lib/Target/ARM/MCTargetDesc/ARMMachORelocationInfo.cpp

   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"
  10 #include "MCTargetDesc/ARMMCTargetDesc.h"
  11 #include "llvm-c/Disassembler.h"
  12 #include "llvm/MC/MCDisassembler/MCRelocationInfo.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) {
  26     case LLVMDisassembler_VariantKind_ARM_HI16:
  27       return ARMMCExpr::createUpper16(SubExpr, Ctx);
  28     case LLVMDisassembler_VariantKind_ARM_LO16:
  29       return ARMMCExpr::createLower16(SubExpr, Ctx);
  30     default:
  31       return MCRelocationInfo::createExprForCAPIVariantKind(SubExpr,
  32                                                             VariantKind);
  33     }
  34   }
  35 };
  36
  37 } // end anonymous namespace
  38
  39 /// createARMMachORelocationInfo - Construct an ARM Mach-O RelocationInfo.
  40 MCRelocationInfo *llvm::createARMMachORelocationInfo(MCContext &Ctx) {
  41   return new ARMMachORelocationInfo(Ctx);
  42 }