From d6f53c6f3e7741a4f8d63431b716740d15ebe431 Mon Sep 17 00:00:00 2001 From: Roland McGrath Date: Sat, 13 Mar 2004 07:59:04 +0000 Subject: 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). --- nptl_db/db_info.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) (limited to 'nptl_db/db_info.c') diff --git a/nptl_db/db_info.c b/nptl_db/db_info.c index 4d47b6609d..6ffe8bb058 100644 --- a/nptl_db/db_info.c +++ b/nptl_db/db_info.c @@ -1,7 +1,7 @@ /* This file is included by pthread_create.c to define in libpthread all the magic symbols required by libthread_db. - 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 @@ -53,6 +53,15 @@ typedef struct link_map link_map; #if TLS_TCB_AT_TP # define dtvp header.dtv +#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. */ +DESC (_thread_db_pthread_dtvp, + TLS_PRE_TCB_SIZE - sizeof (tcbhead_t) + offsetof (tcbhead_t, dtv), + union dtv) #elif TLS_DTV_AT_TP /* Special case hack. */ DESC (_thread_db_pthread_dtvp, -- cgit v1.2.3