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#pragma once
#ifdef __GNUC__
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wunused-parameter"
#endif
//===--- 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 BinaryMetadataFeatures = 0;
int MsanTrackOrigins = 0;
bool MsanUseAfterDtor = true;
bool MsanParamRetval = true;
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) &&
!Sanitizers.has(SanitizerKind::HWAddress);
}
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() || hasMemtagGlobals();
}
bool hasMemtagHeap() const {
return Sanitizers.has(SanitizerKind::MemtagHeap);
}
bool hasMemtagStack() const {
return Sanitizers.has(SanitizerKind::MemtagStack);
}
bool hasMemtagGlobals() const {
return Sanitizers.has(SanitizerKind::MemtagGlobals);
}
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
#ifdef __GNUC__
#pragma GCC diagnostic pop
#endif
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