From 4ca24d905fd5ed6f26ea3641d046529c1eb019af Mon Sep 17 00:00:00 2001 From: Cary Coutant Date: Thu, 6 Jun 2013 06:06:56 +0000 Subject: [PATCH] gold/ Add missing test case from last patch. --- gold/testsuite/large_symbol_alignment.cc | 49 ++++++++++++++++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 gold/testsuite/large_symbol_alignment.cc diff --git a/gold/testsuite/large_symbol_alignment.cc b/gold/testsuite/large_symbol_alignment.cc new file mode 100644 index 0000000..1b4a63d --- /dev/null +++ b/gold/testsuite/large_symbol_alignment.cc @@ -0,0 +1,49 @@ +// large_symbol_alignment.cc -- a test case for gold + +// Copyright 2013 Free Software Foundation, Inc. +// Written by Alexander Ivchenko . + +// 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 + +__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(&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; +} -- 2.7.4