diff options
Diffstat (limited to 'binutils-2.25/gold/testsuite/icf_safe_so_test.cc')
-rw-r--r-- | binutils-2.25/gold/testsuite/icf_safe_so_test.cc | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/binutils-2.25/gold/testsuite/icf_safe_so_test.cc b/binutils-2.25/gold/testsuite/icf_safe_so_test.cc new file mode 100644 index 0000000..0f50ad6 --- /dev/null +++ b/binutils-2.25/gold/testsuite/icf_safe_so_test.cc @@ -0,0 +1,74 @@ +// icf_safe_so_test.cc -- a test case for gold + +// Copyright 2010 Free Software Foundation, Inc. +// Written by Sriraman Tallam <tmsriram@google.com>. + +// This file is part of gold. + +// This program is free software; you can redistribute it and/or modify +// it under the terms of the GNU General Public License as published by +// the Free Software Foundation; either version 3 of the License, or +// (at your option) any later version. + +// This program is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. + +// You should have received a copy of the GNU General Public License +// along with this program; if not, write to the Free Software +// Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, +// MA 02110-1301, USA. + +// The goal of this program is to verify if identical code folding +// in safe mode correctly folds functions in a shared object. The +// foo_* functions below should not be folded. For x86-64, +// foo_glob and bar_glob should be folded as their function pointers +// are addresses of PLT entries in shared objects. For 32-bit X86, +// the hidden protected and internal symbols can be folded. + +int __attribute__ ((visibility ("protected"))) +foo_prot() +{ + return 1; +} + +int __attribute__ ((visibility ("hidden"))) +foo_hidden() +{ + return 1; +} + +int __attribute__ ((visibility ("internal"))) +foo_internal() +{ + return 1; +} + +static int +foo_static() +{ + return 1; +} + +int foo_glob() +{ + return 2; +} + +int bar_glob() +{ + return 2; +} + +int main() +{ + int (*p)() = foo_glob; + (void)p; + foo_static(); + foo_prot(); + foo_hidden(); + foo_internal(); + return 0; +} + |