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-rw-r--r--nptl/sysdeps/powerpc/tls.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/nptl/sysdeps/powerpc/tls.h b/nptl/sysdeps/powerpc/tls.h
index 6573bb6b04..02595637c7 100644
--- a/nptl/sysdeps/powerpc/tls.h
+++ b/nptl/sysdeps/powerpc/tls.h
@@ -129,6 +129,13 @@ register void *__thread_register __asm__ ("r13");
     ((struct pthread *) (__thread_register \
 			 - TLS_TCB_OFFSET - TLS_PRE_TCB_SIZE))
 
+/* Magic for libthread_db to know how to do THREAD_SELF.  */
+# define DB_THREAD_SELF							      \
+  REGISTER (32, PT_THREAD_POINTER * 4,					      \
+	    - TLS_TCB_OFFSET - TLS_PRE_TCB_SIZE)			      \
+  REGISTER (64, PT_THREAD_POINTER * 8,					      \
+	    - TLS_TCB_OFFSET - TLS_PRE_TCB_SIZE)
+
 /* Read member of the thread descriptor directly.  */
 # define THREAD_GETMEM(descr, member) ((void)(descr), (THREAD_SELF)->member)