1 # Expect script for symbol export classes, PowerPC variation. 2 # 3 # Copyright (C) 2012-2014 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 powerpc*-*-linux*] } { 30 return 31 } 32 33 proc powerpc_export_class_test { abi endian emul } { 34 35 set testname "PowerPC $abi $endian symbol export class test" 36 37 set AFLAGS "-a$abi -$endian" 38 set LDFLAGS "-m$emul" 39 40 # Build an auxiliary shared object with conflicting versioned symbol 41 # definitions. 42 run_ld_link_tests [list \ 43 [list \ 44 "$testname (auxiliary shared object)" \ 45 "$LDFLAGS -shared -version-script ../ld-elf/export-class-lib.ver" "" \ 46 "$AFLAGS" \ 47 { ../ld-elf/export-class-lib.s } \ 48 {} \ 49 "powerpc-$abi-export-class-lib.so" \ 50 ] \ 51 ] 52 53 # Build a static object that pulls symbol definitions. It has to come 54 # first before the auxiliary shared object and other static objects on 55 # the linker's command line and hence we need to build it separately. 56 run_ld_link_tests [list \ 57 [list \ 58 "$testname (initial static object)" \ 59 "$LDFLAGS -r" "" \ 60 "$AFLAGS" \ 61 { ../ld-elf/export-class-ref.s } \ 62 {} \ 63 "powerpc-$abi-export-class-ref-r.o" \ 64 ] \ 65 ] 66 67 # Build static objects that satisfy symbol dependencies and preempt 68 # shared-object symbol definitions, and link all the objects built into 69 # the final shared object. The command-line order of objects linked is 70 # important to make sure the linker correctly preempts versioned symbols 71 # from the auxiliary shared object and is as follows: ref, lib, dep, def. 72 # Get a dump to make sure symbol dependencies are resolved internally. 73 run_ld_link_tests [list \ 74 [list \ 75 "$testname (final shared object)" \ 76 "$LDFLAGS -shared -Tdata=0x12340000 tmpdir/powerpc-$abi-export-class-ref-r.o tmpdir/powerpc-$abi-export-class-lib.so" "" \ 77 "$AFLAGS" \ 78 { ../ld-elf/export-class-dep.s ../ld-elf/export-class-def.s } \ 79 [list \ 80 [list readelf -r powerpc-$abi-export-class.rd] \ 81 [list readelf "-x .data" powerpc-$abi-export-class.xd] \ 82 ] \ 83 "powerpc-$abi-export-class.so" \ 84 ] \ 85 ] 86 } 87 88 set abis { 32 be elf32ppclinux 32 le elf32lppclinux 64 be elf64ppc 64 le elf64lppc } 89 90 global ld 91 catch "exec $ld --help | grep emulations" ldemul 92 93 foreach { abi endian emul } $abis { 94 if { [string first $emul $ldemul] != -1 } then { 95 powerpc_export_class_test $abi $endian $emul 96 } 97 } 98