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

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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 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($SYS_,x),%rax; KERNCALL; jb 2f; ret; \
46 2: movq PIC_GOT(HIDENAME(cerror)),%rcx; jmp *%rcx; \
47 END(__CONCAT(__sys_,x))
48
49#define PSEUDO(x) ENTRY(__CONCAT(__sys_,x)); \
50 .weak CNAME(__CONCAT(_,x)); \
51 .set CNAME(__CONCAT(_,x)),CNAME(__CONCAT(__sys_,x)); \
52 mov __CONCAT($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