# Expect script for common symbol tests
#   Copyright 2003 Free Software Foundation, Inc.
#
# This file 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 2 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
# Written by H.J. Lu (hjl@gnu.org)
#

# Make sure that ld correctly handles common symbols in ELF.

# This test can only be run on ELF platforms.
# Square bracket expressions seem to confuse istarget.
if { ![istarget hppa*64*-*-hpux*] \
     && ![istarget *-*-gnu] \
     && ![istarget *-*-linux*] \
     && ![istarget *-*-elf] } {
    return
}

if { [istarget *-*-linux*aout*] \
     || [istarget *-*-linux*oldld*] } {
    return
}

proc dump_common1 { testname } {
    global exec_output

    send_log "readelf -s tmpdir/common1.o | grep foo\n"
    catch "exec readelf -s tmpdir/common1.o | grep foo" exec_output
    if { ![regexp "(\[ 	\]*)(\[0-9\]+):(\[ 	\]*)(\[0\]*)80(\[ 	\]+)4(\[ 	\]+)OBJECT(\[ 	\]+)GLOBAL(\[ 	\]+)DEFAULT(\[ 	\]+)COM(\[ 	\]+)_?foo2" $exec_output]
 	 || ![regexp "(\[ 	\]*)(\[0-9\]+):(\[ 	\]*)(\[0-9\]+)(\[ 	\]+)21(\[ 	\]+)OBJECT(\[ 	\]+)GLOBAL(\[ 	\]+)DEFAULT(\[ 	\]+)(\[0-9\]+)(\[ 	\]+)_?foo1" $exec_output] } {
	send_log "$exec_output\n"
	verbose $exec_output
	fail $testname
	return 0
    }

    return 1
}

set test1 "size/aligment change of common symbols"
if { ![ld_compile "$CC $CFLAGS" $srcdir/$subdir/common1a.c tmpdir/common1a.o]
    || ![ld_compile "$CC $CFLAGS" $srcdir/$subdir/common1b.c tmpdir/common1b.o] } {
    unresolved $test1
    return
}

global ld
global link_output

if { [ld_simple_link $ld tmpdir/common1.o "-r tmpdir/common1a.o tmpdir/common1b.o"] } {
    unresolved "$test1 (warning 1)"
    return
}

if { ![regexp "Warning: alignment (\[0-9\]+) of symbol \`_?foo1\' in tmpdir/common1b.o is smaller than 64 in tmpdir/common1a.o" $link_output]
     || ![regexp "Warning: size of symbol \`_?foo1\' changed from 2 in tmpdir/common1a.o to 21 in tmpdir/common1b.o" $link_output] } {
    fail "$test1 (warning 1)"
} else {
    pass "$test1 (warning 1)"
}

if { [dump_common1 "$test1 (change 1)"] } {
    pass "$test1 (change 1)"
}

if { [ld_simple_link $ld tmpdir/common1.o "-r tmpdir/common1b.o tmpdir/common1a.o"] } {
    unresolved "$test1 (warning 2)"
    return
}

if { ![regexp "Warning: alignment (\[0-9\]+) of symbol \`_?foo1\' in tmpdir/common1b.o is smaller than 64 in tmpdir/common1a.o" $link_output] } {
    fail "$test1 (warning 2)"
} else {
    pass "$test1 (warning 2)"
}

if { [dump_common1 "$test1 (change 2)"] } {
    pass "$test1 (change 2)"
}
