diff options
Diffstat (limited to 'sysdeps/generic/ldsodefs.h')
| -rw-r--r-- | sysdeps/generic/ldsodefs.h | 37 |
1 files changed, 29 insertions, 8 deletions
diff --git a/sysdeps/generic/ldsodefs.h b/sysdeps/generic/ldsodefs.h index bfad7c6b07..d722198328 100644 --- a/sysdeps/generic/ldsodefs.h +++ b/sysdeps/generic/ldsodefs.h @@ -289,23 +289,40 @@ struct rtld_global #endif #ifdef USE_TLS - /* Beginning of the list of link maps for objects which contain - thread-local storage sections. This will be traversed to - initialize new TLS blocks. */ - EXTERN struct link_map *_dl_initimage_list; - /* Highest dtv index currently needed. */ EXTERN size_t _dl_tls_max_dtv_idx; /* Flag signalling whether there are gaps in the module ID allocation. */ EXTERN bool _dl_tls_dtv_gaps; - + /* Information about the dtv slots. */ + EXTERN struct dtv_slotinfo_list + { + size_t len; + struct dtv_slotinfo_list *next; + struct dtv_slotinfo + { + size_t gen; + struct link_map *map; + } slotinfo[0]; + } *_dl_tls_dtv_slotinfo_list; + /* Number of modules in the static TLS block. */ + EXTERN size_t _dl_tls_static_nelem; /* Size of the static TLS block. */ EXTERN size_t _dl_tls_static_size; /* Alignment requirement of the static TLS block. */ EXTERN size_t _dl_tls_static_align; +/* Number of additional entries in the slotinfo array of each slotinfo + list element. A large number makes it almost certain take we never + have to iterate beyond the first element in the slotinfo list. */ +# define TLS_SLOTINFO_SURPLUS (62) + +/* Number of additional slots in the dtv allocated. */ +# define DTV_SURPLUS (14) + /* True if the dtv for the initial thread was malloc()ed. */ EXTERN bool _dl_initial_dtv_malloced; + /* Generation counter for the dtv. */ + EXTERN size_t _dl_tls_generation; #endif /* Name of the shared object to be profiled (if any). */ @@ -667,12 +684,16 @@ extern void _dl_sysdep_start_cleanup (void) extern size_t _dl_next_tls_modid (void) internal_function; /* Calculate offset of the TLS blocks in the static TLS block. */ -extern void _dl_determine_tlsoffset (struct link_map *firstp) - internal_function; +extern void _dl_determine_tlsoffset (void) internal_function; /* Allocate memory for static TLS block and dtv. */ extern void *_dl_allocate_tls (void) internal_function; +/* Return the symbol address given the map of the module it is in and + the symbol record. */ +extern void *_dl_tls_symaddr (struct link_map *map, const ElfW(Sym) *ref) + internal_function; + __END_DECLS #endif /* ldsodefs.h */ |