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- // large_symbol_alignment.cc -- a test case for gold
- // Copyright (C) 2013-2022 Free Software Foundation, Inc.
- // Written by Alexander Ivchenko <alexander.ivchenko@intel.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 that Gold correctly aligns
- // the symbol with a large alignemnt (often larger than the page size).
- #include <stdint.h>
- __attribute__ ((aligned(8192))) int aligned_8k_var;
- __attribute__ ((aligned(4096))) int aligned_4k_var;
- __attribute__ ((aligned(16384))) int aligned_16k_var;
- bool
- is_aligned(const int& var, int align) __attribute__((noinline));
- bool
- is_aligned(const int& var, int align)
- {
- return (reinterpret_cast<uintptr_t>(&var) & (align - 1)) == 0;
- }
- int
- main()
- {
- if (!is_aligned(aligned_16k_var, 16384)
- || !is_aligned(aligned_8k_var, 8192)
- || !is_aligned(aligned_4k_var, 4096))
- return 1;
- return 0;
- }
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