1//===--- BPF.cpp - Implement BPF target feature support -------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8//
9// This file implements BPF TargetInfo objects.
10//
11//===----------------------------------------------------------------------===//
12
13#include "BPF.h"
14#include "Targets.h"
15#include "clang/Basic/MacroBuilder.h"
16#include "clang/Basic/TargetBuiltins.h"
17#include "llvm/ADT/StringRef.h"
18
19using namespace clang;
20using namespace clang::targets;
21
22const Builtin::Info BPFTargetInfo::BuiltinInfo[] = {
23#define BUILTIN(ID, TYPE, ATTRS)                                               \
24  {#ID, TYPE, ATTRS, nullptr, ALL_LANGUAGES, nullptr},
25#include "clang/Basic/BuiltinsBPF.def"
26};
27
28void BPFTargetInfo::getTargetDefines(const LangOptions &Opts,
29                                     MacroBuilder &Builder) const {
30  Builder.defineMacro("__bpf__");
31  Builder.defineMacro("__BPF__");
32}
33
34static constexpr llvm::StringLiteral ValidCPUNames[] = {"generic", "v1", "v2",
35                                                        "v3", "probe"};
36
37bool BPFTargetInfo::isValidCPUName(StringRef Name) const {
38  return llvm::find(ValidCPUNames, Name) != std::end(ValidCPUNames);
39}
40
41void BPFTargetInfo::fillValidCPUList(SmallVectorImpl<StringRef> &Values) const {
42  Values.append(std::begin(ValidCPUNames), std::end(ValidCPUNames));
43}
44
45ArrayRef<Builtin::Info> BPFTargetInfo::getTargetBuiltins() const {
46  return llvm::makeArrayRef(BuiltinInfo, clang::BPF::LastTSBuiltin -
47                                             Builtin::FirstTSBuiltin);
48}
49