[DebugInfo] Use absolute addresses in location lists
Rather than relying on the user to do the address calculating in
DW_AT_location we should just dump the absolute address.
rdar://problem/38513870
Differential revision: https://reviews.llvm.org/D47152
llvm-svn: 332873
diff --git a/llvm/lib/DebugInfo/DWARF/DWARFUnit.cpp b/llvm/lib/DebugInfo/DWARF/DWARFUnit.cpp
index 963834e..78d267d 100644
--- a/llvm/lib/DebugInfo/DWARF/DWARFUnit.cpp
+++ b/llvm/lib/DebugInfo/DWARF/DWARFUnit.cpp
@@ -269,10 +269,6 @@
// If CU DIE was just parsed, copy several attribute values from it.
if (!HasCUDie) {
DWARFDie UnitDie = getUnitDIE();
- Optional<DWARFFormValue> PC = UnitDie.find({DW_AT_low_pc, DW_AT_entry_pc});
- if (Optional<uint64_t> Addr = toAddress(PC))
- setBaseAddress({*Addr, PC->getSectionIndex()});
-
if (!isDWO) {
assert(AddrOffsetSectionBase == 0);
assert(RangeSectionBase == 0);
@@ -578,6 +574,18 @@
return Abbrevs;
}
+llvm::Optional<BaseAddress> DWARFUnit::getBaseAddress() {
+ if (BaseAddr)
+ return BaseAddr;
+
+ DWARFDie UnitDie = getUnitDIE();
+ Optional<DWARFFormValue> PC = UnitDie.find({DW_AT_low_pc, DW_AT_entry_pc});
+ if (Optional<uint64_t> Addr = toAddress(PC))
+ BaseAddr = {*Addr, PC->getSectionIndex()};
+
+ return BaseAddr;
+}
+
Optional<StrOffsetsContributionDescriptor>
StrOffsetsContributionDescriptor::validateContributionSize(
DWARFDataExtractor &DA) {