From 7eff60903d26fe03739084f8f3baa816089f6d66 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Thu, 12 Jun 1997 21:23:19 +0000 Subject: [PATCH] ARM dependent assembler and low-level definitions. --- sysdeps/unix/arm/sysdep.S | 49 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 sysdeps/unix/arm/sysdep.S diff --git a/sysdeps/unix/arm/sysdep.S b/sysdeps/unix/arm/sysdep.S new file mode 100644 index 0000000000..5d3ad551c6 --- /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 +#define _ERRNO_H +#include + +.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)