| 1 | #!/bin/sh |
| 2 | |
| 3 | # hidden_test.sh -- a test case for hidden and internal symbols. |
| 4 | |
| 5 | # Copyright (C) 2009-2019 Free Software Foundation, Inc. |
| 6 | # Written by Cary Coutant <ccoutant@google.com>. |
| 7 | |
| 8 | # This file is part of gold. |
| 9 | |
| 10 | # This program is free software; you can redistribute it and/or modify |
| 11 | # it under the terms of the GNU General Public License as published by |
| 12 | # the Free Software Foundation; either version 3 of the License, or |
| 13 | # (at your option) any later version. |
| 14 | |
| 15 | # This program is distributed in the hope that it will be useful, |
| 16 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 17 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 18 | # GNU General Public License for more details. |
| 19 | |
| 20 | # You should have received a copy of the GNU General Public License |
| 21 | # along with this program; if not, write to the Free Software |
| 22 | # Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
| 23 | # MA 02110-1301, USA. |
| 24 | |
| 25 | # This file goes with hidden_test_main.c and hidden_test_1.c. |
| 26 | # The main program defines several symbols with each of the ELF |
| 27 | # visibilities, and the shared library attempts to reference the |
| 28 | # symbols. We try to link the program and check that the expected |
| 29 | # error messages are issued for the references to internal and |
| 30 | # hidden symbols. The errors will be found in hidden_test.err. |
| 31 | |
| 32 | check_missing() |
| 33 | { |
| 34 | if grep -q "$2" "$1" |
| 35 | then |
| 36 | echo "Found unexpected error in $1:" |
| 37 | echo " $2" |
| 38 | echo "" |
| 39 | echo "Actual error output below:" |
| 40 | cat "$1" |
| 41 | exit 1 |
| 42 | fi |
| 43 | } |
| 44 | |
| 45 | check_missing_sym() |
| 46 | { |
| 47 | if grep -q "$2" "$1" |
| 48 | then |
| 49 | echo "Found unexpected symbol in $1:" |
| 50 | echo " $2" |
| 51 | echo "" |
| 52 | echo "Actual nm output below:" |
| 53 | cat "$1" |
| 54 | exit 1 |
| 55 | fi |
| 56 | } |
| 57 | |
| 58 | # We shouldn't see errors for the default and protected symbols. |
| 59 | check_missing hidden_test.err "main_default" |
| 60 | check_missing hidden_test.err "main_protected" |
| 61 | |
| 62 | # We shouldn't see errors for the hidden and internal symbols either (PR 15574). |
| 63 | check_missing hidden_test.err "main_hidden" |
| 64 | check_missing hidden_test.err "main_internal" |
| 65 | |
| 66 | # We shouldn't see the hidden or internal symbols in the dynamic symbol table. |
| 67 | check_missing_sym hidden_test.syms "main_hidden" |
| 68 | check_missing_sym hidden_test.syms "main_internal" |
| 69 | |
| 70 | exit 0 |