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authorSteve Ellcey <sellcey@cavium.com>2017-12-05 00:49:09 +0000
committerSteve Ellcey <sje@gcc.gnu.org>2017-12-05 00:49:09 +0000
commit141abc6f1e5a6a2de0a1ee97b63d56ee50b85a66 (patch)
tree50d25ec32b7f404446f4f5da5e0991c3ae3339f1 /libatomic/config/linux
parentad8503503f69f99b17e22cf53d87fe6e15256912 (diff)
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Makefile.am (ARCH_AARCH64_LINUX): Add IFUNC_OPTIONS and libatomic_la_LIBADD.
2017-12-04 Steve Ellcey <sellcey@cavium.com> * Makefile.am (ARCH_AARCH64_LINUX): Add IFUNC_OPTIONS and libatomic_la_LIBADD. * config/linux/aarch64/host-config.h: New file. * configure.ac (IFUNC_RESOLVER_ARGS): Define. (ARCH_AARCH64_LINUX): New conditional for IFUNC builds. * configure.tgt (aarch64): Set ARCH and try_ifunc. (aarch64*-*-linux*) Update config_path. (aarch64*-*-linux*) Set IFUNC_RESOLVER_ARGS. * libatomic_i.h (GEN_SELECTOR): Add IFUNC_RESOLVER_ARGS argument. * Makefile.in: Regenerate. * auto-config.h.in: Regenerate. * configure: Regenerate. From-SVN: r255399
Diffstat (limited to 'libatomic/config/linux')
-rw-r--r--libatomic/config/linux/aarch64/host-config.h36
1 files changed, 36 insertions, 0 deletions
diff --git a/libatomic/config/linux/aarch64/host-config.h b/libatomic/config/linux/aarch64/host-config.h
new file mode 100644
index 0000000..08810a9
--- /dev/null
+++ b/libatomic/config/linux/aarch64/host-config.h
@@ -0,0 +1,36 @@
+/* Copyright (C) 2017 Free Software Foundation, Inc.
+
+ This file is part of the GNU Atomic Library (libatomic).
+
+ Libatomic 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.
+
+ Libatomic 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/>. */
+
+#if HAVE_IFUNC
+#include <stdlib.h>
+
+# ifdef HWCAP_ATOMICS
+# define IFUNC_COND_1 (hwcap & HWCAP_ATOMICS)
+# else
+# define IFUNC_COND_1 (false)
+# endif
+# define IFUNC_NCOND(N) (1)
+
+#endif /* HAVE_IFUNC */
+
+#include_next <host-config.h>