Lookup DIE location with dwarf_offdie when parsing ranges

dyninst · Nov 10, 2023 · d4d42a4 · d4d42a4
1 parent a1fab34
commit d4d42a4
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/dwarf/h/dwarf_cu_info.h b/dwarf/h/dwarf_cu_info.h
@@ -97,6 +97,12 @@ namespace Dyninst { namespace DwarfDyninst {
    *
    */
   inline Dwarf_Die *find_cu(Dwarf *dbg, Dwarf_Addr addr, Dwarf_Die *result) {
+    // The .debug_info DIE offset is the starting address for modules.
+    if(dwarf_offdie(dbg, addr, result)) {
+      return result;
+    }
+
+    // Search for the given address (assumes .debug_aranges is present)
     Dwarf_Die cuDIE{};
     if (dwarf_addrdie(dbg, addr, &cuDIE)) {
       *result = cuDIE;