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# Expect script for ld-gc tests

#   Copyright 2008

#   Free Software Foundation, Inc.

#

# This file is part of the GNU Binutils.

#

# This program is free software; you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation; either version 3 of the License, or

# (at your option) any later version.

#

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program; if not, write to the Free Software

# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,

# MA 02110-1301, USA.

# These tests require --gc-sections

if ![check_gc_sections_available] {

    return

}

set cflags "-ffunction-sections -fdata-sections"

set objfile "tmpdir/gc.o"

if { [is_remote host] || [which $CC] != 0 } {

    ld_compile "$CC -c $CFLAGS $cflags" $srcdir/$subdir/gc.c $objfile

}

proc test_gc { testname filename linker ldflags} {

    global nm

    global srcdir

    global subdir

    global nm_output

    global objfile

    if ![file readable $objfile ] {

        untested $testname

        return

    }

    set outfile "tmpdir/$filename"

    if ![ld_simple_link $linker $outfile "-L$srcdir/$subdir $ldflags $objfile"] {

            fail $testname

        return

    }

    if ![ld_nm $nm "" $outfile] {

        unresolved $testname

        return

    }

    if {![info exists nm_output(used_func)] \

            || ![info exists nm_output(used_var)]} {

        send_log "used sections do not exist\n"

        verbose "used sections do not exist"

        fail $testname

        return

    }

    if {[info exists nm_output(unused_func)] \

            || [info exists nm_output(unused_var)]} {

        send_log "unused section still here\n"

        verbose "unused section still here"

        fail $testname

        return

    }

    pass $testname

}

test_gc "Check --gc-section" "gcexe" $ld "--gc-sections -e main"

test_gc "Check --gc-section/-q" "gcrexe" $ld "--gc-sections -q -e main"

test_gc "Check --gc-section/-r/-e" "gcrel" $ld "-r --gc-sections -e main"

test_gc "Check --gc-section/-r/-u" "gcrel" $ld "-r --gc-sections -u used_func"

run_dump_test "noent"