1 //===-- CGException.h - Classes for exceptions IR generation ----*- 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 // These classes support the generation of LLVM IR for exceptions in 11 // C++ and Objective C. 12 // 13 //===----------------------------------------------------------------------===// 14 15 #ifndef CLANG_CODEGEN_CGEXCEPTION_H 16 #define CLANG_CODEGEN_CGEXCEPTION_H 17 18 #include "llvm/ADT/StringRef.h" 19 20 namespace clang { 21 class LangOptions; 22 23 namespace CodeGen { 24 25 /// The exceptions personality for a function. When 26 class EHPersonality { 27 llvm::StringRef PersonalityFn; 28 29 // If this is non-null, this personality requires a non-standard 30 // function for rethrowing an exception after a catchall cleanup. 31 // This function must have prototype void(void*). 32 llvm::StringRef CatchallRethrowFn; 33 34 EHPersonality(llvm::StringRef PersonalityFn, 35 llvm::StringRef CatchallRethrowFn = llvm::StringRef()) PersonalityFn(PersonalityFn)36 : PersonalityFn(PersonalityFn), 37 CatchallRethrowFn(CatchallRethrowFn) {} 38 39 public: 40 static const EHPersonality &get(const LangOptions &Lang); 41 static const EHPersonality GNU_C; 42 static const EHPersonality GNU_C_SJLJ; 43 static const EHPersonality GNU_ObjC; 44 static const EHPersonality GNU_ObjCXX; 45 static const EHPersonality NeXT_ObjC; 46 static const EHPersonality GNU_CPlusPlus; 47 static const EHPersonality GNU_CPlusPlus_SJLJ; 48 getPersonalityFnName()49 llvm::StringRef getPersonalityFnName() const { return PersonalityFn; } getCatchallRethrowFnName()50 llvm::StringRef getCatchallRethrowFnName() const { return CatchallRethrowFn; } 51 }; 52 53 } 54 } 55 56 #endif 57