// Copyright 2019 the V8 project authors. All rights reserved. // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following // disclaimer in the documentation and/or other materials provided // with the distribution. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived // from this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. #include #include "src/init/v8.h" #include "src/base/platform/platform.h" #include "src/codegen/arm64/assembler-arm64-inl.h" #include "src/codegen/macro-assembler.h" #include "src/execution/simulator.h" #include "src/heap/factory.h" #include "src/objects/objects-inl.h" #include "src/objects/smi.h" #include "src/utils/ostreams.h" #include "test/cctest/cctest.h" #include "test/common/assembler-tester.h" namespace v8 { namespace internal { namespace test_macro_assembler_arm64 { using F0 = int(); #define __ masm. TEST(EmbeddedObj) { #ifdef V8_COMPRESS_POINTERS Isolate* isolate = CcTest::i_isolate(); HandleScope handles(isolate); auto buffer = AllocateAssemblerBuffer(); MacroAssembler masm(isolate, v8::internal::CodeObjectRequired::kYes, buffer->CreateView()); Handle old_array = isolate->factory()->NewFixedArray(2000); Handle my_array = isolate->factory()->NewFixedArray(1000); __ Mov(w4, Immediate(my_array, RelocInfo::COMPRESSED_EMBEDDED_OBJECT)); __ Mov(x5, old_array); __ ret(x5); CodeDesc desc; masm.GetCode(isolate, &desc); Handle code = Factory::CodeBuilder(isolate, desc, Code::STUB).Build(); #ifdef DEBUG StdoutStream os; code->Print(os); #endif // Collect garbage to ensure reloc info can be walked by the heap. CcTest::CollectAllGarbage(); CcTest::CollectAllGarbage(); CcTest::CollectAllGarbage(); // Test the user-facing reloc interface. const int mode_mask = RelocInfo::EmbeddedObjectModeMask(); for (RelocIterator it(*code, mode_mask); !it.done(); it.next()) { RelocInfo::Mode mode = it.rinfo()->rmode(); if (RelocInfo::IsCompressedEmbeddedObject(mode)) { CHECK_EQ(*my_array, it.rinfo()->target_object()); } else { CHECK(RelocInfo::IsFullEmbeddedObject(mode)); CHECK_EQ(*old_array, it.rinfo()->target_object()); } } #endif // V8_COMPRESS_POINTERS } #undef __ } // namespace test_macro_assembler_arm64 } // namespace internal } // namespace v8