1/*-
2 * Copyright (c) 2002 Benno Rice. All rights reserved.
3 * Copyright (c) 2002 David E. O'Brien. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

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22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * $NetBSD: SYS.h,v 1.8 2002/01/14 00:55:56 thorpej Exp $
30 * $FreeBSD: head/lib/libc/powerpc64/SYS.h 218824 2011-02-18 21:44:53Z nwhitehorn $
31 */
32
33#include <sys/syscall.h>
34#include <machine/asm.h>
35
36#define _SYSCALL(x) \
37 .text; \
38 .align 2; \
39 li 0,(__CONCAT(SYS_,x)); \
40 sc
41
42#define SYSCALL(x) \
43 .text; \
44 .align 2; \
452: mflr %r0; \
46 std %r0,16(%r1); \
47 stdu %r1,-48(%r1); \
48 bl CNAME(HIDENAME(cerror)); \
49 nop; \
50 addi %r1,%r1,48; \
51 ld %r0,16(%r1); \
52 mtlr %r0; \
53 blr; \
54ENTRY(__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 _SYSCALL(x); \
60 bso 2b
61
62#define PSEUDO(x) \
63 .text; \
64 .align 2; \
65ENTRY(__CONCAT(__sys_,x)); \
66 .weak CNAME(__CONCAT(_,x)); \
67 .set CNAME(__CONCAT(_,x)),CNAME(__CONCAT(__sys_,x)); \
68 _SYSCALL(x); \
69 bnslr; \
70 mflr %r0; \
71 std %r0,16(%r1); \
72 stdu %r1,-48(%r1); \
73 bl CNAME(HIDENAME(cerror)); \
74 nop; \
75 addi %r1,%r1,48; \
76 ld %r0,16(%r1); \
77 mtlr %r0; \
78 blr;
79
80#define RSYSCALL(x) \
81 .text; \
82 .align 2; \
83ENTRY(__CONCAT(__sys_,x)); \
84 .weak CNAME(x); \
85 .set CNAME(x),CNAME(__CONCAT(__sys_,x)); \
86 .weak CNAME(__CONCAT(_,x)); \
87 .set CNAME(__CONCAT(_,x)),CNAME(__CONCAT(__sys_,x)); \
88 _SYSCALL(x); \
89 bnslr; \
90 \
91 mflr %r0; \
92 std %r0,16(%r1); \
93 stdu %r1,-48(%r1); \
94 bl CNAME(HIDENAME(cerror)); \
95 nop; \
96 addi %r1,%r1,48; \
97 ld %r0,16(%r1); \
98 mtlr %r0; \
99 blr;