| // 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 "src/wasm/function-body-decoder.h" |
| |
| #include "src/flags/flags.h" |
| #include "src/utils/ostreams.h" |
| #include "src/wasm/canonical-types.h" |
| #include "src/wasm/function-body-decoder-impl.h" |
| #include "src/wasm/leb-helper.h" |
| #include "src/wasm/local-decl-encoder.h" |
| #include "src/wasm/wasm-limits.h" |
| #include "src/wasm/wasm-module.h" |
| #include "src/wasm/wasm-opcodes-inl.h" |
| #include "src/wasm/wasm-subtyping.h" |
| #include "src/zone/zone.h" |
| #include "test/common/flag-utils.h" |
| #include "test/common/wasm/flag-utils.h" |
| #include "test/common/wasm/test-signatures.h" |
| #include "test/common/wasm/wasm-macro-gen.h" |
| #include "test/unittests/test-utils.h" |
| #include "testing/gmock-support.h" |
| |
| namespace v8::internal::wasm { |
| |
| #define B1(a) WASM_BLOCK(a) |
| #define B2(a, b) WASM_BLOCK(a, b) |
| #define B3(a, b, c) WASM_BLOCK(a, b, c) |
| |
| #define WASM_IF_OP kExprIf, kVoidCode |
| #define WASM_LOOP_OP kExprLoop, kVoidCode |
| |
| #define EXPECT_OK(result) \ |
| do { \ |
| if (!result.ok()) { \ |
| GTEST_NONFATAL_FAILURE_(result.error().message().c_str()); \ |
| return; \ |
| } \ |
| } while (false) |
| |
| static const uint8_t kCodeGetLocal0[] = {kExprLocalGet, 0}; |
| static const uint8_t kCodeGetLocal1[] = {kExprLocalGet, 1}; |
| static const uint8_t kCodeSetLocal0[] = {WASM_LOCAL_SET(0, WASM_ZERO)}; |
| static const uint8_t kCodeTeeLocal0[] = {WASM_LOCAL_TEE(0, WASM_ZERO)}; |
| |
| static const ValueType kValueTypes[] = {kWasmI32, kWasmI64, kWasmF32, kWasmF64, |
| kWasmExternRef}; |
| static const MachineType machineTypes[] = { |
| MachineType::Int8(), MachineType::Uint8(), MachineType::Int16(), |
| MachineType::Uint16(), MachineType::Int32(), MachineType::Uint32(), |
| MachineType::Int64(), MachineType::Uint64(), MachineType::Float32(), |
| MachineType::Float64()}; |
| |
| static const WasmOpcode kInt32BinopOpcodes[] = { |
| kExprI32Add, kExprI32Sub, kExprI32Mul, kExprI32DivS, kExprI32DivU, |
| kExprI32RemS, kExprI32RemU, kExprI32And, kExprI32Ior, kExprI32Xor, |
| kExprI32Shl, kExprI32ShrU, kExprI32ShrS, kExprI32Eq, kExprI32LtS, |
| kExprI32LeS, kExprI32LtU, kExprI32LeU}; |
| |
| #define WASM_BRV_IF_ZERO(depth, val) \ |
| val, WASM_ZERO, kExprBrIf, static_cast<uint8_t>(depth) |
| |
| constexpr size_t kMaxByteSizedLeb128 = 127; |
| |
| using F = std::pair<ValueType, bool>; |
| |
| // Used to construct fixed-size signatures: MakeSig::Returns(...).Params(...); |
| using MakeSig = FixedSizeSignature<ValueType>; |
| |
| // A helper for tests that require a module environment for functions, |
| // globals, or memories. |
| class TestModuleBuilder { |
| public: |
| explicit TestModuleBuilder(ModuleOrigin origin = kWasmOrigin) : mod(origin) { |
| mod.num_declared_functions = 1; |
| mod.validated_functions = std::make_unique<std::atomic<uint8_t>[]>(1); |
| // Asm.js functions are valid by design. |
| if (is_asmjs_module(&mod)) mod.validated_functions[0] = 0xff; |
| } |
| uint8_t AddGlobal(ValueType type, bool mutability = true) { |
| constexpr bool kIsShared = false; // TODO(14616): Extend this. |
| mod.globals.push_back({type, mutability, {}, {0}, kIsShared, false, false}); |
| CHECK_LE(mod.globals.size(), kMaxByteSizedLeb128); |
| return static_cast<uint8_t>(mod.globals.size() - 1); |
| } |
| ModuleTypeIndex AddSignature(const FunctionSig* sig, |
| ModuleTypeIndex supertype = kNoSuperType) { |
| const bool is_final = true; |
| const bool is_shared = false; |
| mod.AddSignatureForTesting(sig, supertype, is_final, is_shared); |
| CHECK_LE(mod.types.size(), kMaxByteSizedLeb128); |
| GetTypeCanonicalizer()->AddRecursiveSingletonGroup(module()); |
| return ModuleTypeIndex{static_cast<uint8_t>(mod.types.size() - 1)}; |
| } |
| uint8_t AddFunction(const FunctionSig* sig, bool declared = true) { |
| ModuleTypeIndex sig_index = AddSignature(sig); |
| return AddFunctionImpl(sig, sig_index, declared); |
| } |
| uint8_t AddFunction(ModuleTypeIndex sig_index, bool declared = true) { |
| DCHECK(mod.has_signature(sig_index)); |
| return AddFunctionImpl(mod.type(sig_index).function_sig, sig_index, |
| declared); |
| } |
| uint8_t AddImport(const FunctionSig* sig) { |
| uint8_t result = AddFunction(sig); |
| mod.functions[result].imported = true; |
| return result; |
| } |
| uint8_t AddException(WasmTagSig* sig) { |
| mod.tags.emplace_back(sig, AddSignature(sig)); |
| CHECK_LE(mod.types.size(), kMaxByteSizedLeb128); |
| return static_cast<uint8_t>(mod.tags.size() - 1); |
| } |
| |
| uint8_t AddTable(ValueType type, uint32_t initial_size, bool has_maximum_size, |
| uint32_t maximum_size, |
| AddressType address_type = AddressType::kI32) { |
| CHECK(type.is_object_reference()); |
| mod.tables.emplace_back(); |
| WasmTable& table = mod.tables.back(); |
| table.type = type; |
| table.initial_size = initial_size; |
| table.has_maximum_size = has_maximum_size; |
| table.maximum_size = maximum_size; |
| table.address_type = address_type; |
| return static_cast<uint8_t>(mod.tables.size() - 1); |
| } |
| |
| ModuleTypeIndex AddStruct(std::initializer_list<F> fields, |
| ModuleTypeIndex supertype = kNoSuperType) { |
| StructType::Builder type_builder(&mod.signature_zone, |
| static_cast<uint32_t>(fields.size())); |
| for (F field : fields) { |
| type_builder.AddField(field.first, field.second); |
| } |
| const bool is_final = true; |
| const bool is_shared = false; |
| mod.AddStructTypeForTesting(type_builder.Build(), supertype, is_final, |
| is_shared); |
| GetTypeCanonicalizer()->AddRecursiveSingletonGroup(module()); |
| return ModuleTypeIndex{static_cast<uint8_t>(mod.types.size() - 1)}; |
| } |
| |
| ModuleTypeIndex AddArray(ValueType type, bool mutability) { |
| ArrayType* array = mod.signature_zone.New<ArrayType>(type, mutability); |
| const bool is_final = true; |
| const bool is_shared = false; |
| mod.AddArrayTypeForTesting(array, kNoSuperType, is_final, is_shared); |
| GetTypeCanonicalizer()->AddRecursiveSingletonGroup(module()); |
| return ModuleTypeIndex{static_cast<uint8_t>(mod.types.size() - 1)}; |
| } |
| |
| uint8_t AddMemory(AddressType address_type = AddressType::kI32) { |
| mod.memories.push_back(WasmMemory{.initial_pages = 1, |
| .maximum_pages = 100, |
| .address_type = address_type}); |
| CHECK_GE(kMaxUInt8, mod.memories.size()); |
| return static_cast<uint8_t>(mod.memories.size() - 1); |
| } |
| |
| uint8_t AddTable(wasm::ValueType type, |
| AddressType address_type = AddressType::kI32) { |
| mod.tables.push_back(WasmTable{.type = type, .address_type = address_type}); |
| CHECK_GE(kMaxUInt8, mod.tables.size()); |
| return static_cast<uint8_t>(mod.tables.size() - 1); |
| } |
| |
| uint8_t AddPassiveElementSegment(wasm::ValueType type) { |
| constexpr bool kIsShared = false; // TODO(14616): Extend this. |
| mod.elem_segments.emplace_back(WasmElemSegment::kStatusPassive, kIsShared, |
| type, WasmElemSegment::kExpressionElements, |
| 0, 0); |
| return static_cast<uint8_t>(mod.elem_segments.size() - 1); |
| } |
| |
| uint8_t AddDeclarativeElementSegment() { |
| constexpr bool kIsShared = false; // TODO(14616): Extend this. |
| mod.elem_segments.emplace_back(WasmElemSegment::kStatusDeclarative, |
| kIsShared, kWasmFuncRef, |
| WasmElemSegment::kExpressionElements, 0, 0); |
| return static_cast<uint8_t>(mod.elem_segments.size() - 1); |
| } |
| |
| // Set the number of data segments as declared by the DataCount section. |
| void SetDataSegmentCount(uint32_t data_segment_count) { |
| // The Data section occurs after the Code section, so we don't need to |
| // update mod.data_segments, as it is always empty. |
| mod.num_declared_data_segments = data_segment_count; |
| } |
| |
| WasmModule* module() { return &mod; } |
| |
| private: |
| uint8_t AddFunctionImpl(const FunctionSig* sig, ModuleTypeIndex sig_index, |
| bool declared) { |
| mod.functions.push_back( |
| {sig, // sig |
| static_cast<uint32_t>(mod.functions.size()), // func_index |
| sig_index, // sig_index |
| {0, 0}, // code |
| false, // import |
| false, // export |
| declared}); // declared |
| CHECK_LE(mod.functions.size(), kMaxByteSizedLeb128); |
| return static_cast<uint8_t>(mod.functions.size() - 1); |
| } |
| |
| WasmModule mod; |
| }; |
| |
| template <class BaseTest> |
| class FunctionBodyDecoderTestBase : public WithZoneMixin<BaseTest> { |
| public: |
| using LocalsDecl = std::pair<uint32_t, ValueType>; |
| // All features are disabled by default and must be activated with |
| // a WASM_FEATURE_SCOPE in individual tests. |
| WasmEnabledFeatures enabled_features_ = WasmEnabledFeatures::None(); |
| |
| TestSignatures sigs; |
| TestModuleBuilder builder; |
| WasmModule* module = builder.module(); |
| LocalDeclEncoder local_decls{this->zone()}; |
| |
| void AddLocals(ValueType type, uint32_t count) { |
| local_decls.AddLocals(count, type); |
| } |
| |
| enum AppendEnd : bool { kAppendEnd, kOmitEnd }; |
| |
| base::Vector<const uint8_t> PrepareBytecode(base::Vector<const uint8_t> code, |
| AppendEnd append_end) { |
| size_t locals_size = local_decls.Size(); |
| size_t total_size = |
| code.size() + locals_size + (append_end == kAppendEnd ? 1 : 0); |
| uint8_t* buffer = this->zone()->template AllocateArray<uint8_t>(total_size); |
| // Prepend the local decls to the code. |
| local_decls.Emit(buffer); |
| // Emit the code. |
| if (code.size() > 0) { |
| memcpy(buffer + locals_size, code.begin(), code.size()); |
| } |
| if (append_end == kAppendEnd) { |
| // Append an extra end opcode. |
| buffer[total_size - 1] = kExprEnd; |
| } |
| |
| return {buffer, total_size}; |
| } |
| |
| template <size_t N> |
| base::Vector<const uint8_t> CodeToVector(const uint8_t (&code)[N]) { |
| return base::ArrayVector(code); |
| } |
| |
| base::Vector<const uint8_t> CodeToVector( |
| const std::initializer_list<const uint8_t>& code) { |
| return base::VectorOf(&*code.begin(), code.size()); |
| } |
| |
| base::Vector<const uint8_t> CodeToVector(base::Vector<const uint8_t> vec) { |
| return vec; |
| } |
| |
| // Prepends local variable declarations and renders nice error messages for |
| // verification failures. |
| template <typename Code = std::initializer_list<const uint8_t>> |
| void Validate(bool expected_success, const FunctionSig* sig, Code&& raw_code, |
| AppendEnd append_end = kAppendEnd, |
| const char* message = nullptr) { |
| base::Vector<const uint8_t> code = |
| PrepareBytecode(CodeToVector(std::forward<Code>(raw_code)), append_end); |
| |
| // Validate the code. |
| constexpr bool kIsShared = false; // TODO(14616): Extend this. |
| FunctionBody body(sig, 0, code.begin(), code.end(), kIsShared); |
| WasmDetectedFeatures unused_detected_features; |
| DecodeResult result = |
| ValidateFunctionBody(this->zone(), enabled_features_, module, |
| &unused_detected_features, body); |
| |
| std::ostringstream str; |
| if (result.failed()) { |
| str << "Verification failed: pc = +" << result.error().offset() |
| << ", msg = " << result.error().message(); |
| } else { |
| str << "Verification succeeded, expected failure"; |
| } |
| EXPECT_EQ(result.ok(), expected_success) << str.str(); |
| if (result.failed() && message) { |
| EXPECT_THAT(result.error().message(), ::testing::HasSubstr(message)); |
| } |
| } |
| |
| template <typename Code = std::initializer_list<const uint8_t>> |
| void ExpectValidates(const FunctionSig* sig, Code&& raw_code, |
| AppendEnd append_end = kAppendEnd, |
| const char* message = nullptr) { |
| Validate(true, sig, std::forward<Code>(raw_code), append_end, message); |
| } |
| |
| template <typename Code = std::initializer_list<const uint8_t>> |
| void ExpectFailure(const FunctionSig* sig, Code&& raw_code, |
| AppendEnd append_end = kAppendEnd, |
| const char* message = nullptr) { |
| Validate(false, sig, std::forward<Code>(raw_code), append_end, message); |
| } |
| |
| void TestBinop(WasmOpcode opcode, const FunctionSig* success) { |
| // op(local[0], local[1]) |
| uint8_t code[] = {WASM_BINOP(opcode, WASM_LOCAL_GET(0), WASM_LOCAL_GET(1))}; |
| ExpectValidates(success, code); |
| |
| // Try all combinations of return and parameter types. |
| for (size_t i = 0; i < arraysize(kValueTypes); i++) { |
| for (size_t j = 0; j < arraysize(kValueTypes); j++) { |
| for (size_t k = 0; k < arraysize(kValueTypes); k++) { |
| ValueType types[] = {kValueTypes[i], kValueTypes[j], kValueTypes[k]}; |
| if (types[0] != success->GetReturn(0) || |
| types[1] != success->GetParam(0) || |
| types[2] != success->GetParam(1)) { |
| // Test signature mismatch. |
| FunctionSig sig(1, 2, types); |
| ExpectFailure(&sig, code); |
| } |
| } |
| } |
| } |
| } |
| |
| void TestUnop(WasmOpcode opcode, const FunctionSig* success) { |
| TestUnop(opcode, success->GetReturn(), success->GetParam(0)); |
| } |
| |
| void TestUnop(WasmOpcode opcode, ValueType ret_type, ValueType param_type) { |
| // Return(op(local[0])) |
| uint8_t code[] = {WASM_UNOP(opcode, WASM_LOCAL_GET(0))}; |
| { |
| ValueType types[] = {ret_type, param_type}; |
| FunctionSig sig(1, 1, types); |
| ExpectValidates(&sig, code); |
| } |
| |
| // Try all combinations of return and parameter types. |
| for (size_t i = 0; i < arraysize(kValueTypes); i++) { |
| for (size_t j = 0; j < arraysize(kValueTypes); j++) { |
| ValueType types[] = {kValueTypes[i], kValueTypes[j]}; |
| if (types[0] != ret_type || types[1] != param_type) { |
| // Test signature mismatch. |
| FunctionSig sig(1, 1, types); |
| ExpectFailure(&sig, code); |
| } |
| } |
| } |
| } |
| }; |
| |
| using FunctionBodyDecoderTest = FunctionBodyDecoderTestBase<TestWithPlatform>; |
| |
| TEST_F(FunctionBodyDecoderTest, Int32Const1) { |
| uint8_t code[] = {kExprI32Const, 0}; |
| for (int i = -64; i <= 63; i++) { |
| code[1] = static_cast<uint8_t>(i & 0x7F); |
| ExpectValidates(sigs.i_i(), code); |
| } |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, RefFunc) { |
| builder.AddFunction(sigs.v_ii()); |
| builder.AddFunction(sigs.ii_v()); |
| ExpectValidates(sigs.c_v(), {kExprRefFunc, 1}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, EmptyFunction) { |
| ExpectValidates(sigs.v_v(), {}); |
| ExpectFailure(sigs.i_i(), {}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, IncompleteIf1) { |
| uint8_t code[] = {kExprIf}; |
| ExpectFailure(sigs.v_v(), code); |
| ExpectFailure(sigs.i_i(), code); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, Int32Const_fallthru) { |
| ExpectValidates(sigs.i_i(), {WASM_I32V_1(0)}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, Int32Const_fallthru2) { |
| ExpectFailure(sigs.i_i(), {WASM_I32V_1(0), WASM_I32V_1(1)}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, Int32Const) { |
| const int kInc = 4498211; |
| for (int32_t i = kMinInt; i < kMaxInt - kInc; i = i + kInc) { |
| // TODO(binji): expand test for other sized int32s; 1 through 5 bytes. |
| ExpectValidates(sigs.i_i(), {WASM_I32V(i)}); |
| } |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, Int64Const) { |
| const int kInc = 4498211; |
| for (int32_t i = kMinInt; i < kMaxInt - kInc; i = i + kInc) { |
| ExpectValidates(sigs.l_l(), |
| {WASM_I64V((static_cast<uint64_t>(i) << 32) | i)}); |
| } |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, Float32Const) { |
| uint8_t code[] = {kExprF32Const, 0, 0, 0, 0}; |
| Address ptr = reinterpret_cast<Address>(code + 1); |
| for (int i = 0; i < 30; i++) { |
| base::WriteLittleEndianValue<float>(ptr, i * -7.75f); |
| ExpectValidates(sigs.f_ff(), code); |
| } |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, Float64Const) { |
| uint8_t code[] = {kExprF64Const, 0, 0, 0, 0, 0, 0, 0, 0}; |
| Address ptr = reinterpret_cast<Address>(code + 1); |
| for (int i = 0; i < 30; i++) { |
| base::WriteLittleEndianValue<double>(ptr, i * 33.45); |
| ExpectValidates(sigs.d_dd(), code); |
| } |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, Int32Const_off_end) { |
| uint8_t code[] = {kExprI32Const, 0xAA, 0xBB, 0xCC, 0x44}; |
| |
| for (size_t size = 1; size <= 4; ++size) { |
| ExpectFailure(sigs.i_i(), base::VectorOf(code, size), kAppendEnd); |
| // Should also fail without the trailing 'end' opcode. |
| ExpectFailure(sigs.i_i(), base::VectorOf(code, size), kOmitEnd); |
| } |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, GetLocal0_param) { |
| ExpectValidates(sigs.i_i(), kCodeGetLocal0); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, GetLocal0_local) { |
| AddLocals(kWasmI32, 1); |
| ExpectValidates(sigs.i_v(), kCodeGetLocal0); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, TooManyLocals) { |
| AddLocals(kWasmI32, 4034986500); |
| ExpectFailure(sigs.i_v(), kCodeGetLocal0); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, GetLocal0_param_n) { |
| for (const FunctionSig* sig : {sigs.i_i(), sigs.i_ii(), sigs.i_iii()}) { |
| ExpectValidates(sig, kCodeGetLocal0); |
| } |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, GetLocalN_local) { |
| for (uint8_t i = 1; i < 8; i++) { |
| AddLocals(kWasmI32, 1); |
| for (uint8_t j = 0; j < i; j++) { |
| ExpectValidates(sigs.i_v(), {kExprLocalGet, j}); |
| } |
| } |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, GetLocal0_fail_no_params) { |
| ExpectFailure(sigs.i_v(), kCodeGetLocal0); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, GetLocal1_fail_no_locals) { |
| ExpectFailure(sigs.i_i(), kCodeGetLocal1); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, GetLocal_off_end) { |
| ExpectFailure(sigs.i_i(), {kExprLocalGet}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, NumLocalBelowLimit) { |
| AddLocals(kWasmI32, kV8MaxWasmFunctionLocals - 1); |
| ExpectValidates(sigs.v_v(), {WASM_NOP}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, NumLocalAtLimit) { |
| AddLocals(kWasmI32, kV8MaxWasmFunctionLocals); |
| ExpectValidates(sigs.v_v(), {WASM_NOP}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, NumLocalAboveLimit) { |
| AddLocals(kWasmI32, kV8MaxWasmFunctionLocals + 1); |
| ExpectFailure(sigs.v_v(), {WASM_NOP}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, GetLocal_varint) { |
| const int kMaxLocals = kV8MaxWasmFunctionLocals - 1; |
| AddLocals(kWasmI32, kMaxLocals); |
| |
| ExpectValidates(sigs.i_i(), {kExprLocalGet, U32V_1(66)}); |
| ExpectValidates(sigs.i_i(), {kExprLocalGet, U32V_2(7777)}); |
| ExpectValidates(sigs.i_i(), {kExprLocalGet, U32V_3(8888)}); |
| ExpectValidates(sigs.i_i(), {kExprLocalGet, U32V_4(9999)}); |
| |
| ExpectValidates(sigs.i_i(), {kExprLocalGet, U32V_5(kMaxLocals - 1)}); |
| |
| ExpectFailure(sigs.i_i(), {kExprLocalGet, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}); |
| |
| ExpectValidates(sigs.i_i(), {kExprLocalGet, U32V_4(kMaxLocals - 1)}); |
| ExpectValidates(sigs.i_i(), {kExprLocalGet, U32V_4(kMaxLocals)}); |
| ExpectFailure(sigs.i_i(), {kExprLocalGet, U32V_4(kMaxLocals + 1)}); |
| |
| ExpectFailure(sigs.i_v(), {kExprLocalGet, U32V_4(kMaxLocals)}); |
| ExpectFailure(sigs.i_v(), {kExprLocalGet, U32V_4(kMaxLocals + 1)}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, GetLocal_toomany) { |
| AddLocals(kWasmI32, kV8MaxWasmFunctionLocals - 100); |
| AddLocals(kWasmI32, 100); |
| |
| ExpectValidates(sigs.i_v(), {kExprLocalGet, U32V_1(66)}); |
| ExpectFailure(sigs.i_i(), {kExprLocalGet, U32V_1(66)}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, Binops_off_end) { |
| uint8_t code1[] = {0}; // [opcode] |
| for (size_t i = 0; i < arraysize(kInt32BinopOpcodes); i++) { |
| code1[0] = kInt32BinopOpcodes[i]; |
| ExpectFailure(sigs.i_i(), code1); |
| } |
| |
| uint8_t code3[] = {kExprLocalGet, 0, 0}; // [expr] [opcode] |
| for (size_t i = 0; i < arraysize(kInt32BinopOpcodes); i++) { |
| code3[2] = kInt32BinopOpcodes[i]; |
| ExpectFailure(sigs.i_i(), code3); |
| } |
| |
| uint8_t code4[] = {kExprLocalGet, 0, 0, 0}; // [expr] [opcode] [opcode] |
| for (size_t i = 0; i < arraysize(kInt32BinopOpcodes); i++) { |
| code4[2] = kInt32BinopOpcodes[i]; |
| code4[3] = kInt32BinopOpcodes[i]; |
| ExpectFailure(sigs.i_i(), code4); |
| } |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, BinopsAcrossBlock1) { |
| ExpectFailure(sigs.i_i(), {WASM_ZERO, kExprBlock, kI32Code, WASM_ZERO, |
| kExprI32Add, kExprEnd}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, BinopsAcrossBlock2) { |
| ExpectFailure(sigs.i_i(), {WASM_ZERO, WASM_ZERO, kExprBlock, kI32Code, |
| kExprI32Add, kExprEnd}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, BinopsAcrossBlock3) { |
| ExpectFailure(sigs.i_i(), {WASM_ZERO, WASM_ZERO, kExprIf, kI32Code, |
| kExprI32Add, kExprElse, kExprI32Add, kExprEnd}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, Nop) { |
| ExpectValidates(sigs.v_v(), {kExprNop}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, SetLocal0_void) { |
| ExpectFailure(sigs.i_i(), {WASM_LOCAL_SET(0, WASM_ZERO)}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, SetLocal0_param) { |
| ExpectFailure(sigs.i_i(), kCodeSetLocal0); |
| ExpectFailure(sigs.f_ff(), kCodeSetLocal0); |
| ExpectFailure(sigs.d_dd(), kCodeSetLocal0); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, TeeLocal0_param) { |
| ExpectValidates(sigs.i_i(), kCodeTeeLocal0); |
| ExpectFailure(sigs.f_ff(), kCodeTeeLocal0); |
| ExpectFailure(sigs.d_dd(), kCodeTeeLocal0); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, SetLocal0_local) { |
| ExpectFailure(sigs.i_v(), kCodeSetLocal0); |
| ExpectFailure(sigs.v_v(), kCodeSetLocal0); |
| AddLocals(kWasmI32, 1); |
| ExpectFailure(sigs.i_v(), kCodeSetLocal0); |
| ExpectValidates(sigs.v_v(), kCodeSetLocal0); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, TeeLocal0_local) { |
| ExpectFailure(sigs.i_v(), kCodeTeeLocal0); |
| AddLocals(kWasmI32, 1); |
| ExpectValidates(sigs.i_v(), kCodeTeeLocal0); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, TeeLocalN_local) { |
| for (uint8_t i = 1; i < 8; i++) { |
| AddLocals(kWasmI32, 1); |
| for (uint8_t j = 0; j < i; j++) { |
| ExpectFailure(sigs.v_v(), {WASM_LOCAL_TEE(j, WASM_I32V_1(i))}); |
| ExpectValidates(sigs.i_i(), {WASM_LOCAL_TEE(j, WASM_I32V_1(i))}); |
| } |
| } |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, BlockN) { |
| constexpr size_t kMaxSize = 200; |
| uint8_t buffer[kMaxSize + 3]; |
| |
| for (size_t i = 0; i <= kMaxSize; i++) { |
| memset(buffer, kExprNop, sizeof(buffer)); |
| buffer[0] = kExprBlock; |
| buffer[1] = kVoidCode; |
| buffer[i + 2] = kExprEnd; |
| ExpectValidates(sigs.v_i(), base::VectorOf(buffer, i + 3), kAppendEnd); |
| } |
| } |
| |
| #define WASM_EMPTY_BLOCK kExprBlock, kVoidCode, kExprEnd |
| |
| TEST_F(FunctionBodyDecoderTest, Block0) { |
| ExpectValidates(sigs.v_v(), {WASM_EMPTY_BLOCK}); |
| ExpectFailure(sigs.i_i(), {WASM_EMPTY_BLOCK}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, Block0_fallthru1) { |
| ExpectValidates(sigs.v_v(), {WASM_BLOCK(WASM_EMPTY_BLOCK)}); |
| ExpectFailure(sigs.i_i(), {WASM_BLOCK(WASM_EMPTY_BLOCK)}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, Block0Block0) { |
| ExpectValidates(sigs.v_v(), {WASM_EMPTY_BLOCK, WASM_EMPTY_BLOCK}); |
| ExpectFailure(sigs.i_i(), {WASM_EMPTY_BLOCK, WASM_EMPTY_BLOCK}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, Block0_end) { |
| ExpectFailure(sigs.v_v(), {WASM_EMPTY_BLOCK, kExprEnd}); |
| } |
| |
| #undef WASM_EMPTY_BLOCK |
| |
| TEST_F(FunctionBodyDecoderTest, Block1) { |
| uint8_t code[] = {WASM_BLOCK_I(WASM_LOCAL_GET(0))}; |
| ExpectValidates(sigs.i_i(), code); |
| ExpectFailure(sigs.v_i(), code); |
| ExpectFailure(sigs.d_dd(), code); |
| ExpectFailure(sigs.i_f(), code); |
| ExpectFailure(sigs.i_d(), code); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, Block1_i) { |
| uint8_t code[] = {WASM_BLOCK_I(WASM_ZERO)}; |
| ExpectValidates(sigs.i_i(), code); |
| ExpectFailure(sigs.f_ff(), code); |
| ExpectFailure(sigs.d_dd(), code); |
| ExpectFailure(sigs.l_ll(), code); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, Block1_f) { |
| uint8_t code[] = {WASM_BLOCK_F(WASM_F32(0))}; |
| ExpectFailure(sigs.i_i(), code); |
| ExpectValidates(sigs.f_ff(), code); |
| ExpectFailure(sigs.d_dd(), code); |
| ExpectFailure(sigs.l_ll(), code); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, Block1_continue) { |
| ExpectValidates(sigs.v_v(), {WASM_LOOP(WASM_BR(0))}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, Block1_br) { |
| ExpectValidates(sigs.v_v(), {B1(WASM_BR(0))}); |
| ExpectValidates(sigs.v_v(), {B1(WASM_BR(1))}); |
| ExpectFailure(sigs.v_v(), {B1(WASM_BR(2))}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, Block2_br) { |
| ExpectValidates(sigs.v_v(), {B2(WASM_NOP, WASM_BR(0))}); |
| ExpectValidates(sigs.v_v(), {B2(WASM_BR(0), WASM_NOP)}); |
| ExpectValidates(sigs.v_v(), {B2(WASM_BR(0), WASM_BR(0))}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, Block2) { |
| ExpectFailure(sigs.i_i(), {WASM_BLOCK(WASM_NOP, WASM_NOP)}); |
| ExpectFailure(sigs.i_i(), {WASM_BLOCK_I(WASM_NOP, WASM_NOP)}); |
| ExpectValidates(sigs.i_i(), {WASM_BLOCK_I(WASM_NOP, WASM_ZERO)}); |
| ExpectValidates(sigs.i_i(), {WASM_BLOCK_I(WASM_ZERO, WASM_NOP)}); |
| ExpectFailure(sigs.i_i(), {WASM_BLOCK_I(WASM_ZERO, WASM_ZERO)}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, Block2b) { |
| uint8_t code[] = {WASM_BLOCK_I(WASM_LOCAL_SET(0, WASM_ZERO), WASM_ZERO)}; |
| ExpectValidates(sigs.i_i(), code); |
| ExpectFailure(sigs.v_v(), code); |
| ExpectFailure(sigs.f_ff(), code); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, Block2_fallthru) { |
| ExpectValidates(sigs.i_i(), {B2(WASM_LOCAL_SET(0, WASM_ZERO), |
| WASM_LOCAL_SET(0, WASM_ZERO)), |
| WASM_I32V_1(23)}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, Block3) { |
| ExpectValidates(sigs.i_i(), {WASM_BLOCK_I(WASM_LOCAL_SET(0, WASM_ZERO), |
| WASM_LOCAL_SET(0, WASM_ZERO), |
| WASM_I32V_1(11))}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, Block5) { |
| ExpectFailure(sigs.v_i(), {WASM_BLOCK(WASM_ZERO)}); |
| |
| ExpectFailure(sigs.v_i(), {WASM_BLOCK(WASM_ZERO, WASM_ZERO)}); |
| |
| ExpectFailure(sigs.v_i(), {WASM_BLOCK(WASM_ZERO, WASM_ZERO, WASM_ZERO)}); |
| |
| ExpectFailure(sigs.v_i(), |
| {WASM_BLOCK(WASM_ZERO, WASM_ZERO, WASM_ZERO, WASM_ZERO)}); |
| |
| ExpectFailure(sigs.v_i(), {WASM_BLOCK(WASM_ZERO, WASM_ZERO, WASM_ZERO, |
| WASM_ZERO, WASM_ZERO)}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, BlockType) { |
| ExpectValidates(sigs.i_i(), {WASM_BLOCK_I(WASM_LOCAL_GET(0))}); |
| ExpectValidates(sigs.l_l(), {WASM_BLOCK_L(WASM_LOCAL_GET(0))}); |
| ExpectValidates(sigs.f_f(), {WASM_BLOCK_F(WASM_LOCAL_GET(0))}); |
| ExpectValidates(sigs.d_d(), {WASM_BLOCK_D(WASM_LOCAL_GET(0))}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, BlockType_fail) { |
| ExpectFailure(sigs.i_i(), {WASM_BLOCK_L(WASM_I64V_1(0))}, kAppendEnd, |
| "type error in fallthru[0]"); |
| ExpectFailure(sigs.i_i(), {WASM_BLOCK_F(WASM_F32(0.0))}, kAppendEnd, |
| "type error in fallthru[0]"); |
| ExpectFailure(sigs.i_i(), {WASM_BLOCK_D(WASM_F64(1.1))}, kAppendEnd, |
| "type error in fallthru[0]"); |
| |
| ExpectFailure(sigs.l_l(), {WASM_BLOCK_I(WASM_ZERO)}, kAppendEnd, |
| "type error in fallthru[0]"); |
| ExpectFailure(sigs.l_l(), {WASM_BLOCK_F(WASM_F32(0.0))}, kAppendEnd, |
| "type error in fallthru[0]"); |
| ExpectFailure(sigs.l_l(), {WASM_BLOCK_D(WASM_F64(1.1))}, kAppendEnd, |
| "type error in fallthru[0]"); |
| |
| ExpectFailure(sigs.f_ff(), {WASM_BLOCK_I(WASM_ZERO)}, kAppendEnd, |
| "type error in fallthru[0]"); |
| ExpectFailure(sigs.f_ff(), {WASM_BLOCK_L(WASM_I64V_1(0))}, kAppendEnd, |
| "type error in fallthru[0]"); |
| ExpectFailure(sigs.f_ff(), {WASM_BLOCK_D(WASM_F64(1.1))}, kAppendEnd, |
| "type error in fallthru[0]"); |
| |
| ExpectFailure(sigs.d_dd(), {WASM_BLOCK_I(WASM_ZERO)}, kAppendEnd, |
| "type error in fallthru[0]"); |
| ExpectFailure(sigs.d_dd(), {WASM_BLOCK_L(WASM_I64V_1(0))}, kAppendEnd, |
| "type error in fallthru[0]"); |
| ExpectFailure(sigs.d_dd(), {WASM_BLOCK_F(WASM_F32(0.0))}, kAppendEnd, |
| "type error in fallthru[0]"); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, BlockF32) { |
| static const uint8_t code[] = {WASM_BLOCK_F(kExprF32Const, 0, 0, 0, 0)}; |
| ExpectValidates(sigs.f_ff(), code); |
| ExpectFailure(sigs.i_i(), code); |
| ExpectFailure(sigs.d_dd(), code); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, BlockN_off_end) { |
| uint8_t code[] = {WASM_BLOCK(kExprNop, kExprNop, kExprNop, kExprNop)}; |
| ExpectValidates(sigs.v_v(), code); |
| for (size_t i = 1; i < arraysize(code); i++) { |
| ExpectFailure(sigs.v_v(), base::VectorOf(code, i), kAppendEnd); |
| ExpectFailure(sigs.v_v(), base::VectorOf(code, i), kOmitEnd); |
| } |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, Block2_continue) { |
| ExpectValidates(sigs.v_v(), {WASM_LOOP(WASM_NOP, WASM_BR(0))}); |
| ExpectValidates(sigs.v_v(), {WASM_LOOP(WASM_NOP, WASM_BR(1))}); |
| ExpectFailure(sigs.v_v(), {WASM_LOOP(WASM_NOP, WASM_BR(2))}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, Block3_continue) { |
| ExpectValidates(sigs.v_v(), {B1(WASM_LOOP(WASM_NOP, WASM_BR(0)))}); |
| ExpectValidates(sigs.v_v(), {B1(WASM_LOOP(WASM_NOP, WASM_BR(1)))}); |
| ExpectValidates(sigs.v_v(), {B1(WASM_LOOP(WASM_NOP, WASM_BR(2)))}); |
| ExpectFailure(sigs.v_v(), {B1(WASM_LOOP(WASM_NOP, WASM_BR(3)))}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, NestedBlock_return) { |
| ExpectValidates(sigs.i_i(), {B1(B1(WASM_RETURN(WASM_ZERO))), WASM_ZERO}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, BlockBrBinop) { |
| ExpectValidates(sigs.i_i(), |
| {WASM_I32_AND(WASM_BLOCK_I(WASM_BRV(0, WASM_I32V_1(1))), |
| WASM_I32V_1(2))}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, VoidBlockTypeVariants) { |
| // Valid kVoidCode encoded in 2 bytes. |
| ExpectValidates(sigs.v_v(), {kExprBlock, kVoidCode | 0x80, 0x7F, kExprEnd}); |
| // Invalid code, whose last 7 bits coincide with kVoidCode. |
| ExpectFailure(sigs.v_v(), {kExprBlock, kVoidCode | 0x80, 0x45, kExprEnd}, |
| kAppendEnd, "invalid block type"); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, If_empty1) { |
| ExpectValidates(sigs.v_v(), {WASM_ZERO, WASM_IF_OP, kExprEnd}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, If_empty2) { |
| ExpectValidates(sigs.v_v(), {WASM_ZERO, WASM_IF_OP, kExprElse, kExprEnd}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, If_empty3) { |
| ExpectValidates(sigs.v_v(), |
| {WASM_ZERO, WASM_IF_OP, WASM_NOP, kExprElse, kExprEnd}); |
| ExpectFailure(sigs.v_v(), |
| {WASM_ZERO, WASM_IF_OP, WASM_ZERO, kExprElse, kExprEnd}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, If_empty4) { |
| ExpectValidates(sigs.v_v(), |
| {WASM_ZERO, WASM_IF_OP, kExprElse, WASM_NOP, kExprEnd}); |
| ExpectFailure(sigs.v_v(), |
| {WASM_ZERO, WASM_IF_OP, kExprElse, WASM_ZERO, kExprEnd}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, If_empty_stack) { |
| uint8_t code[] = {kExprIf}; |
| ExpectFailure(sigs.v_v(), code); |
| ExpectFailure(sigs.i_i(), code); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, If_incomplete1) { |
| uint8_t code[] = {kExprI32Const, 0, kExprIf}; |
| ExpectFailure(sigs.v_v(), code); |
| ExpectFailure(sigs.i_i(), code); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, If_incomplete2) { |
| uint8_t code[] = {kExprI32Const, 0, kExprIf, kExprNop}; |
| ExpectFailure(sigs.v_v(), code); |
| ExpectFailure(sigs.i_i(), code); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, If_else_else) { |
| uint8_t code[] = {kExprI32Const, 0, WASM_IF_OP, |
| kExprElse, kExprElse, kExprEnd}; |
| ExpectFailure(sigs.v_v(), code); |
| ExpectFailure(sigs.i_i(), code); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, IfEmpty) { |
| ExpectValidates(sigs.v_i(), {kExprLocalGet, 0, WASM_IF_OP, kExprEnd}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, IfSet) { |
| ExpectValidates(sigs.v_i(), |
| {WASM_IF(WASM_LOCAL_GET(0), WASM_LOCAL_SET(0, WASM_ZERO))}); |
| ExpectValidates(sigs.v_i(), |
| {WASM_IF_ELSE(WASM_LOCAL_GET(0), WASM_LOCAL_SET(0, WASM_ZERO), |
| WASM_NOP)}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, IfElseEmpty) { |
| ExpectValidates(sigs.v_i(), |
| {WASM_LOCAL_GET(0), WASM_IF_OP, kExprElse, kExprEnd}); |
| ExpectValidates(sigs.v_i(), |
| {WASM_IF_ELSE(WASM_LOCAL_GET(0), WASM_NOP, WASM_NOP)}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, IfElseUnreachable1) { |
| ExpectValidates( |
| sigs.i_i(), |
| {WASM_IF_ELSE_I(WASM_LOCAL_GET(0), WASM_UNREACHABLE, WASM_LOCAL_GET(0))}); |
| ExpectValidates( |
| sigs.i_i(), |
| {WASM_IF_ELSE_I(WASM_LOCAL_GET(0), WASM_LOCAL_GET(0), WASM_UNREACHABLE)}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, IfElseUnreachable2) { |
| static const uint8_t code[] = { |
| WASM_IF_ELSE_I(WASM_LOCAL_GET(0), WASM_UNREACHABLE, WASM_LOCAL_GET(0))}; |
| |
| for (size_t i = 0; i < arraysize(kValueTypes); i++) { |
| ValueType types[] = {kWasmI32, kValueTypes[i]}; |
| FunctionSig sig(1, 1, types); |
| |
| Validate(kValueTypes[i] == kWasmI32, &sig, code); |
| } |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, OneArmedIfWithArity) { |
| static const uint8_t code[] = {WASM_ZERO, kExprIf, kI32Code, WASM_ONE, |
| kExprEnd}; |
| ExpectFailure(sigs.i_v(), code, kAppendEnd, |
| "start-arity and end-arity of one-armed if must match"); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, IfBreak) { |
| ExpectValidates(sigs.v_i(), {WASM_IF(WASM_LOCAL_GET(0), WASM_BR(0))}); |
| ExpectValidates(sigs.v_i(), {WASM_IF(WASM_LOCAL_GET(0), WASM_BR(1))}); |
| ExpectFailure(sigs.v_i(), {WASM_IF(WASM_LOCAL_GET(0), WASM_BR(2))}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, IfElseBreak) { |
| ExpectValidates(sigs.v_i(), |
| {WASM_IF_ELSE(WASM_LOCAL_GET(0), WASM_NOP, WASM_BR(0))}); |
| ExpectValidates(sigs.v_i(), |
| {WASM_IF_ELSE(WASM_LOCAL_GET(0), WASM_NOP, WASM_BR(1))}); |
| ExpectFailure(sigs.v_i(), |
| {WASM_IF_ELSE(WASM_LOCAL_GET(0), WASM_NOP, WASM_BR(2))}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, Block_else) { |
| uint8_t code[] = {kExprI32Const, 0, kExprBlock, kExprElse, kExprEnd}; |
| ExpectFailure(sigs.v_v(), code); |
| ExpectFailure(sigs.i_i(), code); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, IfNop) { |
| ExpectValidates(sigs.v_i(), {WASM_IF(WASM_LOCAL_GET(0), WASM_NOP)}); |
| ExpectValidates(sigs.v_i(), |
| {WASM_IF_ELSE(WASM_LOCAL_GET(0), WASM_NOP, WASM_NOP)}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, If_end) { |
| ExpectValidates(sigs.v_i(), {kExprLocalGet, 0, WASM_IF_OP, kExprEnd}); |
| ExpectFailure(sigs.v_i(), {kExprLocalGet, 0, WASM_IF_OP, kExprEnd, kExprEnd}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, If_falloff1) { |
| ExpectFailure(sigs.v_i(), {kExprLocalGet, 0, kExprIf}); |
| ExpectFailure(sigs.v_i(), {kExprLocalGet, 0, WASM_IF_OP}); |
| ExpectFailure(sigs.v_i(), |
| {kExprLocalGet, 0, WASM_IF_OP, kExprNop, kExprElse}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, IfElseNop) { |
| ExpectValidates(sigs.v_i(), |
| {WASM_IF_ELSE(WASM_LOCAL_GET(0), WASM_LOCAL_SET(0, WASM_ZERO), |
| WASM_NOP)}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, IfBlock1) { |
| ExpectValidates(sigs.v_i(), |
| {WASM_IF_ELSE(WASM_LOCAL_GET(0), |
| B1(WASM_LOCAL_SET(0, WASM_ZERO)), WASM_NOP)}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, IfBlock1b) { |
| ExpectValidates(sigs.v_i(), {WASM_IF(WASM_LOCAL_GET(0), |
| B1(WASM_LOCAL_SET(0, WASM_ZERO)))}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, IfBlock2a) { |
| ExpectValidates(sigs.v_i(), {WASM_IF(WASM_LOCAL_GET(0), |
| B2(WASM_LOCAL_SET(0, WASM_ZERO), |
| WASM_LOCAL_SET(0, WASM_ZERO)))}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, IfBlock2b) { |
| ExpectValidates(sigs.v_i(), {WASM_IF_ELSE(WASM_LOCAL_GET(0), |
| B2(WASM_LOCAL_SET(0, WASM_ZERO), |
| WASM_LOCAL_SET(0, WASM_ZERO)), |
| WASM_NOP)}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, IfElseSet) { |
| ExpectValidates(sigs.v_i(), |
| {WASM_IF_ELSE(WASM_LOCAL_GET(0), WASM_LOCAL_SET(0, WASM_ZERO), |
| WASM_LOCAL_SET(0, WASM_I32V_1(1)))}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, Loop0) { |
| ExpectValidates(sigs.v_v(), {WASM_LOOP_OP, kExprEnd}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, Loop1) { |
| static const uint8_t code[] = {WASM_LOOP(WASM_LOCAL_SET(0, WASM_ZERO))}; |
| ExpectValidates(sigs.v_i(), code); |
| ExpectFailure(sigs.v_v(), code); |
| ExpectFailure(sigs.f_ff(), code); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, Loop2) { |
| ExpectValidates(sigs.v_i(), {WASM_LOOP(WASM_LOCAL_SET(0, WASM_ZERO), |
| WASM_LOCAL_SET(0, WASM_ZERO))}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, Loop1_continue) { |
| ExpectValidates(sigs.v_v(), {WASM_LOOP(WASM_BR(0))}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, Loop1_break) { |
| ExpectValidates(sigs.v_v(), {WASM_LOOP(WASM_BR(1))}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, Loop2_continue) { |
| ExpectValidates(sigs.v_i(), |
| {WASM_LOOP(WASM_LOCAL_SET(0, WASM_ZERO), WASM_BR(0))}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, Loop2_break) { |
| ExpectValidates(sigs.v_i(), |
| {WASM_LOOP(WASM_LOCAL_SET(0, WASM_ZERO), WASM_BR(1))}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, InfiniteLoop1) { |
| ExpectValidates(sigs.i_i(), {WASM_LOOP(WASM_BR(0)), WASM_ZERO}); |
| ExpectValidates(sigs.i_i(), {WASM_LOOP(WASM_BR(0)), WASM_ZERO}); |
| ExpectValidates(sigs.i_i(), {WASM_LOOP_I(WASM_BRV(1, WASM_ZERO))}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, InfiniteLoop2) { |
| ExpectFailure(sigs.i_i(), {WASM_LOOP(WASM_BR(0), WASM_ZERO), WASM_ZERO}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, Loop2_unreachable) { |
| ExpectValidates(sigs.i_i(), {WASM_LOOP_I(WASM_BR(0), WASM_NOP)}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, LoopType) { |
| ExpectValidates(sigs.i_i(), {WASM_LOOP_I(WASM_LOCAL_GET(0))}); |
| ExpectValidates(sigs.l_l(), {WASM_LOOP_L(WASM_LOCAL_GET(0))}); |
| ExpectValidates(sigs.f_f(), {WASM_LOOP_F(WASM_LOCAL_GET(0))}); |
| ExpectValidates(sigs.d_d(), {WASM_LOOP_D(WASM_LOCAL_GET(0))}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, LoopType_void) { |
| ExpectFailure(sigs.v_v(), {WASM_LOOP_I(WASM_ZERO)}); |
| ExpectFailure(sigs.v_v(), {WASM_LOOP_L(WASM_I64V_1(0))}); |
| ExpectFailure(sigs.v_v(), {WASM_LOOP_F(WASM_F32(0.0))}); |
| ExpectFailure(sigs.v_v(), {WASM_LOOP_D(WASM_F64(1.1))}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, LoopType_fail) { |
| ExpectFailure(sigs.i_i(), {WASM_LOOP_L(WASM_I64V_1(0))}); |
| ExpectFailure(sigs.i_i(), {WASM_LOOP_F(WASM_F32(0.0))}); |
| ExpectFailure(sigs.i_i(), {WASM_LOOP_D(WASM_F64(1.1))}); |
| |
| ExpectFailure(sigs.l_l(), {WASM_LOOP_I(WASM_ZERO)}); |
| ExpectFailure(sigs.l_l(), {WASM_LOOP_F(WASM_F32(0.0))}); |
| ExpectFailure(sigs.l_l(), {WASM_LOOP_D(WASM_F64(1.1))}); |
| |
| ExpectFailure(sigs.f_ff(), {WASM_LOOP_I(WASM_ZERO)}); |
| ExpectFailure(sigs.f_ff(), {WASM_LOOP_L(WASM_I64V_1(0))}); |
| ExpectFailure(sigs.f_ff(), {WASM_LOOP_D(WASM_F64(1.1))}); |
| |
| ExpectFailure(sigs.d_dd(), {WASM_LOOP_I(WASM_ZERO)}); |
| ExpectFailure(sigs.d_dd(), {WASM_LOOP_L(WASM_I64V_1(0))}); |
| ExpectFailure(sigs.d_dd(), {WASM_LOOP_F(WASM_F32(0.0))}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, ReturnVoid1) { |
| static const uint8_t code[] = {kExprNop}; |
| ExpectValidates(sigs.v_v(), code); |
| ExpectFailure(sigs.i_i(), code); |
| ExpectFailure(sigs.i_f(), code); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, ReturnVoid2) { |
| static const uint8_t code[] = {WASM_BLOCK(WASM_BR(0))}; |
| ExpectValidates(sigs.v_v(), code); |
| ExpectFailure(sigs.i_i(), code); |
| ExpectFailure(sigs.i_f(), code); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, ReturnVoid3) { |
| ExpectFailure(sigs.v_v(), {kExprI32Const, 0}); |
| ExpectFailure(sigs.v_v(), {kExprI64Const, 0}); |
| ExpectFailure(sigs.v_v(), {kExprF32Const, 0, 0, 0, 0}); |
| ExpectFailure(sigs.v_v(), {kExprF64Const, 0, 0, 0, 0, 0, 0, 0, 0}); |
| ExpectFailure(sigs.v_v(), {kExprRefNull}); |
| ExpectFailure(sigs.v_v(), {kExprRefFunc, 0}); |
| |
| ExpectFailure(sigs.v_i(), {kExprLocalGet, 0}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, Unreachable1) { |
| ExpectValidates(sigs.v_v(), {WASM_UNREACHABLE}); |
| ExpectValidates(sigs.v_v(), {WASM_UNREACHABLE, WASM_UNREACHABLE}); |
| ExpectValidates(sigs.i_i(), {WASM_UNREACHABLE, WASM_ZERO}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, Unreachable2) { |
| ExpectFailure(sigs.v_v(), {B2(WASM_UNREACHABLE, WASM_ZERO)}); |
| ExpectFailure(sigs.v_v(), {B2(WASM_BR(0), WASM_ZERO)}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, UnreachableLoop1) { |
| ExpectFailure(sigs.v_v(), {WASM_LOOP(WASM_UNREACHABLE, WASM_ZERO)}); |
| ExpectFailure(sigs.v_v(), {WASM_LOOP(WASM_BR(0), WASM_ZERO)}); |
| ExpectValidates(sigs.v_v(), {WASM_LOOP(WASM_UNREACHABLE, WASM_NOP)}); |
| ExpectValidates(sigs.v_v(), {WASM_LOOP(WASM_BR(0), WASM_NOP)}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, Unreachable_binop1) { |
| ExpectValidates(sigs.i_i(), {WASM_I32_AND(WASM_ZERO, WASM_UNREACHABLE)}); |
| ExpectValidates(sigs.i_i(), {WASM_I32_AND(WASM_UNREACHABLE, WASM_ZERO)}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, Unreachable_binop2) { |
| ExpectValidates(sigs.i_i(), {WASM_I32_AND(WASM_F32(0.0), WASM_UNREACHABLE)}); |
| ExpectFailure(sigs.i_i(), {WASM_I32_AND(WASM_UNREACHABLE, WASM_F32(0.0))}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, Unreachable_select1) { |
| ExpectValidates(sigs.i_i(), |
| {WASM_SELECT(WASM_UNREACHABLE, WASM_ZERO, WASM_ZERO)}); |
| ExpectValidates(sigs.i_i(), |
| {WASM_SELECT(WASM_ZERO, WASM_UNREACHABLE, WASM_ZERO)}); |
| ExpectValidates(sigs.i_i(), |
| {WASM_SELECT(WASM_ZERO, WASM_ZERO, WASM_UNREACHABLE)}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, Unreachable_select2) { |
| ExpectValidates(sigs.i_i(), |
| {WASM_SELECT(WASM_F32(0.0), WASM_UNREACHABLE, WASM_ZERO)}); |
| ExpectFailure(sigs.i_i(), |
| {WASM_SELECT(WASM_UNREACHABLE, WASM_F32(0.0), WASM_ZERO)}); |
| ExpectFailure(sigs.i_i(), |
| {WASM_SELECT(WASM_UNREACHABLE, WASM_ZERO, WASM_F32(0.0))}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, UnreachableRefTypes) { |
| ModuleTypeIndex sig_index = builder.AddSignature(sigs.i_ii()); |
| uint8_t function_index = builder.AddFunction(sig_index); |
| ModuleTypeIndex struct_index = |
| builder.AddStruct({F(kWasmI32, true), F(kWasmI64, true)}); |
| ModuleTypeIndex array_index = builder.AddArray(kWasmI32, true); |
| |
| ValueType struct_type = ValueType::Ref(struct_index); |
| ValueType struct_type_null = ValueType::RefNull(struct_index); |
| FunctionSig sig_v_s(0, 1, &struct_type); |
| uint8_t struct_consumer = builder.AddFunction(&sig_v_s); |
| uint8_t struct_consumer2 = builder.AddFunction( |
| FunctionSig::Build(zone(), {kWasmI32}, {struct_type, struct_type})); |
| |
| ExpectValidates(sigs.i_v(), {WASM_UNREACHABLE, kExprRefIsNull}); |
| ExpectValidates(sigs.v_v(), {WASM_UNREACHABLE, kExprRefAsNonNull, kExprDrop}); |
| |
| ExpectValidates(sigs.i_v(), |
| {WASM_UNREACHABLE, kExprCallRef, ToByte(sig_index)}); |
| ExpectValidates(sigs.i_v(), {WASM_UNREACHABLE, WASM_REF_FUNC(function_index), |
| kExprCallRef, ToByte(sig_index)}); |
| ExpectValidates(sigs.i_v(), |
| {WASM_UNREACHABLE, kExprReturnCallRef, ToByte(sig_index)}); |
| |
| ExpectValidates(sigs.v_v(), |
| {WASM_UNREACHABLE, WASM_GC_OP(kExprStructNew), |
| ToByte(struct_index), kExprCallFunction, struct_consumer}); |
| ExpectValidates(sigs.v_v(), |
| {WASM_UNREACHABLE, WASM_I64V(42), WASM_GC_OP(kExprStructNew), |
| ToByte(struct_index), kExprCallFunction, struct_consumer}); |
| ExpectValidates(sigs.v_v(), |
| {WASM_UNREACHABLE, WASM_GC_OP(kExprStructNewDefault), |
| ToByte(struct_index), kExprDrop}); |
| ExpectValidates(sigs.v_v(), |
| {WASM_UNREACHABLE, WASM_GC_OP(kExprStructNewDefault), |
| ToByte(struct_index), kExprCallFunction, struct_consumer}); |
| |
| ExpectValidates(sigs.v_v(), {WASM_UNREACHABLE, WASM_GC_OP(kExprArrayNew), |
| ToByte(array_index), kExprDrop}); |
| ExpectValidates(sigs.v_v(), |
| {WASM_UNREACHABLE, WASM_I32V(42), WASM_GC_OP(kExprArrayNew), |
| ToByte(array_index), kExprDrop}); |
| ExpectValidates(sigs.v_v(), |
| {WASM_UNREACHABLE, WASM_GC_OP(kExprArrayNewDefault), |
| ToByte(array_index), kExprDrop}); |
| |
| ExpectValidates(sigs.i_v(), {WASM_UNREACHABLE, WASM_GC_OP(kExprRefTest), |
| ToByte(struct_index)}); |
| ExpectValidates(sigs.i_v(), |
| {WASM_UNREACHABLE, WASM_GC_OP(kExprRefTest), kEqRefCode}); |
| |
| ExpectValidates(sigs.v_v(), {WASM_UNREACHABLE, WASM_GC_OP(kExprRefCast), |
| ToByte(struct_index), kExprDrop}); |
| |
| ExpectValidates(sigs.v_v(), {WASM_UNREACHABLE, kExprBrOnNull, 0, WASM_DROP}); |
| |
| ExpectValidates(&sig_v_s, {WASM_UNREACHABLE, WASM_LOCAL_GET(0), kExprBrOnNull, |
| 0, kExprCallFunction, struct_consumer}); |
| |
| ExpectValidates( |
| FunctionSig::Build(zone(), {struct_type}, {}), |
| {WASM_UNREACHABLE, WASM_GC_OP(kExprRefCast), ToByte(struct_index)}); |
| |
| ExpectValidates(FunctionSig::Build(zone(), {kWasmStructRef}, {}), |
| {WASM_UNREACHABLE, WASM_GC_OP(kExprRefCast), kStructRefCode}); |
| |
| ExpectValidates(FunctionSig::Build(zone(), {}, {struct_type_null}), |
| {WASM_UNREACHABLE, WASM_LOCAL_GET(0), kExprBrOnNull, 0, |
| kExprCallFunction, struct_consumer}); |
| |
| ExpectFailure( |
| sigs.v_v(), {WASM_UNREACHABLE, WASM_I32V(42), kExprBrOnNull, 0}, |
| kAppendEnd, |
| "br_on_null[0] expected object reference, found i32.const of type i32"); |
| |
| // This tests for a bug where {TypeCheckStackAgainstMerge} did not insert |
| // unreachable values into the stack correctly. |
| ExpectValidates(FunctionSig::Build(zone(), {kWasmI32}, {struct_type_null}), |
| {WASM_BLOCK_R(struct_type_null, kExprUnreachable, // -- |
| kExprLocalGet, 0, kExprRefAsNonNull, // -- |
| kExprLocalGet, 0, kExprBrOnNull, 0, // -- |
| kExprCallFunction, struct_consumer2, // -- |
| kExprBr, 1), |
| kExprDrop, WASM_I32V(1)}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, If1) { |
| ExpectValidates(sigs.i_i(), {WASM_IF_ELSE_I(WASM_LOCAL_GET(0), WASM_I32V_1(9), |
| WASM_I32V_1(8))}); |
| ExpectValidates(sigs.i_i(), {WASM_IF_ELSE_I(WASM_LOCAL_GET(0), WASM_I32V_1(9), |
| WASM_LOCAL_GET(0))}); |
| ExpectValidates( |
| sigs.i_i(), |
| {WASM_IF_ELSE_I(WASM_LOCAL_GET(0), WASM_LOCAL_GET(0), WASM_I32V_1(8))}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, If_off_end) { |
| static const uint8_t kCode[] = { |
| WASM_IF_ELSE(WASM_LOCAL_GET(0), WASM_LOCAL_GET(0), WASM_LOCAL_GET(0))}; |
| for (size_t len = 3; len < arraysize(kCode); len++) { |
| ExpectFailure(sigs.i_i(), base::VectorOf(kCode, len), kAppendEnd); |
| ExpectFailure(sigs.i_i(), base::VectorOf(kCode, len), kOmitEnd); |
| } |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, If_type1) { |
| // float|double ? 1 : 2 |
| static const uint8_t kCode[] = { |
| WASM_IF_ELSE_I(WASM_LOCAL_GET(0), WASM_I32V_1(0), WASM_I32V_1(2))}; |
| ExpectValidates(sigs.i_i(), kCode); |
| ExpectFailure(sigs.i_f(), kCode); |
| ExpectFailure(sigs.i_d(), kCode); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, If_type2) { |
| // 1 ? float|double : 2 |
| static const uint8_t kCode[] = { |
| WASM_IF_ELSE_I(WASM_I32V_1(1), WASM_LOCAL_GET(0), WASM_I32V_1(1))}; |
| ExpectValidates(sigs.i_i(), kCode); |
| ExpectFailure(sigs.i_f(), kCode); |
| ExpectFailure(sigs.i_d(), kCode); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, If_type3) { |
| // stmt ? 0 : 1 |
| static const uint8_t kCode[] = { |
| WASM_IF_ELSE_I(WASM_NOP, WASM_I32V_1(0), WASM_I32V_1(1))}; |
| ExpectFailure(sigs.i_i(), kCode); |
| ExpectFailure(sigs.i_f(), kCode); |
| ExpectFailure(sigs.i_d(), kCode); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, If_type4) { |
| // 0 ? stmt : 1 |
| static const uint8_t kCode[] = { |
| WASM_IF_ELSE_I(WASM_LOCAL_GET(0), WASM_NOP, WASM_I32V_1(1))}; |
| ExpectFailure(sigs.i_i(), kCode); |
| ExpectFailure(sigs.i_f(), kCode); |
| ExpectFailure(sigs.i_d(), kCode); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, If_type5) { |
| // 0 ? 1 : stmt |
| static const uint8_t kCode[] = { |
| WASM_IF_ELSE_I(WASM_ZERO, WASM_I32V_1(1), WASM_NOP)}; |
| ExpectFailure(sigs.i_i(), kCode); |
| ExpectFailure(sigs.i_f(), kCode); |
| ExpectFailure(sigs.i_d(), kCode); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, Int64Local_param) { |
| ExpectValidates(sigs.l_l(), kCodeGetLocal0); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, Int64Locals) { |
| for (uint8_t i = 1; i < 8; i++) { |
| AddLocals(kWasmI64, 1); |
| for (uint8_t j = 0; j < i; j++) { |
| ExpectValidates(sigs.l_v(), {WASM_LOCAL_GET(j)}); |
| } |
| } |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, Int32Binops) { |
| TestBinop(kExprI32Add, sigs.i_ii()); |
| TestBinop(kExprI32Sub, sigs.i_ii()); |
| TestBinop(kExprI32Mul, sigs.i_ii()); |
| TestBinop(kExprI32DivS, sigs.i_ii()); |
| TestBinop(kExprI32DivU, sigs.i_ii()); |
| TestBinop(kExprI32RemS, sigs.i_ii()); |
| TestBinop(kExprI32RemU, sigs.i_ii()); |
| TestBinop(kExprI32And, sigs.i_ii()); |
| TestBinop(kExprI32Ior, sigs.i_ii()); |
| TestBinop(kExprI32Xor, sigs.i_ii()); |
| TestBinop(kExprI32Shl, sigs.i_ii()); |
| TestBinop(kExprI32ShrU, sigs.i_ii()); |
| TestBinop(kExprI32ShrS, sigs.i_ii()); |
| TestBinop(kExprI32Eq, sigs.i_ii()); |
| TestBinop(kExprI32LtS, sigs.i_ii()); |
| TestBinop(kExprI32LeS, sigs.i_ii()); |
| TestBinop(kExprI32LtU, sigs.i_ii()); |
| TestBinop(kExprI32LeU, sigs.i_ii()); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, DoubleBinops) { |
| TestBinop(kExprF64Add, sigs.d_dd()); |
| TestBinop(kExprF64Sub, sigs.d_dd()); |
| TestBinop(kExprF64Mul, sigs.d_dd()); |
| TestBinop(kExprF64Div, sigs.d_dd()); |
| |
| TestBinop(kExprF64Eq, sigs.i_dd()); |
| TestBinop(kExprF64Lt, sigs.i_dd()); |
| TestBinop(kExprF64Le, sigs.i_dd()); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, FloatBinops) { |
| TestBinop(kExprF32Add, sigs.f_ff()); |
| TestBinop(kExprF32Sub, sigs.f_ff()); |
| TestBinop(kExprF32Mul, sigs.f_ff()); |
| TestBinop(kExprF32Div, sigs.f_ff()); |
| |
| TestBinop(kExprF32Eq, sigs.i_ff()); |
| TestBinop(kExprF32Lt, sigs.i_ff()); |
| TestBinop(kExprF32Le, sigs.i_ff()); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, TypeConversions) { |
| TestUnop(kExprI32SConvertF32, kWasmI32, kWasmF32); |
| TestUnop(kExprI32SConvertF64, kWasmI32, kWasmF64); |
| TestUnop(kExprI32UConvertF32, kWasmI32, kWasmF32); |
| TestUnop(kExprI32UConvertF64, kWasmI32, kWasmF64); |
| TestUnop(kExprF64SConvertI32, kWasmF64, kWasmI32); |
| TestUnop(kExprF64UConvertI32, kWasmF64, kWasmI32); |
| TestUnop(kExprF64ConvertF32, kWasmF64, kWasmF32); |
| TestUnop(kExprF32SConvertI32, kWasmF32, kWasmI32); |
| TestUnop(kExprF32UConvertI32, kWasmF32, kWasmI32); |
| TestUnop(kExprF32ConvertF64, kWasmF32, kWasmF64); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, MacrosVoid) { |
| builder.AddMemory(); |
| ExpectValidates(sigs.v_i(), {WASM_LOCAL_SET(0, WASM_I32V_3(87348))}); |
| ExpectValidates( |
| sigs.v_i(), |
| {WASM_STORE_MEM(MachineType::Int32(), WASM_I32V_1(24), WASM_I32V_1(40))}); |
| ExpectValidates(sigs.v_i(), {WASM_IF(WASM_LOCAL_GET(0), WASM_NOP)}); |
| ExpectValidates(sigs.v_i(), |
| {WASM_IF_ELSE(WASM_LOCAL_GET(0), WASM_NOP, WASM_NOP)}); |
| ExpectValidates(sigs.v_v(), {WASM_NOP}); |
| ExpectValidates(sigs.v_v(), {B1(WASM_NOP)}); |
| ExpectValidates(sigs.v_v(), {WASM_LOOP(WASM_NOP)}); |
| ExpectValidates(sigs.v_v(), {WASM_LOOP(WASM_BR(0))}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, MacrosContinue) { |
| ExpectValidates(sigs.v_v(), {WASM_LOOP(WASM_CONTINUE(0))}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, MacrosVariadic) { |
| ExpectValidates(sigs.v_v(), {B2(WASM_NOP, WASM_NOP)}); |
| ExpectValidates(sigs.v_v(), {B3(WASM_NOP, WASM_NOP, WASM_NOP)}); |
| ExpectValidates(sigs.v_v(), {WASM_LOOP(WASM_NOP, WASM_NOP)}); |
| ExpectValidates(sigs.v_v(), {WASM_LOOP(WASM_NOP, WASM_NOP, WASM_NOP)}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, MacrosNestedBlocks) { |
| ExpectValidates(sigs.v_v(), {B2(WASM_NOP, B2(WASM_NOP, WASM_NOP))}); |
| ExpectValidates(sigs.v_v(), {B3(WASM_NOP, // -- |
| B2(WASM_NOP, WASM_NOP), // -- |
| B2(WASM_NOP, WASM_NOP))}); // -- |
| ExpectValidates(sigs.v_v(), {B1(B1(B2(WASM_NOP, WASM_NOP)))}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, MultipleReturn) { |
| static ValueType kIntTypes5[] = {kWasmI32, kWasmI32, kWasmI32, kWasmI32, |
| kWasmI32}; |
| FunctionSig sig_ii_v(2, 0, kIntTypes5); |
| ExpectValidates(&sig_ii_v, {WASM_RETURN(WASM_ZERO, WASM_ONE)}); |
| ExpectFailure(&sig_ii_v, {WASM_RETURN(WASM_ZERO)}); |
| |
| FunctionSig sig_iii_v(3, 0, kIntTypes5); |
| ExpectValidates(&sig_iii_v, |
| {WASM_RETURN(WASM_ZERO, WASM_ONE, WASM_I32V_1(44))}); |
| ExpectFailure(&sig_iii_v, {WASM_RETURN(WASM_ZERO, WASM_ONE)}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, MultipleReturn_fallthru) { |
| static ValueType kIntTypes5[] = {kWasmI32, kWasmI32, kWasmI32, kWasmI32, |
| kWasmI32}; |
| FunctionSig sig_ii_v(2, 0, kIntTypes5); |
| |
| ExpectValidates(&sig_ii_v, {WASM_ZERO, WASM_ONE}); |
| ExpectFailure(&sig_ii_v, {WASM_ZERO}); |
| |
| FunctionSig sig_iii_v(3, 0, kIntTypes5); |
| ExpectValidates(&sig_iii_v, {WASM_ZERO, WASM_ONE, WASM_I32V_1(44)}); |
| ExpectFailure(&sig_iii_v, {WASM_ZERO, WASM_ONE}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, MacrosInt32) { |
| ExpectValidates(sigs.i_i(), |
| {WASM_I32_ADD(WASM_LOCAL_GET(0), WASM_I32V_1(12))}); |
| ExpectValidates(sigs.i_i(), |
| {WASM_I32_SUB(WASM_LOCAL_GET(0), WASM_I32V_1(13))}); |
| ExpectValidates(sigs.i_i(), |
| {WASM_I32_MUL(WASM_LOCAL_GET(0), WASM_I32V_1(14))}); |
| ExpectValidates(sigs.i_i(), |
| {WASM_I32_DIVS(WASM_LOCAL_GET(0), WASM_I32V_1(15))}); |
| ExpectValidates(sigs.i_i(), |
| {WASM_I32_DIVU(WASM_LOCAL_GET(0), WASM_I32V_1(16))}); |
| ExpectValidates(sigs.i_i(), |
| {WASM_I32_REMS(WASM_LOCAL_GET(0), WASM_I32V_1(17))}); |
| ExpectValidates(sigs.i_i(), |
| {WASM_I32_REMU(WASM_LOCAL_GET(0), WASM_I32V_1(18))}); |
| ExpectValidates(sigs.i_i(), |
| {WASM_I32_AND(WASM_LOCAL_GET(0), WASM_I32V_1(19))}); |
| ExpectValidates(sigs.i_i(), |
| {WASM_I32_IOR(WASM_LOCAL_GET(0), WASM_I32V_1(20))}); |
| ExpectValidates(sigs.i_i(), |
| {WASM_I32_XOR(WASM_LOCAL_GET(0), WASM_I32V_1(21))}); |
| ExpectValidates(sigs.i_i(), |
| {WASM_I32_SHL(WASM_LOCAL_GET(0), WASM_I32V_1(22))}); |
| ExpectValidates(sigs.i_i(), |
| {WASM_I32_SHR(WASM_LOCAL_GET(0), WASM_I32V_1(23))}); |
| ExpectValidates(sigs.i_i(), |
| {WASM_I32_SAR(WASM_LOCAL_GET(0), WASM_I32V_1(24))}); |
| ExpectValidates(sigs.i_i(), |
| {WASM_I32_ROR(WASM_LOCAL_GET(0), WASM_I32V_1(24))}); |
| ExpectValidates(sigs.i_i(), |
| {WASM_I32_ROL(WASM_LOCAL_GET(0), WASM_I32V_1(24))}); |
| ExpectValidates(sigs.i_i(), |
| {WASM_I32_EQ(WASM_LOCAL_GET(0), WASM_I32V_1(25))}); |
| ExpectValidates(sigs.i_i(), |
| {WASM_I32_NE(WASM_LOCAL_GET(0), WASM_I32V_1(25))}); |
| |
| ExpectValidates(sigs.i_i(), |
| {WASM_I32_LTS(WASM_LOCAL_GET(0), WASM_I32V_1(26))}); |
| ExpectValidates(sigs.i_i(), |
| {WASM_I32_LES(WASM_LOCAL_GET(0), WASM_I32V_1(27))}); |
| ExpectValidates(sigs.i_i(), |
| {WASM_I32_LTU(WASM_LOCAL_GET(0), WASM_I32V_1(28))}); |
| ExpectValidates(sigs.i_i(), |
| {WASM_I32_LEU(WASM_LOCAL_GET(0), WASM_I32V_1(29))}); |
| |
| ExpectValidates(sigs.i_i(), |
| {WASM_I32_GTS(WASM_LOCAL_GET(0), WASM_I32V_1(26))}); |
| ExpectValidates(sigs.i_i(), |
| {WASM_I32_GES(WASM_LOCAL_GET(0), WASM_I32V_1(27))}); |
| ExpectValidates(sigs.i_i(), |
| {WASM_I32_GTU(WASM_LOCAL_GET(0), WASM_I32V_1(28))}); |
| ExpectValidates(sigs.i_i(), |
| {WASM_I32_GEU(WASM_LOCAL_GET(0), WASM_I32V_1(29))}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, MacrosInt64) { |
| ExpectValidates(sigs.l_ll(), |
| {WASM_I64_ADD(WASM_LOCAL_GET(0), WASM_I64V_1(12))}); |
| ExpectValidates(sigs.l_ll(), |
| {WASM_I64_SUB(WASM_LOCAL_GET(0), WASM_I64V_1(13))}); |
| ExpectValidates(sigs.l_ll(), |
| {WASM_I64_MUL(WASM_LOCAL_GET(0), WASM_I64V_1(14))}); |
| ExpectValidates(sigs.l_ll(), |
| {WASM_I64_DIVS(WASM_LOCAL_GET(0), WASM_I64V_1(15))}); |
| ExpectValidates(sigs.l_ll(), |
| {WASM_I64_DIVU(WASM_LOCAL_GET(0), WASM_I64V_1(16))}); |
| ExpectValidates(sigs.l_ll(), |
| {WASM_I64_REMS(WASM_LOCAL_GET(0), WASM_I64V_1(17))}); |
| ExpectValidates(sigs.l_ll(), |
| {WASM_I64_REMU(WASM_LOCAL_GET(0), WASM_I64V_1(18))}); |
| ExpectValidates(sigs.l_ll(), |
| {WASM_I64_AND(WASM_LOCAL_GET(0), WASM_I64V_1(19))}); |
| ExpectValidates(sigs.l_ll(), |
| {WASM_I64_IOR(WASM_LOCAL_GET(0), WASM_I64V_1(20))}); |
| ExpectValidates(sigs.l_ll(), |
| {WASM_I64_XOR(WASM_LOCAL_GET(0), WASM_I64V_1(21))}); |
| |
| ExpectValidates(sigs.l_ll(), |
| {WASM_I64_SHL(WASM_LOCAL_GET(0), WASM_I64V_1(22))}); |
| ExpectValidates(sigs.l_ll(), |
| {WASM_I64_SHR(WASM_LOCAL_GET(0), WASM_I64V_1(23))}); |
| ExpectValidates(sigs.l_ll(), |
| {WASM_I64_SAR(WASM_LOCAL_GET(0), WASM_I64V_1(24))}); |
| ExpectValidates(sigs.l_ll(), |
| {WASM_I64_ROR(WASM_LOCAL_GET(0), WASM_I64V_1(24))}); |
| ExpectValidates(sigs.l_ll(), |
| {WASM_I64_ROL(WASM_LOCAL_GET(0), WASM_I64V_1(24))}); |
| |
| ExpectValidates(sigs.i_ll(), |
| {WASM_I64_LTS(WASM_LOCAL_GET(0), WASM_I64V_1(26))}); |
| ExpectValidates(sigs.i_ll(), |
| {WASM_I64_LES(WASM_LOCAL_GET(0), WASM_I64V_1(27))}); |
| ExpectValidates(sigs.i_ll(), |
| {WASM_I64_LTU(WASM_LOCAL_GET(0), WASM_I64V_1(28))}); |
| ExpectValidates(sigs.i_ll(), |
| {WASM_I64_LEU(WASM_LOCAL_GET(0), WASM_I64V_1(29))}); |
| |
| ExpectValidates(sigs.i_ll(), |
| {WASM_I64_GTS(WASM_LOCAL_GET(0), WASM_I64V_1(26))}); |
| ExpectValidates(sigs.i_ll(), |
| {WASM_I64_GES(WASM_LOCAL_GET(0), WASM_I64V_1(27))}); |
| ExpectValidates(sigs.i_ll(), |
| {WASM_I64_GTU(WASM_LOCAL_GET(0), WASM_I64V_1(28))}); |
| ExpectValidates(sigs.i_ll(), |
| {WASM_I64_GEU(WASM_LOCAL_GET(0), WASM_I64V_1(29))}); |
| |
| ExpectValidates(sigs.i_ll(), |
| {WASM_I64_EQ(WASM_LOCAL_GET(0), WASM_I64V_1(25))}); |
| ExpectValidates(sigs.i_ll(), |
| {WASM_I64_NE(WASM_LOCAL_GET(0), WASM_I64V_1(25))}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, AllSimpleExpressions) { |
| // Test all simple expressions which are described by a signature. |
| #define DECODE_TEST(name, opcode, sig, ...) \ |
| { \ |
| const FunctionSig* sig = WasmOpcodes::Signature(kExpr##name); \ |
| if (sig->parameter_count() == 1) { \ |
| TestUnop(kExpr##name, sig); \ |
| } else { \ |
| TestBinop(kExpr##name, sig); \ |
| } \ |
| } |
| |
| FOREACH_SIMPLE_OPCODE(DECODE_TEST); |
| |
| #undef DECODE_TEST |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, MemorySize) { |
| builder.AddMemory(); |
| uint8_t code[] = {kExprMemorySize, 0}; |
| ExpectValidates(sigs.i_i(), code); |
| ExpectFailure(sigs.f_ff(), code); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, LoadMemOffset) { |
| builder.AddMemory(); |
| for (int offset = 0; offset < 128; offset += 7) { |
| uint8_t code[] = {kExprI32Const, 0, kExprI32LoadMem, ZERO_ALIGNMENT, |
| static_cast<uint8_t>(offset)}; |
| ExpectValidates(sigs.i_i(), code); |
| } |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, LoadMemAlignment) { |
| builder.AddMemory(); |
| struct { |
| WasmOpcode instruction; |
| uint32_t maximum_aligment; |
| } values[] = { |
| {kExprI32LoadMem8U, 0}, // -- |
| {kExprI32LoadMem8S, 0}, // -- |
| {kExprI32LoadMem16U, 1}, // -- |
| {kExprI32LoadMem16S, 1}, // -- |
| {kExprI64LoadMem8U, 0}, // -- |
| {kExprI64LoadMem8S, 0}, // -- |
| {kExprI64LoadMem16U, 1}, // -- |
| {kExprI64LoadMem16S, 1}, // -- |
| {kExprI64LoadMem32U, 2}, // -- |
| {kExprI64LoadMem32S, 2}, // -- |
| {kExprI32LoadMem, 2}, // -- |
| {kExprI64LoadMem, 3}, // -- |
| {kExprF32LoadMem, 2}, // -- |
| {kExprF64LoadMem, 3}, // -- |
| }; |
| |
| for (size_t i = 0; i < arraysize(values); i++) { |
| for (uint8_t alignment = 0; alignment <= 4; alignment++) { |
| uint8_t code[] = {WASM_ZERO, static_cast<uint8_t>(values[i].instruction), |
| alignment, ZERO_OFFSET, WASM_DROP}; |
| Validate(alignment <= values[i].maximum_aligment, sigs.v_i(), code); |
| } |
| } |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, StoreMemOffset) { |
| builder.AddMemory(); |
| for (uint8_t offset = 0; offset < 128; offset += 7) { |
| uint8_t code[] = {WASM_STORE_MEM_OFFSET(MachineType::Int32(), offset, |
| WASM_ZERO, WASM_ZERO)}; |
| ExpectValidates(sigs.v_i(), code); |
| } |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, StoreMemOffset_void) { |
| builder.AddMemory(); |
| ExpectFailure(sigs.i_i(), {WASM_STORE_MEM_OFFSET(MachineType::Int32(), 0, |
| WASM_ZERO, WASM_ZERO)}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, LoadMemOffset_varint) { |
| builder.AddMemory(); |
| ExpectValidates(sigs.i_i(), |
| {WASM_ZERO, kExprI32LoadMem, ZERO_ALIGNMENT, U32V_1(0x45)}); |
| ExpectValidates(sigs.i_i(), |
| {WASM_ZERO, kExprI32LoadMem, ZERO_ALIGNMENT, U32V_2(0x3999)}); |
| ExpectValidates(sigs.i_i(), {WASM_ZERO, kExprI32LoadMem, ZERO_ALIGNMENT, |
| U32V_3(0x344445)}); |
| ExpectValidates(sigs.i_i(), {WASM_ZERO, kExprI32LoadMem, ZERO_ALIGNMENT, |
| U32V_4(0x36666667)}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, StoreMemOffset_varint) { |
| builder.AddMemory(); |
| ExpectValidates(sigs.v_i(), {WASM_ZERO, WASM_ZERO, kExprI32StoreMem, |
| ZERO_ALIGNMENT, U32V_1(0x33)}); |
| ExpectValidates(sigs.v_i(), {WASM_ZERO, WASM_ZERO, kExprI32StoreMem, |
| ZERO_ALIGNMENT, U32V_2(0x1111)}); |
| ExpectValidates(sigs.v_i(), {WASM_ZERO, WASM_ZERO, kExprI32StoreMem, |
| ZERO_ALIGNMENT, U32V_3(0x222222)}); |
| ExpectValidates(sigs.v_i(), {WASM_ZERO, WASM_ZERO, kExprI32StoreMem, |
| ZERO_ALIGNMENT, U32V_4(0x44444444)}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, AllLoadMemCombinations) { |
| builder.AddMemory(); |
| for (size_t i = 0; i < arraysize(kValueTypes); i++) { |
| ValueType local_type = kValueTypes[i]; |
| for (size_t j = 0; j < arraysize(machineTypes); j++) { |
| MachineType mem_type = machineTypes[j]; |
| uint8_t code[] = {WASM_LOAD_MEM(mem_type, WASM_ZERO)}; |
| FunctionSig sig(1, 0, &local_type); |
| Validate(local_type == ValueType::For(mem_type), &sig, code); |
| } |
| } |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, AllStoreMemCombinations) { |
| builder.AddMemory(); |
| for (size_t i = 0; i < arraysize(kValueTypes); i++) { |
| ValueType local_type = kValueTypes[i]; |
| for (size_t j = 0; j < arraysize(machineTypes); j++) { |
| MachineType mem_type = machineTypes[j]; |
| uint8_t code[] = {WASM_STORE_MEM(mem_type, WASM_ZERO, WASM_LOCAL_GET(0))}; |
| FunctionSig sig(0, 1, &local_type); |
| Validate(local_type == ValueType::For(mem_type), &sig, code); |
| } |
| } |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, SimpleCalls) { |
| const FunctionSig* sig = sigs.i_i(); |
| |
| builder.AddFunction(sigs.i_v()); |
| builder.AddFunction(sigs.i_i()); |
| builder.AddFunction(sigs.i_ii()); |
| |
| ExpectValidates(sig, {WASM_CALL_FUNCTION0(0)}); |
| ExpectValidates(sig, {WASM_CALL_FUNCTION(1, WASM_I32V_1(27))}); |
| ExpectValidates(sig, |
| {WASM_CALL_FUNCTION(2, WASM_I32V_1(37), WASM_I32V_2(77))}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, CallsWithTooFewArguments) { |
| const FunctionSig* sig = sigs.i_i(); |
| |
| builder.AddFunction(sigs.i_i()); |
| builder.AddFunction(sigs.i_ii()); |
| builder.AddFunction(sigs.f_ff()); |
| |
| ExpectFailure(sig, {WASM_CALL_FUNCTION0(0)}); |
| ExpectFailure(sig, {WASM_CALL_FUNCTION(1, WASM_ZERO)}); |
| ExpectFailure(sig, {WASM_CALL_FUNCTION(2, WASM_LOCAL_GET(0))}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, CallsWithMismatchedSigs2) { |
| const FunctionSig* sig = sigs.i_i(); |
| |
| builder.AddFunction(sigs.i_i()); |
| |
| ExpectFailure(sig, {WASM_CALL_FUNCTION(0, WASM_I64V_1(17))}); |
| ExpectFailure(sig, {WASM_CALL_FUNCTION(0, WASM_F32(17.1))}); |
| ExpectFailure(sig, {WASM_CALL_FUNCTION(0, WASM_F64(17.1))}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, CallsWithMismatchedSigs3) { |
| const FunctionSig* sig = sigs.i_i(); |
| |
| builder.AddFunction(sigs.i_f()); |
| |
| ExpectFailure(sig, {WASM_CALL_FUNCTION(0, WASM_I32V_1(17))}); |
| ExpectFailure(sig, {WASM_CALL_FUNCTION(0, WASM_I64V_1(27))}); |
| ExpectFailure(sig, {WASM_CALL_FUNCTION(0, WASM_F64(37.2))}); |
| |
| builder.AddFunction(sigs.i_d()); |
| |
| ExpectFailure(sig, {WASM_CALL_FUNCTION(1, WASM_I32V_1(16))}); |
| ExpectFailure(sig, {WASM_CALL_FUNCTION(1, WASM_I64V_1(16))}); |
| ExpectFailure(sig, {WASM_CALL_FUNCTION(1, WASM_F32(17.6))}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, SimpleReturnCalls) { |
| const FunctionSig* sig = sigs.i_i(); |
| |
| builder.AddFunction(sigs.i_v()); |
| builder.AddFunction(sigs.i_i()); |
| builder.AddFunction(sigs.i_ii()); |
| |
| ExpectValidates(sig, {WASM_RETURN_CALL_FUNCTION0(0)}); |
| ExpectValidates(sig, {WASM_RETURN_CALL_FUNCTION(1, WASM_I32V_1(27))}); |
| ExpectValidates( |
| sig, {WASM_RETURN_CALL_FUNCTION(2, WASM_I32V_1(37), WASM_I32V_2(77))}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, ReturnCallsWithTooFewArguments) { |
| const FunctionSig* sig = sigs.i_i(); |
| |
| builder.AddFunction(sigs.i_i()); |
| builder.AddFunction(sigs.i_ii()); |
| builder.AddFunction(sigs.f_ff()); |
| |
| ExpectFailure(sig, {WASM_RETURN_CALL_FUNCTION0(0)}); |
| ExpectFailure(sig, {WASM_RETURN_CALL_FUNCTION(1, WASM_ZERO)}); |
| ExpectFailure(sig, {WASM_RETURN_CALL_FUNCTION(2, WASM_LOCAL_GET(0))}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, ReturnCallWithSubtype) { |
| auto sig = MakeSig::Returns(kWasmAnyRef); |
| auto callee_sig = MakeSig::Returns(kWasmAnyRef.AsNonNull()); |
| builder.AddFunction(&callee_sig); |
| |
| ExpectValidates(&sig, {WASM_RETURN_CALL_FUNCTION0(0)}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, ReturnCallsWithMismatchedSigs) { |
| const FunctionSig* sig = sigs.i_i(); |
| |
| builder.AddFunction(sigs.i_f()); |
| builder.AddFunction(sigs.f_f()); |
| |
| ExpectFailure(sig, {WASM_RETURN_CALL_FUNCTION(0, WASM_I32V_1(17))}); |
| ExpectFailure(sig, {WASM_RETURN_CALL_FUNCTION(0, WASM_I64V_1(27))}); |
| ExpectFailure(sig, {WASM_RETURN_CALL_FUNCTION(0, WASM_F64(37.2))}); |
| |
| ExpectFailure(sig, {WASM_RETURN_CALL_FUNCTION(1, WASM_F64(37.2))}); |
| ExpectFailure(sig, {WASM_RETURN_CALL_FUNCTION(1, WASM_F32(37.2))}); |
| ExpectFailure(sig, {WASM_RETURN_CALL_FUNCTION(1, WASM_I32V_1(17))}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, SimpleIndirectReturnCalls) { |
| const FunctionSig* sig = sigs.i_i(); |
| builder.AddTable(kWasmFuncRef, 20, true, 30); |
| |
| ModuleTypeIndex sig0 = builder.AddSignature(sigs.i_v()); |
| ModuleTypeIndex sig1 = builder.AddSignature(sigs.i_i()); |
| ModuleTypeIndex sig2 = builder.AddSignature(sigs.i_ii()); |
| |
| ExpectValidates(sig, {WASM_RETURN_CALL_INDIRECT(sig0, WASM_ZERO)}); |
| ExpectValidates( |
| sig, {WASM_RETURN_CALL_INDIRECT(sig1, WASM_I32V_1(22), WASM_ZERO)}); |
| ExpectValidates(sig, {WASM_RETURN_CALL_INDIRECT(sig2, WASM_I32V_1(32), |
| WASM_I32V_2(72), WASM_ZERO)}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, IndirectReturnCallsOutOfBounds) { |
| const FunctionSig* sig = sigs.i_i(); |
| builder.AddTable(kWasmFuncRef, 20, false, 20); |
| |
| ExpectFailure(sig, {WASM_RETURN_CALL_INDIRECT(0, WASM_ZERO)}); |
| builder.AddSignature(sigs.i_v()); |
| ExpectValidates(sig, {WASM_RETURN_CALL_INDIRECT(0, WASM_ZERO)}); |
| |
| ExpectFailure(sig, |
| {WASM_RETURN_CALL_INDIRECT(1, WASM_I32V_1(22), WASM_ZERO)}); |
| builder.AddSignature(sigs.i_i()); |
| ExpectValidates(sig, |
| {WASM_RETURN_CALL_INDIRECT(1, WASM_I32V_1(27), WASM_ZERO)}); |
| |
| ExpectFailure(sig, |
| {WASM_RETURN_CALL_INDIRECT(2, WASM_I32V_1(27), WASM_ZERO)}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, IndirectReturnCallsWithMismatchedSigs3) { |
| const FunctionSig* sig = sigs.i_i(); |
| builder.AddTable(wasm::kWasmVoid); |
| |
| ModuleTypeIndex sig0 = builder.AddSignature(sigs.i_f()); |
| |
| ExpectFailure(sig, |
| {WASM_RETURN_CALL_INDIRECT(sig0, WASM_I32V_1(17), WASM_ZERO)}); |
| ExpectFailure(sig, |
| {WASM_RETURN_CALL_INDIRECT(sig0, WASM_I64V_1(27), WASM_ZERO)}); |
| ExpectFailure(sig, |
| {WASM_RETURN_CALL_INDIRECT(sig0, WASM_F64(37.2), WASM_ZERO)}); |
| |
| ExpectFailure(sig, {WASM_RETURN_CALL_INDIRECT(sig0, WASM_I32V_1(17))}); |
| ExpectFailure(sig, {WASM_RETURN_CALL_INDIRECT(sig0, WASM_I64V_1(27))}); |
| ExpectFailure(sig, {WASM_RETURN_CALL_INDIRECT(sig0, WASM_F64(37.2))}); |
| |
| ModuleTypeIndex sig1 = builder.AddSignature(sigs.i_d()); |
| |
| ExpectFailure(sig, |
| {WASM_RETURN_CALL_INDIRECT(sig1, WASM_I32V_1(16), WASM_ZERO)}); |
| ExpectFailure(sig, |
| {WASM_RETURN_CALL_INDIRECT(sig1, WASM_I64V_1(16), WASM_ZERO)}); |
| ExpectFailure(sig, |
| {WASM_RETURN_CALL_INDIRECT(sig1, WASM_F32(17.6), WASM_ZERO)}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, IndirectReturnCallsWithoutTableCrash) { |
| const FunctionSig* sig = sigs.i_i(); |
| |
| ModuleTypeIndex sig0 = builder.AddSignature(sigs.i_v()); |
| ModuleTypeIndex sig1 = builder.AddSignature(sigs.i_i()); |
| ModuleTypeIndex sig2 = builder.AddSignature(sigs.i_ii()); |
| |
| ExpectFailure(sig, {WASM_RETURN_CALL_INDIRECT(sig0, WASM_ZERO)}); |
| ExpectFailure(sig, |
| {WASM_RETURN_CALL_INDIRECT(sig1, WASM_I32V_1(22), WASM_ZERO)}); |
| ExpectFailure(sig, {WASM_RETURN_CALL_INDIRECT(sig2, WASM_I32V_1(32), |
| WASM_I32V_2(72), WASM_ZERO)}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, IncompleteIndirectReturnCall) { |
| const FunctionSig* sig = sigs.i_i(); |
| builder.AddTable(wasm::kWasmVoid); |
| |
| static uint8_t code[] = {kExprReturnCallIndirect}; |
| ExpectFailure(sig, base::ArrayVector(code), kOmitEnd); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, MultiReturn) { |
| ValueType storage[] = {kWasmI32, kWasmI32}; |
| FunctionSig sig_ii_v(2, 0, storage); |
| FunctionSig sig_v_ii(0, 2, storage); |
| |
| builder.AddFunction(&sig_v_ii); |
| builder.AddFunction(&sig_ii_v); |
| |
| ExpectValidates(&sig_ii_v, {WASM_CALL_FUNCTION0(1)}); |
| ExpectValidates(sigs.v_v(), {WASM_CALL_FUNCTION0(1), WASM_DROP, WASM_DROP}); |
| ExpectValidates(sigs.v_v(), {WASM_CALL_FUNCTION0(1), kExprCallFunction, 0}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, MultiReturnType) { |
| for (size_t a = 0; a < arraysize(kValueTypes); a++) { |
| for (size_t b = 0; b < arraysize(kValueTypes); b++) { |
| for (size_t c = 0; c < arraysize(kValueTypes); c++) { |
| for (size_t d = 0; d < arraysize(kValueTypes); d++) { |
| ValueType storage_ab[] = {kValueTypes[a], kValueTypes[b]}; |
| FunctionSig sig_ab_v(2, 0, storage_ab); |
| ValueType storage_cd[] = {kValueTypes[c], kValueTypes[d]}; |
| FunctionSig sig_cd_v(2, 0, storage_cd); |
| |
| TestModuleBuilder builder; |
| module = builder.module(); |
| builder.AddFunction(&sig_cd_v); |
| |
| ExpectValidates(&sig_cd_v, {WASM_CALL_FUNCTION0(0)}); |
| |
| if (IsSubtypeOf(kValueTypes[c], kValueTypes[a], module) && |
| IsSubtypeOf(kValueTypes[d], kValueTypes[b], module)) { |
| ExpectValidates(&sig_ab_v, {WASM_CALL_FUNCTION0(0)}); |
| } else { |
| ExpectFailure(&sig_ab_v, {WASM_CALL_FUNCTION0(0)}); |
| } |
| } |
| } |
| } |
| } |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, SimpleIndirectCalls) { |
| const FunctionSig* sig = sigs.i_i(); |
| builder.AddTable(kWasmFuncRef, 20, false, 20); |
| |
| ModuleTypeIndex sig0 = builder.AddSignature(sigs.i_v()); |
| ModuleTypeIndex sig1 = builder.AddSignature(sigs.i_i()); |
| ModuleTypeIndex sig2 = builder.AddSignature(sigs.i_ii()); |
| |
| ExpectValidates(sig, {WASM_CALL_INDIRECT(sig0, WASM_ZERO)}); |
| ExpectValidates(sig, {WASM_CALL_INDIRECT(sig1, WASM_I32V_1(22), WASM_ZERO)}); |
| ExpectValidates(sig, {WASM_CALL_INDIRECT(sig2, WASM_I32V_1(32), |
| WASM_I32V_2(72), WASM_ZERO)}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, IndirectCallsOutOfBounds) { |
| const FunctionSig* sig = sigs.i_i(); |
| builder.AddTable(kWasmFuncRef, 20, false, 20); |
| |
| ExpectFailure(sig, {WASM_CALL_INDIRECT(0, WASM_ZERO)}); |
| builder.AddSignature(sigs.i_v()); |
| ExpectValidates(sig, {WASM_CALL_INDIRECT(0, WASM_ZERO)}); |
| |
| ExpectFailure(sig, {WASM_CALL_INDIRECT(1, WASM_I32V_1(22), WASM_ZERO)}); |
| builder.AddSignature(sigs.i_i()); |
| ExpectValidates(sig, {WASM_CALL_INDIRECT(1, WASM_I32V_1(27), WASM_ZERO)}); |
| |
| ExpectFailure(sig, {WASM_CALL_INDIRECT(2, WASM_I32V_1(27), WASM_ZERO)}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, IndirectCallsWithMismatchedSigs1) { |
| const FunctionSig* sig = sigs.i_i(); |
| builder.AddTable(wasm::kWasmVoid); |
| |
| ModuleTypeIndex sig0 = builder.AddSignature(sigs.i_f()); |
| |
| ExpectFailure(sig, {WASM_CALL_INDIRECT(sig0, WASM_I32V_1(17), WASM_ZERO)}); |
| ExpectFailure(sig, {WASM_CALL_INDIRECT(sig0, WASM_I64V_1(27), WASM_ZERO)}); |
| ExpectFailure(sig, {WASM_CALL_INDIRECT(sig0, WASM_F64(37.2), WASM_ZERO)}); |
| |
| ExpectFailure(sig, {WASM_CALL_INDIRECT(sig0, WASM_I32V_1(17))}); |
| ExpectFailure(sig, {WASM_CALL_INDIRECT(sig0, WASM_I64V_1(27))}); |
| ExpectFailure(sig, {WASM_CALL_INDIRECT(sig0, WASM_F64(37.2))}); |
| |
| uint8_t sig1 = builder.AddFunction(sigs.i_d()); |
| |
| ExpectFailure(sig, {WASM_CALL_INDIRECT(sig1, WASM_I32V_1(16), WASM_ZERO)}); |
| ExpectFailure(sig, {WASM_CALL_INDIRECT(sig1, WASM_I64V_1(16), WASM_ZERO)}); |
| ExpectFailure(sig, {WASM_CALL_INDIRECT(sig1, WASM_F32(17.6), WASM_ZERO)}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, IndirectCallsWithMismatchedSigs2) { |
| ModuleTypeIndex table_type_index = builder.AddSignature(sigs.i_i()); |
| uint8_t table_index = builder.AddTable(ValueType::RefNull(table_type_index)); |
| |
| ExpectValidates(sigs.i_v(), |
| {WASM_CALL_INDIRECT_TABLE(table_index, table_type_index, |
| WASM_I32V_1(42), WASM_ZERO)}); |
| |
| ModuleTypeIndex wrong_type_index = builder.AddSignature(sigs.i_ii()); |
| // Note: this would trap at runtime, but does validate. |
| ExpectValidates( |
| sigs.i_v(), |
| {WASM_CALL_INDIRECT_TABLE(table_index, wrong_type_index, WASM_I32V_1(41), |
| WASM_I32V_1(42), WASM_ZERO)}); |
| |
| uint8_t non_function_table_index = builder.AddTable(kWasmExternRef); |
| ExpectFailure( |
| sigs.i_v(), |
| {WASM_CALL_INDIRECT_TABLE(non_function_table_index, table_type_index, |
| WASM_I32V_1(42), WASM_ZERO)}, |
| kAppendEnd, |
| "call_indirect: immediate table #1 is not of a function type"); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, TablesWithFunctionSubtyping) { |
| ModuleTypeIndex empty_struct = builder.AddStruct({}); |
| ModuleTypeIndex super_struct = |
| builder.AddStruct({F(kWasmI32, true)}, empty_struct); |
| ModuleTypeIndex sub_struct = |
| builder.AddStruct({F(kWasmI32, true), F(kWasmF64, true)}, super_struct); |
| |
| ModuleTypeIndex table_supertype = builder.AddSignature( |
| FunctionSig::Build(zone(), {ValueType::RefNull(empty_struct)}, |
| {ValueType::RefNull(sub_struct)})); |
| ModuleTypeIndex table_type = builder.AddSignature( |
| FunctionSig::Build(zone(), {ValueType::RefNull(super_struct)}, |
| {ValueType::RefNull(sub_struct)}), |
| table_supertype); |
| auto function_sig = |
| FunctionSig::Build(zone(), {ValueType::RefNull(sub_struct)}, |
| {ValueType::RefNull(super_struct)}); |
| ModuleTypeIndex function_type = |
| builder.AddSignature(function_sig, table_type); |
| |
| uint8_t function = builder.AddFunction(function_type); |
| |
| uint8_t table = builder.AddTable(ValueType::RefNull(table_type)); |
| |
| // We can call-indirect from a typed function table with an immediate type |
| // that is a subtype of the table type. |
| ExpectValidates( |
| FunctionSig::Build(zone(), {ValueType::RefNull(sub_struct)}, {}), |
| {WASM_CALL_INDIRECT_TABLE(table, function_type, |
| WASM_STRUCT_NEW_DEFAULT(super_struct), |
| WASM_ZERO)}); |
| |
| // table.set's subtyping works as expected. |
| ExpectValidates(sigs.v_i(), {WASM_TABLE_SET(0, WASM_LOCAL_GET(0), |
| WASM_REF_FUNC(function))}); |
| // table.get's subtyping works as expected. |
| ExpectValidates( |
| FunctionSig::Build(zone(), {ValueType::RefNull(table_supertype)}, |
| {kWasmI32}), |
| {WASM_TABLE_GET(0, WASM_LOCAL_GET(0))}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, IndirectCallsWithoutTableCrash) { |
| const FunctionSig* sig = sigs.i_i(); |
| |
| ModuleTypeIndex sig0 = builder.AddSignature(sigs.i_v()); |
| ModuleTypeIndex sig1 = builder.AddSignature(sigs.i_i()); |
| ModuleTypeIndex sig2 = builder.AddSignature(sigs.i_ii()); |
| |
| ExpectFailure(sig, {WASM_CALL_INDIRECT(sig0, WASM_ZERO)}); |
| ExpectFailure(sig, {WASM_CALL_INDIRECT(sig1, WASM_I32V_1(22), WASM_ZERO)}); |
| ExpectFailure(sig, {WASM_CALL_INDIRECT(sig2, WASM_I32V_1(32), WASM_I32V_2(72), |
| WASM_ZERO)}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, IncompleteIndirectCall) { |
| const FunctionSig* sig = sigs.i_i(); |
| builder.AddTable(wasm::kWasmVoid); |
| |
| static uint8_t code[] = {kExprCallIndirect}; |
| ExpectFailure(sig, base::ArrayVector(code), kOmitEnd); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, IncompleteStore) { |
| const FunctionSig* sig = sigs.i_i(); |
| builder.AddMemory(); |
| builder.AddTable(wasm::kWasmVoid); |
| |
| static uint8_t code[] = {kExprI32StoreMem}; |
| ExpectFailure(sig, base::ArrayVector(code), kOmitEnd); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, IncompleteI8x16Shuffle) { |
| const FunctionSig* sig = sigs.i_i(); |
| builder.AddMemory(); |
| builder.AddTable(wasm::kWasmVoid); |
| |
| static uint8_t code[] = {kSimdPrefix, |
| static_cast<uint8_t>(kExprI8x16Shuffle & 0xff)}; |
| ExpectFailure(sig, base::ArrayVector(code), kOmitEnd); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, SimpleImportCalls) { |
| const FunctionSig* sig = sigs.i_i(); |
| |
| uint8_t f0 = builder.AddImport(sigs.i_v()); |
| uint8_t f1 = builder.AddImport(sigs.i_i()); |
| uint8_t f2 = builder.AddImport(sigs.i_ii()); |
| |
| ExpectValidates(sig, {WASM_CALL_FUNCTION0(f0)}); |
| ExpectValidates(sig, {WASM_CALL_FUNCTION(f1, WASM_I32V_1(22))}); |
| ExpectValidates(sig, |
| {WASM_CALL_FUNCTION(f2, WASM_I32V_1(32), WASM_I32V_2(72))}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, ImportCallsWithMismatchedSigs3) { |
| const FunctionSig* sig = sigs.i_i(); |
| |
| uint8_t f0 = builder.AddImport(sigs.i_f()); |
| |
| ExpectFailure(sig, {WASM_CALL_FUNCTION0(f0)}); |
| ExpectFailure(sig, {WASM_CALL_FUNCTION(f0, WASM_I32V_1(17))}); |
| ExpectFailure(sig, {WASM_CALL_FUNCTION(f0, WASM_I64V_1(27))}); |
| ExpectFailure(sig, {WASM_CALL_FUNCTION(f0, WASM_F64(37.2))}); |
| |
| uint8_t f1 = builder.AddImport(sigs.i_d()); |
| |
| ExpectFailure(sig, {WASM_CALL_FUNCTION0(f1)}); |
| ExpectFailure(sig, {WASM_CALL_FUNCTION(f1, WASM_I32V_1(16))}); |
| ExpectFailure(sig, {WASM_CALL_FUNCTION(f1, WASM_I64V_1(16))}); |
| ExpectFailure(sig, {WASM_CALL_FUNCTION(f1, WASM_F32(17.6))}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, Int32Globals) { |
| const FunctionSig* sig = sigs.i_i(); |
| |
| builder.AddGlobal(kWasmI32); |
| |
| ExpectValidates(sig, {WASM_GLOBAL_GET(0)}); |
| ExpectFailure(sig, {WASM_GLOBAL_SET(0, WASM_LOCAL_GET(0))}); |
| ExpectValidates(sig, {WASM_GLOBAL_SET(0, WASM_LOCAL_GET(0)), WASM_ZERO}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, ImmutableGlobal) { |
| const FunctionSig* sig = sigs.v_v(); |
| |
| uint32_t g0 = builder.AddGlobal(kWasmI32, true); |
| uint32_t g1 = builder.AddGlobal(kWasmI32, false); |
| |
| ExpectValidates(sig, {WASM_GLOBAL_SET(g0, WASM_ZERO)}); |
| ExpectFailure(sig, {WASM_GLOBAL_SET(g1, WASM_ZERO)}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, Int32Globals_fail) { |
| const FunctionSig* sig = sigs.i_i(); |
| |
| builder.AddGlobal(kWasmI64); |
| builder.AddGlobal(kWasmI64); |
| builder.AddGlobal(kWasmF32); |
| builder.AddGlobal(kWasmF64); |
| |
| ExpectFailure(sig, {WASM_GLOBAL_GET(0)}); |
| ExpectFailure(sig, {WASM_GLOBAL_GET(1)}); |
| ExpectFailure(sig, {WASM_GLOBAL_GET(2)}); |
| ExpectFailure(sig, {WASM_GLOBAL_GET(3)}); |
| |
| ExpectFailure(sig, {WASM_GLOBAL_SET(0, WASM_LOCAL_GET(0)), WASM_ZERO}); |
| ExpectFailure(sig, {WASM_GLOBAL_SET(1, WASM_LOCAL_GET(0)), WASM_ZERO}); |
| ExpectFailure(sig, {WASM_GLOBAL_SET(2, WASM_LOCAL_GET(0)), WASM_ZERO}); |
| ExpectFailure(sig, {WASM_GLOBAL_SET(3, WASM_LOCAL_GET(0)), WASM_ZERO}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, Int64Globals) { |
| const FunctionSig* sig = sigs.l_l(); |
| |
| builder.AddGlobal(kWasmI64); |
| builder.AddGlobal(kWasmI64); |
| |
| ExpectValidates(sig, {WASM_GLOBAL_GET(0)}); |
| ExpectValidates(sig, {WASM_GLOBAL_GET(1)}); |
| |
| ExpectValidates(sig, |
| {WASM_GLOBAL_SET(0, WASM_LOCAL_GET(0)), WASM_LOCAL_GET(0)}); |
| ExpectValidates(sig, |
| {WASM_GLOBAL_SET(1, WASM_LOCAL_GET(0)), WASM_LOCAL_GET(0)}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, Float32Globals) { |
| const FunctionSig* sig = sigs.f_ff(); |
| |
| builder.AddGlobal(kWasmF32); |
| |
| ExpectValidates(sig, {WASM_GLOBAL_GET(0)}); |
| ExpectValidates(sig, |
| {WASM_GLOBAL_SET(0, WASM_LOCAL_GET(0)), WASM_LOCAL_GET(0)}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, Float64Globals) { |
| const FunctionSig* sig = sigs.d_dd(); |
| |
| builder.AddGlobal(kWasmF64); |
| |
| ExpectValidates(sig, {WASM_GLOBAL_GET(0)}); |
| ExpectValidates(sig, |
| {WASM_GLOBAL_SET(0, WASM_LOCAL_GET(0)), WASM_LOCAL_GET(0)}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, NullRefGlobals) { |
| ValueType nullRefs[] = {kWasmNullRef, kWasmNullRef, kWasmNullRef}; |
| FunctionSig sig(1, 2, nullRefs); |
| builder.AddGlobal(kWasmNullRef); |
| ExpectValidates(&sig, {WASM_GLOBAL_GET(0)}); |
| ExpectValidates(&sig, |
| {WASM_GLOBAL_SET(0, WASM_LOCAL_GET(0)), WASM_LOCAL_GET(0)}); |
| ExpectValidates( |
| &sig, {WASM_GLOBAL_SET(0, WASM_REF_NULL(kNoneCode)), WASM_LOCAL_GET(0)}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, NullExternRefGlobals) { |
| ValueType nullExternRefs[] = {kWasmNullExternRef, kWasmNullExternRef, |
| kWasmNullExternRef}; |
| FunctionSig sig(1, 2, nullExternRefs); |
| builder.AddGlobal(kWasmNullExternRef); |
| ExpectValidates(&sig, {WASM_GLOBAL_GET(0)}); |
| ExpectValidates(&sig, |
| {WASM_GLOBAL_SET(0, WASM_LOCAL_GET(0)), WASM_LOCAL_GET(0)}); |
| ExpectValidates(&sig, {WASM_GLOBAL_SET(0, WASM_REF_NULL(kNoExternCode)), |
| WASM_LOCAL_GET(0)}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, NullFuncRefGlobals) { |
| ValueType nullFuncRefs[] = {kWasmNullFuncRef, kWasmNullFuncRef, |
| kWasmNullFuncRef}; |
| FunctionSig sig(1, 2, nullFuncRefs); |
| builder.AddGlobal(kWasmNullFuncRef); |
| ExpectValidates(&sig, {WASM_GLOBAL_GET(0)}); |
| ExpectValidates(&sig, |
| {WASM_GLOBAL_SET(0, WASM_LOCAL_GET(0)), WASM_LOCAL_GET(0)}); |
| ExpectValidates(&sig, {WASM_GLOBAL_SET(0, WASM_REF_NULL(kNoFuncCode)), |
| WASM_LOCAL_GET(0)}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, NullExnRefGlobals) { |
| WASM_FEATURE_SCOPE(exnref); |
| ValueType nullFuncRefs[] = {kWasmNullExnRef, kWasmNullExnRef, |
| kWasmNullExnRef}; |
| FunctionSig sig(1, 2, nullFuncRefs); |
| builder.AddGlobal(kWasmNullExnRef); |
| ExpectValidates(&sig, {WASM_GLOBAL_GET(0)}); |
| ExpectValidates(&sig, |
| {WASM_GLOBAL_SET(0, WASM_LOCAL_GET(0)), WASM_LOCAL_GET(0)}); |
| ExpectValidates( |
| &sig, {WASM_GLOBAL_SET(0, WASM_REF_NULL(kNoExnCode)), WASM_LOCAL_GET(0)}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, AllGetGlobalCombinations) { |
| for (size_t i = 0; i < arraysize(kValueTypes); i++) { |
| ValueType local_type = kValueTypes[i]; |
| for (size_t j = 0; j < arraysize(kValueTypes); j++) { |
| ValueType global_type = kValueTypes[j]; |
| FunctionSig sig(1, 0, &local_type); |
| TestModuleBuilder builder; |
| module = builder.module(); |
| builder.AddGlobal(global_type); |
| Validate(IsSubtypeOf(global_type, local_type, module), &sig, |
| {WASM_GLOBAL_GET(0)}); |
| } |
| } |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, AllSetGlobalCombinations) { |
| for (size_t i = 0; i < arraysize(kValueTypes); i++) { |
| ValueType local_type = kValueTypes[i]; |
| for (size_t j = 0; j < arraysize(kValueTypes); j++) { |
| ValueType global_type = kValueTypes[j]; |
| FunctionSig sig(0, 1, &local_type); |
| TestModuleBuilder builder; |
| module = builder.module(); |
| builder.AddGlobal(global_type); |
| Validate(IsSubtypeOf(local_type, global_type, module), &sig, |
| {WASM_GLOBAL_SET(0, WASM_LOCAL_GET(0))}); |
| } |
| } |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, TableSet) { |
| ModuleTypeIndex tab_type = builder.AddSignature(sigs.i_i()); |
| uint8_t tab_ref1 = builder.AddTable(kWasmExternRef, 10, true, 20); |
| uint8_t tab_func1 = builder.AddTable(kWasmFuncRef, 20, true, 30); |
| uint8_t tab_func2 = builder.AddTable(kWasmFuncRef, 10, false, 20); |
| uint8_t tab_ref2 = builder.AddTable(kWasmExternRef, 10, false, 20); |
| uint8_t tab_typed_func = |
| builder.AddTable(ValueType::RefNull(tab_type), 10, false, 20); |
| |
| ValueType sig_types[]{kWasmExternRef, kWasmFuncRef, kWasmI32, |
| ValueType::Ref(tab_type)}; |
| FunctionSig sig(0, 4, sig_types); |
| uint8_t local_ref = 0; |
| uint8_t local_func = 1; |
| uint8_t local_int = 2; |
| uint8_t local_typed_func = 3; |
| |
| ExpectValidates(&sig, {WASM_TABLE_SET(tab_ref1, WASM_I32V(6), |
| WASM_LOCAL_GET(local_ref))}); |
| ExpectValidates(&sig, {WASM_TABLE_SET(tab_func1, WASM_I32V(5), |
| WASM_LOCAL_GET(local_func))}); |
| ExpectValidates(&sig, {WASM_TABLE_SET(tab_func2, WASM_I32V(7), |
| WASM_LOCAL_GET(local_func))}); |
| ExpectValidates(&sig, {WASM_TABLE_SET(tab_ref2, WASM_I32V(8), |
| WASM_LOCAL_GET(local_ref))}); |
| ExpectValidates(&sig, {WASM_TABLE_SET(tab_typed_func, WASM_I32V(8), |
| WASM_LOCAL_GET(local_typed_func))}); |
| ExpectValidates(&sig, {WASM_TABLE_SET(tab_func1, WASM_I32V(8), |
| WASM_LOCAL_GET(local_typed_func))}); |
| |
| // Only values of the correct type can be set to a table. |
| ExpectFailure(&sig, {WASM_TABLE_SET(tab_ref1, WASM_I32V(4), |
| WASM_LOCAL_GET(local_func))}); |
| ExpectFailure(&sig, {WASM_TABLE_SET(tab_func1, WASM_I32V(9), |
| WASM_LOCAL_GET(local_ref))}); |
| ExpectFailure(&sig, {WASM_TABLE_SET(tab_func2, WASM_I32V(3), |
| WASM_LOCAL_GET(local_ref))}); |
| ExpectFailure(&sig, {WASM_TABLE_SET(tab_ref2, WASM_I32V(2), |
| WASM_LOCAL_GET(local_func))}); |
| ExpectFailure(&sig, {WASM_TABLE_SET(tab_ref1, WASM_I32V(9), |
| WASM_LOCAL_GET(local_int))}); |
| ExpectFailure(&sig, {WASM_TABLE_SET(tab_func1, WASM_I32V(3), |
| WASM_LOCAL_GET(local_int))}); |
| ExpectFailure(&sig, {WASM_TABLE_SET(tab_typed_func, WASM_I32V(3), |
| WASM_LOCAL_GET(local_func))}); |
| |
| // Out-of-bounds table index should fail. |
| uint8_t oob_tab = 37; |
| ExpectFailure( |
| &sig, {WASM_TABLE_SET(oob_tab, WASM_I32V(9), WASM_LOCAL_GET(local_ref))}); |
| ExpectFailure(&sig, {WASM_TABLE_SET(oob_tab, WASM_I32V(3), |
| WASM_LOCAL_GET(local_func))}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, TableGet) { |
| ModuleTypeIndex tab_type = builder.AddSignature(sigs.i_i()); |
| uint8_t tab_ref1 = builder.AddTable(kWasmExternRef, 10, true, 20); |
| uint8_t tab_func1 = builder.AddTable(kWasmFuncRef, 20, true, 30); |
| uint8_t tab_func2 = builder.AddTable(kWasmFuncRef, 10, false, 20); |
| uint8_t tab_ref2 = builder.AddTable(kWasmExternRef, 10, false, 20); |
| uint8_t tab_typed_func = |
| builder.AddTable(ValueType::RefNull(tab_type), 10, false, 20); |
| |
| ValueType sig_types[]{kWasmExternRef, kWasmFuncRef, kWasmI32, |
| ValueType::RefNull(tab_type)}; |
| FunctionSig sig(0, 4, sig_types); |
| uint8_t local_ref = 0; |
| uint8_t local_func = 1; |
| uint8_t local_int = 2; |
| uint8_t local_typed_func = 3; |
| |
| ExpectValidates( |
| &sig, |
| {WASM_LOCAL_SET(local_ref, WASM_TABLE_GET(tab_ref1, WASM_I32V(6)))}); |
| ExpectValidates( |
| &sig, |
| {WASM_LOCAL_SET(local_ref, WASM_TABLE_GET(tab_ref2, WASM_I32V(8)))}); |
| ExpectValidates( |
| &sig, |
| {WASM_LOCAL_SET(local_func, WASM_TABLE_GET(tab_func1, WASM_I32V(5)))}); |
| ExpectValidates( |
| &sig, |
| {WASM_LOCAL_SET(local_func, WASM_TABLE_GET(tab_func2, WASM_I32V(7)))}); |
| ExpectValidates( |
| &sig, {WASM_LOCAL_SET(local_ref, WASM_SEQ(WASM_I32V(6), kExprTableGet, |
| U32V_2(tab_ref1)))}); |
| ExpectValidates( |
| &sig, {WASM_LOCAL_SET(local_func, |
| WASM_TABLE_GET(tab_typed_func, WASM_I32V(7)))}); |
| ExpectValidates( |
| &sig, {WASM_LOCAL_SET(local_typed_func, |
| WASM_TABLE_GET(tab_typed_func, WASM_I32V(7)))}); |
| |
| // We cannot store references as any other type. |
| ExpectFailure(&sig, {WASM_LOCAL_SET(local_func, |
| WASM_TABLE_GET(tab_ref1, WASM_I32V(4)))}); |
| ExpectFailure(&sig, {WASM_LOCAL_SET( |
| local_ref, WASM_TABLE_GET(tab_func1, WASM_I32V(9)))}); |
| ExpectFailure(&sig, {WASM_LOCAL_SET( |
| local_ref, WASM_TABLE_GET(tab_func2, WASM_I32V(3)))}); |
| ExpectFailure(&sig, {WASM_LOCAL_SET(local_func, |
| WASM_TABLE_GET(tab_ref2, WASM_I32V(2)))}); |
| |
| ExpectFailure(&sig, {WASM_LOCAL_SET(local_int, |
| WASM_TABLE_GET(tab_ref1, WASM_I32V(9)))}); |
| ExpectFailure(&sig, {WASM_LOCAL_SET( |
| local_int, WASM_TABLE_GET(tab_func1, WASM_I32V(3)))}); |
| ExpectFailure(&sig, |
| {WASM_LOCAL_SET(local_typed_func, |
| WASM_TABLE_GET(tab_func1, WASM_I32V(3)))}); |
| |
| // Out-of-bounds table index should fail. |
| uint8_t oob_tab = 37; |
| ExpectFailure( |
| &sig, {WASM_LOCAL_SET(local_ref, WASM_TABLE_GET(oob_tab, WASM_I32V(9)))}); |
| ExpectFailure(&sig, {WASM_LOCAL_SET(local_func, |
| WASM_TABLE_GET(oob_tab, WASM_I32V(3)))}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, MultiTableCallIndirect) { |
| uint8_t tab_ref = builder.AddTable(kWasmExternRef, 10, true, 20); |
| uint8_t tab_func = builder.AddTable(kWasmFuncRef, 20, true, 30); |
| |
| ValueType sig_types[]{kWasmExternRef, kWasmFuncRef, kWasmI32}; |
| FunctionSig sig(0, 3, sig_types); |
| uint8_t sig_index = builder.AddSignature(sigs.i_v()).index; |
| |
| // We can store funcref values as externref, but not the other way around. |
| ExpectValidates(sigs.i_v(), |
| {kExprI32Const, 0, kExprCallIndirect, sig_index, tab_func}); |
| |
| ExpectFailure(sigs.i_v(), |
| {kExprI32Const, 0, kExprCallIndirect, sig_index, tab_ref}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, WasmMemoryGrow) { |
| builder.AddMemory(); |
| |
| uint8_t code[] = {WASM_LOCAL_GET(0), kExprMemoryGrow, 0}; |
| ExpectValidates(sigs.i_i(), code); |
| ExpectFailure(sigs.i_d(), code); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, BreakEnd) { |
| ExpectValidates( |
| sigs.i_i(), |
| {WASM_BLOCK_I(WASM_I32_ADD(WASM_BRV(0, WASM_ZERO), WASM_ZERO))}); |
| ExpectValidates( |
| sigs.i_i(), |
| {WASM_BLOCK_I(WASM_I32_ADD(WASM_ZERO, WASM_BRV(0, WASM_ZERO)))}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, BreakIfBinop) { |
| ExpectValidates(sigs.i_i(), |
| {WASM_BLOCK_I(WASM_I32_ADD( |
| WASM_BRV_IF(0, WASM_ZERO, WASM_ZERO), WASM_ZERO))}); |
| ExpectValidates(sigs.i_i(), |
| {WASM_BLOCK_I(WASM_I32_ADD( |
| WASM_ZERO, WASM_BRV_IF(0, WASM_ZERO, WASM_ZERO)))}); |
| ExpectValidates( |
| sigs.f_ff(), |
| {WASM_BLOCK_F(WASM_F32_ABS(WASM_BRV_IF(0, WASM_F32(0.0f), WASM_ZERO)))}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, BreakIfBinop_fail) { |
| ExpectFailure( |
| sigs.f_ff(), |
| {WASM_BLOCK_F(WASM_F32_ABS(WASM_BRV_IF(0, WASM_ZERO, WASM_ZERO)))}); |
| ExpectFailure( |
| sigs.i_i(), |
| {WASM_BLOCK_I(WASM_F32_ABS(WASM_BRV_IF(0, WASM_F32(0.0f), WASM_ZERO)))}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, BreakIfUnrNarrow) { |
| ExpectFailure( |
| sigs.f_ff(), |
| {WASM_BLOCK_I(WASM_BRV_IF(0, WASM_UNREACHABLE, WASM_UNREACHABLE), |
| WASM_RETURN0), |
| WASM_F32(0.0)}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, BreakNesting1) { |
| for (int i = 0; i < 5; i++) { |
| // (block[2] (loop[2] (if (get p) break[N]) (set p 1)) p) |
| uint8_t code[] = {WASM_BLOCK_I( |
| WASM_LOOP(WASM_IF(WASM_LOCAL_GET(0), WASM_BRV(i + 1, WASM_ZERO)), |
| WASM_LOCAL_SET(0, WASM_I32V_1(1))), |
| WASM_ZERO)}; |
| Validate(i < 3, sigs.i_i(), code); |
| } |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, BreakNesting2) { |
| for (int i = 0; i < 7; i++) { |
| uint8_t code[] = {B1(WASM_LOOP(WASM_IF(WASM_ZERO, WASM_BR(i)), WASM_NOP))}; |
| Validate(i <= 3, sigs.v_v(), code); |
| } |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, BreakNesting3) { |
| for (int i = 0; i < 7; i++) { |
| // (block[1] (loop[1] (block[1] (if 0 break[N]) |
| uint8_t code[] = { |
| WASM_BLOCK(WASM_LOOP(B1(WASM_IF(WASM_ZERO, WASM_BR(i + 1)))))}; |
| Validate(i < 4, sigs.v_v(), code); |
| } |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, BreaksWithMultipleTypes) { |
| ExpectFailure(sigs.i_i(), |
| {B2(WASM_BRV_IF_ZERO(0, WASM_I32V_1(7)), WASM_F32(7.7))}); |
| |
| ExpectFailure(sigs.i_i(), {B2(WASM_BRV_IF_ZERO(0, WASM_I32V_1(7)), |
| WASM_BRV_IF_ZERO(0, WASM_F32(7.7)))}); |
| ExpectFailure(sigs.i_i(), {B3(WASM_BRV_IF_ZERO(0, WASM_I32V_1(8)), |
| WASM_BRV_IF_ZERO(0, WASM_I32V_1(0)), |
| WASM_BRV_IF_ZERO(0, WASM_F32(7.7)))}); |
| ExpectFailure(sigs.i_i(), {B3(WASM_BRV_IF_ZERO(0, WASM_I32V_1(9)), |
| WASM_BRV_IF_ZERO(0, WASM_F32(7.7)), |
| WASM_BRV_IF_ZERO(0, WASM_I32V_1(11)))}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, BreakNesting_6_levels) { |
| for (int mask = 0; mask < 64; mask++) { |
| for (int i = 0; i < 14; i++) { |
| uint8_t code[] = {WASM_BLOCK(WASM_BLOCK( |
| WASM_BLOCK(WASM_BLOCK(WASM_BLOCK(WASM_BLOCK(WASM_BR(i)))))))}; |
| |
| int depth = 6; |
| int m = mask; |
| for (size_t pos = 0; pos < sizeof(code) - 1; pos++) { |
| if (code[pos] != kExprBlock) continue; |
| if (m & 1) { |
| code[pos] = kExprLoop; |
| code[pos + 1] = kVoidCode; |
| } |
| m >>= 1; |
| } |
| |
| Validate(i <= depth, sigs.v_v(), code); |
| } |
| } |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, Break_TypeCheck) { |
| for (const FunctionSig* sig : |
| {sigs.i_i(), sigs.l_l(), sigs.f_ff(), sigs.d_dd()}) { |
| // unify X and X => OK |
| uint8_t code[] = {WASM_BLOCK_T( |
| sig->GetReturn(), WASM_IF(WASM_ZERO, WASM_BRV(0, WASM_LOCAL_GET(0))), |
| WASM_LOCAL_GET(0))}; |
| ExpectValidates(sig, code); |
| } |
| |
| // unify i32 and f32 => fail |
| ExpectFailure(sigs.i_i(), |
| {WASM_BLOCK_I(WASM_IF(WASM_ZERO, WASM_BRV(0, WASM_ZERO)), |
| WASM_F32(1.2))}); |
| |
| // unify f64 and f64 => OK |
| ExpectValidates( |
| sigs.d_dd(), |
| {WASM_BLOCK_D(WASM_IF(WASM_ZERO, WASM_BRV(0, WASM_LOCAL_GET(0))), |
| WASM_F64(1.2))}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, Break_TypeCheckAll1) { |
| for (size_t i = 0; i < arraysize(kValueTypes); i++) { |
| for (size_t j = 0; j < arraysize(kValueTypes); j++) { |
| ValueType storage[] = {kValueTypes[i], kValueTypes[i], kValueTypes[j]}; |
| FunctionSig sig(1, 2, storage); |
| uint8_t code[] = {WASM_BLOCK_T( |
| sig.GetReturn(), WASM_IF(WASM_ZERO, WASM_BRV(0, WASM_LOCAL_GET(0))), |
| WASM_LOCAL_GET(1))}; |
| |
| Validate(IsSubtypeOf(kValueTypes[j], kValueTypes[i], module), &sig, code); |
| } |
| } |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, Break_TypeCheckAll2) { |
| for (size_t i = 0; i < arraysize(kValueTypes); i++) { |
| for (size_t j = 0; j < arraysize(kValueTypes); j++) { |
| ValueType storage[] = {kValueTypes[i], kValueTypes[i], kValueTypes[j]}; |
| FunctionSig sig(1, 2, storage); |
| uint8_t code[] = {WASM_IF_ELSE_T(sig.GetReturn(0), WASM_ZERO, |
| WASM_BRV_IF_ZERO(0, WASM_LOCAL_GET(0)), |
| WASM_LOCAL_GET(1))}; |
| |
| Validate(IsSubtypeOf(kValueTypes[j], kValueTypes[i], module), &sig, code); |
| } |
| } |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, Break_TypeCheckAll3) { |
| for (size_t i = 0; i < arraysize(kValueTypes); i++) { |
| for (size_t j = 0; j < arraysize(kValueTypes); j++) { |
| ValueType storage[] = {kValueTypes[i], kValueTypes[i], kValueTypes[j]}; |
| FunctionSig sig(1, 2, storage); |
| uint8_t code[] = {WASM_IF_ELSE_T(sig.GetReturn(), WASM_ZERO, |
| WASM_LOCAL_GET(1), |
| WASM_BRV_IF_ZERO(0, WASM_LOCAL_GET(0)))}; |
| |
| Validate(IsSubtypeOf(kValueTypes[j], kValueTypes[i], module), &sig, code); |
| } |
| } |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, Break_Unify) { |
| for (int which = 0; which < 2; which++) { |
| for (size_t i = 0; i < arraysize(kValueTypes); i++) { |
| ValueType type = kValueTypes[i]; |
| ValueType storage[] = {kWasmI32, kWasmI32, type}; |
| FunctionSig sig(1, 2, storage); |
| |
| uint8_t code1[] = {WASM_BLOCK_T( |
| type, WASM_IF(WASM_ZERO, WASM_BRV(1, WASM_LOCAL_GET(which))), |
| WASM_LOCAL_GET(which ^ 1))}; |
| |
| Validate(type == kWasmI32, &sig, code1); |
| } |
| } |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, BreakIf_cond_type) { |
| for (size_t i = 0; i < arraysize(kValueTypes); i++) { |
| for (size_t j = 0; j < arraysize(kValueTypes); j++) { |
| ValueType types[] = {kValueTypes[i], kValueTypes[i], kValueTypes[j]}; |
| FunctionSig sig(1, 2, types); |
| uint8_t code[] = {WASM_BLOCK_T( |
| types[0], WASM_BRV_IF(0, WASM_LOCAL_GET(0), WASM_LOCAL_GET(1)))}; |
| |
| Validate(types[2] == kWasmI32, &sig, code); |
| } |
| } |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, BreakIf_val_type) { |
| for (size_t i = 0; i < arraysize(kValueTypes); i++) { |
| for (size_t j = 0; j < arraysize(kValueTypes); j++) { |
| ValueType types[] = {kValueTypes[i], kValueTypes[i], kValueTypes[j], |
| kWasmI32}; |
| FunctionSig sig(1, 3, types); |
| uint8_t code[] = {WASM_BLOCK_T( |
| types[1], WASM_BRV_IF(0, WASM_LOCAL_GET(1), WASM_LOCAL_GET(2)), |
| WASM_DROP, WASM_LOCAL_GET(0))}; |
| |
| Validate(IsSubtypeOf(kValueTypes[j], kValueTypes[i], module), &sig, code); |
| } |
| } |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, BreakIf_Unify) { |
| for (int which = 0; which < 2; which++) { |
| for (size_t i = 0; i < arraysize(kValueTypes); i++) { |
| ValueType type = kValueTypes[i]; |
| ValueType storage[] = {kWasmI32, kWasmI32, type}; |
| FunctionSig sig(1, 2, storage); |
| uint8_t code[] = {WASM_BLOCK_I(WASM_BRV_IF_ZERO(0, WASM_LOCAL_GET(which)), |
| WASM_DROP, WASM_LOCAL_GET(which ^ 1))}; |
| |
| Validate(type == kWasmI32, &sig, code); |
| } |
| } |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, BrTable0) { |
| ExpectFailure(sigs.v_v(), {kExprBrTable, 0, BR_TARGET(0)}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, BrTable0b) { |
| static uint8_t code[] = {kExprI32Const, 11, kExprBrTable, 0, BR_TARGET(0)}; |
| ExpectValidates(sigs.v_v(), code); |
| ExpectFailure(sigs.i_i(), code); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, BrTable0c) { |
| static uint8_t code[] = {kExprI32Const, 11, kExprBrTable, 0, BR_TARGET(1)}; |
| ExpectFailure(sigs.v_v(), code); |
| ExpectFailure(sigs.i_i(), code); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, BrTable1a) { |
| ExpectValidates(sigs.v_v(), |
| {B1(WASM_BR_TABLE(WASM_I32V_2(67), 0, BR_TARGET(0)))}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, BrTable1b) { |
| static uint8_t code[] = {B1(WASM_BR_TABLE(WASM_ZERO, 0, BR_TARGET(0)))}; |
| ExpectValidates(sigs.v_v(), code); |
| ExpectFailure(sigs.i_i(), code); |
| ExpectFailure(sigs.f_ff(), code); |
| ExpectFailure(sigs.d_dd(), code); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, BrTable2a) { |
| ExpectValidates( |
| sigs.v_v(), |
| {B1(WASM_BR_TABLE(WASM_I32V_2(67), 1, BR_TARGET(0), BR_TARGET(0)))}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, BrTable2b) { |
| ExpectValidates(sigs.v_v(), |
| {WASM_BLOCK(WASM_BLOCK(WASM_BR_TABLE( |
| WASM_I32V_2(67), 1, BR_TARGET(0), BR_TARGET(1))))}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, BrTableSubtyping) { |
| ModuleTypeIndex supertype1 = builder.AddStruct({F(kWasmI8, true)}); |
| ModuleTypeIndex supertype2 = |
| builder.AddStruct({F(kWasmI8, true), F(kWasmI16, false)}, supertype1); |
| ModuleTypeIndex subtype = builder.AddStruct( |
| {F(kWasmI8, true), F(kWasmI16, false), F(kWasmI32, true)}, supertype2); |
| ExpectValidates( |
| sigs.v_v(), |
| {WASM_BLOCK_R(wasm::ValueType::Ref(supertype1), |
| WASM_BLOCK_R(wasm::ValueType::Ref(supertype2), |
| WASM_STRUCT_NEW(subtype, WASM_I32V(10), |
| WASM_I32V(20), WASM_I32V(30)), |
| WASM_BR_TABLE(WASM_I32V(5), 1, BR_TARGET(0), |
| BR_TARGET(1))), |
| WASM_UNREACHABLE), |
| WASM_DROP}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, BrTable_off_end) { |
| static uint8_t code[] = { |
| B1(WASM_BR_TABLE(WASM_LOCAL_GET(0), 0, BR_TARGET(0)))}; |
| for (size_t len = 1; len < sizeof(code); len++) { |
| ExpectFailure(sigs.i_i(), base::VectorOf(code, len), kAppendEnd); |
| ExpectFailure(sigs.i_i(), base::VectorOf(code, len), kOmitEnd); |
| } |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, BrTable_invalid_br1) { |
| for (int depth = 0; depth < 4; depth++) { |
| uint8_t code[] = { |
| B1(WASM_BR_TABLE(WASM_LOCAL_GET(0), 0, BR_TARGET(depth)))}; |
| Validate(depth <= 1, sigs.v_i(), code); |
| } |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, BrTable_invalid_br2) { |
| for (int depth = 0; depth < 7; depth++) { |
| uint8_t code[] = { |
| WASM_LOOP(WASM_BR_TABLE(WASM_LOCAL_GET(0), 0, BR_TARGET(depth)))}; |
| Validate(depth < 2, sigs.v_i(), code); |
| } |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, BrTable_arity_mismatch1) { |
| ExpectFailure( |
| sigs.v_v(), |
| {WASM_BLOCK(WASM_BLOCK_I( |
| WASM_ONE, WASM_BR_TABLE(WASM_ONE, 1, BR_TARGET(0), BR_TARGET(1))))}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, BrTable_arity_mismatch2) { |
| ExpectFailure( |
| sigs.v_v(), |
| {WASM_BLOCK_I(WASM_BLOCK( |
| WASM_ONE, WASM_BR_TABLE(WASM_ONE, 1, BR_TARGET(0), BR_TARGET(1))))}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, BrTable_arity_mismatch_loop1) { |
| ExpectFailure( |
| sigs.v_v(), |
| {WASM_LOOP(WASM_BLOCK_I( |
| WASM_ONE, WASM_BR_TABLE(WASM_ONE, 1, BR_TARGET(0), BR_TARGET(1))))}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, BrTable_arity_mismatch_loop2) { |
| ExpectFailure( |
| sigs.v_v(), |
| {WASM_BLOCK_I(WASM_LOOP( |
| WASM_ONE, WASM_BR_TABLE(WASM_ONE, 1, BR_TARGET(0), BR_TARGET(1))))}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, BrTable_loop_block) { |
| ExpectValidates( |
| sigs.v_v(), |
| {WASM_LOOP(WASM_BLOCK( |
| WASM_ONE, WASM_BR_TABLE(WASM_ONE, 1, BR_TARGET(0), BR_TARGET(1))))}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, BrTable_block_loop) { |
| ExpectValidates( |
| sigs.v_v(), |
| {WASM_LOOP(WASM_BLOCK( |
| WASM_ONE, WASM_BR_TABLE(WASM_ONE, 1, BR_TARGET(0), BR_TARGET(1))))}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, BrTable_type_mismatch1) { |
| ExpectFailure( |
| sigs.v_v(), |
| {WASM_BLOCK_I(WASM_BLOCK_F( |
| WASM_ONE, WASM_BR_TABLE(WASM_ONE, 1, BR_TARGET(0), BR_TARGET(1))))}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, BrTable_type_mismatch2) { |
| ExpectFailure( |
| sigs.v_v(), |
| {WASM_BLOCK_F(WASM_BLOCK_I( |
| WASM_ONE, WASM_BR_TABLE(WASM_ONE, 1, BR_TARGET(0), BR_TARGET(1))))}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, BrTable_type_mismatch_unreachable) { |
| ExpectFailure(sigs.v_v(), |
| {WASM_BLOCK_F(WASM_BLOCK_I( |
| WASM_UNREACHABLE, |
| WASM_BR_TABLE(WASM_ONE, 1, BR_TARGET(0), BR_TARGET(1))))}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, BrUnreachable1) { |
| ExpectValidates(sigs.v_i(), |
| {WASM_LOCAL_GET(0), kExprBrTable, 0, BR_TARGET(0)}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, BrUnreachable2) { |
| ExpectValidates(sigs.v_i(), |
| {WASM_LOCAL_GET(0), kExprBrTable, 0, BR_TARGET(0), WASM_NOP}); |
| ExpectFailure(sigs.v_i(), |
| {WASM_LOCAL_GET(0), kExprBrTable, 0, BR_TARGET(0), WASM_ZERO}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, Brv1) { |
| ExpectValidates(sigs.i_i(), {WASM_BLOCK_I(WASM_BRV(0, WASM_ZERO))}); |
| ExpectValidates(sigs.i_i(), |
| {WASM_BLOCK_I(WASM_LOOP_I(WASM_BRV(2, WASM_ZERO)))}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, Brv1_type) { |
| ExpectValidates(sigs.i_ii(), {WASM_BLOCK_I(WASM_BRV(0, WASM_LOCAL_GET(0)))}); |
| ExpectValidates(sigs.l_ll(), {WASM_BLOCK_L(WASM_BRV(0, WASM_LOCAL_GET(0)))}); |
| ExpectValidates(sigs.f_ff(), {WASM_BLOCK_F(WASM_BRV(0, WASM_LOCAL_GET(0)))}); |
| ExpectValidates(sigs.d_dd(), {WASM_BLOCK_D(WASM_BRV(0, WASM_LOCAL_GET(0)))}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, Brv1_type_n) { |
| ExpectFailure(sigs.i_f(), {WASM_BLOCK_I(WASM_BRV(0, WASM_LOCAL_GET(0)))}); |
| ExpectFailure(sigs.i_d(), {WASM_BLOCK_I(WASM_BRV(0, WASM_LOCAL_GET(0)))}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, BrvIf1) { |
| ExpectValidates(sigs.i_v(), {WASM_BLOCK_I(WASM_BRV_IF_ZERO(0, WASM_ZERO))}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, BrvIf1_type) { |
| ExpectValidates(sigs.i_i(), |
| {WASM_BLOCK_I(WASM_BRV_IF_ZERO(0, WASM_LOCAL_GET(0)))}); |
| ExpectValidates(sigs.l_l(), |
| {WASM_BLOCK_L(WASM_BRV_IF_ZERO(0, WASM_LOCAL_GET(0)))}); |
| ExpectValidates(sigs.f_ff(), |
| {WASM_BLOCK_F(WASM_BRV_IF_ZERO(0, WASM_LOCAL_GET(0)))}); |
| ExpectValidates(sigs.d_dd(), |
| {WASM_BLOCK_D(WASM_BRV_IF_ZERO(0, WASM_LOCAL_GET(0)))}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, BrvIf1_type_n) { |
| ExpectFailure(sigs.i_f(), |
| {WASM_BLOCK_I(WASM_BRV_IF_ZERO(0, WASM_LOCAL_GET(0)))}); |
| ExpectFailure(sigs.i_d(), |
| {WASM_BLOCK_I(WASM_BRV_IF_ZERO(0, WASM_LOCAL_GET(0)))}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, Select) { |
| ExpectValidates(sigs.i_i(), {WASM_SELECT(WASM_LOCAL_GET(0), WASM_LOCAL_GET(0), |
| WASM_ZERO)}); |
| ExpectValidates(sigs.f_ff(), |
| {WASM_SELECT(WASM_F32(0.0), WASM_F32(0.0), WASM_ZERO)}); |
| ExpectValidates(sigs.d_dd(), |
| {WASM_SELECT(WASM_F64(0.0), WASM_F64(0.0), WASM_ZERO)}); |
| ExpectValidates(sigs.l_l(), |
| {WASM_SELECT(WASM_I64V_1(0), WASM_I64V_1(0), WASM_ZERO)}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, Select_needs_value_type) { |
| ExpectFailure(sigs.a_a(), |
| {WASM_SELECT(WASM_LOCAL_GET(0), WASM_LOCAL_GET(0), WASM_ZERO)}); |
| ExpectFailure(sigs.c_c(), |
| {WASM_SELECT(WASM_LOCAL_GET(0), WASM_LOCAL_GET(0), WASM_ZERO)}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, Select_fail1) { |
| ExpectFailure(sigs.i_i(), {WASM_SELECT(WASM_F32(0.0), WASM_LOCAL_GET(0), |
| WASM_LOCAL_GET(0))}); |
| ExpectFailure(sigs.i_i(), {WASM_SELECT(WASM_LOCAL_GET(0), WASM_F32(0.0), |
| WASM_LOCAL_GET(0))}); |
| ExpectFailure(sigs.i_i(), {WASM_SELECT(WASM_LOCAL_GET(0), WASM_LOCAL_GET(0), |
| WASM_F32(0.0))}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, Select_fail2) { |
| for (size_t i = 0; i < arraysize(kValueTypes); i++) { |
| ValueType type = kValueTypes[i]; |
| if (type == kWasmI32) continue; |
| // Select without specified type is only allowed for number types. |
| if (type == kWasmExternRef) continue; |
| |
| ValueType types[] = {type, kWasmI32, type}; |
| FunctionSig sig(1, 2, types); |
| |
| ExpectValidates(&sig, {WASM_SELECT(WASM_LOCAL_GET(1), WASM_LOCAL_GET(1), |
| WASM_LOCAL_GET(0))}); |
| |
| ExpectFailure(&sig, {WASM_SELECT(WASM_LOCAL_GET(1), WASM_LOCAL_GET(0), |
| WASM_LOCAL_GET(0))}); |
| |
| ExpectFailure(&sig, {WASM_SELECT(WASM_LOCAL_GET(0), WASM_LOCAL_GET(1), |
| WASM_LOCAL_GET(0))}); |
| |
| ExpectFailure(&sig, {WASM_SELECT(WASM_LOCAL_GET(0), WASM_LOCAL_GET(0), |
| WASM_LOCAL_GET(1))}); |
| } |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, Select_TypeCheck) { |
| ExpectFailure(sigs.i_i(), {WASM_SELECT(WASM_F32(9.9), WASM_LOCAL_GET(0), |
| WASM_LOCAL_GET(0))}); |
| |
| ExpectFailure(sigs.i_i(), {WASM_SELECT(WASM_LOCAL_GET(0), WASM_F64(0.25), |
| WASM_LOCAL_GET(0))}); |
| |
| ExpectFailure(sigs.i_i(), {WASM_SELECT(WASM_F32(9.9), WASM_LOCAL_GET(0), |
| WASM_I64V_1(0))}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, SelectWithType) { |
| ExpectValidates(sigs.i_i(), {WASM_SELECT_I(WASM_LOCAL_GET(0), |
| WASM_LOCAL_GET(0), WASM_ZERO)}); |
| ExpectValidates(sigs.f_ff(), |
| {WASM_SELECT_F(WASM_F32(0.0), WASM_F32(0.0), WASM_ZERO)}); |
| ExpectValidates(sigs.d_dd(), |
| {WASM_SELECT_D(WASM_F64(0.0), WASM_F64(0.0), WASM_ZERO)}); |
| ExpectValidates(sigs.l_l(), |
| {WASM_SELECT_L(WASM_I64V_1(0), WASM_I64V_1(0), WASM_ZERO)}); |
| ExpectValidates(sigs.a_a(), |
| {WASM_SELECT_R(WASM_REF_NULL(kExternRefCode), |
| WASM_REF_NULL(kExternRefCode), WASM_ZERO)}); |
| ExpectValidates(sigs.c_c(), |
| {WASM_SELECT_A(WASM_REF_NULL(kFuncRefCode), |
| WASM_REF_NULL(kFuncRefCode), WASM_ZERO)}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, SelectWithType_fail) { |
| ExpectFailure(sigs.i_i(), {WASM_SELECT_F(WASM_LOCAL_GET(0), WASM_LOCAL_GET(0), |
| WASM_ZERO)}); |
| ExpectFailure(sigs.f_ff(), |
| {WASM_SELECT_D(WASM_F32(0.0), WASM_F32(0.0), WASM_ZERO)}); |
| ExpectFailure(sigs.d_dd(), |
| {WASM_SELECT_L(WASM_F64(0.0), WASM_F64(0.0), WASM_ZERO)}); |
| ExpectFailure(sigs.l_l(), |
| {WASM_SELECT_I(WASM_I64V_1(0), WASM_I64V_1(0), WASM_ZERO)}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, Throw) { |
| uint8_t ex1 = builder.AddException(sigs.v_v()); |
| uint8_t ex2 = builder.AddException(sigs.v_i()); |
| uint8_t ex3 = builder.AddException(sigs.v_ii()); |
| ExpectValidates(sigs.v_v(), {kExprThrow, ex1}); |
| ExpectValidates(sigs.v_v(), {WASM_I32V(0), kExprThrow, ex2}); |
| ExpectFailure(sigs.v_v(), {WASM_F32(0.0), kExprThrow, ex2}); |
| ExpectValidates(sigs.v_v(), {WASM_I32V(0), WASM_I32V(0), kExprThrow, ex3}); |
| ExpectFailure(sigs.v_v(), {WASM_F32(0.0), WASM_I32V(0), kExprThrow, ex3}); |
| ExpectFailure(sigs.v_v(), {kExprThrow, 99}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, ThrowUnreachable) { |
| uint8_t ex1 = builder.AddException(sigs.v_v()); |
| uint8_t ex2 = builder.AddException(sigs.v_i()); |
| ExpectValidates(sigs.i_i(), {WASM_LOCAL_GET(0), kExprThrow, ex1, WASM_NOP}); |
| ExpectValidates(sigs.v_i(), {WASM_LOCAL_GET(0), kExprThrow, ex2, WASM_NOP}); |
| ExpectValidates(sigs.i_i(), {WASM_LOCAL_GET(0), kExprThrow, ex1, WASM_ZERO}); |
| ExpectFailure(sigs.v_i(), {WASM_LOCAL_GET(0), kExprThrow, ex2, WASM_ZERO}); |
| ExpectFailure(sigs.i_i(), |
| {WASM_LOCAL_GET(0), kExprThrow, ex1, WASM_F32(0.0)}); |
| ExpectFailure(sigs.v_i(), |
| {WASM_LOCAL_GET(0), kExprThrow, ex2, WASM_F32(0.0)}); |
| } |
| |
| #define WASM_TRY_OP kExprTry, kVoidCode |
| |
| TEST_F(FunctionBodyDecoderTest, TryCatch) { |
| WASM_FEATURE_SCOPE(legacy_eh); |
| uint8_t ex = builder.AddException(sigs.v_v()); |
| ExpectValidates(sigs.v_v(), {WASM_TRY_OP, kExprCatch, ex, kExprEnd}); |
| ExpectValidates(sigs.v_v(), |
| {WASM_TRY_OP, kExprCatch, ex, kExprCatchAll, kExprEnd}); |
| ExpectValidates(sigs.v_v(), {WASM_TRY_OP, kExprEnd}, kAppendEnd); |
| ExpectFailure(sigs.v_v(), |
| {WASM_TRY_OP, kExprCatchAll, kExprCatch, ex, kExprEnd}, |
| kAppendEnd, "catch after catch-all for try"); |
| ExpectFailure(sigs.v_v(), |
| {WASM_TRY_OP, kExprCatchAll, kExprCatchAll, kExprEnd}, |
| kAppendEnd, "catch-all already present for try"); |
| ExpectFailure(sigs.v_v(), {kExprCatch, ex, kExprEnd}, kAppendEnd, |
| "catch does not match a try"); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, Rethrow) { |
| WASM_FEATURE_SCOPE(legacy_eh); |
| |
| ExpectValidates(sigs.v_v(), |
| {WASM_TRY_OP, kExprCatchAll, kExprRethrow, 0, kExprEnd}); |
| ExpectFailure(sigs.v_v(), |
| {WASM_TRY_OP, kExprRethrow, 0, kExprCatch, kExprEnd}, |
| kAppendEnd, "rethrow not targeting catch or catch-all"); |
| ExpectFailure(sigs.v_v(), {WASM_BLOCK(kExprRethrow, 0)}, kAppendEnd, |
| "rethrow not targeting catch or catch-all"); |
| ExpectFailure(sigs.v_v(), {kExprRethrow, 0}, kAppendEnd, |
| "rethrow not targeting catch or catch-all"); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, TryDelegate) { |
| WASM_FEATURE_SCOPE(legacy_eh); |
| uint8_t ex = builder.AddException(sigs.v_v()); |
| |
| ExpectValidates(sigs.v_v(), {WASM_TRY_OP, |
| WASM_TRY_DELEGATE(WASM_STMTS(kExprThrow, ex), 0), |
| kExprCatch, ex, kExprEnd}); |
| ExpectValidates( |
| sigs.v_v(), |
| {WASM_BLOCK(WASM_TRY_OP, WASM_TRY_DELEGATE(WASM_STMTS(kExprThrow, ex), 2), |
| kExprCatch, ex, kExprEnd)}); |
| ExpectValidates(sigs.v_v(), |
| {WASM_TRY_OP, kExprCatch, ex, |
| WASM_TRY_DELEGATE(WASM_STMTS(kExprThrow, ex), 0), kExprEnd}, |
| kAppendEnd); |
| ExpectValidates(sigs.v_v(), |
| {WASM_TRY_OP, |
| WASM_BLOCK(WASM_TRY_DELEGATE(WASM_STMTS(kExprThrow, ex), 0)), |
| kExprCatch, ex, kExprEnd}, |
| kAppendEnd); |
| |
| ExpectFailure( |
| sigs.v_v(), |
| {WASM_BLOCK(WASM_TRY_OP, WASM_TRY_DELEGATE(WASM_STMTS(kExprThrow, ex), 3), |
| kExprCatch, ex, kExprEnd)}, |
| kAppendEnd, "invalid branch depth: 3"); |
| ExpectFailure( |
| sigs.v_v(), |
| {WASM_TRY_OP, WASM_TRY_OP, kExprCatch, ex, kExprDelegate, 0, kExprEnd}, |
| kAppendEnd, "delegate does not match a try"); |
| ExpectFailure( |
| sigs.v_v(), |
| {WASM_TRY_OP, WASM_TRY_OP, kExprCatchAll, kExprDelegate, 1, kExprEnd}, |
| kAppendEnd, "delegate does not match a try"); |
| } |
| |
| #undef WASM_TRY_OP |
| |
| #define WASM_TRY_TABLE_OP kExprTryTable, kVoidCode |
| |
| TEST_F(FunctionBodyDecoderTest, ThrowRef) { |
| WASM_FEATURE_SCOPE(exnref); |
| ExpectValidates(sigs.v_v(), {kExprBlock, kExnRefCode, WASM_TRY_TABLE_OP, |
| U32V_1(1), CatchKind::kCatchAllRef, 0, kExprEnd, |
| kExprBr, 1, kExprEnd, kExprThrowRef}); |
| ExpectValidates(sigs.v_v(), {kExprBlock, kVoidCode, kExprUnreachable, |
| kExprThrowRef, kExprEnd}); |
| ExpectFailure( |
| sigs.v_v(), |
| {WASM_REF_NULL(WASM_HEAP_TYPE(HeapType(HeapType::kExtern))), |
| kExprThrowRef}, |
| kAppendEnd, |
| "throw_ref[0] expected type exnref, found ref.null of type externref"); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, TryTable) { |
| WASM_FEATURE_SCOPE(exnref); |
| uint8_t ex = builder.AddException(sigs.v_v()); |
| ExpectValidates(sigs.v_v(), |
| {WASM_TRY_TABLE_OP, U32V_1(1), CatchKind::kCatch, ex, |
| U32V_1(0), kExprEnd}, |
| kAppendEnd); |
| ExpectValidates(sigs.v_v(), |
| {kExprBlock, kExnRefCode, WASM_TRY_TABLE_OP, U32V_1(1), |
| CatchKind::kCatchRef, ex, U32V_1(0), kExprEnd, |
| kExprUnreachable, kExprEnd, kExprDrop}, |
| kAppendEnd); |
| ExpectValidates(sigs.v_v(), |
| {WASM_TRY_TABLE_OP, U32V_1(1), CatchKind::kCatchAll, |
| U32V_1(0), kExprEnd, kExprUnreachable}, |
| kAppendEnd); |
| ExpectValidates(sigs.v_v(), |
| {kExprBlock, kExnRefCode, WASM_TRY_TABLE_OP, U32V_1(1), |
| CatchKind::kCatchAllRef, U32V_1(0), kExprEnd, |
| kExprUnreachable, kExprEnd, kExprDrop}, |
| kAppendEnd); |
| // All catch kinds at the same time. |
| ExpectValidates( |
| sigs.v_v(), |
| {kExprBlock, kExnRefCode, WASM_TRY_TABLE_OP, U32V_1(4), CatchKind::kCatch, |
| ex, U32V_1(1), CatchKind::kCatchRef, ex, U32V_1(0), CatchKind::kCatchAll, |
| U32V_1(1), CatchKind::kCatchAllRef, U32V_1(0), kExprEnd, |
| kExprUnreachable, kExprEnd, kExprDrop}, |
| kAppendEnd); |
| // Duplicate catch-all. |
| ExpectValidates( |
| sigs.v_v(), |
| {kExprBlock, kExnRefCode, WASM_TRY_TABLE_OP, U32V_1(4), |
| CatchKind::kCatchAll, U32V_1(1), CatchKind::kCatchAll, U32V_1(1), |
| CatchKind::kCatchAllRef, U32V_1(0), CatchKind::kCatchAllRef, U32V_1(0), |
| kExprEnd, kExprUnreachable, kExprEnd, kExprDrop}, |
| kAppendEnd); |
| // Catch-all before catch. |
| ExpectValidates( |
| sigs.v_v(), |
| {WASM_TRY_TABLE_OP, U32V_1(2), CatchKind::kCatchAll, U32V_1(0), |
| CatchKind::kCatch, ex, U32V_1(0), kExprEnd, kExprUnreachable}, |
| kAppendEnd); |
| // Non-nullable exnref. |
| ValueType kNonNullableExnRef = ValueType::Ref(HeapType::kExn); |
| auto sig = FixedSizeSignature<ValueType>::Returns(kNonNullableExnRef); |
| ModuleTypeIndex sig_id = builder.AddSignature(&sig); |
| ExpectValidates(sigs.v_v(), |
| {kExprBlock, ToByte(sig_id), WASM_TRY_TABLE_OP, U32V_1(1), |
| CatchKind::kCatchRef, ex, U32V_1(0), kExprEnd, |
| kExprUnreachable, kExprEnd, kExprDrop}, |
| kAppendEnd); |
| |
| constexpr uint8_t kInvalidCatchKind = kLastCatchKind + 1; |
| ExpectFailure(sigs.v_v(), |
| {WASM_TRY_TABLE_OP, U32V_1(1), kInvalidCatchKind, ex, U32V_1(0), |
| kExprEnd}, |
| kAppendEnd, "invalid catch kind in try table"); |
| // Branching to an exnref block with ref-less catch. |
| ExpectFailure(sigs.v_v(), |
| {kExprBlock, kExnRefCode, WASM_TRY_TABLE_OP, U32V_1(1), kCatch, |
| ex, U32V_1(0), kExprEnd, kExprUnreachable, kExprEnd}, |
| kAppendEnd, |
| "catch kind generates 0 operands, target block expects 1"); |
| // Branching to a void block with catch-ref. |
| ExpectFailure(sigs.v_v(), |
| {kExprBlock, kVoidCode, WASM_TRY_TABLE_OP, U32V_1(1), kCatchRef, |
| ex, U32V_1(0), kExprEnd, kExprUnreachable, kExprEnd}, |
| kAppendEnd, |
| "catch kind generates 1 operand, target block expects 0"); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, MultiValBlock1) { |
| ModuleTypeIndex sig0 = builder.AddSignature(sigs.ii_v()); |
| ExpectValidates( |
| sigs.i_ii(), |
| {WASM_BLOCK_X(sig0, WASM_LOCAL_GET(0), WASM_LOCAL_GET(1)), kExprI32Add}); |
| ExpectFailure(sigs.i_ii(), {WASM_BLOCK_X(sig0, WASM_NOP), kExprI32Add}, |
| kAppendEnd, |
| "expected 2 elements on the stack for fallthru, found 0"); |
| ExpectFailure( |
| sigs.i_ii(), {WASM_BLOCK_X(sig0, WASM_LOCAL_GET(0)), kExprI32Add}, |
| kAppendEnd, "expected 2 elements on the stack for fallthru, found 1"); |
| ExpectFailure(sigs.i_ii(), |
| {WASM_BLOCK_X(sig0, WASM_LOCAL_GET(0), WASM_LOCAL_GET(1), |
| WASM_LOCAL_GET(0)), |
| kExprI32Add}, |
| kAppendEnd, |
| "expected 2 elements on the stack for fallthru, found 3"); |
| ExpectFailure( |
| sigs.i_ii(), |
| {WASM_BLOCK_X(sig0, WASM_LOCAL_GET(0), WASM_LOCAL_GET(1)), kExprF32Add}, |
| kAppendEnd, "f32.add[0] expected type f32, found block of type i32"); |
| |
| ModuleTypeIndex sig1 = builder.AddSignature(sigs.v_i()); |
| ExpectFailure( |
| sigs.v_i(), |
| {WASM_LOCAL_GET(0), WASM_BLOCK(WASM_BLOCK_X(sig1, WASM_UNREACHABLE))}, |
| kAppendEnd, |
| "not enough arguments on the stack for block (need 1, got 0)"); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, MultiValBlock2) { |
| ModuleTypeIndex sig0 = builder.AddSignature(sigs.ii_v()); |
| ExpectValidates(sigs.i_ii(), |
| {WASM_BLOCK_X(sig0, WASM_LOCAL_GET(0), WASM_LOCAL_GET(1)), |
| WASM_I32_ADD(WASM_NOP, WASM_NOP)}); |
| ExpectFailure(sigs.i_ii(), {WASM_BLOCK_X(sig0, WASM_NOP), |
| WASM_I32_ADD(WASM_NOP, WASM_NOP)}); |
| ExpectFailure(sigs.i_ii(), {WASM_BLOCK_X(sig0, WASM_LOCAL_GET(0)), |
| WASM_I32_ADD(WASM_NOP, WASM_NOP)}); |
| ExpectFailure(sigs.i_ii(), |
| {WASM_BLOCK_X(sig0, WASM_LOCAL_GET(0), WASM_LOCAL_GET(1), |
| WASM_LOCAL_GET(0)), |
| WASM_I32_ADD(WASM_NOP, WASM_NOP)}); |
| ExpectFailure(sigs.i_ii(), |
| {WASM_BLOCK_X(sig0, WASM_LOCAL_GET(0), WASM_LOCAL_GET(1)), |
| WASM_F32_ADD(WASM_NOP, WASM_NOP)}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, MultiValBlockBr) { |
| ModuleTypeIndex sig0 = builder.AddSignature(sigs.ii_v()); |
| ExpectFailure(sigs.i_ii(), {WASM_BLOCK_X(sig0, WASM_LOCAL_GET(0), WASM_BR(0)), |
| kExprI32Add}); |
| ExpectValidates(sigs.i_ii(), {WASM_BLOCK_X(sig0, WASM_LOCAL_GET(0), |
| WASM_LOCAL_GET(1), WASM_BR(0)), |
| kExprI32Add}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, MultiValLoop1) { |
| ModuleTypeIndex sig0 = builder.AddSignature(sigs.ii_v()); |
| ExpectValidates( |
| sigs.i_ii(), |
| {WASM_LOOP_X(sig0, WASM_LOCAL_GET(0), WASM_LOCAL_GET(1)), kExprI32Add}); |
| ExpectFailure(sigs.i_ii(), {WASM_LOOP_X(sig0, WASM_NOP), kExprI32Add}); |
| ExpectFailure(sigs.i_ii(), |
| {WASM_LOOP_X(sig0, WASM_LOCAL_GET(0)), kExprI32Add}); |
| ExpectFailure(sigs.i_ii(), {WASM_LOOP_X(sig0, WASM_LOCAL_GET(0), |
| WASM_LOCAL_GET(1), WASM_LOCAL_GET(0)), |
| kExprI32Add}); |
| ExpectFailure( |
| sigs.i_ii(), |
| {WASM_LOOP_X(sig0, WASM_LOCAL_GET(0), WASM_LOCAL_GET(1)), kExprF32Add}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, MultiValIf) { |
| ModuleTypeIndex sig0 = builder.AddSignature(sigs.ii_v()); |
| ExpectValidates( |
| sigs.i_ii(), |
| {WASM_IF_ELSE_X(sig0, WASM_LOCAL_GET(0), |
| WASM_SEQ(WASM_LOCAL_GET(0), WASM_LOCAL_GET(1)), |
| WASM_SEQ(WASM_LOCAL_GET(1), WASM_LOCAL_GET(0))), |
| kExprI32Add}); |
| ExpectFailure(sigs.i_ii(), |
| {WASM_IF_ELSE_X(sig0, WASM_LOCAL_GET(0), WASM_NOP, WASM_NOP), |
| kExprI32Add}); |
| ExpectFailure(sigs.i_ii(), |
| {WASM_IF_ELSE_X(sig0, WASM_LOCAL_GET(0), WASM_NOP, |
| WASM_SEQ(WASM_LOCAL_GET(1), WASM_LOCAL_GET(0))), |
| kExprI32Add}); |
| ExpectFailure( |
| sigs.i_ii(), |
| {WASM_IF_ELSE_X(sig0, WASM_LOCAL_GET(0), |
| WASM_SEQ(WASM_LOCAL_GET(0), WASM_LOCAL_GET(1)), WASM_NOP), |
| kExprI32Add}); |
| ExpectFailure(sigs.i_ii(), |
| {WASM_IF_ELSE_X(sig0, WASM_LOCAL_GET(0), WASM_LOCAL_GET(0), |
| WASM_LOCAL_GET(1)), |
| kExprI32Add}); |
| ExpectFailure(sigs.i_ii(), |
| {WASM_IF_ELSE_X(sig0, WASM_LOCAL_GET(0), WASM_LOCAL_GET(0), |
| WASM_SEQ(WASM_LOCAL_GET(1), WASM_LOCAL_GET(0))), |
| kExprI32Add}); |
| ExpectFailure(sigs.i_ii(), |
| {WASM_IF_ELSE_X(sig0, WASM_LOCAL_GET(0), |
| WASM_SEQ(WASM_LOCAL_GET(0), WASM_LOCAL_GET(1)), |
| WASM_LOCAL_GET(1)), |
| kExprI32Add}); |
| ExpectFailure( |
| sigs.i_ii(), |
| {WASM_IF_ELSE_X( |
| sig0, WASM_LOCAL_GET(0), |
| WASM_SEQ(WASM_LOCAL_GET(0), WASM_LOCAL_GET(0), WASM_LOCAL_GET(0)), |
| WASM_SEQ(WASM_LOCAL_GET(1), WASM_LOCAL_GET(0), WASM_LOCAL_GET(0))), |
| kExprI32Add}); |
| ExpectFailure(sigs.i_ii(), |
| {WASM_IF_ELSE_X(sig0, WASM_LOCAL_GET(0), |
| WASM_SEQ(WASM_LOCAL_GET(0), WASM_LOCAL_GET(0), |
| WASM_LOCAL_GET(0)), |
| WASM_SEQ(WASM_LOCAL_GET(0), WASM_LOCAL_GET(1))), |
| kExprI32Add}); |
| ExpectFailure(sigs.i_ii(), |
| {WASM_IF_ELSE_X(sig0, WASM_LOCAL_GET(0), |
| WASM_SEQ(WASM_LOCAL_GET(0), WASM_LOCAL_GET(1)), |
| WASM_SEQ(WASM_LOCAL_GET(1), WASM_LOCAL_GET(1), |
| WASM_LOCAL_GET(1))), |
| kExprI32Add}); |
| ExpectFailure(sigs.i_ii(), |
| {WASM_IF_ELSE_X(sig0, WASM_LOCAL_GET(0), |
| WASM_SEQ(WASM_LOCAL_GET(0), WASM_LOCAL_GET(1)), |
| WASM_SEQ(WASM_LOCAL_GET(1), WASM_LOCAL_GET(0))), |
| kExprF32Add}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, BlockParam) { |
| ModuleTypeIndex sig1 = builder.AddSignature(sigs.i_i()); |
| ModuleTypeIndex sig2 = builder.AddSignature(sigs.i_ii()); |
| ExpectValidates( |
| sigs.i_ii(), |
| {WASM_LOCAL_GET(0), WASM_BLOCK_X(sig1, WASM_LOCAL_GET(1), |
| WASM_I32_ADD(WASM_NOP, WASM_NOP))}); |
| ExpectValidates(sigs.i_ii(), |
| {WASM_LOCAL_GET(0), WASM_LOCAL_GET(1), |
| WASM_BLOCK_X(sig2, WASM_I32_ADD(WASM_NOP, WASM_NOP))}); |
| ExpectValidates(sigs.i_ii(), {WASM_LOCAL_GET(0), WASM_LOCAL_GET(1), |
| WASM_BLOCK_X(sig1, WASM_NOP), |
| WASM_I32_ADD(WASM_NOP, WASM_NOP)}); |
| ExpectFailure(sigs.i_ii(), |
| {WASM_BLOCK_X(sig1, WASM_NOP), WASM_RETURN(WASM_LOCAL_GET(0))}); |
| ExpectFailure(sigs.i_ii(), {WASM_BLOCK_X(sig1, WASM_LOCAL_GET(0)), |
| WASM_RETURN(WASM_LOCAL_GET(0))}); |
| ExpectFailure( |
| sigs.i_ii(), |
| {WASM_LOCAL_GET(0), WASM_BLOCK_X(sig2, WASM_I32_ADD(WASM_NOP, WASM_NOP)), |
| WASM_RETURN(WASM_LOCAL_GET(0))}); |
| ExpectFailure(sigs.i_ii(), |
| {WASM_LOCAL_GET(0), WASM_BLOCK_X(sig1, WASM_F32_NEG(WASM_NOP)), |
| WASM_RETURN(WASM_LOCAL_GET(0))}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, LoopParam) { |
| ModuleTypeIndex sig1 = builder.AddSignature(sigs.i_i()); |
| ModuleTypeIndex sig2 = builder.AddSignature(sigs.i_ii()); |
| ExpectValidates(sigs.i_ii(), {WASM_LOCAL_GET(0), |
| WASM_LOOP_X(sig1, WASM_LOCAL_GET(1), |
| WASM_I32_ADD(WASM_NOP, WASM_NOP))}); |
| ExpectValidates(sigs.i_ii(), |
| {WASM_LOCAL_GET(0), WASM_LOCAL_GET(1), |
| WASM_LOOP_X(sig2, WASM_I32_ADD(WASM_NOP, WASM_NOP))}); |
| ExpectValidates(sigs.i_ii(), {WASM_LOCAL_GET(0), WASM_LOCAL_GET(1), |
| WASM_LOOP_X(sig1, WASM_NOP), |
| WASM_I32_ADD(WASM_NOP, WASM_NOP)}); |
| ExpectFailure(sigs.i_ii(), |
| {WASM_LOOP_X(sig1, WASM_NOP), WASM_RETURN(WASM_LOCAL_GET(0))}); |
| ExpectFailure(sigs.i_ii(), {WASM_LOOP_X(sig1, WASM_LOCAL_GET(0)), |
| WASM_RETURN(WASM_LOCAL_GET(0))}); |
| ExpectFailure( |
| sigs.i_ii(), |
| {WASM_LOCAL_GET(0), WASM_LOOP_X(sig2, WASM_I32_ADD(WASM_NOP, WASM_NOP)), |
| WASM_RETURN(WASM_LOCAL_GET(0))}); |
| ExpectFailure(sigs.i_ii(), |
| {WASM_LOCAL_GET(0), WASM_LOOP_X(sig1, WASM_F32_NEG(WASM_NOP)), |
| WASM_RETURN(WASM_LOCAL_GET(0))}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, LoopParamBr) { |
| ModuleTypeIndex sig1 = builder.AddSignature(sigs.i_i()); |
| ModuleTypeIndex sig2 = builder.AddSignature(sigs.i_ii()); |
| ExpectValidates(sigs.i_ii(), |
| {WASM_LOCAL_GET(0), WASM_LOOP_X(sig1, WASM_BR(0))}); |
| ExpectValidates( |
| sigs.i_ii(), |
| {WASM_LOCAL_GET(0), WASM_LOOP_X(sig1, WASM_BRV(0, WASM_LOCAL_GET(1)))}); |
| ExpectValidates(sigs.i_ii(), {WASM_LOCAL_GET(0), WASM_LOCAL_GET(1), |
| WASM_LOOP_X(sig2, WASM_BR(0))}); |
| ExpectValidates( |
| sigs.i_ii(), |
| {WASM_LOCAL_GET(0), WASM_LOOP_X(sig1, WASM_BLOCK_X(sig1, WASM_BR(1)))}); |
| ExpectFailure(sigs.i_ii(), |
| {WASM_LOCAL_GET(0), WASM_LOOP_X(sig1, WASM_BLOCK(WASM_BR(1))), |
| WASM_RETURN(WASM_LOCAL_GET(0))}); |
| ExpectFailure(sigs.i_ii(), {WASM_LOCAL_GET(0), WASM_LOCAL_GET(1), |
| WASM_LOOP_X(sig2, WASM_BLOCK_X(sig1, WASM_BR(1))), |
| WASM_RETURN(WASM_LOCAL_GET(0))}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, IfParam) { |
| ModuleTypeIndex sig1 = builder.AddSignature(sigs.i_i()); |
| ModuleTypeIndex sig2 = builder.AddSignature(sigs.i_ii()); |
| ExpectValidates(sigs.i_ii(), |
| {WASM_LOCAL_GET(0), |
| WASM_IF_X(sig1, WASM_LOCAL_GET(0), |
| WASM_I32_ADD(WASM_NOP, WASM_LOCAL_GET(1)))}); |
| ExpectValidates(sigs.i_ii(), |
| {WASM_LOCAL_GET(0), |
| WASM_IF_ELSE_X(sig1, WASM_LOCAL_GET(0), |
| WASM_I32_ADD(WASM_NOP, WASM_LOCAL_GET(1)), |
| WASM_I32_EQZ(WASM_NOP))}); |
| ExpectValidates( |
| sigs.i_ii(), |
| {WASM_LOCAL_GET(0), WASM_LOCAL_GET(1), |
| WASM_IF_ELSE_X(sig2, WASM_LOCAL_GET(0), WASM_I32_ADD(WASM_NOP, WASM_NOP), |
| WASM_I32_MUL(WASM_NOP, WASM_NOP))}); |
| ExpectValidates(sigs.i_ii(), {WASM_LOCAL_GET(0), WASM_LOCAL_GET(1), |
| WASM_IF_X(sig1, WASM_LOCAL_GET(0), WASM_NOP), |
| WASM_I32_ADD(WASM_NOP, WASM_NOP)}); |
| ExpectValidates(sigs.i_ii(), |
| {WASM_LOCAL_GET(0), WASM_LOCAL_GET(1), |
| WASM_IF_ELSE_X(sig1, WASM_LOCAL_GET(0), WASM_NOP, |
| WASM_I32_EQZ(WASM_NOP)), |
| WASM_I32_ADD(WASM_NOP, WASM_NOP)}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, Regression709741) { |
| AddLocals(kWasmI32, kV8MaxWasmFunctionLocals - 1); |
| ExpectValidates(sigs.v_v(), {WASM_NOP}); |
| uint8_t code[] = {WASM_NOP, WASM_END}; |
| |
| for (size_t i = 0; i < arraysize(code); ++i) { |
| constexpr bool kIsShared = false; |
| FunctionBody body(sigs.v_v(), 0, code, code + i, kIsShared); |
| WasmDetectedFeatures unused_detected_features; |
| DecodeResult result = |
| ValidateFunctionBody(this->zone(), WasmEnabledFeatures::All(), module, |
| &unused_detected_features, body); |
| if (result.ok()) { |
| std::ostringstream str; |
| str << "Expected verification to fail"; |
| } |
| } |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, MemoryInit) { |
| builder.AddMemory(); |
| builder.SetDataSegmentCount(1); |
| |
| ExpectValidates(sigs.v_v(), |
| {WASM_MEMORY_INIT(0, WASM_ZERO, WASM_ZERO, WASM_ZERO)}); |
| ExpectFailure(sigs.v_v(), |
| {WASM_TABLE_INIT(0, 1, WASM_ZERO, WASM_ZERO, WASM_ZERO)}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, MemoryInitInvalid) { |
| builder.AddMemory(); |
| builder.SetDataSegmentCount(1); |
| |
| uint8_t code[] = {WASM_MEMORY_INIT(0, WASM_ZERO, WASM_ZERO, WASM_ZERO), |
| WASM_END}; |
| for (size_t i = 0; i <= arraysize(code); ++i) { |
| Validate(i == arraysize(code), sigs.v_v(), base::VectorOf(code, i), |
| kOmitEnd); |
| } |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, DataDrop) { |
| builder.AddMemory(); |
| builder.SetDataSegmentCount(1); |
| |
| ExpectValidates(sigs.v_v(), {WASM_DATA_DROP(0)}); |
| ExpectFailure(sigs.v_v(), {WASM_DATA_DROP(1)}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, DataSegmentIndexUnsigned) { |
| builder.AddMemory(); |
| builder.SetDataSegmentCount(65); |
| |
| // Make sure that the index is interpreted as an unsigned number; 64 is |
| // interpreted as -64 when decoded as a signed LEB. |
| ExpectValidates(sigs.v_v(), |
| {WASM_MEMORY_INIT(64, WASM_ZERO, WASM_ZERO, WASM_ZERO)}); |
| ExpectValidates(sigs.v_v(), {WASM_DATA_DROP(64)}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, MemoryCopy) { |
| builder.AddMemory(); |
| |
| ExpectValidates(sigs.v_v(), |
| {WASM_MEMORY0_COPY(WASM_ZERO, WASM_ZERO, WASM_ZERO)}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, MemoryFill) { |
| builder.AddMemory(); |
| |
| ExpectValidates(sigs.v_v(), |
| {WASM_MEMORY_FILL(WASM_ZERO, WASM_ZERO, WASM_ZERO)}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, BulkMemoryOpsWithoutMemory) { |
| ExpectFailure(sigs.v_v(), |
| {WASM_MEMORY_INIT(0, WASM_ZERO, WASM_ZERO, WASM_ZERO)}); |
| ExpectFailure(sigs.v_v(), |
| {WASM_MEMORY0_COPY(WASM_ZERO, WASM_ZERO, WASM_ZERO)}); |
| ExpectFailure(sigs.v_v(), |
| {WASM_MEMORY_FILL(WASM_ZERO, WASM_ZERO, WASM_ZERO)}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, TableInit) { |
| builder.AddTable(wasm::kWasmFuncRef); |
| builder.AddPassiveElementSegment(wasm::kWasmFuncRef); |
| |
| ExpectValidates(sigs.v_v(), |
| {WASM_TABLE_INIT(0, 0, WASM_ZERO, WASM_ZERO, WASM_ZERO)}); |
| ExpectFailure(sigs.v_v(), |
| {WASM_TABLE_INIT(0, 1, WASM_ZERO, WASM_ZERO, WASM_ZERO)}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, TableInitWrongType) { |
| uint32_t table_index = builder.AddTable(wasm::kWasmFuncRef); |
| uint32_t element_index = |
| builder.AddPassiveElementSegment(wasm::kWasmExternRef); |
| ExpectFailure(sigs.v_v(), {WASM_TABLE_INIT(table_index, element_index, |
| WASM_ZERO, WASM_ZERO, WASM_ZERO)}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, TableInitInvalid) { |
| builder.AddTable(wasm::kWasmFuncRef); |
| builder.AddPassiveElementSegment(wasm::kWasmFuncRef); |
| |
| uint8_t code[] = {WASM_TABLE_INIT(0, 0, WASM_ZERO, WASM_ZERO, WASM_ZERO), |
| WASM_END}; |
| for (size_t i = 0; i <= arraysize(code); ++i) { |
| Validate(i == arraysize(code), sigs.v_v(), base::VectorOf(code, i), |
| kOmitEnd); |
| } |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, ElemDrop) { |
| builder.AddTable(wasm::kWasmFuncRef); |
| builder.AddPassiveElementSegment(wasm::kWasmFuncRef); |
| |
| ExpectValidates(sigs.v_v(), {WASM_ELEM_DROP(0)}); |
| ExpectFailure(sigs.v_v(), {WASM_ELEM_DROP(1)}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, TableInitDeclarativeElem) { |
| builder.AddTable(wasm::kWasmFuncRef); |
| builder.AddDeclarativeElementSegment(); |
| uint8_t code[] = {WASM_TABLE_INIT(0, 0, WASM_ZERO, WASM_ZERO, WASM_ZERO), |
| WASM_END}; |
| for (size_t i = 0; i <= arraysize(code); ++i) { |
| Validate(i == arraysize(code), sigs.v_v(), base::VectorOf(code, i), |
| kOmitEnd); |
| } |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, DeclarativeElemDrop) { |
| builder.AddTable(wasm::kWasmFuncRef); |
| builder.AddDeclarativeElementSegment(); |
| ExpectValidates(sigs.v_v(), {WASM_ELEM_DROP(0)}); |
| ExpectFailure(sigs.v_v(), {WASM_ELEM_DROP(1)}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, RefFuncDeclared) { |
| uint8_t function_index = builder.AddFunction(sigs.v_i()); |
| ExpectValidates(sigs.c_v(), {WASM_REF_FUNC(function_index)}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, RefFuncUndeclared) { |
| uint8_t function_index = builder.AddFunction(sigs.v_i(), false); |
| ExpectFailure(sigs.c_v(), {WASM_REF_FUNC(function_index)}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, ElemSegmentIndexUnsigned) { |
| builder.AddTable(wasm::kWasmFuncRef); |
| for (int i = 0; i < 65; ++i) { |
| builder.AddPassiveElementSegment(wasm::kWasmFuncRef); |
| } |
| |
| // Make sure that the index is interpreted as an unsigned number; 64 is |
| // interpreted as -64 when decoded as a signed LEB. |
| ExpectValidates(sigs.v_v(), |
| {WASM_TABLE_INIT(0, 64, WASM_ZERO, WASM_ZERO, WASM_ZERO)}); |
| ExpectValidates(sigs.v_v(), {WASM_ELEM_DROP(64)}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, TableCopy) { |
| uint8_t table_index = builder.AddTable(wasm::kWasmVoid); |
| |
| ExpectValidates(sigs.v_v(), |
| {WASM_TABLE_COPY(table_index, table_index, WASM_ZERO, |
| WASM_ZERO, WASM_ZERO)}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, TableCopyWrongType) { |
| uint8_t dst_table_index = builder.AddTable(wasm::kWasmFuncRef); |
| uint8_t src_table_index = builder.AddTable(wasm::kWasmExternRef); |
| ExpectFailure(sigs.v_v(), {WASM_TABLE_COPY(dst_table_index, src_table_index, |
| WASM_ZERO, WASM_ZERO, WASM_ZERO)}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, TableGrow) { |
| uint8_t tab_func = builder.AddTable(kWasmFuncRef, 10, true, 20); |
| uint8_t tab_ref = builder.AddTable(kWasmExternRef, 10, true, 20); |
| |
| ExpectValidates( |
| sigs.i_c(), |
| {WASM_TABLE_GROW(tab_func, WASM_REF_NULL(kFuncRefCode), WASM_ONE)}); |
| ExpectValidates( |
| sigs.i_a(), |
| {WASM_TABLE_GROW(tab_ref, WASM_REF_NULL(kExternRefCode), WASM_ONE)}); |
| // FuncRef table cannot be initialized with an ExternRef value. |
| ExpectFailure(sigs.i_a(), |
| {WASM_TABLE_GROW(tab_func, WASM_LOCAL_GET(0), WASM_ONE)}); |
| // ExternRef table cannot be initialized with a FuncRef value. |
| ExpectFailure(sigs.i_c(), |
| {WASM_TABLE_GROW(tab_ref, WASM_LOCAL_GET(0), WASM_ONE)}); |
| // Check that the table index gets verified. |
| ExpectFailure( |
| sigs.i_a(), |
| {WASM_TABLE_GROW(tab_ref + 2, WASM_REF_NULL(kExternRefCode), WASM_ONE)}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, TableSize) { |
| int tab = builder.AddTable(kWasmFuncRef, 10, true, 20); |
| ExpectValidates(sigs.i_v(), {WASM_TABLE_SIZE(tab)}); |
| ExpectFailure(sigs.i_v(), {WASM_TABLE_SIZE(tab + 2)}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, TableFill) { |
| uint8_t tab_func = builder.AddTable(kWasmFuncRef, 10, true, 20); |
| uint8_t tab_ref = builder.AddTable(kWasmExternRef, 10, true, 20); |
| ExpectValidates(sigs.v_c(), |
| {WASM_TABLE_FILL(tab_func, WASM_ONE, |
| WASM_REF_NULL(kFuncRefCode), WASM_ONE)}); |
| ExpectValidates(sigs.v_a(), |
| {WASM_TABLE_FILL(tab_ref, WASM_ONE, |
| WASM_REF_NULL(kExternRefCode), WASM_ONE)}); |
| // FuncRef table cannot be initialized with an ExternRef value. |
| ExpectFailure(sigs.v_a(), {WASM_TABLE_FILL(tab_func, WASM_ONE, |
| WASM_LOCAL_GET(0), WASM_ONE)}); |
| // ExternRef table cannot be initialized with a FuncRef value. |
| ExpectFailure(sigs.v_c(), {WASM_TABLE_FILL(tab_ref, WASM_ONE, |
| WASM_LOCAL_GET(0), WASM_ONE)}); |
| // Check that the table index gets verified. |
| ExpectFailure(sigs.v_a(), |
| {WASM_TABLE_FILL(tab_ref + 2, WASM_ONE, |
| WASM_REF_NULL(kExternRefCode), WASM_ONE)}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, TableOpsWithoutTable) { |
| ExpectFailure(sigs.i_v(), |
| {WASM_TABLE_GROW(0, WASM_REF_NULL(kExternRefCode), WASM_ONE)}); |
| ExpectFailure(sigs.i_v(), {WASM_TABLE_SIZE(0)}); |
| ExpectFailure( |
| sigs.i_a(), |
| {WASM_TABLE_FILL(0, WASM_ONE, WASM_REF_NULL(kExternRefCode), WASM_ONE)}); |
| builder.AddPassiveElementSegment(wasm::kWasmFuncRef); |
| ExpectFailure(sigs.v_v(), |
| {WASM_TABLE_INIT(0, 0, WASM_ZERO, WASM_ZERO, WASM_ZERO)}); |
| ExpectFailure(sigs.v_v(), |
| {WASM_TABLE_COPY(0, 0, WASM_ZERO, WASM_ZERO, WASM_ZERO)}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, TableCopyMultiTable) { |
| { |
| TestModuleBuilder builder; |
| builder.AddTable(kWasmExternRef, 10, true, 20); |
| builder.AddPassiveElementSegment(wasm::kWasmFuncRef); |
| module = builder.module(); |
| // We added one table, therefore table.copy on table 0 should work. |
| int table_src = 0; |
| int table_dst = 0; |
| ExpectValidates(sigs.v_v(), |
| {WASM_TABLE_COPY(table_dst, table_src, WASM_ZERO, WASM_ZERO, |
| WASM_ZERO)}); |
| // There is only one table, so table.copy on table 1 should fail. |
| table_src = 0; |
| table_dst = 1; |
| ExpectFailure(sigs.v_v(), {WASM_TABLE_COPY(table_dst, table_src, WASM_ZERO, |
| WASM_ZERO, WASM_ZERO)}); |
| table_src = 1; |
| table_dst = 0; |
| ExpectFailure(sigs.v_v(), {WASM_TABLE_COPY(table_dst, table_src, WASM_ZERO, |
| WASM_ZERO, WASM_ZERO)}); |
| } |
| { |
| TestModuleBuilder builder; |
| builder.AddTable(kWasmExternRef, 10, true, 20); |
| builder.AddTable(kWasmExternRef, 10, true, 20); |
| builder.AddPassiveElementSegment(wasm::kWasmFuncRef); |
| module = builder.module(); |
| // We added two tables, therefore table.copy on table 0 should work. |
| int table_src = 0; |
| int table_dst = 0; |
| ExpectValidates(sigs.v_v(), |
| {WASM_TABLE_COPY(table_dst, table_src, WASM_ZERO, WASM_ZERO, |
| WASM_ZERO)}); |
| // Also table.copy on table 1 should work now. |
| table_src = 1; |
| table_dst = 0; |
| ExpectValidates(sigs.v_v(), |
| {WASM_TABLE_COPY(table_dst, table_src, WASM_ZERO, WASM_ZERO, |
| WASM_ZERO)}); |
| table_src = 0; |
| table_dst = 1; |
| ExpectValidates(sigs.v_v(), |
| {WASM_TABLE_COPY(table_dst, table_src, WASM_ZERO, WASM_ZERO, |
| WASM_ZERO)}); |
| } |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, TableInitMultiTable) { |
| { |
| TestModuleBuilder builder; |
| builder.AddTable(kWasmExternRef, 10, true, 20); |
| builder.AddPassiveElementSegment(wasm::kWasmExternRef); |
| module = builder.module(); |
| // We added one table, therefore table.init on table 0 should work. |
| int table_index = 0; |
| ExpectValidates(sigs.v_v(), {WASM_TABLE_INIT(table_index, 0, WASM_ZERO, |
| WASM_ZERO, WASM_ZERO)}); |
| // There is only one table, so table.init on table 1 should fail. |
| table_index = 1; |
| ExpectFailure(sigs.v_v(), {WASM_TABLE_INIT(table_index, 0, WASM_ZERO, |
| WASM_ZERO, WASM_ZERO)}); |
| } |
| { |
| TestModuleBuilder builder; |
| builder.AddTable(kWasmExternRef, 10, true, 20); |
| builder.AddTable(kWasmExternRef, 10, true, 20); |
| builder.AddPassiveElementSegment(wasm::kWasmExternRef); |
| module = builder.module(); |
| // We added two tables, therefore table.init on table 0 should work. |
| int table_index = 0; |
| ExpectValidates(sigs.v_v(), {WASM_TABLE_INIT(table_index, 0, WASM_ZERO, |
| WASM_ZERO, WASM_ZERO)}); |
| // Also table.init on table 1 should work now. |
| table_index = 1; |
| ExpectValidates(sigs.v_v(), {WASM_TABLE_INIT(table_index, 0, WASM_ZERO, |
| WASM_ZERO, WASM_ZERO)}); |
| } |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, UnpackPackedTypes) { |
| { |
| TestModuleBuilder builder; |
| ModuleTypeIndex type_index = |
| builder.AddStruct({F(kWasmI8, true), F(kWasmI16, false)}); |
| module = builder.module(); |
| ExpectValidates(sigs.v_v(), |
| {WASM_STRUCT_SET(type_index, 0, |
| WASM_STRUCT_NEW(type_index, WASM_I32V(1), |
| WASM_I32V(42)), |
| WASM_I32V(-1))}); |
| } |
| { |
| TestModuleBuilder builder; |
| ModuleTypeIndex type_index = builder.AddArray(kWasmI8, true); |
| module = builder.module(); |
| ExpectValidates( |
| sigs.v_v(), |
| {WASM_ARRAY_SET(type_index, |
| WASM_ARRAY_NEW(type_index, WASM_I32V(10), WASM_I32V(5)), |
| WASM_I32V(3), WASM_I32V(12345678))}); |
| } |
| } |
| |
| ValueType ref(ModuleTypeIndex type_index) { return ValueType::Ref(type_index); } |
| ValueType ref(HeapType::Representation repr) { return ValueType::Ref(repr); } |
| ValueType refNull(ModuleTypeIndex type_index) { |
| return ValueType::RefNull(type_index); |
| } |
| ValueType refNull(HeapType::Representation repr) { |
| return ValueType::RefNull(repr); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, StructOrArrayNewDefault) { |
| TestModuleBuilder builder; |
| ModuleTypeIndex struct_index = builder.AddStruct({F(kWasmI32, true)}); |
| ModuleTypeIndex struct_non_def_index = |
| builder.AddStruct({F(ref(struct_index), true)}); |
| ModuleTypeIndex struct_immutable_index = |
| builder.AddStruct({F(kWasmI32, false)}); |
| ModuleTypeIndex array_index = builder.AddArray(kWasmI32, true); |
| ModuleTypeIndex array_non_def_index = |
| builder.AddArray(ref(array_index), true); |
| ModuleTypeIndex array_immutable_index = builder.AddArray(kWasmI32, false); |
| |
| module = builder.module(); |
| |
| ExpectValidates(sigs.v_v(), |
| {WASM_STRUCT_NEW_DEFAULT(struct_index), WASM_DROP}); |
| ExpectFailure(sigs.v_v(), |
| {WASM_STRUCT_NEW_DEFAULT(struct_non_def_index), WASM_DROP}, |
| kAppendEnd, |
| "struct.new_default: struct type 1 has field 0 of " |
| "non-defaultable type (ref 0)"); |
| ExpectValidates(sigs.v_v(), |
| {WASM_STRUCT_NEW_DEFAULT(struct_immutable_index), WASM_DROP}); |
| ExpectValidates( |
| sigs.v_v(), |
| {WASM_ARRAY_NEW_DEFAULT(array_index, WASM_I32V(3)), WASM_DROP}); |
| ExpectFailure( |
| sigs.v_v(), |
| {WASM_ARRAY_NEW_DEFAULT(array_non_def_index, WASM_I32V(3)), WASM_DROP}, |
| kAppendEnd, |
| "array.new_default: array type 4 has non-defaultable element type (ref " |
| "3)"); |
| ExpectValidates( |
| sigs.v_v(), |
| {WASM_ARRAY_NEW_DEFAULT(array_immutable_index, WASM_I32V(3)), WASM_DROP}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, DefaultableLocal) { |
| AddLocals(kWasmExternRef, 1); |
| ExpectValidates(sigs.v_v(), {}); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, NonDefaultableLocals) { |
| WASM_FEATURE_SCOPE(legacy_eh); |
| ModuleTypeIndex struct_type_index = builder.AddStruct({F(kWasmI32, true)}); |
| ValueType rep = ref(struct_type_index); |
| FunctionSig sig(0, 1, &rep); |
| AddLocals(rep, 2); |
| uint8_t ex = builder.AddException(sigs.v_v()); |
| // Declaring non-defaultable locals is fine. |
| ExpectValidates(&sig, {}); |
| // Loading from an uninitialized non-defaultable local fails. |
| ExpectFailure(&sig, {WASM_LOCAL_GET(1), WASM_DROP}, kAppendEnd, |
| "uninitialized non-defaultable local: 1"); |
| // Loading from an initialized local is fine. |
| ExpectValidates(&sig, {WASM_LOCAL_SET(1, WASM_LOCAL_GET(0)), |
| WASM_LOCAL_GET(1), WASM_DROP}); |
| ExpectValidates(&sig, {WASM_LOCAL_TEE(1, WASM_LOCAL_GET(0)), |
| WASM_LOCAL_GET(1), WASM_DROP, WASM_DROP}); |
| // Non-nullable locals must be initialized with non-null values. |
| ExpectFailure(&sig, {WASM_LOCAL_SET(1, WASM_REF_NULL(struct_type_index))}, |
| kAppendEnd, |
| "expected type (ref 0), found ref.null of type (ref null 0)"); |
| // Initialization is propagated into inner blocks. |
| ExpectValidates( |
| &sig, |
| {WASM_LOCAL_SET(1, WASM_LOCAL_GET(0)), |
| WASM_BLOCK(WASM_LOCAL_GET(1), WASM_DROP), |
| WASM_LOOP(WASM_LOCAL_GET(1), WASM_DROP), |
| WASM_IF_ELSE(WASM_ZERO, WASM_SEQ(WASM_LOCAL_GET(1), WASM_DROP), |
| WASM_SEQ(WASM_LOCAL_GET(1), WASM_DROP)), |
| kExprTry, kVoidCode, WASM_LOCAL_GET(1), WASM_DROP, kExprCatch, ex, |
| WASM_LOCAL_GET(1), WASM_DROP, kExprEnd, WASM_LOCAL_GET(1), WASM_DROP}); |
| // Initialization is forgotten at the end of a block. |
| ExpectFailure(&sig, |
| {WASM_LOCAL_SET(1, WASM_LOCAL_GET(0)), |
| WASM_BLOCK(WASM_LOCAL_SET(2, WASM_LOCAL_GET(0))), |
| WASM_LOCAL_GET(1), WASM_DROP, // OK |
| WASM_LOCAL_GET(2), WASM_DROP}, // Error |
| kAppendEnd, "uninitialized non-defaultable local: 2"); |
| // Initialization is forgotten at the end of if/else, even if both |
| // branches initialized the local. |
| ExpectFailure(&sig, |
| {WASM_IF_ELSE(WASM_ZERO, WASM_LOCAL_SET(1, WASM_LOCAL_GET(0)), |
| WASM_LOCAL_SET(1, WASM_LOCAL_GET(0))), |
| WASM_LOCAL_GET(1), WASM_DROP}, |
| kAppendEnd, "uninitialized non-defaultable local: 1"); |
| // Initialization does not carry from the "then" branch to the "else" branch. |
| ExpectFailure(&sig, |
| {WASM_IF_ELSE(WASM_ONE, WASM_LOCAL_SET(1, WASM_LOCAL_GET(0)), |
| WASM_SEQ(WASM_LOCAL_GET(1), WASM_DROP))}, |
| kAppendEnd, "uninitialized non-defaultable local: 1"); |
| // Initialization is forgotten at the end of a loop. |
| ExpectFailure(&sig, |
| {WASM_LOOP(WASM_LOCAL_SET(1, WASM_LOCAL_GET(0))), |
| WASM_LOCAL_GET(1), WASM_DROP}, |
| kAppendEnd, "uninitialized non-defaultable local: 1"); |
| // Initialization is forgotten at the end of a try, with or without catch. |
| ExpectFailure(&sig, |
| {kExprTry, kVoidCode, WASM_LOCAL_SET(1, WASM_LOCAL_GET(0)), |
| kExprEnd, WASM_LOCAL_GET(1), WASM_DROP}, |
| kAppendEnd, "uninitialized non-defaultable local: 1"); |
| ExpectFailure(&sig, |
| {kExprTry, kVoidCode, WASM_LOCAL_SET(1, WASM_LOCAL_GET(0)), |
| kExprCatch, ex, WASM_LOCAL_SET(1, WASM_LOCAL_GET(0)), kExprEnd, |
| WASM_LOCAL_GET(1), WASM_DROP}, |
| kAppendEnd, "uninitialized non-defaultable local: 1"); |
| ExpectFailure(&sig, |
| {kExprTry, kVoidCode, WASM_LOCAL_SET(1, WASM_LOCAL_GET(0)), |
| kExprCatchAll, WASM_LOCAL_SET(1, WASM_LOCAL_GET(0)), kExprEnd, |
| WASM_LOCAL_GET(1), WASM_DROP}, |
| kAppendEnd, "uninitialized non-defaultable local: 1"); |
| // Initialization does not carry from a "try" block to its "catch" block. |
| ExpectFailure(&sig, |
| {kExprTry, kVoidCode, WASM_LOCAL_SET(1, WASM_LOCAL_GET(0)), |
| kExprCatch, ex, WASM_LOCAL_GET(1), WASM_DROP, kExprEnd}, |
| kAppendEnd, "uninitialized non-defaultable local: 1"); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, RefEq) { |
| WASM_FEATURE_SCOPE(exnref); |
| |
| ModuleTypeIndex struct_type_index = builder.AddStruct({F(kWasmI32, true)}); |
| ValueType eqref_subtypes[] = {kWasmEqRef, |
| kWasmI31Ref, |
| kWasmI31Ref.AsNonNull(), |
| kWasmEqRef.AsNonNull(), |
| kWasmStructRef, |
| kWasmArrayRef, |
| refNull(HeapType::kEqShared), |
| refNull(HeapType::kI31Shared), |
| ref(HeapType::kStructShared), |
| ref(HeapType::kArrayShared), |
| ref(struct_type_index), |
| refNull(struct_type_index)}; |
| ValueType non_eqref_subtypes[] = {kWasmI32, |
| kWasmI64, |
| kWasmF32, |
| kWasmF64, |
| kWasmS128, |
| kWasmFuncRef, |
| kWasmExternRef, |
| kWasmAnyRef, |
| kWasmExnRef, |
| ref(HeapType::kExtern), |
| ref(HeapType::kAny), |
| ref(HeapType::kFunc), |
| ref(HeapType::kExn), |
| refNull(HeapType::kExternShared), |
| refNull(HeapType::kAnyShared), |
| refNull(HeapType::kFuncShared), |
| refNull(HeapType::kExnShared)}; |
| |
| for (ValueType type1 : eqref_subtypes) { |
| for (ValueType type2 : eqref_subtypes) { |
| ValueType reps[] = {kWasmI32, type1, type2}; |
| FunctionSig sig(1, 2, reps); |
| ExpectValidates(&sig, |
| {WASM_REF_EQ(WASM_LOCAL_GET(0), WASM_LOCAL_GET(1))}); |
| } |
| } |
| |
| for (ValueType type1 : eqref_subtypes) { |
| for (ValueType type2 : non_eqref_subtypes) { |
| ValueType reps[] = {kWasmI32, type1, type2}; |
| FunctionSig sig(1, 2, reps); |
| ExpectFailure(&sig, {WASM_REF_EQ(WASM_LOCAL_GET(0), WASM_LOCAL_GET(1))}, |
| kAppendEnd, |
| "expected either eqref or (ref null shared eq), found " |
| "local.get of type"); |
| ExpectFailure(&sig, {WASM_REF_EQ(WASM_LOCAL_GET(1), WASM_LOCAL_GET(0))}, |
| kAppendEnd, |
| "expected either eqref or (ref null shared eq), found " |
| "local.get of type"); |
| } |
| } |
| } |
| |
| using HeapRep = HeapType::Representation; |
| |
| HeapRep Repr(ModuleTypeIndex type_index) { |
| return HeapType(type_index).representation(); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, RefAsNonNull) { |
| WASM_FEATURE_SCOPE(exnref); |
| |
| HeapRep struct_type_index = Repr(builder.AddStruct({F(kWasmI32, true)})); |
| HeapRep array_type_index = Repr(builder.AddArray(kWasmI32, true)); |
| HeapRep heap_types[] = { |
| struct_type_index, array_type_index, HeapType::kExn, HeapType::kFunc, |
| HeapType::kEq, HeapType::kExtern, HeapType::kAny, HeapType::kI31}; |
| |
| ValueType non_compatible_types[] = {kWasmI32, kWasmI64, kWasmF32, kWasmF64, |
| kWasmS128}; |
| |
| // It works with nullable types. |
| for (HeapRep heap_type : heap_types) { |
| ValueType reprs[] = {ValueType::Ref(heap_type), |
| ValueType::RefNull(heap_type)}; |
| FunctionSig sig(1, 1, reprs); |
| ExpectValidates(&sig, {WASM_REF_AS_NON_NULL(WASM_LOCAL_GET(0))}); |
| } |
| |
| // It works with non-nullable types. |
| for (HeapRep heap_type : heap_types) { |
| ValueType reprs[] = {ValueType::Ref(heap_type), ValueType::Ref(heap_type)}; |
| FunctionSig sig(1, 1, reprs); |
| ExpectValidates(&sig, {WASM_REF_AS_NON_NULL(WASM_LOCAL_GET(0))}); |
| } |
| |
| // It fails with other types. |
| for (ValueType type : non_compatible_types) { |
| FunctionSig sig(0, 1, &type); |
| ExpectFailure( |
| &sig, {WASM_REF_AS_NON_NULL(WASM_LOCAL_GET(0)), kExprDrop}, kAppendEnd, |
| "ref.as_non_null[0] expected reference type, found local.get of type"); |
| } |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, RefNull) { |
| WASM_FEATURE_SCOPE(exnref); |
| |
| HeapRep struct_type_index = Repr(builder.AddStruct({F(kWasmI32, true)})); |
| HeapRep array_type_index = Repr(builder.AddArray(kWasmI32, true)); |
| HeapRep type_reprs[] = { |
| struct_type_index, array_type_index, HeapType::kExn, |
| HeapType::kFunc, HeapType::kEq, HeapType::kExtern, |
| HeapType::kAny, HeapType::kI31, HeapType::kNone}; |
| // It works with heap types. |
| for (HeapRep type_repr : type_reprs) { |
| const ValueType type = ValueType::RefNull(type_repr); |
| const FunctionSig sig(1, 0, &type); |
| ExpectValidates(&sig, {WASM_REF_NULL(WASM_HEAP_TYPE(HeapType(type_repr)))}); |
| } |
| // It fails for undeclared types. |
| ExpectFailure(sigs.v_v(), {WASM_REF_NULL(42), kExprDrop}, kAppendEnd, |
| "Type index 42 is out of bounds"); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, RefIsNull) { |
| ExpectValidates(sigs.i_i(), |
| {WASM_REF_IS_NULL(WASM_REF_NULL(kExternRefCode))}); |
| ExpectFailure( |
| sigs.i_i(), {WASM_REF_IS_NULL(WASM_LOCAL_GET(0))}, kAppendEnd, |
| "ref.is_null[0] expected reference type, found local.get of type i32"); |
| |
| HeapRep struct_type_index = Repr(builder.AddStruct({F(kWasmI32, true)})); |
| HeapRep array_type_index = Repr(builder.AddArray(kWasmI32, true)); |
| HeapRep heap_types[] = {struct_type_index, array_type_index, HeapType::kFunc, |
| HeapType::kEq, HeapType::kExtern, HeapType::kAny, |
| HeapType::kI31}; |
| |
| for (HeapRep heap_type : heap_types) { |
| const ValueType types[] = {kWasmI32, ValueType::RefNull(heap_type)}; |
| const FunctionSig sig(1, 1, types); |
| // It works for nullable references. |
| ExpectValidates(&sig, {WASM_REF_IS_NULL(WASM_LOCAL_GET(0))}); |
| // It works for non-nullable references. |
| ExpectValidates( |
| &sig, {WASM_REF_IS_NULL(WASM_REF_AS_NON_NULL(WASM_LOCAL_GET(0)))}); |
| } |
| |
| // It fails if the argument type is not a reference type. |
| ExpectFailure( |
| sigs.v_v(), {WASM_REF_IS_NULL(WASM_I32V(0)), kExprDrop}, kAppendEnd, |
| "ref.is_null[0] expected reference type, found i32.const of type i32"); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, BrOnNull) { |
| HeapRep struct_type_index = Repr(builder.AddStruct({F(kWasmI32, true)})); |
| HeapRep array_type_index = Repr(builder.AddArray(kWasmI32, true)); |
| HeapRep type_reprs[] = {struct_type_index, array_type_index, HeapType::kFunc, |
| HeapType::kEq, HeapType::kExtern, HeapType::kAny, |
| HeapType::kI31, HeapType::kNone}; |
| |
| for (HeapRep type_repr : type_reprs) { |
| const ValueType reps[] = {ValueType::Ref(type_repr), |
| ValueType::RefNull(type_repr)}; |
| const FunctionSig sig(1, 1, reps); |
| ExpectValidates( |
| &sig, {WASM_BLOCK_R(reps[0], WASM_REF_AS_NON_NULL(WASM_LOCAL_GET(0)), |
| WASM_BR_ON_NULL(0, WASM_LOCAL_GET(0)), WASM_I32V(0), |
| kExprSelectWithType, 1, WASM_REF_TYPE(reps[0]))}); |
| // Should have block return value on stack before calling br_on_null. |
| ExpectFailure(&sig, |
| {WASM_BLOCK_R(reps[0], WASM_BR_ON_NULL(0, WASM_LOCAL_GET(0)), |
| WASM_I32V(0), kExprSelectWithType, 1, |
| WASM_REF_TYPE(reps[0]))}, |
| kAppendEnd, |
| "expected 1 elements on the stack for branch, found 0"); |
| } |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, BrOnNonNull) { |
| HeapRep struct_type_index = Repr(builder.AddStruct({F(kWasmI32, true)})); |
| HeapRep array_type_index = Repr(builder.AddArray(kWasmI32, true)); |
| HeapRep type_reprs[] = {struct_type_index, array_type_index, HeapType::kFunc, |
| HeapType::kEq, HeapType::kExtern, HeapType::kAny, |
| HeapType::kI31}; |
| |
| for (HeapRep type_repr : type_reprs) { |
| const ValueType reps[] = {ValueType::Ref(type_repr), |
| ValueType::RefNull(type_repr)}; |
| const FunctionSig sig(1, 1, reps); |
| ExpectValidates( |
| &sig, |
| {WASM_BLOCK_R(reps[0], WASM_BR_ON_NON_NULL(0, WASM_LOCAL_GET(0)), |
| WASM_RETURN(WASM_REF_AS_NON_NULL(WASM_LOCAL_GET(0))))}); |
| |
| // Wrong branch type. |
| ExpectFailure( |
| &sig, |
| {WASM_BLOCK_I(WASM_BR_ON_NON_NULL(0, WASM_LOCAL_GET(0)), |
| WASM_RETURN(WASM_REF_AS_NON_NULL(WASM_LOCAL_GET(0))))}, |
| kAppendEnd, |
| ("type error in branch[0] (expected i32, got " + reps[0].name() + ")") |
| .c_str()); |
| |
| // br_on_non_null does not leave a value on the stack. |
| ExpectFailure(&sig, {WASM_BR_ON_NON_NULL(0, WASM_LOCAL_GET(0))}, kAppendEnd, |
| "expected 1 elements on the stack for fallthru, found 0"); |
| } |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, GCStruct) { |
| ModuleTypeIndex struct_type_index = builder.AddStruct({F(kWasmI32, true)}); |
| ModuleTypeIndex array_type_index = builder.AddArray(kWasmI32, true); |
| ModuleTypeIndex immutable_struct_type_index = |
| builder.AddStruct({F(kWasmI32, false)}); |
| uint8_t field_index = 0; |
| |
| ValueType struct_type = ValueType::Ref(struct_type_index); |
| ValueType reps_i_r[] = {kWasmI32, struct_type}; |
| ValueType reps_f_r[] = {kWasmF32, struct_type}; |
| const FunctionSig sig_i_r(1, 1, reps_i_r); |
| const FunctionSig sig_v_r(0, 1, &struct_type); |
| const FunctionSig sig_r_v(1, 0, &struct_type); |
| const FunctionSig sig_f_r(1, 1, reps_f_r); |
| |
| /** struct.new **/ |
| ExpectValidates(&sig_r_v, {WASM_STRUCT_NEW(struct_type_index, WASM_I32V(0))}); |
| // Too few arguments. |
| ExpectFailure(&sig_r_v, |
| {WASM_GC_OP(kExprStructNew), ToByte(struct_type_index)}, |
| kAppendEnd, |
| "not enough arguments on the stack for struct.new " |
| "(need 1, got 0)"); |
| // Too many arguments. |
| ExpectFailure( |
| &sig_r_v, |
| {WASM_STRUCT_NEW(struct_type_index, WASM_I32V(0), WASM_I32V(1))}, |
| kAppendEnd, "expected 1 elements on the stack for fallthru, found 2"); |
| // Mistyped arguments. |
| ExpectFailure(&sig_v_r, |
| {WASM_STRUCT_NEW(struct_type_index, WASM_LOCAL_GET(0))}, |
| kAppendEnd, |
| "struct.new[0] expected type i32, found local.get of " |
| "type (ref 0)"); |
| // Wrongly typed index. |
| ExpectFailure(sigs.v_v(), |
| {WASM_STRUCT_NEW(array_type_index, WASM_I32V(0)), kExprDrop}, |
| kAppendEnd, "invalid struct index: 1"); |
| // Out-of-bounds index. |
| ExpectFailure(sigs.v_v(), {WASM_STRUCT_NEW(42, WASM_I32V(0)), kExprDrop}, |
| kAppendEnd, "invalid struct index: 42"); |
| |
| /** struct.get **/ |
| ExpectValidates(&sig_i_r, {WASM_STRUCT_GET(struct_type_index, field_index, |
| WASM_LOCAL_GET(0))}); |
| // With non-nullable struct. |
| ExpectValidates(&sig_i_r, |
| {WASM_STRUCT_GET(struct_type_index, field_index, |
| WASM_REF_AS_NON_NULL(WASM_LOCAL_GET(0)))}); |
| // Wrong index. |
| ExpectFailure( |
| &sig_v_r, |
| {WASM_STRUCT_GET(struct_type_index, field_index + 1, WASM_LOCAL_GET(0)), |
| kExprDrop}, |
| kAppendEnd, "invalid field index: 1"); |
| // Mistyped expected type. |
| ExpectFailure( |
| &sig_f_r, |
| {WASM_STRUCT_GET(struct_type_index, field_index, WASM_LOCAL_GET(0))}, |
| kAppendEnd, "type error in fallthru[0] (expected f32, got i32)"); |
| |
| /** struct.set **/ |
| ExpectValidates(&sig_v_r, {WASM_STRUCT_SET(struct_type_index, field_index, |
| WASM_LOCAL_GET(0), WASM_I32V(0))}); |
| // Non-nullable struct. |
| ExpectValidates( |
| &sig_v_r, |
| {WASM_STRUCT_SET(struct_type_index, field_index, |
| WASM_REF_AS_NON_NULL(WASM_LOCAL_GET(0)), WASM_I32V(0))}); |
| // Wrong index. |
| ExpectFailure(&sig_v_r, |
| {WASM_STRUCT_SET(struct_type_index, field_index + 1, |
| WASM_LOCAL_GET(0), WASM_I32V(0))}, |
| kAppendEnd, "invalid field index: 1"); |
| // Mistyped input. |
| ExpectFailure(&sig_v_r, |
| {WASM_STRUCT_SET(struct_type_index, field_index, |
| WASM_LOCAL_GET(0), WASM_I64V(0))}, |
| kAppendEnd, |
| "struct.set[1] expected type i32, found i64.const of type i64"); |
| // Expecting output. |
| ExpectFailure(&sig_i_r, |
| {WASM_STRUCT_SET(struct_type_index, field_index, |
| WASM_LOCAL_GET(0), WASM_I32V(0))}, |
| kAppendEnd, |
| "expected 1 elements on the stack for fallthru, found 0"); |
| // Setting immutable field. |
| ExpectFailure(sigs.v_v(), |
| {WASM_STRUCT_SET( |
| immutable_struct_type_index, field_index, |
| WASM_STRUCT_NEW(immutable_struct_type_index, WASM_I32V(42)), |
| WASM_I32V(0))}, |
| kAppendEnd, "struct.set: Field 0 of type 2 is immutable."); |
| |
| // struct.get_s/u fail |
| ExpectFailure( |
| &sig_i_r, |
| {WASM_STRUCT_GET_S(struct_type_index, field_index, WASM_LOCAL_GET(0))}, |
| kAppendEnd, |
| "struct.get_s: Immediate field 0 of type 0 has non-packed type i32. Use " |
| "struct.get instead."); |
| |
| ExpectFailure( |
| &sig_i_r, |
| {WASM_STRUCT_GET_U(struct_type_index, field_index, WASM_LOCAL_GET(0))}, |
| kAppendEnd, |
| "struct.get_u: Immediate field 0 of type 0 has non-packed type i32. Use " |
| "struct.get instead."); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, GCArray) { |
| ModuleTypeIndex array_type_index = builder.AddArray(kWasmFuncRef, true); |
| ModuleTypeIndex struct_type_index = builder.AddStruct({F(kWasmI32, false)}); |
| ModuleTypeIndex immutable_array_type_index = |
| builder.AddArray(kWasmI32, false); |
| |
| ValueType array_type = ValueType::Ref(array_type_index); |
| ValueType immutable_array_type = ValueType::Ref(immutable_array_type_index); |
| ValueType reps_c_r[] = {kWasmFuncRef, array_type}; |
| ValueType reps_f_r[] = {kWasmF32, array_type}; |
| ValueType reps_i_r[] = {kWasmI32, array_type}; |
| ValueType reps_i_a[] = {kWasmI32, kWasmArrayRef}; |
| ValueType reps_i_s[] = {kWasmI32, ValueType::Ref(struct_type_index)}; |
| const FunctionSig sig_c_r(1, 1, reps_c_r); |
| const FunctionSig sig_v_r(0, 1, &array_type); |
| const FunctionSig sig_v_r2(0, 1, &immutable_array_type); |
| const FunctionSig sig_r_v(1, 0, &array_type); |
| const FunctionSig sig_f_r(1, 1, reps_f_r); |
| const FunctionSig sig_v_cr(0, 2, reps_c_r); |
| const FunctionSig sig_i_r(1, 1, reps_i_r); |
| const FunctionSig sig_i_a(1, 1, reps_i_a); |
| const FunctionSig sig_i_s(1, 1, reps_i_s); |
| |
| /** array.new **/ |
| ExpectValidates(&sig_r_v, |
| {WASM_ARRAY_NEW(array_type_index, WASM_REF_NULL(kFuncRefCode), |
| WASM_I32V(10))}); |
| // Too few arguments. |
| ExpectFailure( |
| &sig_r_v, |
| {WASM_I32V(10), WASM_GC_OP(kExprArrayNew), ToByte(array_type_index)}, |
| kAppendEnd, |
| "not enough arguments on the stack for array.new " |
| "(need 2, got 1)"); |
| // Mistyped initializer. |
| ExpectFailure(&sig_r_v, |
| {WASM_ARRAY_NEW(array_type_index, WASM_REF_NULL(kExternRefCode), |
| WASM_I32V(10))}, |
| kAppendEnd, |
| "array.new[0] expected type funcref, found ref.null " |
| "of type externref"); |
| // Mistyped length. |
| ExpectFailure(&sig_r_v, |
| {WASM_ARRAY_NEW(array_type_index, WASM_REF_NULL(kFuncRefCode), |
| WASM_I64V(5))}, |
| kAppendEnd, |
| "array.new[1] expected type i32, found i64.const of type i64"); |
| // Wrong type index. |
| ExpectFailure(sigs.v_v(), |
| {WASM_ARRAY_NEW(struct_type_index, WASM_REF_NULL(kFuncRefCode), |
| WASM_I32V(10)), |
| kExprDrop}, |
| kAppendEnd, "invalid array index: 1"); |
| |
| /** array.get **/ |
| ExpectValidates(&sig_c_r, {WASM_ARRAY_GET(array_type_index, WASM_LOCAL_GET(0), |
| WASM_I32V(5))}); |
| // With non-nullable array type. |
| ExpectValidates( |
| &sig_c_r, |
| {WASM_ARRAY_GET(array_type_index, WASM_REF_AS_NON_NULL(WASM_LOCAL_GET(0)), |
| WASM_I32V(5))}); |
| // Wrongly typed index. |
| ExpectFailure( |
| &sig_v_r, |
| {WASM_ARRAY_GET(array_type_index, WASM_LOCAL_GET(0), WASM_I64V(5)), |
| kExprDrop}, |
| kAppendEnd, |
| "array.get[1] expected type i32, found i64.const of type i64"); |
| // Mistyped expected type. |
| ExpectFailure( |
| &sig_f_r, |
| {WASM_ARRAY_GET(array_type_index, WASM_LOCAL_GET(0), WASM_I32V(5))}, |
| kAppendEnd, "type error in fallthru[0] (expected f32, got funcref)"); |
| |
| // array.get_s/u fail. |
| ExpectFailure( |
| &sig_c_r, |
| {WASM_ARRAY_GET_S(array_type_index, WASM_LOCAL_GET(0), WASM_I32V(5))}, |
| kAppendEnd, |
| "array.get_s: Immediate array type 0 has non-packed type funcref. Use " |
| "array.get instead."); |
| ExpectFailure( |
| &sig_c_r, |
| {WASM_ARRAY_GET_U(array_type_index, WASM_LOCAL_GET(0), WASM_I32V(5))}, |
| kAppendEnd, |
| "array.get_u: Immediate array type 0 has non-packed type funcref. Use " |
| "array.get instead."); |
| |
| /** array.set **/ |
| ExpectValidates(&sig_v_r, |
| {WASM_ARRAY_SET(array_type_index, WASM_LOCAL_GET(0), |
| WASM_I32V(42), WASM_REF_NULL(kFuncRefCode))}); |
| // With non-nullable array type. |
| ExpectValidates( |
| &sig_v_cr, |
| {WASM_ARRAY_SET(array_type_index, WASM_LOCAL_GET(1), WASM_I32V(42), |
| WASM_REF_AS_NON_NULL(WASM_LOCAL_GET(0)))}); |
| // Non-array type index. |
| ExpectFailure(&sig_v_cr, |
| {WASM_ARRAY_SET(struct_type_index, WASM_LOCAL_GET(1), |
| WASM_I32V(42), WASM_LOCAL_GET(0))}, |
| kAppendEnd, "invalid array index: 1"); |
| // Wrongly typed index. |
| ExpectFailure(&sig_v_cr, |
| {WASM_ARRAY_SET(array_type_index, WASM_LOCAL_GET(1), |
| WASM_I64V(42), WASM_LOCAL_GET(0))}, |
| kAppendEnd, |
| "array.set[1] expected type i32, found i64.const of type i64"); |
| // Wrongly typed value. |
| ExpectFailure( |
| &sig_v_cr, |
| {WASM_ARRAY_SET(array_type_index, WASM_LOCAL_GET(1), WASM_I32V(42), |
| WASM_I64V(0))}, |
| kAppendEnd, |
| "array.set[2] expected type funcref, found i64.const of type i64"); |
| |
| /** array.len **/ |
| // Works both with conrete array types and arrayref. |
| ExpectValidates(&sig_i_r, {WASM_ARRAY_LEN(WASM_LOCAL_GET(0))}); |
| ExpectValidates(&sig_i_a, {WASM_ARRAY_LEN(WASM_LOCAL_GET(0))}); |
| // Wrong return type. |
| ExpectFailure(&sig_f_r, {WASM_ARRAY_LEN(WASM_LOCAL_GET(0))}, kAppendEnd, |
| "type error in fallthru[0] (expected f32, got i32)"); |
| // Non-array argument. |
| ExpectFailure( |
| &sig_i_s, {WASM_ARRAY_LEN(WASM_LOCAL_GET(0))}, kAppendEnd, |
| "array.len[0] expected type arrayref, found local.get of type (ref 1)"); |
| |
| // Immutable array. |
| // Allocating and reading is OK: |
| ExpectValidates( |
| sigs.i_v(), |
| {WASM_ARRAY_GET( |
| immutable_array_type_index, |
| WASM_ARRAY_NEW_FIXED(immutable_array_type_index, 1, WASM_I32V(42)), |
| WASM_I32V(0))}); |
| // Writing fails: |
| ExpectFailure(&sig_v_r2, |
| {WASM_ARRAY_SET(immutable_array_type_index, WASM_LOCAL_GET(0), |
| WASM_I32V(0), WASM_I32V(42))}, |
| kAppendEnd, "array.set: immediate array type 2 is immutable"); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, PackedFields) { |
| ModuleTypeIndex array_type_index = builder.AddArray(kWasmI8, true); |
| ModuleTypeIndex struct_type_index = builder.AddStruct({F(kWasmI16, true)}); |
| uint8_t field_index = 0; |
| |
| // *.new with packed fields works. |
| ExpectValidates(sigs.v_v(), |
| {WASM_ARRAY_NEW(array_type_index, WASM_I32V(0), WASM_I32V(5)), |
| kExprDrop}); |
| ExpectValidates( |
| sigs.v_v(), |
| {WASM_STRUCT_NEW(struct_type_index, WASM_I32V(42)), kExprDrop}); |
| // It can't unpack types other that i32. |
| ExpectFailure( |
| sigs.v_v(), |
| {WASM_ARRAY_NEW(array_type_index, WASM_I64V(0), WASM_I32V(5)), kExprDrop}, |
| kAppendEnd, |
| "array.new[0] expected type i32, found i64.const of type i64"); |
| ExpectFailure(sigs.v_v(), |
| {WASM_STRUCT_NEW(struct_type_index, WASM_I64V(42)), kExprDrop}, |
| kAppendEnd, |
| "struct.new[0] expected type i32, found i64.const of type i64"); |
| |
| // *.set with packed fields works. |
| ExpectValidates(sigs.v_v(), {WASM_ARRAY_SET(array_type_index, |
| WASM_REF_NULL(array_type_index), |
| WASM_I32V(0), WASM_I32V(5))}); |
| ExpectValidates(sigs.v_v(), {WASM_STRUCT_SET(struct_type_index, field_index, |
| WASM_REF_NULL(struct_type_index), |
| WASM_I32V(42))}); |
| // It can't unpack into types other that i32. |
| ExpectFailure( |
| sigs.v_v(), |
| {WASM_ARRAY_SET(array_type_index, WASM_REF_NULL(array_type_index), |
| WASM_I32V(0), WASM_I64V(5))}, |
| kAppendEnd, |
| "array.set[2] expected type i32, found i64.const of type i64"); |
| ExpectFailure( |
| sigs.v_v(), |
| {WASM_STRUCT_NEW(struct_type_index, field_index, |
| WASM_REF_NULL(struct_type_index), WASM_I64V(42))}, |
| kAppendEnd, |
| "struct.new[0] expected type i32, found i64.const of type i64"); |
| |
| // *.get_s/u works. |
| ExpectValidates(sigs.i_v(), {WASM_ARRAY_GET_S(array_type_index, |
| WASM_REF_NULL(array_type_index), |
| WASM_I32V(0))}); |
| ExpectValidates(sigs.i_v(), {WASM_ARRAY_GET_U(array_type_index, |
| WASM_REF_NULL(array_type_index), |
| WASM_I32V(0))}); |
| ExpectValidates(sigs.i_v(), |
| {WASM_STRUCT_GET_S(struct_type_index, field_index, |
| WASM_REF_NULL(struct_type_index))}); |
| ExpectValidates(sigs.i_v(), |
| {WASM_STRUCT_GET_U(struct_type_index, field_index, |
| WASM_REF_NULL(struct_type_index))}); |
| |
| // *.get fails. |
| ExpectFailure(sigs.i_v(), |
| {WASM_ARRAY_GET(array_type_index, |
| WASM_REF_NULL(array_type_index), WASM_I32V(0))}, |
| kAppendEnd, |
| "array.get: Immediate array type 0 has packed type i8. Use " |
| "array.get_s or array.get_u instead."); |
| ExpectFailure(sigs.i_v(), |
| {WASM_STRUCT_GET(struct_type_index, field_index, |
| WASM_REF_NULL(struct_type_index))}, |
| kAppendEnd, |
| "struct.get: Immediate field 0 of type 1 has packed type i16. " |
| "Use struct.get_s or struct.get_u instead."); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, PackedTypesAsLocals) { |
| AddLocals(kWasmI8, 1); |
| ExpectFailure(sigs.v_v(), {}, kAppendEnd, "invalid value type"); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, RefTestCast) { |
| WASM_FEATURE_SCOPE(exnref); |
| |
| HeapType array_heap = HeapType(builder.AddArray(kWasmI8, true)); |
| HeapType super_struct_heap = HeapType(builder.AddStruct({F(kWasmI16, true)})); |
| |
| HeapType sub_struct_heap = |
| HeapType(builder.AddStruct({F(kWasmI16, true), F(kWasmI32, false)})); |
| |
| HeapType func_heap_1 = HeapType(builder.AddSignature(sigs.i_i())); |
| HeapType func_heap_2 = HeapType(builder.AddSignature(sigs.i_v())); |
| |
| std::tuple<HeapType, HeapType, bool> tests[] = { |
| std::make_tuple(HeapType(HeapType::kArray), array_heap, true), |
| std::make_tuple(HeapType(HeapType::kStruct), super_struct_heap, true), |
| std::make_tuple(HeapType(HeapType::kFunc), func_heap_1, true), |
| std::make_tuple(func_heap_1, func_heap_1, true), |
| std::make_tuple(func_heap_1, func_heap_2, true), |
| std::make_tuple(super_struct_heap, sub_struct_heap, true), |
| std::make_tuple(array_heap, sub_struct_heap, true), |
| std::make_tuple(super_struct_heap, func_heap_1, false), |
| std::make_tuple(HeapType(HeapType::kEq), super_struct_heap, true), |
| std::make_tuple(HeapType(HeapType::kExtern), func_heap_1, false), |
| std::make_tuple(HeapType(HeapType::kAny), array_heap, true), |
| std::make_tuple(HeapType(HeapType::kI31), array_heap, true), |
| std::make_tuple(HeapType(HeapType::kNone), array_heap, true), |
| std::make_tuple(HeapType(HeapType::kNone), func_heap_1, false), |
| std::make_tuple(HeapType(HeapType::kExn), HeapType(HeapType::kExtern), |
| false), |
| std::make_tuple(HeapType(HeapType::kExn), HeapType(HeapType::kAny), |
| false), |
| }; |
| |
| for (auto [from_heap, to_heap, should_pass] : tests) { |
| SCOPED_TRACE("from_heap = " + from_heap.name() + |
| ", to_heap = " + to_heap.name()); |
| |
| ValueType test_reps[] = {kWasmI32, ValueType::RefNull(from_heap)}; |
| FunctionSig test_sig(1, 1, test_reps); |
| |
| ValueType cast_reps[] = {ValueType::RefNull(to_heap), |
| ValueType::RefNull(from_heap)}; |
| FunctionSig cast_sig(1, 1, cast_reps); |
| |
| if (should_pass) { |
| ExpectValidates(&test_sig, {WASM_REF_TEST(WASM_LOCAL_GET(0), |
| WASM_HEAP_TYPE(to_heap))}); |
| ExpectValidates(&cast_sig, {WASM_REF_CAST(WASM_LOCAL_GET(0), |
| WASM_HEAP_TYPE(to_heap))}); |
| ExpectValidates(&test_sig, {WASM_REF_TEST_NULL(WASM_LOCAL_GET(0), |
| WASM_HEAP_TYPE(to_heap))}); |
| ExpectValidates(&cast_sig, {WASM_REF_CAST_NULL(WASM_LOCAL_GET(0), |
| WASM_HEAP_TYPE(to_heap))}); |
| } else { |
| std::string error_message = |
| "local.get of type " + cast_reps[1].name() + |
| " has to be in the same reference type hierarchy as (ref " + |
| to_heap.name() + ")"; |
| ExpectFailure(&test_sig, |
| {WASM_REF_TEST(WASM_LOCAL_GET(0), WASM_HEAP_TYPE(to_heap))}, |
| kAppendEnd, |
| ("Invalid types for ref.test: " + error_message).c_str()); |
| ExpectFailure(&cast_sig, |
| {WASM_REF_CAST(WASM_LOCAL_GET(0), WASM_HEAP_TYPE(to_heap))}, |
| kAppendEnd, |
| ("Invalid types for ref.cast: " + error_message).c_str()); |
| ExpectFailure( |
| &test_sig, |
| {WASM_REF_TEST_NULL(WASM_LOCAL_GET(0), WASM_HEAP_TYPE(to_heap))}, |
| kAppendEnd, |
| ("Invalid types for ref.test null: " + error_message).c_str()); |
| ExpectFailure( |
| &cast_sig, |
| {WASM_REF_CAST_NULL(WASM_LOCAL_GET(0), WASM_HEAP_TYPE(to_heap))}, |
| kAppendEnd, |
| ("Invalid types for ref.cast null: " + error_message).c_str()); |
| } |
| } |
| |
| // Trivial type error. |
| ExpectFailure( |
| sigs.v_v(), |
| {WASM_REF_TEST(WASM_I32V(1), array_heap.representation()), kExprDrop}, |
| kAppendEnd, |
| "Invalid types for ref.test: i32.const of type i32 has to be " |
| "in the same reference type hierarchy as (ref 0)"); |
| ExpectFailure( |
| sigs.v_v(), |
| {WASM_REF_CAST(WASM_I32V(1), array_heap.representation()), kExprDrop}, |
| kAppendEnd, |
| "Invalid types for ref.cast: i32.const of type i32 has to be " |
| "in the same reference type hierarchy as (ref 0)"); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, BrOnCastOrCastFail) { |
| ModuleTypeIndex super_struct = builder.AddStruct({F(kWasmI16, true)}); |
| ModuleTypeIndex sub_struct = |
| builder.AddStruct({F(kWasmI16, true), F(kWasmI32, false)}, super_struct); |
| |
| ValueType supertype = ValueType::RefNull(super_struct); |
| ValueType subtype = ValueType::RefNull(sub_struct); |
| |
| ExpectValidates( |
| FunctionSig::Build(this->zone(), {kWasmI32, subtype}, {supertype}), |
| {WASM_I32V(42), WASM_LOCAL_GET(0), |
| WASM_BR_ON_CAST(0, super_struct, sub_struct), WASM_GC_OP(kExprRefCast), |
| ToByte(sub_struct)}); |
| ExpectValidates( |
| FunctionSig::Build(this->zone(), {kWasmI32, subtype}, {supertype}), |
| {WASM_I32V(42), WASM_LOCAL_GET(0), |
| WASM_BR_ON_CAST(0, super_struct, sub_struct), WASM_GC_OP(kExprRefCast), |
| ToByte(sub_struct)}); |
| ExpectValidates( |
| FunctionSig::Build(this->zone(), {kWasmI32, supertype}, {supertype}), |
| {WASM_I32V(42), WASM_LOCAL_GET(0), |
| WASM_BR_ON_CAST_FAIL(0, super_struct, sub_struct)}); |
| ExpectValidates( |
| FunctionSig::Build(this->zone(), {kWasmI32, supertype}, {supertype}), |
| {WASM_I32V(42), WASM_LOCAL_GET(0), |
| WASM_BR_ON_CAST_FAIL_NULL(0, super_struct, sub_struct)}); |
| |
| // Wrong branch type. |
| ExpectFailure( |
| FunctionSig::Build(this->zone(), {}, {supertype}), |
| {WASM_LOCAL_GET(0), WASM_BR_ON_CAST(0, super_struct, sub_struct), |
| WASM_UNREACHABLE}, |
| kAppendEnd, "br_on_cast must target a branch of arity at least 1"); |
| ExpectFailure( |
| FunctionSig::Build(this->zone(), {subtype}, {supertype}), |
| {WASM_I32V(42), WASM_LOCAL_GET(0), |
| WASM_BR_ON_CAST_FAIL(0, super_struct, sub_struct)}, |
| kAppendEnd, |
| "type error in branch[0] (expected (ref null 1), got (ref null 0))"); |
| ExpectFailure(FunctionSig::Build(this->zone(), {subtype}, {supertype}), |
| {WASM_I32V(42), WASM_LOCAL_GET(0), |
| WASM_BR_ON_CAST_FAIL_NULL(0, super_struct, sub_struct)}, |
| kAppendEnd, |
| "type error in branch[0] (expected (ref null 1), got (ref 0))"); |
| |
| // Wrong fallthrough type. |
| ExpectFailure( |
| FunctionSig::Build(this->zone(), {subtype}, {supertype}), |
| {WASM_LOCAL_GET(0), WASM_BR_ON_CAST(0, super_struct, sub_struct)}, |
| kAppendEnd, |
| "type error in fallthru[0] (expected (ref null 1), got (ref null 0))"); |
| ExpectFailure( |
| FunctionSig::Build(this->zone(), {supertype}, {supertype}), |
| {WASM_BLOCK_I(WASM_LOCAL_GET(0), |
| WASM_BR_ON_CAST_FAIL(0, super_struct, sub_struct))}, |
| kAppendEnd, "type error in branch[0] (expected i32, got (ref null 0))"); |
| ExpectFailure( |
| FunctionSig::Build(this->zone(), {supertype}, {supertype}), |
| {WASM_BLOCK_I(WASM_LOCAL_GET(0), |
| WASM_BR_ON_CAST_FAIL_NULL(0, super_struct, sub_struct))}, |
| kAppendEnd, "type error in branch[0] (expected i32, got (ref 0))"); |
| |
| // Wrong argument type. |
| ExpectFailure( |
| FunctionSig::Build(this->zone(), {subtype}, {kWasmExternRef}), |
| {WASM_LOCAL_GET(0), WASM_BR_ON_CAST(0, super_struct, sub_struct), |
| WASM_GC_OP(kExprRefCast), ToByte(sub_struct)}, |
| kAppendEnd, |
| "br_on_cast[0] expected type (ref null 0), found local.get of type " |
| "externref"); |
| ExpectFailure( |
| FunctionSig::Build(this->zone(), {subtype}, {kWasmExternRef}), |
| {WASM_LOCAL_GET(0), WASM_BR_ON_CAST_NULL(0, super_struct, sub_struct), |
| WASM_GC_OP(kExprRefCast), ToByte(sub_struct)}, |
| kAppendEnd, |
| "br_on_cast[0] expected type (ref null 0), found local.get of type " |
| "externref"); |
| ExpectFailure( |
| FunctionSig::Build(this->zone(), {supertype}, {kWasmExternRef}), |
| {WASM_LOCAL_GET(0), WASM_BR_ON_CAST_FAIL(0, super_struct, sub_struct)}, |
| kAppendEnd, |
| "br_on_cast_fail[0] expected type (ref null 0), found local.get of type " |
| "externref"); |
| ExpectFailure( |
| FunctionSig::Build(this->zone(), {supertype}, {kWasmExternRef}), |
| {WASM_LOCAL_GET(0), |
| WASM_BR_ON_CAST_FAIL_NULL(0, super_struct, sub_struct)}, |
| kAppendEnd, |
| "br_on_cast_fail[0] expected type (ref null 0), found local.get of " |
| "type externref"); |
| |
| // Wrong immediate type. |
| ExpectFailure( |
| FunctionSig::Build(this->zone(), {subtype}, {kWasmExternRef}), |
| {WASM_LOCAL_GET(0), WASM_BR_ON_CAST(0, kExternRefCode, sub_struct), |
| WASM_GC_OP(kExprRefCast), ToByte(sub_struct)}, |
| kAppendEnd, |
| "invalid types for br_on_cast: (ref 1) is not a subtype of externref"); |
| ExpectFailure( |
| FunctionSig::Build(this->zone(), {subtype}, {kWasmExternRef}), |
| {WASM_LOCAL_GET(0), WASM_BR_ON_CAST_NULL(0, kExternRefCode, sub_struct), |
| WASM_GC_OP(kExprRefCast), ToByte(sub_struct)}, |
| kAppendEnd, |
| "invalid types for br_on_cast: (ref null 1) is not a subtype of " |
| "externref"); |
| ExpectFailure( |
| FunctionSig::Build(this->zone(), {supertype}, {kWasmExternRef}), |
| {WASM_LOCAL_GET(0), WASM_BR_ON_CAST_FAIL(0, kExternRefCode, sub_struct)}, |
| kAppendEnd, |
| "invalid types for br_on_cast_fail: (ref 1) is not a subtype of " |
| "externref"); |
| ExpectFailure( |
| FunctionSig::Build(this->zone(), {supertype}, {kWasmExternRef}), |
| {WASM_LOCAL_GET(0), |
| WASM_BR_ON_CAST_FAIL_NULL(0, kExternRefCode, sub_struct)}, |
| kAppendEnd, |
| "invalid types for br_on_cast_fail: (ref null 1) is not a subtype " |
| "of externref"); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, BrOnAbstractType) { |
| ValueType kNonNullableFunc = ValueType::Ref(HeapType::kFunc); |
| |
| ExpectValidates( |
| FunctionSig::Build(this->zone(), {kWasmStructRef}, {kWasmAnyRef}), |
| {WASM_LOCAL_GET(0), WASM_BR_ON_CAST(0, kAnyRefCode, kStructRefCode), |
| WASM_GC_OP(kExprRefCast), kStructRefCode}); |
| ExpectValidates( |
| FunctionSig::Build(this->zone(), {kWasmAnyRef}, {kWasmAnyRef}), |
| {WASM_LOCAL_GET(0), |
| WASM_BR_ON_CAST_FAIL(0, kAnyRefCode, kStructRefCode)}); |
| ExpectValidates( |
| FunctionSig::Build(this->zone(), {kWasmI31Ref}, {kWasmAnyRef}), |
| {WASM_LOCAL_GET(0), WASM_BR_ON_CAST(0, kAnyRefCode, kI31RefCode), |
| WASM_GC_OP(kExprRefCast), kI31RefCode}); |
| ExpectValidates( |
| FunctionSig::Build(this->zone(), {kWasmAnyRef}, {kWasmAnyRef}), |
| {WASM_LOCAL_GET(0), WASM_BR_ON_CAST_FAIL(0, kAnyRefCode, kI31RefCode)}); |
| |
| // Wrong branch type. |
| ExpectFailure( |
| FunctionSig::Build(this->zone(), {}, {kWasmAnyRef}), |
| {WASM_LOCAL_GET(0), WASM_BR_ON_CAST(0, kAnyRefCode, kStructRefCode), |
| WASM_UNREACHABLE}, |
| kAppendEnd, "br_on_cast must target a branch of arity at least 1"); |
| ExpectFailure( |
| FunctionSig::Build(this->zone(), {kNonNullableFunc}, {kWasmAnyRef}), |
| {WASM_LOCAL_GET(0), WASM_BR_ON_CAST_FAIL(0, kAnyRefCode, kStructRefCode)}, |
| kAppendEnd, "type error in branch[0] (expected (ref func), got anyref)"); |
| |
| // Wrong fallthrough type. |
| ExpectFailure( |
| FunctionSig::Build(this->zone(), {kWasmStructRef}, {kWasmAnyRef}), |
| {WASM_LOCAL_GET(0), WASM_BR_ON_CAST(0, kAnyRefCode, kStructRefCode)}, |
| kAppendEnd, "type error in fallthru[0] (expected structref, got anyref)"); |
| ExpectFailure( |
| FunctionSig::Build(this->zone(), {kWasmAnyRef}, {kWasmAnyRef}), |
| {WASM_BLOCK_I(WASM_LOCAL_GET(0), |
| WASM_BR_ON_CAST_FAIL(0, kAnyRefCode, kStructRefCode))}, |
| kAppendEnd, "type error in branch[0] (expected i32, got anyref)"); |
| |
| // Argument type error. |
| ExpectFailure( |
| FunctionSig::Build(this->zone(), {kWasmI31Ref}, {kWasmI32}), |
| {WASM_LOCAL_GET(0), WASM_BR_ON_CAST(0, kAnyRefCode, kI31RefCode), |
| WASM_GC_OP(kExprRefCast), kI31RefCode}, |
| kAppendEnd, |
| "br_on_cast[0] expected type anyref, found local.get of type i32"); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, BrWithBottom) { |
| // Merging an unsatisfiable non-nullable (ref none) into a target that |
| // expects a non-null struct is OK. |
| ExpectValidates( |
| FunctionSig::Build(this->zone(), {ValueType::Ref(HeapType::kStruct)}, |
| {ValueType::Ref(HeapType::kStruct)}), |
| {WASM_BR_ON_NON_NULL(0, WASM_REF_NULL(ValueTypeCode::kNoneCode)), |
| WASM_LOCAL_GET(0)}); |
| // Merging the same value into a target that expects a value outside |
| // the "anyref" hierarchy is invalid... |
| ExpectFailure( |
| FunctionSig::Build(this->zone(), {kWasmFuncRef}, {kWasmFuncRef}), |
| {WASM_BR_ON_NON_NULL(0, WASM_REF_NULL(ValueTypeCode::kNoneCode)), |
| WASM_LOCAL_GET(0)}, |
| kAppendEnd, "type error in branch[0] (expected funcref, got (ref none))"); |
| // ...because it would have to be a (ref nofunc) in that case. |
| ExpectValidates( |
| FunctionSig::Build(this->zone(), {kWasmFuncRef}, {kWasmFuncRef}), |
| {WASM_BR_ON_NON_NULL(0, WASM_REF_NULL(ValueTypeCode::kNoFuncCode)), |
| WASM_LOCAL_GET(0)}); |
| // (ref nofunc) in turn doesn't match anyref. |
| ExpectFailure( |
| FunctionSig::Build(this->zone(), {kWasmAnyRef}, {kWasmAnyRef}), |
| {WASM_BR_ON_NON_NULL(0, WASM_REF_NULL(ValueTypeCode::kNoFuncCode)), |
| WASM_LOCAL_GET(0)}, |
| kAppendEnd, |
| "type error in branch[0] (expected anyref, got (ref nofunc))"); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, LocalTeeTyping) { |
| ModuleTypeIndex array_type = builder.AddArray(kWasmI8, true); |
| |
| ValueType types[] = {ValueType::Ref(array_type)}; |
| FunctionSig sig(1, 0, types); |
| |
| AddLocals(ValueType::RefNull(array_type), 1); |
| |
| ExpectFailure( |
| &sig, |
| {WASM_LOCAL_TEE(0, WASM_ARRAY_NEW_DEFAULT(array_type, WASM_I32V(5)))}, |
| kAppendEnd, "expected (ref 0), got (ref null 0)"); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, MergeNullableTypes) { |
| ModuleTypeIndex struct_type_index = builder.AddStruct({F(kWasmI32, true)}); |
| ValueType struct_type = refNull(struct_type_index); |
| FunctionSig loop_sig(0, 1, &struct_type); |
| ModuleTypeIndex loop_sig_index = builder.AddSignature(&loop_sig); |
| // Verifies that when a loop consuming a nullable type is entered with a |
| // statically known non-null value on the stack, its {start_merge_} can |
| // consume null values later. |
| // Regression test for crbug.com/1234453. |
| ExpectValidates(sigs.v_v(), |
| {WASM_GC_OP(kExprStructNewDefault), ToByte(struct_type_index), |
| WASM_LOOP_X(loop_sig_index, kExprDrop, kExprRefNull, |
| ToByte(struct_type_index), kExprBr, 0)}); |
| } |
| |
| // This tests that num_locals_ in decoder remains consistent, even if we fail |
| // mid-DecodeLocals(). |
| TEST_F(FunctionBodyDecoderTest, Regress_1154439) { |
| AddLocals(kWasmI32, 1); |
| AddLocals(kWasmI64, 1000000); |
| ExpectFailure(sigs.v_v(), {}, kAppendEnd, "local count too large"); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, DropOnEmptyStack) { |
| // Valid code: |
| ExpectValidates(sigs.v_v(), {kExprI32Const, 1, kExprDrop}, kAppendEnd); |
| // Invalid code (dropping from empty stack): |
| ExpectFailure(sigs.v_v(), {kExprDrop}, kAppendEnd, |
| "not enough arguments on the stack for drop"); |
| // Valid code (dropping from empty stack in unreachable code): |
| ExpectValidates(sigs.v_v(), {kExprUnreachable, kExprDrop}, kAppendEnd); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, AnyConvertExtern) { |
| ExpectValidates(FunctionSig::Build(zone(), {kWasmAnyRef}, {}), |
| {WASM_GC_ANY_CONVERT_EXTERN(WASM_REF_NULL(kNoExternCode))}); |
| ExpectValidates(FunctionSig::Build(zone(), {kWasmAnyRef}, {kWasmExternRef}), |
| {WASM_GC_ANY_CONVERT_EXTERN(WASM_LOCAL_GET(0))}); |
| ExpectValidates( |
| FunctionSig::Build(zone(), {kWasmAnyRef}, {kWasmExternRef.AsNonNull()}), |
| {WASM_GC_ANY_CONVERT_EXTERN(WASM_LOCAL_GET(0))}); |
| ExpectFailure(FunctionSig::Build(zone(), {kWasmAnyRef}, {}), |
| {WASM_GC_ANY_CONVERT_EXTERN(kExprNop)}, kAppendEnd, |
| "not enough arguments on the stack for any.convert_extern " |
| "(need 1, got 0)"); |
| ExpectFailure( |
| FunctionSig::Build(zone(), {kWasmAnyRef.AsNonNull()}, {kWasmExternRef}), |
| {WASM_GC_ANY_CONVERT_EXTERN(WASM_LOCAL_GET(0))}, kAppendEnd, |
| "type error in fallthru[0] (expected (ref any), got anyref)"); |
| ExpectFailure(FunctionSig::Build(zone(), {kWasmAnyRef}, {kWasmAnyRef}), |
| {WASM_GC_ANY_CONVERT_EXTERN(WASM_LOCAL_GET(0))}, kAppendEnd, |
| "any.convert_extern[0] expected type externref, found " |
| "local.get of type anyref"); |
| } |
| |
| TEST_F(FunctionBodyDecoderTest, ExternConvertAny) { |
| ExpectValidates(FunctionSig::Build(zone(), {kWasmExternRef}, {}), |
| {WASM_GC_EXTERN_CONVERT_ANY(WASM_REF_NULL(kNoneCode))}); |
| ExpectValidates(FunctionSig::Build(zone(), {kWasmExternRef}, {kWasmAnyRef}), |
| {WASM_GC_EXTERN_CONVERT_ANY(WASM_LOCAL_GET(0))}); |
| ExpectValidates( |
| FunctionSig::Build(zone(), {kWasmExternRef}, {kWasmAnyRef.AsNonNull()}), |
| {WASM_GC_EXTERN_CONVERT_ANY(WASM_LOCAL_GET(0))}); |
| ExpectFailure(FunctionSig::Build(zone(), {kWasmExternRef}, {}), |
| {WASM_GC_EXTERN_CONVERT_ANY(kExprNop)}, kAppendEnd, |
| "not enough arguments on the stack for extern.convert_any " |
| "(need 1, got 0)"); |
| ExpectFailure( |
| FunctionSig::Build(zone(), {kWasmExternRef.AsNonNull()}, {kWasmAnyRef}), |
| {WASM_GC_EXTERN_CONVERT_ANY(WASM_LOCAL_GET(0))}, kAppendEnd, |
| "type error in fallthru[0] (expected (ref extern), got externref)"); |
| ExpectFailure(FunctionSig::Build(zone(), {kWasmExternRef}, {kWasmExternRef}), |
| {WASM_GC_EXTERN_CONVERT_ANY(WASM_LOCAL_GET(0))}, kAppendEnd, |
| "extern.convert_any[0] expected type anyref, found " |
| "local.get of type externref"); |
| } |
| |
| class BranchTableIteratorTest : public TestWithZone { |
| public: |
| BranchTableIteratorTest() : TestWithZone() {} |
| void CheckBrTableSize(const uint8_t* start, const uint8_t* end) { |
| Decoder decoder(start, end); |
| BranchTableImmediate operand(&decoder, start + 1, Decoder::kFullValidation); |
| BranchTableIterator<Decoder::FullValidationTag> iterator(&decoder, operand); |
| EXPECT_EQ(end - start - 1u, iterator.length()); |
| EXPECT_OK(decoder); |
| } |
| void CheckBrTableError(const uint8_t* start, const uint8_t* end) { |
| Decoder decoder(start, end); |
| BranchTableImmediate operand(&decoder, start + 1, Decoder::kFullValidation); |
| BranchTableIterator<Decoder::FullValidationTag> iterator(&decoder, operand); |
| iterator.length(); |
| EXPECT_FALSE(decoder.ok()); |
| } |
| }; |
| |
| #define CHECK_BR_TABLE_LENGTH(...) \ |
| { \ |
| static uint8_t code[] = {kExprBrTable, __VA_ARGS__}; \ |
| CheckBrTableSize(code, code + sizeof(code)); \ |
| } |
| |
| #define CHECK_BR_TABLE_ERROR(...) \ |
| { \ |
| static uint8_t code[] = {kExprBrTable, __VA_ARGS__}; \ |
| CheckBrTableError(code, code + sizeof(code)); \ |
| } |
| |
| TEST_F(BranchTableIteratorTest, count0) { |
| CHECK_BR_TABLE_LENGTH(0, U32V_1(1)); |
| CHECK_BR_TABLE_LENGTH(0, U32V_2(200)); |
| CHECK_BR_TABLE_LENGTH(0, U32V_3(30000)); |
| CHECK_BR_TABLE_LENGTH(0, U32V_4(400000)); |
| |
| CHECK_BR_TABLE_LENGTH(0, U32V_1(2)); |
| CHECK_BR_TABLE_LENGTH(0, U32V_2(300)); |
| CHECK_BR_TABLE_LENGTH(0, U32V_3(40000)); |
| CHECK_BR_TABLE_LENGTH(0, U32V_4(500000)); |
| } |
| |
| TEST_F(BranchTableIteratorTest, count1) { |
| CHECK_BR_TABLE_LENGTH(1, U32V_1(1), U32V_1(6)); |
| CHECK_BR_TABLE_LENGTH(1, U32V_2(200), U32V_1(8)); |
| CHECK_BR_TABLE_LENGTH(1, U32V_3(30000), U32V_1(9)); |
| CHECK_BR_TABLE_LENGTH(1, U32V_4(400000), U32V_1(11)); |
| |
| CHECK_BR_TABLE_LENGTH(1, U32V_1(2), U32V_2(6)); |
| CHECK_BR_TABLE_LENGTH(1, U32V_2(300), U32V_2(7)); |
| CHECK_BR_TABLE_LENGTH(1, U32V_3(40000), U32V_2(8)); |
| CHECK_BR_TABLE_LENGTH(1, U32V_4(500000), U32V_2(9)); |
| } |
| |
| TEST_F(BranchTableIteratorTest, error0) { |
| CHECK_BR_TABLE_ERROR(0); |
| CHECK_BR_TABLE_ERROR(1, U32V_1(33)); |
| } |
| |
| #undef CHECK_BR_TABLE_LENGTH |
| #undef CHECK_BR_TABLE_ERROR |
| |
| struct PrintOpcodes { |
| const uint8_t* start; |
| const uint8_t* end; |
| }; |
| std::ostream& operator<<(std::ostream& out, const PrintOpcodes& range) { |
| out << "First opcode: \"" |
| << WasmOpcodes::OpcodeName(static_cast<WasmOpcode>(*range.start)) |
| << "\"\nall bytes: ["; |
| for (const uint8_t* b = range.start; b < range.end; ++b) { |
| out << (b == range.start ? "" : ", ") << uint32_t{*b} << "/" |
| << AsHex(*b, 2, true); |
| } |
| return out << "]"; |
| } |
| |
| class WasmOpcodeLengthTest : public TestWithZone { |
| public: |
| WasmOpcodeLengthTest() : TestWithZone() {} |
| |
| template <typename... Bytes> |
| void ExpectLength(unsigned expected, Bytes... bytes) { |
| const uint8_t code[] = { |
| static_cast<uint8_t>(bytes)..., 0, 0, 0, 0, 0, 0, 0, 0}; |
| EXPECT_EQ(expected, OpcodeLength(code, code + sizeof(code))) |
| << PrintOpcodes{code, code + sizeof...(bytes)}; |
| } |
| |
| // Helper to check for prefixed opcodes, which can have multiple bytes. |
| void ExpectLengthPrefixed(unsigned operands, WasmOpcode opcode) { |
| uint8_t prefix = WasmOpcodes::ExtractPrefix(opcode); |
| DCHECK(WasmOpcodes::IsPrefixOpcode(static_cast<WasmOpcode>(prefix))); |
| uint16_t index = ExtractPrefixedOpcodeBytes(opcode); |
| uint8_t encoded[2] = {0, 0}; |
| uint8_t* p = encoded; |
| unsigned len = static_cast<unsigned>(LEBHelper::sizeof_u32v(index)); |
| DCHECK_GE(2, len); |
| LEBHelper::write_u32v(&p, index); |
| // length of index, + number of operands + prefix bye |
| ExpectLength(len + operands + 1, prefix, encoded[0], encoded[1]); |
| } |
| |
| template <typename... Bytes> |
| void ExpectFailure(Bytes... bytes) { |
| const uint8_t code[] = { |
| static_cast<uint8_t>(bytes)..., 0, 0, 0, 0, 0, 0, 0, 0}; |
| WasmDetectedFeatures detected_features; |
| constexpr bool kIsShared = false; // TODO(14616): Extend this. |
| WasmDecoder<Decoder::FullValidationTag> decoder( |
| this->zone(), nullptr, WasmEnabledFeatures::None(), &detected_features, |
| nullptr, kIsShared, code, code + sizeof(code), 0); |
| WasmDecoder<Decoder::FullValidationTag>::OpcodeLength(&decoder, code); |
| EXPECT_TRUE(decoder.failed()); |
| } |
| |
| void ExpectNonFailure(WasmOpcode opcode) { |
| uint8_t maybe_prefix = WasmOpcodes::ExtractPrefix(opcode); |
| uint8_t bytes[32]{0}; |
| if (WasmOpcodes::IsPrefixOpcode(static_cast<WasmOpcode>(maybe_prefix))) { |
| bytes[0] = maybe_prefix; |
| uint16_t index = ExtractPrefixedOpcodeBytes(opcode); |
| uint8_t* p = &bytes[1]; |
| LEBHelper::write_u32v(&p, index); |
| } else { |
| DCHECK_LE(static_cast<uint32_t>(opcode), 0xFF); |
| bytes[0] = static_cast<uint8_t>(opcode); |
| // Special case: select_with_type insists on a {1} immediate. |
| if (opcode == kExprSelectWithType) { |
| bytes[1] = 1; |
| bytes[2] = kAnyRefCode; |
| } |
| } |
| WasmDetectedFeatures detected; |
| constexpr bool kIsShared = false; // TODO(14616): Extend this. |
| WasmDecoder<Decoder::FullValidationTag> decoder( |
| this->zone(), nullptr, WasmEnabledFeatures::All(), &detected, nullptr, |
| kIsShared, bytes, bytes + sizeof(bytes), 0); |
| WasmDecoder<Decoder::FullValidationTag>::OpcodeLength(&decoder, bytes); |
| EXPECT_TRUE(decoder.ok()) |
| << opcode << " aka " << WasmOpcodes::OpcodeName(opcode) << ": " |
| << decoder.error().message(); |
| } |
| }; |
| |
| TEST_F(WasmOpcodeLengthTest, AllOpcodesImplemented) { |
| // Make sure we didn't forget to add an opcode to the switch statements |
| // in the {OpcodeLength} function. Due to nested handling of prefixed |
| // opcodes, and the desire to support invalid modules, we can't rely on |
| // compiler warnings for non-exhaustive cases lists here. |
| #define OPCODE(opcode, ...) ExpectNonFailure(kExpr##opcode); |
| FOREACH_OPCODE(OPCODE) |
| #undef OPCODE |
| } |
| |
| TEST_F(WasmOpcodeLengthTest, Statements) { |
| ExpectLength(1, kExprNop); |
| ExpectLength(1, kExprElse); |
| ExpectLength(1, kExprEnd); |
| ExpectLength(1, kExprSelect); |
| ExpectLength(2, kExprCatch); |
| ExpectLength(2, kExprDelegate); |
| ExpectLength(2, kExprRethrow); |
| ExpectLength(2, kExprBr); |
| ExpectLength(2, kExprBrIf); |
| ExpectLength(2, kExprThrow); |
| ExpectLength(2, kExprBlock, kI32Code); |
| ExpectLength(2, kExprLoop, kI32Code); |
| ExpectLength(2, kExprIf, kI32Code); |
| ExpectLength(2, kExprTry, kI32Code); |
| } |
| |
| TEST_F(WasmOpcodeLengthTest, MiscExpressions) { |
| ExpectLength(5, kExprF32Const); |
| ExpectLength(9, kExprF64Const); |
| ExpectLength(2, kExprRefNull); |
| ExpectLength(2, kExprLocalGet); |
| ExpectLength(2, kExprLocalSet); |
| ExpectLength(2, kExprGlobalGet); |
| ExpectLength(2, kExprGlobalSet); |
| ExpectLength(2, kExprCallFunction); |
| ExpectLength(3, kExprCallIndirect); |
| ExpectLength(3, kExprSelectWithType, 1, kI32Code); |
| } |
| |
| TEST_F(WasmOpcodeLengthTest, I32Const) { |
| ExpectLength(2, kExprI32Const, U32V_1(1)); |
| ExpectLength(3, kExprI32Const, U32V_2(999)); |
| ExpectLength(4, kExprI32Const, U32V_3(9999)); |
| ExpectLength(5, kExprI32Const, U32V_4(999999)); |
| ExpectLength(6, kExprI32Const, U32V_5(99999999)); |
| } |
| |
| TEST_F(WasmOpcodeLengthTest, I64Const) { |
| ExpectLength(2, kExprI64Const, U32V_1(1)); |
| ExpectLength(3, kExprI64Const, U32V_2(99)); |
| ExpectLength(4, kExprI64Const, U32V_3(9999)); |
| ExpectLength(5, kExprI64Const, U32V_4(99999)); |
| ExpectLength(6, kExprI64Const, U32V_5(9999999)); |
| ExpectLength(7, WASM_I64V_6(777777)); |
| ExpectLength(8, WASM_I64V_7(7777777)); |
| ExpectLength(9, WASM_I64V_8(77777777)); |
| ExpectLength(10, WASM_I64V_9(777777777)); |
| } |
| |
| TEST_F(WasmOpcodeLengthTest, VariableLength) { |
| ExpectLength(2, kExprGlobalGet, U32V_1(1)); |
| ExpectLength(3, kExprGlobalGet, U32V_2(33)); |
| ExpectLength(4, kExprGlobalGet, U32V_3(44)); |
| ExpectLength(5, kExprGlobalGet, U32V_4(66)); |
| ExpectLength(6, kExprGlobalGet, U32V_5(77)); |
| |
| ExpectLength(2, kExprRefFunc, U32V_1(1)); |
| ExpectLength(3, kExprRefFunc, U32V_2(33)); |
| ExpectLength(4, kExprRefFunc, U32V_3(44)); |
| ExpectLength(5, kExprRefFunc, U32V_4(66)); |
| ExpectLength(6, kExprRefFunc, U32V_5(77)); |
| |
| ExpectLength(2, kExprTableGet, U32V_1(1)); |
| ExpectLength(3, kExprTableGet, U32V_2(33)); |
| ExpectLength(4, kExprTableGet, U32V_3(44)); |
| ExpectLength(5, kExprTableGet, U32V_4(66)); |
| ExpectLength(6, kExprTableGet, U32V_5(77)); |
| |
| ExpectLength(2, kExprTableSet, U32V_1(1)); |
| ExpectLength(3, kExprTableSet, U32V_2(33)); |
| ExpectLength(4, kExprTableSet, U32V_3(44)); |
| ExpectLength(5, kExprTableSet, U32V_4(66)); |
| ExpectLength(6, kExprTableSet, U32V_5(77)); |
| |
| ExpectLength(3, kExprCallIndirect, U32V_1(1), U32V_1(1)); |
| ExpectLength(4, kExprCallIndirect, U32V_1(1), U32V_2(33)); |
| ExpectLength(5, kExprCallIndirect, U32V_1(1), U32V_3(44)); |
| ExpectLength(6, kExprCallIndirect, U32V_1(1), U32V_4(66)); |
| ExpectLength(7, kExprCallIndirect, U32V_1(1), U32V_5(77)); |
| } |
| |
| TEST_F(WasmOpcodeLengthTest, LoadsAndStores) { |
| ExpectLength(3, kExprI32LoadMem8S); |
| ExpectLength(3, kExprI32LoadMem8U); |
| ExpectLength(3, kExprI32LoadMem16S); |
| ExpectLength(3, kExprI32LoadMem16U); |
| ExpectLength(3, kExprI32LoadMem); |
| ExpectLength(3, kExprI64LoadMem8S); |
| ExpectLength(3, kExprI64LoadMem8U); |
| ExpectLength(3, kExprI64LoadMem16S); |
| ExpectLength(3, kExprI64LoadMem16U); |
| ExpectLength(3, kExprI64LoadMem32S); |
| ExpectLength(3, kExprI64LoadMem32U); |
| ExpectLength(3, kExprI64LoadMem); |
| ExpectLength(3, kExprF32LoadMem); |
| ExpectLength(3, kExprF64LoadMem); |
| |
| ExpectLength(3, kExprI32StoreMem8); |
| ExpectLength(3, kExprI32StoreMem16); |
| ExpectLength(3, kExprI32StoreMem); |
| ExpectLength(3, kExprI64StoreMem8); |
| ExpectLength(3, kExprI64StoreMem16); |
| ExpectLength(3, kExprI64StoreMem32); |
| ExpectLength(3, kExprI64StoreMem); |
| ExpectLength(3, kExprF32StoreMem); |
| ExpectLength(3, kExprF64StoreMem); |
| } |
| |
| TEST_F(WasmOpcodeLengthTest, MiscMemExpressions) { |
| ExpectLength(2, kExprMemorySize); |
| ExpectLength(2, kExprMemoryGrow); |
| } |
| |
| TEST_F(WasmOpcodeLengthTest, SimpleExpressions) { |
| #define SIMPLE_OPCODE(name, byte, ...) byte, |
| static constexpr uint8_t kSimpleOpcodes[] = { |
| FOREACH_SIMPLE_OPCODE(SIMPLE_OPCODE)}; |
| #undef SIMPLE_OPCODE |
| for (uint8_t simple_opcode : kSimpleOpcodes) { |
| ExpectLength(1, simple_opcode); |
| } |
| } |
| |
| TEST_F(WasmOpcodeLengthTest, SimdExpressions) { |
| #define TEST_SIMD(name, ...) ExpectLengthPrefixed(0, kExpr##name); |
| FOREACH_SIMD_0_OPERAND_OPCODE(TEST_SIMD) |
| #undef TEST_SIMD |
| #define TEST_SIMD(name, ...) ExpectLengthPrefixed(1, kExpr##name); |
| FOREACH_SIMD_1_OPERAND_OPCODE(TEST_SIMD) |
| #undef TEST_SIMD |
| ExpectLengthPrefixed(16, kExprI8x16Shuffle); |
| // test for bad simd opcode, 0xFF is encoded in two bytes. |
| ExpectLength(3, kSimdPrefix, 0xFF, 0x1); |
| } |
| |
| TEST_F(WasmOpcodeLengthTest, IllegalRefIndices) { |
| ExpectFailure(kExprBlock, kRefNullCode, U32V_3(kV8MaxWasmTypes + 1)); |
| ExpectFailure(kExprBlock, kRefNullCode, U32V_4(0x01000000)); |
| } |
| |
| TEST_F(WasmOpcodeLengthTest, GCOpcodes) { |
| // br_on_cast[_fail]: prefix + opcode + flags + br_depth + source_type + |
| // target_type |
| ExpectLength(6, 0xfb, kExprBrOnCast & 0xFF); |
| ExpectLength(6, 0xfb, kExprBrOnCastFail & 0xFF); |
| |
| // struct.new, with leb immediate operand. |
| ExpectLength(3, 0xfb, 0x07, 0x42); |
| ExpectLength(4, 0xfb, 0x07, 0x80, 0x00); |
| |
| // string.new_utf8 with $mem=0. |
| ExpectLength(4, 0xfb, 0x80, 0x01, 0x00); |
| |
| // string.as_wtf8. |
| ExpectLength(3, 0xfb, 0x90, 0x01); |
| } |
| |
| TEST_F(WasmOpcodeLengthTest, PrefixedOpcodesLEB) { |
| // kExprI8x16Splat with a 3-byte LEB-encoded opcode. |
| ExpectLength(4, 0xfd, 0x8f, 0x80, 0x00); |
| |
| // kExprI32SConvertSatF32 with a 4-byte LEB-encoded opcode. |
| ExpectLength(5, 0xfc, 0x80, 0x80, 0x80, 0x00); |
| |
| // kExprAtomicNotify with a 2-byte LEB-encoded opcode, and 2 i32 imm for |
| // memarg. |
| ExpectLength(5, 0xfe, 0x80, 0x00, 0x00, 0x00); |
| } |
| |
| class TypeReaderTest : public TestWithZone { |
| public: |
| HeapType DecodeHeapType(const uint8_t* start, const uint8_t* end) { |
| Decoder decoder(start, end); |
| auto [heap_type, length] = |
| value_type_reader::read_heap_type<Decoder::FullValidationTag>( |
| &decoder, start, enabled_features_); |
| return heap_type; |
| } |
| |
| // This variable is modified by WASM_FEATURE_SCOPE. |
| WasmEnabledFeatures enabled_features_; |
| }; |
| |
| TEST_F(TypeReaderTest, HeapTypeDecodingTest) { |
| HeapType heap_func = HeapType(HeapType::kFunc); |
| HeapType heap_bottom = HeapType(HeapType::kBottom); |
| |
| // 1- to 5-byte representation of kFuncRefCode. |
| { |
| const uint8_t data[] = {kFuncRefCode}; |
| HeapType result = DecodeHeapType(data, data + sizeof(data)); |
| EXPECT_TRUE(result == heap_func); |
| } |
| { |
| const uint8_t data[] = {kFuncRefCode | 0x80, 0x7F}; |
| HeapType result = DecodeHeapType(data, data + sizeof(data)); |
| EXPECT_EQ(result, heap_func); |
| } |
| { |
| const uint8_t data[] = {kFuncRefCode | 0x80, 0xFF, 0x7F}; |
| HeapType result = DecodeHeapType(data, data + sizeof(data)); |
| EXPECT_EQ(result, heap_func); |
| } |
| { |
| const uint8_t data[] = {kFuncRefCode | 0x80, 0xFF, 0xFF, 0x7F}; |
| HeapType result = DecodeHeapType(data, data + sizeof(data)); |
| EXPECT_EQ(result, heap_func); |
| } |
| { |
| const uint8_t data[] = {kFuncRefCode | 0x80, 0xFF, 0xFF, 0xFF, 0x7F}; |
| HeapType result = DecodeHeapType(data, data + sizeof(data)); |
| EXPECT_EQ(result, heap_func); |
| } |
| |
| { |
| // Some negative number. |
| const uint8_t data[] = {0xB4, 0x7F}; |
| HeapType result = DecodeHeapType(data, data + sizeof(data)); |
| EXPECT_EQ(result, heap_bottom); |
| } |
| |
| { |
| // This differs from kFuncRefCode by one bit outside the 1-byte LEB128 |
| // range. This should therefore NOT be decoded as HeapType::kFunc and |
| // instead fail. |
| const uint8_t data[] = {kFuncRefCode | 0x80, 0x6F}; |
| HeapType result = DecodeHeapType(data, data + sizeof(data)); |
| EXPECT_EQ(result, heap_bottom); |
| } |
| } |
| |
| class LocalDeclDecoderTest : public TestWithZone { |
| public: |
| WasmEnabledFeatures enabled_features_; |
| |
| size_t ExpectRun(ValueType* local_types, size_t pos, ValueType expected, |
| size_t count) { |
| for (size_t i = 0; i < count; i++) { |
| EXPECT_EQ(expected, local_types[pos++]); |
| } |
| return pos; |
| } |
| |
| bool DecodeLocalDecls(BodyLocalDecls* decls, const uint8_t* start, |
| const uint8_t* end) { |
| WasmModule module; |
| constexpr bool kIsShared = false; // TODO(14616): Extend this. |
| return ValidateAndDecodeLocalDeclsForTesting( |
| enabled_features_, decls, &module, kIsShared, start, end, zone()); |
| } |
| }; |
| |
| TEST_F(LocalDeclDecoderTest, EmptyLocals) { |
| BodyLocalDecls decls; |
| bool result = DecodeLocalDecls(&decls, nullptr, nullptr); |
| EXPECT_FALSE(result); |
| } |
| |
| TEST_F(LocalDeclDecoderTest, NoLocals) { |
| static const uint8_t data[] = {0}; |
| BodyLocalDecls decls; |
| bool result = DecodeLocalDecls(&decls, data, data + sizeof(data)); |
| EXPECT_TRUE(result); |
| EXPECT_EQ(0u, decls.num_locals); |
| } |
| |
| TEST_F(LocalDeclDecoderTest, WrongLocalDeclsCount1) { |
| static const uint8_t data[] = {1}; |
| BodyLocalDecls decls; |
| bool result = DecodeLocalDecls(&decls, data, data + sizeof(data)); |
| EXPECT_FALSE(result); |
| } |
| |
| TEST_F(LocalDeclDecoderTest, WrongLocalDeclsCount2) { |
| static const uint8_t data[] = { |
| 2, 1, static_cast<uint8_t>(kWasmI32.value_type_code())}; |
| BodyLocalDecls decls; |
| bool result = DecodeLocalDecls(&decls, data, data + sizeof(data)); |
| EXPECT_FALSE(result); |
| } |
| |
| TEST_F(LocalDeclDecoderTest, OneLocal) { |
| for (size_t i = 0; i < arraysize(kValueTypes); i++) { |
| ValueType type = kValueTypes[i]; |
| const uint8_t data[] = {1, 1, static_cast<uint8_t>(type.value_type_code())}; |
| BodyLocalDecls decls; |
| bool result = DecodeLocalDecls(&decls, data, data + sizeof(data)); |
| EXPECT_TRUE(result); |
| EXPECT_EQ(1u, decls.num_locals); |
| |
| EXPECT_EQ(type, decls.local_types[0]); |
| } |
| } |
| |
| TEST_F(LocalDeclDecoderTest, FiveLocals) { |
| for (size_t i = 0; i < arraysize(kValueTypes); i++) { |
| ValueType type = kValueTypes[i]; |
| const uint8_t data[] = {1, 5, static_cast<uint8_t>(type.value_type_code())}; |
| BodyLocalDecls decls; |
| bool result = DecodeLocalDecls(&decls, data, data + sizeof(data)); |
| EXPECT_TRUE(result); |
| EXPECT_EQ(sizeof(data), decls.encoded_size); |
| EXPECT_EQ(5u, decls.num_locals); |
| ExpectRun(decls.local_types, 0, type, 5); |
| } |
| } |
| |
| TEST_F(LocalDeclDecoderTest, MixedLocals) { |
| for (uint8_t a = 0; a < 3; a++) { |
| for (uint8_t b = 0; b < 3; b++) { |
| for (uint8_t c = 0; c < 3; c++) { |
| for (uint8_t d = 0; d < 3; d++) { |
| const uint8_t data[] = {4, a, kI32Code, b, kI64Code, |
| c, kF32Code, d, kF64Code}; |
| BodyLocalDecls decls; |
| bool result = DecodeLocalDecls(&decls, data, data + sizeof(data)); |
| EXPECT_TRUE(result); |
| EXPECT_EQ(sizeof(data), decls.encoded_size); |
| EXPECT_EQ(static_cast<uint32_t>(a + b + c + d), decls.num_locals); |
| |
| size_t pos = 0; |
| pos = ExpectRun(decls.local_types, pos, kWasmI32, a); |
| pos = ExpectRun(decls.local_types, pos, kWasmI64, b); |
| pos = ExpectRun(decls.local_types, pos, kWasmF32, c); |
| pos = ExpectRun(decls.local_types, pos, kWasmF64, d); |
| } |
| } |
| } |
| } |
| } |
| |
| TEST_F(LocalDeclDecoderTest, UseEncoder) { |
| const uint8_t* data = nullptr; |
| const uint8_t* end = nullptr; |
| LocalDeclEncoder local_decls(zone()); |
| |
| local_decls.AddLocals(5, kWasmF32); |
| local_decls.AddLocals(1337, kWasmI32); |
| local_decls.AddLocals(212, kWasmI64); |
| local_decls.Prepend(zone(), &data, &end); |
| |
| BodyLocalDecls decls; |
| bool result = DecodeLocalDecls(&decls, data, end); |
| EXPECT_TRUE(result); |
| EXPECT_EQ(5u + 1337u + 212u, decls.num_locals); |
| |
| size_t pos = 0; |
| pos = ExpectRun(decls.local_types, pos, kWasmF32, 5); |
| pos = ExpectRun(decls.local_types, pos, kWasmI32, 1337); |
| pos = ExpectRun(decls.local_types, pos, kWasmI64, 212); |
| } |
| |
| TEST_F(LocalDeclDecoderTest, ExnRef) { |
| WASM_FEATURE_SCOPE(exnref); |
| const uint8_t data[] = {1, 1, |
| static_cast<uint8_t>(kWasmExnRef.value_type_code())}; |
| BodyLocalDecls decls; |
| bool result = DecodeLocalDecls(&decls, data, data + sizeof(data)); |
| EXPECT_TRUE(result); |
| EXPECT_EQ(1u, decls.num_locals); |
| EXPECT_EQ(kWasmExnRef, decls.local_types[0]); |
| } |
| |
| TEST_F(LocalDeclDecoderTest, InvalidTypeIndex) { |
| const uint8_t* data = nullptr; |
| const uint8_t* end = nullptr; |
| LocalDeclEncoder local_decls(zone()); |
| |
| local_decls.AddLocals(1, ValueType::RefNull(ModuleTypeIndex{0})); |
| BodyLocalDecls decls; |
| bool result = DecodeLocalDecls(&decls, data, end); |
| EXPECT_FALSE(result); |
| } |
| |
| class BytecodeIteratorTest : public TestWithZone {}; |
| |
| TEST_F(BytecodeIteratorTest, SimpleForeach) { |
| uint8_t code[] = {WASM_IF_ELSE(WASM_ZERO, WASM_ZERO, WASM_ZERO)}; |
| BytecodeIterator iter(code, code + sizeof(code)); |
| WasmOpcode expected[] = {kExprI32Const, kExprIf, kExprI32Const, |
| kExprElse, kExprI32Const, kExprEnd}; |
| size_t pos = 0; |
| for (WasmOpcode opcode : iter.opcodes()) { |
| if (pos >= arraysize(expected)) { |
| EXPECT_TRUE(false); |
| break; |
| } |
| EXPECT_EQ(expected[pos++], opcode); |
| } |
| EXPECT_EQ(arraysize(expected), pos); |
| } |
| |
| TEST_F(BytecodeIteratorTest, ForeachTwice) { |
| uint8_t code[] = {WASM_IF_ELSE(WASM_ZERO, WASM_ZERO, WASM_ZERO)}; |
| BytecodeIterator iter(code, code + sizeof(code)); |
| int count = 0; |
| |
| count = 0; |
| for (WasmOpcode opcode : iter.opcodes()) { |
| USE(opcode); |
| count++; |
| } |
| EXPECT_EQ(6, count); |
| |
| count = 0; |
| for (WasmOpcode opcode : iter.opcodes()) { |
| USE(opcode); |
| count++; |
| } |
| EXPECT_EQ(6, count); |
| } |
| |
| TEST_F(BytecodeIteratorTest, ForeachOffset) { |
| uint8_t code[] = {WASM_IF_ELSE(WASM_ZERO, WASM_ZERO, WASM_ZERO)}; |
| BytecodeIterator iter(code, code + sizeof(code)); |
| int count = 0; |
| |
| count = 0; |
| for (auto offset : iter.offsets()) { |
| USE(offset); |
| count++; |
| } |
| EXPECT_EQ(6, count); |
| |
| count = 0; |
| for (auto offset : iter.offsets()) { |
| USE(offset); |
| count++; |
| } |
| EXPECT_EQ(6, count); |
| } |
| |
| TEST_F(BytecodeIteratorTest, WithLocalDecls) { |
| uint8_t code[] = {1, 1, kI32Code, WASM_I32V_1(9), WASM_I32V_1(11)}; |
| BodyLocalDecls decls; |
| BytecodeIterator iter(code, code + sizeof(code), &decls, zone()); |
| |
| EXPECT_EQ(3u, decls.encoded_size); |
| EXPECT_EQ(3u, iter.pc_offset()); |
| EXPECT_TRUE(iter.has_next()); |
| EXPECT_EQ(kExprI32Const, iter.current()); |
| iter.next(); |
| EXPECT_TRUE(iter.has_next()); |
| EXPECT_EQ(kExprI32Const, iter.current()); |
| iter.next(); |
| EXPECT_FALSE(iter.has_next()); |
| } |
| |
| /******************************************************************************* |
| * Memory64 tests. |
| ******************************************************************************/ |
| |
| class FunctionBodyDecoderTestOnBothMemoryTypes |
| : public FunctionBodyDecoderTestBase< |
| WithDefaultPlatformMixin<::testing::TestWithParam<AddressType>>> { |
| public: |
| FunctionBodyDecoderTestOnBothMemoryTypes() { |
| if (is_memory64()) enabled_features_.Add(WasmEnabledFeature::memory64); |
| } |
| |
| bool is_memory32() const { return GetParam() == AddressType::kI32; } |
| bool is_memory64() const { return GetParam() == AddressType::kI64; } |
| }; |
| |
| std::string PrintAddressType(::testing::TestParamInfo<AddressType> info) { |
| return AddressTypeToStr(info.param); |
| } |
| |
| INSTANTIATE_TEST_SUITE_P(MemoryTypes, FunctionBodyDecoderTestOnBothMemoryTypes, |
| ::testing::Values(AddressType::kI32, |
| AddressType::kI64), |
| PrintAddressType); |
| |
| TEST_P(FunctionBodyDecoderTestOnBothMemoryTypes, AddressTypes) { |
| builder.AddMemory(GetParam()); |
| Validate(!is_memory64(), sigs.i_v(), |
| {WASM_LOAD_MEM(MachineType::Int32(), WASM_ZERO)}); |
| Validate(is_memory64(), sigs.i_v(), |
| {WASM_LOAD_MEM(MachineType::Int32(), WASM_ZERO64)}); |
| Validate(!is_memory64(), sigs.v_v(), |
| {WASM_STORE_MEM(MachineType::Int32(), WASM_ZERO, WASM_ZERO)}); |
| Validate(is_memory64(), sigs.v_v(), |
| {WASM_STORE_MEM(MachineType::Int32(), WASM_ZERO64, WASM_ZERO)}); |
| } |
| |
| TEST_P(FunctionBodyDecoderTestOnBothMemoryTypes, 64BitOffsetOnMemory32) { |
| // Check that with memory64 enabled, the offset is always decoded as u64, even |
| // if the memory is declared as 32-bit memory. |
| builder.AddMemory(AddressType::kI32); |
| // Offset is zero encoded in 5 bytes (always works). |
| Validate(true, sigs.i_v(), |
| {WASM_LOAD_MEM_OFFSET(MachineType::Int32(), U64V_5(0), WASM_ZERO)}); |
| // Offset is zero encoded in 6 bytes (works if memory64 is enabled). |
| Validate(is_memory64(), sigs.i_v(), |
| {WASM_LOAD_MEM_OFFSET(MachineType::Int32(), U64V_6(0), WASM_ZERO)}); |
| // Same with store. |
| Validate(true, sigs.v_v(), |
| {WASM_STORE_MEM_OFFSET(MachineType::Int32(), U64V_5(0), WASM_ZERO, |
| WASM_ZERO)}); |
| Validate(is_memory64(), sigs.v_v(), |
| {WASM_STORE_MEM_OFFSET(MachineType::Int32(), U64V_6(0), WASM_ZERO, |
| WASM_ZERO)}); |
| // Offset is 2^32+2 (fails validation on memory32). |
| Validate(false, sigs.i_v(), |
| {WASM_LOAD_MEM_OFFSET(MachineType::Int32(), |
| U64V_6((uint64_t{1} << 32) + 2), WASM_ZERO)}); |
| Validate(false, sigs.v_v(), |
| {WASM_STORE_MEM_OFFSET(MachineType::Int32(), |
| U64V_6((uint64_t{1} << 32) + 2), WASM_ZERO, |
| WASM_ZERO)}); |
| } |
| |
| TEST_P(FunctionBodyDecoderTestOnBothMemoryTypes, 64BitOffsetOnMemory64) { |
| // Same as above, but on a 64-bit memory. |
| builder.AddMemory(AddressType::kI64); |
| // Offset is zero encoded in 5 bytes. |
| Validate( |
| true, sigs.i_v(), |
| {WASM_LOAD_MEM_OFFSET(MachineType::Int32(), U64V_5(0), WASM_ZERO64)}); |
| // Offset is zero encoded in 6 bytes (works if memory64 is enabled). |
| Validate( |
| is_memory64(), sigs.i_v(), |
| {WASM_LOAD_MEM_OFFSET(MachineType::Int32(), U64V_6(0), WASM_ZERO64)}); |
| // Same with store. |
| Validate(true, sigs.v_v(), |
| {WASM_STORE_MEM_OFFSET(MachineType::Int32(), U64V_5(0), WASM_ZERO64, |
| WASM_ZERO)}); |
| Validate(is_memory64(), sigs.v_v(), |
| {WASM_STORE_MEM_OFFSET(MachineType::Int32(), U64V_6(0), WASM_ZERO64, |
| WASM_ZERO)}); |
| // Offset is 2^32+2 (validates on memory64). |
| Validate( |
| is_memory64(), sigs.i_v(), |
| {WASM_LOAD_MEM_OFFSET(MachineType::Int32(), |
| U64V_6((uint64_t{1} << 32) + 2), WASM_ZERO64)}); |
| Validate(is_memory64(), sigs.v_v(), |
| {WASM_STORE_MEM_OFFSET(MachineType::Int32(), |
| U64V_6((uint64_t{1} << 32) + 2), WASM_ZERO64, |
| WASM_ZERO)}); |
| } |
| |
| TEST_P(FunctionBodyDecoderTestOnBothMemoryTypes, MemorySize) { |
| builder.AddMemory(GetParam()); |
| // memory.size returns i32 on memory32. |
| Validate(!is_memory64(), sigs.v_v(), |
| {WASM_MEMORY_SIZE, kExprI32Eqz, kExprDrop}); |
| // memory.size returns i64 on memory64. |
| Validate(is_memory64(), sigs.v_v(), |
| {WASM_MEMORY_SIZE, kExprI64Eqz, kExprDrop}); |
| } |
| |
| TEST_P(FunctionBodyDecoderTestOnBothMemoryTypes, MemoryGrow) { |
| builder.AddMemory(GetParam()); |
| // memory.grow is i32->i32 memory32. |
| Validate(!is_memory64(), sigs.i_i(), {WASM_MEMORY_GROW(WASM_LOCAL_GET(0))}); |
| // memory.grow is i64->i64 memory32. |
| Validate(is_memory64(), sigs.l_l(), {WASM_MEMORY_GROW(WASM_LOCAL_GET(0))}); |
| // any other combination always fails. |
| auto sig_l_i = MakeSig::Returns(kWasmI64).Params(kWasmI32); |
| ExpectFailure(&sig_l_i, {WASM_MEMORY_GROW(WASM_LOCAL_GET(0))}); |
| auto sig_i_l = MakeSig::Returns(kWasmI32).Params(kWasmI64); |
| ExpectFailure(&sig_i_l, {WASM_MEMORY_GROW(WASM_LOCAL_GET(0))}); |
| } |
| |
| TEST_P(FunctionBodyDecoderTestOnBothMemoryTypes, CopyDifferentMemTypes) { |
| AddressType mem_type = GetParam(); |
| AddressType other_mem_type = |
| is_memory64() ? AddressType::kI32 : AddressType::kI64; |
| uint8_t memory0 = builder.AddMemory(mem_type); |
| uint8_t memory1 = builder.AddMemory(other_mem_type); |
| |
| // Copy from memory0 to memory1 with types i32/i64/i32. Valid if memory0 is |
| // 64-bit. |
| Validate( |
| is_memory64(), sigs.v_v(), |
| {WASM_MEMORY_COPY(memory1, memory0, WASM_ZERO, WASM_ZERO64, WASM_ZERO)}, |
| kAppendEnd); |
| // Copy from memory0 to memory1 with types i64/i32/i32. Valid if memory0 is |
| // 32-bit. |
| Validate( |
| is_memory32(), sigs.v_v(), |
| {WASM_MEMORY_COPY(memory1, memory0, WASM_ZERO64, WASM_ZERO, WASM_ZERO)}, |
| kAppendEnd); |
| // Passing the size as i64 is always invalid because one memory is always |
| // 32-bit. |
| ExpectFailure( |
| sigs.v_v(), |
| {WASM_MEMORY_COPY(memory1, memory0, WASM_ZERO, WASM_ZERO64, WASM_ZERO64)}, |
| kAppendEnd, |
| is_memory32() |
| ? "memory.copy[0] expected type i64, found i32.const of type i32" |
| : "memory.copy[2] expected type i32, found i64.const of type i64"); |
| ExpectFailure( |
| sigs.v_v(), |
| {WASM_MEMORY_COPY(memory1, memory0, WASM_ZERO64, WASM_ZERO, WASM_ZERO64)}, |
| kAppendEnd, |
| is_memory32() |
| ? "memory.copy[2] expected type i32, found i64.const of type i64" |
| : "memory.copy[0] expected type i32, found i64.const of type i64"); |
| } |
| |
| /******************************************************************************* |
| * Multi-memory tests. |
| ******************************************************************************/ |
| |
| TEST_F(FunctionBodyDecoderTest, ExtendedMemoryAccessImmediate) { |
| builder.AddMemory(); |
| // The memory index can be encoded in a separate field, after a 0x40 |
| // alignment. For now, only memory index 0 is allowed. |
| ExpectValidates(sigs.i_v(), {WASM_ZERO, kExprI32LoadMem, 0x40 /* alignment */, |
| 0 /* memory index */, 0 /* offset */}); |
| // The memory index is LEB-encoded, so index 0 can also be store in 5 bytes. |
| ExpectValidates(sigs.i_v(), {WASM_ZERO, kExprI32LoadMem, 0x40 /* alignment */, |
| U32V_5(0) /* memory index */, 0 /* offset */}); |
| // Memory index 1 is invalid. |
| ExpectFailure(sigs.i_v(), {WASM_ZERO, kExprI32LoadMem, 0x40 /* alignment */, |
| 1 /* memory index */, 0 /* offset */}); |
| // Add another memory; memory index 1 should be valid then. |
| builder.AddMemory(); |
| ExpectValidates(sigs.i_v(), {WASM_ZERO, kExprI32LoadMem, 0x40 /* alignment */, |
| 1 /* memory index */, 0 /* offset */}); |
| // Memory index 2 is still invalid. |
| ExpectFailure(sigs.i_v(), {WASM_ZERO, kExprI32LoadMem, 0x40 /* alignment */, |
| 2 /* memory index */, 0 /* offset */}); |
| } |
| |
| /******************************************************************************* |
| * Table64. |
| ******************************************************************************/ |
| |
| class FunctionBodyDecoderTestTable64 |
| : public FunctionBodyDecoderTestBase< |
| WithDefaultPlatformMixin<::testing::TestWithParam<AddressType>>> { |
| public: |
| FunctionBodyDecoderTestTable64() { |
| if (is_table64()) enabled_features_.Add(WasmEnabledFeature::memory64); |
| } |
| |
| bool is_table32() const { return GetParam() == AddressType::kI32; } |
| bool is_table64() const { return GetParam() == AddressType::kI64; } |
| }; |
| |
| INSTANTIATE_TEST_SUITE_P(Table64Tests, FunctionBodyDecoderTestTable64, |
| ::testing::Values(AddressType::kI32, |
| AddressType::kI64), |
| PrintAddressType); |
| |
| TEST_P(FunctionBodyDecoderTestTable64, Table64Set) { |
| AddressType address_type = GetParam(); |
| uint8_t tab_ref1 = |
| builder.AddTable(kWasmExternRef, 10, true, 20, address_type); |
| uint8_t tab_func1 = |
| builder.AddTable(kWasmFuncRef, 20, true, 30, address_type); |
| |
| ValueType sig_types[]{kWasmExternRef, kWasmFuncRef}; |
| FunctionSig sig(0, 2, sig_types); |
| uint8_t local_ref = 0; |
| uint8_t local_func = 1; |
| |
| Validate(is_table64(), &sig, |
| {WASM_TABLE_SET(tab_ref1, WASM_I64V(6), WASM_LOCAL_GET(local_ref))}); |
| Validate( |
| is_table64(), &sig, |
| {WASM_TABLE_SET(tab_func1, WASM_I64V(7), WASM_LOCAL_GET(local_func))}); |
| } |
| |
| TEST_P(FunctionBodyDecoderTestTable64, Table64Get) { |
| AddressType address_type = GetParam(); |
| uint8_t tab_ref1 = |
| builder.AddTable(kWasmExternRef, 10, true, 20, address_type); |
| uint8_t tab_func1 = |
| builder.AddTable(kWasmFuncRef, 20, true, 30, address_type); |
| |
| ValueType sig_types[]{kWasmExternRef, kWasmFuncRef}; |
| FunctionSig sig(0, 2, sig_types); |
| uint8_t local_ref = 0; |
| uint8_t local_func = 1; |
| |
| Validate(is_table64(), &sig, |
| {WASM_LOCAL_SET(local_ref, WASM_TABLE_GET(tab_ref1, WASM_I64V(6)))}); |
| Validate( |
| is_table64(), &sig, |
| {WASM_LOCAL_SET(local_func, WASM_TABLE_GET(tab_func1, WASM_I64V(5)))}); |
| } |
| |
| TEST_P(FunctionBodyDecoderTestTable64, Table64CallIndirect) { |
| AddressType address_type = GetParam(); |
| const FunctionSig* sig = sigs.i_i(); |
| builder.AddTable(kWasmFuncRef, 20, false, 20, address_type); |
| |
| ModuleTypeIndex sig0 = builder.AddSignature(sigs.i_v()); |
| ModuleTypeIndex sig1 = builder.AddSignature(sigs.i_i()); |
| ModuleTypeIndex sig2 = builder.AddSignature(sigs.i_ii()); |
| |
| Validate(is_table64(), sig, {WASM_CALL_INDIRECT(sig0, WASM_ZERO64)}); |
| Validate(is_table64(), sig, |
| {WASM_CALL_INDIRECT(sig1, WASM_I32V_1(22), WASM_ZERO64)}); |
| Validate(is_table64(), sig, |
| {WASM_CALL_INDIRECT(sig2, WASM_I32V_1(32), WASM_I32V_2(72), |
| WASM_ZERO64)}); |
| } |
| |
| TEST_P(FunctionBodyDecoderTestTable64, Table64ReturnCallIndirect) { |
| AddressType address_type = GetParam(); |
| const FunctionSig* sig = sigs.i_i(); |
| builder.AddTable(kWasmFuncRef, 20, true, 30, address_type); |
| |
| ModuleTypeIndex sig0 = builder.AddSignature(sigs.i_v()); |
| ModuleTypeIndex sig1 = builder.AddSignature(sigs.i_i()); |
| ModuleTypeIndex sig2 = builder.AddSignature(sigs.i_ii()); |
| |
| Validate(is_table64(), sig, {WASM_RETURN_CALL_INDIRECT(sig0, WASM_ZERO64)}); |
| Validate(is_table64(), sig, |
| {WASM_RETURN_CALL_INDIRECT(sig1, WASM_I32V_1(22), WASM_ZERO64)}); |
| Validate(is_table64(), sig, |
| {WASM_RETURN_CALL_INDIRECT(sig2, WASM_I32V_1(32), WASM_I32V_2(72), |
| WASM_ZERO64)}); |
| } |
| |
| TEST_P(FunctionBodyDecoderTestTable64, Table64Grow) { |
| AddressType address_type = GetParam(); |
| uint8_t tab_func = builder.AddTable(kWasmFuncRef, 10, true, 20, address_type); |
| uint8_t tab_ref = |
| builder.AddTable(kWasmExternRef, 10, true, 20, address_type); |
| |
| Validate( |
| is_table64(), sigs.l_c(), |
| {WASM_TABLE_GROW(tab_func, WASM_REF_NULL(kFuncRefCode), WASM_ONE64)}); |
| Validate( |
| is_table64(), sigs.l_a(), |
| {WASM_TABLE_GROW(tab_ref, WASM_REF_NULL(kExternRefCode), WASM_ONE64)}); |
| } |
| |
| TEST_P(FunctionBodyDecoderTestTable64, Table64Size) { |
| AddressType address_type = GetParam(); |
| int tab = builder.AddTable(kWasmFuncRef, 10, true, 20, address_type); |
| Validate(is_table64(), sigs.l_v(), {WASM_TABLE_SIZE(tab)}); |
| } |
| |
| TEST_P(FunctionBodyDecoderTestTable64, Table64Fill) { |
| AddressType address_type = GetParam(); |
| uint8_t tab_func = builder.AddTable(kWasmFuncRef, 10, true, 20, address_type); |
| uint8_t tab_ref = |
| builder.AddTable(kWasmExternRef, 10, true, 20, address_type); |
| Validate(is_table64(), sigs.v_c(), |
| {WASM_TABLE_FILL(tab_func, WASM_ONE64, WASM_REF_NULL(kFuncRefCode), |
| WASM_ONE64)}); |
| Validate(is_table64(), sigs.v_a(), |
| {WASM_TABLE_FILL(tab_ref, WASM_ONE64, WASM_REF_NULL(kExternRefCode), |
| WASM_ONE64)}); |
| } |
| |
| TEST_P(FunctionBodyDecoderTestTable64, Table64Init) { |
| AddressType address_type = GetParam(); |
| uint8_t tab_func = builder.AddTable(kWasmFuncRef, address_type); |
| uint8_t elem_seg = builder.AddPassiveElementSegment(wasm::kWasmFuncRef); |
| |
| Validate( |
| is_table64(), sigs.v_v(), |
| {WASM_TABLE_INIT(tab_func, elem_seg, WASM_ZERO64, WASM_ZERO, WASM_ZERO)}); |
| } |
| |
| TEST_P(FunctionBodyDecoderTestTable64, Table64Copy) { |
| AddressType address_type = GetParam(); |
| uint8_t table = builder.AddTable(wasm::kWasmVoid, address_type); |
| |
| Validate( |
| is_table64(), sigs.v_v(), |
| {WASM_TABLE_COPY(table, table, WASM_ZERO64, WASM_ZERO64, WASM_ZERO64)}); |
| } |
| |
| TEST_P(FunctionBodyDecoderTestTable64, Table64CopyDifferentTypes) { |
| AddressType address_type = GetParam(); |
| AddressType other_table_type = |
| is_table64() ? AddressType::kI32 : AddressType::kI64; |
| uint8_t table = builder.AddTable(wasm::kWasmVoid, address_type); |
| uint8_t other_table = builder.AddTable(wasm::kWasmVoid, other_table_type); |
| |
| // Copy from `table` to `other_table` with types i32/i64/i32. Valid if `table` |
| // is table64 (and hence `other_table` is table32). |
| Validate( |
| is_table64(), sigs.v_v(), |
| {WASM_TABLE_COPY(other_table, table, WASM_ZERO, WASM_ZERO64, WASM_ZERO)}, |
| kAppendEnd); |
| // Copy from `table` to `other_table` with types i64/i32/i32. Valid if `table` |
| // is table32 (and hence `other_table` is table64). |
| Validate( |
| is_table32(), sigs.v_v(), |
| {WASM_TABLE_COPY(other_table, table, WASM_ZERO64, WASM_ZERO, WASM_ZERO)}, |
| kAppendEnd); |
| // Passing the size as i64 is always invalid because one table is always 32 |
| // bit. |
| ExpectFailure( |
| sigs.v_v(), |
| {WASM_TABLE_COPY(other_table, table, WASM_ZERO, WASM_ZERO64, |
| WASM_ZERO64)}, |
| kAppendEnd, |
| is_table64() |
| ? "table.copy[2] expected type i32, found i64.const of type i64" |
| : "table.copy[0] expected type i64, found i32.const of type i32"); |
| ExpectFailure( |
| sigs.v_v(), |
| {WASM_TABLE_COPY(other_table, table, WASM_ZERO64, WASM_ZERO, |
| WASM_ZERO64)}, |
| kAppendEnd, |
| is_table32() |
| ? "table.copy[2] expected type i32, found i64.const of type i64" |
| : "table.copy[0] expected type i32, found i64.const of type i64"); |
| } |
| |
| #undef B1 |
| #undef B2 |
| #undef B3 |
| #undef WASM_IF_OP |
| #undef WASM_LOOP_OP |
| #undef WASM_BRV_IF_ZERO |
| #undef EXPECT_OK |
| |
| } // namespace v8::internal::wasm |
