diff options
Diffstat (limited to 'REORG.TODO/sysdeps/powerpc/dl-tls.h')
| -rw-r--r-- | REORG.TODO/sysdeps/powerpc/dl-tls.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/powerpc/dl-tls.h b/REORG.TODO/sysdeps/powerpc/dl-tls.h new file mode 100644 index 0000000000..54beaee5ae --- /dev/null +++ b/REORG.TODO/sysdeps/powerpc/dl-tls.h @@ -0,0 +1,52 @@ +/* Thread-local storage handling in the ELF dynamic linker. PowerPC version. + Copyright (C) 2003-2017 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, see + <http://www.gnu.org/licenses/>. */ + +#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 + +#endif /* dl-tls.h */ |