clang 17.0.0git
BPF.cpp
Go to the documentation of this file.
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"
17#include "llvm/ADT/StringRef.h"
18
19using namespace clang;
20using namespace clang::targets;
21
22static constexpr Builtin::Info BuiltinInfo[] = {
23#define BUILTIN(ID, TYPE, ATTRS) \
24 {#ID, TYPE, ATTRS, nullptr, HeaderDesc::NO_HEADER, ALL_LANGUAGES},
25#include "clang/Basic/BuiltinsBPF.def"
26};
27
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::is_contained(ValidCPUNames, Name);
39}
40
42 Values.append(std::begin(ValidCPUNames), std::end(ValidCPUNames));
43}
44
48}
49
50bool BPFTargetInfo::handleTargetFeatures(std::vector<std::string> &Features,
51 DiagnosticsEngine &Diags) {
52 for (const auto &Feature : Features) {
53 if (Feature == "+alu32") {
54 HasAlu32 = true;
55 }
56 }
57
58 return true;
59}
static constexpr Builtin::Info BuiltinInfo[]
Definition: BPF.cpp:22
static constexpr llvm::StringLiteral ValidCPUNames[]
Definition: BPF.cpp:34
static constexpr Builtin::Info BuiltinInfo[]
Definition: Builtins.cpp:32
Defines the clang::MacroBuilder utility class.
Enumerates target-specific builtins in their own namespaces within namespace clang.
Concrete class used by the front-end to report problems and issues.
Definition: Diagnostic.h:192
Keeps track of the various options that can be enabled, which controls the dialect of C or C++ that i...
Definition: LangOptions.h:82
bool handleTargetFeatures(std::vector< std::string > &Features, DiagnosticsEngine &Diags) override
Perform initialization based on the user configured set of features (e.g., +sse4).
Definition: BPF.cpp:50
void fillValidCPUList(SmallVectorImpl< StringRef > &Values) const override
Fill a SmallVectorImpl with the valid values to setCPU.
Definition: BPF.cpp:41
ArrayRef< Builtin::Info > getTargetBuiltins() const override
Return information about target-specific builtins for the current primary target, and info about whic...
Definition: BPF.cpp:45
bool isValidCPUName(StringRef Name) const override
brief Determine whether this TargetInfo supports the given CPU name.
Definition: BPF.cpp:37
void getTargetDefines(const LangOptions &Opts, MacroBuilder &Builder) const override
===-— Other target property query methods -----------------------—===//
Definition: BPF.cpp:28