(RTLD_START): Remove setting of __libc_stack_end.

sysdeps/alpha/dl-machine.h

@@ -319,8 +319,6 @@ _dl_start_user:							\n\
 	.prologue 0						\n\
 	/* Save the user entry point address in s0.  */		\n\
 	mov	$0, $9						\n\
-	/* Store the highest stack address.  */			\n\
-	stq	$30, __libc_stack_end				\n\
 	/* See if we were run as a command with the executable	\n\
 	   file name as an extra leading argument.  */		\n\
 	ldl	$1, _dl_skip_args($gp)	!gprel			\n\

sysdeps/arm/dl-machine.h

@@ -265,10 +265,6 @@ _dl_start_user:\n\
 	ldr	sl, .L_GET_GOT\n\
 	add	sl, pc, sl\n\
 .L_GOT_GOT:\n\
-	@ Store the highest stack address\n\
-	ldr	r1, .L_STACK_END\n\
-	ldr	r1, [sl, r1]\n\
-	str	sp, [r1]\n\
 	@ See if we were run as a command with the executable file\n\
 	@ name as an extra leading argument.\n\
 	ldr	r4, .L_SKIP_ARGS\n\
@@ -311,8 +307,6 @@ _dl_start_user:\n\
 	.word	_dl_starting_up(GOT)\n\
 .L_FINI_PROC:\n\
 	.word	_dl_fini(GOT)\n\
-.L_STACK_END:\n\
-	.word	__libc_stack_end(GOT)\n\
 .L_LOADED:\n\
 	.word	_rtld_local(GOT)\n\
 .previous\n\

sysdeps/cris/dl-machine.h

@@ -188,9 +188,6 @@ _dl_start_user:\n\
 	; Point R0 at the GOT.\n\
 	move.d	$pc,$r0\n\
 	sub.d	.:GOTOFF,$r0\n\
-	; Remember the highest stack address.\n\
-	move.d	[$r0+__libc_stack_end:GOT16],$r13\n\
-	move.d	$sp,[$r13]\n\
 	; See if we were run as a command with the executable file\n\
 	; name as an extra leading argument.\n\
 	move.d	[$r0+_dl_skip_args:GOT16],$r13\n\

sysdeps/m68k/dl-machine.h

@@ -157,9 +157,6 @@ _start:\n\
 _dl_start_user:\n\
 	| Save the user entry point address in %a4.\n\
 	move.l %d0, %a4\n\
-	| Remember the highest stack address.\n\
-	move.l __libc_stack_end@GOTPC(%pc), %a0\n\
-	move.l %sp, (%a0)\n\
 	| See if we were run as a command with the executable file\n\
 	| name as an extra leading argument.\n\
 	move.l _dl_skip_args(%pc), %d0\n\