| 1 | //===--- XRayInstr.cpp ------------------------------------------*- 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 | // This is part of XRay, a function call instrumentation system. |
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| 10 | // |
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| 11 | //===----------------------------------------------------------------------===// |
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| 12 | |
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| 13 | #include "clang/Basic/XRayInstr.h" |
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| 14 | #include "llvm/ADT/SmallVector.h" |
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| 15 | #include "llvm/ADT/StringSwitch.h" |
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| 16 | |
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| 17 | namespace clang { |
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| 18 | |
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| 19 | XRayInstrMask parseXRayInstrValue(StringRef Value) { |
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| 20 | XRayInstrMask ParsedKind = |
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| 21 | llvm::StringSwitch<XRayInstrMask>(Value) |
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| 22 | .Case(S: "all" , Value: XRayInstrKind::All) |
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| 23 | .Case(S: "custom" , Value: XRayInstrKind::Custom) |
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| 24 | .Case(S: "function" , |
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| 25 | Value: XRayInstrKind::FunctionEntry | XRayInstrKind::FunctionExit) |
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| 26 | .Case(S: "function-entry" , Value: XRayInstrKind::FunctionEntry) |
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| 27 | .Case(S: "function-exit" , Value: XRayInstrKind::FunctionExit) |
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| 28 | .Case(S: "typed" , Value: XRayInstrKind::Typed) |
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| 29 | .Case(S: "none" , Value: XRayInstrKind::None) |
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| 30 | .Default(Value: XRayInstrKind::None); |
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| 31 | return ParsedKind; |
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| 32 | } |
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| 33 | |
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| 34 | void serializeXRayInstrValue(XRayInstrSet Set, |
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| 35 | SmallVectorImpl<StringRef> &Values) { |
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| 36 | if (Set.Mask == XRayInstrKind::All) { |
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| 37 | Values.push_back(Elt: "all" ); |
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| 38 | return; |
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| 39 | } |
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| 40 | |
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| 41 | if (Set.Mask == XRayInstrKind::None) { |
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| 42 | Values.push_back(Elt: "none" ); |
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| 43 | return; |
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| 44 | } |
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| 45 | |
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| 46 | if (Set.has(K: XRayInstrKind::Custom)) |
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| 47 | Values.push_back(Elt: "custom" ); |
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| 48 | |
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| 49 | if (Set.has(K: XRayInstrKind::Typed)) |
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| 50 | Values.push_back(Elt: "typed" ); |
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| 51 | |
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| 52 | if (Set.has(K: XRayInstrKind::FunctionEntry) && |
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| 53 | Set.has(K: XRayInstrKind::FunctionExit)) |
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| 54 | Values.push_back(Elt: "function" ); |
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| 55 | else if (Set.has(K: XRayInstrKind::FunctionEntry)) |
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| 56 | Values.push_back(Elt: "function-entry" ); |
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| 57 | else if (Set.has(K: XRayInstrKind::FunctionExit)) |
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| 58 | Values.push_back(Elt: "function-exit" ); |
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| 59 | } |
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| 60 | } // namespace clang |
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| 61 | |
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