1 //===--- XRayInstr.cpp ------------------------------------------*- C++ -*-===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 // 9 // This is part of XRay, a function call instrumentation system. 10 // 11 //===----------------------------------------------------------------------===// 12 13 #include "clang/Basic/XRayInstr.h" 14 #include "llvm/ADT/SmallVector.h" 15 #include "llvm/ADT/StringSwitch.h" 16 17 namespace clang { 18 19 XRayInstrMask parseXRayInstrValue(StringRef Value) { 20 XRayInstrMask ParsedKind = 21 llvm::StringSwitch<XRayInstrMask>(Value) 22 .Case("all", XRayInstrKind::All) 23 .Case("custom", XRayInstrKind::Custom) 24 .Case("function", 25 XRayInstrKind::FunctionEntry | XRayInstrKind::FunctionExit) 26 .Case("function-entry", XRayInstrKind::FunctionEntry) 27 .Case("function-exit", XRayInstrKind::FunctionExit) 28 .Case("typed", XRayInstrKind::Typed) 29 .Case("none", XRayInstrKind::None) 30 .Default(XRayInstrKind::None); 31 return ParsedKind; 32 } 33 34 void serializeXRayInstrValue(XRayInstrSet Set, 35 SmallVectorImpl<StringRef> &Values) { 36 if (Set.Mask == XRayInstrKind::All) { 37 Values.push_back("all"); 38 return; 39 } 40 41 if (Set.Mask == XRayInstrKind::None) { 42 Values.push_back("none"); 43 return; 44 } 45 46 if (Set.has(XRayInstrKind::Custom)) 47 Values.push_back("custom"); 48 49 if (Set.has(XRayInstrKind::Typed)) 50 Values.push_back("typed"); 51 52 if (Set.has(XRayInstrKind::FunctionEntry) && 53 Set.has(XRayInstrKind::FunctionExit)) 54 Values.push_back("function"); 55 else if (Set.has(XRayInstrKind::FunctionEntry)) 56 Values.push_back("function-entry"); 57 else if (Set.has(XRayInstrKind::FunctionExit)) 58 Values.push_back("function-exit"); 59 } 60 } // namespace clang 61