1 //===- MCTargetOptions.h - MC Target Options --------------------*- 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 #ifndef LLVM_MC_MCTARGETOPTIONS_H 10 #define LLVM_MC_MCTARGETOPTIONS_H 11 12 #include "llvm/ADT/ArrayRef.h" 13 #include <string> 14 #include <vector> 15 16 namespace llvm { 17 18 enum class ExceptionHandling { 19 None, ///< No exception support 20 DwarfCFI, ///< DWARF-like instruction based exceptions 21 SjLj, ///< setjmp/longjmp based exceptions 22 ARM, ///< ARM EHABI 23 WinEH, ///< Windows Exception Handling 24 Wasm, ///< WebAssembly Exception Handling 25 AIX, ///< AIX Exception Handling 26 }; 27 28 enum class DebugCompressionType { 29 None, ///< No compression 30 GNU, ///< zlib-gnu style compression 31 Z, ///< zlib style complession 32 }; 33 34 class StringRef; 35 36 class MCTargetOptions { 37 public: 38 enum AsmInstrumentation { 39 AsmInstrumentationNone, 40 AsmInstrumentationAddress 41 }; 42 43 bool MCRelaxAll : 1; 44 bool MCNoExecStack : 1; 45 bool MCFatalWarnings : 1; 46 bool MCNoWarn : 1; 47 bool MCNoDeprecatedWarn : 1; 48 bool MCSaveTempLabels : 1; 49 bool MCUseDwarfDirectory : 1; 50 bool MCIncrementalLinkerCompatible : 1; 51 bool ShowMCEncoding : 1; 52 bool ShowMCInst : 1; 53 bool AsmVerbose : 1; 54 55 /// Preserve Comments in Assembly. 56 bool PreserveAsmComments : 1; 57 58 bool Dwarf64 : 1; 59 int DwarfVersion = 0; 60 61 std::string ABIName; 62 std::string AssemblyLanguage; 63 std::string SplitDwarfFile; 64 65 const char *Argv0 = nullptr; 66 ArrayRef<const char *> CommandLineArgs; 67 68 /// Additional paths to search for `.include` directives when using the 69 /// integrated assembler. 70 std::vector<std::string> IASSearchPaths; 71 72 MCTargetOptions(); 73 74 /// getABIName - If this returns a non-empty string this represents the 75 /// textual name of the ABI that we want the backend to use, e.g. o32, or 76 /// aapcs-linux. 77 StringRef getABIName() const; 78 79 /// getAssemblyLanguage - If this returns a non-empty string this represents 80 /// the textual name of the assembly language that we will use for this 81 /// target, e.g. masm. 82 StringRef getAssemblyLanguage() const; 83 }; 84 85 } // end namespace llvm 86 87 #endif // LLVM_MC_MCTARGETOPTIONS_H 88