1//===--- XRayLists.h - XRay automatic attribution ---------------*- C++ -*-===// 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// User-provided filters for always/never XRay instrumenting certain functions. 10// 11//===----------------------------------------------------------------------===// 12#ifndef LLVM_CLANG_BASIC_XRAYLISTS_H 13#define LLVM_CLANG_BASIC_XRAYLISTS_H 14 15#include "clang/Basic/LLVM.h" 16#include "clang/Basic/SourceLocation.h" 17#include "llvm/ADT/ArrayRef.h" 18#include "llvm/ADT/StringRef.h" 19#include <memory> 20 21namespace llvm { 22class SpecialCaseList; 23} 24 25namespace clang { 26 27class SourceManager; 28 29class XRayFunctionFilter { 30 std::unique_ptr<llvm::SpecialCaseList> AlwaysInstrument; 31 std::unique_ptr<llvm::SpecialCaseList> NeverInstrument; 32 std::unique_ptr<llvm::SpecialCaseList> AttrList; 33 SourceManager &SM; 34 35public: 36 XRayFunctionFilter(ArrayRef<std::string> AlwaysInstrumentPaths, 37 ArrayRef<std::string> NeverInstrumentPaths, 38 ArrayRef<std::string> AttrListPaths, SourceManager &SM); 39 ~XRayFunctionFilter(); 40 41 enum class ImbueAttribute { 42 NONE, 43 ALWAYS, 44 NEVER, 45 ALWAYS_ARG1, 46 }; 47 48 ImbueAttribute shouldImbueFunction(StringRef FunctionName) const; 49 50 ImbueAttribute 51 shouldImbueFunctionsInFile(StringRef Filename, 52 StringRef Category = StringRef()) const; 53 54 ImbueAttribute shouldImbueLocation(SourceLocation Loc, 55 StringRef Category = StringRef()) const; 56}; 57 58} // namespace clang 59 60#endif 61