[thirdparty/glibc.git] / sysdeps / m68k / libc-tls.c

/* Thread-local storage handling in the ELF dynamic linker.  m68k version.
   Copyright (C) 2010-2021 Free Software Foundation, Inc.
   This file is part of the GNU C Library.
   Contributed by Maxim Kuvyrkov <maxim@codesourcery.com>, 2010.

   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/>.  */

#include <csu/libc-tls.c>
#include <dl-tls.h>

/* On M68K, linker optimizations are not required, so __tls_get_addr
   can be called even in statically linked binaries.  In this case module
   must be always 1 and PT_TLS segment exist in the binary, otherwise it
   would not link.  */

void *
__tls_get_addr (tls_index *ti)
{
  dtv_t *dtv = THREAD_DTV ();
  return (char *) dtv[1].pointer.val + GET_ADDR_OFFSET;
}
Commit	Line	Data
40111cb9	1	/* Thread-local storage handling in the ELF dynamic linker. m68k version.
2b778ceb	2	Copyright (C) 2010-2021 Free Software Foundation, Inc.
40111cb9 MK	3	This file is part of the GNU C Library.
	4	Contributed by Maxim Kuvyrkov <maxim@codesourcery.com>, 2010.
	5
	6	The GNU C Library is free software; you can redistribute it and/or
	7	modify it under the terms of the GNU Lesser General Public
	8	License as published by the Free Software Foundation; either
	9	version 2.1 of the License, or (at your option) any later version.
	10
	11	The GNU C Library is distributed in the hope that it will be useful,
	12	but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	14	Lesser General Public License for more details.
	15
	16	You should have received a copy of the GNU Lesser General Public
ab84e3ff	17	License along with the GNU C Library. If not, see
5a82c748	18	<https://www.gnu.org/licenses/>. */
40111cb9 MK	19
	20	#include <csu/libc-tls.c>
	21	#include <dl-tls.h>
	22
40111cb9 MK	23	/* On M68K, linker optimizations are not required, so __tls_get_addr
	24	can be called even in statically linked binaries. In this case module
	25	must be always 1 and PT_TLS segment exist in the binary, otherwise it
	26	would not link. */
	27
	28	void *
	29	__tls_get_addr (tls_index *ti)
	30	{
	31	dtv_t *dtv = THREAD_DTV ();
	32	return (char *) dtv[1].pointer.val + GET_ADDR_OFFSET;
	33	}