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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
}