1*56bb7041Schristos# Expect script for symbol export classes, MIPS variation. 2*56bb7041Schristos# 3*56bb7041Schristos# Copyright (C) 2012-2020 Free Software Foundation, Inc. 4*56bb7041Schristos# 5*56bb7041Schristos# This file is part of the GNU Binutils. 6*56bb7041Schristos# 7*56bb7041Schristos# This program is free software; you can redistribute it and/or modify 8*56bb7041Schristos# it under the terms of the GNU General Public License as published by 9*56bb7041Schristos# the Free Software Foundation; either version 3 of the License, or 10*56bb7041Schristos# (at your option) any later version. 11*56bb7041Schristos# 12*56bb7041Schristos# This program is distributed in the hope that it will be useful, 13*56bb7041Schristos# but WITHOUT ANY WARRANTY; without even the implied warranty of 14*56bb7041Schristos# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15*56bb7041Schristos# GNU General Public License for more details. 16*56bb7041Schristos# 17*56bb7041Schristos# You should have received a copy of the GNU General Public License 18*56bb7041Schristos# along with this program; if not, write to the Free Software 19*56bb7041Schristos# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, 20*56bb7041Schristos# MA 02110-1301, USA. 21*56bb7041Schristos# 22*56bb7041Schristos 23*56bb7041Schristos# 24*56bb7041Schristos# Written by Maciej W. Rozycki <macro@codesourcery.com> 25*56bb7041Schristos# 26*56bb7041Schristos 27*56bb7041Schristos# Exclude non-Linux targets; feel free to include your favorite one 28*56bb7041Schristos# if you like. 29*56bb7041Schristosif { ![istarget mips*-*-linux*] } { 30*56bb7041Schristos return 31*56bb7041Schristos} 32*56bb7041Schristos 33*56bb7041Schristosproc mips_export_class_test { abi flag emul } { 34*56bb7041Schristos 35*56bb7041Schristos set testname "MIPS $abi symbol export class test" 36*56bb7041Schristos 37*56bb7041Schristos set dump [string map {o32 32 n32 32 n64 64} $abi] 38*56bb7041Schristos 39*56bb7041Schristos set AFLAGS "$flag -EB" 40*56bb7041Schristos set LDFLAGS "-m$emul" 41*56bb7041Schristos 42*56bb7041Schristos # Build an auxiliary shared object with conflicting versioned symbol 43*56bb7041Schristos # definitions. 44*56bb7041Schristos run_ld_link_tests [list \ 45*56bb7041Schristos [list \ 46*56bb7041Schristos "$testname (auxiliary shared object)" \ 47*56bb7041Schristos "$LDFLAGS -shared -version-script ../ld-elf/export-class-lib.ver" "" \ 48*56bb7041Schristos "$AFLAGS" \ 49*56bb7041Schristos { ../ld-elf/export-class-lib.s } \ 50*56bb7041Schristos {} \ 51*56bb7041Schristos "mips-$abi-export-class-lib.so" \ 52*56bb7041Schristos ] \ 53*56bb7041Schristos ] 54*56bb7041Schristos 55*56bb7041Schristos # Build a static object that pulls symbol definitions. It has to come 56*56bb7041Schristos # first before the auxiliary shared object and other static objects on 57*56bb7041Schristos # the linker's command line and hence we need to build it separately. 58*56bb7041Schristos run_ld_link_tests [list \ 59*56bb7041Schristos [list \ 60*56bb7041Schristos "$testname (initial static object)" \ 61*56bb7041Schristos "$LDFLAGS -r" "" \ 62*56bb7041Schristos "$AFLAGS" \ 63*56bb7041Schristos { ../ld-elf/export-class-ref.s } \ 64*56bb7041Schristos {} \ 65*56bb7041Schristos "mips-$abi-export-class-ref-r.o" \ 66*56bb7041Schristos ] \ 67*56bb7041Schristos ] 68*56bb7041Schristos 69*56bb7041Schristos # Build static objects that satisfy symbol dependencies and preempt 70*56bb7041Schristos # shared-object symbol definitions, and link all the objects built into 71*56bb7041Schristos # the final shared object. The command-line order of objects linked is 72*56bb7041Schristos # important to make sure the linker correctly preempts versioned symbols 73*56bb7041Schristos # from the auxiliary shared object and is as follows: ref, lib, dep, def. 74*56bb7041Schristos # Get a dump to make sure symbol dependencies are resolved internally. 75*56bb7041Schristos run_ld_link_tests [list \ 76*56bb7041Schristos [list \ 77*56bb7041Schristos "$testname (final shared object)" \ 78*56bb7041Schristos "$LDFLAGS -shared -Tdata=0x12340000 tmpdir/mips-$abi-export-class-ref-r.o tmpdir/mips-$abi-export-class-lib.so" "" \ 79*56bb7041Schristos "$AFLAGS" \ 80*56bb7041Schristos { ../ld-elf/export-class-dep.s ../ld-elf/export-class-def.s } \ 81*56bb7041Schristos [list \ 82*56bb7041Schristos [list readelf -r mips-$dump-export-class.rd] \ 83*56bb7041Schristos [list readelf "-x .data" mips-$dump-export-class.xd] \ 84*56bb7041Schristos ] \ 85*56bb7041Schristos "mips-$abi-export-class.so" \ 86*56bb7041Schristos ] \ 87*56bb7041Schristos ] 88*56bb7041Schristos} 89*56bb7041Schristos 90*56bb7041Schristos# For targets that default to a specific ISA (instead of "from-abi"), 91*56bb7041Schristos# the 64-bit -march option is required to override it, like for 92*56bb7041Schristos# "mipsisa32r2el-*-*". 93*56bb7041Schristosset abis { o32 -32 elf32btsmip n32 "-n32 -march=mips3" elf32btsmipn32 n64 "-64 -march=mips3" elf64btsmip } 94*56bb7041Schristosforeach { abi flag emul } $abis { 95*56bb7041Schristos mips_export_class_test $abi $flag $emul 96*56bb7041Schristos} 97