1 //===--- Sanitizers.def - Runtime sanitizer options -------------*- C++ -*-===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 // This file defines the options for specifying which runtime sanitizers to 11 // enable. Users of this file must define the SANITIZER macro to make use of 12 // this information. Users of this file can also define the SANITIZER_GROUP 13 // macro to get information on options which refer to sets of sanitizers. 14 // 15 //===----------------------------------------------------------------------===// 16 17 #ifndef SANITIZER 18 #error "Define SANITIZER prior to including this file!" 19 #endif 20 21 // SANITIZER(NAME, ID) 22 23 // The first value is the name of the sanitizer as a string. The sanitizer can 24 // be enabled by specifying -fsanitize=NAME. 25 26 // The second value is an identifier which can be used to refer to the 27 // sanitizer. 28 29 30 // SANITIZER_GROUP(NAME, ID, ALIAS) 31 32 // The first two values have the same semantics as the corresponding SANITIZER 33 // values. The third value is an expression ORing together the IDs of individual 34 // sanitizers in this group. 35 36 #ifndef SANITIZER_GROUP 37 #define SANITIZER_GROUP(NAME, ID, ALIAS) 38 #endif 39 40 41 // AddressSanitizer 42 SANITIZER("address", Address) 43 44 // Kernel AddressSanitizer (KASan) 45 SANITIZER("kernel-address", KernelAddress) 46 47 // MemorySanitizer 48 SANITIZER("memory", Memory) 49 50 // libFuzzer 51 SANITIZER("fuzzer", Fuzzer) 52 53 // ThreadSanitizer 54 SANITIZER("thread", Thread) 55 56 // LeakSanitizer 57 SANITIZER("leak", Leak) 58 59 // UndefinedBehaviorSanitizer 60 SANITIZER("alignment", Alignment) 61 SANITIZER("array-bounds", ArrayBounds) 62 SANITIZER("bool", Bool) 63 SANITIZER("enum", Enum) 64 SANITIZER("float-cast-overflow", FloatCastOverflow) 65 SANITIZER("float-divide-by-zero", FloatDivideByZero) 66 SANITIZER("function", Function) 67 SANITIZER("integer-divide-by-zero", IntegerDivideByZero) 68 SANITIZER("nonnull-attribute", NonnullAttribute) 69 SANITIZER("null", Null) 70 SANITIZER("nullability-arg", NullabilityArg) 71 SANITIZER("nullability-assign", NullabilityAssign) 72 SANITIZER("nullability-return", NullabilityReturn) 73 SANITIZER_GROUP("nullability", Nullability, 74 NullabilityArg | NullabilityAssign | NullabilityReturn) 75 SANITIZER("object-size", ObjectSize) 76 SANITIZER("pointer-overflow", PointerOverflow) 77 SANITIZER("return", Return) 78 SANITIZER("returns-nonnull-attribute", ReturnsNonnullAttribute) 79 SANITIZER("shift-base", ShiftBase) 80 SANITIZER("shift-exponent", ShiftExponent) 81 SANITIZER_GROUP("shift", Shift, ShiftBase | ShiftExponent) 82 SANITIZER("signed-integer-overflow", SignedIntegerOverflow) 83 SANITIZER("unreachable", Unreachable) 84 SANITIZER("vla-bound", VLABound) 85 SANITIZER("vptr", Vptr) 86 87 // IntegerSanitizer 88 SANITIZER("unsigned-integer-overflow", UnsignedIntegerOverflow) 89 90 // DataFlowSanitizer 91 SANITIZER("dataflow", DataFlow) 92 93 // Control Flow Integrity 94 SANITIZER("cfi-cast-strict", CFICastStrict) 95 SANITIZER("cfi-derived-cast", CFIDerivedCast) 96 SANITIZER("cfi-icall", CFIICall) 97 SANITIZER("cfi-unrelated-cast", CFIUnrelatedCast) 98 SANITIZER("cfi-nvcall", CFINVCall) 99 SANITIZER("cfi-vcall", CFIVCall) 100 SANITIZER_GROUP("cfi", CFI, 101 CFIDerivedCast | CFIICall | CFIUnrelatedCast | CFINVCall | 102 CFIVCall) 103 104 // Safe Stack 105 SANITIZER("safe-stack", SafeStack) 106 107 // -fsanitize=undefined includes all the sanitizers which have low overhead, no 108 // ABI or address space layout implications, and only catch undefined behavior. 109 SANITIZER_GROUP("undefined", Undefined, 110 Alignment | Bool | ArrayBounds | Enum | FloatCastOverflow | 111 FloatDivideByZero | IntegerDivideByZero | NonnullAttribute | 112 Null | ObjectSize | PointerOverflow | Return | 113 ReturnsNonnullAttribute | Shift | SignedIntegerOverflow | 114 Unreachable | VLABound | Function | Vptr) 115 116 // -fsanitize=undefined-trap is an alias for -fsanitize=undefined. 117 SANITIZER_GROUP("undefined-trap", UndefinedTrap, Undefined) 118 119 SANITIZER_GROUP("integer", Integer, 120 SignedIntegerOverflow | UnsignedIntegerOverflow | Shift | 121 IntegerDivideByZero) 122 123 SANITIZER("local-bounds", LocalBounds) 124 SANITIZER_GROUP("bounds", Bounds, ArrayBounds | LocalBounds) 125 126 // EfficiencySanitizer 127 SANITIZER("efficiency-cache-frag", EfficiencyCacheFrag) 128 SANITIZER("efficiency-working-set", EfficiencyWorkingSet) 129 // Meta-group only used internally. 130 SANITIZER_GROUP("efficiency-all", Efficiency, 131 EfficiencyCacheFrag | EfficiencyWorkingSet) 132 133 // Magic group, containing all sanitizers. For example, "-fno-sanitize=all" 134 // can be used to disable all the sanitizers. 135 SANITIZER_GROUP("all", All, ~0ULL) 136 137 #undef SANITIZER 138 #undef SANITIZER_GROUP 139