[DWARF parser] Refactor fetching DIE address ranges.
Add a helper method to get address ranges specified in a DIE
(either by DW_AT_low_pc/DW_AT_high_pc, or by DW_AT_ranges). Use it
to untangle and simplify the code.
No functionality change.
llvm-svn: 206624
diff --git a/llvm/lib/DebugInfo/DWARFDebugRangeList.cpp b/llvm/lib/DebugInfo/DWARFDebugRangeList.cpp
index aa2a2be..07b23b3 100644
--- a/llvm/lib/DebugInfo/DWARFDebugRangeList.cpp
+++ b/llvm/lib/DebugInfo/DWARFDebugRangeList.cpp
@@ -54,13 +54,16 @@
OS << format("%08x <End of list>\n", Offset);
}
-bool DWARFDebugRangeList::containsAddress(uint64_t BaseAddress,
- uint64_t Address) const {
+DWARFAddressRangesVector
+DWARFDebugRangeList::getAbsoluteRanges(uint64_t BaseAddress) const {
+ DWARFAddressRangesVector Res;
for (const RangeListEntry &RLE : Entries) {
- if (RLE.isBaseAddressSelectionEntry(AddressSize))
+ if (RLE.isBaseAddressSelectionEntry(AddressSize)) {
BaseAddress = RLE.EndAddress;
- else if (RLE.containsAddress(BaseAddress, Address))
- return true;
+ } else {
+ Res.push_back(std::make_pair(BaseAddress + RLE.StartAddress,
+ BaseAddress + RLE.EndAddress));
+ }
}
- return false;
+ return Res;
}