//===--- BPF.cpp - Implement BPF target feature support -------------------===//

//

// 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

//

//===----------------------------------------------------------------------===//

//

// This file implements BPF TargetInfo objects.

//

//===----------------------------------------------------------------------===//

#include "BPF.h"

#include "Targets.h"

#include "clang/Basic/MacroBuilder.h"

#include "clang/Basic/TargetBuiltins.h"

#include "llvm/ADT/StringRef.h"

using namespace clang;

using namespace clang::targets;

const Builtin::Info BPFTargetInfo::BuiltinInfo[] = {

#define BUILTIN(ID, TYPE, ATTRS)                                               \

  {#ID, TYPE, ATTRS, nullptr, ALL_LANGUAGES, nullptr},

#include "clang/Basic/BuiltinsBPF.def"

};

void BPFTargetInfo::getTargetDefines(const LangOptions &Opts,

                                     MacroBuilder &Builder) const {

  Builder.defineMacro("__bpf__");

  Builder.defineMacro("__BPF__");

}

static constexpr llvm::StringLiteral ValidCPUNames[] = {"generic", "v1", "v2",

                                                        "v3", "probe"};

bool BPFTargetInfo::isValidCPUName(StringRef Name) const {

  return llvm::find(ValidCPUNames, Name) != std::end(ValidCPUNames);

}

void BPFTargetInfo::fillValidCPUList(SmallVectorImpl<StringRef> &Values) const {

  Values.append(std::begin(ValidCPUNames), std::end(ValidCPUNames));

}

ArrayRef<Builtin::Info> BPFTargetInfo::getTargetBuiltins() const {

  return llvm::makeArrayRef(BuiltinInfo, clang::BPF::LastTSBuiltin -

                                             Builtin::FirstTSBuiltin);

}

bool BPFTargetInfo::handleTargetFeatures(std::vector<std::string> &Features,

                                         DiagnosticsEngine &Diags) {

  for (const auto &Feature : Features) {

    if (Feature == "+alu32") {

      HasAlu32 = true;

    }

  }

  return true;

}