void DwarfCompileUnit::addLocalLabelAddress(DIE &Die,
dwarf::Attribute Attribute,
const MCSymbol *Label) {
if (Label)
DD->addArangeLabel(SymbolCU(this, Label));
if (Label)
Die.addValue(DIEValueAllocator, Attribute, dwarf::DW_FORM_addr,
DIELabel(Label));
else
Die.addValue(DIEValueAllocator, Attribute, dwarf::DW_FORM_addr,
DIEInteger(0));
}
/// addLabelAddress - Add a dwarf label attribute data and value using
/// DW_FORM_addr or DW_FORM_GNU_addr_index.
void DwarfCompileUnit::addLabelAddress(DIE &Die, dwarf::Attribute Attribute,
const MCSymbol *Label) {
// Don't use the address pool in non-fission or in the skeleton unit itself.
// FIXME: Once GDB supports this, it's probably worthwhile using the address
// pool from the skeleton - maybe even in non-fission (possibly fewer
// relocations by sharing them in the pool, but we have other ideas about how
// to reduce the number of relocations as well/instead).
if ((!DD->useSplitDwarf() || !Skeleton) && DD->getDwarfVersion() < 5)
return addLocalLabelAddress(Die, Attribute, Label);
if (Label)
DD->addArangeLabel(SymbolCU(this, Label));
unsigned idx = DD->getAddressPool().getIndex(Label);
Die.addValue(DIEValueAllocator, Attribute,
DD->getDwarfVersion() >= 5 ? dwarf::DW_FORM_addrx
: dwarf::DW_FORM_GNU_addr_index,
DIEInteger(idx));
}
void DwarfCompileUnit::addAddressExpr(DIE &Die, dwarf::Attribute Attribute,
const MCExpr *Expr) {
Die.addValue(DIEValueAllocator, Attribute, dwarf::DW_FORM_addr,
DIEExpr(Expr));
}
void DwarfCompileUnit::applyStmtList(DIE &D) {
D.addValue(DIEValueAllocator, *StmtListValue);
}
/// Add a Dwarf loclistptr attribute data and value.
void DwarfCompileUnit::addLocationList(DIE &Die, dwarf::Attribute Attribute,
unsigned Index) {
dwarf::Form Form = DD->getDwarfVersion() >= 4 ? dwarf::DW_FORM_sec_offset
: dwarf::DW_FORM_data4;
Die.addValue(DIEValueAllocator, Attribute, Form, DIELocList(Index));
}