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