diff options
Diffstat (limited to 'elf/dl-reloc.c')
| -rw-r--r-- | elf/dl-reloc.c | 26 |
1 files changed, 11 insertions, 15 deletions
diff --git a/elf/dl-reloc.c b/elf/dl-reloc.c index 23cb59cbc8..7294112346 100644 --- a/elf/dl-reloc.c +++ b/elf/dl-reloc.c @@ -1,5 +1,5 @@ /* Relocate a shared object and resolve its references to other loaded objects. - Copyright (C) 1995-2006, 2008, 2009, 2010 Free Software Foundation, Inc. + Copyright (C) 1995-2006, 2008-2010, 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 @@ -57,38 +57,34 @@ _dl_try_allocate_static_tls (struct link_map *map) } #if TLS_TCB_AT_TP - size_t freebytes; - size_t n; - size_t blsize; - - freebytes = GL(dl_tls_static_size) - GL(dl_tls_static_used); + size_t freebytes = GL(dl_tls_static_size) - GL(dl_tls_static_used); if (freebytes < TLS_TCB_SIZE) goto fail; freebytes -= TLS_TCB_SIZE; - blsize = map->l_tls_blocksize + map->l_tls_firstbyte_offset; + size_t blsize = map->l_tls_blocksize + map->l_tls_firstbyte_offset; if (freebytes < blsize) goto fail; - n = (freebytes - blsize) / map->l_tls_align; + size_t n = (freebytes - blsize) / map->l_tls_align; size_t offset = GL(dl_tls_static_used) + (freebytes - n * map->l_tls_align - map->l_tls_firstbyte_offset); map->l_tls_offset = GL(dl_tls_static_used) = offset; #elif TLS_DTV_AT_TP - size_t used; - size_t check; - - size_t offset = roundup (GL(dl_tls_static_used), map->l_tls_align); - used = offset + map->l_tls_blocksize; - check = used; /* dl_tls_static_used includes the TCB at the beginning. */ + size_t offset = (((GL(dl_tls_static_used) + - map->l_tls_firstbyte_offset + + map->l_tls_align - 1) & -map->l_tls_align) + + map->l_tls_firstbyte_offset); + size_t used = offset + map->l_tls_blocksize; - if (check > GL(dl_tls_static_size)) + if (used > GL(dl_tls_static_size)) goto fail; map->l_tls_offset = offset; + map->l_tls_firstbyte_offset = GL(dl_tls_static_used); GL(dl_tls_static_used) = used; #else # error "Either TLS_TCB_AT_TP or TLS_DTV_AT_TP must be defined" |