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//===-- 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::string Payload(reinterpret_cast<const char *>(data), size);
std::unique_ptr<MemoryBuffer> Buff = MemoryBuffer::getMemBuffer(Payload);
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;
}
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