as(1)                                                       as(1)



     NAME
          as - common assembler

     SYNOPSIS
          as [-m] [-n] [-o objfile] [-R] [-V] filename

     DESCRIPTION
          The as command assembles filename.  The following flags may
          be specified in any order.

          -o objfile  Put the output of assembly in objfile.  By
                      default, the output filename is formed by
                      removing the .s suffix, if there is one, from
                      the input filename and appending a .o suffix.

          -n          Turn off long/short address optimization.  By
                      default, address optimization takes place.

          -m          Run the m4 macro pre-processor on the input to
                      the assembler.

          -R          Remove (unlink) the input file after assembly is
                      completed.  This flag option is off by default.

          -V          Write the version number of the assembler being
                      run on the standard error output.

     FILES
          /bin/as
          /usr/tmp/as[1-6]XXXXXX temporary files

     SEE ALSO
          ld(1), m4(1), nm(1), strip(1), a.out(4),
          ``as Reference'' in Oreo Programming Languages and Tools,
          Volume 1.

     WARNING
          If the -m (m4 macro pre-processor invocation) flag option is
          used, keywords for m4 cannot be used as symbols (variables,
          functions, labels) in the input file because m4 cannot
          determine which are assembler symbols and which are real m4
          macros (seem4(1)).

     BUGS
          Arithmetic expressions are permitted to have only one
          forward referenced symbol per expression.









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