From 26301a17c2b458fcb8939da9f0920786da6a293d Mon Sep 17 00:00:00 2001 From: Roland McGrath Date: Sat, 13 Mar 2004 07:59:29 +0000 Subject: * db_info.c [TLS_DTV_AT_TP && TLS_TP_OFFSET > 0] (_thread_db_pthread_dtvp): Define differently for this case (PowerPC). --- linuxthreads_db/ChangeLog | 5 +++++ linuxthreads_db/td_thr_tlsbase.c | 10 +++++++++- nptl_db/ChangeLog | 5 +++++ 3 files changed, 19 insertions(+), 1 deletion(-) diff --git a/linuxthreads_db/ChangeLog b/linuxthreads_db/ChangeLog index 4580537b8d..b6c2a189f7 100644 --- a/linuxthreads_db/ChangeLog +++ b/linuxthreads_db/ChangeLog @@ -1,3 +1,8 @@ +2004-03-12 Roland McGrath + + * td_thr_tlsbase.c [TLS_DTV_AT_TP && TLS_TP_OFFSET > 0]: Handle this + case (PowerPC) differently. + 2003-11-25 Roland McGrath * td_symbol_list.c (symbol_list_arr) [HAVE_ASM_GLOBAL_DOT_NAME]: diff --git a/linuxthreads_db/td_thr_tlsbase.c b/linuxthreads_db/td_thr_tlsbase.c index bcf06539e9..d3e6d366bb 100644 --- a/linuxthreads_db/td_thr_tlsbase.c +++ b/linuxthreads_db/td_thr_tlsbase.c @@ -1,5 +1,5 @@ /* Locate TLS data for a thread. - Copyright (C) 2003 Free Software Foundation, Inc. + Copyright (C) 2003, 2004 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 @@ -18,6 +18,7 @@ 02111-1307 USA. */ #include "thread_dbP.h" +#include /* Value used for dtv entries for which the allocation is delayed. */ # define TLS_DTV_UNALLOCATED ((void *) -1l) @@ -38,6 +39,13 @@ td_thr_tlsbase (const td_thrhandle_t *th, psaddr_t dtvpp = th->th_unique; #if TLS_TCB_AT_TP dtvpp += offsetof (struct _pthread_descr_struct, p_header.data.dtvp); +#elif TLS_DTV_AT_TP && TLS_TP_OFFSET > 0 +/* Special case hack. Really this #if should be TLS_TCB_SIZE == 0, but + when untrue it's a sizeof expression, and that wouldn't fly. In this + flavor (PowerPC), there is no TCB containing the DTV at the TP, but + actually the TCB lies behind the TP, i.e. at the very end of the area + covered by TLS_PRE_TCB_SIZE. */ + dtvpp += TLS_PRE_TCB_SIZE - sizeof (tcbhead_t) + offsetof (tcbhead_t, dtv); #elif TLS_DTV_AT_TP dtvpp += TLS_PRE_TCB_SIZE + offsetof (tcbhead_t, dtv); #else diff --git a/nptl_db/ChangeLog b/nptl_db/ChangeLog index 1d17a76066..1331a10dfa 100644 --- a/nptl_db/ChangeLog +++ b/nptl_db/ChangeLog @@ -1,3 +1,8 @@ +2004-03-12 Roland McGrath + + * db_info.c [TLS_DTV_AT_TP && TLS_TP_OFFSET > 0] + (_thread_db_pthread_dtvp): Define differently for this case (PowerPC). + 2003-12-11 Ulrich Weigand * db_info.c (REGISTER): Add bit size of thread register as second -- cgit 1.4.1