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authorRoland McGrath <roland@gnu.org>2004-03-14 03:40:12 +0000
committerRoland McGrath <roland@gnu.org>2004-03-14 03:40:12 +0000
commit743fa97cdd26b39d2031ec44e01dae8a63a37a4b (patch)
tree91499951688f1a73c0632d195562ad20de8a4857 /linuxthreads_db/td_thr_tlsbase.c
parent6964ccb2fea295bb7c30959146b0260c059f6a35 (diff)
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* db_info.c: Don't use TLS_TP_OFFSET in the #if, but
	TLS_TCB_SIZE == 0 ?: in the DESC macro.
Diffstat (limited to 'linuxthreads_db/td_thr_tlsbase.c')
-rw-r--r--linuxthreads_db/td_thr_tlsbase.c14
1 files changed, 5 insertions, 9 deletions
diff --git a/linuxthreads_db/td_thr_tlsbase.c b/linuxthreads_db/td_thr_tlsbase.c
index d3e6d366bb..081e8d0e70 100644
--- a/linuxthreads_db/td_thr_tlsbase.c
+++ b/linuxthreads_db/td_thr_tlsbase.c
@@ -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