as: Literal Prefix Directive
9.54.5.6 literal_prefix
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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. literal 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 (
Command-line Options Xtensa Options.).