include/llvm/MC/MCTargetOptions.h

   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 <string>
  13 #include <vector>
  14
  15 namespace llvm {
  16
  17 enum class ExceptionHandling {
  18   None,     ///< No exception support
  19   DwarfCFI, ///< DWARF-like instruction based exceptions
  20   SjLj,     ///< setjmp/longjmp based exceptions
  21   ARM,      ///< ARM EHABI
  22   WinEH,    ///< Windows Exception Handling
  23   Wasm,     ///< WebAssembly Exception Handling
  24 };
  25
  26 enum class DebugCompressionType {
  27   None, ///< No compression
  28   GNU,  ///< zlib-gnu style compression
  29   Z,    ///< zlib style complession
  30 };
  31
  32 class StringRef;
  33
  34 class MCTargetOptions {
  35 public:
  36   enum AsmInstrumentation {
  37     AsmInstrumentationNone,
  38     AsmInstrumentationAddress
  39   };
  40
  41   bool MCRelaxAll : 1;
  42   bool MCNoExecStack : 1;
  43   bool MCFatalWarnings : 1;
  44   bool MCNoWarn : 1;
  45   bool MCNoDeprecatedWarn : 1;
  46   bool MCSaveTempLabels : 1;
  47   bool MCUseDwarfDirectory : 1;
  48   bool MCIncrementalLinkerCompatible : 1;
  49   bool MCPIECopyRelocations : 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   int DwarfVersion = 0;
  58
  59   std::string ABIName;
  60   std::string SplitDwarfFile;
  61
  62   /// Additional paths to search for `.include` directives when using the
  63   /// integrated assembler.
  64   std::vector<std::string> IASSearchPaths;
  65
  66   MCTargetOptions();
  67
  68   /// getABIName - If this returns a non-empty string this represents the
  69   /// textual name of the ABI that we want the backend to use, e.g. o32, or
  70   /// aapcs-linux.
  71   StringRef getABIName() const;
  72 };
  73
  74 } // end namespace llvm
  75
  76 #endif // LLVM_MC_MCTARGETOPTIONS_H