Exemplo n.º 1
0
void AsmPrinter::emitDwarfAbbrev(const DIEAbbrev &Abbrev) const {
  // Emit the abbreviations code (base 1 index.)
  EmitULEB128(Abbrev.getNumber(), "Abbreviation Code");

  // Emit the abbreviations data.
  Abbrev.Emit(this);
}
Exemplo n.º 2
0
// Define a unique number for the abbreviation.
//
void DwarfFile::assignAbbrevNumber(DIEAbbrev &Abbrev) {
  // Check the set for priors.
  DIEAbbrev *InSet = AbbreviationsSet.GetOrInsertNode(&Abbrev);

  // If it's newly added.
  if (InSet == &Abbrev) {
    // Add to abbreviation list.
    Abbreviations.push_back(&Abbrev);

    // Assign the vector position + 1 as its number.
    Abbrev.setNumber(Abbreviations.size());
  } else {
    // Assign existing abbreviation number.
    Abbrev.setNumber(InSet->getNumber());
  }
}
Exemplo n.º 3
0
DIEAbbrev &DIEAbbrevSet::uniqueAbbreviation(DIE &Die) {

  FoldingSetNodeID ID;
  DIEAbbrev Abbrev = Die.generateAbbrev();
  Abbrev.Profile(ID);

  void *InsertPos;
  if (DIEAbbrev *Existing =
          AbbreviationsSet.FindNodeOrInsertPos(ID, InsertPos)) {
    Die.setAbbrevNumber(Existing->getNumber());
    return *Existing;
  }

  // Move the abbreviation to the heap and assign a number.
  DIEAbbrev *New = new (Alloc) DIEAbbrev(std::move(Abbrev));
  Abbreviations.push_back(New);
  New->setNumber(Abbreviations.size());
  Die.setAbbrevNumber(Abbreviations.size());

  // Store it for lookup.
  AbbreviationsSet.InsertNode(New, InsertPos);
  return *New;
}