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94 lines
2.4 KiB
94 lines
2.4 KiB
// 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/fuzzer/fuzzer-support.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "include/libplatform/libplatform.h"
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#include "src/flags.h"
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namespace v8_fuzzer {
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namespace {
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FuzzerSupport* g_fuzzer_support = nullptr;
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void DeleteFuzzerSupport() {
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if (g_fuzzer_support) {
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delete g_fuzzer_support;
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g_fuzzer_support = nullptr;
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}
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}
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} // namespace
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FuzzerSupport::FuzzerSupport(int* argc, char*** argv) {
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v8::internal::FLAG_expose_gc = true;
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v8::V8::SetFlagsFromCommandLine(argc, *argv, true);
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v8::V8::InitializeICUDefaultLocation((*argv)[0]);
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v8::V8::InitializeExternalStartupData((*argv)[0]);
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platform_ = v8::platform::CreateDefaultPlatform();
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v8::V8::InitializePlatform(platform_);
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v8::V8::Initialize();
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allocator_ = v8::ArrayBuffer::Allocator::NewDefaultAllocator();
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v8::Isolate::CreateParams create_params;
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create_params.array_buffer_allocator = allocator_;
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isolate_ = v8::Isolate::New(create_params);
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{
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v8::Isolate::Scope isolate_scope(isolate_);
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v8::HandleScope handle_scope(isolate_);
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context_.Reset(isolate_, v8::Context::New(isolate_));
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}
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}
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FuzzerSupport::~FuzzerSupport() {
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{
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v8::Isolate::Scope isolate_scope(isolate_);
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while (v8::platform::PumpMessageLoop(platform_, isolate_)) /* empty */
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;
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v8::HandleScope handle_scope(isolate_);
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context_.Reset();
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}
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isolate_->LowMemoryNotification();
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isolate_->Dispose();
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isolate_ = nullptr;
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delete allocator_;
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allocator_ = nullptr;
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v8::V8::Dispose();
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v8::V8::ShutdownPlatform();
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delete platform_;
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platform_ = nullptr;
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}
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// static
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FuzzerSupport* FuzzerSupport::Get() { return g_fuzzer_support; }
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v8::Isolate* FuzzerSupport::GetIsolate() { return isolate_; }
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v8::Local<v8::Context> FuzzerSupport::GetContext() {
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v8::Isolate::Scope isolate_scope(isolate_);
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v8::EscapableHandleScope handle_scope(isolate_);
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v8::Local<v8::Context> context =
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v8::Local<v8::Context>::New(isolate_, context_);
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return handle_scope.Escape(context);
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}
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} // namespace v8_fuzzer
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extern "C" int LLVMFuzzerInitialize(int* argc, char*** argv) {
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v8_fuzzer::g_fuzzer_support = new v8_fuzzer::FuzzerSupport(argc, argv);
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atexit(&v8_fuzzer::DeleteFuzzerSupport);
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return 0;
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}
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