derek.holloway
7502bf64a4
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59 lines
1.8 KiB
C++
59 lines
1.8 KiB
C++
// protected_1.cc -- a test case for gold
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// Copyright (C) 2008-2024 Free Software Foundation, Inc.
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// Written by Ian Lance Taylor <iant@google.com>.
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// This file is part of gold.
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 3 of the License, or
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// (at your option) any later version.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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// MA 02110-1301, USA.
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// The function f1 is protected, which means that other callers in the
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// same shared library will call this version.
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int
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f1() __attribute__ ((__visibility__ ("protected")));
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int
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f1()
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{
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return 1;
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}
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// The function f2 is used to test that the executable can see the
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// same function address for a protected function in the executable
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// and in the shared library. We can't use the visibility attribute
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// here, becaues that may cause gcc to generate a PC relative reloc;
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// we need it to get the value from the GOT. I'm not sure this is
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// really useful, given that it doesn't work with the visibility
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// attribute. This test exists here mainly because the glibc
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// testsuite has the same test, and we want to make sure that gold
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// passes the glibc testsuite.
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extern "C" int f2();
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asm(".protected f2");
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extern "C" int
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f2()
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{
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return 2;
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}
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int
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(*get_f2_addr())()
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{
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return f2;
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}
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