Ejemplo n.º 1
0
void AsmPrinter::emitDwarfDIE(const DIE &Die) const {
  // Emit the code (index) for the abbreviation.
  if (isVerbose())
    OutStreamer->AddComment("Abbrev [" + Twine(Die.getAbbrevNumber()) + "] 0x" +
                            Twine::utohexstr(Die.getOffset()) + ":0x" +
                            Twine::utohexstr(Die.getSize()) + " " +
                            dwarf::TagString(Die.getTag()));
  EmitULEB128(Die.getAbbrevNumber());

  // Emit the DIE attribute values.
  for (const auto &V : Die.values()) {
    dwarf::Attribute Attr = V.getAttribute();
    assert(V.getForm() && "Too many attributes for DIE (check abbreviation)");

    if (isVerbose()) {
      OutStreamer->AddComment(dwarf::AttributeString(Attr));
      if (Attr == dwarf::DW_AT_accessibility)
        OutStreamer->AddComment(
            dwarf::AccessibilityString(V.getDIEInteger().getValue()));
    }

    // Emit an attribute using the defined form.
    V.EmitValue(this);
  }

  // Emit the DIE children if any.
  if (Die.hasChildren()) {
    for (auto &Child : Die.children())
      emitDwarfDIE(Child);

    OutStreamer->AddComment("End Of Children Mark");
    EmitInt8(0);
  }
}
Ejemplo n.º 2
0
/// Climb up the parent chain to get the compile unit DIE to which this DIE
/// belongs.
DIE *DIE::getCompileUnit() {
  DIE *p = this;
  while (p) {
    if (p->getTag() == dwarf::DW_TAG_compile_unit)
      return p;
    p = p->getParent();
  }
  llvm_unreachable("We should not have orphaned DIEs.");
}
Ejemplo n.º 3
0
void CompileUnit::noteRangeAttribute(const DIE &Die, PatchLocation Attr) {
  if (Die.getTag() != dwarf::DW_TAG_compile_unit)
    RangeAttributes.push_back(Attr);
  else
    UnitRangeAttribute = Attr;
}