4c986c625f
Bug: v8:9247 Change-Id: I0023200c54fa6499ae4e2cf5e4c89407cc35f187 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1624218 Reviewed-by: Michael Lippautz <mlippautz@chromium.org> Reviewed-by: Andreas Haas <ahaas@chromium.org> Reviewed-by: Leszek Swirski <leszeks@chromium.org> Reviewed-by: Toon Verwaest <verwaest@chromium.org> Reviewed-by: Michael Stanton <mvstanton@chromium.org> Commit-Queue: Yang Guo <yangguo@chromium.org> Cr-Commit-Position: refs/heads/master@{#61762}
279 lines
10 KiB
C++
279 lines
10 KiB
C++
// Copyright 2016 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "test/common/wasm/wasm-module-runner.h"
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#include "src/execution/isolate.h"
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#include "src/handles/handles.h"
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#include "src/objects-inl.h"
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#include "src/objects/heap-number-inl.h"
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#include "src/objects/property-descriptor.h"
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#include "src/wasm/module-decoder.h"
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#include "src/wasm/wasm-engine.h"
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#include "src/wasm/wasm-interpreter.h"
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#include "src/wasm/wasm-js.h"
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#include "src/wasm/wasm-module.h"
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#include "src/wasm/wasm-objects.h"
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#include "src/wasm/wasm-result.h"
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namespace v8 {
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namespace internal {
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namespace wasm {
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namespace testing {
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uint32_t GetInitialMemSize(const WasmModule* module) {
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return kWasmPageSize * module->initial_pages;
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}
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MaybeHandle<WasmModuleObject> CompileForTesting(Isolate* isolate,
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ErrorThrower* thrower,
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const ModuleWireBytes& bytes) {
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auto enabled_features = WasmFeaturesFromIsolate(isolate);
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MaybeHandle<WasmModuleObject> module = isolate->wasm_engine()->SyncCompile(
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isolate, enabled_features, thrower, bytes);
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DCHECK_EQ(thrower->error(), module.is_null());
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return module;
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}
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MaybeHandle<WasmInstanceObject> CompileAndInstantiateForTesting(
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Isolate* isolate, ErrorThrower* thrower, const ModuleWireBytes& bytes) {
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MaybeHandle<WasmModuleObject> module =
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CompileForTesting(isolate, thrower, bytes);
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if (module.is_null()) return {};
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return isolate->wasm_engine()->SyncInstantiate(
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isolate, thrower, module.ToHandleChecked(), {}, {});
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}
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std::shared_ptr<WasmModule> DecodeWasmModuleForTesting(
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Isolate* isolate, ErrorThrower* thrower, const byte* module_start,
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const byte* module_end, ModuleOrigin origin, bool verify_functions) {
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// Decode the module, but don't verify function bodies, since we'll
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// be compiling them anyway.
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auto enabled_features = WasmFeaturesFromIsolate(isolate);
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ModuleResult decoding_result = DecodeWasmModule(
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enabled_features, module_start, module_end, verify_functions, origin,
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isolate->counters(), isolate->wasm_engine()->allocator());
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if (decoding_result.failed()) {
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// Module verification failed. throw.
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thrower->CompileError("DecodeWasmModule failed: %s",
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decoding_result.error().message().c_str());
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}
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return std::move(decoding_result).value();
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}
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bool InterpretWasmModuleForTesting(Isolate* isolate,
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Handle<WasmInstanceObject> instance,
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const char* name, size_t argc,
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WasmValue* args) {
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HandleScope handle_scope(isolate); // Avoid leaking handles.
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WasmCodeRefScope code_ref_scope;
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MaybeHandle<WasmExportedFunction> maybe_function =
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GetExportedFunction(isolate, instance, "main");
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Handle<WasmExportedFunction> function;
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if (!maybe_function.ToHandle(&function)) {
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return false;
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}
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int function_index = function->function_index();
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FunctionSig* signature = instance->module()->functions[function_index].sig;
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size_t param_count = signature->parameter_count();
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std::unique_ptr<WasmValue[]> arguments(new WasmValue[param_count]);
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size_t arg_count = std::min(param_count, argc);
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if (arg_count > 0) {
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memcpy(arguments.get(), args, arg_count);
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}
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// Fill the parameters up with default values.
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for (size_t i = argc; i < param_count; ++i) {
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switch (signature->GetParam(i)) {
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case kWasmI32:
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arguments[i] = WasmValue(int32_t{0});
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break;
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case kWasmI64:
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arguments[i] = WasmValue(int64_t{0});
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break;
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case kWasmF32:
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arguments[i] = WasmValue(0.0f);
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break;
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case kWasmF64:
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arguments[i] = WasmValue(0.0);
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break;
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default:
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UNREACHABLE();
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}
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}
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// Don't execute more than 16k steps.
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constexpr int kMaxNumSteps = 16 * 1024;
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Zone zone(isolate->allocator(), ZONE_NAME);
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WasmInterpreter* interpreter = WasmDebugInfo::SetupForTesting(instance);
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WasmInterpreter::Thread* thread = interpreter->GetThread(0);
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thread->Reset();
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// Start an activation so that we can deal with stack overflows. We do not
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// finish the activation. An activation is just part of the state of the
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// interpreter, and we do not reuse the interpreter anyways. In addition,
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// finishing the activation is not correct in all cases, e.g. when the
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// execution of the interpreter did not finish after kMaxNumSteps.
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thread->StartActivation();
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thread->InitFrame(&instance->module()->functions[function_index],
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arguments.get());
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WasmInterpreter::State interpreter_result = thread->Run(kMaxNumSteps);
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isolate->clear_pending_exception();
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return interpreter_result != WasmInterpreter::PAUSED;
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}
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int32_t RunWasmModuleForTesting(Isolate* isolate,
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Handle<WasmInstanceObject> instance, int argc,
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Handle<Object> argv[]) {
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ErrorThrower thrower(isolate, "RunWasmModule");
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return CallWasmFunctionForTesting(isolate, instance, &thrower, "main", argc,
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argv);
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}
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int32_t CompileAndRunWasmModule(Isolate* isolate, const byte* module_start,
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const byte* module_end) {
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HandleScope scope(isolate);
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ErrorThrower thrower(isolate, "CompileAndRunWasmModule");
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MaybeHandle<WasmInstanceObject> instance = CompileAndInstantiateForTesting(
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isolate, &thrower, ModuleWireBytes(module_start, module_end));
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if (instance.is_null()) {
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return -1;
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}
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return RunWasmModuleForTesting(isolate, instance.ToHandleChecked(), 0,
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nullptr);
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}
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int32_t CompileAndRunAsmWasmModule(Isolate* isolate, const byte* module_start,
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const byte* module_end) {
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HandleScope scope(isolate);
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ErrorThrower thrower(isolate, "CompileAndRunAsmWasmModule");
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MaybeHandle<AsmWasmData> data =
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isolate->wasm_engine()->SyncCompileTranslatedAsmJs(
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isolate, &thrower, ModuleWireBytes(module_start, module_end),
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Vector<const byte>(), Handle<HeapNumber>());
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DCHECK_EQ(thrower.error(), data.is_null());
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if (data.is_null()) return -1;
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MaybeHandle<WasmModuleObject> module =
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isolate->wasm_engine()->FinalizeTranslatedAsmJs(
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isolate, data.ToHandleChecked(), Handle<Script>::null());
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MaybeHandle<WasmInstanceObject> instance =
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isolate->wasm_engine()->SyncInstantiate(
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isolate, &thrower, module.ToHandleChecked(),
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Handle<JSReceiver>::null(), Handle<JSArrayBuffer>::null());
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DCHECK_EQ(thrower.error(), instance.is_null());
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if (instance.is_null()) return -1;
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return RunWasmModuleForTesting(isolate, instance.ToHandleChecked(), 0,
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nullptr);
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}
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WasmInterpretationResult InterpretWasmModule(
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Isolate* isolate, Handle<WasmInstanceObject> instance,
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int32_t function_index, WasmValue* args) {
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// Don't execute more than 16k steps.
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constexpr int kMaxNumSteps = 16 * 1024;
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Zone zone(isolate->allocator(), ZONE_NAME);
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v8::internal::HandleScope scope(isolate);
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WasmInterpreter* interpreter = WasmDebugInfo::SetupForTesting(instance);
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WasmInterpreter::Thread* thread = interpreter->GetThread(0);
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thread->Reset();
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// Start an activation so that we can deal with stack overflows. We do not
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// finish the activation. An activation is just part of the state of the
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// interpreter, and we do not reuse the interpreter anyways. In addition,
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// finishing the activation is not correct in all cases, e.g. when the
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// execution of the interpreter did not finish after kMaxNumSteps.
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thread->StartActivation();
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thread->InitFrame(&(instance->module()->functions[function_index]), args);
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WasmInterpreter::State interpreter_result = thread->Run(kMaxNumSteps);
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bool stack_overflow = isolate->has_pending_exception();
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isolate->clear_pending_exception();
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if (stack_overflow) return WasmInterpretationResult::Stopped();
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if (thread->state() == WasmInterpreter::TRAPPED) {
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return WasmInterpretationResult::Trapped(thread->PossibleNondeterminism());
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}
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if (interpreter_result == WasmInterpreter::FINISHED) {
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return WasmInterpretationResult::Finished(
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thread->GetReturnValue().to<int32_t>(),
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thread->PossibleNondeterminism());
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}
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return WasmInterpretationResult::Stopped();
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}
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MaybeHandle<WasmExportedFunction> GetExportedFunction(
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Isolate* isolate, Handle<WasmInstanceObject> instance, const char* name) {
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Handle<JSObject> exports_object;
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Handle<Name> exports = isolate->factory()->InternalizeUtf8String("exports");
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exports_object = Handle<JSObject>::cast(
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JSObject::GetProperty(isolate, instance, exports).ToHandleChecked());
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Handle<Name> main_name = isolate->factory()->NewStringFromAsciiChecked(name);
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PropertyDescriptor desc;
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Maybe<bool> property_found = JSReceiver::GetOwnPropertyDescriptor(
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isolate, exports_object, main_name, &desc);
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if (!property_found.FromMaybe(false)) return {};
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if (!desc.value()->IsJSFunction()) return {};
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return Handle<WasmExportedFunction>::cast(desc.value());
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}
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int32_t CallWasmFunctionForTesting(Isolate* isolate,
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Handle<WasmInstanceObject> instance,
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ErrorThrower* thrower, const char* name,
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int argc, Handle<Object> argv[]) {
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MaybeHandle<WasmExportedFunction> maybe_export =
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GetExportedFunction(isolate, instance, name);
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Handle<WasmExportedFunction> main_export;
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if (!maybe_export.ToHandle(&main_export)) {
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return -1;
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}
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// Call the JS function.
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Handle<Object> undefined = isolate->factory()->undefined_value();
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MaybeHandle<Object> retval =
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Execution::Call(isolate, main_export, undefined, argc, argv);
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// The result should be a number.
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if (retval.is_null()) {
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DCHECK(isolate->has_pending_exception());
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isolate->clear_pending_exception();
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thrower->RuntimeError("Calling exported wasm function failed.");
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return -1;
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}
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Handle<Object> result = retval.ToHandleChecked();
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if (result->IsSmi()) {
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return Smi::ToInt(*result);
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}
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if (result->IsHeapNumber()) {
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return static_cast<int32_t>(HeapNumber::cast(*result)->value());
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}
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thrower->RuntimeError(
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"Calling exported wasm function failed: Return value should be number");
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return -1;
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}
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void SetupIsolateForWasmModule(Isolate* isolate) {
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WasmJs::Install(isolate, true);
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}
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} // namespace testing
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} // namespace wasm
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} // namespace internal
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} // namespace v8
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