1 # Expect script for symbol export classes.
3 # Copyright (C) 2012-2019 Free Software Foundation, Inc.
5 # This file is part of the GNU Binutils.
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.
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.
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,
24 # Written by Maciej W. Rozycki <macro@codesourcery.com>
27 # Exclude non-ELF targets.
28 if { ![is_elf_format] } {
32 # Exclude some more targets; feel free to include your favorite one
34 if { ![istarget *-*-linux*]
35 && ![istarget arm*-*-uclinuxfdpiceabi]
36 && ![istarget *-*-nacl*]
37 && ![istarget *-*-gnu*] } {
41 set testname "Symbol export class test"
43 # Build an auxiliary shared object with conflicting versioned symbol
45 run_ld_link_tests [list \
47 "$testname (auxiliary shared object)" \
48 "-shared -version-script export-class-lib.ver" "" \
50 { export-class-lib.s } \
52 "export-class-lib.so" \
56 # Build a static object that pulls symbol definitions. It has to come
57 # first before the auxiliary shared object and other static objects on
58 # the linker's command line and hence we need to build it separately.
59 run_ld_link_tests [list \
61 "$testname (initial static object)" \
64 { export-class-ref.s } \
66 "export-class-ref-r.o" \
70 # Build static objects that satisfy symbol dependencies and preempt
71 # shared-object symbol definitions, and link all the objects built into
72 # the final shared object. The command-line order of objects linked is
73 # important to make sure the linker correctly preempts versioned symbols
74 # from the auxiliary shared object and is as follows: ref, lib, dep, def.
75 # Get a dump to make sure symbol dependencies are resolved internally.
76 run_ld_link_tests [list \
78 "$testname (final shared object)" \
79 "-shared -Tdata=0x12340000 tmpdir/export-class-ref-r.o tmpdir/export-class-lib.so" "" \
81 { export-class-dep.s export-class-def.s } \
83 { readelf -s export-class.sd } \
84 { readelf -V export-class.vd } \