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# Expect script for common symbol override, MIPS variation.
#
# Copyright (C) 2011-2016 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 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
}
}
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