2 * Copyright (C) 2015 The Android Open Source Project
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
19 #include <gtest/gtest.h>
22 #include "get_test_data.h"
23 #include "test_util.h"
25 TEST(read_elf, GetBuildIdFromElfFile) {
27 ASSERT_TRUE(GetBuildIdFromElfFile(GetTestData(ELF_FILE), &build_id));
28 ASSERT_EQ(build_id, BuildId(elf_file_build_id));
31 TEST(read_elf, GetBuildIdFromEmbeddedElfFile) {
33 ASSERT_TRUE(GetBuildIdFromEmbeddedElfFile(GetTestData(APK_FILE), NATIVELIB_OFFSET_IN_APK,
34 NATIVELIB_SIZE_IN_APK, &build_id));
35 ASSERT_EQ(build_id, native_lib_build_id);
38 void ParseSymbol(const ElfFileSymbol& symbol, std::map<std::string, ElfFileSymbol>* symbols) {
39 (*symbols)[symbol.name] = symbol;
42 static void CheckGlobalVariableSymbols(const std::map<std::string, ElfFileSymbol>& symbols) {
43 auto pos = symbols.find("GlobalVar");
44 ASSERT_NE(pos, symbols.end());
45 ASSERT_FALSE(pos->second.is_func);
48 static void CheckFunctionSymbols(const std::map<std::string, ElfFileSymbol>& symbols) {
49 auto pos = symbols.find("GlobalFunc");
50 ASSERT_NE(pos, symbols.end());
51 ASSERT_TRUE(pos->second.is_func);
52 ASSERT_TRUE(pos->second.is_in_text_section);
55 void CheckElfFileSymbols(const std::map<std::string, ElfFileSymbol>& symbols) {
56 CheckGlobalVariableSymbols(symbols);
57 CheckFunctionSymbols(symbols);
60 TEST(read_elf, parse_symbols_from_elf_file_with_correct_build_id) {
61 std::map<std::string, ElfFileSymbol> symbols;
62 ASSERT_TRUE(ParseSymbolsFromElfFile(GetTestData(ELF_FILE), elf_file_build_id,
63 std::bind(ParseSymbol, std::placeholders::_1, &symbols)));
64 CheckElfFileSymbols(symbols);
67 TEST(read_elf, parse_symbols_from_elf_file_without_build_id) {
68 std::map<std::string, ElfFileSymbol> symbols;
69 ASSERT_TRUE(ParseSymbolsFromElfFile(GetTestData(ELF_FILE), BuildId(),
70 std::bind(ParseSymbol, std::placeholders::_1, &symbols)));
71 CheckElfFileSymbols(symbols);
74 TEST(read_elf, parse_symbols_from_elf_file_with_wrong_build_id) {
75 BuildId build_id("01010101010101010101");
76 std::map<std::string, ElfFileSymbol> symbols;
77 ASSERT_FALSE(ParseSymbolsFromElfFile(GetTestData(ELF_FILE), build_id,
78 std::bind(ParseSymbol, std::placeholders::_1, &symbols)));
81 TEST(read_elf, ParseSymbolsFromEmbeddedElfFile) {
82 std::map<std::string, ElfFileSymbol> symbols;
83 ASSERT_TRUE(ParseSymbolsFromEmbeddedElfFile(GetTestData(APK_FILE), NATIVELIB_OFFSET_IN_APK,
84 NATIVELIB_SIZE_IN_APK, native_lib_build_id,
85 std::bind(ParseSymbol, std::placeholders::_1, &symbols)));
86 CheckElfFileSymbols(symbols);
89 TEST(read_elf, ParseSymbolFromMiniDebugInfoElfFile) {
90 std::map<std::string, ElfFileSymbol> symbols;
91 ASSERT_TRUE(ParseSymbolsFromElfFile(GetTestData(ELF_FILE_WITH_MINI_DEBUG_INFO), BuildId(),
92 std::bind(ParseSymbol, std::placeholders::_1, &symbols)));
93 CheckFunctionSymbols(symbols);
96 TEST(read_elf, arm_mapping_symbol) {
97 ASSERT_TRUE(IsArmMappingSymbol("$a"));
98 ASSERT_FALSE(IsArmMappingSymbol("$b"));
99 ASSERT_TRUE(IsArmMappingSymbol("$a.anything"));
100 ASSERT_FALSE(IsArmMappingSymbol("$a_no_dot"));
103 TEST(read_elf, IsValidElfPath) {
104 ASSERT_FALSE(IsValidElfPath("/dev/zero"));
105 ASSERT_FALSE(IsValidElfPath("/sys/devices/system/cpu/online"));
106 ASSERT_TRUE(IsValidElfPath(GetTestData(ELF_FILE)));