contrib/llvm-project/clang/lib/Basic/Targets/BPF.cpp

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