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authorWaldemar Brodkorb <wbx@uclibc-ng.org>2016-10-04 06:51:35 +0200
committerWaldemar Brodkorb <wbx@openadk.org>2017-02-01 17:48:38 +0100
commitdba942c80dc2cfa5768a856fff98e22a755fdd27 (patch)
tree371e775cb6dfec085945f6834aeb9d3b6de36fbe /libpthread/nptl/sysdeps/aarch64/dl-tls.h
parent9b457baf8d46329f7d7ee2aa084022bb0df88551 (diff)
add experimental aarch64 support
Ported over from GNU C Library and runtime tested in Qemu.
Diffstat (limited to 'libpthread/nptl/sysdeps/aarch64/dl-tls.h')
-rw-r--r--libpthread/nptl/sysdeps/aarch64/dl-tls.h55
1 files changed, 55 insertions, 0 deletions
diff --git a/libpthread/nptl/sysdeps/aarch64/dl-tls.h b/libpthread/nptl/sysdeps/aarch64/dl-tls.h
new file mode 100644
index 000000000..e5cd8cca3
--- /dev/null
+++ b/libpthread/nptl/sysdeps/aarch64/dl-tls.h
@@ -0,0 +1,55 @@
+/* Copyright (C) 2005-2017 Free Software Foundation, Inc.
+
+ 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 _AARCH64_DL_TLS_H
+#define _AARCH64_DL_TLS_H 1
+
+/* Type used to represent a TLS descriptor in the GOT. */
+struct tlsdesc
+{
+ ptrdiff_t (*entry) (struct tlsdesc *);
+ void *arg;
+};
+
+typedef struct dl_tls_index
+{
+ unsigned long int ti_module;
+ unsigned long int ti_offset;
+} tls_index;
+
+/* Type used as the argument in a TLS descriptor for a symbol that
+ needs dynamic TLS offsets. */
+struct tlsdesc_dynamic_arg
+{
+ tls_index tlsinfo;
+ size_t gen_count;
+};
+
+extern ptrdiff_t attribute_hidden
+_dl_tlsdesc_return (struct tlsdesc *);
+
+# ifdef SHARED
+extern void *_dl_make_tlsdesc_dynamic (struct link_map *, size_t);
+
+extern ptrdiff_t attribute_hidden
+_dl_tlsdesc_dynamic (struct tlsdesc *);
+# endif
+
+extern void *__tls_get_addr (tls_index *ti);
+
+#define TLS_DTV_UNALLOCATED ((void *) -1l)
+
+#endif