as: Literal Prefix Directive

 
 9.54.5.6 literal_prefix
 .......................
 
 The 'literal_prefix' directive allows you to override the default
 literal section names, which are derived from the names of the sections
 where the literals are defined.
 
          .begin literal_prefix [NAME]
          .end literal_prefix
 
    For literals defined within the delimited region, the literal section
 names are derived from the NAME argument instead of the name of the
 current section.  The rules used to derive the literal section names do
 not change.  Seeliteral Literal Directive.  If the NAME argument is
 omitted, the literal sections revert to the defaults.  This directive
 has no effect when using the '--text-section-literals' option (See
 Command-line Options Xtensa Options.).