nptl: Move __pthread_keys global variable into libc

This prepares moving pthread_exit, and later the pthread_key_create
infrastructure.

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>

1 files changed, 24 insertions, 0 deletions

diff --git a/nptl/pthread_keys.c b/nptl/pthread_keys.c
new file mode 100644
index 0000000000..76e4cfad34
--- /dev/null
+++ b/nptl/pthread_keys.c
@@ -0,0 +1,24 @@
+/* Table of pthread_key_create keys and their destructors.
+   Copyright (C) 2004-2021 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
+   <https://www.gnu.org/licenses/>.  */
+
+#include <pthreadP.h>
+
+/* Table of the key information.  */
+struct pthread_key_struct __pthread_keys[PTHREAD_KEYS_MAX]
+  __attribute__ ((nocommon));
+libc_hidden_data_def (__pthread_keys)