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
77