| 1 | //=- UnsafeBufferUsageGadgets.def - List of ways to use a buffer --*- C++ -*-=// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |
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| 9 | /// A gadget is an individual operation in the code that may be of interest to |
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| 10 | /// the UnsafeBufferUsage analysis. |
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| 11 | #ifndef GADGET |
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| 12 | #define GADGET(name) |
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| 13 | #endif |
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| 14 | |
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| 15 | /// Unsafe gadgets correspond to unsafe code patterns that warrant |
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| 16 | /// an immediate warning. |
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| 17 | #ifndef WARNING_GADGET |
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| 18 | #define WARNING_GADGET(name) GADGET(name) |
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| 19 | #endif |
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| 20 | |
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| 21 | /// A `WARNING_GADGET` subset, where the code pattern of each gadget |
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| 22 | /// corresponds uses of a (possibly hardened) contatiner (e.g., `std::span`). |
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| 23 | #ifndef WARNING_CONTAINER_GADGET |
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| 24 | #define WARNING_CONTAINER_GADGET(name) WARNING_GADGET(name) |
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| 25 | #endif |
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| 26 | |
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| 27 | /// Safe gadgets correspond to code patterns that aren't unsafe but need to be |
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| 28 | /// properly recognized in order to emit correct warnings and fixes over unsafe |
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| 29 | /// gadgets. |
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| 30 | #ifndef FIXABLE_GADGET |
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| 31 | #define FIXABLE_GADGET(name) GADGET(name) |
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| 32 | #endif |
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| 33 | |
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| 34 | WARNING_GADGET(Increment) |
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| 35 | WARNING_GADGET(Decrement) |
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| 36 | WARNING_GADGET(ArraySubscript) |
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| 37 | WARNING_GADGET(PointerArithmetic) |
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| 38 | WARNING_GADGET(UnsafeBufferUsageAttr) |
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| 39 | WARNING_GADGET(DataInvocation) |
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| 40 | WARNING_CONTAINER_GADGET(SpanTwoParamConstructor) // Uses of `std::span(arg0, arg1)` |
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| 41 | FIXABLE_GADGET(ULCArraySubscript) // `DRE[any]` in an Unspecified Lvalue Context |
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| 42 | FIXABLE_GADGET(DerefSimplePtrArithFixable) |
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| 43 | FIXABLE_GADGET(PointerDereference) |
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| 44 | FIXABLE_GADGET(UPCAddressofArraySubscript) // '&DRE[any]' in an Unspecified Pointer Context |
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| 45 | FIXABLE_GADGET(UPCStandalonePointer) |
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| 46 | FIXABLE_GADGET(UPCPreIncrement) // '++Ptr' in an Unspecified Pointer Context |
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| 47 | FIXABLE_GADGET(UUCAddAssign) // 'Ptr += n' in an Unspecified Untyped Context |
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| 48 | FIXABLE_GADGET(PtrToPtrAssignment) |
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| 49 | FIXABLE_GADGET(CArrayToPtrAssignment) |
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| 50 | FIXABLE_GADGET(PointerInit) |
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| 51 | |
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| 52 | #undef FIXABLE_GADGET |
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| 53 | #undef WARNING_GADGET |
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| 54 | #undef WARNING_CONTAINER_GADGET |
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| 55 | #undef GADGET |
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| 56 | |
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