* loc2c.c (struct location): New member `emit_address'.
(alloc_location): Initialize new member from ORIGIN.
(location_from_address): New argument EMIT_ADDRESS.
Initialize new member.
(translate): Use LOC->emit_address hook to format DW_OP_addr constant.
(location_relative): Die if DW_OP_addr is used.
(default_emit_address): New function.
(c_translate_location): New argument EMIT_ADDRESS, pass it down.
Use default_emit_address if argument is null.
* loc2c.h: Update decl.
* loc2c-test.c (handle_variable): Update caller.
* tapsets.cxx (dwflpp::literal_stmt_for_local): Update caller.
(dwflpp::loc2c_emit_address): New static method.