binutils-gdb/gold/testsuite/copy_test_protected.cc
Cary Coutant 6eeb0170bb Don't allow COPY relocations for protected symbols.
gold/
	PR gold/19823
	* copy-relocs.cc (Copy_relocs::make_copy_reloc): Add object
	parameter; check for protected symbol.
	* copy-relocs.h (Copy_relocs::make_copy_reloc): Add object parameter.
	* mips.cc (Mips_copy_relocs): Adjust call to make_copy_reloc.
	* symtab.cc (Symbol::init_fields): Initialize is_protected_.
	(Symbol_table::add_from_dynobj): Mark protected symbols.
	* symtab.h (Symbol::is_protected): New method.
	(Symbol::set_is_protected): New method.
	(Symbol::is_protected_): New data member.

	* testsuite/Makefile.am (copy_test_protected): New test.
	* testsuite/Makefile.in: Regenerate.
	* testsuite/copy_test.cc (main): Add legal reference to protected
	symbol.
	* testsuite/copy_test_v1.cc (main): Likewise.
	* testsuite/copy_test_2.cc (ip): Add protected symbol.
	* testsuite/copy_test_protected.cc: New test source file.
	* testsuite/copy_test_protected.sh: New test script.
2016-05-19 15:05:03 -07:00

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// copy_test_protected.cc -- test copy relocs for gold
// Copyright (C) 2016 Free Software Foundation, Inc.
// Written by Cary Coutant <ccoutant@gmail.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.
#include <cassert>
#include <stdint.h>
// From copy_test_2.cc.
extern int ip; // protected visibility; may not be copied
int
main()
{
// This should produce a link-time error because we cannot
// create a copy relocation to a protected symbol.
assert(ip == 3);
return 0;
}