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/* Thread-local storage handling in the ELF dynamic linker. PowerPC version.
Copyright (C) 2003, 2011 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. */
#ifndef _PPC_DL_TLS_H
# define _PPC_DL_TLS_H 1
/* 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;
/* 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
/* Compute the value for a @tprel reloc. */
#define TLS_TPREL_VALUE(sym_map, sym, reloc) \
((sym_map)->l_tls_offset + (sym)->st_value + (reloc)->r_addend \
- TLS_TP_OFFSET)
/* Compute the value for a @dtprel reloc. */
#define TLS_DTPREL_VALUE(sym, reloc) \
((sym)->st_value + (reloc)->r_addend - TLS_DTV_OFFSET)
#ifdef SHARED
extern void *__tls_get_addr (tls_index *ti);
# define GET_ADDR_OFFSET (ti->ti_offset + TLS_DTV_OFFSET)
# define __TLS_GET_ADDR(__ti) (__tls_get_addr (__ti) - TLS_DTV_OFFSET)
#endif
/* Value used for dtv entries for which the allocation is delayed. */
#define TLS_DTV_UNALLOCATED ((void *) -1l)
#endif /* dl-tls.h */
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