/*      $NetBSD: SYS.h,v 1.8 2003/08/07 16:42:02 agc Exp $      */

/*-
 * SPDX-License-Identifier: BSD-3-Clause
 *
 * Copyright (c) 1990 The Regents of the University of California.
 * All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * William Jolitz.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#include <machine/asm.h>
#include <sys/syscall.h>

#define _SYSCALL(x)                                                     \
                        mov ip, r7;                                     \
                        ldr r7, =SYS_ ## x;                             \
                        swi 0;                                          \
                        mov r7, ip

#define CERROR          _C_LABEL(cerror)

#ifndef _SYSCALL_BODY
#define _SYSCALL_BODY(x)                                                \
        _SYSCALL(x);                                                    \
        it      cs;                                                     \
        bcs PIC_SYM(CERROR, PLT);                                       \
        RET
#endif

#define PSEUDO(x)                                                       \
        ENTRY(__CONCAT(__sys_, x));                                     \
        .weak _C_LABEL(__CONCAT(_,x));                                  \
        .set _C_LABEL(__CONCAT(_,x)),_C_LABEL(__CONCAT(__sys_,x));      \
        _SYSCALL_BODY(x)

#define RSYSCALL(x)                                                     \
        ENTRY(__CONCAT(__sys_, x));                                     \
        .weak _C_LABEL(x);                                              \
        .set _C_LABEL(x), _C_LABEL(__CONCAT(__sys_,x));                 \
        .weak _C_LABEL(__CONCAT(_,x));                                  \
        .set _C_LABEL(__CONCAT(_,x)),_C_LABEL(__CONCAT(__sys_,x));      \
        _SYSCALL_BODY(x);                                               \

        .globl  CERROR