vendor/llvm-project/llvmorg-15-init-16436-g18a6ab5b8d1f

1 files changed, 11 insertions, 0 deletions

diff --git a/lldb/source/Plugins/SymbolFile/DWARF/DWARFUnit.cpp b/lldb/source/Plugins/SymbolFile/DWARF/DWARFUnit.cpp
index 903cd2e38f76..7b4a5d8eca3e 100644
--- a/lldb/source/Plugins/SymbolFile/DWARF/DWARFUnit.cpp
+++ b/lldb/source/Plugins/SymbolFile/DWARF/DWARFUnit.cpp
@@ -579,6 +579,17 @@ void DWARFUnit::SetStrOffsetsBase(dw_offset_t str_offsets_base) {
   m_str_offsets_base = str_offsets_base;
 }
 
+dw_addr_t DWARFUnit::ReadAddressFromDebugAddrSection(uint32_t index) const {
+  uint32_t index_size = GetAddressByteSize();
+  dw_offset_t addr_base = GetAddrBase();
+  dw_addr_t offset = addr_base + index * index_size;
+  const DWARFDataExtractor &data =
+      m_dwarf.GetDWARFContext().getOrLoadAddrData();
+  if (data.ValidOffsetForDataOfSize(offset, index_size))
+    return data.GetMaxU64_unchecked(&offset, index_size);
+  return LLDB_INVALID_ADDRESS;
+}
+
 // It may be called only with m_die_array_mutex held R/W.
 void DWARFUnit::ClearDIEsRWLocked() {
   m_die_array.clear();