1 # Expect script for symbol export classes, MIPS variation. 2 # 3 # Copyright (C) 2012-2016 Free Software Foundation, Inc. 4 # 5 # This file is part of the GNU Binutils. 6 # 7 # This program is free software; you can redistribute it and/or modify 8 # it under the terms of the GNU General Public License as published by 9 # the Free Software Foundation; either version 3 of the License, or 10 # (at your option) any later version. 11 # 12 # This program is distributed in the hope that it will be useful, 13 # but WITHOUT ANY WARRANTY; without even the implied warranty of 14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 # GNU General Public License for more details. 16 # 17 # You should have received a copy of the GNU General Public License 18 # along with this program; if not, write to the Free Software 19 # Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, 20 # MA 02110-1301, USA. 21 # 22 23 # 24 # Written by Maciej W. Rozycki <macro (at) codesourcery.com> 25 # 26 27 # Exclude non-Linux targets; feel free to include your favorite one 28 # if you like. 29 if { ![istarget mips*-*-linux*] } { 30 return 31 } 32 33 proc mips_export_class_test { abi flag emul } { 34 35 set testname "MIPS $abi symbol export class test" 36 37 set dump [string map {o32 32 n32 32 n64 64} $abi] 38 39 set AFLAGS "$flag -EB" 40 set LDFLAGS "-m$emul" 41 42 # Build an auxiliary shared object with conflicting versioned symbol 43 # definitions. 44 run_ld_link_tests [list \ 45 [list \ 46 "$testname (auxiliary shared object)" \ 47 "$LDFLAGS -shared -version-script ../ld-elf/export-class-lib.ver" "" \ 48 "$AFLAGS" \ 49 { ../ld-elf/export-class-lib.s } \ 50 {} \ 51 "mips-$abi-export-class-lib.so" \ 52 ] \ 53 ] 54 55 # Build a static object that pulls symbol definitions. It has to come 56 # first before the auxiliary shared object and other static objects on 57 # the linker's command line and hence we need to build it separately. 58 run_ld_link_tests [list \ 59 [list \ 60 "$testname (initial static object)" \ 61 "$LDFLAGS -r" "" \ 62 "$AFLAGS" \ 63 { ../ld-elf/export-class-ref.s } \ 64 {} \ 65 "mips-$abi-export-class-ref-r.o" \ 66 ] \ 67 ] 68 69 # Build static objects that satisfy symbol dependencies and preempt 70 # shared-object symbol definitions, and link all the objects built into 71 # the final shared object. The command-line order of objects linked is 72 # important to make sure the linker correctly preempts versioned symbols 73 # from the auxiliary shared object and is as follows: ref, lib, dep, def. 74 # Get a dump to make sure symbol dependencies are resolved internally. 75 run_ld_link_tests [list \ 76 [list \ 77 "$testname (final shared object)" \ 78 "$LDFLAGS -shared -Tdata=0x12340000 tmpdir/mips-$abi-export-class-ref-r.o tmpdir/mips-$abi-export-class-lib.so" "" \ 79 "$AFLAGS" \ 80 { ../ld-elf/export-class-dep.s ../ld-elf/export-class-def.s } \ 81 [list \ 82 [list readelf -r mips-$dump-export-class.rd] \ 83 [list readelf "-x .data" mips-$dump-export-class.xd] \ 84 ] \ 85 "mips-$abi-export-class.so" \ 86 ] \ 87 ] 88 } 89 90 # For targets that default to a specific ISA (instead of "from-abi"), 91 # the 64-bit -march option is required to override it, like for 92 # "mipsisa32r2el-*-*". 93 set abis { o32 -32 elf32btsmip n32 "-n32 -march=mips3" elf32btsmipn32 n64 "-64 -march=mips3" elf64btsmip } 94 foreach { abi flag emul } $abis { 95 mips_export_class_test $abi $flag $emul 96 } 97
