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14 | pmbaty | 1 | //===- MCTargetOptions.h - MC Target Options --------------------*- C++ -*-===// |
2 | // |
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3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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4 | // See https://llvm.org/LICENSE.txt for license information. |
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5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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6 | // |
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7 | //===----------------------------------------------------------------------===// |
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8 | |||
9 | #ifndef LLVM_MC_MCTARGETOPTIONS_H |
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10 | #define LLVM_MC_MCTARGETOPTIONS_H |
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11 | |||
12 | #include "llvm/ADT/ArrayRef.h" |
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13 | #include "llvm/Support/Compression.h" |
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14 | #include <string> |
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15 | #include <vector> |
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16 | |||
17 | namespace llvm { |
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18 | |||
19 | enum class ExceptionHandling { |
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20 | None, ///< No exception support |
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21 | DwarfCFI, ///< DWARF-like instruction based exceptions |
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22 | SjLj, ///< setjmp/longjmp based exceptions |
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23 | ARM, ///< ARM EHABI |
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24 | WinEH, ///< Windows Exception Handling |
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25 | Wasm, ///< WebAssembly Exception Handling |
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26 | AIX, ///< AIX Exception Handling |
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27 | }; |
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28 | |||
29 | enum class EmitDwarfUnwindType { |
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30 | Always, // Always emit dwarf unwind |
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31 | NoCompactUnwind, // Only emit if compact unwind isn't available |
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32 | Default, // Default behavior is based on the target |
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33 | }; |
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34 | |||
35 | class StringRef; |
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36 | |||
37 | class MCTargetOptions { |
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38 | public: |
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39 | enum AsmInstrumentation { |
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40 | AsmInstrumentationNone, |
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41 | AsmInstrumentationAddress |
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42 | }; |
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43 | |||
44 | bool MCRelaxAll : 1; |
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45 | bool MCNoExecStack : 1; |
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46 | bool MCFatalWarnings : 1; |
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47 | bool MCNoWarn : 1; |
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48 | bool MCNoDeprecatedWarn : 1; |
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49 | bool MCNoTypeCheck : 1; |
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50 | bool MCSaveTempLabels : 1; |
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51 | bool MCIncrementalLinkerCompatible : 1; |
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52 | bool ShowMCEncoding : 1; |
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53 | bool ShowMCInst : 1; |
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54 | bool AsmVerbose : 1; |
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55 | |||
56 | /// Preserve Comments in Assembly. |
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57 | bool PreserveAsmComments : 1; |
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58 | |||
59 | bool Dwarf64 : 1; |
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60 | |||
61 | EmitDwarfUnwindType EmitDwarfUnwind; |
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62 | |||
63 | int DwarfVersion = 0; |
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64 | |||
65 | enum DwarfDirectory { |
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66 | // Force disable |
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67 | DisableDwarfDirectory, |
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68 | // Force enable, for assemblers that support |
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69 | // `.file fileno directory filename' syntax |
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70 | EnableDwarfDirectory, |
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71 | // Default is based on the target |
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72 | DefaultDwarfDirectory |
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73 | }; |
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74 | DwarfDirectory MCUseDwarfDirectory; |
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75 | |||
76 | std::string ABIName; |
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77 | std::string AssemblyLanguage; |
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78 | std::string SplitDwarfFile; |
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79 | std::string AsSecureLogFile; |
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80 | |||
81 | const char *Argv0 = nullptr; |
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82 | ArrayRef<std::string> CommandLineArgs; |
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83 | |||
84 | /// Additional paths to search for `.include` directives when using the |
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85 | /// integrated assembler. |
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86 | std::vector<std::string> IASSearchPaths; |
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87 | |||
88 | MCTargetOptions(); |
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89 | |||
90 | /// getABIName - If this returns a non-empty string this represents the |
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91 | /// textual name of the ABI that we want the backend to use, e.g. o32, or |
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92 | /// aapcs-linux. |
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93 | StringRef getABIName() const; |
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94 | |||
95 | /// getAssemblyLanguage - If this returns a non-empty string this represents |
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96 | /// the textual name of the assembly language that we will use for this |
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97 | /// target, e.g. masm. |
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98 | StringRef getAssemblyLanguage() const; |
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99 | }; |
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100 | |||
101 | } // end namespace llvm |
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102 | |||
103 | #endif // LLVM_MC_MCTARGETOPTIONS_H |