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 }; 26 27 enum class DebugCompressionType { 28 None, ///< No compression 29 GNU, ///< zlib-gnu style compression 30 Z, ///< zlib style complession 31 }; 32 33 class StringRef; 34 35 class MCTargetOptions { 36 public: 37 enum AsmInstrumentation { 38 AsmInstrumentationNone, 39 AsmInstrumentationAddress 40 }; 41 42 bool MCRelaxAll : 1; 43 bool MCNoExecStack : 1; 44 bool MCFatalWarnings : 1; 45 bool MCNoWarn : 1; 46 bool MCNoDeprecatedWarn : 1; 47 bool MCSaveTempLabels : 1; 48 bool MCUseDwarfDirectory : 1; 49 bool MCIncrementalLinkerCompatible : 1; 50 bool ShowMCEncoding : 1; 51 bool ShowMCInst : 1; 52 bool AsmVerbose : 1; 53 54 /// Preserve Comments in Assembly. 55 bool PreserveAsmComments : 1; 56 57 bool Dwarf64 : 1; 58 int DwarfVersion = 0; 59 60 std::string ABIName; 61 std::string AssemblyLanguage; 62 std::string SplitDwarfFile; 63 64 const char *Argv0 = nullptr; 65 ArrayRef<const char *> CommandLineArgs; 66 67 /// Additional paths to search for `.include` directives when using the 68 /// integrated assembler. 69 std::vector<std::string> IASSearchPaths; 70 71 MCTargetOptions(); 72 73 /// getABIName - If this returns a non-empty string this represents the 74 /// textual name of the ABI that we want the backend to use, e.g. o32, or 75 /// aapcs-linux. 76 StringRef getABIName() const; 77 78 /// getAssemblyLanguage - If this returns a non-empty string this represents 79 /// the textual name of the assembly language that we will use for this 80 /// target, e.g. masm. 81 StringRef getAssemblyLanguage() const; 82 }; 83 84 } // end namespace llvm 85 86 #endif // LLVM_MC_MCTARGETOPTIONS_H 87