1 //===- MCSymbolXCOFF.h -  ----------------------------------------*- 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 #ifndef LLVM_MC_MCSYMBOLXCOFF_H
9 #define LLVM_MC_MCSYMBOLXCOFF_H
10 
11 #include "llvm/ADT/StringRef.h"
12 #include "llvm/BinaryFormat/XCOFF.h"
13 #include "llvm/MC/MCSymbol.h"
14 
15 namespace llvm {
16 
17 class MCSectionXCOFF;
18 
19 class MCSymbolXCOFF : public MCSymbol {
20 public:
21   MCSymbolXCOFF(const StringMapEntry<bool> *Name, bool isTemporary)
22       : MCSymbol(SymbolKindXCOFF, Name, isTemporary) {}
23 
24   static bool classof(const MCSymbol *S) { return S->isXCOFF(); }
25 
26   static StringRef getUnqualifiedName(StringRef Name) {
27     if (Name.back() == ']') {
28       StringRef Lhs, Rhs;
29       std::tie(Lhs, Rhs) = Name.rsplit('[');
30       assert(!Rhs.empty() && "Invalid SMC format in XCOFF symbol.");
31       return Lhs;
32     }
33     return Name;
34   }
35 
36   void setStorageClass(XCOFF::StorageClass SC) {
37     StorageClass = SC;
38   };
39 
40   XCOFF::StorageClass getStorageClass() const {
41     assert(StorageClass && "StorageClass not set on XCOFF MCSymbol.");
42     return *StorageClass;
43   }
44 
45   StringRef getUnqualifiedName() const { return getUnqualifiedName(getName()); }
46 
47   MCSectionXCOFF *getRepresentedCsect() const;
48 
49   void setRepresentedCsect(MCSectionXCOFF *C);
50 
51   void setVisibilityType(XCOFF::VisibilityType SVT) { VisibilityType = SVT; };
52 
53   XCOFF::VisibilityType getVisibilityType() const { return VisibilityType; }
54 
55   bool hasRename() const { return !SymbolTableName.empty(); }
56 
57   void setSymbolTableName(StringRef STN) { SymbolTableName = STN; }
58 
59   StringRef getSymbolTableName() const {
60     if (hasRename())
61       return SymbolTableName;
62     return getUnqualifiedName();
63   }
64 
65 private:
66   std::optional<XCOFF::StorageClass> StorageClass;
67   MCSectionXCOFF *RepresentedCsect = nullptr;
68   XCOFF::VisibilityType VisibilityType = XCOFF::SYM_V_UNSPECIFIED;
69   StringRef SymbolTableName;
70 };
71 
72 } // end namespace llvm
73 
74 #endif // LLVM_MC_MCSYMBOLXCOFF_H
75