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-rw-r--r--gcc/ginclude/stdalign.h39
-rw-r--r--gcc/ginclude/stddef.h16
2 files changed, 54 insertions, 1 deletions
diff --git a/gcc/ginclude/stdalign.h b/gcc/ginclude/stdalign.h
new file mode 100644
index 00000000000..fd55ed3010a
--- /dev/null
+++ b/gcc/ginclude/stdalign.h
@@ -0,0 +1,39 @@
+/* Copyright (C) 2011 Free Software Foundation, Inc.
+
+This file is part of GCC.
+
+GCC 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, or (at your option)
+any later version.
+
+GCC 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.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+<http://www.gnu.org/licenses/>. */
+
+/* ISO C1X: 7.15 Alignment <stdalign.h>. */
+
+#ifndef _STDALIGN_H
+#define _STDALIGN_H
+
+#ifndef __cplusplus
+
+#define alignas _Alignas
+#define alignof _Alignof
+
+#define __alignas_is_defined 1
+#define __alignof_is_defined 1
+
+#endif
+
+#endif /* stdalign.h */
diff --git a/gcc/ginclude/stddef.h b/gcc/ginclude/stddef.h
index 565ef7b8f84..1cc3cb4e75a 100644
--- a/gcc/ginclude/stddef.h
+++ b/gcc/ginclude/stddef.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1989, 1997, 1998, 1999, 2000, 2002, 2004, 2009
+/* Copyright (C) 1989, 1997, 1998, 1999, 2000, 2002, 2004, 2009, 2011
Free Software Foundation, Inc.
This file is part of GCC.
@@ -412,6 +412,20 @@ typedef __WINT_TYPE__ wint_t;
/* Offset of member MEMBER in a struct of type TYPE. */
#define offsetof(TYPE, MEMBER) __builtin_offsetof (TYPE, MEMBER)
+#if (defined (__STDC_VERSION__) && __STDC_VERSION__ > 199901L) \
+ || (defined(__cplusplus) && __cplusplus >= 201103L)
+#ifndef _GCC_MAX_ALIGN_T
+#define _GCC_MAX_ALIGN_T
+/* Type whose alignment is supported in every context and is at least
+ as great as that of any standard type not using alignment
+ specifiers. */
+typedef struct {
+ long long __max_align_ll __attribute__((__aligned__(__alignof__(long long))));
+ long double __max_align_ld __attribute__((__aligned__(__alignof__(long double))));
+} max_align_t;
+#endif
+#endif /* C1X or C++11. */
+
#endif /* _STDDEF_H was defined this time */
#endif /* !_STDDEF_H && !_STDDEF_H_ && !_ANSI_STDDEF_H && !__STDDEF_H__