1//===-- llvm-dwarfdump-fuzzer.cpp - Fuzz the llvm-dwarfdump tool ----------===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9///
10/// \file
11/// \brief This file implements a function that runs llvm-dwarfdump
12///  on a single input. This function is then linked into the Fuzzer library.
13///
14//===----------------------------------------------------------------------===//
15#include "llvm/DebugInfo/DIContext.h"
16#include "llvm/DebugInfo/DWARF/DWARFContext.h"
17#include "llvm/Object/ObjectFile.h"
18#include "llvm/Support/MemoryBuffer.h"
19
20using namespace llvm;
21using namespace object;
22
23extern "C" void LLVMFuzzerTestOneInput(uint8_t *data, size_t size) {
24  std::unique_ptr<MemoryBuffer> Buff = MemoryBuffer::getMemBuffer(
25      StringRef((const char *)data, size), "", false);
26
27  ErrorOr<std::unique_ptr<ObjectFile>> ObjOrErr =
28      ObjectFile::createObjectFile(Buff->getMemBufferRef());
29  if (!ObjOrErr)
30    return;
31  ObjectFile &Obj = *ObjOrErr.get();
32  std::unique_ptr<DIContext> DICtx(new DWARFContextInMemory(Obj));
33  DICtx->dump(nulls(), DIDT_All);
34}
35