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
| 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: head/lib/libc/amd64/SYS.h 171217 2007-07-04 23:18:38Z peter $
| 33 * $FreeBSD: head/lib/libc/amd64/SYS.h 184547 2008-11-02 01:10:54Z peter $
|
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($SYS_,x),%rax; KERNCALL; jb 2f; ret; \
| 34 */
35
36#include <sys/syscall.h>
37#include <machine/asm.h>
38
39#ifdef PIC
40#define RSYSCALL(x) ENTRY(__CONCAT(__sys_,x)); \
41 .weak CNAME(x); \
42 .set CNAME(x),CNAME(__CONCAT(__sys_,x)); \
43 .weak CNAME(__CONCAT(_,x)); \
44 .set CNAME(__CONCAT(_,x)),CNAME(__CONCAT(__sys_,x)); \
45 mov __CONCAT($SYS_,x),%rax; KERNCALL; jb 2f; ret; \
|
46 2: movq PIC_GOT(HIDENAME(cerror)),%rcx; jmp *%rcx
| 46 2: movq PIC_GOT(HIDENAME(cerror)),%rcx; jmp *%rcx; \
47 END(__CONCAT(__sys_,x))
|
47
48#define PSEUDO(x) ENTRY(__CONCAT(__sys_,x)); \
49 .weak CNAME(__CONCAT(_,x)); \
50 .set CNAME(__CONCAT(_,x)),CNAME(__CONCAT(__sys_,x)); \
51 mov __CONCAT($SYS_,x),%rax; KERNCALL; jb 2f; ret ; \
| 48
49#define PSEUDO(x) ENTRY(__CONCAT(__sys_,x)); \
50 .weak CNAME(__CONCAT(_,x)); \
51 .set CNAME(__CONCAT(_,x)),CNAME(__CONCAT(__sys_,x)); \
52 mov __CONCAT($SYS_,x),%rax; KERNCALL; jb 2f; ret ; \
|
52 2: movq PIC_GOT(HIDENAME(cerror)),%rcx; jmp *%rcx
| 53 2: movq PIC_GOT(HIDENAME(cerror)),%rcx; jmp *%rcx; \
54 END(__CONCAT(__sys_,x))
|
53#else
54#define RSYSCALL(x) ENTRY(__CONCAT(__sys_,x)); \
55 .weak CNAME(x); \
56 .set CNAME(x),CNAME(__CONCAT(__sys_,x)); \
57 .weak CNAME(__CONCAT(_,x)); \
58 .set CNAME(__CONCAT(_,x)),CNAME(__CONCAT(__sys_,x)); \
59 mov __CONCAT($SYS_,x),%rax; KERNCALL; jb 2f; ret; \
| 55#else
56#define RSYSCALL(x) ENTRY(__CONCAT(__sys_,x)); \
57 .weak CNAME(x); \
58 .set CNAME(x),CNAME(__CONCAT(__sys_,x)); \
59 .weak CNAME(__CONCAT(_,x)); \
60 .set CNAME(__CONCAT(_,x)),CNAME(__CONCAT(__sys_,x)); \
61 mov __CONCAT($SYS_,x),%rax; KERNCALL; jb 2f; ret; \
|
60 2: jmp HIDENAME(cerror)
| 62 2: jmp HIDENAME(cerror); \
63 END(__CONCAT(__sys_,x))
|
61
62#define PSEUDO(x) ENTRY(__CONCAT(__sys_,x)); \
63 .weak CNAME(__CONCAT(_,x)); \
64 .set CNAME(__CONCAT(_,x)),CNAME(__CONCAT(__sys_,x)); \
65 mov __CONCAT($SYS_,x),%rax; KERNCALL; jb 2f; ret; \
| 64
65#define PSEUDO(x) ENTRY(__CONCAT(__sys_,x)); \
66 .weak CNAME(__CONCAT(_,x)); \
67 .set CNAME(__CONCAT(_,x)),CNAME(__CONCAT(__sys_,x)); \
68 mov __CONCAT($SYS_,x),%rax; KERNCALL; jb 2f; ret; \
|
66 2: jmp HIDENAME(cerror)
| 69 2: jmp HIDENAME(cerror); \
70 END(__CONCAT(__sys_,x))
|
67#endif
68
69#define KERNCALL movq %rcx, %r10; syscall
| 71#endif
72
73#define KERNCALL movq %rcx, %r10; syscall
|