//===--- SanitizerArgs.h - Arguments for sanitizer tools  -------*- C++ -*-===//

//

// 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

//

//===----------------------------------------------------------------------===//

#ifndef LLVM_CLANG_DRIVER_SANITIZERARGS_H

#define LLVM_CLANG_DRIVER_SANITIZERARGS_H

#include "clang/Basic/Sanitizers.h"

#include "clang/Driver/Types.h"

#include "llvm/Option/Arg.h"

#include "llvm/Option/ArgList.h"

#include "llvm/Transforms/Instrumentation/AddressSanitizerOptions.h"

#include <string>

#include <vector>

namespace clang {

namespace driver {

class ToolChain;

class SanitizerArgs {

  SanitizerSet Sanitizers;

  SanitizerSet RecoverableSanitizers;

  SanitizerSet TrapSanitizers;

  std::vector<std::string> UserIgnorelistFiles;

  std::vector<std::string> SystemIgnorelistFiles;

  std::vector<std::string> CoverageAllowlistFiles;

  std::vector<std::string> CoverageIgnorelistFiles;

  int CoverageFeatures = 0;

  int MsanTrackOrigins = 0;

  bool MsanUseAfterDtor = true;

  bool MsanParamRetval = false;

  bool CfiCrossDso = false;

  bool CfiICallGeneralizePointers = false;

  bool CfiCanonicalJumpTables = false;

  int AsanFieldPadding = 0;

  bool SharedRuntime = false;

  bool AsanUseAfterScope = true;

  bool AsanPoisonCustomArrayCookie = false;

  bool AsanGlobalsDeadStripping = false;

  bool AsanUseOdrIndicator = false;

  bool AsanInvalidPointerCmp = false;

  bool AsanInvalidPointerSub = false;

  bool AsanOutlineInstrumentation = false;

  llvm::AsanDtorKind AsanDtorKind = llvm::AsanDtorKind::Invalid;

  std::string HwasanAbi;

  bool LinkRuntimes = true;

  bool LinkCXXRuntimes = false;

  bool NeedPIE = false;

  bool SafeStackRuntime = false;

  bool Stats = false;

  bool TsanMemoryAccess = true;

  bool TsanFuncEntryExit = true;

  bool TsanAtomics = true;

  bool MinimalRuntime = false;

  // True if cross-dso CFI support if provided by the system (i.e. Android).

  bool ImplicitCfiRuntime = false;

  bool NeedsMemProfRt = false;

  bool HwasanUseAliases = false;

  llvm::AsanDetectStackUseAfterReturnMode AsanUseAfterReturn =

      llvm::AsanDetectStackUseAfterReturnMode::Invalid;

  std::string MemtagMode;

public:

  /// Parses the sanitizer arguments from an argument list.

  SanitizerArgs(const ToolChain &TC, const llvm::opt::ArgList &Args,

                bool DiagnoseErrors = true);

  bool needsSharedRt() const { return SharedRuntime; }

  bool needsMemProfRt() const { return NeedsMemProfRt; }

  bool needsAsanRt() const { return Sanitizers.has(SanitizerKind::Address); }

  bool needsHwasanRt() const {

    return Sanitizers.has(SanitizerKind::HWAddress);

  }

  bool needsHwasanAliasesRt() const {

    return needsHwasanRt() && HwasanUseAliases;

  }

  bool needsTsanRt() const { return Sanitizers.has(SanitizerKind::Thread); }

  bool needsMsanRt() const { return Sanitizers.has(SanitizerKind::Memory); }

  bool needsFuzzer() const { return Sanitizers.has(SanitizerKind::Fuzzer); }

  bool needsLsanRt() const {

    return Sanitizers.has(SanitizerKind::Leak) &&

           
!Sanitizers.has(SanitizerKind::Address)74
 &&

           
!Sanitizers.has(SanitizerKind::HWAddress)73
;

  }

  bool needsFuzzerInterceptors() const;

  bool needsUbsanRt() const;

  bool requiresMinimalRuntime() const { return MinimalRuntime; }

  bool needsDfsanRt() const { return Sanitizers.has(SanitizerKind::DataFlow); }

  bool needsSafeStackRt() const { return SafeStackRuntime; }

  bool needsCfiRt() const;

  bool needsCfiDiagRt() const;

  bool needsStatsRt() const { return Stats; }

  bool needsScudoRt() const { return Sanitizers.has(SanitizerKind::Scudo); }

  bool hasMemTag() const { return hasMemtagHeap() || 
hasMemtagStack()1.76k
; }

  bool hasMemtagHeap() const {

    return Sanitizers.has(SanitizerKind::MemtagHeap);

  }

  bool hasMemtagStack() const {

    return Sanitizers.has(SanitizerKind::MemtagStack);

  }

  const std::string &getMemtagMode() const {

    assert(!MemtagMode.empty());

    return MemtagMode;

  }

  bool requiresPIE() const;

  bool needsUnwindTables() const;

  bool needsLTO() const;

  bool linkRuntimes() const { return LinkRuntimes; }

  bool linkCXXRuntimes() const { return LinkCXXRuntimes; }

  bool hasCrossDsoCfi() const { return CfiCrossDso; }

  bool hasAnySanitizer() const { return !Sanitizers.empty(); }

  void addArgs(const ToolChain &TC, const llvm::opt::ArgList &Args,

               llvm::opt::ArgStringList &CmdArgs, types::ID InputType) const;

};

}  // namespace driver

}  // namespace clang

#endif