mirror of
git://sourceware.org/git/glibc.git
synced 2024-12-03 04:01:43 +08:00
53 lines
1.9 KiB
C
53 lines
1.9 KiB
C
/* 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. */
|
|
|
|
|
|
/* 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)
|