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# Expect script for common symbol tests
# Copyright 2003, 2005, 2006 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., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, 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.
if ![is_elf_format] {
return
}
set test1 "size/aligment change of common symbols"
set test1w1 "$test1 (warning 1)"
set test1w2 "$test1 (warning 2)"
set test1c1 "$test1 (change 1)"
set test1c2 "$test1 (change 2)"
if { [which $CC] == 0 } {
untested $test1w1
untested $test1w2
untested $test1c1
untested $test1c2
return
}
if { [istarget score-*-*] } {
untested $test1w1
untested $test1w2
untested $test1c1
untested $test1c2
return
}
proc dump_common1 { testname } {
global exec_output
global READELF
send_log "$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(\[ \]+)(PRC\\\[0xff03\\\]|COM|SCOM)(\[ \]+)_?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 $testname
return 0
}
return 1
}
if { ![ld_compile "$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 $test1w1
return
}
# This test fails on MIPS because the backend sets type_change_ok.
# The size change warning is suppressed.
if {[istarget mips*-*-*]} {
if { ![regexp "Warning: alignment (\[0-9\]+) of symbol \`_?foo1\' in tmpdir/common1b.o is smaller than 64 in tmpdir/common1a.o" $link_output] } {
fail $test1w1
} else {
pass $test1w1
}
} else {
pass $test1w1
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 $test1w1
} else {
pass $test1w1
}
}
if { [dump_common1 $test1c1] } {
pass $test1c1
}
if { [ld_simple_link $ld tmpdir/common1.o "-r tmpdir/common1b.o tmpdir/common1a.o"] } {
unresolved $test1w2
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 $test1w2
} else {
pass $test1w2
}
if { [dump_common1 $test1c2] } {
pass $test1c2
}
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