File: SparcTargetObjectFile.cpp

package info (click to toggle)
llvm-toolchain-6.0 1%3A6.0.1-10
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 598,080 kB
  • sloc: cpp: 3,046,253; ansic: 595,057; asm: 271,965; python: 128,926; objc: 106,554; sh: 21,906; lisp: 10,191; pascal: 6,094; ml: 5,544; perl: 5,265; makefile: 2,227; cs: 2,027; xml: 686; php: 212; csh: 117
file content (48 lines) | stat: -rw-r--r-- 1,870 bytes parent folder | download | duplicates (4)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
//===------- SparcTargetObjectFile.cpp - Sparc Object Info Impl -----------===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

#include "SparcTargetObjectFile.h"
#include "MCTargetDesc/SparcMCExpr.h"
#include "llvm/BinaryFormat/Dwarf.h"
#include "llvm/CodeGen/MachineModuleInfoImpls.h"
#include "llvm/CodeGen/TargetLowering.h"

using namespace llvm;

void SparcELFTargetObjectFile::Initialize(MCContext &Ctx,
                                          const TargetMachine &TM) {
  TargetLoweringObjectFileELF::Initialize(Ctx, TM);
  InitializeELF(TM.Options.UseInitArray);
}

const MCExpr *SparcELFTargetObjectFile::getTTypeGlobalReference(
    const GlobalValue *GV, unsigned Encoding, const TargetMachine &TM,
    MachineModuleInfo *MMI, MCStreamer &Streamer) const {

  if (Encoding & dwarf::DW_EH_PE_pcrel) {
    MachineModuleInfoELF &ELFMMI = MMI->getObjFileInfo<MachineModuleInfoELF>();

    MCSymbol *SSym = getSymbolWithGlobalValueBase(GV, ".DW.stub", TM);

    // Add information about the stub reference to ELFMMI so that the stub
    // gets emitted by the asmprinter.
    MachineModuleInfoImpl::StubValueTy &StubSym = ELFMMI.getGVStubEntry(SSym);
    if (!StubSym.getPointer()) {
      MCSymbol *Sym = TM.getSymbol(GV);
      StubSym = MachineModuleInfoImpl::StubValueTy(Sym, !GV->hasLocalLinkage());
    }

    MCContext &Ctx = getContext();
    return SparcMCExpr::create(SparcMCExpr::VK_Sparc_R_DISP32,
                               MCSymbolRefExpr::create(SSym, Ctx), Ctx);
  }

  return TargetLoweringObjectFileELF::getTTypeGlobalReference(GV, Encoding, TM,
                                                              MMI, Streamer);
}