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authorRoland McGrath <roland@hack.frob.com>2015-04-17 09:02:19 -0700
committerRoland McGrath <roland@hack.frob.com>2015-04-17 09:02:19 -0700
commitd1e44df1fa5fefd8a083f6c1e909bbcdc97c6438 (patch)
treea76176eca62c0907dd7f135979312c8e55ad06a5 /sysdeps/nacl/tls.h
parentf70925993ada98039250d46c62fb89c168b8f9d6 (diff)
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Add arm-nacl port.
Diffstat (limited to 'sysdeps/nacl/tls.h')
-rw-r--r--sysdeps/nacl/tls.h41
1 files changed, 41 insertions, 0 deletions
diff --git a/sysdeps/nacl/tls.h b/sysdeps/nacl/tls.h
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+++ b/sysdeps/nacl/tls.h
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+/* Definition for thread-local data handling.  NaCl version.
+   Copyright (C) 2015 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/>.  */
+
+#ifndef _NACL_TLS_H
+#define _NACL_TLS_H	1
+
+#ifndef __ASSEMBLER__
+
+# include <nacl-interfaces.h>
+
+/* Code to initially initialize the thread pointer.  This might need
+   special attention since 'errno' is not yet available and if the
+   operation can cause a failure 'errno' must not be touched.  */
+# define TLS_INIT_TP(tcbp) \
+  ((*__nacl_irt_tls.tls_init) (tcbp) == 0 ? NULL : "tls_init call failed")
+
+/* Our use of dl_sysinfo is rather different from the Linux syscall
+   entry-point case.  We never need a thread-local copy of the value.  */
+# undef SETUP_THREAD_SYSINFO
+# undef CHECK_THREAD_SYSINFO
+# define SETUP_THREAD_SYSINFO(pd) ((void) (pd))
+# define CHECK_THREAD_SYSINFO(pd) ((void) (pd))
+
+#endif /* __ASSEMBLER__ */
+
+#endif  /* tls.h */