# Expect script for common symbol override, MIPS variation. # # Copyright (C) 2011-2014 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 # # This test is for MIPS shared-library targets. if { ![istarget mips*-*-*] || ![is_elf_format] || ![check_shared_lib_support] } { return } proc mips_comm_data_test { abi flag emul reloc } { set testname "MIPS $abi/$reloc common symbol override test" # There's no "-z copyreloc" option, deal with it. set ZFLAG [string map [list copyreloc "" nocopyreloc "-z $reloc"] $reloc] set AFLAGS "$flag -EB" set LDFLAGS "-m$emul" # Define a global symbol. run_ld_link_tests [list \ [list \ "$testname (auxiliary shared object build)" \ "$LDFLAGS -shared" "" \ "$AFLAGS -call_shared" \ { ../ld-elf/comm-data1.s } \ { \ { readelf -s ../ld-elf/comm-data1.sd } \ } \ "libmips-$abi-$reloc-comm-data.so" \ ] \ ] # Set the pointer size according to the ABI. if { $abi == "n64" } { append AFLAGS " --defsym ELF64=1" } # Verify that a common symbol has been converted to an undefined # reference to the global symbol of the same name defined above # and that the debug reference has been dropped. run_ld_link_tests [list \ [list \ "$testname" \ "$LDFLAGS $ZFLAG -T ../ld-elf/comm-data2.ld -Ltmpdir -lmips-$abi-$reloc-comm-data" "" \ "$AFLAGS -call_nonpic" \ { ../ld-elf/comm-data2.s } \ { \ { readelf -s ../ld-elf/comm-data2.sd } \ { readelf -r ../ld-elf/comm-data2.rd } \ { readelf "-x .debug_foo" ../ld-elf/comm-data2.xd } \ } \ "mips-$abi-$reloc-comm-data" \ ] \ ] } # For targets that default to a specific ISA (instead of "from-abi"), # the 64-bit -march option is required to override it, like for # "mipsisa32r2el-*-*". set abis { o32 -32 elf32btsmip n32 "-n32 -march=mips3" elf32btsmipn32 n64 "-64 -march=mips3" elf64btsmip } set relocs { copyreloc nocopyreloc } foreach { abi flag emul } $abis { foreach reloc $relocs { mips_comm_data_test $abi $flag $emul $reloc } }