| /* |
| * Copyright (C) 2011 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 "common_test.h" |
| |
| #include "oat.h" |
| #include "elf_file.h" |
| |
| namespace art { |
| |
| class ElfWriterTest : public CommonTest { |
| protected: |
| virtual void SetUp() { |
| ReserveImageSpace(); |
| CommonTest::SetUp(); |
| } |
| }; |
| |
| #define EXPECT_ELF_FILE_ADDRESS(ef, expected_value, symbol_name, build_map) \ |
| do { \ |
| void* addr = reinterpret_cast<void*>(ef->FindSymbolAddress(::llvm::ELF::SHT_DYNSYM, \ |
| symbol_name, \ |
| build_map)); \ |
| EXPECT_NE(nullptr, addr); \ |
| EXPECT_LT(static_cast<uintptr_t>(ART_BASE_ADDRESS), reinterpret_cast<uintptr_t>(addr)); \ |
| if (expected_value == nullptr) { \ |
| expected_value = addr; \ |
| } \ |
| EXPECT_EQ(expected_value, addr); \ |
| EXPECT_EQ(expected_value, ef->FindDynamicSymbolAddress(symbol_name)); \ |
| } while (false) |
| |
| TEST_F(ElfWriterTest, dlsym) { |
| std::string elf_filename; |
| if (IsHost()) { |
| const char* host_dir = getenv("ANDROID_HOST_OUT"); |
| CHECK(host_dir != NULL); |
| elf_filename = StringPrintf("%s/framework/core.oat", host_dir); |
| } else { |
| elf_filename = "/data/art-test/core.oat"; |
| } |
| LOG(INFO) << "elf_filename=" << elf_filename; |
| |
| UnreserveImageSpace(); |
| void* dl_oatdata = NULL; |
| void* dl_oatexec = NULL; |
| void* dl_oatlastword = NULL; |
| |
| #if defined(ART_USE_PORTABLE_COMPILER) |
| { |
| // We only use dlopen for loading with portable. See OatFile::Open. |
| void* dl_oat_so = dlopen(elf_filename.c_str(), RTLD_NOW); |
| ASSERT_TRUE(dl_oat_so != NULL) << dlerror(); |
| dl_oatdata = dlsym(dl_oat_so, "oatdata"); |
| ASSERT_TRUE(dl_oatdata != NULL); |
| |
| OatHeader* dl_oat_header = reinterpret_cast<OatHeader*>(dl_oatdata); |
| ASSERT_TRUE(dl_oat_header->IsValid()); |
| dl_oatexec = dlsym(dl_oat_so, "oatexec"); |
| ASSERT_TRUE(dl_oatexec != NULL); |
| ASSERT_LT(dl_oatdata, dl_oatexec); |
| |
| dl_oatlastword = dlsym(dl_oat_so, "oatlastword"); |
| ASSERT_TRUE(dl_oatlastword != NULL); |
| ASSERT_LT(dl_oatexec, dl_oatlastword); |
| |
| ASSERT_EQ(0, dlclose(dl_oat_so)); |
| } |
| #endif |
| |
| UniquePtr<File> file(OS::OpenFileForReading(elf_filename.c_str())); |
| ASSERT_TRUE(file.get() != NULL); |
| { |
| std::string error_msg; |
| UniquePtr<ElfFile> ef(ElfFile::Open(file.get(), false, false, &error_msg)); |
| CHECK(ef.get() != nullptr) << error_msg; |
| EXPECT_ELF_FILE_ADDRESS(ef, dl_oatdata, "oatdata", false); |
| EXPECT_ELF_FILE_ADDRESS(ef, dl_oatexec, "oatexec", false); |
| EXPECT_ELF_FILE_ADDRESS(ef, dl_oatlastword, "oatlastword", false); |
| } |
| { |
| std::string error_msg; |
| UniquePtr<ElfFile> ef(ElfFile::Open(file.get(), false, false, &error_msg)); |
| CHECK(ef.get() != nullptr) << error_msg; |
| EXPECT_ELF_FILE_ADDRESS(ef, dl_oatdata, "oatdata", true); |
| EXPECT_ELF_FILE_ADDRESS(ef, dl_oatexec, "oatexec", true); |
| EXPECT_ELF_FILE_ADDRESS(ef, dl_oatlastword, "oatlastword", true); |
| } |
| { |
| std::string error_msg; |
| UniquePtr<ElfFile> ef(ElfFile::Open(file.get(), false, true, &error_msg)); |
| CHECK(ef.get() != nullptr) << error_msg; |
| CHECK(ef->Load(false, &error_msg)) << error_msg; |
| EXPECT_EQ(dl_oatdata, ef->FindDynamicSymbolAddress("oatdata")); |
| EXPECT_EQ(dl_oatexec, ef->FindDynamicSymbolAddress("oatexec")); |
| EXPECT_EQ(dl_oatlastword, ef->FindDynamicSymbolAddress("oatlastword")); |
| } |
| } |
| |
| } // namespace art |