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
|
/**
* Copyright (c) 2019, The Linux Foundation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of The Linux Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef SHARED_H
#define SHARED_H
#if defined(__NIX)
// TODO these sections not supported?
//static __so_func *__autostart[] __attribute__((section (".CRT$XIU"))) = { (__so_func*)__so_ctor };
//static __so_func *__autoexit[] __attribute__((section (".CRT$XPU"))) = { (__so_func*)__so_dtor };
#define SHARED_OBJECT_API_ENTRY(ctor, dtor)
#elif defined(_WIN32)
#include <windows.h>
typedef int __so_cb(void);
static __so_cb *__so_get_ctor();
static __so_cb *__so_get_dtor();
typedef void __so_func(void);
static void __so_ctor() {
(void)(__so_get_ctor())();
}
static void __so_dtor() {
(void)(__so_get_dtor())();
}
#pragma data_seg(".CRT$XIU")
static __so_func *__autostart[] = { (__so_func*)__so_ctor };
#pragma data_seg(".CRT$XPU")
static __so_func *__autoexit[] = { (__so_func*)__so_dtor };
#pragma data_seg()
#define SHARED_OBJECT_API_ENTRY(ctor, dtor)\
static __so_cb *__so_get_ctor() { return (__so_cb*)ctor; }\
static __so_cb *__so_get_dtor() { return (__so_cb*)dtor; }
#else //better be gcc
#define SHARED_OBJECT_API_ENTRY(ctor, dtor)\
__attribute__((constructor)) \
static void __ctor__##ctor(void) {\
(void)ctor();\
}\
\
__attribute__((destructor))\
static void __dtor__##dtor(void) {\
(void)dtor();\
}
#endif //ifdef _WIN32
#endif // SHARED_H
|
