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 }
43