fuzzer_initialize.cpp
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//===-- fuzzer_initialize.cpp - Fuzz Clang --------------------------------===//
//
// 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 two functions: one that returns the command line
/// arguments for a given call to the fuzz target and one that initializes
/// the fuzzer with the correct command line arguments.
///
//===----------------------------------------------------------------------===//
#include "fuzzer_initialize.h"
#include "llvm/InitializePasses.h"
#include "llvm/PassRegistry.h"
#include "llvm/Support/TargetSelect.h"
#include <cstring>
using namespace clang_fuzzer;
using namespace llvm;
namespace clang_fuzzer {
static std::vector<const char *> CLArgs;
const std::vector<const char *>& GetCLArgs() {
return CLArgs;
}
}
extern "C" int LLVMFuzzerInitialize(int *argc, char ***argv) {
InitializeAllTargets();
InitializeAllTargetMCs();
InitializeAllAsmPrinters();
InitializeAllAsmParsers();
PassRegistry &Registry = *PassRegistry::getPassRegistry();
initializeCore(Registry);
initializeScalarOpts(Registry);
initializeVectorization(Registry);
initializeIPO(Registry);
initializeAnalysis(Registry);
initializeTransformUtils(Registry);
initializeInstCombine(Registry);
initializeAggressiveInstCombine(Registry);
initializeInstrumentation(Registry);
initializeTarget(Registry);
CLArgs.push_back("-O2");
for (int I = 1; I < *argc; I++) {
if (strcmp((*argv)[I], "-ignore_remaining_args=1") == 0) {
for (I++; I < *argc; I++)
CLArgs.push_back((*argv)[I]);
break;
}
}
return 0;
}