[glibc.git] / sysdeps / powerpc / dl-tls.h

/* Thread-local storage handling in the ELF dynamic linker.  PowerPC version.
   Copyright (C) 2003 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, write to the Free
   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   02111-1307 USA.  */


/* Type used for the representation of TLS information in the TOC.  */
typedef struct
{
  unsigned long int ti_module;
  unsigned long int ti_offset;
} tls_index;


#ifdef SHARED

extern void *__tls_get_addr (tls_index *ti);

/* The thread pointer points 0x7000 past the first static TLS block.  */
# define TLS_TP_OFFSET		0x7000

/* Dynamic thread vector pointers point 0x8000 past the start of each
   TLS block.  */
# define TLS_DTV_OFFSET		0x8000

# define GET_ADDR_OFFSET	(ti->ti_offset + TLS_DTV_OFFSET)
# define __TLS_GET_ADDR(__ti)	(__tls_get_addr (__ti) - TLS_DTV_OFFSET)

#endif
Commit	Line	Data
a6963e69	1	/* Thread-local storage handling in the ELF dynamic linker. PowerPC version.
afafddab RM	2	Copyright (C) 2003 Free Software Foundation, Inc.
	3	This file is part of the GNU C Library.
	4
	5	The GNU C Library is free software; you can redistribute it and/or
	6	modify it under the terms of the GNU Lesser General Public
	7	License as published by the Free Software Foundation; either
	8	version 2.1 of the License, or (at your option) any later version.
	9
	10	The GNU C Library is distributed in the hope that it will be useful,
	11	but WITHOUT ANY WARRANTY; without even the implied warranty of
	12	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	13	Lesser General Public License for more details.
	14
	15	You should have received a copy of the GNU Lesser General Public
	16	License along with the GNU C Library; if not, write to the Free
	17	Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
	18	02111-1307 USA. */
	19
	20
	21	/* Type used for the representation of TLS information in the TOC. */
	22	typedef struct
	23	{
	24	unsigned long int ti_module;
	25	unsigned long int ti_offset;
	26	} tls_index;
	27
	28
	29	#ifdef SHARED
	30
	31	extern void __tls_get_addr (tls_index ti);
	32
a6963e69 RM	33	/* The thread pointer points 0x7000 past the first static TLS block. */
	34	# define TLS_TP_OFFSET 0x7000
	35
afafddab RM	36	/* Dynamic thread vector pointers point 0x8000 past the start of each
	37	TLS block. */
	38	# define TLS_DTV_OFFSET 0x8000
	39
	40	# define GET_ADDR_OFFSET (ti->ti_offset + TLS_DTV_OFFSET)
	41	# define __TLS_GET_ADDR(__ti) (__tls_get_addr (__ti) - TLS_DTV_OFFSET)
	42
	43	#endif