--- /dev/null
+/*
+ * test_so_info.c
+ *
+ * Babeltrace SO info tests
+ *
+ * Copyright (c) 2015 EfficiOS Inc. and Linux Foundation
+ * Copyright (c) 2015 Antoine Busque <abusque@efficios.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; under version 2 of the License.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <babeltrace/so-info.h>
+#include "tap/tap.h"
+
+#define NR_TESTS 36
+#define SO_NAME "libhello.so"
+#define SO_NAME_ELF "libhello_elf.so"
+#define SO_NAME_BUILD_ID "libhello_build_id.so"
+#define SO_NAME_DEBUG_LINK "libhello_debug_link.so"
+#define SO_LOW_ADDR 0x400000
+#define SO_MEMSZ 0x400000
+#define FUNC_FOO_ADDR 0x4014ee
+#define FUNC_FOO_LINE_NO 8
+#define FUNC_FOO_FILENAME "/efficios/libhello.c"
+#define FUNC_FOO_TP_ADDR 0x4014d3
+#define FUNC_FOO_TP_LINE_NO 7
+#define FUNC_FOO_TP_FILENAME "/efficios/libhello.c"
+#define FUNC_FOO_ADDR_ELF 0x4013ef
+#define FUNC_FOO_ADDR_DBG_LINK 0x40148e
+#define FUNC_FOO_NAME "foo"
+#define FUNC_FOO_NAME_ELF "foo+0x24"
+#define BUILD_ID_LEN 20
+
+char *opt_debug_dir;
+
+static
+void test_so_info_build_id(const char *data_dir)
+{
+ int ret;
+ char path[PATH_MAX];
+ char *func_name = NULL;
+ struct so_info *so = NULL;
+ struct source_location *src_loc = NULL;
+ uint8_t build_id[BUILD_ID_LEN] = {
+ 0xcd, 0xd9, 0x8c, 0xdd, 0x87, 0xf7, 0xfe, 0x64, 0xc1, 0x3b,
+ 0x6d, 0xaa, 0xd5, 0x53, 0x98, 0x7e, 0xaf, 0xd4, 0x0c, 0xbb
+ };
+
+ diag("so-info tests - separate DWARF via build ID");
+
+ snprintf(path, PATH_MAX, "%s/%s", data_dir, SO_NAME_BUILD_ID);
+
+ so = so_info_create(path, SO_LOW_ADDR, SO_MEMSZ);
+ ok(so != NULL, "so_info_create succesful");
+
+ /* Test setting build_id */
+ ret = so_info_set_build_id(so, build_id, BUILD_ID_LEN);
+ ok(ret == 0, "so_info_set_build_id succesful");
+
+ /* Test function name lookup (with DWARF) */
+ ret = so_info_lookup_function_name(so, FUNC_FOO_ADDR, &func_name);
+ ok(ret == 0, "so_info_lookup_function_name succesful");
+ ok(strcmp(func_name, FUNC_FOO_NAME) == 0,
+ "so_info_lookup_function_name - correct func_name value");
+ free(func_name);
+
+ /* Test source location lookup */
+ ret = so_info_lookup_source_location(so, FUNC_FOO_ADDR, &src_loc);
+ ok(ret == 0, "so_info_lookup_source_location succesful");
+ ok(src_loc->line_no == FUNC_FOO_LINE_NO,
+ "so_info_lookup_source_location - correct line_no");
+ ok(strcmp(src_loc->filename, FUNC_FOO_FILENAME) == 0,
+ "so_info_lookup_source_location - correct filename");
+ source_location_destroy(src_loc);
+
+ so_info_destroy(so);
+}
+
+static
+void test_so_info_debug_link(const char *data_dir)
+{
+ int ret;
+ char path[PATH_MAX];
+ char *func_name = NULL;
+ struct so_info *so = NULL;
+ struct source_location *src_loc = NULL;
+ char *dbg_filename = "libhello_debug_link.so.debug";
+ uint32_t crc = 0xe55c2b98;
+
+ diag("so-info tests - separate DWARF via debug link");
+
+ snprintf(path, PATH_MAX, "%s/%s", data_dir, SO_NAME_DEBUG_LINK);
+
+ so = so_info_create(path, SO_LOW_ADDR, SO_MEMSZ);
+ ok(so != NULL, "so_info_create succesful");
+
+ /* Test setting debug link */
+ ret = so_info_set_debug_link(so, dbg_filename, crc);
+ ok(ret == 0, "so_info_set_debug_link succesful");
+
+ /* Test function name lookup (with DWARF) */
+ ret = so_info_lookup_function_name(so, FUNC_FOO_ADDR_DBG_LINK,
+ &func_name);
+ ok(ret == 0, "so_info_lookup_function_name succesful");
+ ok(strcmp(func_name, FUNC_FOO_NAME) == 0,
+ "so_info_lookup_function_name - correct func_name value");
+ free(func_name);
+
+ /* Test source location lookup */
+ ret = so_info_lookup_source_location(so, FUNC_FOO_ADDR_DBG_LINK,
+ &src_loc);
+ ok(ret == 0, "so_info_lookup_source_location succesful");
+ ok(src_loc->line_no == FUNC_FOO_LINE_NO,
+ "so_info_lookup_source_location - correct line_no");
+ ok(strcmp(src_loc->filename, FUNC_FOO_FILENAME) == 0,
+ "so_info_lookup_source_location - correct filename");
+ source_location_destroy(src_loc);
+
+ so_info_destroy(so);
+}
+
+static
+void test_so_info_elf(const char *data_dir)
+{
+ int ret;
+ char path[PATH_MAX];
+ char *func_name = NULL;
+ struct so_info *so = NULL;
+ struct source_location *src_loc = NULL;
+
+ diag("so-info tests - ELF only");
+
+ snprintf(path, PATH_MAX, "%s/%s", data_dir, SO_NAME_ELF);
+
+ so = so_info_create(path, SO_LOW_ADDR, SO_MEMSZ);
+ ok(so != NULL, "so_info_create succesful");
+
+ /* Test function name lookup (with ELF) */
+ ret = so_info_lookup_function_name(so, FUNC_FOO_ADDR_ELF, &func_name);
+ ok(ret == 0, "so_info_lookup_function_name succesful");
+ ok(strcmp(func_name, FUNC_FOO_NAME_ELF) == 0,
+ "so_info_lookup_function_name - correct func_name value");
+ free(func_name);
+ func_name = NULL;
+
+ /* Test function name lookup - erroneous address */
+ ret = so_info_lookup_function_name(so, 0, &func_name);
+ ok(ret == -1 && func_name == NULL,
+ "so_info_lookup_function_name - fail on addr not found");
+
+ /* Test source location location - should fail on ELF only file */
+ ret = so_info_lookup_source_location(so, FUNC_FOO_ADDR_ELF, &src_loc);
+ ok(ret == -1, "so_info_lookup_source_location - fail on ELF only file");
+
+ source_location_destroy(src_loc);
+ so_info_destroy(so);
+}
+
+static
+void test_so_info(const char *data_dir)
+{
+ int ret;
+ char path[PATH_MAX];
+ char *func_name = NULL;
+ struct so_info *so = NULL;
+ struct source_location *src_loc = NULL;
+
+ diag("so-info tests - DWARF bundled with SO file");
+
+ snprintf(path, PATH_MAX, "%s/%s", data_dir, SO_NAME);
+
+ so = so_info_create(path, SO_LOW_ADDR, SO_MEMSZ);
+ ok(so != NULL, "so_info_create succesful");
+
+ /* Test so_info_has_address */
+ ret = so_info_has_address(so, 0);
+ ok(ret == 0, "so_info_has_address - address under so's range");
+ ret = so_info_has_address(so, SO_LOW_ADDR);
+ ok(ret == 1, "so_info_has_address - lower bound of so's range");
+ ret = so_info_has_address(so, FUNC_FOO_ADDR);
+ ok(ret == 1, "so_info_has_address - address in so's range");
+ ret = so_info_has_address(so, SO_LOW_ADDR + SO_MEMSZ - 1);
+ ok(ret == 1, "so_info_has_address - upper bound of so's range");
+ ret = so_info_has_address(so, SO_LOW_ADDR + SO_MEMSZ);
+ ok(ret == 0, "so_info_has_address - address above so's range");
+
+ /* Test function name lookup (with DWARF) */
+ ret = so_info_lookup_function_name(so, FUNC_FOO_ADDR, &func_name);
+ ok(ret == 0, "so_info_lookup_function_name succesful");
+ ok(strcmp(func_name, FUNC_FOO_NAME) == 0,
+ "so_info_lookup_function_name - correct func_name value");
+ free(func_name);
+ func_name = NULL;
+
+ /* Test function name lookup - erroneous address */
+ ret = so_info_lookup_function_name(so, 0, &func_name);
+ ok(ret == -1 && func_name == NULL,
+ "so_info_lookup_function_name - fail on addr not found");
+
+ /* Test source location lookup */
+ ret = so_info_lookup_source_location(so, FUNC_FOO_ADDR, &src_loc);
+ ok(ret == 0, "so_info_lookup_source_location succesful");
+ ok(src_loc->line_no == FUNC_FOO_LINE_NO,
+ "so_info_lookup_source_location - correct line_no");
+ ok(strcmp(src_loc->filename, FUNC_FOO_FILENAME) == 0,
+ "so_info_lookup_source_location - correct filename");
+ source_location_destroy(src_loc);
+ src_loc = NULL;
+
+ /* Test source location lookup - inlined function */
+ ret = so_info_lookup_source_location(so, FUNC_FOO_TP_ADDR, &src_loc);
+ ok(ret == 0,
+ "so_info_lookup_source_location (inlined func) succesful");
+ ok(src_loc->line_no == FUNC_FOO_TP_LINE_NO,
+ "so_info_lookup_source_location (inlined func) - correct line_no");
+ ok(strcmp(src_loc->filename, FUNC_FOO_TP_FILENAME) == 0,
+ "so_info_lookup_source_location (inlined func) - correct filename");
+ source_location_destroy(src_loc);
+ src_loc = NULL;
+
+ /* Test source location lookup - erroneous address */
+ ret = so_info_lookup_source_location(so, 0, &src_loc);
+ ok(ret == -1 && src_loc == NULL,
+ "so_info_lookup_source_location - fail on addr not found");
+
+ so_info_destroy(so);
+}
+
+int main(int argc, char **argv)
+{
+ int ret;
+
+ plan_tests(NR_TESTS);
+
+ if (argc != 2) {
+ return EXIT_FAILURE;
+ } else {
+ opt_debug_dir = argv[1];
+ }
+
+ ret = so_info_init();
+ ok(ret == 0, "so_info_init succesful");
+
+ test_so_info(opt_debug_dir);
+ test_so_info_elf(opt_debug_dir);
+ test_so_info_build_id(opt_debug_dir);
+ test_so_info_debug_link(opt_debug_dir);
+
+ return EXIT_SUCCESS;
+}
projects / babeltrace.git / commitdiff
