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# Expect script for common symbol override, MIPS variation.
#
# Copyright (C) 2011-2018 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
}
set has_o32abi [expr ![istarget *-*-openbsd*] \
&& ![istarget mips64*-ps2-elf*]]
set has_n32abi [expr [istarget *-img-elf*] \
|| [istarget *-mti-elf*] \
|| [istarget *-ps2-elf*] \
|| [istarget *-sde-elf*] \
|| [istarget *-*-freebsd*] \
|| [istarget *-*-irix6*] \
|| [istarget *-*-kfreebsd*-gnu] \
|| [istarget *-*-linux*]]
set has_n64abi [expr [istarget *-*-freebsd*] \
|| [istarget *-*-irix6*] \
|| [istarget *-*-kfreebsd*-gnu] \
|| [istarget *-*-linux*] \
|| [istarget *-*-netbsd*] \
|| [istarget *-*-openbsd*]]
if {[istarget *-img-elf*] \
|| [istarget *-mti-elf*] \
|| [istarget *-sde-elf*] \
|| [istarget *-*-netbsd*] \
|| [istarget *-*-linux*] \
|| [istarget *-*-openbsd*] \
|| [istarget *-*-sysv4*] } {
if [istarget *el-*-*] {
set abi_ldemul(o32) elf32ltsmip
set abi_ldemul(n32) elf32ltsmipn32
set abi_ldemul(n64) elf64ltsmip
} else {
set abi_ldemul(o32) elf32btsmip
set abi_ldemul(n32) elf32btsmipn32
set abi_ldemul(n64) elf64btsmip
}
} elseif { [istarget *-*-freebsd*] \
|| [istarget *-*-kfreebsd*-gnu] } {
if [istarget *el-*-*] {
set abi_ldemul(o32) elf32ltsmip_fbsd
set abi_ldemul(n32) elf32ltsmipn32_fbsd
set abi_ldemul(n64) elf64ltsmip_fbsd
} else {
set abi_ldemul(o32) elf32btsmip_fbsd
set abi_ldemul(n32) elf32btsmipn32_fbsd
set abi_ldemul(n64) elf64btsmip_fbsd
}
} elseif { [istarget *vr4100*-*-elf*] \
|| [istarget *vr4300*-*-elf*] \
|| [istarget *vr5000*-*-elf*] } {
if [istarget *el-*-*] {
set abi_ldemul(o32) elf32l4300
} else {
set abi_ldemul(o32) elf32b4300
}
} elseif { [istarget *-ps2-elf*] } {
set abi_ldemul(o32) elf32lr5900
set abi_ldemul(n32) elf32lr5900n32
} elseif { [istarget *-*-elf*] \
|| [istarget *-*-rtems*] } {
if [istarget *el-*-*] {
set abi_ldemul(o32) elf32elmip
} else {
set abi_ldemul(o32) elf32ebmip
}
} else {
if [istarget *el-*-*] {
set abi_ldemul(o32) elf32lsmip
set abi_ldemul(n32) elf32lmipn32
set abi_ldemul(n64) elf64lmip
} else {
set abi_ldemul(o32) elf32bsmip
set abi_ldemul(n32) elf32bmipn32
set abi_ldemul(n64) elf64bmip
}
}
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"
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 -call_shared $ZFLAG -T ../ld-elf/comm-data2.ld -Ltmpdir\
-lmips-$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 ""
if $has_o32abi {
lappend abis o32 -32 $abi_ldemul(o32)
}
if $has_n32abi {
lappend abis n32 "-n32 -march=mips3" $abi_ldemul(n32)
}
if $has_n64abi {
lappend abis n64 "-64 -march=mips3" $abi_ldemul(n64)
}
set relocs { copyreloc nocopyreloc }
foreach { abi flag emul } $abis {
foreach reloc $relocs {
mips_comm_data_test $abi $flag $emul $reloc
}
}
|
