1# Test weak symbols.
2# By Ian Lance Taylor, Cygnus Solutions.
3#   Copyright (C) 1999-2014 Free Software Foundation, Inc.
4#
5# This file is part of the GNU Binutils.
6#
7# This program is free software; you can redistribute it and/or modify
8# it under the terms of the GNU General Public License as published by
9# the Free Software Foundation; either version 3 of the License, or
10# (at your option) any later version.
11#
12# This program is distributed in the hope that it will be useful,
13# but WITHOUT ANY WARRANTY; without even the implied warranty of
14# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15# GNU General Public License for more details.
16#
17# You should have received a copy of the GNU General Public License
18# along with this program; if not, write to the Free Software
19# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
20# MA 02110-1301, USA.
21
22set testname "weak symbols"
23
24# This test only works for ELF targets and some PE targets.
25# It ought to work for some a.out targets, but it doesn't.
26if {! [is_elf_format] && ! [is_pecoff_format]} {
27    unsupported $testname
28    return
29}
30
31# Weak symbols are broken for most PE targets.
32if {! [istarget i?86-*-*] && ! [istarget sh-*-*]} {
33    setup_xfail *-*-pe*
34}
35
36# hppa64 is incredibly broken
37setup_xfail hppa64-*-*
38
39if {! [ld_assemble $as $srcdir/$subdir/weak1.s tmpdir/weak1.o]
40    || ! [ld_assemble $as $srcdir/$subdir/weak2.s tmpdir/weak2.o]} then {
41    # It's OK if .weak doesn't work on this target.
42    unresolved $testname
43    return
44}
45
46global LDFLAGS
47set saved_LDFLAGS "$LDFLAGS"
48if [istarget "x86_64-*-mingw*"] then {
49  set LDFLAGS "$LDFLAGS --image-base 0"
50}
51
52set weak_regexp_big \
53".*Contents of section .text:.*1000 00001008 0000200c 12121212 34343434.*Contents of section .data:.*2000 00001008 0000200c 56565656 78787878.*"
54
55set weak_regexp_little \
56".*Contents of section .text:.*1000 08100000 0c200000 12121212 34343434.*Contents of section .data:.*2000 08100000 0c200000 56565656 78787878.*"
57
58if {! [ld_simple_link $ld tmpdir/weak "$flags -T $srcdir/$subdir/weak.t tmpdir/weak1.o tmpdir/weak2.o"] } then {
59    fail $testname
60} else {
61    if {![is_remote host] && [which $objdump] == 0} then {
62	unresolved $testname
63	set LDFLAGS "$saved_LDFLAGS"
64	return
65    }
66
67    set exec_output [run_host_cmd "$objdump" "-s tmpdir/weak"]
68    set exec_output [prune_warnings $exec_output]
69    verbose -log $exec_output
70
71    if {[regexp $weak_regexp_big $exec_output] \
72	|| [regexp $weak_regexp_little $exec_output] } then {
73	pass $testname
74    } else {
75	fail $testname
76    }
77}
78
79set LDFLAGS "$saved_LDFLAGS"
80