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[PATCH 01/27] [AARCH64] Fix utmp struct for compatibility reasons.
- From: Yury Norov <ynorov at caviumnetworks dot com>
- To: <libc-alpha at sourceware dot org>, <linux-kernel at vger dot kernel dot org>
- Cc: <arnd at arndb dot de>, <catalin dot marinas at arm dot com>, <marcus dot shawcroft at arm dot com>, <philb at gnu dot org>, <davem at davemloft dot net>, <szabolcs dot nagy at arm dot com>, <maxim dot kuvyrkov at linaro dot org>, <joseph at codesourcery dot com>, <pinskia at gmail dot com>, Andrew Pinski <apinski at cavium dot com>, Yury Norov <ynorov at caviumnetworks dot com>
- Date: Tue, 21 Jun 2016 08:06:44 +0300
- Subject: [PATCH 01/27] [AARCH64] Fix utmp struct for compatibility reasons.
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- Authentication-results: spf=none (sender IP is ) smtp dot mailfrom=Yuri dot Norov at caviumnetworks dot com;
- References: <1466485631-3532-1-git-send-email-ynorov at caviumnetworks dot com>
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From: Andrew Pinski <apinski@cavium.com>
NOTE This is an ABI change for AARCH64.
If you have some AARCH32 and AARCH64 applications and they both use
utmp, one of them will fail due to the use of time_t inside the
utmp binary format.
This fixes the problem by setting __WORDSIZE_TIME64_COMPAT32.
* sysdeps/aarch64/bits/wordsize.h: New file.
Signed-off-by: Yury Norov <ynorov@caviumnetworks.com>
---
sysdeps/aarch64/bits/wordsize.h | 26 ++++++++++++++++++++++++++
1 file changed, 26 insertions(+)
create mode 100644 sysdeps/aarch64/bits/wordsize.h
diff --git a/sysdeps/aarch64/bits/wordsize.h b/sysdeps/aarch64/bits/wordsize.h
new file mode 100644
index 0000000..3ecccaa
--- /dev/null
+++ b/sysdeps/aarch64/bits/wordsize.h
@@ -0,0 +1,26 @@
+/* Copyright (C) 2014 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/>. */
+
+#define __WORDSIZE 64
+
+/* LP64 ABI has a 64bit time_t.
+ This allows aarch32 and AARCH64 applications
+ both access utmp. */
+#define __WORDSIZE_TIME64_COMPAT32 1
+
+/* LP64 use the 64bit system call interface. */
+#define __SYSCALL_WORDSIZE 64
--
2.7.4