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//===--- Sanitizers.def - Runtime sanitizer options -------------*- 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
//
//===----------------------------------------------------------------------===//
//
// This file defines the options for specifying which runtime sanitizers to
// enable. Users of this file must define the SANITIZER macro to make use of
// this information. Users of this file can also define the SANITIZER_GROUP
// macro to get information on options which refer to sets of sanitizers.
//
//===----------------------------------------------------------------------===//
#ifndef SANITIZER
#error "Define SANITIZER prior to including this file!"
#endif
// SANITIZER(NAME, ID)
// The first value is the name of the sanitizer as a string. The sanitizer can
// be enabled by specifying -fsanitize=NAME.
// The second value is an identifier which can be used to refer to the
// sanitizer.
// SANITIZER_GROUP(NAME, ID, ALIAS)
// The first two values have the same semantics as the corresponding SANITIZER
// values. The third value is an expression ORing together the IDs of individual
// sanitizers in this group.
#ifndef SANITIZER_GROUP
#define SANITIZER_GROUP(NAME, ID, ALIAS)
#endif
// AddressSanitizer
SANITIZER("address", Address)
// Requires AddressSanitizer
SANITIZER("pointer-compare", PointerCompare)
// Requires AddressSanitizer
SANITIZER("pointer-subtract", PointerSubtract)
// Kernel AddressSanitizer (KASan)
SANITIZER("kernel-address", KernelAddress)
// Hardware-assisted AddressSanitizer
SANITIZER("hwaddress", HWAddress)
// Kernel Hardware-assisted AddressSanitizer (KHWASan)
SANITIZER("kernel-hwaddress", KernelHWAddress)
// A variant of AddressSanitizer using AArch64 MTE extension.
SANITIZER("memtag", MemTag)
// MemorySanitizer
SANITIZER("memory", Memory)
// Kernel MemorySanitizer (KMSAN)
SANITIZER("kernel-memory", KernelMemory)
// libFuzzer
SANITIZER("fuzzer", Fuzzer)
// libFuzzer-required instrumentation, no linking.
SANITIZER("fuzzer-no-link", FuzzerNoLink)
// ThreadSanitizer
SANITIZER("thread", Thread)
// LeakSanitizer
SANITIZER("leak", Leak)
// UndefinedBehaviorSanitizer
SANITIZER("alignment", Alignment)
SANITIZER("array-bounds", ArrayBounds)
SANITIZER("bool", Bool)
SANITIZER("builtin", Builtin)
SANITIZER("enum", Enum)
SANITIZER("float-cast-overflow", FloatCastOverflow)
SANITIZER("float-divide-by-zero", FloatDivideByZero)
SANITIZER("function", Function)
SANITIZER("integer-divide-by-zero", IntegerDivideByZero)
SANITIZER("nonnull-attribute", NonnullAttribute)
SANITIZER("null", Null)
SANITIZER("nullability-arg", NullabilityArg)
SANITIZER("nullability-assign", NullabilityAssign)
SANITIZER("nullability-return", NullabilityReturn)
SANITIZER_GROUP("nullability", Nullability,
NullabilityArg | NullabilityAssign | NullabilityReturn)
SANITIZER("object-size", ObjectSize)
SANITIZER("pointer-overflow", PointerOverflow)
SANITIZER("return", Return)
SANITIZER("returns-nonnull-attribute", ReturnsNonnullAttribute)
SANITIZER("shift-base", ShiftBase)
SANITIZER("shift-exponent", ShiftExponent)
SANITIZER_GROUP("shift", Shift, ShiftBase | ShiftExponent)
SANITIZER("signed-integer-overflow", SignedIntegerOverflow)
SANITIZER("unreachable", Unreachable)
SANITIZER("vla-bound", VLABound)
SANITIZER("vptr", Vptr)
// IntegerSanitizer
SANITIZER("unsigned-integer-overflow", UnsignedIntegerOverflow)
// DataFlowSanitizer
SANITIZER("dataflow", DataFlow)
// Control Flow Integrity
SANITIZER("cfi-cast-strict", CFICastStrict)
SANITIZER("cfi-derived-cast", CFIDerivedCast)
SANITIZER("cfi-icall", CFIICall)
SANITIZER("cfi-mfcall", CFIMFCall)
SANITIZER("cfi-unrelated-cast", CFIUnrelatedCast)
SANITIZER("cfi-nvcall", CFINVCall)
SANITIZER("cfi-vcall", CFIVCall)
SANITIZER_GROUP("cfi", CFI,
CFIDerivedCast | CFIICall | CFIMFCall | CFIUnrelatedCast |
CFINVCall | CFIVCall)
// Safe Stack
SANITIZER("safe-stack", SafeStack)
// Shadow Call Stack
SANITIZER("shadow-call-stack", ShadowCallStack)
// -fsanitize=undefined includes all the sanitizers which have low overhead, no
// ABI or address space layout implications, and only catch undefined behavior.
SANITIZER_GROUP("undefined", Undefined,
Alignment | Bool | Builtin | ArrayBounds | Enum |
FloatCastOverflow |
IntegerDivideByZero | NonnullAttribute | Null | ObjectSize |
PointerOverflow | Return | ReturnsNonnullAttribute | Shift |
SignedIntegerOverflow | Unreachable | VLABound | Function |
Vptr)
// -fsanitize=undefined-trap is an alias for -fsanitize=undefined.
SANITIZER_GROUP("undefined-trap", UndefinedTrap, Undefined)
// ImplicitConversionSanitizer
SANITIZER("implicit-unsigned-integer-truncation",
ImplicitUnsignedIntegerTruncation)
SANITIZER("implicit-signed-integer-truncation", ImplicitSignedIntegerTruncation)
SANITIZER_GROUP("implicit-integer-truncation", ImplicitIntegerTruncation,
ImplicitUnsignedIntegerTruncation |
ImplicitSignedIntegerTruncation)
SANITIZER("implicit-integer-sign-change", ImplicitIntegerSignChange)
SANITIZER_GROUP("implicit-integer-arithmetic-value-change",
ImplicitIntegerArithmeticValueChange,
ImplicitIntegerSignChange | ImplicitSignedIntegerTruncation)
// FIXME:
//SANITIZER_GROUP("implicit-integer-conversion", ImplicitIntegerConversion,
// ImplicitIntegerArithmeticValueChange |
// ImplicitUnsignedIntegerTruncation)
//SANITIZER_GROUP("implicit-conversion", ImplicitConversion,
// ImplicitIntegerConversion)
SANITIZER_GROUP("implicit-conversion", ImplicitConversion,
ImplicitIntegerArithmeticValueChange |
ImplicitUnsignedIntegerTruncation)
SANITIZER_GROUP("integer", Integer,
ImplicitConversion | IntegerDivideByZero | Shift |
SignedIntegerOverflow | UnsignedIntegerOverflow)
SANITIZER("local-bounds", LocalBounds)
SANITIZER_GROUP("bounds", Bounds, ArrayBounds | LocalBounds)
// Scudo hardened allocator
SANITIZER("scudo", Scudo)
// Magic group, containing all sanitizers. For example, "-fno-sanitize=all"
// can be used to disable all the sanitizers.
SANITIZER_GROUP("all", All, ~SanitizerMask())
#undef SANITIZER
#undef SANITIZER_GROUP