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// Copyright 2019 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <stddef.h>
#include <stdint.h>
#include "base/logging.h"
#include "components/zucchini/buffer_view.h"
#include "components/zucchini/disassembler.h"
#include "components/zucchini/disassembler_elf.h"
#include "components/zucchini/fuzzers/fuzz_utils.h"
namespace {
struct Environment {
Environment() { logging::SetMinLogLevel(logging::LOG_FATAL); }
};
} // namespace
extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
static Environment env;
if (!size)
return 0;
// Prepare data.
std::vector<uint8_t> mutable_data(data, data + size);
zucchini::ConstBufferView image(mutable_data.data(), mutable_data.size());
// Create disassembler. Early exit on failure.
auto disassembler_elf_x64 =
zucchini::Disassembler::Make<zucchini::DisassemblerElfX64>(image);
if (disassembler_elf_x64) {
zucchini::ReadAndWriteReferences(std::move(disassembler_elf_x64),
&mutable_data);
return 0;
}
auto disassembler_elf_x86 =
zucchini::Disassembler::Make<zucchini::DisassemblerElfX86>(image);
if (disassembler_elf_x86)
zucchini::ReadAndWriteReferences(std::move(disassembler_elf_x86),
&mutable_data);
return 0;
}
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