summaryrefslogtreecommitdiff
path: root/libc/ports/sysdeps/aarch64/dl-tlsdesc.h
diff options
context:
space:
mode:
Diffstat (limited to 'libc/ports/sysdeps/aarch64/dl-tlsdesc.h')
-rw-r--r--libc/ports/sysdeps/aarch64/dl-tlsdesc.h65
1 files changed, 65 insertions, 0 deletions
diff --git a/libc/ports/sysdeps/aarch64/dl-tlsdesc.h b/libc/ports/sysdeps/aarch64/dl-tlsdesc.h
new file mode 100644
index 000000000..514e4ecfb
--- /dev/null
+++ b/libc/ports/sysdeps/aarch64/dl-tlsdesc.h
@@ -0,0 +1,65 @@
+/* Thread-local storage descriptor handling in the ELF dynamic linker.
+ AArch64 version.
+ Copyright (C) 2011, 2012 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 _AARCH64_DL_TLSDESC_H
+#define _AARCH64_DL_TLSDESC_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 *);
+
+extern ptrdiff_t attribute_hidden
+_dl_tlsdesc_undefweak (struct tlsdesc *);
+
+extern ptrdiff_t attribute_hidden
+_dl_tlsdesc_resolve_rela (struct tlsdesc *);
+
+extern ptrdiff_t attribute_hidden
+_dl_tlsdesc_resolve_hold (struct tlsdesc *);
+
+# ifdef SHARED
+extern void *internal_function _dl_make_tlsdesc_dynamic (struct link_map *,
+ size_t);
+
+extern ptrdiff_t attribute_hidden
+_dl_tlsdesc_dynamic (struct tlsdesc *);
+#endif
+
+#endif