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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)
downloadglibc-0261315289cfd3183cd447dc1d7a7a5ab5aeb93d.tar.gz
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')
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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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+/* 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)