| # Expect script for common symbol override. |
| # |
| # Copyright (C) 2011-2017 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" |
| } |
| |
| set testname "Common symbol override test" |
| |
| # Define a global symbol. |
| run_ld_link_tests [list \ |
| [list \ |
| "$testname (auxiliary shared object build)" \ |
| "$LFLAGS -shared" "" \ |
| "$AFLAGS_PIC" \ |
| { comm-data1.s } \ |
| { \ |
| { readelf -s comm-data1.sd } \ |
| } \ |
| "libcomm-data.so" \ |
| ] \ |
| ] |
| |
| # Set the pointer size according to the ELF flavor. |
| set AFLAGS "" |
| if [is_elf64 "tmpdir/libcomm-data.so"] { |
| append AFLAGS " --defsym ELF64=1" |
| } |
| # HPUX targets use a different .comm syntax. |
| if [istarget "*-*-hpux*"] { |
| append AFLAGS " --defsym HPUX=1" |
| } |
| |
| # bfin does not currently support copy relocs. |
| setup_xfail "bfin-*-*" |
| |
| setup_xfail "arm*-*-*" "ld/13802" |
| |
| # List targets here that keep copy relocs rather than eliminating |
| # them where possible in favour to dynamic relocs in the relevant |
| # loadable sections; see also the "-z nocopyreloc" command-line |
| # option and the ELIMINATE_COPY_RELOCS macro some backends use. |
| set copy_reloc [expr [istarget mn10300-*-*] || [istarget vax-*-*]] |
| |
| # Verify that a common symbol has been converted to an undefined |
| # reference to the global symbol of the same name defined above |
| # and that the debug reference has been dropped. |
| run_ld_link_tests [list \ |
| [list \ |
| "$testname" \ |
| "$LFLAGS -T comm-data2.ld -Ltmpdir -lcomm-data" "" \ |
| "$AFLAGS" \ |
| { comm-data2.s } \ |
| [list \ |
| [list readelf -s \ |
| [expr { $copy_reloc ? "comm-data2r.sd" : "comm-data2.sd"}]] \ |
| [list readelf -r \ |
| [expr { $copy_reloc ? "comm-data2r.rd" : "comm-data2.rd"}]] \ |
| [list readelf "-x .debug_foo" \ |
| [expr { $copy_reloc ? "comm-data2r.xd" : "comm-data2.xd"}]]] \ |
| "comm-data" \ |
| ] \ |
| [list \ |
| "$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" \ |
| ] \ |
| ] |