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
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
|
/*
* 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.
*/
#include <sys/asm_linkage.h>
#define NOP4 \
nop; \
nop; \
nop; \
nop;
#define NOP16 \
NOP4 \
NOP4 \
NOP4 \
NOP4
#define NOP64 \
NOP16 \
NOP16 \
NOP16 \
NOP16
#define NOP256 \
NOP64 \
NOP64 \
NOP64 \
NOP64
#if defined(lint)
void *
getfp(void)
{
return (NULL);
}
#ifndef UMEM_STANDALONE
void
_breakpoint(void)
{
return;
}
#endif
#else /* lint */
#if defined(__amd64)
ENTRY(getfp)
movq %rbp, %rax
ret
SET_SIZE(getfp)
#else /* __i386 */
ENTRY(getfp)
movl %ebp, %eax
ret
SET_SIZE(getfp)
#endif
#ifndef UMEM_STANDALONE
ENTRY(_breakpoint)
int $3
ret
SET_SIZE(_breakpoint)
#endif
.section ".ptctext", "ax"
.globl _malloc
.type _malloc, @function
.align ASM_ENTRY_ALIGN
_malloc:
jmp umem_malloc@PLT;
NOP256
NOP256
#if defined(__amd64)
NOP64
#endif
SET_SIZE(_malloc)
.section ".ptctext","ax"
.globl _free
.type _free, @function
.align ASM_ENTRY_ALIGN
_free:
jmp umem_malloc_free@PLT;
NOP256
NOP256
#if defined(__amd64)
NOP64
#endif
SET_SIZE(_free)
ANSI_PRAGMA_WEAK2(malloc,_malloc,function)
ANSI_PRAGMA_WEAK2(free,_free,function)
#endif /* lint */
|