mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2024-09-11 13:36:13 +03:00
LibWasm: Trap instead of VERIFY()'ing
...unless something really is an assertion.
This commit is contained in:
parent
b3c13c3e8a
commit
541091500c
Notes:
sideshowbarker
2024-07-18 17:39:54 +09:00
Author: https://github.com/alimpfard Commit: https://github.com/SerenityOS/serenity/commit/541091500cd Pull-request: https://github.com/SerenityOS/serenity/pull/7239 Reviewed-by: https://github.com/linusg
@ -59,6 +59,8 @@ Result Configuration::execute()
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{
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Interpreter interpreter;
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interpreter.interpret(*this);
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if (interpreter.did_trap())
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return Trap {};
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Vector<NonnullOwnPtr<Value>> results;
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for (size_t i = 0; i < m_current_frame->arity(); ++i)
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@ -14,6 +14,12 @@
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namespace Wasm {
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#define TRAP_IF_NOT(x) \
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do { \
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if (trap_if_not(x)) \
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return; \
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} while (false)
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void Interpreter::interpret(Configuration& configuration)
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{
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auto& instructions = configuration.frame()->expression().instructions();
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@ -23,22 +29,21 @@ void Interpreter::interpret(Configuration& configuration)
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while (current_ip_value < max_ip_value) {
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auto& instruction = instructions[current_ip_value.value()];
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interpret(configuration, current_ip_value, instruction);
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if (m_do_trap)
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return;
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++current_ip_value;
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}
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}
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void Interpreter::branch_to_label(Configuration& configuration, LabelIndex index)
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{
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dbgln_if(WASM_TRACE_DEBUG, "Branch to label with index {}...", index.value());
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auto label = configuration.nth_label(index.value());
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VERIFY(label.has_value());
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NonnullOwnPtrVector<Value> results;
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// Pop results in order
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for (size_t i = 0; i < label->arity(); ++i)
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results.append(move(configuration.stack().pop().get<NonnullOwnPtr<Value>>()));
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TRAP_IF_NOT(label.has_value());
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dbgln_if(WASM_TRACE_DEBUG, "...which is actually IP {}, and has {} result(s)", label->continuation().value(), label->arity());
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auto results = pop_values(configuration, label->arity());
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size_t drop_count = index.value() + 1;
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if (label->continuation() < configuration.ip())
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--drop_count;
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for (; !configuration.stack().is_empty();) {
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auto entry = configuration.stack().pop();
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@ -59,12 +64,19 @@ ReadonlyBytes Interpreter::load_from_memory(Configuration& configuration, const
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{
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auto& address = configuration.frame()->module().memories().first();
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auto memory = configuration.store().get(address);
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VERIFY(memory);
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if (!memory) {
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m_do_trap = true;
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return {};
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}
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auto& arg = instruction.arguments().get<Instruction::MemoryArgument>();
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auto base = configuration.stack().pop().get<NonnullOwnPtr<Value>>()->to<i32>();
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VERIFY(base.has_value());
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if (!base.has_value()) {
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m_do_trap = true;
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return {};
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}
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auto instance_address = base.value() + static_cast<i64>(arg.offset);
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if (instance_address < 0 || static_cast<u64>(instance_address + size) > memory->size()) {
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m_do_trap = true;
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dbgln("LibWasm: Memory access out of bounds (expected 0 > {} and {} > {})", instance_address, instance_address + size, memory->size());
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return {};
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}
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@ -76,12 +88,13 @@ void Interpreter::store_to_memory(Configuration& configuration, const Instructio
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{
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auto& address = configuration.frame()->module().memories().first();
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auto memory = configuration.store().get(address);
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VERIFY(memory);
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TRAP_IF_NOT(memory);
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auto& arg = instruction.arguments().get<Instruction::MemoryArgument>();
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auto base = configuration.stack().pop().get<NonnullOwnPtr<Value>>()->to<i32>();
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VERIFY(base.has_value());
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TRAP_IF_NOT(base.has_value());
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auto instance_address = base.value() + static_cast<i64>(arg.offset);
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if (instance_address < 0 || static_cast<u64>(instance_address + data.size()) > memory->size()) {
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m_do_trap = true;
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dbgln("LibWasm: Memory access out of bounds (expected 0 > {} and {} > {})", instance_address, instance_address + data.size(), memory->size());
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return;
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}
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@ -92,10 +105,10 @@ void Interpreter::store_to_memory(Configuration& configuration, const Instructio
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void Interpreter::call_address(Configuration& configuration, FunctionAddress address)
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{
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auto instance = configuration.store().get(address);
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VERIFY(instance);
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TRAP_IF_NOT(instance);
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const FunctionType* type { nullptr };
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instance->visit([&](const auto& function) { type = &function.type(); });
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VERIFY(type);
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TRAP_IF_NOT(type);
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Vector<Value> args;
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args.ensure_capacity(type->parameters().size());
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for (size_t i = 0; i < type->parameters().size(); ++i) {
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@ -104,40 +117,60 @@ void Interpreter::call_address(Configuration& configuration, FunctionAddress add
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Configuration function_configuration { configuration.store() };
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function_configuration.depth() = configuration.depth() + 1;
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auto result = function_configuration.call(address, move(args));
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if (result.is_trap())
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TODO();
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if (result.is_trap()) {
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m_do_trap = true;
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return;
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}
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for (auto& entry : result.values())
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configuration.stack().push(make<Value>(move(entry)));
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}
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#define BINARY_NUMERIC_OPERATION(type, operator, ...) \
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#define BINARY_NUMERIC_OPERATION(type, operator, cast, ...) \
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do { \
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auto rhs = configuration.stack().pop().get<NonnullOwnPtr<Value>>()->to<type>(); \
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auto lhs = configuration.stack().pop().get<NonnullOwnPtr<Value>>()->to<type>(); \
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VERIFY(lhs.has_value()); \
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VERIFY(rhs.has_value()); \
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TRAP_IF_NOT(lhs.has_value()); \
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TRAP_IF_NOT(rhs.has_value()); \
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__VA_ARGS__; \
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auto result = lhs.value() operator rhs.value(); \
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dbgln_if(WASM_TRACE_DEBUG, "{} {} {} = {}", lhs.value(), #operator, rhs.value(), result); \
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configuration.stack().push(make<Value>(__VA_ARGS__(result))); \
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configuration.stack().push(make<Value>(cast(result))); \
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return; \
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} while (false)
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#define BINARY_PREFIX_NUMERIC_OPERATION(type, operation, ...) \
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#define OVF_CHECKED_BINARY_NUMERIC_OPERATION(type, operator, cast, ...) \
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do { \
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auto rhs = configuration.stack().pop().get<NonnullOwnPtr<Value>>()->to<type>(); \
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auto ulhs = configuration.stack().pop().get<NonnullOwnPtr<Value>>()->to<type>(); \
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TRAP_IF_NOT(ulhs.has_value()); \
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TRAP_IF_NOT(rhs.has_value()); \
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dbgln_if(WASM_TRACE_DEBUG, "{} {} {} = ??", ulhs.value(), #operator, rhs.value()); \
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__VA_ARGS__; \
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Checked lhs = ulhs.value(); \
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lhs operator##= rhs.value(); \
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TRAP_IF_NOT(!lhs.has_overflow()); \
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auto result = lhs.value(); \
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dbgln_if(WASM_TRACE_DEBUG, "{} {} {} = {}", ulhs.value(), #operator, rhs.value(), result); \
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configuration.stack().push(make<Value>(cast(result))); \
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return; \
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} while (false)
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#define BINARY_PREFIX_NUMERIC_OPERATION(type, operation, cast, ...) \
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do { \
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auto rhs = configuration.stack().pop().get<NonnullOwnPtr<Value>>()->to<type>(); \
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auto lhs = configuration.stack().pop().get<NonnullOwnPtr<Value>>()->to<type>(); \
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VERIFY(lhs.has_value()); \
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VERIFY(rhs.has_value()); \
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TRAP_IF_NOT(lhs.has_value()); \
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TRAP_IF_NOT(rhs.has_value()); \
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auto result = operation(lhs.value(), rhs.value()); \
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dbgln_if(WASM_TRACE_DEBUG, "{}({} {}) = {}", #operation, lhs.value(), rhs.value(), result); \
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configuration.stack().push(make<Value>(__VA_ARGS__(result))); \
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configuration.stack().push(make<Value>(cast(result))); \
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return; \
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} while (false)
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#define UNARY_MAP(pop_type, operation, ...) \
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do { \
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auto value = configuration.stack().pop().get<NonnullOwnPtr<Value>>()->to<pop_type>(); \
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VERIFY(value.has_value()); \
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TRAP_IF_NOT(value.has_value()); \
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auto result = operation(value.value()); \
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dbgln_if(WASM_TRACE_DEBUG, "map({}) {} = {}", #operation, value.value(), result); \
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configuration.stack().push(make<Value>(__VA_ARGS__(result))); \
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@ -150,7 +183,7 @@ void Interpreter::call_address(Configuration& configuration, FunctionAddress add
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#define LOAD_AND_PUSH(read_type, push_type) \
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do { \
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auto slice = load_from_memory(configuration, instruction, sizeof(read_type)); \
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VERIFY(slice.size() == sizeof(read_type)); \
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TRAP_IF_NOT(slice.size() == sizeof(read_type)); \
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if constexpr (sizeof(read_type) == 1) \
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configuration.stack().push(make<Value>(static_cast<push_type>(slice[0]))); \
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else \
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@ -230,6 +263,20 @@ struct ConvertToRaw<double> {
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}
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};
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Vector<NonnullOwnPtr<Value>> Interpreter::pop_values(Configuration& configuration, size_t count)
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{
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Vector<NonnullOwnPtr<Value>> results;
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// Pop results in order
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for (size_t i = 0; i < count; ++i) {
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auto top_of_stack = configuration.stack().pop();
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if (auto value = top_of_stack.get_pointer<NonnullOwnPtr<Value>>())
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results.append(move(*value));
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else
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trap_if_not(value);
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}
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return results;
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}
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void Interpreter::interpret(Configuration& configuration, InstructionPointer& ip, const Instruction& instruction)
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{
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dbgln_if(WASM_TRACE_DEBUG, "Executing instruction {} at ip {}", instruction_name(instruction.opcode()), ip.value());
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@ -237,7 +284,8 @@ void Interpreter::interpret(Configuration& configuration, InstructionPointer& ip
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configuration.dump_stack();
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switch (instruction.opcode().value()) {
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case Instructions::unreachable.value():
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VERIFY_NOT_REACHED(); // FIXME: This is definitely not right :)
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m_do_trap = true;
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return;
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case Instructions::nop.value():
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return;
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case Instructions::local_get.value():
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@ -284,7 +332,7 @@ void Interpreter::interpret(Configuration& configuration, InstructionPointer& ip
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auto entry = configuration.stack().pop();
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auto value = entry.get<NonnullOwnPtr<Value>>()->to<i32>();
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VERIFY(value.has_value());
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TRAP_IF_NOT(value.has_value());
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configuration.stack().push(make<Label>(arity, args.end_ip));
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if (value.value() == 0) {
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if (args.else_ip.has_value()) {
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@ -300,11 +348,8 @@ void Interpreter::interpret(Configuration& configuration, InstructionPointer& ip
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return;
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case Instructions::structured_else.value(): {
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auto label = configuration.nth_label(0);
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VERIFY(label.has_value());
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NonnullOwnPtrVector<Value> results;
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// Pop results in order
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for (size_t i = 0; i < label->arity(); ++i)
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results.append(move(configuration.stack().pop().get<NonnullOwnPtr<Value>>()));
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TRAP_IF_NOT(label.has_value());
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auto results = pop_values(configuration, label->arity());
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// drop all locals
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for (; !configuration.stack().is_empty();) {
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@ -377,14 +422,16 @@ void Interpreter::interpret(Configuration& configuration, InstructionPointer& ip
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auto table_address = configuration.frame()->module().tables()[args.table.value()];
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auto table_instance = configuration.store().get(table_address);
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auto index = configuration.stack().pop().get<NonnullOwnPtr<Value>>()->to<i32>();
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VERIFY(index.has_value());
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TRAP_IF_NOT(index.has_value());
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if (index.value() < 0 || static_cast<size_t>(index.value()) >= table_instance->elements().size()) {
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dbgln("LibWasm: Element access out of bounds, expected {0} > 0 and {0} < {1}", index.value(), table_instance->elements().size());
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m_do_trap = true;
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return;
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}
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auto element = table_instance->elements()[index.value()];
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if (!element.has_value() || !element->ref().has<FunctionAddress>()) {
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dbgln("LibWasm: call_indirect attempted with invalid address element (not a function)");
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m_do_trap = true;
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return;
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}
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auto address = element->ref().get<FunctionAddress>();
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@ -441,12 +488,14 @@ void Interpreter::interpret(Configuration& configuration, InstructionPointer& ip
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case Instructions::local_tee.value(): {
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auto value = *configuration.stack().peek().get<NonnullOwnPtr<Value>>();
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auto local_index = instruction.arguments().get<LocalIndex>();
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TRAP_IF_NOT(configuration.frame()->locals().size() > local_index.value());
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dbgln_if(WASM_TRACE_DEBUG, "stack:peek -> locals({})", local_index.value());
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configuration.frame()->locals()[local_index.value()] = move(value);
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return;
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}
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case Instructions::global_get.value(): {
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auto global_index = instruction.arguments().get<GlobalIndex>();
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TRAP_IF_NOT(configuration.frame()->module().globals().size() > global_index.value());
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auto address = configuration.frame()->module().globals()[global_index.value()];
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dbgln_if(WASM_TRACE_DEBUG, "global({}) -> stack", address.value());
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auto global = configuration.store().get(address);
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@ -455,6 +504,7 @@ void Interpreter::interpret(Configuration& configuration, InstructionPointer& ip
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}
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case Instructions::global_set.value(): {
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auto global_index = instruction.arguments().get<GlobalIndex>();
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TRAP_IF_NOT(configuration.frame()->module().globals().size() > global_index.value());
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auto address = configuration.frame()->module().globals()[global_index.value()];
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auto value = *configuration.stack().pop().get<NonnullOwnPtr<Value>>();
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dbgln_if(WASM_TRACE_DEBUG, "stack -> global({})", address.value());
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@ -475,7 +525,8 @@ void Interpreter::interpret(Configuration& configuration, InstructionPointer& ip
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auto instance = configuration.store().get(address);
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i32 old_pages = instance->size() / Constants::page_size;
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auto new_pages = configuration.stack().pop().get<NonnullOwnPtr<Value>>()->to<i32>();
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VERIFY(new_pages.has_value());
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TRAP_IF_NOT(new_pages.has_value());
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dbgln_if(WASM_TRACE_DEBUG, "memory.grow({}), previously {} pages...", *new_pages, old_pages);
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if (instance->grow(new_pages.value() * Constants::page_size))
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configuration.stack().push(make<Value>((i32)old_pages));
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else
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@ -495,7 +546,7 @@ void Interpreter::interpret(Configuration& configuration, InstructionPointer& ip
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case Instructions::select_typed.value(): {
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// Note: The type seems to only be used for validation.
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auto value = configuration.stack().pop().get<NonnullOwnPtr<Value>>()->to<i32>();
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VERIFY(value.has_value());
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TRAP_IF_NOT(value.has_value());
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dbgln_if(WASM_TRACE_DEBUG, "select({})", value.value());
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auto rhs = move(configuration.stack().pop().get<NonnullOwnPtr<Value>>());
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auto lhs = move(configuration.stack().pop().get<NonnullOwnPtr<Value>>());
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@ -505,89 +556,89 @@ void Interpreter::interpret(Configuration& configuration, InstructionPointer& ip
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case Instructions::i32_eqz.value():
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UNARY_NUMERIC_OPERATION(i32, 0 ==);
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case Instructions::i32_eq.value():
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BINARY_NUMERIC_OPERATION(i32, ==);
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BINARY_NUMERIC_OPERATION(i32, ==, i32);
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case Instructions::i32_ne.value():
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BINARY_NUMERIC_OPERATION(i32, !=);
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BINARY_NUMERIC_OPERATION(i32, !=, i32);
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case Instructions::i32_lts.value():
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BINARY_NUMERIC_OPERATION(i32, <);
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BINARY_NUMERIC_OPERATION(i32, <, i32);
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case Instructions::i32_ltu.value():
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BINARY_NUMERIC_OPERATION(u32, <);
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BINARY_NUMERIC_OPERATION(u32, <, i32);
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case Instructions::i32_gts.value():
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BINARY_NUMERIC_OPERATION(i32, >);
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BINARY_NUMERIC_OPERATION(i32, >, i32);
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case Instructions::i32_gtu.value():
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BINARY_NUMERIC_OPERATION(u32, >);
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BINARY_NUMERIC_OPERATION(u32, >, i32);
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case Instructions::i32_les.value():
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BINARY_NUMERIC_OPERATION(i32, <=);
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BINARY_NUMERIC_OPERATION(i32, <=, i32);
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case Instructions::i32_leu.value():
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BINARY_NUMERIC_OPERATION(u32, <=);
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BINARY_NUMERIC_OPERATION(u32, <=, i32);
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case Instructions::i32_ges.value():
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BINARY_NUMERIC_OPERATION(i32, >=);
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BINARY_NUMERIC_OPERATION(i32, >=, i32);
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case Instructions::i32_geu.value():
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BINARY_NUMERIC_OPERATION(u32, >=);
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BINARY_NUMERIC_OPERATION(u32, >=, i32);
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case Instructions::i64_eqz.value():
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UNARY_NUMERIC_OPERATION(i64, 0ull ==);
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case Instructions::i64_eq.value():
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BINARY_NUMERIC_OPERATION(i64, ==);
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BINARY_NUMERIC_OPERATION(i64, ==, i32);
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case Instructions::i64_ne.value():
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BINARY_NUMERIC_OPERATION(i64, !=);
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BINARY_NUMERIC_OPERATION(i64, !=, i32);
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case Instructions::i64_lts.value():
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BINARY_NUMERIC_OPERATION(i64, <);
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BINARY_NUMERIC_OPERATION(i64, <, i32);
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case Instructions::i64_ltu.value():
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BINARY_NUMERIC_OPERATION(u64, <);
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BINARY_NUMERIC_OPERATION(u64, <, i32);
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case Instructions::i64_gts.value():
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BINARY_NUMERIC_OPERATION(i64, >);
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BINARY_NUMERIC_OPERATION(i64, >, i32);
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case Instructions::i64_gtu.value():
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BINARY_NUMERIC_OPERATION(u64, >);
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BINARY_NUMERIC_OPERATION(u64, >, i32);
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case Instructions::i64_les.value():
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BINARY_NUMERIC_OPERATION(i64, <=);
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BINARY_NUMERIC_OPERATION(i64, <=, i32);
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case Instructions::i64_leu.value():
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BINARY_NUMERIC_OPERATION(u64, <=);
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BINARY_NUMERIC_OPERATION(u64, <=, i32);
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case Instructions::i64_ges.value():
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BINARY_NUMERIC_OPERATION(i64, >=);
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BINARY_NUMERIC_OPERATION(i64, >=, i32);
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case Instructions::i64_geu.value():
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BINARY_NUMERIC_OPERATION(u64, >=);
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BINARY_NUMERIC_OPERATION(u64, >=, i32);
|
||||
case Instructions::f32_eq.value():
|
||||
BINARY_NUMERIC_OPERATION(float, ==);
|
||||
BINARY_NUMERIC_OPERATION(float, ==, i32);
|
||||
case Instructions::f32_ne.value():
|
||||
BINARY_NUMERIC_OPERATION(float, !=);
|
||||
BINARY_NUMERIC_OPERATION(float, !=, i32);
|
||||
case Instructions::f32_lt.value():
|
||||
BINARY_NUMERIC_OPERATION(float, <);
|
||||
BINARY_NUMERIC_OPERATION(float, <, i32);
|
||||
case Instructions::f32_gt.value():
|
||||
BINARY_NUMERIC_OPERATION(float, >);
|
||||
BINARY_NUMERIC_OPERATION(float, >, i32);
|
||||
case Instructions::f32_le.value():
|
||||
BINARY_NUMERIC_OPERATION(float, <=);
|
||||
BINARY_NUMERIC_OPERATION(float, <=, i32);
|
||||
case Instructions::f32_ge.value():
|
||||
BINARY_NUMERIC_OPERATION(float, >=);
|
||||
BINARY_NUMERIC_OPERATION(float, >=, i32);
|
||||
case Instructions::f64_eq.value():
|
||||
BINARY_NUMERIC_OPERATION(double, ==);
|
||||
BINARY_NUMERIC_OPERATION(double, ==, i32);
|
||||
case Instructions::f64_ne.value():
|
||||
BINARY_NUMERIC_OPERATION(double, !=);
|
||||
BINARY_NUMERIC_OPERATION(double, !=, i32);
|
||||
case Instructions::f64_lt.value():
|
||||
BINARY_NUMERIC_OPERATION(double, <);
|
||||
BINARY_NUMERIC_OPERATION(double, <, i32);
|
||||
case Instructions::f64_gt.value():
|
||||
BINARY_NUMERIC_OPERATION(double, >);
|
||||
BINARY_NUMERIC_OPERATION(double, >, i32);
|
||||
case Instructions::f64_le.value():
|
||||
BINARY_NUMERIC_OPERATION(double, <=);
|
||||
BINARY_NUMERIC_OPERATION(double, <=, i32);
|
||||
case Instructions::f64_ge.value():
|
||||
BINARY_NUMERIC_OPERATION(double, >);
|
||||
BINARY_NUMERIC_OPERATION(double, >, i32);
|
||||
case Instructions::i32_clz.value():
|
||||
case Instructions::i32_ctz.value():
|
||||
case Instructions::i32_popcnt.value():
|
||||
goto unimplemented;
|
||||
case Instructions::i32_add.value():
|
||||
BINARY_NUMERIC_OPERATION(i32, +, i32);
|
||||
OVF_CHECKED_BINARY_NUMERIC_OPERATION(i32, +, i32);
|
||||
case Instructions::i32_sub.value():
|
||||
BINARY_NUMERIC_OPERATION(i32, -, i32);
|
||||
OVF_CHECKED_BINARY_NUMERIC_OPERATION(i32, -, i32);
|
||||
case Instructions::i32_mul.value():
|
||||
BINARY_NUMERIC_OPERATION(i32, *, i32);
|
||||
OVF_CHECKED_BINARY_NUMERIC_OPERATION(i32, *, i32);
|
||||
case Instructions::i32_divs.value():
|
||||
BINARY_NUMERIC_OPERATION(i32, /, i32);
|
||||
OVF_CHECKED_BINARY_NUMERIC_OPERATION(i32, /, i32, TRAP_IF_NOT(rhs.value() != 0));
|
||||
case Instructions::i32_divu.value():
|
||||
BINARY_NUMERIC_OPERATION(u32, /, i32);
|
||||
OVF_CHECKED_BINARY_NUMERIC_OPERATION(u32, /, i32, TRAP_IF_NOT(rhs.value() != 0));
|
||||
case Instructions::i32_rems.value():
|
||||
BINARY_NUMERIC_OPERATION(i32, %, i32);
|
||||
BINARY_NUMERIC_OPERATION(i32, %, i32, TRAP_IF_NOT(rhs.value() != 0));
|
||||
case Instructions::i32_remu.value():
|
||||
BINARY_NUMERIC_OPERATION(u32, %, i32);
|
||||
BINARY_NUMERIC_OPERATION(u32, %, i32, TRAP_IF_NOT(rhs.value() != 0));
|
||||
case Instructions::i32_and.value():
|
||||
BINARY_NUMERIC_OPERATION(i32, &, i32);
|
||||
case Instructions::i32_or.value():
|
||||
@ -607,19 +658,19 @@ void Interpreter::interpret(Configuration& configuration, InstructionPointer& ip
|
||||
case Instructions::i64_popcnt.value():
|
||||
goto unimplemented;
|
||||
case Instructions::i64_add.value():
|
||||
BINARY_NUMERIC_OPERATION(i64, +, i64);
|
||||
OVF_CHECKED_BINARY_NUMERIC_OPERATION(i64, +, i64);
|
||||
case Instructions::i64_sub.value():
|
||||
BINARY_NUMERIC_OPERATION(i64, -, i64);
|
||||
OVF_CHECKED_BINARY_NUMERIC_OPERATION(i64, -, i64);
|
||||
case Instructions::i64_mul.value():
|
||||
BINARY_NUMERIC_OPERATION(i64, *, i64);
|
||||
OVF_CHECKED_BINARY_NUMERIC_OPERATION(i64, *, i64);
|
||||
case Instructions::i64_divs.value():
|
||||
BINARY_NUMERIC_OPERATION(i64, /, i64);
|
||||
OVF_CHECKED_BINARY_NUMERIC_OPERATION(i64, /, i64, TRAP_IF_NOT(rhs.value() != 0));
|
||||
case Instructions::i64_divu.value():
|
||||
BINARY_NUMERIC_OPERATION(u64, /, i64);
|
||||
OVF_CHECKED_BINARY_NUMERIC_OPERATION(u64, /, i64, TRAP_IF_NOT(rhs.value() != 0));
|
||||
case Instructions::i64_rems.value():
|
||||
BINARY_NUMERIC_OPERATION(i64, %, i64);
|
||||
BINARY_NUMERIC_OPERATION(i64, %, i64, TRAP_IF_NOT(rhs.value() != 0));
|
||||
case Instructions::i64_remu.value():
|
||||
BINARY_NUMERIC_OPERATION(u64, %, i64);
|
||||
BINARY_NUMERIC_OPERATION(u64, %, i64, TRAP_IF_NOT(rhs.value() != 0));
|
||||
case Instructions::i64_and.value():
|
||||
BINARY_NUMERIC_OPERATION(i64, &, i64);
|
||||
case Instructions::i64_or.value():
|
||||
@ -756,6 +807,7 @@ void Interpreter::interpret(Configuration& configuration, InstructionPointer& ip
|
||||
default:
|
||||
unimplemented:;
|
||||
dbgln("Instruction '{}' not implemented", instruction_name(instruction.opcode()));
|
||||
m_do_trap = true;
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
@ -12,6 +12,7 @@ namespace Wasm {
|
||||
|
||||
struct Interpreter {
|
||||
void interpret(Configuration&);
|
||||
bool did_trap() const { return m_do_trap; }
|
||||
|
||||
private:
|
||||
void interpret(Configuration&, InstructionPointer&, const Instruction&);
|
||||
@ -19,6 +20,14 @@ private:
|
||||
ReadonlyBytes load_from_memory(Configuration&, const Instruction&, size_t);
|
||||
void store_to_memory(Configuration&, const Instruction&, ReadonlyBytes data);
|
||||
void call_address(Configuration&, FunctionAddress);
|
||||
Vector<NonnullOwnPtr<Value>> pop_values(Configuration& configuration, size_t count);
|
||||
bool trap_if_not(bool value)
|
||||
{
|
||||
if (!value)
|
||||
m_do_trap = true;
|
||||
return m_do_trap;
|
||||
}
|
||||
bool m_do_trap { false };
|
||||
};
|
||||
|
||||
}
|
||||
|
Loading…
Reference in New Issue
Block a user