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From c8ca71d40bc51e255457cd4374dd45ec9ebf8ae1 Mon Sep 17 00:00:00 2001
From: Jun He <jun.he@arm.com>
Date: Mon, 3 Jul 2017 07:18:32 +0000
Subject: [PATCH] Fixed stack trace generation on aarch64

Change-Id: I9801239c98cb7362ed07e8b9ec2ba7e45749dba7
Signed-off-by: Jun He <jun.he@arm.com>

* fixes also this error when building with -Werror=return-type:
  debug.c:698:1: error: no return statement in function returning non-void [-Werror=return-type]

Upstream-Status: Backport [https://github.com/antirez/redis/commit/c8ca71d40bc51e255457cd4374dd45ec9ebf8ae1]

Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
---
 src/Makefile | 2 +-
 src/debug.c  | 2 ++
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/Makefile b/src/Makefile
index 24e960593eb..a1ff4258a9d 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -40,7 +40,7 @@
 endif
 
 # To get ARM stack traces if Redis crashes we need a special C flag.
-ifneq (,$(findstring armv,$(uname_M)))
+ifneq (,$(filter aarch64 armv,$(uname_M)))
         CFLAGS+=-funwind-tables
 endif
 
diff --git a/src/debug.c b/src/debug.c
index a4caa49f285..c976d0ed919 100644
--- a/src/debug.c
+++ b/src/debug.c
@@ -691,6 +691,8 @@
     return (void*) uc->uc_mcontext.sc_ip;
     #elif defined(__arm__) /* Linux ARM */
     return (void*) uc->uc_mcontext.arm_pc;
+    #elif defined(__aarch64__) /* Linux AArch64 */
+    return (void*) uc->uc_mcontext.pc;
     #endif
 #else
     return NULL;