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# Define gas callbacks for dg.exp.

load_lib dg.exp

# The use of this function is still in a bit of flux.

# It should be theoretically possible to assemble, link, and run a file

# but we currently don't support that.  Assembler testcases aren't usually

# that elaborate anyway.  :-)

proc gas-dg-test { prog do_what tool_flags } {

    # FIXME: the gas testsuite doesn't define tmpdir.  Use outdir?

    set output_file "./a.out"

    switch $do_what {

        "preprocess" {

        }

        "assemble" {

        }

        "link" {

        }

        "run" {

            # This is the only place where we care if an executable was

            # created or not.  If it was, dg.exp will try to run it.

            remote_file host delete "$output_file"

        }

        default {

            perror "$do_what: not a valid dg-do keyword"

            return ""

        }

    }

    # gas_start prepends $srcdir/$subdir so we must remove it from PROG

    # if present.  First remove extraneous //'s.

    global srcdir subdir

    set dir "$srcdir/$subdir"

    regsub -all "//" $dir "/" dir

    regsub -all "//" $prog "/" prog

    if [string match "$dir/*" $prog] {

        # We use (?q) to treat $dir as a literal.

        regsub "(?q)$dir" $prog "" prog

    }

    # FIXME: This should be gas_start but it doesn't set comp_output.

    return [gas_run $prog $tool_flags ""]

}

proc gas-dg-prune { system text } {

    #send_user "Before:$text\n"

    regsub -all "(^|\n)\[^\n\]*: Assembler messages:\[^\n\]*" $text "" text

    regsub -all "(^|\n)\[^\n\]*: End of file not at end\[^\n\]*Newline inserted." $text "" text

    #send_user "After:$text\n"

    return $text

}