| /* |
| * Copyright (C) 2018 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include "dso.h" |
| |
| #include <gtest/gtest.h> |
| |
| #include <android-base/file.h> |
| #include <android-base/stringprintf.h> |
| |
| #include "get_test_data.h" |
| #include "read_apk.h" |
| #include "utils.h" |
| |
| using namespace simpleperf_dso_impl; |
| |
| TEST(DebugElfFileFinder, use_build_id_list) { |
| // Create a temp symdir with build_id_list. |
| TemporaryDir tmpdir; |
| TemporaryFile tmpfile(tmpdir.path); |
| std::string data; |
| ASSERT_TRUE(android::base::ReadFileToString(GetTestData(ELF_FILE), &data)); |
| ASSERT_TRUE(android::base::WriteStringToFile(data, tmpfile.path)); |
| BuildId build_id(ELF_FILE_BUILD_ID); |
| std::string build_id_list = android::base::StringPrintf( |
| "%s=%s\n", build_id.ToString().c_str(), android::base::Basename(tmpfile.path).c_str()); |
| std::string build_id_list_file = std::string(tmpdir.path) + "/build_id_list"; |
| ASSERT_TRUE(android::base::WriteStringToFile(build_id_list, build_id_list_file)); |
| |
| DebugElfFileFinder finder; |
| ASSERT_TRUE(finder.SetSymFsDir(tmpdir.path)); |
| ASSERT_EQ(finder.FindDebugFile("elf", false, build_id), std::string(tmpfile.path)); |
| unlink(build_id_list_file.c_str()); |
| } |
| |
| TEST(DebugElfFileFinder, concatenating_symfs_dir) { |
| DebugElfFileFinder finder; |
| ASSERT_TRUE(finder.SetSymFsDir(GetTestDataDir())); |
| ASSERT_EQ(finder.GetPathInSymFsDir("/system/libc.so"), |
| GetTestDataDir() + "system" + OS_PATH_SEPARATOR + "libc.so"); |
| ASSERT_EQ(finder.GetPathInSymFsDir("/data/base.apk!/lib/base.so"), |
| GetTestDataDir() + "data" + OS_PATH_SEPARATOR + "base.apk!/lib/base.so"); |
| |
| BuildId build_id(ELF_FILE_BUILD_ID); |
| ASSERT_EQ(finder.FindDebugFile(ELF_FILE, false, build_id), GetTestDataDir() + ELF_FILE); |
| std::string native_lib_in_apk = APK_FILE + "!/" + NATIVELIB_IN_APK; |
| std::string apk_path = APK_FILE; |
| std::replace(apk_path.begin(), apk_path.end(), '/', OS_PATH_SEPARATOR); |
| ASSERT_EQ(finder.FindDebugFile(native_lib_in_apk, false, native_lib_build_id), |
| GetTestDataDir() + apk_path + "!/" + NATIVELIB_IN_APK); |
| } |
| |
| TEST(DebugElfFileFinder, use_vdso) { |
| DebugElfFileFinder finder; |
| std::string fake_vdso32 = "fake_vdso32"; |
| std::string fake_vdso64 = "fake_vdso64"; |
| finder.SetVdsoFile(fake_vdso32, false); |
| finder.SetVdsoFile(fake_vdso64, true); |
| BuildId build_id; |
| ASSERT_EQ(finder.FindDebugFile("[vdso]", false, build_id), fake_vdso32); |
| ASSERT_EQ(finder.FindDebugFile("[vdso]", true, build_id), fake_vdso64); |
| } |
| |
| TEST(DebugElfFileFinder, add_symbol_dir) { |
| DebugElfFileFinder finder; |
| ASSERT_FALSE(finder.AddSymbolDir(GetTestDataDir() + "dir_not_exist")); |
| ASSERT_EQ(finder.FindDebugFile("elf", false, CHECK_ELF_FILE_BUILD_ID), "elf"); |
| std::string symfs_dir = GetTestDataDir() + CORRECT_SYMFS_FOR_BUILD_ID_CHECK; |
| std::replace(symfs_dir.begin(), symfs_dir.end(), '/', OS_PATH_SEPARATOR); |
| ASSERT_TRUE(finder.AddSymbolDir(symfs_dir)); |
| ASSERT_EQ(finder.FindDebugFile("elf", false, CHECK_ELF_FILE_BUILD_ID), |
| symfs_dir + OS_PATH_SEPARATOR + "elf_for_build_id_check"); |
| } |
| |
| TEST(dso, dex_file_dso) { |
| #if defined(__linux__) |
| for (DsoType dso_type : {DSO_DEX_FILE, DSO_ELF_FILE}) { |
| std::unique_ptr<Dso> dso = Dso::CreateDso(dso_type, GetTestData("base.vdex")); |
| ASSERT_TRUE(dso); |
| dso->AddDexFileOffset(0x28); |
| ASSERT_EQ(DSO_DEX_FILE, dso->type()); |
| const Symbol* symbol = dso->FindSymbol(0x6c77e); |
| ASSERT_NE(symbol, nullptr); |
| ASSERT_EQ(symbol->addr, static_cast<uint64_t>(0x6c77e)); |
| ASSERT_EQ(symbol->len, static_cast<uint64_t>(0x16)); |
| ASSERT_STREQ(symbol->DemangledName(), |
| "com.example.simpleperf.simpleperfexamplewithnative.MixActivity$1.run"); |
| uint64_t min_vaddr; |
| uint64_t file_offset_of_min_vaddr; |
| dso->GetMinExecutableVaddr(&min_vaddr, &file_offset_of_min_vaddr); |
| ASSERT_EQ(min_vaddr, 0); |
| ASSERT_EQ(file_offset_of_min_vaddr, 0); |
| |
| // Don't crash on not exist zip entry. |
| dso = Dso::CreateDso(dso_type, GetTestData("base.zip!/not_exist_entry")); |
| ASSERT_TRUE(dso); |
| ASSERT_EQ(nullptr, dso->FindSymbol(0)); |
| } |
| #else |
| GTEST_LOG_(INFO) << "This test only runs on linux because of libdexfile"; |
| #endif // defined(__linux__) |
| } |
| |
| TEST(dso, dex_file_offsets) { |
| std::unique_ptr<Dso> dso = Dso::CreateDso(DSO_DEX_FILE, ""); |
| ASSERT_TRUE(dso); |
| for (uint64_t offset : {0x3, 0x1, 0x5, 0x4, 0x2, 0x4, 0x3}) { |
| dso->AddDexFileOffset(offset); |
| } |
| ASSERT_EQ(*dso->DexFileOffsets(), std::vector<uint64_t>({0x1, 0x2, 0x3, 0x4, 0x5})); |
| } |
| |
| TEST(dso, embedded_elf) { |
| const std::string file_path = GetUrlInApk(GetTestData(APK_FILE), NATIVELIB_IN_APK); |
| std::unique_ptr<Dso> dso = Dso::CreateDso(DSO_ELF_FILE, file_path); |
| ASSERT_TRUE(dso); |
| ASSERT_EQ(dso->Path(), file_path); |
| ASSERT_EQ(dso->GetDebugFilePath(), file_path); |
| uint64_t min_vaddr; |
| uint64_t file_offset_of_min_vaddr; |
| dso->GetMinExecutableVaddr(&min_vaddr, &file_offset_of_min_vaddr); |
| ASSERT_EQ(min_vaddr, 0); |
| ASSERT_EQ(file_offset_of_min_vaddr, 0); |
| const Symbol* symbol = dso->FindSymbol(0x9a4); |
| ASSERT_TRUE(symbol != nullptr); |
| ASSERT_STREQ(symbol->Name(), "Java_com_example_hellojni_HelloJni_callFunc1"); |
| BuildId build_id; |
| ASSERT_TRUE(GetBuildIdFromDsoPath(file_path, &build_id)); |
| ASSERT_EQ(build_id, native_lib_build_id); |
| } |
| |
| TEST(dso, IpToVaddrInFile) { |
| std::unique_ptr<Dso> dso = Dso::CreateDso(DSO_ELF_FILE, GetTestData("libc.so")); |
| ASSERT_TRUE(dso); |
| ASSERT_EQ(0xa5140, dso->IpToVaddrInFile(0xe9201140, 0xe9201000, 0xa5000)); |
| } |