mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-26 11:47:31 +00:00
0c5931043c
Submitted by: Björn König <bkoenig@cs.tu-berlin.de> Approved by: re (kensmith, followup commits)
75 lines
2.6 KiB
C
75 lines
2.6 KiB
C
/* $NetBSD: SYS.h,v 1.8 2003/08/07 16:42:02 agc 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
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#include <machine/asm.h>
|
|
#include <sys/syscall.h>
|
|
#include <machine/swi.h>
|
|
|
|
#define SYSTRAP(x) swi 0 | SYS_ ## x
|
|
|
|
#define CERROR _C_LABEL(cerror)
|
|
#define CURBRK _C_LABEL(curbrk)
|
|
|
|
#define _SYSCALL_NOERROR(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)); \
|
|
SYSTRAP(x)
|
|
|
|
#define _SYSCALL(x) \
|
|
_SYSCALL_NOERROR(x); \
|
|
bcs PIC_SYM(CERROR, PLT)
|
|
|
|
#define SYSCALL(x) \
|
|
_SYSCALL(x)
|
|
|
|
#define PSEUDO(x) \
|
|
ENTRY(__CONCAT(__sys_, x)); \
|
|
.weak _C_LABEL(__CONCAT(_,x)); \
|
|
.set _C_LABEL(__CONCAT(_,x)),_C_LABEL(__CONCAT(__sys_,x)); \
|
|
SYSTRAP(x); \
|
|
bcs PIC_SYM(CERROR, PLT); \
|
|
RET
|
|
|
|
#define RSYSCALL(x) \
|
|
_SYSCALL(x); \
|
|
RET
|
|
|
|
.globl CERROR
|