| /* |
| * Copyright (C) 2015 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 <memory> |
| #include <vector> |
| |
| #include "arch/instruction_set.h" |
| #include "base/arena_allocator.h" |
| #include "base/enums.h" |
| #include "cfi_test.h" |
| #include "gtest/gtest.h" |
| #include "jni/quick/calling_convention.h" |
| #include "read_barrier_config.h" |
| #include "utils/assembler.h" |
| #include "utils/jni_macro_assembler.h" |
| |
| #include "jni/jni_cfi_test_expected.inc" |
| |
| namespace art { |
| |
| // Run the tests only on host. |
| #ifndef ART_TARGET_ANDROID |
| |
| class JNICFITest : public CFITest { |
| public: |
| // Enable this flag to generate the expected outputs. |
| static constexpr bool kGenerateExpected = false; |
| |
| void TestImpl(InstructionSet isa, |
| const char* isa_str, |
| const std::vector<uint8_t>& expected_asm, |
| const std::vector<uint8_t>& expected_cfi) { |
| if (Is64BitInstructionSet(isa)) { |
| TestImplSized<PointerSize::k64>(isa, isa_str, expected_asm, expected_cfi); |
| } else { |
| TestImplSized<PointerSize::k32>(isa, isa_str, expected_asm, expected_cfi); |
| } |
| } |
| |
| private: |
| template <PointerSize kPointerSize> |
| void TestImplSized(InstructionSet isa, |
| const char* isa_str, |
| const std::vector<uint8_t>& expected_asm, |
| const std::vector<uint8_t>& expected_cfi) { |
| // Description of simple method. |
| const bool is_static = true; |
| const bool is_synchronized = false; |
| const char* shorty = "IIFII"; |
| |
| ArenaPool pool; |
| ArenaAllocator allocator(&pool); |
| |
| std::unique_ptr<JniCallingConvention> jni_conv( |
| JniCallingConvention::Create(&allocator, |
| is_static, |
| is_synchronized, |
| /*is_critical_native*/false, |
| shorty, |
| isa)); |
| std::unique_ptr<ManagedRuntimeCallingConvention> mr_conv( |
| ManagedRuntimeCallingConvention::Create( |
| &allocator, is_static, is_synchronized, shorty, isa)); |
| const int frame_size(jni_conv->FrameSize()); |
| ArrayRef<const ManagedRegister> callee_save_regs = jni_conv->CalleeSaveRegisters(); |
| |
| // Assemble the method. |
| std::unique_ptr<JNIMacroAssembler<kPointerSize>> jni_asm( |
| JNIMacroAssembler<kPointerSize>::Create(&allocator, isa)); |
| jni_asm->cfi().SetEnabled(true); |
| jni_asm->BuildFrame(frame_size, mr_conv->MethodRegister(), |
| callee_save_regs, mr_conv->EntrySpills()); |
| jni_asm->IncreaseFrameSize(32); |
| jni_asm->DecreaseFrameSize(32); |
| jni_asm->RemoveFrame(frame_size, callee_save_regs, /* may_suspend */ true); |
| jni_asm->FinalizeCode(); |
| std::vector<uint8_t> actual_asm(jni_asm->CodeSize()); |
| MemoryRegion code(&actual_asm[0], actual_asm.size()); |
| jni_asm->FinalizeInstructions(code); |
| ASSERT_EQ(jni_asm->cfi().GetCurrentCFAOffset(), frame_size); |
| const std::vector<uint8_t>& actual_cfi = *(jni_asm->cfi().data()); |
| |
| if (kGenerateExpected) { |
| GenerateExpected(stdout, isa, isa_str, actual_asm, actual_cfi); |
| } else { |
| EXPECT_EQ(expected_asm, actual_asm); |
| EXPECT_EQ(expected_cfi, actual_cfi); |
| } |
| } |
| }; |
| |
| #define TEST_ISA(isa) \ |
| TEST_F(JNICFITest, isa) { \ |
| std::vector<uint8_t> expected_asm(expected_asm_##isa, \ |
| expected_asm_##isa + arraysize(expected_asm_##isa)); \ |
| std::vector<uint8_t> expected_cfi(expected_cfi_##isa, \ |
| expected_cfi_##isa + arraysize(expected_cfi_##isa)); \ |
| TestImpl(isa, #isa, expected_asm, expected_cfi); \ |
| } |
| |
| #ifdef ART_ENABLE_CODEGEN_arm |
| // Run the tests for ARM only with Baker read barriers, as the |
| // expected generated code contains a Marking Register refresh |
| // instruction. |
| #if defined(USE_READ_BARRIER) && defined(USE_BAKER_READ_BARRIER) |
| TEST_ISA(kThumb2) |
| #endif |
| #endif |
| |
| #ifdef ART_ENABLE_CODEGEN_arm64 |
| // Run the tests for ARM64 only with Baker read barriers, as the |
| // expected generated code contains a Marking Register refresh |
| // instruction. |
| #if defined(USE_READ_BARRIER) && defined(USE_BAKER_READ_BARRIER) |
| TEST_ISA(kArm64) |
| #endif |
| #endif |
| |
| #ifdef ART_ENABLE_CODEGEN_x86 |
| TEST_ISA(kX86) |
| #endif |
| |
| #ifdef ART_ENABLE_CODEGEN_x86_64 |
| TEST_ISA(kX86_64) |
| #endif |
| |
| #ifdef ART_ENABLE_CODEGEN_mips |
| TEST_ISA(kMips) |
| #endif |
| |
| #ifdef ART_ENABLE_CODEGEN_mips64 |
| TEST_ISA(kMips64) |
| #endif |
| |
| #endif // ART_TARGET_ANDROID |
| |
| } // namespace art |