PR10622 Search for extern $variables in symbol table.

* dwflpp.h (vardie_from_symtable): New method.
* dwflpp.cxx (vardie_from_symtable): New method.
  (literal_stmt_for_local): Use vardie_from_symtable when no location
  attribute and DW_AT_external.
* testsuite/buildok/xtime.stp: New testcase from PR10622.

1 files changed, 1 insertions, 0 deletions

diff --git a/dwflpp.h b/dwflpp.h
index 226b84d8..b3f71eb2 100644
--- a/dwflpp.h
+++ b/dwflpp.h
@@ -394,6 +394,7 @@ private:
   // Returns the call frame address operations for the given program counter.
   Dwarf_Op *get_cfa_ops (Dwarf_Addr pc);
 
+  Dwarf_Addr vardie_from_symtable(Dwarf_Die *vardie, Dwarf_Addr *addr);
 };
 
 #endif // DWFLPP_H