_TESTS_PER_ARCH) + NUM_TESTS_PIC + 1 + +/* + * Expected memsz were computed using libelf, build ID and debug link + * were determined through readelf. + */ +#define X86_MEMSZ 5732 +#define X86_64_MEMSZ 2099376 +#define ARMEB_MEMSZ 34196 +#define AARCH64_BE_MEMSZ 67632 + +#define X86_CRC 0x1531f73c +#define X86_64_CRC 0xa048a98f +#define ARMEB_CRC 0x9d40261b +#define AARCH64_BE_CRC 0x2b8cedce + +#define BUILD_ID_LEN 20 +#define DBG_FILE "main.elf.debug" + +static const uint8_t x86_build_id[BUILD_ID_LEN] = { + 0x27, 0x79, 0x2a, 0xe7, 0xaa, 0xef, 0x72, 0x5c, 0x9c, 0x52, + 0x80, 0xec, 0x1e, 0x18, 0xd8, 0x09, 0x02, 0xba, 0xbc, 0x82 +}; +static const uint8_t x86_64_build_id[BUILD_ID_LEN] = { + 0x0f, 0x87, 0xb2, 0xe2, 0x24, 0x9c, 0xe1, 0xc2, 0x24, 0xb1, + 0xf8, 0xb6, 0x65, 0x83, 0xa3, 0xc1, 0xcb, 0x30, 0x5c, 0x63 +}; +static const uint8_t armeb_build_id[BUILD_ID_LEN] = { + 0x60, 0x5d, 0x26, 0xa0, 0x0e, 0x30, 0xa4, 0x29, 0xf4, 0xf1, + 0x85, 0x53, 0xda, 0x90, 0x68, 0xe1, 0xf5, 0x67, 0xbe, 0x42 +}; +static const uint8_t aarch64_be_build_id[BUILD_ID_LEN] = { + 0xb9, 0x0a, 0xa0, 0xed, 0xd1, 0x41, 0x42, 0xc3, 0x34, 0x85, + 0xfa, 0x27, 0x2e, 0xa9, 0x2f, 0xd2, 0xe4, 0xf7, 0xb6, 0x60 +}; + +static +void test_elf(const char *test_dir, const char *arch, uint64_t exp_memsz, + const uint8_t *exp_build_id, uint32_t exp_crc) +{ + char path[PATH_MAX]; + struct lttng_ust_elf *elf = NULL; + int ret = 0; + uint64_t memsz = 0; + int has_build_id = 0; + uint8_t *build_id = NULL; + size_t build_id_len = 0; + int has_debug_link = 0; + char *dbg_file = NULL; + uint32_t crc = 0; + + diag("Testing %s support", arch); + + snprintf(path, PATH_MAX, "%s/data/%s/main.elf", test_dir, arch); + elf = lttng_ust_elf_create(path); + ok(elf != NULL, "lttng_ust_elf_create"); + + ret = lttng_ust_elf_get_memsz(elf, &memsz); + ok(ret == 0, "lttng_ust_elf_get_memsz returned successfully"); + ok(memsz == exp_memsz, + "memsz - expected: %lu, got: %lu", + exp_memsz, memsz); + + ret = lttng_ust_elf_get_build_id(elf, &build_id, &build_id_len, + &has_build_id); + ok(ret == 0, "lttng_ust_elf_get_build_id returned successfully"); + ok(has_build_id == 1, "build id marked as found"); + ok(build_id_len == BUILD_ID_LEN, + "build_id_len - expected: %u, got: %u", + BUILD_ID_LEN, build_id_len); + ok(memcmp(build_id, exp_build_id, build_id_len) == 0, + "build_id has expected value"); + + ret = lttng_ust_elf_get_debug_link(elf, &dbg_file, &crc, + &has_debug_link); + ok(ret == 0, "lttng_ust_elf_get_debug_link returned successfully"); + ok(has_debug_link == 1, "debug link marked as found"); + ok(dbg_file && strcmp(dbg_file, DBG_FILE) == 0, + "debug link filename - expected: %s, got: %s", + DBG_FILE, dbg_file); + ok(crc == exp_crc, + "debug link crc - expected: %#x, got: %#x", + exp_crc, crc); + + free(build_id); + free(dbg_file); + lttng_ust_elf_destroy(elf); +} + +static +void test_pic(const char *test_dir) +{ + char exec_path[PATH_MAX]; + char pie_path[PATH_MAX]; + char pic_path[PATH_MAX]; + struct lttng_ust_elf *elf = NULL; + uint8_t is_pic; + + snprintf(exec_path, PATH_MAX, "%s/data/pic/hello.exec", test_dir); + snprintf(pie_path, PATH_MAX, "%s/data/pic/hello.pie", test_dir); + snprintf(pic_path, PATH_MAX, "%s/data/pic/hello.pic", test_dir); + + elf = lttng_ust_elf_create(exec_path); + is_pic = lttng_ust_elf_is_pic(elf); + ok(is_pic == 0, "hello.exec is not PIC"); + lttng_ust_elf_destroy(elf); + + elf = lttng_ust_elf_create(pie_path); + is_pic = lttng_ust_elf_is_pic(elf); + ok(is_pic == 1, "hello.pie is PIC"); + lttng_ust_elf_destroy(elf); + + elf = lttng_ust_elf_create(pic_path); + is_pic = lttng_ust_elf_is_pic(elf); + ok(is_pic == 1, "hello.pic is PIC"); + lttng_ust_elf_destroy(elf); +} + +int main(int argc, char **argv) +{ + const char *test_dir; + + plan_tests(NUM_TESTS); + + ok(argc == 2, "Invoke as: %s ", argv[0]); + if (argc != 2) { + return EXIT_FAILURE; + } else { + test_dir = argv[1]; + } + + test_elf(test_dir, "x86", X86_MEMSZ, x86_build_id, X86_CRC); + test_elf(test_dir, "x86_64", X86_64_MEMSZ, x86_64_build_id, X86_64_CRC); + test_elf(test_dir, "armeb", ARMEB_MEMSZ, armeb_build_id, ARMEB_CRC); + test_elf(test_dir, "aarch64_be", AARCH64_BE_MEMSZ, aarch64_be_build_id, + AARCH64_BE_CRC); + test_pic(test_dir); + + return EXIT_SUCCESS; +}