ARM dependent assembler and low-level definitions.

diff --git a/sysdeps/unix/arm/sysdep.S b/sysdeps/unix/arm/sysdep.S
new file mode 100644 (file)
index 0000000..5d3ad55
--- /dev/null
+++ b/sysdeps/unix/arm/sysdep.S
@@ -0,0 +1,49 @@
+/* Copyright (C) 1991, 92, 93, 94, 95, 96, 97 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 Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  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 <errnos.h>
+
+.globl C_SYMBOL_NAME(errno)
+.globl syscall_error
+
+_errno_loc:    .long C_SYMBOL_NAME(errno)
+       
+#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
+#ifndef        PIC
+       ldr r1, _errno_loc      
+       str r0, [r1]
+#endif
+       mvn r0, $0
+       RETINSTR(mov, pc, r14)
+
+#undef __syscall_error
+END (__syscall_error)