Add libatomic as a target library.

From-SVN: r187018

1 files changed, 38 insertions, 0 deletions

diff --git a/libatomic/config/x86/init.c b/libatomic/config/x86/init.c
new file mode 100644
index 0000000..c4e066a
--- /dev/null
+++ b/libatomic/config/x86/init.c
@@ -0,0 +1,38 @@
+/* Copyright (C) 2012 Free Software Foundation, Inc.
+   Contributed by Richard Henderson <rth@redhat.com>.
+
+   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/>.  */
+
+#include "libatomic_i.h"
+
+#if HAVE_IFUNC
+
+unsigned int libat_feat1_ecx, libat_feat1_edx;
+
+static void __attribute__((constructor))
+init_cpuid (void)
+{
+  unsigned int eax, ebx;
+  __get_cpuid (1, &eax, &ebx, &libat_feat1_ecx, &libat_feat1_edx);
+}
+
+#endif /* HAVE_IFUNC */