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//===--- 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;
static constexpr Builtin::Info BuiltinInfo[] = {
#define BUILTIN(ID, TYPE, ATTRS) \
{#ID, TYPE, ATTRS, nullptr, HeaderDesc::NO_HEADER, ALL_LANGUAGES},
#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::is_contained(ValidCPUNames, Name);
}
void BPFTargetInfo::fillValidCPUList(SmallVectorImpl<StringRef> &Values) const {
Values.append(std::begin(ValidCPUNames), std::end(ValidCPUNames));
}
ArrayRef<Builtin::Info> BPFTargetInfo::getTargetBuiltins() const {
return llvm::ArrayRef(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;
}
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