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GNU C Library master sources branch master updated. glibc-2.18-52-g6b06ac5
- From: willnewton at sourceware dot org
- To: glibc-cvs at sourceware dot org
- Date: 30 Aug 2013 09:50:55 -0000
- Subject: GNU C Library master sources branch master updated. glibc-2.18-52-g6b06ac5
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- Log -----------------------------------------------------------------
http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=6b06ac56cdfc9293908724e51e827534e97819aa
commit 6b06ac56cdfc9293908724e51e827534e97819aa
Author: Will Newton <will.newton@linaro.org>
Date: Thu Aug 29 20:10:26 2013 +0100
ARM: Fix clone code when built for Thumb.
The mov lr, pc instruction will lose the Thumb bit from the return address
so use blx lr instead.
ports/ChangeLog.arm:
2013-08-30 Will Newton <will.newton@linaro.org>
[BZ #15909]
* sysdeps/unix/sysv/linux/arm/clone.S (__clone): Use blx
instead of mov lr, pc.
diff --git a/NEWS b/NEWS
index d3524ff..4fe4b63 100644
--- a/NEWS
+++ b/NEWS
@@ -10,7 +10,7 @@ Version 2.19
* The following bugs are resolved with this release:
14699, 15522, 15531, 15532, 15736, 15749, 15797, 15867, 15890, 15897,
- 15905.
+ 15905, 15909.
* CVE-2013-4237 The readdir_r function could write more than NAME_MAX bytes
to the d_name member of struct dirent, or omit the terminating NUL
diff --git a/ports/ChangeLog.arm b/ports/ChangeLog.arm
index 8236f0f..2a95834 100644
--- a/ports/ChangeLog.arm
+++ b/ports/ChangeLog.arm
@@ -1,5 +1,11 @@
2013-08-30 Will Newton <will.newton@linaro.org>
+ [BZ #15909]
+ * sysdeps/unix/sysv/linux/arm/clone.S (__clone): Use blx
+ instead of mov lr, pc.
+
+2013-08-30 Will Newton <will.newton@linaro.org>
+
* sysdeps/arm/armv6t2/strlen.S: New file.
2013-08-29 Thomas Schwinge <thomas@codesourcery.com>
diff --git a/ports/sysdeps/unix/sysv/linux/arm/clone.S b/ports/sysdeps/unix/sysv/linux/arm/clone.S
index ce9c2a5..6e74fa7 100644
--- a/ports/sysdeps/unix/sysv/linux/arm/clone.S
+++ b/ports/sysdeps/unix/sysv/linux/arm/clone.S
@@ -93,8 +93,8 @@ PSEUDO_END (__clone)
mov lr, pc
bx ip
#else
- mov lr, pc
- ldr pc, [sp], #8
+ ldr lr, [sp], #8
+ blx lr
#endif
@ and we are done, passing the return value through r0
-----------------------------------------------------------------------
Summary of changes:
NEWS | 2 +-
ports/ChangeLog.arm | 6 ++++++
ports/sysdeps/unix/sysv/linux/arm/clone.S | 4 ++--
3 files changed, 9 insertions(+), 3 deletions(-)
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