LLVM  9.0.0svn
ARMMachORelocationInfo.cpp
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1 //===- ARMMachORelocationInfo.cpp -----------------------------------------===//
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 #include "ARMMCExpr.h"
11 #include "llvm-c/Disassembler.h"
13 #include "llvm/MC/MCExpr.h"
14 
15 using namespace llvm;
16 
17 namespace {
18 
19 class ARMMachORelocationInfo : public MCRelocationInfo {
20 public:
21  ARMMachORelocationInfo(MCContext &Ctx) : MCRelocationInfo(Ctx) {}
22 
23  const MCExpr *createExprForCAPIVariantKind(const MCExpr *SubExpr,
24  unsigned VariantKind) override {
25  switch(VariantKind) {
27  return ARMMCExpr::createUpper16(SubExpr, Ctx);
29  return ARMMCExpr::createLower16(SubExpr, Ctx);
30  default:
32  VariantKind);
33  }
34  }
35 };
36 
37 } // end anonymous namespace
38 
39 /// createARMMachORelocationInfo - Construct an ARM Mach-O RelocationInfo.
41  return new ARMMachORelocationInfo(Ctx);
42 }
This class represents lattice values for constants.
Definition: AllocatorList.h:23
MCRelocationInfo * createARMMachORelocationInfo(MCContext &Ctx)
Construct ARM Mach-O relocation info.
#define LLVMDisassembler_VariantKind_ARM_HI16
The ARM target VariantKinds.
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:62
static const ARMMCExpr * createLower16(const MCExpr *Expr, MCContext &Ctx)
Definition: ARMMCExpr.h:42
#define LLVMDisassembler_VariantKind_ARM_LO16
Create MCExprs from relocations found in an object file.
static const ARMMCExpr * createUpper16(const MCExpr *Expr, MCContext &Ctx)
Definition: ARMMCExpr.h:38
virtual const MCExpr * createExprForCAPIVariantKind(const MCExpr *SubExpr, unsigned VariantKind)
Create an MCExpr for the target-specific VariantKind.