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- # Expect script for common symbol override.
- #
- # Copyright (C) 2011-2022 Free Software Foundation, Inc.
- #
- # This file is part of the GNU Binutils.
- #
- # This program is free software; you can redistribute it and/or modify
- # it under the terms of the GNU General Public License as published by
- # the Free Software Foundation; either version 3 of the License, or
- # (at your option) any later version.
- #
- # This program is distributed in the hope that it will be useful,
- # but WITHOUT ANY WARRANTY; without even the implied warranty of
- # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- # GNU General Public License for more details.
- #
- # You should have received a copy of the GNU General Public License
- # along with this program; if not, write to the Free Software
- # Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
- # MA 02110-1301, USA.
- #
- #
- # Written by Maciej W. Rozycki <macro@codesourcery.com>
- #
- # This test is for ELF shared-library targets.
- if { ![is_elf_format] || ![check_shared_lib_support] } {
- return
- }
- # This target requires extra GAS options when building code for shared
- # libraries.
- set AFLAGS_PIC ""
- if [istarget "tic6x-*-*"] {
- append AFLAGS_PIC " -mpic -mpid=near"
- }
- # This target requires a non-default emulation for successful shared
- # library/executable builds.
- set LFLAGS ""
- if [istarget "tic6x-*-*"] {
- append LFLAGS " -melf32_tic6x_le"
- }
- # These targets do not default to linking with shared libraries.
- if { [istarget "mips*vr4100*-*-elf*"] \
- || [istarget "mips*vr4300*-*-elf*"] \
- || [istarget "mips*vr5000*-*-elf*"] } {
- append LFLAGS " -call_shared"
- }
- # Set the pointer size according to the ELF flavor.
- set AFLAGS ""
- if [is_elf64 "tmpdir/libcomm-data.so"] {
- append AFLAGS " --defsym ELF64=1"
- }
- # HPUX targets use a different .comm syntax.
- if [istarget "*-*-hpux*"] {
- append AFLAGS " --defsym HPUX=1"
- }
- set testname "Common symbol override test"
- # Define a global symbol.
- run_ld_link_tests [list \
- [list \
- "$testname (auxiliary shared object build)" \
- "$LFLAGS -shared" "" \
- "$AFLAGS_PIC" \
- { comm-data1.s } \
- { \
- { readelf -s comm-data1.sd } \
- } \
- "libcomm-data.so" \
- ] \
- [list \
- "libpr26580-1.so" \
- "$LFLAGS -shared" "" \
- "$AFLAGS_PIC $AFLAGS" \
- { pr26580-b.s } \
- { } \
- "libpr26580-1.so" \
- ] \
- ]
- # bfin-elf does not currently support copy relocs.
- setup_xfail "bfin-*-*"
- clear_xfail "bfin-*-linux-uclibc*"
- # Verify that a common symbol has been converted to an undefined
- # reference to the global symbol of the same name defined above
- # and that the debug reference has been dropped.
- run_ld_link_tests [list \
- [list \
- "$testname" \
- "$LFLAGS -T comm-data2.ld -Ltmpdir -lcomm-data" "" \
- "$AFLAGS" \
- { comm-data2.s } \
- [list \
- [list readelf -s comm-data2.sd] \
- [list readelf -r comm-data2.rd] \
- [list readelf "-x .debug_foo" comm-data2.xd]] \
- "comm-data" \
- ] \
- [list \
- "$testname 3a" \
- "-static" "" \
- "" \
- { comm-data3a.s comm-data3b.s } \
- { \
- { readelf -s comm-data3.sd } \
- } \
- "comm-data3a" \
- ] \
- [list \
- "$testname 3b" \
- "-static" "" \
- "" \
- { comm-data3b.s comm-data3a.s } \
- { \
- { readelf -s comm-data3.sd } \
- } \
- "comm-data3b" \
- ] \
- [list \
- "pr26580-1" \
- "$LFLAGS --as-needed -Ltmpdir -lpr26580-1" "" \
- "$AFLAGS" \
- { pr26580-a.s } \
- { {readelf -s pr26580-1.sd} } \
- "pr26580-1" \
- ] \
- [list \
- "pr26580-2" \
- "$LFLAGS --no-as-needed -Ltmpdir -lpr26580-1" "" \
- "$AFLAGS" \
- { pr26580-a.s } \
- { {readelf -s pr26580-2.sd} } \
- "pr26580-2" \
- ] \
- ]
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