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authorH.J. Lu <hjl.tools@gmail.com>2012-05-17 09:55:25 -0700
committerH.J. Lu <hjl.tools@gmail.com>2012-05-17 09:55:25 -0700
commit477cc68e904516c2108889c95c33326af0a87ec5 (patch)
tree3232cf8b8fdf38c32421f031fa8d45139fa9b059 /sysdeps/x86_64/tst-mallocalign1.c
parent1a0994f5356214e8af8a1c1cc33fbf74a7ac8993 (diff)
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Add tst-mallocalign1
Diffstat (limited to 'sysdeps/x86_64/tst-mallocalign1.c')
-rw-r--r--sysdeps/x86_64/tst-mallocalign1.c72
1 files changed, 72 insertions, 0 deletions
diff --git a/sysdeps/x86_64/tst-mallocalign1.c b/sysdeps/x86_64/tst-mallocalign1.c
new file mode 100644
index 0000000000..5ce68daa8e
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+++ b/sysdeps/x86_64/tst-mallocalign1.c
@@ -0,0 +1,72 @@
+/* Copyright (C) 2012 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <stdio.h>
+#include <stdlib.h>
+
+/* Specified by x86-64 psABI.  */
+#define ALIGN_MASK (16 - 1)
+
+void *
+test (size_t s)
+{
+  void *p = malloc (s);
+
+  printf ("malloc: %d, %p: %ld\n", s, p,
+	  ((unsigned long) p) & ALIGN_MASK);
+  return p;
+}
+
+static int
+do_test (void)
+{
+  void *p;
+  int ret = 0;
+
+  p = test (2);
+  ret |= (unsigned long) p & ALIGN_MASK;
+  free (p);
+
+  p = test (8);
+  ret |= (unsigned long) p & ALIGN_MASK;
+  free (p);
+
+  p = test (13);
+  ret |= (unsigned long) p & ALIGN_MASK;
+  free (p);
+
+  p = test (16);
+  ret |= (unsigned long) p & ALIGN_MASK;
+  free (p);
+
+  p = test (23);
+  ret |= (unsigned long) p & ALIGN_MASK;
+  free (p);
+
+  p = test (43);
+  ret |= (unsigned long) p & ALIGN_MASK;
+  free (p);
+
+  p = test (123);
+  ret |= (unsigned long) p & ALIGN_MASK;
+  free (p);
+
+  return ret;
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"