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GNU C Library master sources branch master updated. glibc-2.23-310-gc64a10e
- From: stli at sourceware dot org
- To: glibc-cvs at sourceware dot org
- Date: 11 May 2016 13:54:03 -0000
- Subject: GNU C Library master sources branch master updated. glibc-2.23-310-gc64a10e
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http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=c64a10e54441db7df85592b009348a919a7259d7
commit c64a10e54441db7df85592b009348a919a7259d7
Author: Stefan Liebler <stli@linux.vnet.ibm.com>
Date: Wed May 11 15:51:25 2016 +0200
S390: Use fPIC to avoid R_390_GOT12 relocation in gcrt1.o.
if glibc is build with -march=z900 | -march=z990,
the startup file gcrt1.o (used if you link with gcc -pg)
contains R_390_GOT12 | R_390_GOT20 relocations.
Thus, an entry in the GOT can be addressed relative to the GOT pointer
with a 12 | 20 bit displacement value.
The startup files should not contain R_390_GOT12,
R_390_GOT20 relocations, but R_390_GOTENT ones.
This patch removes the overrides of pic-ccflag and
the default pic-ccflag = -fPIC in Makeconfig
is used instead to get the R_390_GOTENT relocations in gcrt1.o.
ChangeLog:
* sysdeps/s390/s390-32/Makefile (pic-ccflag): Remove.
* sysdeps/s390/s390-64/Makefile: Likewise.
diff --git a/ChangeLog b/ChangeLog
index 8958a06..7533a3d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2016-05-11 Stefan Liebler <stli@linux.vnet.ibm.com>
+
+ * sysdeps/s390/s390-32/Makefile (pic-ccflag): Remove.
+ * sysdeps/s390/s390-64/Makefile: Likewise.
+
2016-05-11 H.J. Lu <hongjiu.lu@intel.com>
* sysdeps/i386/i686/multiarch/Makefile (gen-as-const-headers):
diff --git a/sysdeps/s390/s390-32/Makefile b/sysdeps/s390/s390-32/Makefile
index 057862d..a07f298 100644
--- a/sysdeps/s390/s390-32/Makefile
+++ b/sysdeps/s390/s390-32/Makefile
@@ -1,5 +1,3 @@
-pic-ccflag = -fpic
-
ifeq ($(subdir),gmon)
sysdep_routines += s390-mcount
endif
diff --git a/sysdeps/s390/s390-64/Makefile b/sysdeps/s390/s390-64/Makefile
index ce4f0c5..5909d1f 100644
--- a/sysdeps/s390/s390-64/Makefile
+++ b/sysdeps/s390/s390-64/Makefile
@@ -1,5 +1,3 @@
-pic-ccflag = -fpic
-
ifeq ($(subdir),gmon)
sysdep_routines += s390x-mcount
endif
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 5 +++++
sysdeps/s390/s390-32/Makefile | 2 --
sysdeps/s390/s390-64/Makefile | 2 --
3 files changed, 5 insertions(+), 4 deletions(-)
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