diff options
Diffstat (limited to 'sysdeps/generic/libc-tls.c')
| -rw-r--r-- | sysdeps/generic/libc-tls.c | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/sysdeps/generic/libc-tls.c b/sysdeps/generic/libc-tls.c index 1461bf8543..b5ecc36436 100644 --- a/sysdeps/generic/libc-tls.c +++ b/sysdeps/generic/libc-tls.c @@ -1,5 +1,5 @@ /* Initialization code for TLS in statically linked application. - Copyright (C) 2002 Free Software Foundation, Inc. + Copyright (C) 2002, 2003 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 @@ -134,15 +134,16 @@ __libc_setup_tls (size_t tcbsize, size_t tcbalign) break; } +#ifdef TLS_INIT_TP_EXPENSIVE if (memsz == 0 && tcbsize <= TLS_INIT_TCB_SIZE) { /* We do not need a TLS block and no thread descriptor. */ -#ifdef NONTLS_INIT_TP +# ifdef NONTLS_INIT_TP NONTLS_INIT_TP; -#endif +# endif return; } - +#endif /* We have to set up the TCB block which also (possibly) contains 'errno'. Therefore we avoid 'malloc' which might touch 'errno'. @@ -157,8 +158,10 @@ __libc_setup_tls (size_t tcbsize, size_t tcbalign) tcb_offset = roundup (memsz + GL(dl_tls_static_size), tcbalign); tlsblock = __sbrk (tcb_offset + tcbsize + max_align); # elif TLS_DTV_AT_TP - tlsblock = __sbrk (roundup (tcbsize, align) + memsz + max_align - + GL(dl_tls_static_size)); + tcb_offset = roundup (tcbsize, align ?: 1); + tlsblock = __sbrk (tcb_offset + memsz + max_align + + TLS_PRE_TCB_SIZE + GL(dl_tls_static_size)); + tlsblock += TLS_PRE_TCB_SIZE; # else /* In case a model with a different layout for the TCB and DTV is defined add another #elif here and in the following #ifs. */ @@ -179,7 +182,6 @@ __libc_setup_tls (size_t tcbsize, size_t tcbalign) - roundup (memsz, align ?: 1)); static_map.l_tls_offset = roundup (memsz, align ?: 1); # elif TLS_DTV_AT_TP - tcb_offset = roundup (tcbsize, align); static_dtv[2].pointer = (char *) tlsblock + tcb_offset; static_map.l_tls_offset = tcb_offset; # else @@ -222,6 +224,8 @@ __libc_setup_tls (size_t tcbsize, size_t tcbalign) # if TLS_TCB_AT_TP memsz += tcbsize; +# elif TLS_DTV_AT_TP + memsz += tcb_offset; # endif init_static_tls (memsz, MAX (TLS_TCB_ALIGN, max_align)); |