1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
|
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2004 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/*
* The following c routine has appropriate interface semantics
* for the chaining combination template. On the sparc architecture
* the assembly routine is further tuned to make it tail recursive.
*
* void
* prb_chain_entry(void *a, void *b, void *c)
* {
* prb_chain_down(a, b, c);
* prb_chain_next(a, b, c);
* }
*/
.ident "%Z%%M% %I% %E% SMI"
.file "%M%"
.data
.align 4
.globl prb_callinfo
prb_callinfo:
.4byte 1 /* offset */
.4byte 0 /* shift right */
.4byte 0xffffffff /* mask */
.text
.align 4
.globl prb_chain_entry
.globl prb_chain_down
.local chain_down
.globl prb_chain_next
.local chain_next
.globl prb_chain_end
prb_chain_entry:
#if defined(__amd64)
/* XX64 -- fix me */
#else
pushl %ebp
movl %esp, %ebp
pushl %edi
pushl %esi
pushl %ebx
movl 16(%ebp), %ebx
pushl %ebx
movl 12(%ebp), %edi
pushl %edi
movl 8(%ebp), %esi
pushl %esi
#endif
prb_chain_down:
chain_down:
#if defined(__amd64)
/* XX64 -- fix me */
#else
call chain_down
addl $12, %esp
pushl %ebx
pushl %edi
pushl %esi
#endif
prb_chain_next:
chain_next:
#if defined(__amd64)
/* XX64 -- fix me */
#else
call chain_next
addl $12, %esp
popl %ebx
popl %esi
popl %edi
leave
#endif
ret
prb_chain_end:
nop
|
