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authorCary Coutant <ccoutant@google.com>2013-06-06 06:06:56 +0000
committerCary Coutant <ccoutant@google.com>2013-06-06 06:06:56 +0000
commit4ca24d905fd5ed6f26ea3641d046529c1eb019af (patch)
treeea041f455f380bb8c81606ff318f1620fc526a71 /gold
parent0059c61a299f1ebe2a5f7a299bd36380376c89bd (diff)
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gold/
Add missing test case from last patch.
Diffstat (limited to 'gold')
-rw-r--r--gold/testsuite/large_symbol_alignment.cc49
1 files changed, 49 insertions, 0 deletions
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 <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;
+}