Commit | Line | Data |
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7dc542b2 | 1 | # Test handling of weak undefined symbols |
aef6203b | 2 | # Copyright 2001, 2002, 2004 |
a2b64bed NC |
3 | # Free Software Foundation, Inc. |
4 | # | |
5 | # This file is free software; you can redistribute it and/or modify | |
6 | # it under the terms of the GNU General Public License as published by | |
7 | # the Free Software Foundation; either version 2 of the License, or | |
8 | # (at your option) any later version. | |
9 | # | |
10 | # This program is distributed in the hope that it will be useful, | |
11 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | # GNU General Public License for more details. | |
14 | # | |
15 | # You should have received a copy of the GNU General Public License | |
16 | # along with this program; if not, write to the Free Software | |
75be928b | 17 | # Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. |
7dc542b2 PB |
18 | |
19 | set testname "weak undefined symbols" | |
20 | ||
21 | # This test only works for ELF targets. It ought to work for some | |
22 | # a.out targets, but it doesn't. | |
23 | ||
24 | if { ![istarget *-*-sysv4*] \ | |
25 | && ![istarget *-*-unixware*] \ | |
26 | && ![istarget *-*-elf*] \ | |
27 | && ![istarget *-*-eabi*] \ | |
19c7c582 | 28 | && ![istarget hppa*64*-*-hpux*] \ |
7dc542b2 PB |
29 | && ![istarget *-*-linux*] \ |
30 | && ![istarget *-*-irix5*] \ | |
31 | && ![istarget *-*-irix6*] \ | |
977cdf5a | 32 | && ![is_pecoff_format] \ |
7dc542b2 | 33 | && ![istarget *-*-solaris2*] } then { |
977cdf5a | 34 | unsupported $testname |
7dc542b2 PB |
35 | return |
36 | } | |
37 | ||
38 | if { [istarget *-*-linux*aout*] \ | |
39 | || [istarget *-*-linux*oldld*] } { | |
977cdf5a | 40 | unsupported $testname |
7dc542b2 PB |
41 | return |
42 | } | |
43 | ||
977cdf5a NC |
44 | # Weak symbols are broken for non-i386 PE targets. |
45 | if {! [istarget i?86-*-*]} { | |
46 | setup_xfail *-*-pe* | |
47 | } | |
48 | ||
7dc542b2 PB |
49 | if {! [ld_assemble $as $srcdir/$subdir/weak-undef.s tmpdir/weak-undef.o]} then { |
50 | # It's OK if .weak doesn't work on this target. | |
51 | unresolved $testname | |
52 | return | |
53 | } | |
54 | ||
55 | # The linker should accept references to undefined weaks without error, | |
56 | # and resolve them to zero. | |
57 | ||
58 | set output_regexp \ | |
59 | ".*Contents of section .data:.*0000 00000000 11111111.*" | |
60 | ||
61 | if {! [ld_simple_link $ld tmpdir/weak-undef "$flags tmpdir/weak-undef.o -T $srcdir/$subdir/weak-undef.t"] } then { | |
62 | fail $testname | |
63 | } else { | |
64 | if {[which $objdump] == 0} then { | |
65 | unresolved $testname | |
66 | return | |
67 | } | |
68 | ||
69 | verbose -log "$objdump -s tmpdir/weak-undef" | |
70 | catch "exec $objdump -s tmpdir/weak-undef" exec_output | |
71 | set exec_output [prune_warnings $exec_output] | |
72 | verbose -log $exec_output | |
73 | ||
74 | if {[regexp $output_regexp $exec_output]} then { | |
75 | pass $testname | |
76 | } else { | |
77 | fail $testname | |
78 | } | |
79 | } |