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Diffstat (limited to 'binutils-2.19/gold/testsuite/icf_virtual_function_folding_test.cc')
-rw-r--r-- | binutils-2.19/gold/testsuite/icf_virtual_function_folding_test.cc | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/binutils-2.19/gold/testsuite/icf_virtual_function_folding_test.cc b/binutils-2.19/gold/testsuite/icf_virtual_function_folding_test.cc new file mode 100644 index 0000000..1ba3e73 --- /dev/null +++ b/binutils-2.19/gold/testsuite/icf_virtual_function_folding_test.cc @@ -0,0 +1,70 @@ +// icf_virtual_function_folding_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. + +// Foo::fn1 is folded into fn2 with ICF. Since this file is linked as a +// position independent executable, a dynamic reloc is needed +// for the virtual call fn1 entry in the vtable. This test makes sure +// the call to Foo::fn1 works correctly after the folding. + +int fn2(void *) +{ + return 0xA; +} + +namespace +{ + +class Bar +{ + public: + virtual int fn1(); +}; + +int Bar::fn1() +{ + return 123; +} + +class Foo : public Bar +{ + virtual int fn1(); +}; + +int Foo::fn1() +{ + return 0xA; +} + +Bar* get() +{ + Bar *f = new Foo(); + return f; +} + +} // end of anonymous namespace. + +int main() +{ + Bar *f = get(); + f->fn1(); + return 0; +} |