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GNU C Library master sources branch release/2.23/master updated. glibc-2.23-70-g0903610
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- To: glibc-cvs at sourceware dot org
- Date: 1 Jul 2016 12:46:34 -0000
- Subject: GNU C Library master sources branch release/2.23/master updated. glibc-2.23-70-g0903610
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http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=0903610fdc31efbea4309f69e5ee3e1d4f7ed29e
commit 0903610fdc31efbea4309f69e5ee3e1d4f7ed29e
Author: John David Anglin <dave.anglin@bell.net>
Date: Tue Jun 21 18:35:22 2016 -0400
hppa: fix loading of global pointer in _start [BZ #20277]
The patched change fixes a regression for executables compiled with the
-p option and linked with gcrt1.o. The executables crash on startup.
This regression was introduced in 2.22 and was noticed in the gcc testsuite.
(cherry picked from commit 9765ffa71030efd8bb4f2ea4ed6e020fcb4bb714)
diff --git a/ChangeLog b/ChangeLog
index aaba8df..3c8315f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2016-06-30 John David Anglin <danglin@gcc.gnu.org>
+
+ [BZ #20277]
+ * sysdeps/hppa/start.S (_start): Correct loading of global pointer
+ when SHARED is defined.
+
2016-06-30 Aurelien Jarno <aurelien@aurel32.net>
* sysdeps/i386/i686/fpu/multiarch/libm-test-ulps: Regenerated.
diff --git a/NEWS b/NEWS
index 532cfe2..07f3fe8 100644
--- a/NEWS
+++ b/NEWS
@@ -34,6 +34,7 @@ The following bugs are resolved with this release:
[19822] libm.so install clobbers old version
[19879] network: nss_dns: Stack overflow in getnetbyname implementation
(CVE-2016-3075)
+ [20177] $dp is not initialized correctly in sysdeps/hppa/start.S
Version 2.23
diff --git a/sysdeps/hppa/start.S b/sysdeps/hppa/start.S
index 90d4331..b7ab830 100644
--- a/sysdeps/hppa/start.S
+++ b/sysdeps/hppa/start.S
@@ -131,8 +131,10 @@ _start:
stw %sp, -60(%sp)
#ifdef SHARED
+ /* load global */
addil LT'.Lp__global, %r19
ldw RT'.Lp__global(%r1), %dp
+ ldw 0(%dp), %dp
#else
/* load global */
ldil L%$global$, %dp
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
NEWS | 1 +
sysdeps/hppa/start.S | 2 ++
3 files changed, 9 insertions(+), 0 deletions(-)
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