LLVM  10.0.0svn
MCRelocationInfo.h
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1 //===- llvm/MC/MCRelocationInfo.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 //
9 // This file declares the MCRelocationInfo class, which provides methods to
10 // create MCExprs from relocations, either found in an object::ObjectFile
11 // (object::RelocationRef), or provided through the C API.
12 //
13 //===----------------------------------------------------------------------===//
14 
15 #ifndef LLVM_MC_MCDISASSEMBLER_MCRELOCATIONINFO_H
16 #define LLVM_MC_MCDISASSEMBLER_MCRELOCATIONINFO_H
17 
18 namespace llvm {
19 
20 class MCContext;
21 class MCExpr;
22 
23 /// Create MCExprs from relocations found in an object file.
25 protected:
27 
28 public:
30  MCRelocationInfo(const MCRelocationInfo &) = delete;
31  MCRelocationInfo &operator=(const MCRelocationInfo &) = delete;
32  virtual ~MCRelocationInfo();
33 
34  /// Create an MCExpr for the target-specific \p VariantKind.
35  /// The VariantKinds are defined in llvm-c/Disassembler.h.
36  /// Used by MCExternalSymbolizer.
37  /// \returns If possible, an MCExpr corresponding to VariantKind, else 0.
38  virtual const MCExpr *createExprForCAPIVariantKind(const MCExpr *SubExpr,
39  unsigned VariantKind);
40 };
41 
42 } // end namespace llvm
43 
44 #endif // LLVM_MC_MCDISASSEMBLER_MCRELOCATIONINFO_H
This class represents lattice values for constants.
Definition: AllocatorList.h:23
Base class for the full range of assembler expressions which are needed for parsing.
Definition: MCExpr.h:35
Context object for machine code objects.
Definition: MCContext.h:65
Create MCExprs from relocations found in an object file.
MCRelocationInfo & operator=(const MCRelocationInfo &)=delete
virtual const MCExpr * createExprForCAPIVariantKind(const MCExpr *SubExpr, unsigned VariantKind)
Create an MCExpr for the target-specific VariantKind.
MCRelocationInfo(MCContext &Ctx)