//===----------------------------------------------------------------------===//
#include "DIE.h"
+
+#include "DwarfCompileUnit.h"
#include "DwarfDebug.h"
#include "DwarfUnit.h"
#include "llvm/ADT/Twine.h"
void DIEAbbrev::dump() { print(dbgs()); }
#endif
-//===----------------------------------------------------------------------===//
-// DIE Implementation
-//===----------------------------------------------------------------------===//
-
-DIE::~DIE() {
- for (unsigned i = 0, N = Children.size(); i < N; ++i)
- delete Children[i];
-}
-
/// Climb up the parent chain to get the unit DIE to which this DIE
/// belongs.
const DIE *DIE::getUnit() const {
return p;
p = p->getParent();
}
- return NULL;
+ return nullptr;
}
DIEValue *DIE::findAttribute(dwarf::Attribute Attribute) const {
for (size_t i = 0; i < Values.size(); ++i)
if (Abbrevs.getData()[i].getAttribute() == Attribute)
return Values[i];
- return NULL;
+ return nullptr;
}
#ifndef NDEBUG
/// EmitValue - Emit debug information entry offset.
///
void DIEEntry::EmitValue(AsmPrinter *AP, dwarf::Form Form) const {
- AP->EmitInt32(Entry->getOffset());
+
+ if (Form == dwarf::DW_FORM_ref_addr) {
+ const DwarfDebug *DD = AP->getDwarfDebug();
+ unsigned Addr = Entry.getOffset();
+ assert(!DD->useSplitDwarf() && "TODO: dwo files can't have relocations.");
+ // For DW_FORM_ref_addr, output the offset from beginning of debug info
+ // section. Entry->getOffset() returns the offset from start of the
+ // compile unit.
+ DwarfCompileUnit *CU = DD->lookupUnit(Entry.getUnit());
+ assert(CU && "CUDie should belong to a CU.");
+ Addr += CU->getDebugInfoOffset();
+ if (AP->MAI->doesDwarfUseRelocationsAcrossSections())
+ AP->EmitLabelPlusOffset(CU->getSectionSym(), Addr,
+ DIEEntry::getRefAddrSize(AP));
+ else
+ AP->EmitLabelOffsetDifference(CU->getSectionSym(), Addr,
+ CU->getSectionSym(),
+ DIEEntry::getRefAddrSize(AP));
+ } else
+ AP->EmitInt32(Entry.getOffset());
}
unsigned DIEEntry::getRefAddrSize(AsmPrinter *AP) {
#ifndef NDEBUG
void DIEEntry::print(raw_ostream &O) const {
- O << format("Die: 0x%lx", (long)(intptr_t)Entry);
+ O << format("Die: 0x%lx", (long)(intptr_t)&Entry);
}
#endif
DIE::print(O, 5);
}
#endif
+
+//===----------------------------------------------------------------------===//
+// DIELocList Implementation
+//===----------------------------------------------------------------------===//
+
+unsigned DIELocList::SizeOf(AsmPrinter *AP, dwarf::Form Form) const {
+ if (Form == dwarf::DW_FORM_data4)
+ return 4;
+ if (Form == dwarf::DW_FORM_sec_offset)
+ return 4;
+ return AP->getDataLayout().getPointerSize();
+}
+
+/// EmitValue - Emit label value.
+///
+void DIELocList::EmitValue(AsmPrinter *AP, dwarf::Form Form) const {
+ DwarfDebug *DD = AP->getDwarfDebug();
+ MCSymbol *Label = DD->getDebugLocEntries()[Index].Label;
+
+ if (AP->MAI->doesDwarfUseRelocationsAcrossSections() && !DD->useSplitDwarf())
+ AP->EmitSectionOffset(Label, DD->getDebugLocSym());
+ else
+ AP->EmitLabelDifference(Label, DD->getDebugLocSym(), 4);
+}
+
+#ifndef NDEBUG
+void DIELocList::print(raw_ostream &O) const {
+ O << "LocList: " << Index;
+
+}
+#endif