1/*-
2 * Copyright (c) 1990 The Regents of the University of California.
3 * All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * William Jolitz.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 * 4. Neither the name of the University nor the names of its contributors
17 *    may be used to endorse or promote products derived from this software
18 *    without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 *
32 *	@(#)SYS.h	5.5 (Berkeley) 5/7/91
33 * $FreeBSD$
34 */
35
36#include <sys/syscall.h>
37#include <machine/asm.h>
38
39#ifdef PIC
40#define	RSYSCALL(x)	ENTRY(__CONCAT(__sys_,x));			\
41			.weak CNAME(x);					\
42			.set CNAME(x),CNAME(__CONCAT(__sys_,x));	\
43			.weak CNAME(__CONCAT(_,x));			\
44			.set CNAME(__CONCAT(_,x)),CNAME(__CONCAT(__sys_,x)); \
45			mov __CONCAT($SYS_,x),%rax; KERNCALL; jb 2f; ret; \
46			2: movq PIC_GOT(HIDENAME(cerror)),%rcx; jmp *%rcx; \
47			END(__CONCAT(__sys_,x))
48
49#define	PSEUDO(x)	ENTRY(__CONCAT(__sys_,x));			\
50			.weak CNAME(__CONCAT(_,x));			\
51			.set CNAME(__CONCAT(_,x)),CNAME(__CONCAT(__sys_,x)); \
52			mov __CONCAT($SYS_,x),%rax; KERNCALL; jb 2f; ret ; \
53			2: movq PIC_GOT(HIDENAME(cerror)),%rcx; jmp *%rcx; \
54			END(__CONCAT(__sys_,x))
55#else
56#define	RSYSCALL(x)	ENTRY(__CONCAT(__sys_,x));			\
57			.weak CNAME(x);					\
58			.set CNAME(x),CNAME(__CONCAT(__sys_,x));	\
59			.weak CNAME(__CONCAT(_,x));			\
60			.set CNAME(__CONCAT(_,x)),CNAME(__CONCAT(__sys_,x)); \
61			mov __CONCAT($SYS_,x),%rax; KERNCALL; jb 2f; ret; \
62			2: jmp HIDENAME(cerror);			\
63			END(__CONCAT(__sys_,x))
64
65#define	PSEUDO(x)	ENTRY(__CONCAT(__sys_,x));			\
66			.weak CNAME(__CONCAT(_,x));			\
67			.set CNAME(__CONCAT(_,x)),CNAME(__CONCAT(__sys_,x)); \
68			mov __CONCAT($SYS_,x),%rax; KERNCALL; jb 2f; ret; \
69			2: jmp HIDENAME(cerror);			\
70			END(__CONCAT(__sys_,x))
71#endif
72
73#define KERNCALL	movq %rcx, %r10; syscall
74