# Expect script for symbol export classes, MIPS variation. # # Copyright (C) 2012-2020 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> # # Exclude non-Linux targets; feel free to include your favorite one # if you like. if { ![istarget mips*-*-linux*] } { return } proc mips_export_class_test { abi flag emul } { set testname "MIPS $abi symbol export class test" set dump [string map {o32 32 n32 32 n64 64} $abi] set AFLAGS "$flag -EB" set LDFLAGS "-m$emul" # Build an auxiliary shared object with conflicting versioned symbol # definitions. run_ld_link_tests [list \ [list \ "$testname (auxiliary shared object)" \ "$LDFLAGS -shared -version-script ../ld-elf/export-class-lib.ver" "" \ "$AFLAGS" \ { ../ld-elf/export-class-lib.s } \ {} \ "mips-$abi-export-class-lib.so" \ ] \ ] # Build a static object that pulls symbol definitions. It has to come # first before the auxiliary shared object and other static objects on # the linker's command line and hence we need to build it separately. run_ld_link_tests [list \ [list \ "$testname (initial static object)" \ "$LDFLAGS -r" "" \ "$AFLAGS" \ { ../ld-elf/export-class-ref.s } \ {} \ "mips-$abi-export-class-ref-r.o" \ ] \ ] # Build static objects that satisfy symbol dependencies and preempt # shared-object symbol definitions, and link all the objects built into # the final shared object. The command-line order of objects linked is # important to make sure the linker correctly preempts versioned symbols # from the auxiliary shared object and is as follows: ref, lib, dep, def. # Get a dump to make sure symbol dependencies are resolved internally. run_ld_link_tests [list \ [list \ "$testname (final shared object)" \ "$LDFLAGS -shared -Tdata=0x12340000 tmpdir/mips-$abi-export-class-ref-r.o tmpdir/mips-$abi-export-class-lib.so" "" \ "$AFLAGS" \ { ../ld-elf/export-class-dep.s ../ld-elf/export-class-def.s } \ [list \ [list readelf -r mips-$dump-export-class.rd] \ [list readelf "-x .data" mips-$dump-export-class.xd] \ ] \ "mips-$abi-export-class.so" \ ] \ ] } # 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 } foreach { abi flag emul } $abis { mips_export_class_test $abi $flag $emul } |