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author | Chung-Lin Tang <cltang@codesourcery.com> | 2015-01-17 22:29:12 -0800 |
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committer | Chung-Lin Tang <cltang@codesourcery.com> | 2015-01-17 22:29:12 -0800 |
commit | 522e6ee3b45808ea845ec0ac11d5fffcd737baba (patch) | |
tree | 3d107705431599279416406a487cd8a905a372af /sysdeps/nios2/dl-tls.h | |
parent | 026eb207eda8cc93f6f7f0980f0a8e51587d8011 (diff) | |
download | glibc-522e6ee3b45808ea845ec0ac11d5fffcd737baba.tar.gz |
Commit nios2 port to master.
Diffstat (limited to 'sysdeps/nios2/dl-tls.h')
-rw-r--r-- | sysdeps/nios2/dl-tls.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/sysdeps/nios2/dl-tls.h b/sysdeps/nios2/dl-tls.h new file mode 100644 index 0000000000..541e4b012e --- /dev/null +++ b/sysdeps/nios2/dl-tls.h @@ -0,0 +1,48 @@ +/* Thread-local storage handling in the ELF dynamic linker. Nios II version. + Copyright (C) 2012-2015 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/>. */ + + +/* Type used for the representation of TLS information in the GOT. */ +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 GOTTPREL reloc. */ +#define TLS_TPREL_VALUE(sym_map, sym) \ + ((sym_map)->l_tls_offset + (sym)->st_value - TLS_TP_OFFSET) + +/* Compute the value for a DTPREL reloc. */ +#define TLS_DTPREL_VALUE(sym) \ + ((sym)->st_value - TLS_DTV_OFFSET) + +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) + +/* Value used for dtv entries for which the allocation is delayed. */ +#define TLS_DTV_UNALLOCATED ((void *) -1l) |