[PATCH] D96827: [DWARF][WIP] Check for AddrOffsetSectionBase to work with DWO Units.

[Alexander Yermolovich via Phabricator via llvm-commits]

ayermolo created this revision.
Herald added subscribers: hoy, wenlei, hiraditya.
ayermolo requested review of this revision.
Herald added a project: LLVM.
Herald added a subscriber: llvm-commits.

Context: https://lists.llvm.org/pipermail/llvm-dev/2021-February/148521.html

Work in progress diff, to start a conversation how to fix address/location apis for debug fission.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D96827

Files:
  llvm/lib/DebugInfo/DWARF/DWARFUnit.cpp


Index: llvm/lib/DebugInfo/DWARF/DWARFUnit.cpp
===================================================================
--- llvm/lib/DebugInfo/DWARF/DWARFUnit.cpp
+++ llvm/lib/DebugInfo/DWARF/DWARFUnit.cpp
@@ -192,7 +192,7 @@
 
 Optional<object::SectionedAddress>
 DWARFUnit::getAddrOffsetSectionItem(uint32_t Index) const {
-  if (IsDWO) {
+  if (IsDWO && !AddrOffsetSectionBase) {
     auto R = Context.info_section_units();
     // Surprising if a DWO file has more than one skeleton unit in it - this
     // probably shouldn't be valid, but if a use case is found, here's where to


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