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# Expect script for export table in executables tests

#   Copyright 2003, 2007

#   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.

#

# Written by Fabrizio Gennari 

# Based on auto-import.exp  by Ralf.Habacker@freenet.de

#

# This test can only be run on a cygwin platforms.

if {![istarget *-pc-cygwin]} {

    verbose "Not a cygwin target."

    return

}

# No compiler, no test.

if { [which $CC] == 0 } {

    untested "Exe export test (no compiler available)"

    return

}

proc run_dlltool { lib_file def_file } {

    global dlltool

    global base_dir

    global as

    if ![info exists dlltool] then {

        set dlltool [findfile $base_dir/../binutils/dlltool]

    }

    if { [which $dlltool] == 0 } then {

        verbose "$dlltool does not exist"

        return 0

    }

    verbose "$dlltool --as $as -l $lib_file -d $def_file"

    catch "exec $dlltool --as $as -l $lib_file -d $def_file" dlltool_output

    #remove empty lines

    regsub -all "\n+" $dlltool_output "" dlltool_output

    if [string match "" $dlltool_output] then {

        return 1

    }

    verbose -log "$dlltool_output"

    return 0

}

# ld_special_link

#       A copy of ld_simple_link (from ld-lib.exp) with extra

#       code to strip warnings about creating libraries.

#

proc ld_special_link { ld target objects } {

    global host_triplet

    global link_output

    if { [which $ld] == 0 } then {

        verbose "$ld does not exist"

        return 0

    }

    if [is_endian_output_format $objects] then {

        set flags [big_or_little_endian]

    } else {

        set flags ""

    }

    verbose -log "$ld $flags -o $target $objects"

    catch "exec $ld $flags -o $target $objects" link_output

    set exec_output [prune_warnings $link_output]

    # We don't care if we get a warning about a non-existent start

    # symbol, since the default linker script might use ENTRY.

    regsub -all "(^|\n)(\[^\n\]*: warning: cannot find entry symbol\[^\n\]*\n?)" $exec_output "\\1" exec_output

    # We don't care if we get a message about creating a library file.

    regsub -all "(^|\n)(Creating library file\[^\n\]*\n?)" $exec_output "\\1" exec_output

    if [string match "" $exec_output] then {

        return 1

    }

    verbose -log "$exec_output"

    return 0

}

set tmpdir tmpdir

# Set some libs needed for cygwin.

set MYLDFLAGS "-Wl,--out-implib,$tmpdir/testexe.lib -nostartfiles -nostdlib"

# Build an export library for testdll

if ![run_dlltool $tmpdir/testdll.lib $srcdir/$subdir/testdll.def] {

    fail "building an export library for the shared lib"

    return

}

# Compile the executable.

if ![ld_compile "$CC $CFLAGS" $srcdir/$subdir/testexe.c $tmpdir/testexe.o] {

    fail "compiling executable"

    return

}

if ![ld_special_link "$CC $LDFLAGS $MYLDFLAGS -e _testexe_main@16" $tmpdir/testexe.exe "$tmpdir/testexe.o $srcdir/$subdir/testexe.def $tmpdir/testdll.lib"] {

    fail "linking executable"

    return

}

# Compile the dll.

if ![ld_compile "$CC $CFLAGS" $srcdir/$subdir/testdll.c $tmpdir/testdll.o] {

    fail "compiling shared lib"

    return

}

if ![ld_special_link "$CC $LDFLAGS -nostartfiles -nostdlib -e _testdll_main@12" $tmpdir/testdll.dll "$tmpdir/testdll.o $srcdir/$subdir/testdll.def $tmpdir/testexe.lib"] {

    fail "linking shared lib"

    return

}

# This is as far as we can go with a cross-compiler

if ![isnative] then {

    verbose "Not running natively, so cannot execute binary"

    pass "Compile and link and executable with an export table"

    return

}

verbose -log "executing $tmpdir/testexe.exe"

catch "exec $tmpdir/testexe.exe" prog_output

set expected ""

if [string match $expected $prog_output] then {

    pass "export table in executable"

} else {

    verbose $prog_output

    fail "Output does not match expected string $expected"

}