From dba942c80dc2cfa5768a856fff98e22a755fdd27 Mon Sep 17 00:00:00 2001 From: Waldemar Brodkorb Date: Tue, 4 Oct 2016 06:51:35 +0200 Subject: add experimental aarch64 support Ported over from GNU C Library and runtime tested in Qemu. --- libpthread/nptl/sysdeps/aarch64/dl-tls.h | 55 ++++++++++++++++++++++++++++++++ 1 file changed, 55 insertions(+) create mode 100644 libpthread/nptl/sysdeps/aarch64/dl-tls.h (limited to 'libpthread/nptl/sysdeps/aarch64/dl-tls.h') 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 + . */ + +#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 -- cgit v1.2.3