Line data    Source code

       1             : // Copyright 2016 the V8 project authors. All rights reserved.
       2             : // Use of this source code is governed by a BSD-style license that can be
       3             : // found in the LICENSE file.
       4             : 
       5             : #include <stddef.h>
       6             : #include <stdint.h>
       7             : 
       8             : #include "src/isolate.h"
       9             : #include "src/objects-inl.h"
      10             : #include "src/objects.h"
      11             : #include "src/wasm/wasm-interpreter.h"
      12             : #include "src/wasm/wasm-module-builder.h"
      13             : #include "test/common/wasm/test-signatures.h"
      14             : #include "test/fuzzer/wasm-fuzzer-common.h"
      15             : 
      16             : namespace v8 {
      17             : namespace internal {
      18             : namespace wasm {
      19             : namespace fuzzer {
      20             : 
      21           2 : class WasmCodeFuzzer : public WasmExecutionFuzzer {
      22           1 :   bool GenerateModule(
      23             :       Isolate* isolate, Zone* zone, Vector<const uint8_t> data,
      24             :       ZoneBuffer& buffer, int32_t& num_args,
      25             :       std::unique_ptr<WasmValue[]>& interpreter_args,
      26             :       std::unique_ptr<Handle<Object>[]>& compiler_args) override {
      27           1 :     TestSignatures sigs;
      28           1 :     WasmModuleBuilder builder(zone);
      29           1 :     WasmFunctionBuilder* f = builder.AddFunction(sigs.i_iii());
      30           1 :     f->EmitCode(data.start(), static_cast<uint32_t>(data.size()));
      31           1 :     uint8_t end_opcode = kExprEnd;
      32           1 :     f->EmitCode(&end_opcode, 1);
      33           1 :     builder.AddExport(CStrVector("main"), f);
      34             : 
      35           1 :     builder.SetMaxMemorySize(32);
      36           1 :     builder.WriteTo(buffer);
      37           1 :     num_args = 3;
      38           1 :     interpreter_args.reset(
      39             :         new WasmValue[3]{WasmValue(1), WasmValue(2), WasmValue(3)});
      40             : 
      41           1 :     compiler_args.reset(new Handle<Object>[3]{
      42             :         handle(Smi::FromInt(1), isolate), handle(Smi::FromInt(2), isolate),
      43             :         handle(Smi::FromInt(3), isolate)});
      44           1 :     return true;
      45             :   }
      46             : };
      47             : 
      48           1 : extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
      49           3 :   WasmCodeFuzzer().FuzzWasmModule({data, size});
      50           1 :   return 0;
      51             : }
      52             : 
      53             : }  // namespace fuzzer
      54             : }  // namespace wasm
      55             : }  // namespace internal
      56           2 : }  // namespace v8