BPF.cpp revision 353358 
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 "llvm/ADT/StringRef.h"
17
18using namespace clang;
19using namespace clang::targets;
20
21void BPFTargetInfo::getTargetDefines(const LangOptions &Opts,
22                                     MacroBuilder &Builder) const {
23  Builder.defineMacro("__bpf__");
24  Builder.defineMacro("__BPF__");
25}
26
27static constexpr llvm::StringLiteral ValidCPUNames[] = {"generic", "v1", "v2",
28                                                        "v3", "probe"};
29
30bool BPFTargetInfo::isValidCPUName(StringRef Name) const {
31  return llvm::find(ValidCPUNames, Name) != std::end(ValidCPUNames);
32}
33
34void BPFTargetInfo::fillValidCPUList(SmallVectorImpl<StringRef> &Values) const {
35  Values.append(std::begin(ValidCPUNames), std::end(ValidCPUNames));
36}
37