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74d44110 MR |
1 | # Expect script for common symbol override. |
2 | # | |
219d1afa | 3 | # Copyright (C) 2011-2018 Free Software Foundation, Inc. |
74d44110 MR |
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 | # | |
22 | ||
23 | # | |
24 | # Written by Maciej W. Rozycki <macro@codesourcery.com> | |
25 | # | |
26 | ||
fe9cd7ab MR |
27 | # This test is for ELF shared-library targets. |
28 | if { ![is_elf_format] || ![check_shared_lib_support] } { | |
74d44110 MR |
29 | return |
30 | } | |
31 | ||
fe9cd7ab MR |
32 | # This target requires extra GAS options when building code for shared |
33 | # libraries. | |
34 | set AFLAGS_PIC "" | |
35 | if [istarget "tic6x-*-*"] { | |
36 | append AFLAGS_PIC " -mpic -mpid=near" | |
37 | } | |
38 | # This target requires a non-default emulation for successful shared | |
39 | # library/executable builds. | |
40 | set LFLAGS "" | |
41 | if [istarget "tic6x-*-*"] { | |
42 | append LFLAGS " -melf32_tic6x_le" | |
74d44110 | 43 | } |
8988502d MR |
44 | # These targets do not default to linking with shared libraries. |
45 | if { [istarget "mips*vr4100*-*-elf*"] \ | |
46 | || [istarget "mips*vr4300*-*-elf*"] \ | |
47 | || [istarget "mips*vr5000*-*-elf*"] } { | |
48 | append LFLAGS " -call_shared" | |
49 | } | |
74d44110 MR |
50 | |
51 | set testname "Common symbol override test" | |
52 | ||
53 | # Define a global symbol. | |
54 | run_ld_link_tests [list \ | |
55 | [list \ | |
56 | "$testname (auxiliary shared object build)" \ | |
fe9cd7ab MR |
57 | "$LFLAGS -shared" "" \ |
58 | "$AFLAGS_PIC" \ | |
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59 | { comm-data1.s } \ |
60 | { \ | |
61 | { readelf -s comm-data1.sd } \ | |
62 | } \ | |
63 | "libcomm-data.so" \ | |
64 | ] \ | |
65 | ] | |
66 | ||
67 | # Set the pointer size according to the ELF flavor. | |
68 | set AFLAGS "" | |
69 | if [is_elf64 "tmpdir/libcomm-data.so"] { | |
70 | append AFLAGS " --defsym ELF64=1" | |
71 | } | |
fe9cd7ab MR |
72 | # HPUX targets use a different .comm syntax. |
73 | if [istarget "*-*-hpux*"] { | |
74 | append AFLAGS " --defsym HPUX=1" | |
75 | } | |
74d44110 | 76 | |
1b857aee NC |
77 | # bfin does not currently support copy relocs. |
78 | setup_xfail "bfin-*-*" | |
79 | ||
e0799d78 RM |
80 | setup_xfail "arm*-*-*" "ld/13802" |
81 | ||
fe9cd7ab MR |
82 | # List targets here that keep copy relocs rather than eliminating |
83 | # them where possible in favour to dynamic relocs in the relevant | |
84 | # loadable sections; see also the "-z nocopyreloc" command-line | |
85 | # option and the ELIMINATE_COPY_RELOCS macro some backends use. | |
86 | set copy_reloc [expr [istarget mn10300-*-*] || [istarget vax-*-*]] | |
87 | ||
74d44110 MR |
88 | # Verify that a common symbol has been converted to an undefined |
89 | # reference to the global symbol of the same name defined above | |
90 | # and that the debug reference has been dropped. | |
91 | run_ld_link_tests [list \ | |
92 | [list \ | |
93 | "$testname" \ | |
fe9cd7ab | 94 | "$LFLAGS -T comm-data2.ld -Ltmpdir -lcomm-data" "" \ |
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95 | "$AFLAGS" \ |
96 | { comm-data2.s } \ | |
fe9cd7ab MR |
97 | [list \ |
98 | [list readelf -s \ | |
99 | [expr { $copy_reloc ? "comm-data2r.sd" : "comm-data2.sd"}]] \ | |
100 | [list readelf -r \ | |
101 | [expr { $copy_reloc ? "comm-data2r.rd" : "comm-data2.rd"}]] \ | |
102 | [list readelf "-x .debug_foo" \ | |
103 | [expr { $copy_reloc ? "comm-data2r.xd" : "comm-data2.xd"}]]] \ | |
74d44110 MR |
104 | "comm-data" \ |
105 | ] \ | |
37a9e49a L |
106 | [list \ |
107 | "$testname 3a" \ | |
897aea50 | 108 | "-static" "" \ |
37a9e49a L |
109 | "" \ |
110 | { comm-data3a.s comm-data3b.s } \ | |
111 | { \ | |
112 | { readelf -s comm-data3.sd } \ | |
113 | } \ | |
114 | "comm-data3a" \ | |
115 | ] \ | |
116 | [list \ | |
117 | "$testname 3b" \ | |
897aea50 | 118 | "-static" "" \ |
37a9e49a L |
119 | "" \ |
120 | { comm-data3b.s comm-data3a.s } \ | |
121 | { \ | |
122 | { readelf -s comm-data3.sd } \ | |
123 | } \ | |
124 | "comm-data3b" \ | |
125 | ] \ | |
74d44110 | 126 | ] |