blob: b86f7dd1d70300cc02eef4286e81e9b1b229562c [file] [log] [blame]
// Copyright 2017 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/api/api-inl.h"
#include "src/init/v8.h"
#include "src/objects/managed.h"
#include "src/objects/objects-inl.h"
#include "src/utils/vector.h"
#include "src/wasm/module-decoder.h"
#include "src/wasm/streaming-decoder.h"
#include "src/wasm/wasm-engine.h"
#include "src/wasm/wasm-module-builder.h"
#include "src/wasm/wasm-module.h"
#include "src/wasm/wasm-objects-inl.h"
#include "src/wasm/wasm-objects.h"
#include "src/wasm/wasm-serialization.h"
#include "test/cctest/cctest.h"
#include "test/common/wasm/flag-utils.h"
#include "test/common/wasm/test-signatures.h"
#include "test/common/wasm/wasm-macro-gen.h"
namespace v8 {
namespace internal {
namespace wasm {
class MockPlatform final : public TestPlatform {
public:
MockPlatform() : task_runner_(std::make_shared<MockTaskRunner>()) {
// Now that it's completely constructed, make this the current platform.
i::V8::SetPlatformForTesting(this);
}
~MockPlatform() {
for (auto* job_handle : job_handles_) job_handle->ResetPlatform();
}
std::unique_ptr<v8::JobHandle> PostJob(
v8::TaskPriority priority,
std::unique_ptr<v8::JobTask> job_task) override {
auto orig_job_handle = TestPlatform::PostJob(priority, std::move(job_task));
auto job_handle =
std::make_unique<MockJobHandle>(std::move(orig_job_handle), this);
job_handles_.insert(job_handle.get());
return job_handle;
}
std::shared_ptr<TaskRunner> GetForegroundTaskRunner(
v8::Isolate* isolate) override {
return task_runner_;
}
void CallOnWorkerThread(std::unique_ptr<v8::Task> task) override {
task_runner_->PostTask(std::move(task));
}
bool IdleTasksEnabled(v8::Isolate* isolate) override { return false; }
void ExecuteTasks() {
for (auto* job_handle : job_handles_) {
if (job_handle->IsRunning()) job_handle->Join();
}
task_runner_->ExecuteTasks();
}
private:
class MockTaskRunner final : public TaskRunner {
public:
void PostTask(std::unique_ptr<v8::Task> task) override {
tasks_.push(std::move(task));
}
void PostDelayedTask(std::unique_ptr<Task> task,
double delay_in_seconds) override {
tasks_.push(std::move(task));
}
void PostIdleTask(std::unique_ptr<IdleTask> task) override {
UNREACHABLE();
}
bool IdleTasksEnabled() override { return false; }
void ExecuteTasks() {
while (!tasks_.empty()) {
std::unique_ptr<Task> task = std::move(tasks_.front());
tasks_.pop();
task->Run();
}
}
private:
// We do not execute tasks concurrently, so we only need one list of tasks.
std::queue<std::unique_ptr<v8::Task>> tasks_;
};
class MockJobHandle : public JobHandle {
public:
explicit MockJobHandle(std::unique_ptr<JobHandle> orig_handle,
MockPlatform* platform)
: orig_handle_(std::move(orig_handle)), platform_(platform) {}
~MockJobHandle() {
if (platform_) platform_->job_handles_.erase(this);
}
void ResetPlatform() { platform_ = nullptr; }
void NotifyConcurrencyIncrease() override {
orig_handle_->NotifyConcurrencyIncrease();
}
void Join() override { orig_handle_->Join(); }
void Cancel() override { orig_handle_->Cancel(); }
bool IsRunning() override { return orig_handle_->IsRunning(); }
private:
std::unique_ptr<JobHandle> orig_handle_;
MockPlatform* platform_;
};
std::shared_ptr<MockTaskRunner> task_runner_;
std::unordered_set<MockJobHandle*> job_handles_;
};
namespace {
enum class CompilationState {
kPending,
kFinished,
kFailed,
};
class TestResolver : public CompilationResultResolver {
public:
TestResolver(CompilationState* state, std::string* error_message,
std::shared_ptr<NativeModule>* native_module)
: state_(state),
error_message_(error_message),
native_module_(native_module) {}
void OnCompilationSucceeded(i::Handle<i::WasmModuleObject> module) override {
*state_ = CompilationState::kFinished;
if (!module.is_null()) {
*native_module_ = module->shared_native_module();
}
}
void OnCompilationFailed(i::Handle<i::Object> error_reason) override {
*state_ = CompilationState::kFailed;
Handle<String> str =
Object::ToString(CcTest::i_isolate(), error_reason).ToHandleChecked();
error_message_->assign(str->ToCString().get());
}
private:
CompilationState* const state_;
std::string* const error_message_;
std::shared_ptr<NativeModule>* const native_module_;
};
class StreamTester {
public:
StreamTester()
: zone_(&allocator_, "StreamTester"),
internal_scope_(CcTest::i_isolate()) {
v8::Isolate* isolate = CcTest::isolate();
i::Isolate* i_isolate = CcTest::i_isolate();
v8::Local<v8::Context> context = isolate->GetCurrentContext();
stream_ = i_isolate->wasm_engine()->StartStreamingCompilation(
i_isolate, WasmFeatures::All(), v8::Utils::OpenHandle(*context),
"WebAssembly.compileStreaming()",
std::make_shared<TestResolver>(&state_, &error_message_,
&native_module_));
}
std::shared_ptr<StreamingDecoder> stream() { return stream_; }
// Compiled native module, valid after successful compile.
std::shared_ptr<NativeModule> native_module() { return native_module_; }
// Run all compiler tasks, both foreground and background tasks.
void RunCompilerTasks() {
static_cast<MockPlatform*>(i::V8::GetCurrentPlatform())->ExecuteTasks();
}
bool IsPromiseFulfilled() { return state_ == CompilationState::kFinished; }
bool IsPromiseRejected() { return state_ == CompilationState::kFailed; }
bool IsPromisePending() { return state_ == CompilationState::kPending; }
void OnBytesReceived(const uint8_t* start, size_t length) {
stream_->OnBytesReceived(Vector<const uint8_t>(start, length));
}
void FinishStream() { stream_->Finish(); }
void SetCompiledModuleBytes(const uint8_t* start, size_t length) {
stream_->SetCompiledModuleBytes(Vector<const uint8_t>(start, length));
}
Zone* zone() { return &zone_; }
const std::string& error_message() const { return error_message_; }
private:
AccountingAllocator allocator_;
Zone zone_;
i::HandleScope internal_scope_;
CompilationState state_ = CompilationState::kPending;
std::string error_message_;
std::shared_ptr<NativeModule> native_module_;
std::shared_ptr<StreamingDecoder> stream_;
};
} // namespace
#define STREAM_TEST(name) \
void RunStream_##name(); \
TEST(Async##name) { \
MockPlatform platform; \
CcTest::InitializeVM(); \
RunStream_##name(); \
} \
\
TEST(SingleThreaded##name) { \
i::FlagScope<bool> single_threaded_scope(&i::FLAG_single_threaded, true); \
MockPlatform platform; \
CcTest::InitializeVM(); \
RunStream_##name(); \
} \
void RunStream_##name()
// Create a valid module with 3 functions.
ZoneBuffer GetValidModuleBytes(Zone* zone) {
ZoneBuffer buffer(zone);
TestSignatures sigs;
WasmModuleBuilder builder(zone);
{
WasmFunctionBuilder* f = builder.AddFunction(sigs.i_iii());
uint8_t code[] = {kExprLocalGet, 0, kExprEnd};
f->EmitCode(code, arraysize(code));
}
{
WasmFunctionBuilder* f = builder.AddFunction(sigs.i_iii());
uint8_t code[] = {kExprLocalGet, 1, kExprEnd};
f->EmitCode(code, arraysize(code));
}
{
WasmFunctionBuilder* f = builder.AddFunction(sigs.i_iii());
uint8_t code[] = {kExprLocalGet, 2, kExprEnd};
f->EmitCode(code, arraysize(code));
}
builder.WriteTo(&buffer);
return buffer;
}
// Create the same valid module as above and serialize it to test streaming
// with compiled module caching.
ZoneBuffer GetValidCompiledModuleBytes(Zone* zone, ZoneBuffer wire_bytes) {
// Use a tester to compile to a NativeModule.
StreamTester tester;
tester.OnBytesReceived(wire_bytes.begin(), wire_bytes.size());
tester.FinishStream();
tester.RunCompilerTasks();
CHECK(tester.IsPromiseFulfilled());
// Serialize the NativeModule.
std::shared_ptr<NativeModule> native_module = tester.native_module();
CHECK(native_module);
i::wasm::WasmSerializer serializer(native_module.get());
size_t size = serializer.GetSerializedNativeModuleSize();
std::vector<byte> buffer(size);
CHECK(serializer.SerializeNativeModule({buffer.data(), size}));
ZoneBuffer result(zone, size);
result.write(buffer.data(), size);
return result;
}
// Test that all bytes arrive before doing any compilation. FinishStream is
// called immediately.
STREAM_TEST(TestAllBytesArriveImmediatelyStreamFinishesFirst) {
StreamTester tester;
ZoneBuffer buffer = GetValidModuleBytes(tester.zone());
tester.OnBytesReceived(buffer.begin(), buffer.end() - buffer.begin());
tester.FinishStream();
tester.RunCompilerTasks();
CHECK(tester.IsPromiseFulfilled());
}
// Test that all bytes arrive before doing any compilation. FinishStream is
// called after the compilation is done.
STREAM_TEST(TestAllBytesArriveAOTCompilerFinishesFirst) {
StreamTester tester;
ZoneBuffer buffer = GetValidModuleBytes(tester.zone());
tester.OnBytesReceived(buffer.begin(), buffer.end() - buffer.begin());
tester.RunCompilerTasks();
tester.FinishStream();
tester.RunCompilerTasks();
CHECK(tester.IsPromiseFulfilled());
}
size_t GetFunctionOffset(i::Isolate* isolate, const uint8_t* buffer,
size_t size, size_t index) {
ModuleResult result =
DecodeWasmModule(WasmFeatures::All(), buffer, buffer + size, false,
ModuleOrigin::kWasmOrigin, isolate->counters(),
isolate->wasm_engine()->allocator());
CHECK(result.ok());
const WasmFunction* func = &result.value()->functions[index];
return func->code.offset();
}
// Test that some functions come in the beginning, some come after some
// functions already got compiled.
STREAM_TEST(TestCutAfterOneFunctionStreamFinishesFirst) {
i::Isolate* isolate = CcTest::i_isolate();
StreamTester tester;
ZoneBuffer buffer = GetValidModuleBytes(tester.zone());
size_t offset = GetFunctionOffset(isolate, buffer.begin(), buffer.size(), 1);
tester.OnBytesReceived(buffer.begin(), offset);
tester.RunCompilerTasks();
CHECK(tester.IsPromisePending());
tester.OnBytesReceived(buffer.begin() + offset, buffer.size() - offset);
tester.FinishStream();
tester.RunCompilerTasks();
CHECK(tester.IsPromiseFulfilled());
}
// Test that some functions come in the beginning, some come after some
// functions already got compiled. Call FinishStream after the compilation is
// done.
STREAM_TEST(TestCutAfterOneFunctionCompilerFinishesFirst) {
i::Isolate* isolate = CcTest::i_isolate();
StreamTester tester;
ZoneBuffer buffer = GetValidModuleBytes(tester.zone());
size_t offset = GetFunctionOffset(isolate, buffer.begin(), buffer.size(), 1);
tester.OnBytesReceived(buffer.begin(), offset);
tester.RunCompilerTasks();
CHECK(tester.IsPromisePending());
tester.OnBytesReceived(buffer.begin() + offset, buffer.size() - offset);
tester.RunCompilerTasks();
tester.FinishStream();
tester.RunCompilerTasks();
CHECK(tester.IsPromiseFulfilled());
}
// Create a module with an invalid global section.
ZoneBuffer GetModuleWithInvalidSection(Zone* zone) {
ZoneBuffer buffer(zone);
TestSignatures sigs;
WasmModuleBuilder builder(zone);
// Add an invalid global to the module. The decoder will fail there.
builder.AddGlobal(kWasmStmt, true, WasmInitExpr::GlobalGet(12));
{
WasmFunctionBuilder* f = builder.AddFunction(sigs.i_iii());
uint8_t code[] = {kExprLocalGet, 0, kExprEnd};
f->EmitCode(code, arraysize(code));
}
{
WasmFunctionBuilder* f = builder.AddFunction(sigs.i_iii());
uint8_t code[] = {kExprLocalGet, 1, kExprEnd};
f->EmitCode(code, arraysize(code));
}
{
WasmFunctionBuilder* f = builder.AddFunction(sigs.i_iii());
uint8_t code[] = {kExprLocalGet, 2, kExprEnd};
f->EmitCode(code, arraysize(code));
}
builder.WriteTo(&buffer);
return buffer;
}
// Test an error in a section, found by the ModuleDecoder.
STREAM_TEST(TestErrorInSectionStreamFinishesFirst) {
StreamTester tester;
ZoneBuffer buffer = GetModuleWithInvalidSection(tester.zone());
tester.OnBytesReceived(buffer.begin(), buffer.end() - buffer.begin());
tester.FinishStream();
tester.RunCompilerTasks();
CHECK(tester.IsPromiseRejected());
}
STREAM_TEST(TestErrorInSectionCompilerFinishesFirst) {
StreamTester tester;
ZoneBuffer buffer = GetModuleWithInvalidSection(tester.zone());
tester.OnBytesReceived(buffer.begin(), buffer.end() - buffer.begin());
tester.RunCompilerTasks();
tester.FinishStream();
tester.RunCompilerTasks();
CHECK(tester.IsPromiseRejected());
}
STREAM_TEST(TestErrorInSectionWithCuts) {
StreamTester tester;
ZoneBuffer buffer = GetModuleWithInvalidSection(tester.zone());
const uint8_t* current = buffer.begin();
size_t remaining = buffer.end() - buffer.begin();
while (current < buffer.end()) {
size_t size = std::min(remaining, size_t{10});
tester.OnBytesReceived(current, size);
tester.RunCompilerTasks();
current += 10;
remaining -= size;
}
tester.FinishStream();
tester.RunCompilerTasks();
CHECK(tester.IsPromiseRejected());
}
ZoneBuffer GetModuleWithInvalidSectionSize(Zone* zone) {
// We get a valid module and overwrite the size of the first section with an
// invalid value.
ZoneBuffer buffer = GetValidModuleBytes(zone);
// 9 == 4 (wasm magic) + 4 (version) + 1 (section code)
uint8_t* section_size_address = const_cast<uint8_t*>(buffer.begin()) + 9;
// 0x808080800F is an invalid module size in leb encoding.
section_size_address[0] = 0x80;
section_size_address[1] = 0x80;
section_size_address[2] = 0x80;
section_size_address[3] = 0x80;
section_size_address[4] = 0x0F;
return buffer;
}
STREAM_TEST(TestErrorInSectionSizeStreamFinishesFirst) {
StreamTester tester;
ZoneBuffer buffer = GetModuleWithInvalidSectionSize(tester.zone());
tester.OnBytesReceived(buffer.begin(), buffer.end() - buffer.begin());
tester.FinishStream();
tester.RunCompilerTasks();
CHECK(tester.IsPromiseRejected());
}
STREAM_TEST(TestErrorInSectionSizeCompilerFinishesFirst) {
StreamTester tester;
ZoneBuffer buffer = GetModuleWithInvalidSectionSize(tester.zone());
tester.OnBytesReceived(buffer.begin(), buffer.end() - buffer.begin());
tester.RunCompilerTasks();
tester.FinishStream();
tester.RunCompilerTasks();
CHECK(tester.IsPromiseRejected());
}
STREAM_TEST(TestErrorInSectionSizeWithCuts) {
StreamTester tester;
ZoneBuffer buffer = GetModuleWithInvalidSectionSize(tester.zone());
const uint8_t* current = buffer.begin();
size_t remaining = buffer.end() - buffer.begin();
while (current < buffer.end()) {
size_t size = std::min(remaining, size_t{10});
tester.OnBytesReceived(current, size);
tester.RunCompilerTasks();
current += 10;
remaining -= size;
}
tester.RunCompilerTasks();
tester.FinishStream();
tester.RunCompilerTasks();
CHECK(tester.IsPromiseRejected());
}
// Test an error in the code section, found by the ModuleDecoder. The error is a
// functions count in the code section which differs from the functions count in
// the function section.
STREAM_TEST(TestErrorInCodeSectionDetectedByModuleDecoder) {
StreamTester tester;
uint8_t code[] = {
U32V_1(4), // body size
U32V_1(0), // locals count
kExprLocalGet, 0, kExprEnd // body
};
const uint8_t bytes[] = {
WASM_MODULE_HEADER, // module header
kTypeSectionCode, // section code
U32V_1(1 + SIZEOF_SIG_ENTRY_x_x), // section size
U32V_1(1), // type count
SIG_ENTRY_x_x(kLocalI32, kLocalI32), // signature entry
kFunctionSectionCode, // section code
U32V_1(1 + 3), // section size
U32V_1(3), // functions count
0, // signature index
0, // signature index
0, // signature index
kCodeSectionCode, // section code
U32V_1(1 + arraysize(code) * 2), // section size
U32V_1(2), // !!! invalid function count !!!
};
tester.OnBytesReceived(bytes, arraysize(bytes));
tester.OnBytesReceived(code, arraysize(code));
tester.OnBytesReceived(code, arraysize(code));
tester.FinishStream();
tester.RunCompilerTasks();
CHECK(tester.IsPromiseRejected());
}
// Test an error in the code section, found by the StreamingDecoder. The error
// is an invalid function body size, so that there are not enough bytes in the
// code section for the function body.
STREAM_TEST(TestErrorInCodeSectionDetectedByStreamingDecoder) {
StreamTester tester;
uint8_t code[] = {
U32V_1(26), // !!! invalid body size !!!
U32V_1(0), // locals count
kExprLocalGet, 0, kExprEnd // body
};
const uint8_t bytes[] = {
WASM_MODULE_HEADER, // module header
kTypeSectionCode, // section code
U32V_1(1 + SIZEOF_SIG_ENTRY_x_x), // section size
U32V_1(1), // type count
SIG_ENTRY_x_x(kLocalI32, kLocalI32), // signature entry
kFunctionSectionCode, // section code
U32V_1(1 + 3), // section size
U32V_1(3), // functions count
0, // signature index
0, // signature index
0, // signature index
kCodeSectionCode, // section code
U32V_1(1 + arraysize(code) * 3), // section size
U32V_1(3), // functions count
};
tester.OnBytesReceived(bytes, arraysize(bytes));
tester.OnBytesReceived(code, arraysize(code));
tester.OnBytesReceived(code, arraysize(code));
tester.OnBytesReceived(code, arraysize(code));
tester.FinishStream();
tester.RunCompilerTasks();
CHECK(tester.IsPromiseRejected());
}
// Test an error in the code section, found by the Compiler. The error is an
// invalid return type.
STREAM_TEST(TestErrorInCodeSectionDetectedByCompiler) {
StreamTester tester;
uint8_t code[] = {
U32V_1(4), // !!! invalid body size !!!
U32V_1(0), // locals count
kExprLocalGet, 0, kExprEnd // body
};
uint8_t invalid_code[] = {
U32V_1(4), // !!! invalid body size !!!
U32V_1(0), // locals count
kExprI64Const, 0, kExprEnd // body
};
const uint8_t bytes[] = {
WASM_MODULE_HEADER, // module header
kTypeSectionCode, // section code
U32V_1(1 + SIZEOF_SIG_ENTRY_x_x), // section size
U32V_1(1), // type count
SIG_ENTRY_x_x(kLocalI32, kLocalI32), // signature entry
kFunctionSectionCode, // section code
U32V_1(1 + 3), // section size
U32V_1(3), // functions count
0, // signature index
0, // signature index
0, // signature index
kCodeSectionCode, // section code
U32V_1(1 + arraysize(code) * 2 +
arraysize(invalid_code)), // section size
U32V_1(3), // functions count
};
tester.OnBytesReceived(bytes, arraysize(bytes));
tester.RunCompilerTasks();
tester.OnBytesReceived(code, arraysize(code));
tester.RunCompilerTasks();
tester.OnBytesReceived(invalid_code, arraysize(invalid_code));
tester.RunCompilerTasks();
tester.OnBytesReceived(code, arraysize(code));
tester.RunCompilerTasks();
tester.FinishStream();
tester.RunCompilerTasks();
CHECK(tester.IsPromiseRejected());
}
// Test Abort before any bytes arrive.
STREAM_TEST(TestAbortImmediately) {
StreamTester tester;
tester.stream()->Abort();
tester.RunCompilerTasks();
}
// Test Abort within a section.
STREAM_TEST(TestAbortWithinSection1) {
StreamTester tester;
const uint8_t bytes[] = {
WASM_MODULE_HEADER, // module header
kTypeSectionCode, // section code
U32V_1(1 + SIZEOF_SIG_ENTRY_x_x), // section size
U32V_1(1) // type count
// Type section is not yet complete.
};
tester.OnBytesReceived(bytes, arraysize(bytes));
tester.RunCompilerTasks();
tester.stream()->Abort();
tester.RunCompilerTasks();
}
// Test Abort within a section.
STREAM_TEST(TestAbortWithinSection2) {
StreamTester tester;
const uint8_t bytes[] = {
WASM_MODULE_HEADER, // module header
kTypeSectionCode, // section code
U32V_1(1 + SIZEOF_SIG_ENTRY_x_x), // section size
U32V_1(1), // type count
SIG_ENTRY_x_x(kLocalI32, kLocalI32), // signature entry
kFunctionSectionCode, // section code
U32V_1(1 + 3), // section size
U32V_1(3), // functions count
// Function section is not yet complete.
};
tester.OnBytesReceived(bytes, arraysize(bytes));
tester.RunCompilerTasks();
tester.stream()->Abort();
tester.RunCompilerTasks();
}
// Test Abort just before the code section.
STREAM_TEST(TestAbortAfterSection) {
StreamTester tester;
const uint8_t bytes[] = {
WASM_MODULE_HEADER, // module header
kTypeSectionCode, // section code
U32V_1(1 + SIZEOF_SIG_ENTRY_x_x), // section size
U32V_1(1), // type count
SIG_ENTRY_x_x(kLocalI32, kLocalI32), // signature entry
};
tester.OnBytesReceived(bytes, arraysize(bytes));
tester.RunCompilerTasks();
tester.stream()->Abort();
tester.RunCompilerTasks();
}
// Test Abort after the function count in the code section. The compiler tasks
// execute before the abort.
STREAM_TEST(TestAbortAfterFunctionsCount1) {
StreamTester tester;
const uint8_t bytes[] = {
WASM_MODULE_HEADER, // module header
kTypeSectionCode, // section code
U32V_1(1 + SIZEOF_SIG_ENTRY_x_x), // section size
U32V_1(1), // type count
SIG_ENTRY_x_x(kLocalI32, kLocalI32), // signature entry
kFunctionSectionCode, // section code
U32V_1(1 + 3), // section size
U32V_1(3), // functions count
0, // signature index
0, // signature index
0, // signature index
kCodeSectionCode, // section code
U32V_1(20), // section size
U32V_1(3), // functions count
};
tester.OnBytesReceived(bytes, arraysize(bytes));
tester.RunCompilerTasks();
tester.stream()->Abort();
tester.RunCompilerTasks();
}
// Test Abort after the function count in the code section. The compiler tasks
// do not execute before the abort.
STREAM_TEST(TestAbortAfterFunctionsCount2) {
StreamTester tester;
const uint8_t bytes[] = {
WASM_MODULE_HEADER, // module header
kTypeSectionCode, // section code
U32V_1(1 + SIZEOF_SIG_ENTRY_x_x), // section size
U32V_1(1), // type count
SIG_ENTRY_x_x(kLocalI32, kLocalI32), // signature entry
kFunctionSectionCode, // section code
U32V_1(1 + 3), // section size
U32V_1(3), // functions count
0, // signature index
0, // signature index
0, // signature index
kCodeSectionCode, // section code
U32V_1(20), // section size
U32V_1(3), // functions count
};
tester.OnBytesReceived(bytes, arraysize(bytes));
tester.stream()->Abort();
tester.RunCompilerTasks();
}
// Test Abort after some functions got compiled. The compiler tasks execute
// before the abort.
STREAM_TEST(TestAbortAfterFunctionGotCompiled1) {
StreamTester tester;
uint8_t code[] = {
U32V_1(4), // !!! invalid body size !!!
U32V_1(0), // locals count
kExprLocalGet, 0, kExprEnd // body
};
const uint8_t bytes[] = {
WASM_MODULE_HEADER, // module header
kTypeSectionCode, // section code
U32V_1(1 + SIZEOF_SIG_ENTRY_x_x), // section size
U32V_1(1), // type count
SIG_ENTRY_x_x(kLocalI32, kLocalI32), // signature entry
kFunctionSectionCode, // section code
U32V_1(1 + 3), // section size
U32V_1(3), // functions count
0, // signature index
0, // signature index
0, // signature index
kCodeSectionCode, // section code
U32V_1(20), // section size
U32V_1(3), // functions count
};
tester.OnBytesReceived(bytes, arraysize(bytes));
tester.OnBytesReceived(code, arraysize(code));
tester.RunCompilerTasks();
tester.stream()->Abort();
tester.RunCompilerTasks();
}
// Test Abort after some functions got compiled. The compiler tasks execute
// before the abort.
STREAM_TEST(TestAbortAfterFunctionGotCompiled2) {
StreamTester tester;
uint8_t code[] = {
U32V_1(4), // !!! invalid body size !!!
U32V_1(0), // locals count
kExprLocalGet, 0, kExprEnd // body
};
const uint8_t bytes[] = {
WASM_MODULE_HEADER, // module header
kTypeSectionCode, // section code
U32V_1(1 + SIZEOF_SIG_ENTRY_x_x), // section size
U32V_1(1), // type count
SIG_ENTRY_x_x(kLocalI32, kLocalI32), // signature entry
kFunctionSectionCode, // section code
U32V_1(1 + 3), // section size
U32V_1(3), // functions count
0, // signature index
0, // signature index
0, // signature index
kCodeSectionCode, // section code
U32V_1(20), // section size
U32V_1(3), // functions count
};
tester.OnBytesReceived(bytes, arraysize(bytes));
tester.OnBytesReceived(code, arraysize(code));
tester.stream()->Abort();
tester.RunCompilerTasks();
}
// Test Abort after all functions got compiled.
STREAM_TEST(TestAbortAfterCodeSection1) {
StreamTester tester;
uint8_t code[] = {
U32V_1(4), // body size
U32V_1(0), // locals count
kExprLocalGet, 0, kExprEnd // body
};
const uint8_t bytes[] = {
WASM_MODULE_HEADER, // module header
kTypeSectionCode, // section code
U32V_1(1 + SIZEOF_SIG_ENTRY_x_x), // section size
U32V_1(1), // type count
SIG_ENTRY_x_x(kLocalI32, kLocalI32), // signature entry
kFunctionSectionCode, // section code
U32V_1(1 + 3), // section size
U32V_1(3), // functions count
0, // signature index
0, // signature index
0, // signature index
kCodeSectionCode, // section code
U32V_1(1 + arraysize(code) * 3), // section size
U32V_1(3), // functions count
};
tester.OnBytesReceived(bytes, arraysize(bytes));
tester.OnBytesReceived(code, arraysize(code));
tester.OnBytesReceived(code, arraysize(code));
tester.OnBytesReceived(code, arraysize(code));
tester.RunCompilerTasks();
tester.stream()->Abort();
tester.RunCompilerTasks();
}
// Test Abort after all functions got compiled.
STREAM_TEST(TestAbortAfterCodeSection2) {
StreamTester tester;
uint8_t code[] = {
U32V_1(4), // body size
U32V_1(0), // locals count
kExprLocalGet, 0, kExprEnd // body
};
const uint8_t bytes[] = {
WASM_MODULE_HEADER, // module header
kTypeSectionCode, // section code
U32V_1(1 + SIZEOF_SIG_ENTRY_x_x), // section size
U32V_1(1), // type count
SIG_ENTRY_x_x(kLocalI32, kLocalI32), // signature entry
kFunctionSectionCode, // section code
U32V_1(1 + 3), // section size
U32V_1(3), // functions count
0, // signature index
0, // signature index
0, // signature index
kCodeSectionCode, // section code
U32V_1(1 + arraysize(code) * 3), // section size
U32V_1(3), // functions count
};
tester.OnBytesReceived(bytes, arraysize(bytes));
tester.OnBytesReceived(code, arraysize(code));
tester.OnBytesReceived(code, arraysize(code));
tester.OnBytesReceived(code, arraysize(code));
tester.stream()->Abort();
tester.RunCompilerTasks();
}
STREAM_TEST(TestAbortAfterCompilationError1) {
StreamTester tester;
uint8_t code[] = {
U32V_1(4), // !!! invalid body size !!!
U32V_1(0), // locals count
kExprLocalGet, 0, kExprEnd // body
};
uint8_t invalid_code[] = {
U32V_1(4), // !!! invalid body size !!!
U32V_1(0), // locals count
kExprI64Const, 0, kExprEnd // body
};
const uint8_t bytes[] = {
WASM_MODULE_HEADER, // module header
kTypeSectionCode, // section code
U32V_1(1 + SIZEOF_SIG_ENTRY_x_x), // section size
U32V_1(1), // type count
SIG_ENTRY_x_x(kLocalI32, kLocalI32), // signature entry
kFunctionSectionCode, // section code
U32V_1(1 + 3), // section size
U32V_1(3), // functions count
0, // signature index
0, // signature index
0, // signature index
kCodeSectionCode, // section code
U32V_1(1 + arraysize(code) * 2 +
arraysize(invalid_code)), // section size
U32V_1(3), // functions count
};
tester.OnBytesReceived(bytes, arraysize(bytes));
tester.OnBytesReceived(code, arraysize(code));
tester.OnBytesReceived(invalid_code, arraysize(invalid_code));
tester.OnBytesReceived(code, arraysize(code));
tester.RunCompilerTasks();
tester.stream()->Abort();
tester.RunCompilerTasks();
}
STREAM_TEST(TestAbortAfterCompilationError2) {
StreamTester tester;
uint8_t code[] = {
U32V_1(4), // !!! invalid body size !!!
U32V_1(0), // locals count
kExprLocalGet, 0, kExprEnd // body
};
uint8_t invalid_code[] = {
U32V_1(4), // !!! invalid body size !!!
U32V_1(0), // locals count
kExprI64Const, 0, kExprEnd // body
};
const uint8_t bytes[] = {
WASM_MODULE_HEADER, // module header
kTypeSectionCode, // section code
U32V_1(1 + SIZEOF_SIG_ENTRY_x_x), // section size
U32V_1(1), // type count
SIG_ENTRY_x_x(kLocalI32, kLocalI32), // signature entry
kFunctionSectionCode, // section code
U32V_1(1 + 3), // section size
U32V_1(3), // functions count
0, // signature index
0, // signature index
0, // signature index
kCodeSectionCode, // section code
U32V_1(1 + arraysize(code) * 2 +
arraysize(invalid_code)), // section size
U32V_1(3), // functions count
};
tester.OnBytesReceived(bytes, arraysize(bytes));
tester.OnBytesReceived(code, arraysize(code));
tester.OnBytesReceived(invalid_code, arraysize(invalid_code));
tester.OnBytesReceived(code, arraysize(code));
tester.stream()->Abort();
tester.RunCompilerTasks();
}
STREAM_TEST(TestOnlyModuleHeader) {
StreamTester tester;
const uint8_t bytes[] = {
WASM_MODULE_HEADER, // module header
};
tester.OnBytesReceived(bytes, arraysize(bytes));
tester.FinishStream();
tester.RunCompilerTasks();
CHECK(tester.IsPromiseFulfilled());
}
STREAM_TEST(TestModuleWithZeroFunctions) {
StreamTester tester;
const uint8_t bytes[] = {
WASM_MODULE_HEADER, // module header
kTypeSectionCode, // section code
U32V_1(1), // section size
U32V_1(0), // type count
kFunctionSectionCode, // section code
U32V_1(1), // section size
U32V_1(0), // functions count
kCodeSectionCode, // section code
U32V_1(1), // section size
U32V_1(0), // functions count
};
tester.OnBytesReceived(bytes, arraysize(bytes));
tester.FinishStream();
tester.RunCompilerTasks();
CHECK(tester.IsPromiseFulfilled());
}
STREAM_TEST(TestModuleWithMultipleFunctions) {
StreamTester tester;
uint8_t code[] = {
U32V_1(4), // body size
U32V_1(0), // locals count
kExprLocalGet, 0, kExprEnd // body
};
const uint8_t bytes[] = {
WASM_MODULE_HEADER, // module header
kTypeSectionCode, // section code
U32V_1(1 + SIZEOF_SIG_ENTRY_x_x), // section size
U32V_1(1), // type count
SIG_ENTRY_x_x(kLocalI32, kLocalI32), // signature entry
kFunctionSectionCode, // section code
U32V_1(1 + 3), // section size
U32V_1(3), // functions count
0, // signature index
0, // signature index
0, // signature index
kCodeSectionCode, // section code
U32V_1(1 + arraysize(code) * 3), // section size
U32V_1(3), // functions count
};
tester.OnBytesReceived(bytes, arraysize(bytes));
tester.OnBytesReceived(code, arraysize(code));
tester.OnBytesReceived(code, arraysize(code));
tester.RunCompilerTasks();
tester.OnBytesReceived(code, arraysize(code));
tester.FinishStream();
tester.RunCompilerTasks();
CHECK(tester.IsPromiseFulfilled());
}
STREAM_TEST(TestModuleWithDataSection) {
StreamTester tester;
uint8_t code[] = {
U32V_1(4), // body size
U32V_1(0), // locals count
kExprLocalGet, 0, kExprEnd // body
};
const uint8_t bytes[] = {
WASM_MODULE_HEADER, // module header
kTypeSectionCode, // section code
U32V_1(1 + SIZEOF_SIG_ENTRY_x_x), // section size
U32V_1(1), // type count
SIG_ENTRY_x_x(kLocalI32, kLocalI32), // signature entry
kFunctionSectionCode, // section code
U32V_1(1 + 3), // section size
U32V_1(3), // functions count
0, // signature index
0, // signature index
0, // signature index
kCodeSectionCode, // section code
U32V_1(1 + arraysize(code) * 3), // section size
U32V_1(3), // functions count
};
const uint8_t data_section[] = {
kDataSectionCode, // section code
U32V_1(1), // section size
U32V_1(0), // data segment count
};
tester.OnBytesReceived(bytes, arraysize(bytes));
tester.OnBytesReceived(code, arraysize(code));
tester.OnBytesReceived(code, arraysize(code));
tester.OnBytesReceived(code, arraysize(code));
tester.RunCompilerTasks();
tester.OnBytesReceived(data_section, arraysize(data_section));
tester.RunCompilerTasks();
tester.FinishStream();
tester.RunCompilerTasks();
CHECK(tester.IsPromiseFulfilled());
}
// Test that all bytes arrive before doing any compilation. FinishStream is
// called immediately.
STREAM_TEST(TestModuleWithImportedFunction) {
StreamTester tester;
ZoneBuffer buffer(tester.zone());
TestSignatures sigs;
WasmModuleBuilder builder(tester.zone());
builder.AddImport(ArrayVector("Test"), sigs.i_iii());
{
WasmFunctionBuilder* f = builder.AddFunction(sigs.i_iii());
uint8_t code[] = {kExprLocalGet, 0, kExprEnd};
f->EmitCode(code, arraysize(code));
}
builder.WriteTo(&buffer);
tester.OnBytesReceived(buffer.begin(), buffer.end() - buffer.begin());
tester.FinishStream();
tester.RunCompilerTasks();
CHECK(tester.IsPromiseFulfilled());
}
STREAM_TEST(TestModuleWithErrorAfterDataSection) {
StreamTester tester;
const uint8_t bytes[] = {
WASM_MODULE_HEADER, // module header
kTypeSectionCode, // section code
U32V_1(1 + SIZEOF_SIG_ENTRY_x_x), // section size
U32V_1(1), // type count
SIG_ENTRY_x_x(kLocalI32, kLocalI32), // signature entry
kFunctionSectionCode, // section code
U32V_1(1 + 1), // section size
U32V_1(1), // functions count
0, // signature index
kCodeSectionCode, // section code
U32V_1(6), // section size
U32V_1(1), // functions count
U32V_1(4), // body size
U32V_1(0), // locals count
kExprLocalGet, // some code
0, // some code
kExprEnd, // some code
kDataSectionCode, // section code
U32V_1(1), // section size
U32V_1(0), // data segment count
kUnknownSectionCode, // section code
U32V_1(1), // invalid section size
};
tester.OnBytesReceived(bytes, arraysize(bytes));
tester.FinishStream();
tester.RunCompilerTasks();
CHECK(tester.IsPromiseRejected());
}
// Test that cached bytes work.
STREAM_TEST(TestDeserializationBypassesCompilation) {
StreamTester tester;
ZoneBuffer wire_bytes = GetValidModuleBytes(tester.zone());
ZoneBuffer module_bytes =
GetValidCompiledModuleBytes(tester.zone(), wire_bytes);
tester.SetCompiledModuleBytes(module_bytes.begin(), module_bytes.size());
tester.OnBytesReceived(wire_bytes.begin(), wire_bytes.size());
tester.FinishStream();
tester.RunCompilerTasks();
CHECK(tester.IsPromiseFulfilled());
}
// Test that bad cached bytes don't cause compilation of wire bytes to fail.
STREAM_TEST(TestDeserializationFails) {
StreamTester tester;
ZoneBuffer wire_bytes = GetValidModuleBytes(tester.zone());
ZoneBuffer module_bytes =
GetValidCompiledModuleBytes(tester.zone(), wire_bytes);
// corrupt header
byte first_byte = *module_bytes.begin();
module_bytes.patch_u8(0, first_byte + 1);
tester.SetCompiledModuleBytes(module_bytes.begin(), module_bytes.size());
tester.OnBytesReceived(wire_bytes.begin(), wire_bytes.size());
tester.FinishStream();
tester.RunCompilerTasks();
CHECK(tester.IsPromiseFulfilled());
}
// Test that a non-empty function section with a missing code section fails.
STREAM_TEST(TestFunctionSectionWithoutCodeSection) {
StreamTester tester;
const uint8_t bytes[] = {
WASM_MODULE_HEADER, // module header
kTypeSectionCode, // section code
U32V_1(1 + SIZEOF_SIG_ENTRY_x_x), // section size
U32V_1(1), // type count
SIG_ENTRY_x_x(kLocalI32, kLocalI32), // signature entry
kFunctionSectionCode, // section code
U32V_1(1 + 3), // section size
U32V_1(3), // functions count
0, // signature index
0, // signature index
0, // signature index
};
tester.OnBytesReceived(bytes, arraysize(bytes));
tester.FinishStream();
tester.RunCompilerTasks();
CHECK(tester.IsPromiseRejected());
}
STREAM_TEST(TestSetModuleCompiledCallback) {
StreamTester tester;
bool callback_called = false;
tester.stream()->SetModuleCompiledCallback(
[&callback_called](const std::shared_ptr<NativeModule> module) {
callback_called = true;
});
uint8_t code[] = {
U32V_1(4), // body size
U32V_1(0), // locals count
kExprLocalGet, 0, kExprEnd // body
};
const uint8_t bytes[] = {
WASM_MODULE_HEADER, // module header
kTypeSectionCode, // section code
U32V_1(1 + SIZEOF_SIG_ENTRY_x_x), // section size
U32V_1(1), // type count
SIG_ENTRY_x_x(kLocalI32, kLocalI32), // signature entry
kFunctionSectionCode, // section code
U32V_1(1 + 3), // section size
U32V_1(3), // functions count
0, // signature index
0, // signature index
0, // signature index
kCodeSectionCode, // section code
U32V_1(1 + arraysize(code) * 3), // section size
U32V_1(3), // functions count
};
tester.OnBytesReceived(bytes, arraysize(bytes));
tester.OnBytesReceived(code, arraysize(code));
tester.OnBytesReceived(code, arraysize(code));
tester.OnBytesReceived(code, arraysize(code));
tester.FinishStream();
tester.RunCompilerTasks();
CHECK(tester.IsPromiseFulfilled());
CHECK(callback_called);
}
// Test that a compile error contains the name of the function, even if the name
// section is not present at the time the error is detected.
STREAM_TEST(TestCompileErrorFunctionName) {
const uint8_t bytes_module_with_code[] = {
WASM_MODULE_HEADER, // module header
kTypeSectionCode, // section code
U32V_1(1 + SIZEOF_SIG_ENTRY_x_x), // section size
U32V_1(1), // type count
SIG_ENTRY_x_x(kLocalI32, kLocalI32), // signature entry
kFunctionSectionCode, // section code
U32V_1(2), // section size
U32V_1(1), // functions count
0, // signature index
kCodeSectionCode, // section code
U32V_1(4), // section size
U32V_1(1), // functions count
2, // body size
0, // local definitions count
kExprNop, // body
};
const uint8_t bytes_names[] = {
kUnknownSectionCode, // section code
U32V_1(11), // section size
4, // section name length
'n', // section name
'a', // section name
'm', // section name
'e', // section name
NameSectionKindCode::kFunction, // name section kind
4, // name section kind length
1, // num function names
0, // function index
1, // function name length
'f', // function name
};
for (bool late_names : {false, true}) {
StreamTester tester;
tester.OnBytesReceived(bytes_module_with_code,
arraysize(bytes_module_with_code));
if (late_names) tester.RunCompilerTasks();
tester.OnBytesReceived(bytes_names, arraysize(bytes_names));
tester.FinishStream();
tester.RunCompilerTasks();
CHECK(tester.IsPromiseRejected());
CHECK_EQ(
"CompileError: WebAssembly.compileStreaming(): Compiling function "
"#0:\"f\" failed: function body must end with \"end\" opcode @+26",
tester.error_message());
}
}
STREAM_TEST(TestSetModuleCodeSection) {
StreamTester tester;
uint8_t code[] = {
U32V_1(1), // functions count
U32V_1(4), // body size
U32V_1(0), // locals count
kExprLocalGet, 0, kExprEnd // body
};
const uint8_t bytes[] = {
WASM_MODULE_HEADER, // module header
kTypeSectionCode, // section code
U32V_1(1 + SIZEOF_SIG_ENTRY_x_x), // section size
U32V_1(1), // type count
SIG_ENTRY_x_x(kLocalI32, kLocalI32), // signature entry
kFunctionSectionCode, // section code
U32V_1(1 + 1), // section size
U32V_1(1), // functions count
0, // signature index
kCodeSectionCode, // section code
U32V_1(arraysize(code)), // section size
};
tester.OnBytesReceived(bytes, arraysize(bytes));
tester.OnBytesReceived(code, arraysize(code));
tester.FinishStream();
tester.RunCompilerTasks();
CHECK_EQ(tester.native_module()->module()->code.offset(), arraysize(bytes));
CHECK_EQ(tester.native_module()->module()->code.length(), arraysize(code));
CHECK(tester.IsPromiseFulfilled());
}
// Test that profiler does not crash when module is only partly compiled.
STREAM_TEST(TestProfilingMidStreaming) {
StreamTester tester;
v8::Isolate* isolate = CcTest::isolate();
Isolate* i_isolate = CcTest::i_isolate();
Zone* zone = tester.zone();
// Build module with one exported (named) function.
ZoneBuffer buffer(zone);
{
TestSignatures sigs;
WasmModuleBuilder builder(zone);
WasmFunctionBuilder* f = builder.AddFunction(sigs.v_v());
uint8_t code[] = {kExprEnd};
f->EmitCode(code, arraysize(code));
builder.AddExport(VectorOf("foo", 3), f);
builder.WriteTo(&buffer);
}
// Start profiler to force code logging.
v8::CpuProfiler* cpu_profiler = v8::CpuProfiler::New(isolate);
v8::CpuProfilingOptions profile_options;
cpu_profiler->StartProfiling(v8::String::Empty(isolate), profile_options);
// Send incomplete wire bytes and start compilation.
tester.OnBytesReceived(buffer.begin(), buffer.end() - buffer.begin());
tester.RunCompilerTasks();
// Trigger code logging explicitly like the profiler would do.
CHECK(WasmCode::ShouldBeLogged(i_isolate));
i_isolate->wasm_engine()->LogOutstandingCodesForIsolate(i_isolate);
CHECK(tester.IsPromisePending());
// Finalize stream, stop profiler and clean up.
tester.FinishStream();
CHECK(tester.IsPromiseFulfilled());
v8::CpuProfile* profile =
cpu_profiler->StopProfiling(v8::String::Empty(isolate));
profile->Delete();
cpu_profiler->Dispose();
}
#undef STREAM_TEST
} // namespace wasm
} // namespace internal
} // namespace v8