1 # Expect script for common symbol override.
3 # Copyright (C) 2011-2019 Free Software Foundation, Inc.
5 # This file is part of the GNU Binutils.
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.
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.
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,
24 # Written by Maciej W. Rozycki <macro@codesourcery.com>
27 # This test is for ELF shared-library targets.
28 if { ![is_elf_format] || ![check_shared_lib_support] } {
32 # This target requires extra GAS options when building code for shared
35 if [istarget "tic6x-*-*"] {
36 append AFLAGS_PIC " -mpic -mpid=near"
38 # This target requires a non-default emulation for successful shared
39 # library/executable builds.
41 if [istarget "tic6x-*-*"] {
42 append LFLAGS " -melf32_tic6x_le"
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"
51 set testname "Common symbol override test"
53 # Define a global symbol.
54 run_ld_link_tests [list \
56 "$testname (auxiliary shared object build)" \
57 "$LFLAGS -shared" "" \
61 { readelf -s comm-data1.sd } \
67 # Set the pointer size according to the ELF flavor.
69 if [is_elf64 "tmpdir/libcomm-data.so"] {
70 append AFLAGS " --defsym ELF64=1"
72 # HPUX targets use a different .comm syntax.
73 if [istarget "*-*-hpux*"] {
74 append AFLAGS " --defsym HPUX=1"
77 # bfin does not currently support copy relocs.
78 setup_xfail "bfin-*-*"
80 setup_xfail "arm*-*-*" "ld/13802"
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-*-*]]
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 \
94 "$LFLAGS -T comm-data2.ld -Ltmpdir -lcomm-data" "" \
99 [expr { $copy_reloc ? "comm-data2r.sd" : "comm-data2.sd"}]] \
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"}]]] \
110 { comm-data3a.s comm-data3b.s } \
112 { readelf -s comm-data3.sd } \
120 { comm-data3b.s comm-data3a.s } \
122 { readelf -s comm-data3.sd } \