Coverage Report

Created: 2017-10-03 07:32

/Users/buildslave/jenkins/sharedspace/clang-stage2-coverage-R@2/llvm/lib/MC/MCSectionCOFF.cpp
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//===- lib/MC/MCSectionCOFF.cpp - COFF Code Section Representation --------===//
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//
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//                     The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/MC/MCSectionCOFF.h"
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#include "llvm/BinaryFormat/COFF.h"
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#include "llvm/MC/MCSymbol.h"
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#include "llvm/Support/raw_ostream.h"
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#include <cassert>
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using namespace llvm;
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MCSectionCOFF::~MCSectionCOFF() = default; // anchor.
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// ShouldOmitSectionDirective - Decides whether a '.section' directive
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// should be printed before the section name
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bool MCSectionCOFF::ShouldOmitSectionDirective(StringRef Name,
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1.55k
                                               const MCAsmInfo &MAI) const {
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  if (COMDATSymbol)
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    return false;
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1.42k
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1.42k
  // FIXME: Does .section .bss/.data/.text work everywhere??
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1.42k
  
if (1.42k
Name == ".text" || 1.42k
Name == ".data"495
||
Name == ".bss"464
)
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    return true;
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  return false;
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}
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void MCSectionCOFF::setSelection(int Selection) const {
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  assert(Selection != 0 && "invalid COMDAT selection type");
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  this->Selection = Selection;
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  Characteristics |= COFF::IMAGE_SCN_LNK_COMDAT;
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}
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void MCSectionCOFF::PrintSwitchToSection(const MCAsmInfo &MAI, const Triple &T,
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                                         raw_ostream &OS,
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                                         const MCExpr *Subsection) const {
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  // standard sections don't require the '.section'
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  if (
ShouldOmitSectionDirective(SectionName, MAI)1.55k
) {
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    OS << '\t' << getSectionName() << '\n';
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    return;
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  }
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  OS << "\t.section\t" << getSectionName() << ",\"";
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  if (getCharacteristics() & COFF::IMAGE_SCN_CNT_INITIALIZED_DATA)
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    OS << 'd';
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  if (getCharacteristics() & COFF::IMAGE_SCN_CNT_UNINITIALIZED_DATA)
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    OS << 'b';
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  if (getCharacteristics() & COFF::IMAGE_SCN_MEM_EXECUTE)
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    OS << 'x';
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  if (getCharacteristics() & COFF::IMAGE_SCN_MEM_WRITE)
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    OS << 'w';
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  else 
if (514
getCharacteristics() & COFF::IMAGE_SCN_MEM_READ514
)
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    OS << 'r';
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  else
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    OS << 'y';
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  if (getCharacteristics() & COFF::IMAGE_SCN_LNK_REMOVE)
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    OS << 'n';
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  if (getCharacteristics() & COFF::IMAGE_SCN_MEM_SHARED)
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1
    OS << 's';
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  if ((getCharacteristics() & COFF::IMAGE_SCN_MEM_DISCARDABLE) &&
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      !isImplicitlyDiscardable(SectionName))
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    OS << 'D';
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  OS << '"';
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  if (
getCharacteristics() & COFF::IMAGE_SCN_LNK_COMDAT560
) {
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    OS << ",";
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    switch (Selection) {
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      case COFF::IMAGE_COMDAT_SELECT_NODUPLICATES:
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        OS << "one_only,";
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        break;
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      case COFF::IMAGE_COMDAT_SELECT_ANY:
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        OS << "discard,";
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        break;
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      case COFF::IMAGE_COMDAT_SELECT_SAME_SIZE:
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        OS << "same_size,";
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        break;
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      case COFF::IMAGE_COMDAT_SELECT_EXACT_MATCH:
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        OS << "same_contents,";
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        break;
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      case COFF::IMAGE_COMDAT_SELECT_ASSOCIATIVE:
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        OS << "associative,";
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        break;
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      case COFF::IMAGE_COMDAT_SELECT_LARGEST:
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        OS << "largest,";
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        break;
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      case COFF::IMAGE_COMDAT_SELECT_NEWEST:
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        OS << "newest,";
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        break;
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      default:
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        assert(false && "unsupported COFF selection type");
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        break;
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    }
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    assert(COMDATSymbol);
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    COMDATSymbol->print(OS, &MAI);
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  }
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  OS << '\n';
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}
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bool MCSectionCOFF::UseCodeAlign() const {
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  return getKind().isText();
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}
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bool MCSectionCOFF::isVirtualSection() const {
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  return getCharacteristics() & COFF::IMAGE_SCN_CNT_UNINITIALIZED_DATA;
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}