diff options
Diffstat (limited to 'elf/rtld.c')
| -rw-r--r-- | elf/rtld.c | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/elf/rtld.c b/elf/rtld.c index ab02a71ea3..f0f228f352 100644 --- a/elf/rtld.c +++ b/elf/rtld.c @@ -262,12 +262,12 @@ _dl_start (void *arg) INSTALL_DTV ((char *) tlsblock + bootstrap_map.l_tls_offset, initdtv); - if (TLS_INIT_TP ((char *) tlsblock + bootstrap_map.l_tls_offset, 1) + if (TLS_INIT_TP ((char *) tlsblock + bootstrap_map.l_tls_offset, 0) != 0) _dl_fatal_printf ("cannot setup thread-local storage\n"); # elif TLS_DTV_AT_TP INSTALL_DTV (tlsblock, initdtv); - if (TLS_INIT_TP (tlsblock, 1) != 0) + if (TLS_INIT_TP (tlsblock, 0) != 0) _dl_fatal_printf ("cannot setup thread-local storage\n"); # else # error "Either TLS_TCB_AT_TP or TLS_DTV_AT_TP must be defined" @@ -275,6 +275,8 @@ _dl_start (void *arg) /* So far this is module number one. */ bootstrap_map.l_tls_modid = 1; + /* The TP got initialized. */ + bootstrap_map.l_tls_tp_initialized = 1; /* There can only be one PT_TLS entry. */ break; @@ -371,6 +373,8 @@ _dl_start_final (void *arg, struct link_map *bootstrap_map_p, GL(dl_rtld_map).l_tls_initimage = bootstrap_map_p->l_tls_initimage; GL(dl_rtld_map).l_tls_offset = bootstrap_map_p->l_tls_offset; GL(dl_rtld_map).l_tls_modid = 1; + GL(dl_rtld_map).l_tls_tp_initialized + = bootstrap_map_p->l_tls_tp_initialized; } #endif @@ -1476,7 +1480,15 @@ cannot allocate TLS data structures for initial thread"); _dl_allocate_tls_init (tcbp); /* And finally install it for the main thread. */ - TLS_INIT_TP (tcbp, 0); +# ifndef HAVE___THREAD + TLS_INIT_TP (tcbp, GL(dl_rtld_map).l_tls_tp_initialized); +# else + /* If the compiler supports the __thread keyword we know that + at least ld.so itself uses TLS and therefore the thread + pointer was initialized earlier. */ + assert (GL(dl_rtld_map).l_tls_tp_initialized != 0); + TLS_INIT_TP (tcbp, 1); +# endif } #endif |