From patchwork Mon Nov 10 11:23:59 2014
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Date: Mon, 10 Nov 2014 11:23:59 +0000
From: Renlin Li <renlin.li@arm.com>
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To: GNU C Library <libc-alpha@sourceware.org>
CC: Marcus Shawcroft <marcus.shawcroft@gmail.com>
Subject: [PATCH][AARCH64][2.20] Backporting "End frame record chain
	correctly"
References: <54539D07.7070107@arm.com>
	<CAFqB+PzkH=jsaJDcGe0sERAotCm4+Bsn4J-0mJf9q66cTZOofQ@mail.gmail.com>
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 <CAFqB+PzkH=jsaJDcGe0sERAotCm4+Bsn4J-0mJf9q66cTZOofQ@mail.gmail.com>
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Hi all,

This is a backport for branch/release/2.20/master of the patch "End 
frame record chain correctly"  posted in: 
https://sourceware.org/ml/libc-alpha/2014-11/msg00167.html

aarch64-none-linux-gnu target has been tested on the model. No new issues.

Okay to commit?

ChangeLog:

2014-11-10  Renlin Li <Renlin.Li@arm.com>

     [BZ #17555]
     * sysdeps/aarch64/start.S (_start): Delete x29 overwritten assignment.

diff --git a/sysdeps/aarch64/start.S b/sysdeps/aarch64/start.S
index 35d603a..69b45ea 100644
--- a/sysdeps/aarch64/start.S
+++ b/sysdeps/aarch64/start.S
@@ -47,7 +47,6 @@ _start:
 	/* Create an initial frame with 0 LR and FP */
 	mov	x29, #0
 	mov	x30, #0
-	mov	x29, sp
 
 	/* Setup rtld_fini in argument register */
 	mov	x5, x0