.ident
This directive is used by some assemblers to place tags in object files. The
behavior of this directive varies depending on the target. When using the
a.out object file format, as simply accepts the directive for
source-file compatibility with existing assemblers, but does not emit anything
for it. When using COFF, comments are emitted to the .comment or
.rdata section, depending on the target. When using ELF, comments are
emitted to the .comment section.