diff options
Diffstat (limited to 'nptl_db')
| -rw-r--r-- | nptl_db/db_info.c | 16 |
1 files changed, 5 insertions, 11 deletions
diff --git a/nptl_db/db_info.c b/nptl_db/db_info.c index 6ffe8bb058..5000b99ba5 100644 --- a/nptl_db/db_info.c +++ b/nptl_db/db_info.c @@ -53,19 +53,13 @@ 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. */ +/* 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. */ DESC (_thread_db_pthread_dtvp, - TLS_PRE_TCB_SIZE + offsetof (tcbhead_t, dtv), union dtv) + TLS_PRE_TCB_SIZE + offsetof (tcbhead_t, dtv) + - (TLS_TCB_SIZE == 0 ? sizeof (tcbhead_t) : 0), union dtv) #endif |