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GNU C Library master sources branch master updated. glibc-2.25-27-g42de7e2
- From: azanella at sourceware dot org
- To: glibc-cvs at sourceware dot org
- Date: 8 Feb 2017 19:22:38 -0000
- Subject: GNU C Library master sources branch master updated. glibc-2.25-27-g42de7e2
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http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=42de7e20299e0bab8b8b761b34ebcd4b60c68132
commit 42de7e20299e0bab8b8b761b34ebcd4b60c68132
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Feb 8 16:30:43 2017 -0200
aarch64: fix errno address calculation in SYSCALL_ERROR_HANDLER
This patch fixes the last regression in LTP lite scenario (mmap16) comparing
to lp64 in my source trees [1, 2]. The fix has been suggested back in 2015 [3]
but was never applied.
Checked on aarch64-linux-gnu.
* sysdeps/unix/sysv/linux/aarch64/sysdep.h: use PTR_REG() for offset
calculation in SYSCALL_ERROR_HANDLER().
[1] https://github.com/norov/glibc/tree/dev9
[2] https://github.com/norov/linux/tree/ilp32-20170203
[3] https://sourceware.org/ml/libc-alpha/2015-03/msg00587.html
diff --git a/ChangeLog b/ChangeLog
index 951daa7..e2fe0d7 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2017-02-08 Yury Norov <ynorov@caviumnetworks.com>
+
+ * sysdeps/unix/sysv/linux/aarch64/sysdep.h: use PTR_REG() for offset
+ calculation in SYSCALL_ERROR_HANDLER().
+
2017-02-08 Rical Jasan <ricaljasan@pacific.net>
* manual/contrib.texi: Fix typo.
diff --git a/sysdeps/unix/sysv/linux/aarch64/sysdep.h b/sysdeps/unix/sysv/linux/aarch64/sysdep.h
index ad49241..f301638 100644
--- a/sysdeps/unix/sysv/linux/aarch64/sysdep.h
+++ b/sysdeps/unix/sysv/linux/aarch64/sysdep.h
@@ -108,7 +108,7 @@
.Lsyscall_error: \
adrp x1, :gottprel:errno; \
neg w2, w0; \
- ldr x1, [x1, :gottprel_lo12:errno]; \
+ ldr PTR_REG(1), [x1, :gottprel_lo12:errno]; \
mrs x3, tpidr_el0; \
mov x0, -1; \
str w2, [x1, x3]; \
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 5 +++++
sysdeps/unix/sysv/linux/aarch64/sysdep.h | 2 +-
2 files changed, 6 insertions(+), 1 deletions(-)
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