| // Copyright 2015 the V8 project authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include <stdlib.h> |
| #include <string.h> |
| |
| #include "src/objects-inl.h" |
| #include "src/snapshot/code-serializer.h" |
| #include "src/version.h" |
| #include "src/wasm/module-decoder.h" |
| #include "src/wasm/wasm-macro-gen.h" |
| #include "src/wasm/wasm-module-builder.h" |
| #include "src/wasm/wasm-module.h" |
| #include "src/wasm/wasm-objects.h" |
| #include "src/wasm/wasm-opcodes.h" |
| |
| #include "test/cctest/cctest.h" |
| #include "test/common/wasm/test-signatures.h" |
| #include "test/common/wasm/wasm-module-runner.h" |
| |
| using namespace v8::base; |
| using namespace v8::internal; |
| using namespace v8::internal::compiler; |
| using namespace v8::internal::wasm; |
| |
| namespace { |
| void Cleanup(Isolate* isolate = nullptr) { |
| // By sending a low memory notifications, we will try hard to collect all |
| // garbage and will therefore also invoke all weak callbacks of actually |
| // unreachable persistent handles. |
| if (!isolate) { |
| isolate = CcTest::InitIsolateOnce(); |
| } |
| reinterpret_cast<v8::Isolate*>(isolate)->LowMemoryNotification(); |
| } |
| |
| void TestModule(Zone* zone, WasmModuleBuilder* builder, |
| int32_t expected_result) { |
| ZoneBuffer buffer(zone); |
| builder->WriteTo(buffer); |
| |
| Isolate* isolate = CcTest::InitIsolateOnce(); |
| HandleScope scope(isolate); |
| testing::SetupIsolateForWasmModule(isolate); |
| int32_t result = testing::CompileAndRunWasmModule( |
| isolate, buffer.begin(), buffer.end(), ModuleOrigin::kWasmOrigin); |
| CHECK_EQ(expected_result, result); |
| } |
| |
| void TestModuleException(Zone* zone, WasmModuleBuilder* builder) { |
| ZoneBuffer buffer(zone); |
| builder->WriteTo(buffer); |
| |
| Isolate* isolate = CcTest::InitIsolateOnce(); |
| HandleScope scope(isolate); |
| testing::SetupIsolateForWasmModule(isolate); |
| v8::TryCatch try_catch(reinterpret_cast<v8::Isolate*>(isolate)); |
| testing::CompileAndRunWasmModule(isolate, buffer.begin(), buffer.end(), |
| ModuleOrigin::kWasmOrigin); |
| CHECK(try_catch.HasCaught()); |
| isolate->clear_pending_exception(); |
| } |
| |
| void ExportAsMain(WasmFunctionBuilder* f) { f->ExportAs(CStrVector("main")); } |
| |
| #define EMIT_CODE_WITH_END(f, code) \ |
| do { \ |
| f->EmitCode(code, sizeof(code)); \ |
| f->Emit(kExprEnd); \ |
| } while (false) |
| |
| } // namespace |
| |
| TEST(Run_WasmModule_Return114) { |
| { |
| static const int32_t kReturnValue = 114; |
| TestSignatures sigs; |
| v8::internal::AccountingAllocator allocator; |
| Zone zone(&allocator, ZONE_NAME); |
| |
| WasmModuleBuilder* builder = new (&zone) WasmModuleBuilder(&zone); |
| WasmFunctionBuilder* f = builder->AddFunction(sigs.i_v()); |
| ExportAsMain(f); |
| byte code[] = {WASM_I32V_2(kReturnValue)}; |
| EMIT_CODE_WITH_END(f, code); |
| TestModule(&zone, builder, kReturnValue); |
| } |
| Cleanup(); |
| } |
| |
| TEST(Run_WasmModule_CallAdd) { |
| { |
| v8::internal::AccountingAllocator allocator; |
| Zone zone(&allocator, ZONE_NAME); |
| TestSignatures sigs; |
| |
| WasmModuleBuilder* builder = new (&zone) WasmModuleBuilder(&zone); |
| |
| WasmFunctionBuilder* f1 = builder->AddFunction(sigs.i_ii()); |
| uint16_t param1 = 0; |
| uint16_t param2 = 1; |
| byte code1[] = { |
| WASM_I32_ADD(WASM_GET_LOCAL(param1), WASM_GET_LOCAL(param2))}; |
| EMIT_CODE_WITH_END(f1, code1); |
| |
| WasmFunctionBuilder* f2 = builder->AddFunction(sigs.i_v()); |
| |
| ExportAsMain(f2); |
| byte code2[] = { |
| WASM_CALL_FUNCTION(f1->func_index(), WASM_I32V_2(77), WASM_I32V_1(22))}; |
| EMIT_CODE_WITH_END(f2, code2); |
| TestModule(&zone, builder, 99); |
| } |
| Cleanup(); |
| } |
| |
| TEST(Run_WasmModule_ReadLoadedDataSegment) { |
| { |
| static const byte kDataSegmentDest0 = 12; |
| v8::internal::AccountingAllocator allocator; |
| Zone zone(&allocator, ZONE_NAME); |
| TestSignatures sigs; |
| |
| WasmModuleBuilder* builder = new (&zone) WasmModuleBuilder(&zone); |
| WasmFunctionBuilder* f = builder->AddFunction(sigs.i_v()); |
| |
| ExportAsMain(f); |
| byte code[] = { |
| WASM_LOAD_MEM(MachineType::Int32(), WASM_I32V_1(kDataSegmentDest0))}; |
| EMIT_CODE_WITH_END(f, code); |
| byte data[] = {0xaa, 0xbb, 0xcc, 0xdd}; |
| builder->AddDataSegment(data, sizeof(data), kDataSegmentDest0); |
| TestModule(&zone, builder, 0xddccbbaa); |
| } |
| Cleanup(); |
| } |
| |
| TEST(Run_WasmModule_CheckMemoryIsZero) { |
| { |
| static const int kCheckSize = 16 * 1024; |
| v8::internal::AccountingAllocator allocator; |
| Zone zone(&allocator, ZONE_NAME); |
| TestSignatures sigs; |
| |
| WasmModuleBuilder* builder = new (&zone) WasmModuleBuilder(&zone); |
| WasmFunctionBuilder* f = builder->AddFunction(sigs.i_v()); |
| |
| uint16_t localIndex = f->AddLocal(kWasmI32); |
| ExportAsMain(f); |
| byte code[] = {WASM_BLOCK_I( |
| WASM_WHILE( |
| WASM_I32_LTS(WASM_GET_LOCAL(localIndex), WASM_I32V_3(kCheckSize)), |
| WASM_IF_ELSE( |
| WASM_LOAD_MEM(MachineType::Int32(), WASM_GET_LOCAL(localIndex)), |
| WASM_BRV(3, WASM_I32V_1(-1)), |
| WASM_INC_LOCAL_BY(localIndex, 4))), |
| WASM_I32V_1(11))}; |
| EMIT_CODE_WITH_END(f, code); |
| TestModule(&zone, builder, 11); |
| } |
| Cleanup(); |
| } |
| |
| TEST(Run_WasmModule_CallMain_recursive) { |
| { |
| v8::internal::AccountingAllocator allocator; |
| Zone zone(&allocator, ZONE_NAME); |
| TestSignatures sigs; |
| |
| WasmModuleBuilder* builder = new (&zone) WasmModuleBuilder(&zone); |
| WasmFunctionBuilder* f = builder->AddFunction(sigs.i_v()); |
| |
| uint16_t localIndex = f->AddLocal(kWasmI32); |
| ExportAsMain(f); |
| byte code[] = { |
| WASM_SET_LOCAL(localIndex, |
| WASM_LOAD_MEM(MachineType::Int32(), WASM_ZERO)), |
| WASM_IF_ELSE_I(WASM_I32_LTS(WASM_GET_LOCAL(localIndex), WASM_I32V_1(5)), |
| WASM_SEQ(WASM_STORE_MEM(MachineType::Int32(), WASM_ZERO, |
| WASM_INC_LOCAL(localIndex)), |
| WASM_CALL_FUNCTION0(0)), |
| WASM_I32V_1(55))}; |
| EMIT_CODE_WITH_END(f, code); |
| TestModule(&zone, builder, 55); |
| } |
| Cleanup(); |
| } |
| |
| TEST(Run_WasmModule_Global) { |
| { |
| v8::internal::AccountingAllocator allocator; |
| Zone zone(&allocator, ZONE_NAME); |
| TestSignatures sigs; |
| |
| WasmModuleBuilder* builder = new (&zone) WasmModuleBuilder(&zone); |
| uint32_t global1 = builder->AddGlobal(kWasmI32, 0); |
| uint32_t global2 = builder->AddGlobal(kWasmI32, 0); |
| WasmFunctionBuilder* f1 = builder->AddFunction(sigs.i_v()); |
| byte code1[] = { |
| WASM_I32_ADD(WASM_GET_GLOBAL(global1), WASM_GET_GLOBAL(global2))}; |
| EMIT_CODE_WITH_END(f1, code1); |
| WasmFunctionBuilder* f2 = builder->AddFunction(sigs.i_v()); |
| ExportAsMain(f2); |
| byte code2[] = {WASM_SET_GLOBAL(global1, WASM_I32V_1(56)), |
| WASM_SET_GLOBAL(global2, WASM_I32V_1(41)), |
| WASM_RETURN1(WASM_CALL_FUNCTION0(f1->func_index()))}; |
| EMIT_CODE_WITH_END(f2, code2); |
| TestModule(&zone, builder, 97); |
| } |
| Cleanup(); |
| } |
| |
| // Approximate gtest TEST_F style, in case we adopt gtest. |
| class WasmSerializationTest { |
| public: |
| WasmSerializationTest() : zone_(&allocator_, ZONE_NAME) { |
| // Don't call here if we move to gtest. |
| SetUp(); |
| } |
| |
| static void BuildWireBytes(Zone* zone, ZoneBuffer* buffer) { |
| WasmModuleBuilder* builder = new (zone) WasmModuleBuilder(zone); |
| TestSignatures sigs; |
| |
| WasmFunctionBuilder* f = builder->AddFunction(sigs.i_i()); |
| byte code[] = {WASM_GET_LOCAL(0), kExprI32Const, 1, kExprI32Add}; |
| EMIT_CODE_WITH_END(f, code); |
| f->ExportAs(CStrVector(kFunctionName)); |
| |
| builder->WriteTo(*buffer); |
| } |
| |
| void ClearSerializedData() { |
| serialized_bytes_.first = nullptr; |
| serialized_bytes_.second = 0; |
| } |
| |
| void InvalidateVersion() { |
| uint32_t* slot = reinterpret_cast<uint32_t*>( |
| const_cast<uint8_t*>(serialized_bytes_.first) + |
| SerializedCodeData::kVersionHashOffset); |
| *slot = Version::Hash() + 1; |
| } |
| |
| void InvalidateWireBytes() { |
| memset(const_cast<uint8_t*>(wire_bytes_.first), '\0', |
| wire_bytes_.second / 2); |
| } |
| |
| void InvalidateLength() { |
| uint32_t* slot = reinterpret_cast<uint32_t*>( |
| const_cast<uint8_t*>(serialized_bytes_.first) + |
| SerializedCodeData::kPayloadLengthOffset); |
| *slot = 0xfefefefeu; |
| } |
| |
| v8::MaybeLocal<v8::WasmCompiledModule> Deserialize() { |
| ErrorThrower thrower(current_isolate(), ""); |
| v8::MaybeLocal<v8::WasmCompiledModule> deserialized = |
| v8::WasmCompiledModule::DeserializeOrCompile( |
| current_isolate_v8(), serialized_bytes(), wire_bytes()); |
| return deserialized; |
| } |
| |
| void DeserializeAndRun() { |
| ErrorThrower thrower(current_isolate(), ""); |
| v8::Local<v8::WasmCompiledModule> deserialized_module; |
| CHECK(Deserialize().ToLocal(&deserialized_module)); |
| Handle<WasmModuleObject> module_object = Handle<WasmModuleObject>::cast( |
| v8::Utils::OpenHandle(*deserialized_module)); |
| { |
| DisallowHeapAllocation assume_no_gc; |
| Handle<WasmCompiledModule> compiled_part( |
| WasmCompiledModule::cast(module_object->GetEmbedderField(0)), |
| current_isolate()); |
| CHECK_EQ(memcmp(compiled_part->module_bytes()->GetCharsAddress(), |
| wire_bytes().first, wire_bytes().second), |
| 0); |
| } |
| Handle<JSObject> instance = |
| SyncInstantiate(current_isolate(), &thrower, module_object, |
| Handle<JSReceiver>::null(), |
| MaybeHandle<JSArrayBuffer>()) |
| .ToHandleChecked(); |
| Handle<Object> params[1] = { |
| Handle<Object>(Smi::FromInt(41), current_isolate())}; |
| int32_t result = testing::CallWasmFunctionForTesting( |
| current_isolate(), instance, &thrower, kFunctionName, 1, params, |
| ModuleOrigin::kWasmOrigin); |
| CHECK(result == 42); |
| } |
| |
| Isolate* current_isolate() { |
| return reinterpret_cast<Isolate*>(current_isolate_v8_); |
| } |
| |
| ~WasmSerializationTest() { |
| // Don't call from here if we move to gtest |
| TearDown(); |
| } |
| |
| v8::Isolate* current_isolate_v8() { return current_isolate_v8_; } |
| |
| private: |
| static const char* kFunctionName; |
| |
| Zone* zone() { return &zone_; } |
| const v8::WasmCompiledModule::CallerOwnedBuffer& wire_bytes() const { |
| return wire_bytes_; |
| } |
| |
| const v8::WasmCompiledModule::CallerOwnedBuffer& serialized_bytes() const { |
| return serialized_bytes_; |
| } |
| |
| void SetUp() { |
| ZoneBuffer buffer(&zone_); |
| WasmSerializationTest::BuildWireBytes(zone(), &buffer); |
| |
| Isolate* serialization_isolate = CcTest::InitIsolateOnce(); |
| ErrorThrower thrower(serialization_isolate, ""); |
| uint8_t* bytes = nullptr; |
| size_t bytes_size = 0; |
| { |
| HandleScope scope(serialization_isolate); |
| testing::SetupIsolateForWasmModule(serialization_isolate); |
| |
| MaybeHandle<WasmModuleObject> module_object = |
| SyncCompile(serialization_isolate, &thrower, |
| ModuleWireBytes(buffer.begin(), buffer.end())); |
| |
| MaybeHandle<WasmCompiledModule> compiled_module( |
| module_object.ToHandleChecked()->compiled_module(), |
| serialization_isolate); |
| CHECK(!compiled_module.is_null()); |
| Handle<JSObject> module_obj = WasmModuleObject::New( |
| serialization_isolate, compiled_module.ToHandleChecked()); |
| v8::Local<v8::Object> v8_module_obj = v8::Utils::ToLocal(module_obj); |
| CHECK(v8_module_obj->IsWebAssemblyCompiledModule()); |
| |
| v8::Local<v8::WasmCompiledModule> v8_compiled_module = |
| v8_module_obj.As<v8::WasmCompiledModule>(); |
| v8::Local<v8::String> uncompiled_bytes = |
| v8_compiled_module->GetWasmWireBytes(); |
| bytes_size = static_cast<size_t>(uncompiled_bytes->Length()); |
| bytes = zone()->NewArray<uint8_t>(bytes_size); |
| uncompiled_bytes->WriteOneByte(bytes, 0, uncompiled_bytes->Length(), |
| v8::String::NO_NULL_TERMINATION); |
| // keep alive data_ until the end |
| data_ = v8_compiled_module->Serialize(); |
| } |
| |
| wire_bytes_ = {const_cast<const uint8_t*>(bytes), bytes_size}; |
| |
| serialized_bytes_ = {data_.first.get(), data_.second}; |
| |
| v8::Isolate::CreateParams create_params; |
| create_params.array_buffer_allocator = |
| serialization_isolate->array_buffer_allocator(); |
| |
| current_isolate_v8_ = v8::Isolate::New(create_params); |
| v8::HandleScope new_scope(current_isolate_v8()); |
| v8::Local<v8::Context> deserialization_context = |
| v8::Context::New(current_isolate_v8()); |
| deserialization_context->Enter(); |
| testing::SetupIsolateForWasmModule(current_isolate()); |
| } |
| |
| void TearDown() { |
| current_isolate_v8()->Dispose(); |
| current_isolate_v8_ = nullptr; |
| } |
| |
| v8::internal::AccountingAllocator allocator_; |
| Zone zone_; |
| v8::WasmCompiledModule::SerializedModule data_; |
| v8::WasmCompiledModule::CallerOwnedBuffer wire_bytes_; |
| v8::WasmCompiledModule::CallerOwnedBuffer serialized_bytes_; |
| v8::Isolate* current_isolate_v8_; |
| }; |
| |
| const char* WasmSerializationTest::kFunctionName = "increment"; |
| |
| TEST(DeserializeValidModule) { |
| WasmSerializationTest test; |
| { |
| HandleScope scope(test.current_isolate()); |
| test.DeserializeAndRun(); |
| } |
| Cleanup(test.current_isolate()); |
| Cleanup(); |
| } |
| |
| TEST(DeserializeMismatchingVersion) { |
| WasmSerializationTest test; |
| { |
| HandleScope scope(test.current_isolate()); |
| test.InvalidateVersion(); |
| test.DeserializeAndRun(); |
| } |
| Cleanup(test.current_isolate()); |
| Cleanup(); |
| } |
| |
| TEST(DeserializeNoSerializedData) { |
| WasmSerializationTest test; |
| { |
| HandleScope scope(test.current_isolate()); |
| test.ClearSerializedData(); |
| test.DeserializeAndRun(); |
| } |
| Cleanup(test.current_isolate()); |
| Cleanup(); |
| } |
| |
| TEST(DeserializeInvalidLength) { |
| WasmSerializationTest test; |
| { |
| HandleScope scope(test.current_isolate()); |
| test.InvalidateLength(); |
| test.DeserializeAndRun(); |
| } |
| Cleanup(test.current_isolate()); |
| Cleanup(); |
| } |
| |
| TEST(DeserializeWireBytesAndSerializedDataInvalid) { |
| WasmSerializationTest test; |
| { |
| HandleScope scope(test.current_isolate()); |
| test.InvalidateVersion(); |
| test.InvalidateWireBytes(); |
| test.Deserialize(); |
| } |
| Cleanup(test.current_isolate()); |
| Cleanup(); |
| } |
| |
| bool False(v8::Local<v8::Context> context) { return false; } |
| |
| TEST(BlockWasmCodeGen) { |
| v8::internal::AccountingAllocator allocator; |
| Zone zone(&allocator, ZONE_NAME); |
| ZoneBuffer buffer(&zone); |
| WasmSerializationTest::BuildWireBytes(&zone, &buffer); |
| Isolate* isolate = CcTest::InitIsolateOnce(); |
| HandleScope scope(isolate); |
| testing::SetupIsolateForWasmModule(isolate); |
| CcTest::isolate()->SetAllowCodeGenerationFromStringsCallback(False); |
| |
| ErrorThrower thrower(isolate, "block codegen"); |
| MaybeHandle<WasmModuleObject> ret = wasm::SyncCompile( |
| isolate, &thrower, ModuleWireBytes(buffer.begin(), buffer.end())); |
| CcTest::isolate()->SetAllowCodeGenerationFromStringsCallback(nullptr); |
| CHECK(ret.is_null()); |
| CHECK(thrower.error()); |
| } |
| |
| TEST(BlockWasmCodeGenAtDeserialization) { |
| WasmSerializationTest test; |
| { |
| HandleScope scope(test.current_isolate()); |
| test.current_isolate_v8()->SetAllowCodeGenerationFromStringsCallback(False); |
| v8::MaybeLocal<v8::WasmCompiledModule> nothing = test.Deserialize(); |
| CHECK(nothing.IsEmpty()); |
| } |
| Cleanup(test.current_isolate()); |
| Cleanup(); |
| } |
| |
| TEST(TransferrableWasmModules) { |
| v8::internal::AccountingAllocator allocator; |
| Zone zone(&allocator, ZONE_NAME); |
| |
| ZoneBuffer buffer(&zone); |
| WasmSerializationTest::BuildWireBytes(&zone, &buffer); |
| |
| Isolate* from_isolate = CcTest::InitIsolateOnce(); |
| ErrorThrower thrower(from_isolate, ""); |
| std::vector<v8::WasmCompiledModule::TransferrableModule> store; |
| { |
| HandleScope scope(from_isolate); |
| testing::SetupIsolateForWasmModule(from_isolate); |
| |
| MaybeHandle<WasmModuleObject> module_object = SyncCompile( |
| from_isolate, &thrower, ModuleWireBytes(buffer.begin(), buffer.end())); |
| v8::Local<v8::WasmCompiledModule> v8_module = |
| v8::Local<v8::WasmCompiledModule>::Cast(v8::Utils::ToLocal( |
| Handle<JSObject>::cast(module_object.ToHandleChecked()))); |
| store.push_back(v8_module->GetTransferrableModule()); |
| } |
| |
| { |
| v8::Isolate::CreateParams create_params; |
| create_params.array_buffer_allocator = |
| from_isolate->array_buffer_allocator(); |
| v8::Isolate* to_isolate = v8::Isolate::New(create_params); |
| v8::HandleScope new_scope(to_isolate); |
| v8::Local<v8::Context> deserialization_context = |
| v8::Context::New(to_isolate); |
| deserialization_context->Enter(); |
| v8::MaybeLocal<v8::WasmCompiledModule> mod = |
| v8::WasmCompiledModule::FromTransferrableModule(to_isolate, store[0]); |
| CHECK(!mod.IsEmpty()); |
| } |
| } |
| |
| TEST(MemorySize) { |
| { |
| // Initial memory size is 16, see wasm-module-builder.cc |
| static const int kExpectedValue = 16; |
| TestSignatures sigs; |
| v8::internal::AccountingAllocator allocator; |
| Zone zone(&allocator, ZONE_NAME); |
| |
| WasmModuleBuilder* builder = new (&zone) WasmModuleBuilder(&zone); |
| WasmFunctionBuilder* f = builder->AddFunction(sigs.i_v()); |
| ExportAsMain(f); |
| byte code[] = {WASM_MEMORY_SIZE}; |
| EMIT_CODE_WITH_END(f, code); |
| TestModule(&zone, builder, kExpectedValue); |
| } |
| Cleanup(); |
| } |
| |
| TEST(Run_WasmModule_MemSize_GrowMem) { |
| { |
| // Initial memory size = 16 + GrowMemory(10) |
| static const int kExpectedValue = 26; |
| TestSignatures sigs; |
| v8::internal::AccountingAllocator allocator; |
| Zone zone(&allocator, ZONE_NAME); |
| |
| WasmModuleBuilder* builder = new (&zone) WasmModuleBuilder(&zone); |
| WasmFunctionBuilder* f = builder->AddFunction(sigs.i_v()); |
| ExportAsMain(f); |
| byte code[] = {WASM_GROW_MEMORY(WASM_I32V_1(10)), WASM_DROP, |
| WASM_MEMORY_SIZE}; |
| EMIT_CODE_WITH_END(f, code); |
| TestModule(&zone, builder, kExpectedValue); |
| } |
| Cleanup(); |
| } |
| |
| TEST(GrowMemoryZero) { |
| { |
| // Initial memory size is 16, see wasm-module-builder.cc |
| static const int kExpectedValue = 16; |
| TestSignatures sigs; |
| v8::internal::AccountingAllocator allocator; |
| Zone zone(&allocator, ZONE_NAME); |
| |
| WasmModuleBuilder* builder = new (&zone) WasmModuleBuilder(&zone); |
| WasmFunctionBuilder* f = builder->AddFunction(sigs.i_v()); |
| ExportAsMain(f); |
| byte code[] = {WASM_GROW_MEMORY(WASM_I32V(0))}; |
| EMIT_CODE_WITH_END(f, code); |
| TestModule(&zone, builder, kExpectedValue); |
| } |
| Cleanup(); |
| } |
| |
| class InterruptThread : public v8::base::Thread { |
| public: |
| explicit InterruptThread(Isolate* isolate, int32_t* memory) |
| : Thread(Options("TestInterruptLoop")), |
| isolate_(isolate), |
| memory_(memory) {} |
| |
| static void OnInterrupt(v8::Isolate* isolate, void* data) { |
| int32_t* m = reinterpret_cast<int32_t*>(data); |
| // Set the interrupt location to 0 to break the loop in {TestInterruptLoop}. |
| int32_t* ptr = &m[interrupt_location_]; |
| WriteLittleEndianValue<int32_t>(ptr, interrupt_value_); |
| } |
| |
| virtual void Run() { |
| // Wait for the main thread to write the signal value. |
| int32_t val = 0; |
| do { |
| val = memory_[0]; |
| val = ReadLittleEndianValue<int32_t>(&val); |
| } while (val != signal_value_); |
| isolate_->RequestInterrupt(&OnInterrupt, const_cast<int32_t*>(memory_)); |
| } |
| |
| Isolate* isolate_; |
| volatile int32_t* memory_; |
| static const int32_t interrupt_location_ = 10; |
| static const int32_t interrupt_value_ = 154; |
| static const int32_t signal_value_ = 1221; |
| }; |
| |
| TEST(TestInterruptLoop) { |
| { |
| // Do not dump the module of this test because it contains an infinite loop. |
| if (FLAG_dump_wasm_module) return; |
| |
| // This test tests that WebAssembly loops can be interrupted, i.e. that if |
| // an |
| // InterruptCallback is registered by {Isolate::RequestInterrupt}, then the |
| // InterruptCallback is eventually called even if a loop in WebAssembly code |
| // is executed. |
| // Test setup: |
| // The main thread executes a WebAssembly function with a loop. In the loop |
| // {signal_value_} is written to memory to signal a helper thread that the |
| // main thread reached the loop in the WebAssembly program. When the helper |
| // thread reads {signal_value_} from memory, it registers the |
| // InterruptCallback. Upon exeution, the InterruptCallback write into the |
| // WebAssemblyMemory to end the loop in the WebAssembly program. |
| TestSignatures sigs; |
| Isolate* isolate = CcTest::InitIsolateOnce(); |
| v8::internal::AccountingAllocator allocator; |
| Zone zone(&allocator, ZONE_NAME); |
| |
| WasmModuleBuilder* builder = new (&zone) WasmModuleBuilder(&zone); |
| WasmFunctionBuilder* f = builder->AddFunction(sigs.i_v()); |
| ExportAsMain(f); |
| byte code[] = { |
| WASM_LOOP( |
| WASM_IFB(WASM_NOT(WASM_LOAD_MEM( |
| MachineType::Int32(), |
| WASM_I32V(InterruptThread::interrupt_location_ * 4))), |
| WASM_STORE_MEM(MachineType::Int32(), WASM_ZERO, |
| WASM_I32V(InterruptThread::signal_value_)), |
| WASM_BR(1))), |
| WASM_I32V(121)}; |
| EMIT_CODE_WITH_END(f, code); |
| ZoneBuffer buffer(&zone); |
| builder->WriteTo(buffer); |
| |
| HandleScope scope(isolate); |
| testing::SetupIsolateForWasmModule(isolate); |
| ErrorThrower thrower(isolate, "Test"); |
| const Handle<WasmInstanceObject> instance = |
| testing::CompileInstantiateWasmModuleForTesting( |
| isolate, &thrower, buffer.begin(), buffer.end(), |
| ModuleOrigin::kWasmOrigin); |
| CHECK(!instance.is_null()); |
| |
| MaybeHandle<JSArrayBuffer> maybe_memory = |
| GetInstanceMemory(isolate, instance); |
| Handle<JSArrayBuffer> memory = maybe_memory.ToHandleChecked(); |
| int32_t* memory_array = reinterpret_cast<int32_t*>(memory->backing_store()); |
| |
| InterruptThread thread(isolate, memory_array); |
| thread.Start(); |
| testing::RunWasmModuleForTesting(isolate, instance, 0, nullptr, |
| ModuleOrigin::kWasmOrigin); |
| int32_t val = memory_array[InterruptThread::interrupt_location_]; |
| CHECK_EQ(InterruptThread::interrupt_value_, |
| ReadLittleEndianValue<int32_t>(&val)); |
| } |
| Cleanup(); |
| } |
| |
| TEST(Run_WasmModule_GrowMemoryInIf) { |
| { |
| TestSignatures sigs; |
| v8::internal::AccountingAllocator allocator; |
| Zone zone(&allocator, ZONE_NAME); |
| WasmModuleBuilder* builder = new (&zone) WasmModuleBuilder(&zone); |
| WasmFunctionBuilder* f = builder->AddFunction(sigs.i_v()); |
| ExportAsMain(f); |
| byte code[] = {WASM_IF_ELSE_I(WASM_I32V(0), WASM_GROW_MEMORY(WASM_I32V(1)), |
| WASM_I32V(12))}; |
| EMIT_CODE_WITH_END(f, code); |
| TestModule(&zone, builder, 12); |
| } |
| Cleanup(); |
| } |
| |
| TEST(Run_WasmModule_GrowMemOobOffset) { |
| { |
| static const int kPageSize = 0x10000; |
| // Initial memory size = 16 + GrowMemory(10) |
| static const int index = kPageSize * 17 + 4; |
| int value = 0xaced; |
| TestSignatures sigs; |
| v8::internal::AccountingAllocator allocator; |
| Zone zone(&allocator, ZONE_NAME); |
| |
| WasmModuleBuilder* builder = new (&zone) WasmModuleBuilder(&zone); |
| WasmFunctionBuilder* f = builder->AddFunction(sigs.i_v()); |
| ExportAsMain(f); |
| byte code[] = {WASM_GROW_MEMORY(WASM_I32V_1(1)), |
| WASM_STORE_MEM(MachineType::Int32(), WASM_I32V(index), |
| WASM_I32V(value))}; |
| EMIT_CODE_WITH_END(f, code); |
| TestModuleException(&zone, builder); |
| } |
| Cleanup(); |
| } |
| |
| TEST(Run_WasmModule_GrowMemOobFixedIndex) { |
| { |
| static const int kPageSize = 0x10000; |
| // Initial memory size = 16 + GrowMemory(10) |
| static const int index = kPageSize * 26 + 4; |
| int value = 0xaced; |
| TestSignatures sigs; |
| Isolate* isolate = CcTest::InitIsolateOnce(); |
| Zone zone(isolate->allocator(), ZONE_NAME); |
| |
| WasmModuleBuilder* builder = new (&zone) WasmModuleBuilder(&zone); |
| WasmFunctionBuilder* f = builder->AddFunction(sigs.i_i()); |
| ExportAsMain(f); |
| byte code[] = {WASM_GROW_MEMORY(WASM_GET_LOCAL(0)), WASM_DROP, |
| WASM_STORE_MEM(MachineType::Int32(), WASM_I32V(index), |
| WASM_I32V(value)), |
| WASM_LOAD_MEM(MachineType::Int32(), WASM_I32V(index))}; |
| EMIT_CODE_WITH_END(f, code); |
| |
| HandleScope scope(isolate); |
| ZoneBuffer buffer(&zone); |
| builder->WriteTo(buffer); |
| testing::SetupIsolateForWasmModule(isolate); |
| |
| ErrorThrower thrower(isolate, "Test"); |
| Handle<JSObject> instance = testing::CompileInstantiateWasmModuleForTesting( |
| isolate, &thrower, buffer.begin(), buffer.end(), |
| ModuleOrigin::kWasmOrigin); |
| CHECK(!instance.is_null()); |
| |
| // Initial memory size is 16 pages, should trap till index > MemSize on |
| // consecutive GrowMem calls |
| for (uint32_t i = 1; i < 5; i++) { |
| Handle<Object> params[1] = {Handle<Object>(Smi::FromInt(i), isolate)}; |
| v8::TryCatch try_catch(reinterpret_cast<v8::Isolate*>(isolate)); |
| testing::RunWasmModuleForTesting(isolate, instance, 1, params, |
| ModuleOrigin::kWasmOrigin); |
| CHECK(try_catch.HasCaught()); |
| isolate->clear_pending_exception(); |
| } |
| |
| Handle<Object> params[1] = {Handle<Object>(Smi::FromInt(1), isolate)}; |
| int32_t result = testing::RunWasmModuleForTesting( |
| isolate, instance, 1, params, ModuleOrigin::kWasmOrigin); |
| CHECK(result == 0xaced); |
| } |
| Cleanup(); |
| } |
| |
| TEST(Run_WasmModule_GrowMemOobVariableIndex) { |
| { |
| static const int kPageSize = 0x10000; |
| int value = 0xaced; |
| TestSignatures sigs; |
| Isolate* isolate = CcTest::InitIsolateOnce(); |
| v8::internal::AccountingAllocator allocator; |
| Zone zone(&allocator, ZONE_NAME); |
| |
| WasmModuleBuilder* builder = new (&zone) WasmModuleBuilder(&zone); |
| WasmFunctionBuilder* f = builder->AddFunction(sigs.i_i()); |
| ExportAsMain(f); |
| byte code[] = {WASM_GROW_MEMORY(WASM_I32V_1(1)), WASM_DROP, |
| WASM_STORE_MEM(MachineType::Int32(), WASM_GET_LOCAL(0), |
| WASM_I32V(value)), |
| WASM_LOAD_MEM(MachineType::Int32(), WASM_GET_LOCAL(0))}; |
| EMIT_CODE_WITH_END(f, code); |
| |
| HandleScope scope(isolate); |
| ZoneBuffer buffer(&zone); |
| builder->WriteTo(buffer); |
| testing::SetupIsolateForWasmModule(isolate); |
| |
| ErrorThrower thrower(isolate, "Test"); |
| Handle<JSObject> instance = testing::CompileInstantiateWasmModuleForTesting( |
| isolate, &thrower, buffer.begin(), buffer.end(), |
| ModuleOrigin::kWasmOrigin); |
| |
| CHECK(!instance.is_null()); |
| |
| // Initial memory size is 16 pages, should trap till index > MemSize on |
| // consecutive GrowMem calls |
| for (int i = 1; i < 5; i++) { |
| Handle<Object> params[1] = { |
| Handle<Object>(Smi::FromInt((16 + i) * kPageSize - 3), isolate)}; |
| v8::TryCatch try_catch(reinterpret_cast<v8::Isolate*>(isolate)); |
| testing::RunWasmModuleForTesting(isolate, instance, 1, params, |
| ModuleOrigin::kWasmOrigin); |
| CHECK(try_catch.HasCaught()); |
| isolate->clear_pending_exception(); |
| } |
| |
| for (int i = 1; i < 5; i++) { |
| Handle<Object> params[1] = { |
| Handle<Object>(Smi::FromInt((20 + i) * kPageSize - 4), isolate)}; |
| int32_t result = testing::RunWasmModuleForTesting( |
| isolate, instance, 1, params, ModuleOrigin::kWasmOrigin); |
| CHECK(result == 0xaced); |
| } |
| |
| v8::TryCatch try_catch(reinterpret_cast<v8::Isolate*>(isolate)); |
| Handle<Object> params[1] = { |
| Handle<Object>(Smi::FromInt(25 * kPageSize), isolate)}; |
| testing::RunWasmModuleForTesting(isolate, instance, 1, params, |
| ModuleOrigin::kWasmOrigin); |
| CHECK(try_catch.HasCaught()); |
| isolate->clear_pending_exception(); |
| } |
| Cleanup(); |
| } |
| |
| TEST(Run_WasmModule_Global_init) { |
| { |
| v8::internal::AccountingAllocator allocator; |
| Zone zone(&allocator, ZONE_NAME); |
| TestSignatures sigs; |
| |
| WasmModuleBuilder* builder = new (&zone) WasmModuleBuilder(&zone); |
| uint32_t global1 = |
| builder->AddGlobal(kWasmI32, false, false, WasmInitExpr(777777)); |
| uint32_t global2 = |
| builder->AddGlobal(kWasmI32, false, false, WasmInitExpr(222222)); |
| WasmFunctionBuilder* f1 = builder->AddFunction(sigs.i_v()); |
| byte code[] = { |
| WASM_I32_ADD(WASM_GET_GLOBAL(global1), WASM_GET_GLOBAL(global2))}; |
| EMIT_CODE_WITH_END(f1, code); |
| ExportAsMain(f1); |
| TestModule(&zone, builder, 999999); |
| } |
| Cleanup(); |
| } |
| |
| template <typename CType> |
| static void RunWasmModuleGlobalInitTest(ValueType type, CType expected) { |
| { |
| v8::internal::AccountingAllocator allocator; |
| Zone zone(&allocator, ZONE_NAME); |
| TestSignatures sigs; |
| |
| ValueType types[] = {type}; |
| FunctionSig sig(1, 0, types); |
| |
| for (int padding = 0; padding < 5; padding++) { |
| // Test with a simple initializer |
| WasmModuleBuilder* builder = new (&zone) WasmModuleBuilder(&zone); |
| |
| for (int i = 0; i < padding; i++) { // pad global before |
| builder->AddGlobal(kWasmI32, false, false, WasmInitExpr(i + 20000)); |
| } |
| uint32_t global = |
| builder->AddGlobal(type, false, false, WasmInitExpr(expected)); |
| for (int i = 0; i < padding; i++) { // pad global after |
| builder->AddGlobal(kWasmI32, false, false, WasmInitExpr(i + 30000)); |
| } |
| |
| WasmFunctionBuilder* f1 = builder->AddFunction(&sig); |
| byte code[] = {WASM_GET_GLOBAL(global)}; |
| EMIT_CODE_WITH_END(f1, code); |
| ExportAsMain(f1); |
| TestModule(&zone, builder, expected); |
| } |
| } |
| Cleanup(); |
| } |
| |
| TEST(Run_WasmModule_Global_i32) { |
| RunWasmModuleGlobalInitTest<int32_t>(kWasmI32, -983489); |
| RunWasmModuleGlobalInitTest<int32_t>(kWasmI32, 11223344); |
| } |
| |
| TEST(Run_WasmModule_Global_f32) { |
| RunWasmModuleGlobalInitTest<float>(kWasmF32, -983.9f); |
| RunWasmModuleGlobalInitTest<float>(kWasmF32, 1122.99f); |
| } |
| |
| TEST(Run_WasmModule_Global_f64) { |
| RunWasmModuleGlobalInitTest<double>(kWasmF64, -833.9); |
| RunWasmModuleGlobalInitTest<double>(kWasmF64, 86374.25); |
| } |
| |
| TEST(InitDataAtTheUpperLimit) { |
| { |
| Isolate* isolate = CcTest::InitIsolateOnce(); |
| HandleScope scope(isolate); |
| testing::SetupIsolateForWasmModule(isolate); |
| |
| ErrorThrower thrower(isolate, "Run_WasmModule_InitDataAtTheUpperLimit"); |
| |
| const byte data[] = { |
| WASM_MODULE_HEADER, // -- |
| kMemorySectionCode, // -- |
| U32V_1(4), // section size |
| ENTRY_COUNT(1), // -- |
| kResizableMaximumFlag, // -- |
| 1, // initial size |
| 2, // maximum size |
| kDataSectionCode, // -- |
| U32V_1(9), // section size |
| ENTRY_COUNT(1), // -- |
| 0, // linear memory index |
| WASM_I32V_3(0xffff), // destination offset |
| kExprEnd, |
| U32V_1(1), // source size |
| 'c' // data bytes |
| }; |
| |
| testing::CompileInstantiateWasmModuleForTesting(isolate, &thrower, data, |
| data + arraysize(data), |
| ModuleOrigin::kWasmOrigin); |
| if (thrower.error()) { |
| thrower.Reify()->Print(); |
| CHECK(false); |
| } |
| } |
| Cleanup(); |
| } |
| |
| TEST(EmptyMemoryNonEmptyDataSegment) { |
| { |
| Isolate* isolate = CcTest::InitIsolateOnce(); |
| HandleScope scope(isolate); |
| testing::SetupIsolateForWasmModule(isolate); |
| |
| ErrorThrower thrower(isolate, "Run_WasmModule_InitDataAtTheUpperLimit"); |
| |
| const byte data[] = { |
| WASM_MODULE_HEADER, // -- |
| kMemorySectionCode, // -- |
| U32V_1(4), // section size |
| ENTRY_COUNT(1), // -- |
| kResizableMaximumFlag, // -- |
| 0, // initial size |
| 0, // maximum size |
| kDataSectionCode, // -- |
| U32V_1(7), // section size |
| ENTRY_COUNT(1), // -- |
| 0, // linear memory index |
| WASM_I32V_1(8), // destination offset |
| kExprEnd, |
| U32V_1(1), // source size |
| 'c' // data bytes |
| }; |
| |
| testing::CompileInstantiateWasmModuleForTesting(isolate, &thrower, data, |
| data + arraysize(data), |
| ModuleOrigin::kWasmOrigin); |
| // It should not be possible to instantiate this module. |
| CHECK(thrower.error()); |
| } |
| Cleanup(); |
| } |
| |
| TEST(EmptyMemoryEmptyDataSegment) { |
| { |
| Isolate* isolate = CcTest::InitIsolateOnce(); |
| HandleScope scope(isolate); |
| testing::SetupIsolateForWasmModule(isolate); |
| |
| ErrorThrower thrower(isolate, "Run_WasmModule_InitDataAtTheUpperLimit"); |
| |
| const byte data[] = { |
| WASM_MODULE_HEADER, // -- |
| kMemorySectionCode, // -- |
| U32V_1(4), // section size |
| ENTRY_COUNT(1), // -- |
| kResizableMaximumFlag, // -- |
| 0, // initial size |
| 0, // maximum size |
| kDataSectionCode, // -- |
| U32V_1(6), // section size |
| ENTRY_COUNT(1), // -- |
| 0, // linear memory index |
| WASM_I32V_1(0), // destination offset |
| kExprEnd, |
| U32V_1(0), // source size |
| }; |
| |
| testing::CompileInstantiateWasmModuleForTesting(isolate, &thrower, data, |
| data + arraysize(data), |
| ModuleOrigin::kWasmOrigin); |
| // It should be possible to instantiate this module. |
| CHECK(!thrower.error()); |
| } |
| Cleanup(); |
| } |
| |
| TEST(MemoryWithOOBEmptyDataSegment) { |
| { |
| Isolate* isolate = CcTest::InitIsolateOnce(); |
| HandleScope scope(isolate); |
| testing::SetupIsolateForWasmModule(isolate); |
| |
| ErrorThrower thrower(isolate, "Run_WasmModule_InitDataAtTheUpperLimit"); |
| |
| const byte data[] = { |
| WASM_MODULE_HEADER, // -- |
| kMemorySectionCode, // -- |
| U32V_1(4), // section size |
| ENTRY_COUNT(1), // -- |
| kResizableMaximumFlag, // -- |
| 1, // initial size |
| 1, // maximum size |
| kDataSectionCode, // -- |
| U32V_1(9), // section size |
| ENTRY_COUNT(1), // -- |
| 0, // linear memory index |
| WASM_I32V_4(0x2468ace), // destination offset |
| kExprEnd, |
| U32V_1(0), // source size |
| }; |
| |
| testing::CompileInstantiateWasmModuleForTesting(isolate, &thrower, data, |
| data + arraysize(data), |
| ModuleOrigin::kWasmOrigin); |
| // It should not be possible to instantiate this module. |
| CHECK(thrower.error()); |
| } |
| Cleanup(); |
| } |
| |
| TEST(Run_WasmModule_Buffer_Externalized_GrowMem) { |
| { |
| Isolate* isolate = CcTest::InitIsolateOnce(); |
| HandleScope scope(isolate); |
| // Initial memory size = 16 + GrowWebAssemblyMemory(4) + GrowMemory(6) |
| static const int kExpectedValue = 26; |
| TestSignatures sigs; |
| v8::internal::AccountingAllocator allocator; |
| Zone zone(&allocator, ZONE_NAME); |
| |
| WasmModuleBuilder* builder = new (&zone) WasmModuleBuilder(&zone); |
| WasmFunctionBuilder* f = builder->AddFunction(sigs.i_v()); |
| ExportAsMain(f); |
| byte code[] = {WASM_GROW_MEMORY(WASM_I32V_1(6)), WASM_DROP, |
| WASM_MEMORY_SIZE}; |
| EMIT_CODE_WITH_END(f, code); |
| |
| ZoneBuffer buffer(&zone); |
| builder->WriteTo(buffer); |
| testing::SetupIsolateForWasmModule(isolate); |
| ErrorThrower thrower(isolate, "Test"); |
| const Handle<WasmInstanceObject> instance = |
| testing::CompileInstantiateWasmModuleForTesting( |
| isolate, &thrower, buffer.begin(), buffer.end(), |
| ModuleOrigin::kWasmOrigin); |
| CHECK(!instance.is_null()); |
| MaybeHandle<JSArrayBuffer> maybe_memory = |
| GetInstanceMemory(isolate, instance); |
| Handle<JSArrayBuffer> memory = maybe_memory.ToHandleChecked(); |
| |
| // Fake the Embedder flow by creating a memory object, externalize and grow. |
| Handle<WasmMemoryObject> mem_obj = |
| WasmMemoryObject::New(isolate, memory, 100); |
| |
| // TODO(eholk): Skipping calls to externalize when guard pages are enabled |
| // for now. This will have to be dealt with when turning on guard pages as |
| // currently gin assumes that it can take ownership of the ArrayBuffer. |
| // Potential for crashes as this might lead to externalizing an already |
| // externalized buffer. |
| if (!memory->has_guard_region()) v8::Utils::ToLocal(memory)->Externalize(); |
| void* backing_store = memory->backing_store(); |
| uint64_t byte_length = NumberToSize(memory->byte_length()); |
| uint32_t result = GrowWebAssemblyMemory(isolate, mem_obj, 4); |
| CHECK_EQ(16, result); |
| if (!memory->has_guard_region()) { |
| isolate->array_buffer_allocator()->Free(backing_store, byte_length); |
| } |
| memory = handle(mem_obj->buffer()); |
| byte_length = NumberToSize(memory->byte_length()); |
| instance->set_memory_buffer(*memory); |
| // Externalize should make no difference without the JS API as in this case |
| // the buffer is not detached. |
| if (!memory->has_guard_region()) v8::Utils::ToLocal(memory)->Externalize(); |
| result = testing::RunWasmModuleForTesting(isolate, instance, 0, nullptr, |
| ModuleOrigin::kWasmOrigin); |
| CHECK_EQ(kExpectedValue, result); |
| // Free the buffer as the tracker does not know about it. |
| if (!memory->has_guard_region()) { |
| isolate->array_buffer_allocator()->Free( |
| memory->backing_store(), NumberToSize(memory->byte_length())); |
| } |
| } |
| Cleanup(); |
| } |
