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| -rw-r--r-- | gold/testsuite/weak_unresolved_symbols_test.cc | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/gold/testsuite/weak_unresolved_symbols_test.cc b/gold/testsuite/weak_unresolved_symbols_test.cc new file mode 100644 index 0000000..ec2c462 --- /dev/null +++ b/gold/testsuite/weak_unresolved_symbols_test.cc @@ -0,0 +1,45 @@ +// weak_unresolved_symbols_test.cc -- a test case for gold + +// Copyright (C) 2015 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. + +// Test --weak-unresolved-symbols. Symbol foo remains unresolved but +// with -fPIE, needs a GOT entry and has a dynsym entry and a dynamic +// relocation against it created. This will fail to link and run without +// --weak-unresolved-symbols. With --warn-unresolved-symbols, it will link +// but the dynamic linker will complain that foo(_Z3foov) is unresolved. + +extern int foo(); + +int bar() { + return 0; +} + +int (*p)() = &bar; + +int main() { + if (p == &foo) + { + foo(); + } + else + (*p)(); + return 0; +} |