95 lines
2.8 KiB
C
95 lines
2.8 KiB
C
|
/* $NetBSD: SYS.h,v 1.10 2011/01/14 06:12:16 matt Exp $ */
|
||
|
|
|
||
|
|
/*-
|
||
|
|
* 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.
|
||
|
|
*
|
||
|
|
* from: @(#)SYS.h 5.5 (Berkeley) 5/7/91
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <machine/asm.h>
|
||
|
|
#include <sys/syscall.h>
|
||
|
|
#include <arm/swi.h>
|
||
|
|
|
||
|
|
#ifdef __STDC__
|
||
|
|
#define SYSTRAP(x) swi SWI_OS_NETBSD | SYS_ ## x
|
||
|
|
#else
|
||
|
|
#define SYSTRAP(x) swi SWI_OS_NETBSD | SYS_/**/x
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifdef __ELF__
|
||
|
|
#define CERROR _C_LABEL(__cerror)
|
||
|
|
#define CURBRK _C_LABEL(__curbrk)
|
||
|
|
#else
|
||
|
|
#define CERROR _ASM_LABEL(cerror)
|
||
|
|
#define CURBRK _ASM_LABEL(curbrk)
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#define _SYSCALL_NOERROR(x,y) \
|
||
|
|
ENTRY(x); \
|
||
|
|
SYSTRAP(y)
|
||
|
|
|
||
|
|
#define _SYSCALL(x, y) \
|
||
|
|
_SYSCALL_NOERROR(x,y); \
|
||
|
|
bcs CERROR
|
||
|
|
|
||
|
|
#define SYSCALL_NOERROR(x) \
|
||
|
|
_SYSCALL_NOERROR(x,x)
|
||
|
|
|
||
|
|
#define SYSCALL(x) \
|
||
|
|
_SYSCALL(x,x)
|
||
|
|
|
||
|
|
|
||
|
|
#define PSEUDO_NOERROR(x,y) \
|
||
|
|
_SYSCALL_NOERROR(x,y); \
|
||
|
|
RET
|
||
|
|
|
||
|
|
#define PSEUDO(x,y) \
|
||
|
|
_SYSCALL(x,y); \
|
||
|
|
RET
|
||
|
|
|
||
|
|
|
||
|
|
#define RSYSCALL_NOERROR(x) \
|
||
|
|
PSEUDO_NOERROR(x,x)
|
||
|
|
|
||
|
|
#define RSYSCALL(x) \
|
||
|
|
PSEUDO(x,x)
|
||
|
|
|
||
|
|
#ifdef WEAK_ALIAS
|
||
|
|
#define WSYSCALL(weak,strong) \
|
||
|
|
WEAK_ALIAS(weak,strong); \
|
||
|
|
PSEUDO(strong,weak)
|
||
|
|
#else
|
||
|
|
#define WSYSCALL(weak,strong) \
|
||
|
|
PSEUDO(weak,weak)
|
||
|
|
#endif
|
||
|
|
|
||
|
|
.globl CERROR
|