File: llvm-dwarfdump-fuzzer.cpp

package info (click to toggle)
llvm-toolchain-13 1%3A13.0.1-6~deb11u1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 1,418,812 kB
  • sloc: cpp: 5,290,827; ansic: 996,570; asm: 544,593; python: 188,212; objc: 72,027; lisp: 30,291; f90: 25,395; sh: 24,900; javascript: 9,780; pascal: 9,398; perl: 7,484; ml: 5,432; awk: 3,523; makefile: 2,892; xml: 953; cs: 573; fortran: 539
file content (40 lines) | stat: -rw-r--r-- 1,404 bytes parent folder | download | duplicates (15)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
//===-- llvm-dwarfdump-fuzzer.cpp - Fuzz the llvm-dwarfdump tool ----------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
///
/// \file
/// This file implements a function that runs llvm-dwarfdump
///  on a single input. This function is then linked into the Fuzzer library.
///
//===----------------------------------------------------------------------===//
#include "llvm/DebugInfo/DIContext.h"
#include "llvm/DebugInfo/DWARF/DWARFContext.h"
#include "llvm/Object/ObjectFile.h"
#include "llvm/Support/MemoryBuffer.h"

using namespace llvm;
using namespace object;

extern "C" int LLVMFuzzerTestOneInput(uint8_t *data, size_t size) {
  std::unique_ptr<MemoryBuffer> Buff = MemoryBuffer::getMemBuffer(
      StringRef((const char *)data, size), "", false);

  Expected<std::unique_ptr<ObjectFile>> ObjOrErr =
      ObjectFile::createObjectFile(Buff->getMemBufferRef());
  if (auto E = ObjOrErr.takeError()) {
    consumeError(std::move(E));
    return 0;
  }
  ObjectFile &Obj = *ObjOrErr.get();
  std::unique_ptr<DIContext> DICtx = DWARFContext::create(Obj);


  DIDumpOptions opts;
  opts.DumpType = DIDT_All;
  DICtx->dump(nulls(), opts);
  return 0;
}