1//===- SparcMCAsmInfo.cpp - Sparc asm properties --------------------------===//
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 contains the declarations of the SparcMCAsmInfo properties.
10//
11//===----------------------------------------------------------------------===//
12
13#include "SparcMCAsmInfo.h"
14#include "SparcMCExpr.h"
15#include "llvm/ADT/Triple.h"
16#include "llvm/BinaryFormat/Dwarf.h"
17#include "llvm/MC/MCExpr.h"
18#include "llvm/MC/MCStreamer.h"
19#include "llvm/MC/MCTargetOptions.h"
20
21using namespace llvm;
22
23void SparcELFMCAsmInfo::anchor() {}
24
25SparcELFMCAsmInfo::SparcELFMCAsmInfo(const Triple &TheTriple) {
26  bool isV9 = (TheTriple.getArch() == Triple::sparcv9);
27  IsLittleEndian = (TheTriple.getArch() == Triple::sparcel);
28
29  if (isV9) {
30    CodePointerSize = CalleeSaveStackSlotSize = 8;
31  }
32
33  Data16bitsDirective = "\t.half\t";
34  Data32bitsDirective = "\t.word\t";
35  // .xword is only supported by V9.
36  Data64bitsDirective = (isV9) ? "\t.xword\t" : nullptr;
37  ZeroDirective = "\t.skip\t";
38  CommentString = "!";
39  SupportsDebugInformation = true;
40
41  ExceptionsType = ExceptionHandling::DwarfCFI;
42
43  UsesELFSectionDirectiveForBSS = true;
44}
45
46const MCExpr*
47SparcELFMCAsmInfo::getExprForPersonalitySymbol(const MCSymbol *Sym,
48                                               unsigned Encoding,
49                                               MCStreamer &Streamer) const {
50  if (Encoding & dwarf::DW_EH_PE_pcrel) {
51    MCContext &Ctx = Streamer.getContext();
52    return SparcMCExpr::create(SparcMCExpr::VK_Sparc_R_DISP32,
53                               MCSymbolRefExpr::create(Sym, Ctx), Ctx);
54  }
55
56  return MCAsmInfo::getExprForPersonalitySymbol(Sym, Encoding, Streamer);
57}
58
59const MCExpr*
60SparcELFMCAsmInfo::getExprForFDESymbol(const MCSymbol *Sym,
61                                       unsigned Encoding,
62                                       MCStreamer &Streamer) const {
63  if (Encoding & dwarf::DW_EH_PE_pcrel) {
64    MCContext &Ctx = Streamer.getContext();
65    return SparcMCExpr::create(SparcMCExpr::VK_Sparc_R_DISP32,
66                               MCSymbolRefExpr::create(Sym, Ctx), Ctx);
67  }
68  return MCAsmInfo::getExprForFDESymbol(Sym, Encoding, Streamer);
69}
70