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127 lines
3.5 KiB
Plaintext
127 lines
3.5 KiB
Plaintext
# Expect script for common symbol override.
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#
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# Copyright (C) 2011-2018 Free Software Foundation, Inc.
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#
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# This file is part of the GNU Binutils.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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# MA 02110-1301, USA.
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#
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#
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# Written by Maciej W. Rozycki <macro@codesourcery.com>
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#
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# This test is for ELF shared-library targets.
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if { ![is_elf_format] || ![check_shared_lib_support] } {
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return
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}
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# This target requires extra GAS options when building code for shared
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# libraries.
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set AFLAGS_PIC ""
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if [istarget "tic6x-*-*"] {
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append AFLAGS_PIC " -mpic -mpid=near"
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}
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# This target requires a non-default emulation for successful shared
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# library/executable builds.
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set LFLAGS ""
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if [istarget "tic6x-*-*"] {
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append LFLAGS " -melf32_tic6x_le"
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}
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# These targets do not default to linking with shared libraries.
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if { [istarget "mips*vr4100*-*-elf*"] \
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|| [istarget "mips*vr4300*-*-elf*"] \
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|| [istarget "mips*vr5000*-*-elf*"] } {
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append LFLAGS " -call_shared"
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}
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set testname "Common symbol override test"
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# Define a global symbol.
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run_ld_link_tests [list \
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[list \
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"$testname (auxiliary shared object build)" \
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"$LFLAGS -shared" "" \
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"$AFLAGS_PIC" \
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{ comm-data1.s } \
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{ \
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{ readelf -s comm-data1.sd } \
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} \
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"libcomm-data.so" \
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] \
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]
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# Set the pointer size according to the ELF flavor.
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set AFLAGS ""
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if [is_elf64 "tmpdir/libcomm-data.so"] {
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append AFLAGS " --defsym ELF64=1"
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}
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# HPUX targets use a different .comm syntax.
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if [istarget "*-*-hpux*"] {
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append AFLAGS " --defsym HPUX=1"
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}
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# bfin does not currently support copy relocs.
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setup_xfail "bfin-*-*"
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setup_xfail "arm*-*-*" "ld/13802"
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# List targets here that keep copy relocs rather than eliminating
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# them where possible in favour to dynamic relocs in the relevant
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# loadable sections; see also the "-z nocopyreloc" command-line
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# option and the ELIMINATE_COPY_RELOCS macro some backends use.
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set copy_reloc [expr [istarget mn10300-*-*] || [istarget vax-*-*]]
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# Verify that a common symbol has been converted to an undefined
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# reference to the global symbol of the same name defined above
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# and that the debug reference has been dropped.
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run_ld_link_tests [list \
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[list \
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"$testname" \
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"$LFLAGS -T comm-data2.ld -Ltmpdir -lcomm-data" "" \
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"$AFLAGS" \
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{ comm-data2.s } \
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[list \
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[list readelf -s \
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[expr { $copy_reloc ? "comm-data2r.sd" : "comm-data2.sd"}]] \
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[list readelf -r \
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[expr { $copy_reloc ? "comm-data2r.rd" : "comm-data2.rd"}]] \
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[list readelf "-x .debug_foo" \
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[expr { $copy_reloc ? "comm-data2r.xd" : "comm-data2.xd"}]]] \
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"comm-data" \
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] \
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[list \
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"$testname 3a" \
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"-static" "" \
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"" \
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{ comm-data3a.s comm-data3b.s } \
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{ \
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{ readelf -s comm-data3.sd } \
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} \
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"comm-data3a" \
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] \
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[list \
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"$testname 3b" \
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"-static" "" \
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"" \
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{ comm-data3b.s comm-data3a.s } \
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{ \
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{ readelf -s comm-data3.sd } \
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} \
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"comm-data3b" \
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] \
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]
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