| 1 | # Expect script for symbol export classes. |
| 2 | # |
| 3 | # Copyright 2012 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@codesourcery.com> |
| 25 | # |
| 26 | |
| 27 | # Exclude non-ELF targets. |
| 28 | if { ![is_elf_format] } { |
| 29 | return |
| 30 | } |
| 31 | |
| 32 | # Exclude some more targets; feel free to include your favorite one |
| 33 | # if you like. |
| 34 | if { ![istarget *-*-linux*] |
| 35 | && ![istarget *-*-nacl*] |
| 36 | && ![istarget *-*-gnu*] } { |
| 37 | return |
| 38 | } |
| 39 | |
| 40 | set testname "Symbol export class test" |
| 41 | |
| 42 | # Build an auxiliary shared object with conflicting versioned symbol |
| 43 | # definitions. |
| 44 | run_ld_link_tests [list \ |
| 45 | [list \ |
| 46 | "$testname (auxiliary shared object)" \ |
| 47 | "-shared -version-script export-class-lib.ver" \ |
| 48 | "" \ |
| 49 | { export-class-lib.s } \ |
| 50 | {} \ |
| 51 | "export-class-lib.so" \ |
| 52 | ] \ |
| 53 | ] |
| 54 | |
| 55 | # Build a static object that pulls symbol definitions. It has to come |
| 56 | # first before the auxiliary shared object and other static objects on |
| 57 | # the linker's command line and hence we need to build it separately. |
| 58 | run_ld_link_tests [list \ |
| 59 | [list \ |
| 60 | "$testname (initial static object)" \ |
| 61 | "-r" \ |
| 62 | "" \ |
| 63 | { export-class-ref.s } \ |
| 64 | {} \ |
| 65 | "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 | "-shared -Tdata=0x12340000 tmpdir/export-class-ref-r.o tmpdir/export-class-lib.so" \ |
| 79 | "" \ |
| 80 | { export-class-dep.s export-class-def.s } \ |
| 81 | { \ |
| 82 | { readelf -s export-class.sd } \ |
| 83 | { readelf -V export-class.vd } \ |
| 84 | } \ |
| 85 | "export-class.so" \ |
| 86 | ] \ |
| 87 | ] |