(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.

1 files changed, 71 insertions, 0 deletions

diff --git a/sysdeps/unix/arm/sysdep.S b/sysdeps/unix/arm/sysdep.S
new file mode 100644
index 0000000000..4810805d85
--- /dev/null
+++ b/sysdeps/unix/arm/sysdep.S
@@ -0,0 +1,71 @@
+/* Copyright (C) 1991,92,93,94,95,96,97,98,2002,03 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <sysdep.h>
+#define _ERRNO_H
+#include <bits/errno.h>
+
+.globl C_SYMBOL_NAME(errno)
+.globl syscall_error
+
+#undef syscall_error
+#ifdef NO_UNDERSCORES
+__syscall_error:
+#else
+syscall_error:
+#endif
+#if defined (EWOULDBLOCK_sys) && EWOULDBLOCK_sys != EAGAIN
+	/* We translate the system's EWOULDBLOCK error into EAGAIN.
+	   The GNU C library always defines EWOULDBLOCK==EAGAIN.
+	   EWOULDBLOCK_sys is the original number.  */
+	cmp r0, $EWOULDBLOCK_sys /* Is it the old EWOULDBLOCK?  */
+	moveq r0, $EAGAIN	/* Yes; translate it to EAGAIN.  */
+#endif
+
+#ifdef _LIBC_REENTRANT
+	str lr, [sp, #-4]!
+	str r0, [sp, #-4]!
+	bl PLTJMP(C_SYMBOL_NAME(__errno_location))
+	ldr r1, [sp], #4
+	str r1, [r0]
+	mvn r0, $0
+	ldr pc, [sp], #4	
+#else
+#ifndef	PIC
+	ldr r1, 1f
+	str r0, [r1]
+	mvn r0, $0
+	DO_RET (r14)
+
+1:	.long C_SYMBOL_NAME(errno)
+#else
+	@ we have to establish our PIC register
+	ldr r2, 1f
+	ldr r1, 2f
+0:	add r2, pc, r2
+	str r0, [r1, r2]
+	mvn r0, $0
+	DO_RET (r14)
+
+1:	.word _GLOBAL_OFFSET_TABLE_ - 0b - 8
+2:	.word C_SYMBOL_NAME(errno)(GOTOFF)
+#endif
+#endif
+
+#undef	__syscall_error
+END (__syscall_error)