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authorVineet Gupta <vgupta@synopsys.com>2018-10-23 14:18:04 -0700
committerVineet Gupta <vgupta@synopsys.com>2020-07-10 16:08:44 -0700
commit0261315289cfd3183cd447dc1d7a7a5ab5aeb93d (patch)
tree94cfbf2975874b1706d167ae12fa709d88f157b7 /sysdeps/arc/dl-tls.h
parentdd2e6ef179e1b50496ae6afc057b276a7786a78f (diff)
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ARC: Thread Local Storage support
This includes all 4 TLS addressing models

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
Diffstat (limited to 'sysdeps/arc/dl-tls.h')
-rw-r--r--sysdeps/arc/dl-tls.h30
1 files changed, 30 insertions, 0 deletions
diff --git a/sysdeps/arc/dl-tls.h b/sysdeps/arc/dl-tls.h
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+++ b/sysdeps/arc/dl-tls.h
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+/* Thread-local storage handling in the ELF dynamic linker.  ARC version.
+   Copyright (C) 2020 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/>.  */
+
+
+/* Type used for the representation of TLS information in the GOT.  */
+typedef struct
+{
+  unsigned long int ti_module;
+  unsigned long int ti_offset;
+} tls_index;
+
+extern void *__tls_get_addr (tls_index *ti);
+
+/* Value used for dtv entries for which the allocation is delayed.  */
+#define TLS_DTV_UNALLOCATED	((void *) -1l)