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GNU C Library master sources branch master updated. glibc-2.16-ports-merge-273-g511fa28
- From: krebbel at sourceware dot org
- To: glibc-cvs at sourceware dot org
- Date: 3 Sep 2012 12:09:21 -0000
- Subject: GNU C Library master sources branch master updated. glibc-2.16-ports-merge-273-g511fa28
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http://sources.redhat.com/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=511fa2864a8d01a09b23a6b8b9a599429b7055f6
commit 511fa2864a8d01a09b23a6b8b9a599429b7055f6
Author: Andreas Krebbel <krebbel@linux.vnet.ibm.com>
Date: Mon Sep 3 14:06:27 2012 +0200
S/390: Make IFUNC optimized mem* functions hidden.
diff --git a/ChangeLog b/ChangeLog
index c130d9d..ef7477d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2012-09-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
+
+ * sysdeps/s390/s390-32/multiarch/ifunc-resolve.c
+ (IFUNC_RESOLVE): Make pointers to the specialized implementations
+ hidden.
+ * sysdeps/s390/s390-64/multiarch/ifunc-resolve.c: Likewise.
+
2012-09-02 H.J. Lu <hongjiu.lu@intel.com>
[BZ #14538]
diff --git a/sysdeps/s390/s390-32/multiarch/ifunc-resolve.c b/sysdeps/s390/s390-32/multiarch/ifunc-resolve.c
index fd6e367..6a86c03 100644
--- a/sysdeps/s390/s390-32/multiarch/ifunc-resolve.c
+++ b/sysdeps/s390/s390-32/multiarch/ifunc-resolve.c
@@ -32,9 +32,11 @@
".globl __GI_" #FUNC "\n\t" \
".set __GI_" #FUNC "," #FUNC "\n"); \
\
- extern void *FUNC##_z10; \
- extern void *FUNC##_z196; \
- extern void *FUNC##_g5; \
+ /* Make the declarations of the optimized functions hidden in order
+ to prevent GOT slots being generated for them. */ \
+ extern __attribute__((visibility("hidden"))) void *FUNC##_z196; \
+ extern __attribute__((visibility("hidden"))) void *FUNC##_z10; \
+ extern __attribute__((visibility("hidden"))) void *FUNC##_g5; \
\
void *resolve_##FUNC (unsigned long int dl_hwcap) \
{ \
diff --git a/sysdeps/s390/s390-64/multiarch/ifunc-resolve.c b/sysdeps/s390/s390-64/multiarch/ifunc-resolve.c
index f980bc9..5f56764 100644
--- a/sysdeps/s390/s390-64/multiarch/ifunc-resolve.c
+++ b/sysdeps/s390/s390-64/multiarch/ifunc-resolve.c
@@ -32,9 +32,11 @@
".globl __GI_" #FUNC "\n\t" \
".set __GI_" #FUNC "," #FUNC "\n"); \
\
- extern void *FUNC##_z10; \
- extern void *FUNC##_z196; \
- extern void *FUNC##_z900; \
+ /* Make the declarations of the optimized functions hidden in order
+ to prevent GOT slots being generated for them. */ \
+ extern __attribute__((visibility("hidden"))) void *FUNC##_z196; \
+ extern __attribute__((visibility("hidden"))) void *FUNC##_z10; \
+ extern __attribute__((visibility("hidden"))) void *FUNC##_z900; \
\
void *resolve_##FUNC (unsigned long int dl_hwcap) \
{ \
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 7 +++++++
sysdeps/s390/s390-32/multiarch/ifunc-resolve.c | 8 +++++---
sysdeps/s390/s390-64/multiarch/ifunc-resolve.c | 8 +++++---
3 files changed, 17 insertions(+), 6 deletions(-)
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