dwarfdump: support indexed string dumping in dwp based on the STR_OFFSETS component of the index
llvm-svn: 253392
diff --git a/llvm/lib/DebugInfo/DWARF/DWARFUnit.cpp b/llvm/lib/DebugInfo/DWARF/DWARFUnit.cpp
index 51c6c09..53a149b 100644
--- a/llvm/lib/DebugInfo/DWARF/DWARFUnit.cpp
+++ b/llvm/lib/DebugInfo/DWARF/DWARFUnit.cpp
@@ -37,7 +37,11 @@
const DWARFUnitSectionBase &UnitSection,
const DWARFUnitIndex::Entry *IndexEntry)
: Context(DC), InfoSection(Section), Abbrev(DA), RangeSection(RS),
- LineSection(LS), StringSection(SS), StringOffsetSection(SOS),
+ LineSection(LS), StringSection(SS), StringOffsetSection([&]() {
+ if (const auto *C = IndexEntry->getOffset(DW_SECT_STR_OFFSETS))
+ return SOS.slice(C->Offset, C->Offset + C->Length);
+ return SOS;
+ }()),
AddrOffsetSection(AOS), isLittleEndian(LE), UnitSection(UnitSection),
IndexEntry(IndexEntry) {
clear();