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* db_info.c: Don't use TLS_TP_OFFSET in the #if, but

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TLS_TCB_SIZE == 0 ?: in the DESC macro.
This commit is contained in:
Roland McGrath 2004-03-14 03:40:12 +00:00
parent 6964ccb2fe
commit 743fa97cdd
3 changed files with 15 additions and 9 deletions
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5
linuxthreads_db/ChangeLog
View File

@ -1,3 +1,8 @@
2004-03-13 Jakub Jelinek <jakub@redhat.com>
* td_thr_tlsbase.c: Remove dl-tls.h include. Don't use
TLS_TP_OFFSET in the #if, but TLS_TCB_SIZE == 0 ?:.
2004-03-12 Roland McGrath <roland@redhat.com>
* td_thr_tlsbase.c [TLS_DTV_AT_TP && TLS_TP_OFFSET > 0]: Handle this

14
linuxthreads_db/td_thr_tlsbase.c
View File

@ -18,7 +18,6 @@
02111-1307 USA. */
#include "thread_dbP.h"
#include <dl-tls.h>
/* Value used for dtv entries for which the allocation is delayed. */
# define TLS_DTV_UNALLOCATED ((void *) -1l)
@ -39,15 +38,12 @@ 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);
/* Special case hack. If TLS_TCB_SIZE == 0 (on 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 + offsetof (tcbhead_t, dtv)
- (TLS_TCB_SIZE == 0 ? sizeof (tcbhead_t) : 0);
#else
# error "Either TLS_TCB_AT_TP or TLS_DTV_AT_TP must be defined."
#endif

5
nptl_db/ChangeLog
View File

@ -1,3 +1,8 @@
2004-03-13 Jakub Jelinek <jakub@redhat.com>
* db_info.c: Don't use TLS_TP_OFFSET in the #if, but
TLS_TCB_SIZE == 0 ?: in the DESC macro.
2004-03-12 Roland McGrath <roland@redhat.com>
* db_info.c [TLS_DTV_AT_TP && TLS_TP_OFFSET > 0]