afb7bdc46a
Note that this also makes it possible to move several classes into the module-compiler.cc file and inline their implementations. This also allows removing several uses of wasm-module.h from other places in V8 that include wasm-objects.h. R=yangguo@chromium.org,clemensh@chromium.org,ahaas@chromium.org Bug: Cq-Include-Trybots: master.tryserver.chromium.linux:linux_chromium_rel_ng Change-Id: I303ee2bb49dc53c951d377a1b65699c1e0e91da7 Reviewed-on: https://chromium-review.googlesource.com/687494 Reviewed-by: Yang Guo <yangguo@chromium.org> Reviewed-by: Andreas Haas <ahaas@chromium.org> Commit-Queue: Ben Titzer <titzer@chromium.org> Cr-Commit-Position: refs/heads/master@{#48204}
120 lines
4.0 KiB
C++
120 lines
4.0 KiB
C++
// 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 <limits.h>
|
|
#include <stddef.h>
|
|
#include <stdint.h>
|
|
|
|
#include "include/v8.h"
|
|
#include "src/api.h"
|
|
#include "src/factory.h"
|
|
#include "src/isolate-inl.h"
|
|
#include "src/isolate.h"
|
|
#include "src/objects-inl.h"
|
|
#include "src/objects.h"
|
|
#include "src/wasm/module-compiler.h"
|
|
#include "src/wasm/wasm-api.h"
|
|
#include "src/wasm/wasm-module.h"
|
|
#include "test/common/wasm/flag-utils.h"
|
|
#include "test/common/wasm/wasm-module-runner.h"
|
|
#include "test/fuzzer/fuzzer-support.h"
|
|
#include "test/fuzzer/wasm-fuzzer-common.h"
|
|
|
|
namespace v8 {
|
|
namespace internal {
|
|
class WasmModuleObject;
|
|
|
|
namespace wasm {
|
|
namespace fuzzer {
|
|
|
|
#define ASSIGN(type, var, expr) \
|
|
v8::Local<type> var; \
|
|
do { \
|
|
if (!expr.ToLocal(&var)) { \
|
|
DCHECK(i_isolate->has_scheduled_exception()); \
|
|
return 0; \
|
|
} else { \
|
|
DCHECK(!i_isolate->has_scheduled_exception()); \
|
|
} \
|
|
} while (false)
|
|
|
|
namespace {
|
|
// We need this helper function because we cannot use
|
|
// Handle<WasmModuleObject>::cast here. To use this function we would have to
|
|
// mark it with V8_EXPORT_PRIVATE, which is quite ugly in this case.
|
|
Handle<WasmModuleObject> ToWasmModuleObjectUnchecked(Handle<Object> that) {
|
|
return handle(reinterpret_cast<WasmModuleObject*>(*that));
|
|
}
|
|
}
|
|
|
|
void InstantiateCallback(const FunctionCallbackInfo<Value>& args) {
|
|
DCHECK_GE(args.Length(), 1);
|
|
v8::Isolate* isolate = args.GetIsolate();
|
|
MicrotasksScope does_not_run_microtasks(
|
|
isolate, v8::MicrotasksScope::kDoNotRunMicrotasks);
|
|
|
|
v8::HandleScope scope(isolate);
|
|
|
|
Local<v8::Value> module = args[0];
|
|
|
|
i::Isolate* i_isolate = reinterpret_cast<i::Isolate*>(isolate);
|
|
|
|
Handle<WasmModuleObject> module_obj =
|
|
ToWasmModuleObjectUnchecked(Utils::OpenHandle(v8::Object::Cast(*module)));
|
|
InterpretAndExecuteModule(i_isolate, module_obj);
|
|
}
|
|
|
|
extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
|
|
FlagScope<bool> turn_on_async_compile(
|
|
&v8::internal::FLAG_wasm_async_compilation, true);
|
|
FlagScope<uint32_t> max_mem_flag_scope(&v8::internal::FLAG_wasm_max_mem_pages,
|
|
32);
|
|
FlagScope<uint32_t> max_table_size_scope(
|
|
&v8::internal::FLAG_wasm_max_table_size, 100);
|
|
v8_fuzzer::FuzzerSupport* support = v8_fuzzer::FuzzerSupport::Get();
|
|
v8::Isolate* isolate = support->GetIsolate();
|
|
i::Isolate* i_isolate = reinterpret_cast<v8::internal::Isolate*>(isolate);
|
|
|
|
// Clear any pending exceptions from a prior run.
|
|
if (i_isolate->has_pending_exception()) {
|
|
i_isolate->clear_pending_exception();
|
|
}
|
|
|
|
v8::Isolate::Scope isolate_scope(isolate);
|
|
v8::HandleScope handle_scope(isolate);
|
|
i::HandleScope internal_scope(i_isolate);
|
|
v8::Context::Scope context_scope(support->GetContext());
|
|
TryCatch try_catch(isolate);
|
|
testing::SetupIsolateForWasmModule(i_isolate);
|
|
|
|
// Get the promise for async compilation.
|
|
ASSIGN(Promise::Resolver, resolver,
|
|
Promise::Resolver::New(support->GetContext()));
|
|
Local<Promise> promise = resolver->GetPromise();
|
|
|
|
AsyncCompile(i_isolate, Utils::OpenHandle(*promise),
|
|
ModuleWireBytes(data, data + size));
|
|
|
|
ASSIGN(Function, instantiate_impl,
|
|
Function::New(support->GetContext(), &InstantiateCallback,
|
|
Undefined(isolate)));
|
|
|
|
ASSIGN(Promise, result,
|
|
promise->Then(support->GetContext(), instantiate_impl));
|
|
|
|
// Wait for the promise to resolve.
|
|
while (result->State() == Promise::kPending) {
|
|
support->PumpMessageLoop(platform::MessageLoopBehavior::kWaitForWork);
|
|
isolate->RunMicrotasks();
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
#undef ASSIGN
|
|
|
|
} // namespace fuzzer
|
|
} // namespace wasm
|
|
} // namespace internal
|
|
} // namespace v8
|