elf: Consolidate machine-agnostic DTV definitions in <dl-dtv.h>

Identical definitions of dtv_t and TLS_DTV_UNALLOCATED were
repeated for all architectures using DTVs.

35 files changed, 107 insertions, 241 deletions

diff --git a/ChangeLog b/ChangeLog
index 79fa583cd7..3408f9c28a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,55 @@
+2016-06-20  Florian Weimer  <fweimer@redhat.com>
+
+	Consolidate machine-agnostic DTV definitions in <dl-dtv.h>.
+	* sysdeps/generic/dl-dtv.h: New file.
+	* sysdeps/aarch64/dl-tls.h (TLS_DTV_UNALLOCATED): Remove.
+	* sysdeps/aarch64/nptl/tls.h: Include <dl-dtv.h>.
+	(dtv_t): Remove.
+	* sysdeps/alpha/dl-tls.h (TLS_DTV_UNALLOCATED): Remove.
+	* sysdeps/alpha/nptl/tls.h: Include <dl-dtv.h>.
+	(dtv_t): Remove.
+	* sysdeps/arm/dl-tls.h (TLS_DTV_UNALLOCATED): Remove.
+	* sysdeps/arm/nptl/tls.h: Include <dl-dtv.h>.
+	(dtv_t): Remove.
+	* sysdeps/hppa/dl-tls.h (TLS_DTV_UNALLOCATED): Remove.
+	* sysdeps/hppa/nptl/tls.h: Include <dl-dtv.h>.
+	(dtv_t): Remove.
+	* sysdeps/i386/dl-tls.h (TLS_DTV_UNALLOCATED): Remove.
+	* sysdeps/i386/nptl/tls.h: Include <dl-dtv.h>.
+	(dtv_t): Remove.
+	* sysdeps/ia64/dl-tls.h (TLS_DTV_UNALLOCATED): Remove.
+	* sysdeps/ia64/nptl/tls.h: Include <dl-dtv.h>.
+	(dtv_t): Remove.
+	* sysdeps/m68k/dl-tls.h (TLS_DTV_UNALLOCATED): Remove.
+	* sysdeps/m68k/nptl/tls.h: Include <dl-dtv.h>.
+	(dtv_t): Remove.
+	* sysdeps/mach/hurd/i386/tls.h: Include <dl-dtv.h>.
+	(dtv_t): Remove.
+	* sysdeps/microblaze/dl-tls.h (TLS_DTV_UNALLOCATED): Remove.
+	* sysdeps/microblaze/nptl/tls.h: Include <dl-dtv.h>.
+	(dtv_t): Remove.
+	* sysdeps/mips/dl-tls.h (TLS_DTV_UNALLOCATED): Remove.
+	* sysdeps/mips/nptl/tls.h: Include <dl-dtv.h>.
+	(dtv_t): Remove.
+	* sysdeps/nios2/dl-tls.h (TLS_DTV_UNALLOCATED): Remove.
+	* sysdeps/nios2/nptl/tls.h: Include <dl-dtv.h>.
+	(dtv_t): Remove.
+	* sysdeps/powerpc/dl-tls.h (TLS_DTV_UNALLOCATED): Remove.
+	* sysdeps/powerpc/nptl/tls.h: Include <dl-dtv.h>.
+	(dtv_t): Remove.
+	* sysdeps/s390/dl-tls.h (TLS_DTV_UNALLOCATED): Remove.
+	* sysdeps/s390/nptl/tls.h: Include <dl-dtv.h>.
+	(dtv_t): Remove.
+	* sysdeps/sh/dl-tls.h (TLS_DTV_UNALLOCATED): Remove.
+	* sysdeps/sh/nptl/tls.h: Include <dl-dtv.h>.
+	(dtv_t): Remove.
+	* sysdeps/sparc/dl-tls.h (TLS_DTV_UNALLOCATED): Remove.
+	* sysdeps/sparc/nptl/tls.h: Include <dl-dtv.h>.
+	(dtv_t): Remove.
+	* sysdeps/x86_64/dl-tls.h (TLS_DTV_UNALLOCATED): Remove.
+	* sysdeps/x86_64/nptl/tls.h: Include <dl-dtv.h>.
+	(dtv_t): Remove.
+
 2016-04-14  Florian Weimer  <fweimer@redhat.com>
 
 	[BZ #19431]
diff --git a/sysdeps/aarch64/dl-tls.h b/sysdeps/aarch64/dl-tls.h
index 2465716542..9a7d716cdd 100644
--- a/sysdeps/aarch64/dl-tls.h
+++ b/sysdeps/aarch64/dl-tls.h
@@ -25,6 +25,3 @@ typedef struct
 
 
 extern void *__tls_get_addr (tls_index *ti);
-
-/* Value used for dtv entries for which the allocation is delayed.  */
-#define TLS_DTV_UNALLOCATED ((void *) -1l)
diff --git a/sysdeps/aarch64/nptl/tls.h b/sysdeps/aarch64/nptl/tls.h
index 1e3904eafb..10b82cf120 100644
--- a/sysdeps/aarch64/nptl/tls.h
+++ b/sysdeps/aarch64/nptl/tls.h
@@ -25,17 +25,7 @@
 # include <stdbool.h>
 # include <stddef.h>
 # include <stdint.h>
-
-/* Type for the dtv.  */
-typedef union dtv
-{
-  size_t counter;
-  struct
-  {
-    void *val;
-    bool is_static;
-  } pointer;
-} dtv_t;
+# include <dl-dtv.h>
 
 #else /* __ASSEMBLER__ */
 # include <tcb-offsets.h>
diff --git a/sysdeps/alpha/dl-tls.h b/sysdeps/alpha/dl-tls.h
index 5cdd439ef9..eb0126ca82 100644
--- a/sysdeps/alpha/dl-tls.h
+++ b/sysdeps/alpha/dl-tls.h
@@ -25,6 +25,3 @@ typedef struct
 } tls_index;
 
 extern void *__tls_get_addr (tls_index *ti);
-
-/* Value used for dtv entries for which the allocation is delayed.  */
-#define TLS_DTV_UNALLOCATED	((void *) -1l)
diff --git a/sysdeps/alpha/nptl/tls.h b/sysdeps/alpha/nptl/tls.h
index 4eddf40eee..2b360e9d90 100644
--- a/sysdeps/alpha/nptl/tls.h
+++ b/sysdeps/alpha/nptl/tls.h
@@ -25,17 +25,7 @@
 # include <stdbool.h>
 # include <stddef.h>
 # include <stdint.h>
-
-/* Type for the dtv.  */
-typedef union dtv
-{
-  size_t counter;
-  struct
-  {
-    void *val;
-    bool is_static;
-  } pointer;
-} dtv_t;
+# include <dl-dtv.h>
 
 /* Get system call information.  */
 # include <sysdep.h>
diff --git a/sysdeps/arm/dl-tls.h b/sysdeps/arm/dl-tls.h
index 30599bb1be..0e716e5694 100644
--- a/sysdeps/arm/dl-tls.h
+++ b/sysdeps/arm/dl-tls.h
@@ -26,6 +26,3 @@ typedef struct dl_tls_index
 
 
 extern void *__tls_get_addr (tls_index *ti);
-
-/* Value used for dtv entries for which the allocation is delayed.  */
-#define TLS_DTV_UNALLOCATED	((void *) -1l)
diff --git a/sysdeps/arm/nptl/tls.h b/sysdeps/arm/nptl/tls.h
index 27ea00601e..f69ed1bcfd 100644
--- a/sysdeps/arm/nptl/tls.h
+++ b/sysdeps/arm/nptl/tls.h
@@ -25,17 +25,7 @@
 # include <stdbool.h>
 # include <stddef.h>
 # include <stdint.h>
-
-/* Type for the dtv.  */
-typedef union dtv
-{
-  size_t counter;
-  struct
-  {
-    void *val;
-    bool is_static;
-  } pointer;
-} dtv_t;
+# include <dl-dtv.h>
 
 #else /* __ASSEMBLER__ */
 # include <tcb-offsets.h>
diff --git a/sysdeps/generic/dl-dtv.h b/sysdeps/generic/dl-dtv.h
new file mode 100644
index 0000000000..36c5c58cdd
--- /dev/null
+++ b/sysdeps/generic/dl-dtv.h
@@ -0,0 +1,36 @@
+/* Generic declarations for DTV-based TLS handling in the dynamic linker.
+   Copyright (C) 2002-2016 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
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef _DL_DTV_H
+#define _DL_DTV_H
+
+/* Type for the dtv.  */
+typedef union dtv
+{
+  size_t counter;
+  struct
+  {
+    void *val;
+    bool is_static;
+  } pointer;
+} dtv_t;
+
+/* Value used for dtv entries for which the allocation is delayed.  */
+#define TLS_DTV_UNALLOCATED ((void *) -1l)
+
+#endif /* _DLT_DTV_H */
diff --git a/sysdeps/hppa/dl-tls.h b/sysdeps/hppa/dl-tls.h
index bf0b2a463d..e9eda9f582 100644
--- a/sysdeps/hppa/dl-tls.h
+++ b/sysdeps/hppa/dl-tls.h
@@ -26,6 +26,3 @@ typedef struct
 
 
 extern void *__tls_get_addr (tls_index *ti);
-
-/* Value used for dtv entries for which the allocation is delayed.  */
-#define TLS_DTV_UNALLOCATED	((void *) -1l)
diff --git a/sysdeps/hppa/nptl/tls.h b/sysdeps/hppa/nptl/tls.h
index ab271cf241..5ac6e63dd1 100644
--- a/sysdeps/hppa/nptl/tls.h
+++ b/sysdeps/hppa/nptl/tls.h
@@ -25,17 +25,7 @@
 # include <stdbool.h>
 # include <stddef.h>
 # include <stdint.h>
-
-/* Type for the dtv.  */
-typedef union dtv
-{
-  size_t counter;
-  struct
-  {
-    void *val;
-    bool is_static;
-  } pointer;
-} dtv_t;
+# include <dl-dtv.h>
 
 #else /* __ASSEMBLER__ */
 # include <tcb-offsets.h>
diff --git a/sysdeps/i386/dl-tls.h b/sysdeps/i386/dl-tls.h
index f8e108f730..9072327957 100644
--- a/sysdeps/i386/dl-tls.h
+++ b/sysdeps/i386/dl-tls.h
@@ -59,6 +59,3 @@ rtld_hidden_def (___tls_get_addr)
 
 # endif
 #endif
-
-/* Value used for dtv entries for which the allocation is delayed.  */
-#define TLS_DTV_UNALLOCATED	((void *) -1l)
diff --git a/sysdeps/i386/nptl/tls.h b/sysdeps/i386/nptl/tls.h
index 40f84ef4f7..5f6c3d7f21 100644
--- a/sysdeps/i386/nptl/tls.h
+++ b/sysdeps/i386/nptl/tls.h
@@ -28,19 +28,7 @@
 # include <sysdep.h>
 # include <libc-internal.h>
 # include <kernel-features.h>
-
-
-/* Type for the dtv.  */
-typedef union dtv
-{
-  size_t counter;
-  struct
-  {
-    void *val;
-    bool is_static;
-  } pointer;
-} dtv_t;
-
+# include <dl-dtv.h>
 
 typedef struct
 {
diff --git a/sysdeps/ia64/dl-tls.h b/sysdeps/ia64/dl-tls.h
index a36d990878..e9bb0ca612 100644
--- a/sysdeps/ia64/dl-tls.h
+++ b/sysdeps/ia64/dl-tls.h
@@ -28,6 +28,3 @@
 #define DONT_USE_TLS_INDEX	1
 
 extern void *__tls_get_addr (size_t m, size_t offset);
-
-/* Value used for dtv entries for which the allocation is delayed.  */
-#define TLS_DTV_UNALLOCATED	((void *) -1l)
diff --git a/sysdeps/ia64/nptl/tls.h b/sysdeps/ia64/nptl/tls.h
index 1668fd4ca9..65226d77ca 100644
--- a/sysdeps/ia64/nptl/tls.h
+++ b/sysdeps/ia64/nptl/tls.h
@@ -26,19 +26,7 @@
 # include <stdint.h>
 # include <stdlib.h>
 # include <list.h>
-
-
-/* Type for the dtv.  */
-typedef union dtv
-{
-  size_t counter;
-  struct
-  {
-    void *val;
-    bool is_static;
-  } pointer;
-} dtv_t;
-
+# include <dl-dtv.h>
 
 typedef struct
 {
diff --git a/sysdeps/m68k/dl-tls.h b/sysdeps/m68k/dl-tls.h
index 82ff78c36c..fab9f0ad14 100644
--- a/sysdeps/m68k/dl-tls.h
+++ b/sysdeps/m68k/dl-tls.h
@@ -45,6 +45,3 @@ extern void *__tls_get_addr (tls_index *ti);
 
 #define GET_ADDR_OFFSET		(ti->ti_offset + TLS_DTV_OFFSET)
 #define __TLS_GET_ADDR(__ti)	(__tls_get_addr (__ti) - TLS_DTV_OFFSET)
-
-/* Value used for dtv entries for which the allocation is delayed.  */
-#define TLS_DTV_UNALLOCATED	((void *) -1l)
diff --git a/sysdeps/m68k/nptl/tls.h b/sysdeps/m68k/nptl/tls.h
index 93bc1ad080..703d368e92 100644
--- a/sysdeps/m68k/nptl/tls.h
+++ b/sysdeps/m68k/nptl/tls.h
@@ -26,17 +26,7 @@
 # include <stdbool.h>
 # include <stddef.h>
 # include <stdint.h>
-
-/* Type for the dtv.  */
-typedef union dtv
-{
-  size_t counter;
-  struct
-  {
-    void *val;
-    bool is_static;
-  } pointer;
-} dtv_t;
+# include <dl-dtv.h>
 
 #else /* __ASSEMBLER__ */
 # include <tcb-offsets.h>
diff --git a/sysdeps/mach/hurd/i386/tls.h b/sysdeps/mach/hurd/i386/tls.h
index ca68d1cfde..34564ae465 100644
--- a/sysdeps/mach/hurd/i386/tls.h
+++ b/sysdeps/mach/hurd/i386/tls.h
@@ -25,17 +25,7 @@
 
 
 #ifndef __ASSEMBLER__
-/* Type for the dtv.  */
-typedef union dtv
-{
-  size_t counter;
-  struct
-  {
-    void *val;
-    bool is_static;
-  } pointer;
-} dtv_t;
-
+# include <dl-dtv.h>
 
 /* Type of the TCB.  */
 typedef struct
diff --git a/sysdeps/microblaze/dl-tls.h b/sysdeps/microblaze/dl-tls.h
index 704ad25952..9f0f49111d 100644
--- a/sysdeps/microblaze/dl-tls.h
+++ b/sysdeps/microblaze/dl-tls.h
@@ -24,6 +24,3 @@ typedef struct
 } tls_index;
 
 extern void *__tls_get_addr (tls_index *ti);
-
-/* Value used for dtv entries for which the allocation is delayed.  */
-#define TLS_DTV_UNALLOCATED	((void *) -1l)
diff --git a/sysdeps/microblaze/nptl/tls.h b/sysdeps/microblaze/nptl/tls.h
index 171a745db9..42d2c4bcd4 100644
--- a/sysdeps/microblaze/nptl/tls.h
+++ b/sysdeps/microblaze/nptl/tls.h
@@ -25,17 +25,7 @@
 # include <stdbool.h>
 # include <stddef.h>
 # include <stdint.h>
-
-/* Type for the dtv.  */
-typedef union dtv
-{
-  size_t counter;
-  struct
-  {
-    void *val;
-    bool is_static;
-  } pointer;
-} dtv_t;
+# include <dl-dtv.h>
 
 #else /* __ASSEMBLER__ */
 # include <tcb-offsets.h>
diff --git a/sysdeps/mips/dl-tls.h b/sysdeps/mips/dl-tls.h
index 54dc71190c..58d968ff35 100644
--- a/sysdeps/mips/dl-tls.h
+++ b/sysdeps/mips/dl-tls.h
@@ -43,6 +43,3 @@ extern void *__tls_get_addr (tls_index *ti);
 
 # define GET_ADDR_OFFSET	(ti->ti_offset + TLS_DTV_OFFSET)
 # define __TLS_GET_ADDR(__ti)	(__tls_get_addr (__ti) - TLS_DTV_OFFSET)
-
-/* Value used for dtv entries for which the allocation is delayed.  */
-#define TLS_DTV_UNALLOCATED	((void *) -1l)
diff --git a/sysdeps/mips/nptl/tls.h b/sysdeps/mips/nptl/tls.h
index ef1145779d..95f8d33a2e 100644
--- a/sysdeps/mips/nptl/tls.h
+++ b/sysdeps/mips/nptl/tls.h
@@ -25,17 +25,10 @@
 # include <stdbool.h>
 # include <stddef.h>
 # include <stdint.h>
+# include <dl-dtv.h>
 
-/* Type for the dtv.  */
-typedef union dtv
-{
-  size_t counter;
-  struct
-  {
-    void *val;
-    bool is_static;
-  } pointer;
-} dtv_t;
+/* Get system call information.  */
+# include <sysdep.h>
 
 #ifdef __mips16
 /* MIPS16 uses GCC builtin to access the TP.  */
diff --git a/sysdeps/nios2/dl-tls.h b/sysdeps/nios2/dl-tls.h
index 541e4b012e..65a9cc8506 100644
--- a/sysdeps/nios2/dl-tls.h
+++ b/sysdeps/nios2/dl-tls.h
@@ -43,6 +43,3 @@ extern void *__tls_get_addr (tls_index *ti);
 
 # define GET_ADDR_OFFSET	(ti->ti_offset + TLS_DTV_OFFSET)
 # define __TLS_GET_ADDR(__ti)	(__tls_get_addr (__ti) - TLS_DTV_OFFSET)
-
-/* Value used for dtv entries for which the allocation is delayed.  */
-#define TLS_DTV_UNALLOCATED	((void *) -1l)
diff --git a/sysdeps/nios2/nptl/tls.h b/sysdeps/nios2/nptl/tls.h
index 465a4b9134..3fd8b32f80 100644
--- a/sysdeps/nios2/nptl/tls.h
+++ b/sysdeps/nios2/nptl/tls.h
@@ -25,17 +25,7 @@
 # include <stdbool.h>
 # include <stddef.h>
 # include <stdint.h>
-
-/* Type for the dtv.  */
-typedef union dtv
-{
-  size_t counter;
-  struct
-  {
-    void *val;
-    bool is_static;
-  } pointer;
-} dtv_t;
+# include <dl-dtv.h>
 
 #else /* __ASSEMBLER__ */
 # include <tcb-offsets.h>
diff --git a/sysdeps/powerpc/dl-tls.h b/sysdeps/powerpc/dl-tls.h
index 4e3e93a84d..cc0771aa43 100644
--- a/sysdeps/powerpc/dl-tls.h
+++ b/sysdeps/powerpc/dl-tls.h
@@ -49,7 +49,4 @@ extern void *__tls_get_addr (tls_index *ti);
 # define __TLS_GET_ADDR(__ti)	(__tls_get_addr (__ti) - TLS_DTV_OFFSET)
 #endif
 
-/* Value used for dtv entries for which the allocation is delayed.  */
-#define TLS_DTV_UNALLOCATED	((void *) -1l)
-
 #endif /* dl-tls.h */
diff --git a/sysdeps/powerpc/nptl/tls.h b/sysdeps/powerpc/nptl/tls.h
index 1f3d97a995..93d001151c 100644
--- a/sysdeps/powerpc/nptl/tls.h
+++ b/sysdeps/powerpc/nptl/tls.h
@@ -25,17 +25,7 @@
 # include <stdbool.h>
 # include <stddef.h>
 # include <stdint.h>
-
-/* Type for the dtv.  */
-typedef union dtv
-{
-  size_t counter;
-  struct
-  {
-    void *val;
-    bool is_static;
-  } pointer;
-} dtv_t;
+# include <dl-dtv.h>
 
 #else /* __ASSEMBLER__ */
 # include <tcb-offsets.h>
diff --git a/sysdeps/s390/dl-tls.h b/sysdeps/s390/dl-tls.h
index 8132b10ab5..98262b2b62 100644
--- a/sysdeps/s390/dl-tls.h
+++ b/sysdeps/s390/dl-tls.h
@@ -102,6 +102,3 @@ extern void *__tls_get_addr_internal (tls_index *ti);
       + (unsigned long) __builtin_thread_pointer (); })
 
 #endif
-
-/* Value used for dtv entries for which the allocation is delayed.  */
-#define TLS_DTV_UNALLOCATED	((void *) -1l)
diff --git a/sysdeps/s390/nptl/tls.h b/sysdeps/s390/nptl/tls.h
index e6f8a47ecc..4a5638e589 100644
--- a/sysdeps/s390/nptl/tls.h
+++ b/sysdeps/s390/nptl/tls.h
@@ -27,19 +27,7 @@
 # include <stdlib.h>
 # include <list.h>
 # include <kernel-features.h>
-
-
-/* Type for the dtv.  */
-typedef union dtv
-{
-  size_t counter;
-  struct
-  {
-    void *val;
-    bool is_static;
-  } pointer;
-} dtv_t;
-
+# include <dl-dtv.h>
 
 typedef struct
 {
diff --git a/sysdeps/sh/dl-tls.h b/sysdeps/sh/dl-tls.h
index 2b6d57356d..2b2bbabe70 100644
--- a/sysdeps/sh/dl-tls.h
+++ b/sysdeps/sh/dl-tls.h
@@ -26,6 +26,3 @@ typedef struct
 
 
 extern void *__tls_get_addr (tls_index *ti);
-
-/* Value used for dtv entries for which the allocation is delayed.  */
-#define TLS_DTV_UNALLOCATED	((void *) -1l)
diff --git a/sysdeps/sh/nptl/tls.h b/sysdeps/sh/nptl/tls.h
index 9615a76e3e..4421910554 100644
--- a/sysdeps/sh/nptl/tls.h
+++ b/sysdeps/sh/nptl/tls.h
@@ -28,17 +28,7 @@
 # include <stdlib.h>
 # include <list.h>
 # include <sysdep.h>
-
-/* Type for the dtv.  */
-typedef union dtv
-{
-  size_t counter;
-  struct
-  {
-    void *val;
-    bool is_static;
-  } pointer;
-} dtv_t;
+# include <dl-dtv.h>
 
 typedef struct
 {
diff --git a/sysdeps/sparc/dl-tls.h b/sysdeps/sparc/dl-tls.h
index 9fbe90934c..0c0ca061ee 100644
--- a/sysdeps/sparc/dl-tls.h
+++ b/sysdeps/sparc/dl-tls.h
@@ -26,6 +26,3 @@ typedef struct
 
 
 extern void *__tls_get_addr (tls_index *ti);
-
-/* Value used for dtv entries for which the allocation is delayed.  */
-#define TLS_DTV_UNALLOCATED	((void *) -1l)
diff --git a/sysdeps/sparc/nptl/tls.h b/sysdeps/sparc/nptl/tls.h
index 54bce7e950..9c0c5158b1 100644
--- a/sysdeps/sparc/nptl/tls.h
+++ b/sysdeps/sparc/nptl/tls.h
@@ -27,17 +27,7 @@
 # include <stdlib.h>
 # include <list.h>
 # include <kernel-features.h>
-
-/* Type for the dtv.  */
-typedef union dtv
-{
-  size_t counter;
-  struct
-  {
-    void *val;
-    bool is_static;
-  } pointer;
-} dtv_t;
+# include <dl-dtv.h>
 
 typedef struct
 {
diff --git a/sysdeps/tile/dl-tls.h b/sysdeps/tile/dl-tls.h
index 16c5a43384..b66cc08666 100644
--- a/sysdeps/tile/dl-tls.h
+++ b/sysdeps/tile/dl-tls.h
@@ -40,6 +40,3 @@ extern void *__tls_get_addr (tls_index *ti);
 /* Compute the value for a DTPREL reloc.  */
 #define TLS_DTPREL_VALUE(sym) \
   ((sym)->st_value - TLS_DTV_OFFSET)
-
-/* Value used for dtv entries for which the allocation is delayed.  */
-#define TLS_DTV_UNALLOCATED    ((void *) -1l)
diff --git a/sysdeps/tile/nptl/tls.h b/sysdeps/tile/nptl/tls.h
index 08e1d54346..9ab195f6f2 100644
--- a/sysdeps/tile/nptl/tls.h
+++ b/sysdeps/tile/nptl/tls.h
@@ -25,17 +25,7 @@
 # include <stdbool.h>
 # include <stddef.h>
 # include <stdint.h>
-
-/* Type for the dtv.  */
-typedef union dtv
-{
-  size_t counter;
-  struct
-  {
-    void *val;
-    bool is_static;
-  } pointer;
-} dtv_t;
+# include <dl-dtv.h>
 
 #else /* __ASSEMBLER__ */
 # include <tcb-offsets.h>
diff --git a/sysdeps/x86_64/dl-tls.h b/sysdeps/x86_64/dl-tls.h
index 285799b674..eba9993f9d 100644
--- a/sysdeps/x86_64/dl-tls.h
+++ b/sysdeps/x86_64/dl-tls.h
@@ -27,6 +27,3 @@ typedef struct dl_tls_index
 
 
 extern void *__tls_get_addr (tls_index *ti);
-
-/* Value used for dtv entries for which the allocation is delayed.  */
-#define TLS_DTV_UNALLOCATED	((void *) -1l)
diff --git a/sysdeps/x86_64/nptl/tls.h b/sysdeps/x86_64/nptl/tls.h
index b947d57447..0672348efd 100644
--- a/sysdeps/x86_64/nptl/tls.h
+++ b/sysdeps/x86_64/nptl/tls.h
@@ -28,6 +28,7 @@
 # include <sysdep.h>
 # include <libc-internal.h>
 # include <kernel-features.h>
+# include <dl-dtv.h>
 
 /* Replacement type for __m128 since this file is included by ld.so,
    which is compiled with -mno-sse.  It must not change the alignment
@@ -38,18 +39,6 @@ typedef struct
 } __128bits;
 
 
-/* Type for the dtv.  */
-typedef union dtv
-{
-  size_t counter;
-  struct
-  {
-    void *val;
-    bool is_static;
-  } pointer;
-} dtv_t;
-
-
 typedef struct
 {
   void *tcb;		/* Pointer to the TCB.  Not necessarily the