S390: Get rid of linknamespace failures for string functions.

16 files changed, 142 insertions, 80 deletions

diff --git a/ChangeLog b/ChangeLog
index a410620..15e004f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,65 @@
+2015-01-16  Stefan Liebler  <stli@linux.vnet.ibm.com>
+
+	[BZ #17848]
+	* sysdeps/s390/s390-32/memcmp.S
+	(memcmp_g5): Rename to __memcmp_g5.
+	* sysdeps/s390/s390-32/memcpy.S
+	(memcpy_g5): Rename to __memcpy_g5.
+	Jump to __memcpy_mvcle instead of memcpy_mvcle.
+	(memcpy_mvcle) Rename to __memcpy_mvcle.
+	* sysdeps/s390/s390-32/memset.S
+	(memset_g5): Rename to __memset_g5.
+	* sysdeps/s390/s390-32/multiarch/ifunc-resolve.c
+	(IFUNC_RESOLVE): Prefix ifunc-resolve function
+	and use prefixed functions.
+	* sysdeps/s390/s390-32/multiarch/memcmp.S
+	(memcmp_z196): Rename to __memcmp_z196.
+	(memcmp_z10): Rename to __memcmp_z10.
+	(memcmp): Set alias to __memcmp_g5.
+	(bcmp): Set alias to __memcmp_g5.
+	* sysdeps/s390/s390-32/multiarch/memcpy.S
+	(memcpy_z196): Rename to __memcpy_z196.
+	Jump to __memcpy_mvcle instead of memcpy_mvcle.
+	(memcpy_z10): Rename to __memcpy_z10.
+	Jump to __memcpy_mvcle instead of memcpy_mvcle.
+	(memcpy): Set alias to __memcpy_g5.
+	* sysdeps/s390/s390-32/multiarch/memset.S
+	(memset_z196): Rename to __memset_z196.
+	Jump to __memset_mvcle instead of memset_mvcle.
+	(memset_z10): Rename to __memset_z10.
+	Jump to __memset_mvcle instead of memset_mvcle.
+	(memset_mvcle) Rename to __memset_mvcle.
+	(memset): Set alias to __memset_g5.
+	* sysdeps/s390/s390-64/memcmp.S
+	(memcmp_z900): Rename to __memcmp_z900.
+	* sysdeps/s390/s390-64/memcpy.S
+	(memcpy_z900): Rename to __memcpy_z900.
+	Jump to __memcpy_mvcle instead of memcpy_mvcle.
+	(memcpy_mvcle) Rename to __memcpy_mvcle.
+	* sysdeps/s390/s390-64/memset.S
+	(memset_z900): Rename to __memset_z900.
+	* sysdeps/s390/s390-64/multiarch/ifunc-resolve.c
+	(IFUNC_RESOLVE): Prefix ifunc-resolve function
+	and use prefixed functions.
+	* sysdeps/s390/s390-64/multiarch/memcmp.S
+	(memcmp_z196): Rename to __memcmp_z196.
+	(memcmp_z10): Rename to __memcmp_z10.
+	(memcmp): Set alias to __memcmp_z900.
+	(bcmp): Set alias to __memcmp_z900.
+	* sysdeps/s390/s390-64/multiarch/memcpy.S
+	(memcpy_z196): Rename to __memcpy_z196.
+	Jump to __memcpy_mvcle instead of memcpy_mvcle.
+	(memcpy_z10): Rename to __memcpy_z10.
+	Jump to __memcpy_mvcle instead of memcpy_mvcle.
+	(memcpy): Set alias to __memcpy_z900.
+	* sysdeps/s390/s390-64/multiarch/memset.S
+	(memset_z196): Rename to __memset_z196.
+	Jump to __memset_mvcle instead of memset_mvcle.
+	(memset_z10): Rename to __memset_z10.
+	Jump to __memset_mvcle instead of memset_mvcle.
+	(memset_mvcle) Rename to __memset_mvcle.
+	(memset): Set alias to __memset_z900.
+
 2015-01-14  Joseph Myers  <joseph@codesourcery.com>
 
 	[BZ #17748]
diff --git a/NEWS b/NEWS
index 3bdc96a..d908425 100644
--- a/NEWS
+++ b/NEWS
@@ -17,7 +17,7 @@ Version 2.21
   17630, 17633, 17634, 17635, 17647, 17653, 17657, 17658, 17664, 17665,
   17668, 17682, 17717, 17719, 17722, 17723, 17724, 17725, 17732, 17733,
   17744, 17745, 17746, 17747, 17748, 17775, 17777, 17780, 17781, 17782,
-  17791, 17793, 17796, 17797, 17803, 17806, 17834
+  17791, 17793, 17796, 17797, 17803, 17806, 17834, 17848
 
 * Optimized strcpy, stpcpy, strncpy, stpncpy, strcmp, and strncmp
   implementations for powerpc64/powerpc64le.
diff --git a/sysdeps/s390/s390-32/memcmp.S b/sysdeps/s390/s390-32/memcmp.S
index 191ff5b..93f06d5 100644
--- a/sysdeps/s390/s390-32/memcmp.S
+++ b/sysdeps/s390/s390-32/memcmp.S
@@ -27,7 +27,7 @@
 
        .text
 #ifdef USE_MULTIARCH
-ENTRY(memcmp_g5)
+ENTRY(__memcmp_g5)
 #else
 ENTRY(memcmp)
 #endif
@@ -58,7 +58,7 @@ ENTRY(memcmp)
 .L_G5_17:
         clc     0(1,%r3),0(%r2)
 #ifdef USE_MULTIARCH
-END(memcmp_g5)
+END(__memcmp_g5)
 #else
 END(memcmp)
 libc_hidden_builtin_def (memcmp)
diff --git a/sysdeps/s390/s390-32/memcpy.S b/sysdeps/s390/s390-32/memcpy.S
index d088625..f26fd00 100644
--- a/sysdeps/s390/s390-32/memcpy.S
+++ b/sysdeps/s390/s390-32/memcpy.S
@@ -26,7 +26,7 @@
      %r4 = number of bytes to copy.  */
 
 #ifdef USE_MULTIARCH
-ENTRY(memcpy_g5)
+ENTRY(__memcpy_g5)
 #else
 ENTRY(memcpy)
 #endif
@@ -49,7 +49,7 @@ ENTRY(memcpy)
         br      %r14
 .L_G5_13:
         chi	%r5,4096             # Switch to mvcle for copies >1MB
-        jh	memcpy_mvcle
+        jh	__memcpy_mvcle
 .L_G5_12:
         mvc     0(256,%r1),0(%r3)
         la      %r1,256(%r1)
@@ -60,13 +60,13 @@ ENTRY(memcpy)
 .L_G5_17:
         mvc     0(1,%r1),0(%r3)
 #ifdef USE_MULTIARCH
-END(memcpy_g5)
+END(__memcpy_g5)
 #else
 END(memcpy)
 libc_hidden_builtin_def (memcpy)
 #endif
 
-ENTRY(memcpy_mvcle)
+ENTRY(__memcpy_mvcle)
        # Using as standalone function will result in unexpected
        # results since the length field is incremented by 1 in order to
        # compensate the changes already done in the functions above.
@@ -79,4 +79,4 @@ ENTRY(memcpy_mvcle)
        jo      .L_MVCLE_1
        lr      %r2,%r1             # return destination address
        br      %r14
-END(memcpy_mvcle)
+END(__memcpy_mvcle)
diff --git a/sysdeps/s390/s390-32/memset.S b/sysdeps/s390/s390-32/memset.S
index dc7ce0a..0abba61 100644
--- a/sysdeps/s390/s390-32/memset.S
+++ b/sysdeps/s390/s390-32/memset.S
@@ -28,7 +28,7 @@
        .text
 
 #ifdef USE_MULTIARCH
-ENTRY(memset_g5)
+ENTRY(__memset_g5)
 #else
 ENTRY(memset)
 #endif
@@ -58,7 +58,7 @@ ENTRY(memset)
 .L_G5_20:
         mvc     1(1,%r1),0(%r1)
 #ifdef USE_MULTIARCH
-END(memset_g5)
+END(__memset_g5)
 #else
 END(memset)
 libc_hidden_builtin_def (memset)
diff --git a/sysdeps/s390/s390-32/multiarch/ifunc-resolve.c b/sysdeps/s390/s390-32/multiarch/ifunc-resolve.c
index c9abd1b..8e0cdd5 100644
--- a/sysdeps/s390/s390-32/multiarch/ifunc-resolve.c
+++ b/sysdeps/s390/s390-32/multiarch/ifunc-resolve.c
@@ -28,17 +28,17 @@
 #define IFUNC_RESOLVE(FUNC)						\
   asm (".globl " #FUNC "\n\t"						\
        ".type  " #FUNC ",@gnu_indirect_function\n\t"			\
-       ".set   " #FUNC ",resolve_" #FUNC "\n\t"				\
+       ".set   " #FUNC ",__resolve_" #FUNC "\n\t"			\
        ".globl __GI_" #FUNC "\n\t"					\
        ".set   __GI_" #FUNC "," #FUNC "\n");				\
 									\
   /* Make the declarations of the optimized functions hidden in order
      to prevent GOT slots being generated for them. */			\
-  extern void *FUNC##_z196 attribute_hidden;				\
-  extern void *FUNC##_z10 attribute_hidden;				\
-  extern void *FUNC##_g5 attribute_hidden;				\
+  extern void *__##FUNC##_z196 attribute_hidden;			\
+  extern void *__##FUNC##_z10 attribute_hidden;				\
+  extern void *__##FUNC##_g5 attribute_hidden;				\
 									\
-  void *resolve_##FUNC (unsigned long int dl_hwcap)			\
+  void *__resolve_##FUNC (unsigned long int dl_hwcap)			\
   {									\
     if ((dl_hwcap & HWCAP_S390_STFLE)					\
 	&& (dl_hwcap & HWCAP_S390_ZARCH)				\
@@ -53,11 +53,11 @@
 		     : : "cc");						\
 									\
 	if ((stfle_bits & (1ULL << (63 - STFLE_BITS_Z196))) != 0)	\
-	  return &FUNC##_z196;						\
+	  return &__##FUNC##_z196;					\
 	else if ((stfle_bits & (1ULL << (63 - STFLE_BITS_Z10))) != 0)	\
-	  return &FUNC##_z10;						\
+	  return &__##FUNC##_z10;					\
       }									\
-    return &FUNC##_g5;							\
+    return &__##FUNC##_g5;						\
   }
 
 IFUNC_RESOLVE(memset)
diff --git a/sysdeps/s390/s390-32/multiarch/memcmp.S b/sysdeps/s390/s390-32/multiarch/memcmp.S
index 0d97c58..584dc99 100644
--- a/sysdeps/s390/s390-32/multiarch/memcmp.S
+++ b/sysdeps/s390/s390-32/multiarch/memcmp.S
@@ -29,7 +29,7 @@
 
 #if IS_IN (libc)
 
-ENTRY(memcmp_z196)
+ENTRY(__memcmp_z196)
 	.machine "z196"
 	.machinemode "zarch_nohighgprs"
         ltr     %r4,%r4
@@ -61,9 +61,9 @@ ENTRY(memcmp_z196)
         br      %r14
 .L_Z196_14:
         clc     0(1,%r3),0(%r2)
-END(memcmp_z196)
+END(__memcmp_z196)
 
-ENTRY(memcmp_z10)
+ENTRY(__memcmp_z10)
 	.machine "z10"
 	.machinemode "zarch_nohighgprs"
         ltr     %r4,%r4
@@ -90,7 +90,7 @@ ENTRY(memcmp_z10)
         j       .L_Z10_3
 .L_Z10_15:
         clc     0(1,%r3),0(%r2)
-END(memcmp_z10)
+END(__memcmp_z10)
 
 #endif
 
@@ -98,7 +98,7 @@ END(memcmp_z10)
 
 #if !IS_IN (libc)
 .globl   memcmp
-.set     memcmp,memcmp_g5
+.set     memcmp,__memcmp_g5
 .weak    bcmp
-.set	 bcmp,memcmp_g5
+.set	 bcmp,__memcmp_g5
 #endif
diff --git a/sysdeps/s390/s390-32/multiarch/memcpy.S b/sysdeps/s390/s390-32/multiarch/memcpy.S
index 725d868..51f4fcf 100644
--- a/sysdeps/s390/s390-32/multiarch/memcpy.S
+++ b/sysdeps/s390/s390-32/multiarch/memcpy.S
@@ -29,7 +29,7 @@
 
 #if defined SHARED && IS_IN (libc)
 
-ENTRY(memcpy_z196)
+ENTRY(__memcpy_z196)
 	.machine "z196"
 	.machinemode "zarch_nohighgprs"
         llgfr   %r4,%r4
@@ -46,7 +46,7 @@ ENTRY(memcpy_z196)
         br      %r14
 .L_Z196_5:
         cgfi    %r5,262144      # Switch to mvcle for copies >64MB
-        jh      memcpy_mvcle
+        jh      __memcpy_mvcle
 .L_Z196_2:
         pfd     1,768(%r3)
         pfd     2,768(%r1)
@@ -58,9 +58,9 @@ ENTRY(memcpy_z196)
         j       .L_Z196_3
 .L_Z196_14:
         mvc     0(1,%r1),0(%r3)
-END(memcpy_z196)
+END(__memcpy_z196)
 
-ENTRY(memcpy_z10)
+ENTRY(__memcpy_z10)
 	.machine "z10"
 	.machinemode "zarch_nohighgprs"
         llgfr   %r4,%r4
@@ -75,7 +75,7 @@ ENTRY(memcpy_z10)
         br      %r14
 .L_Z10_13:
         cgfi    %r5,65535	# Switch to mvcle for copies >16MB
-        jh      memcpy_mvcle
+        jh      __memcpy_mvcle
 .L_Z10_12:
         pfd     1,768(%r3)
         pfd     2,768(%r1)
@@ -86,7 +86,7 @@ ENTRY(memcpy_z10)
         j       .L_Z10_3
 .L_Z10_15:
         mvc     0(1,%r1),0(%r3)
-END(memcpy_z10)
+END(__memcpy_z10)
 
 #endif
 
@@ -94,5 +94,5 @@ END(memcpy_z10)
 
 #if !defined SHARED || !IS_IN (libc)
 .globl   memcpy
-.set     memcpy,memcpy_g5
+.set     memcpy,__memcpy_g5
 #endif
diff --git a/sysdeps/s390/s390-32/multiarch/memset.S b/sysdeps/s390/s390-32/multiarch/memset.S
index ab97af0..1a7b45f 100644
--- a/sysdeps/s390/s390-32/multiarch/memset.S
+++ b/sysdeps/s390/s390-32/multiarch/memset.S
@@ -29,7 +29,7 @@
 
 #if IS_IN (libc)
 
-ENTRY(memset_z196)
+ENTRY(__memset_z196)
 	.machine "z196"
 	.machinemode "zarch_nohighgprs"
         llgfr   %r4,%r4
@@ -49,7 +49,7 @@ ENTRY(memset_z196)
         br      %r14
 .L_Z196_1:
 	cgfi	%r5,1048576
-	jh	memset_mvcle	   # Switch to mvcle for >256MB
+	jh	__memset_mvcle	   # Switch to mvcle for >256MB
 .L_Z196_2:
         pfd     2,1024(%r1)
         mvc     1(256,%r1),0(%r1)
@@ -59,9 +59,9 @@ ENTRY(memset_z196)
         j       .L_Z196_3
 .L_Z196_17:
         mvc     1(1,%r1),0(%r1)
-END(memset_z196)
+END(__memset_z196)
 
-ENTRY(memset_z10)
+ENTRY(__memset_z10)
 	.machine "z10"
 	.machinemode "zarch_nohighgprs"
         llgfr   %r4,%r4
@@ -78,7 +78,7 @@ ENTRY(memset_z10)
         br      %r14
 .L_Z10_15:
 	cgfi	%r5,163840          # Switch to mvcle for >40MB
-	jh	memset_mvcle
+	jh	__memset_mvcle
 .L_Z10_14:
         pfd     2,1024(%r1)
         mvc     1(256,%r1),0(%r1)
@@ -87,9 +87,9 @@ ENTRY(memset_z10)
         j       .L_Z10_3
 .L_Z10_18:
         mvc     1(1,%r1),0(%r1)
-END(memset_z10)
+END(__memset_z10)
 
-ENTRY(memset_mvcle)
+ENTRY(__memset_mvcle)
 	ahi	%r4,2               # take back the change done by the caller
 	lr      %r0,%r2             # save source address
 	lr      %r1,%r3             # move pad byte to R1
@@ -101,7 +101,7 @@ ENTRY(memset_mvcle)
 	lr      %r2,%r0             # return value is source address
 .L1:
 	br      %r14
-END(memset_mvcle)
+END(__memset_mvcle)
 
 #endif
 
@@ -109,5 +109,5 @@ END(memset_mvcle)
 
 #if !IS_IN (libc)
 .globl   memset
-.set     memset,memset_g5
+.set     memset,__memset_g5
 #endif
diff --git a/sysdeps/s390/s390-64/memcmp.S b/sysdeps/s390/s390-64/memcmp.S
index 327d7fa..6767438 100644
--- a/sysdeps/s390/s390-64/memcmp.S
+++ b/sysdeps/s390/s390-64/memcmp.S
@@ -27,7 +27,7 @@
 
        .text
 #ifdef USE_MULTIARCH
-ENTRY(memcmp_z900)
+ENTRY(__memcmp_z900)
 #else
 ENTRY(memcmp)
 #endif
@@ -56,7 +56,7 @@ ENTRY(memcmp)
 .L_Z900_15:
         clc     0(1,%r3),0(%r2)
 #ifdef USE_MULTIARCH
-END(memcmp_z900)
+END(__memcmp_z900)
 #else
 END(memcmp)
 libc_hidden_builtin_def (memcmp)
diff --git a/sysdeps/s390/s390-64/memcpy.S b/sysdeps/s390/s390-64/memcpy.S
index da387af..3f122dc 100644
--- a/sysdeps/s390/s390-64/memcpy.S
+++ b/sysdeps/s390/s390-64/memcpy.S
@@ -29,7 +29,7 @@
        .text
 
 #ifdef USE_MULTIARCH
-ENTRY(memcpy_z900)
+ENTRY(__memcpy_z900)
 #else
 ENTRY(memcpy)
 #endif
@@ -48,7 +48,7 @@ ENTRY(memcpy)
         br      %r14
 .L_Z900_13:
         chi	%r5,4096             # Switch to mvcle for copies >1MB
-        jh      memcpy_mvcle
+        jh      __memcpy_mvcle
 .L_Z900_12:
         mvc     0(256,%r1),0(%r3)
         la      %r1,256(%r1)
@@ -59,13 +59,13 @@ ENTRY(memcpy)
         mvc     0(1,%r1),0(%r3)
 
 #ifdef USE_MULTIARCH
-END(memcpy_z900)
+END(__memcpy_z900)
 #else
 END(memcpy)
 libc_hidden_builtin_def (memcpy)
 #endif
 
-ENTRY(memcpy_mvcle)
+ENTRY(__memcpy_mvcle)
        # Using as standalone function will result in unexpected
        # results since the length field is incremented by 1 in order to
        # compensate the changes already done in the functions above.
@@ -78,4 +78,4 @@ ENTRY(memcpy_mvcle)
        jo      .L_MVCLE_1
        lgr     %r2,%r1             # return destination address
        br      %r14
-END(memcpy_mvcle)
+END(__memcpy_mvcle)
diff --git a/sysdeps/s390/s390-64/memset.S b/sysdeps/s390/s390-64/memset.S
index 78e74a0..1e307d7 100644
--- a/sysdeps/s390/s390-64/memset.S
+++ b/sysdeps/s390/s390-64/memset.S
@@ -29,7 +29,7 @@
        .text
 
 #ifdef USE_MULTIARCH
-ENTRY(memset_z900)
+ENTRY(__memset_z900)
 #else
 ENTRY(memset)
 #endif
@@ -57,7 +57,7 @@ ENTRY(memset)
 .L_Z900_18:
         mvc     1(1,%r1),0(%r1)
 #ifdef USE_MULTIARCH
-END(memset_z900)
+END(__memset_z900)
 #else
 END(memset)
 libc_hidden_builtin_def (memset)
diff --git a/sysdeps/s390/s390-64/multiarch/ifunc-resolve.c b/sysdeps/s390/s390-64/multiarch/ifunc-resolve.c
index fce8ef6..b303304 100644
--- a/sysdeps/s390/s390-64/multiarch/ifunc-resolve.c
+++ b/sysdeps/s390/s390-64/multiarch/ifunc-resolve.c
@@ -28,17 +28,17 @@
 #define IFUNC_RESOLVE(FUNC)						\
   asm (".globl " #FUNC "\n\t"						\
        ".type  " #FUNC ",@gnu_indirect_function\n\t"			\
-       ".set   " #FUNC ",resolve_" #FUNC "\n\t"				\
+       ".set   " #FUNC ",__resolve_" #FUNC "\n\t"			\
        ".globl __GI_" #FUNC "\n\t"					\
        ".set   __GI_" #FUNC "," #FUNC "\n");				\
 									\
   /* Make the declarations of the optimized functions hidden in order
      to prevent GOT slots being generated for them. */			\
-  extern void *FUNC##_z196 attribute_hidden;				\
-  extern void *FUNC##_z10 attribute_hidden;				\
-  extern void *FUNC##_z900 attribute_hidden;				\
+  extern void *__##FUNC##_z196 attribute_hidden;			\
+  extern void *__##FUNC##_z10 attribute_hidden;				\
+  extern void *__##FUNC##_z900 attribute_hidden;			\
 									\
-  void *resolve_##FUNC (unsigned long int dl_hwcap)			\
+  void *__resolve_##FUNC (unsigned long int dl_hwcap)			\
   {									\
     if (dl_hwcap & HWCAP_S390_STFLE)					\
       {									\
@@ -54,14 +54,14 @@
 		     : : "cc");						\
 									\
 	if ((stfle_bits & (1UL << (63 - STFLE_BITS_Z196))) != 0)	\
-	  return &FUNC##_z196;						\
+	  return &__##FUNC##_z196;					\
 	else if ((stfle_bits & (1UL << (63 - STFLE_BITS_Z10))) != 0)	\
-	  return &FUNC##_z10;						\
+	  return &__##FUNC##_z10;					\
 	else								\
-	  return &FUNC##_z900;						\
+	  return &__##FUNC##_z900;					\
       }									\
     else								\
-      return &FUNC##_z900;						\
+      return &__##FUNC##_z900;						\
   }
 
 IFUNC_RESOLVE(memset)
diff --git a/sysdeps/s390/s390-64/multiarch/memcmp.S b/sysdeps/s390/s390-64/multiarch/memcmp.S
index eed49c7..049847d 100644
--- a/sysdeps/s390/s390-64/multiarch/memcmp.S
+++ b/sysdeps/s390/s390-64/multiarch/memcmp.S
@@ -29,7 +29,7 @@
 
 #if IS_IN (libc)
 
-ENTRY(memcmp_z196)
+ENTRY(__memcmp_z196)
 	.machine "z196"
         ltgr    %r4,%r4
         je      .L_Z196_4
@@ -60,9 +60,9 @@ ENTRY(memcmp_z196)
         br      %r14
 .L_Z196_14:
         clc     0(1,%r3),0(%r2)
-END(memcmp_z196)
+END(__memcmp_z196)
 
-ENTRY(memcmp_z10)
+ENTRY(__memcmp_z10)
 	.machine "z10"
         ltgr    %r4,%r4
         je      .L_Z10_4
@@ -87,7 +87,7 @@ ENTRY(memcmp_z10)
         j       .L_Z10_3
 .L_Z10_15:
         clc     0(1,%r3),0(%r2)
-END(memcmp_z10)
+END(__memcmp_z10)
 
 #endif
 
@@ -95,7 +95,7 @@ END(memcmp_z10)
 
 #if !IS_IN (libc)
 .globl   memcmp
-.set     memcmp,memcmp_z900
+.set     memcmp,__memcmp_z900
 .weak    bcmp
-.set	 bcmp,memcmp_z900
+.set	 bcmp,__memcmp_z900
 #endif
diff --git a/sysdeps/s390/s390-64/multiarch/memcpy.S b/sysdeps/s390/s390-64/multiarch/memcpy.S
index 575ff43..fc670c7 100644
--- a/sysdeps/s390/s390-64/multiarch/memcpy.S
+++ b/sysdeps/s390/s390-64/multiarch/memcpy.S
@@ -29,7 +29,7 @@
 
 #if defined SHARED && IS_IN (libc)
 
-ENTRY(memcpy_z196)
+ENTRY(__memcpy_z196)
         .machine "z196"
         ltgr    %r4,%r4
         je      .L_Z196_4
@@ -44,7 +44,7 @@ ENTRY(memcpy_z196)
         br      %r14
 .L_Z196_5:
         cgfi    %r5,262144      # Switch to mvcle for copies >64MB
-        jh      memcpy_mvcle
+        jh      __memcpy_mvcle
 .L_Z196_2:
         pfd     1,768(%r3)
         pfd     2,768(%r1)
@@ -56,9 +56,9 @@ ENTRY(memcpy_z196)
         j       .L_Z196_3
 .L_Z196_14:
         mvc     0(1,%r1),0(%r3)
-END(memcpy_z196)
+END(__memcpy_z196)
 
-ENTRY(memcpy_z10)
+ENTRY(__memcpy_z10)
 	.machine "z10"
         cgije   %r4,0,.L_Z10_4
         aghi    %r4,-1
@@ -71,7 +71,7 @@ ENTRY(memcpy_z10)
         br      %r14
 .L_Z10_13:
         cgfi    %r5,65535	# Switch to mvcle for copies >16MB
-        jh      memcpy_mvcle
+        jh      __memcpy_mvcle
 .L_Z10_12:
         pfd     1,768(%r3)
         pfd     2,768(%r1)
@@ -82,7 +82,7 @@ ENTRY(memcpy_z10)
         j       .L_Z10_3
 .L_Z10_15:
         mvc     0(1,%r1),0(%r3)
-END(memcpy_z10)
+END(__memcpy_z10)
 
 #endif
 
@@ -90,5 +90,5 @@ END(memcpy_z10)
 
 #if !defined SHARED || !IS_IN (libc)
 .globl   memcpy
-.set     memcpy,memcpy_z900
+.set     memcpy,__memcpy_z900
 #endif
diff --git a/sysdeps/s390/s390-64/multiarch/memset.S b/sysdeps/s390/s390-64/multiarch/memset.S
index 74345c0..3ac110a 100644
--- a/sysdeps/s390/s390-64/multiarch/memset.S
+++ b/sysdeps/s390/s390-64/multiarch/memset.S
@@ -29,7 +29,7 @@
 
 #if IS_IN (libc)
 
-ENTRY(memset_z196)
+ENTRY(__memset_z196)
 	.machine "z196"
         ltgr    %r4,%r4
         je      .L_Z196_4
@@ -47,7 +47,7 @@ ENTRY(memset_z196)
         br      %r14
 .L_Z196_1:
 	cgfi	%r5,1048576
-	jh	memset_mvcle	   # Switch to mvcle for >256MB
+	jh	__memset_mvcle	   # Switch to mvcle for >256MB
 .L_Z196_2:
         pfd     2,1024(%r1)
         mvc     1(256,%r1),0(%r1)
@@ -57,9 +57,9 @@ ENTRY(memset_z196)
         j       .L_Z196_3
 .L_Z196_17:
         mvc     1(1,%r1),0(%r1)
-END(memset_z196)
+END(__memset_z196)
 
-ENTRY(memset_z10)
+ENTRY(__memset_z10)
 	.machine "z10"
         cgije   %r4,0,.L_Z10_4
         stc     %r3,0(%r2)
@@ -74,7 +74,7 @@ ENTRY(memset_z10)
         br      %r14
 .L_Z10_15:
 	cgfi	%r5,163840          # Switch to mvcle for >40MB
-	jh	memset_mvcle
+	jh	__memset_mvcle
 .L_Z10_14:
         pfd     2,1024(%r1)
         mvc     1(256,%r1),0(%r1)
@@ -83,9 +83,9 @@ ENTRY(memset_z10)
         j       .L_Z10_3
 .L_Z10_18:
         mvc     1(1,%r1),0(%r1)
-END(memset_z10)
+END(__memset_z10)
 
-ENTRY(memset_mvcle)
+ENTRY(__memset_mvcle)
 	aghi	%r4,2               # take back the change done by the caller
 	lgr	%r0,%r2		    # save source address
 	lgr	%r1,%r3		    # move pad byte to R1
@@ -97,7 +97,7 @@ ENTRY(memset_mvcle)
 	lgr	%r2,%r0		    # return value is source address
 .L1:
 	br	%r14
-END(memset_mvcle)
+END(__memset_mvcle)
 
 #endif
 
@@ -105,5 +105,5 @@ END(memset_mvcle)
 
 #if !IS_IN (libc)
 .globl   memset
-.set     memset,memset_z900
+.set     memset,__memset_z900
 #endif