lldb/tools/lldb-fuzzer/lldb-commandinterpreter-fuzzer/lldb-commandinterpreter-fuzzer.cpp

   1 //===-- lldb-commandinterpreter-fuzzer.cpp -------------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===---------------------------------------------------------------------===//
   8
   9 #include <string>
  10
  11 #include "lldb/API/SBCommandInterpreter.h"
  12 #include "lldb/API/SBCommandInterpreterRunOptions.h"
  13 #include "lldb/API/SBCommandReturnObject.h"
  14 #include "lldb/API/SBDebugger.h"
  15 #include "lldb/API/SBTarget.h"
  16
  17 using namespace lldb;
  18
  19 extern "C" int LLVMFuzzerInitialize(int *argc, char ***argv) {
  20   SBDebugger::Initialize();
  21   return 0;
  22 }
  23
  24 extern "C" int LLVMFuzzerTestOneInput(uint8_t *data, size_t size) {
  25   // Convert the data into a null-terminated string
  26   std::string str((char *)data, size);
  27
  28   // Create a debugger and a dummy target
  29   SBDebugger debugger = SBDebugger::Create(false);
  30   SBTarget target = debugger.GetDummyTarget();
  31
  32   // Create a command interpreter for the current debugger
  33   // A return object is needed to run the command interpreter
  34   SBCommandReturnObject ro = SBCommandReturnObject();
  35   SBCommandInterpreter ci = debugger.GetCommandInterpreter();
  36
  37   // Use the fuzzer generated input as input for the command interpreter
  38   if (ci.IsValid()) {
  39     ci.HandleCommand(str.c_str(), ro, false);
  40   }
  41
  42   debugger.DeleteTarget(target);
  43   SBDebugger::Destroy(debugger);
  44   SBModule::GarbageCollectAllocatedModules();
  45
  46   return 0;
  47 }