1*418b791dSBob Badour /**
2*418b791dSBob Badour * Copyright (c) 2019, The Linux Foundation. All rights reserved.
3*418b791dSBob Badour *
4*418b791dSBob Badour * Redistribution and use in source and binary forms, with or without
5*418b791dSBob Badour * modification, are permitted provided that the following conditions are
6*418b791dSBob Badour * met:
7*418b791dSBob Badour * * Redistributions of source code must retain the above copyright
8*418b791dSBob Badour * notice, this list of conditions and the following disclaimer.
9*418b791dSBob Badour * * Redistributions in binary form must reproduce the above
10*418b791dSBob Badour * copyright notice, this list of conditions and the following
11*418b791dSBob Badour * disclaimer in the documentation and/or other materials provided
12*418b791dSBob Badour * with the distribution.
13*418b791dSBob Badour * * Neither the name of The Linux Foundation nor the names of its
14*418b791dSBob Badour * contributors may be used to endorse or promote products derived
15*418b791dSBob Badour * from this software without specific prior written permission.
16*418b791dSBob Badour *
17*418b791dSBob Badour * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
18*418b791dSBob Badour * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
19*418b791dSBob Badour * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
20*418b791dSBob Badour * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
21*418b791dSBob Badour * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22*418b791dSBob Badour * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23*418b791dSBob Badour * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
24*418b791dSBob Badour * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
25*418b791dSBob Badour * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
26*418b791dSBob Badour * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
27*418b791dSBob Badour * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28*418b791dSBob Badour */
29*418b791dSBob Badour
30*418b791dSBob Badour #ifndef SHARED_H
31*418b791dSBob Badour #define SHARED_H
32*418b791dSBob Badour
33*418b791dSBob Badour #if defined(__NIX)
34*418b791dSBob Badour // TODO these sections not supported?
35*418b791dSBob Badour //static __so_func *__autostart[] __attribute__((section (".CRT$XIU"))) = { (__so_func*)__so_ctor };
36*418b791dSBob Badour //static __so_func *__autoexit[] __attribute__((section (".CRT$XPU"))) = { (__so_func*)__so_dtor };
37*418b791dSBob Badour
38*418b791dSBob Badour #define SHARED_OBJECT_API_ENTRY(ctor, dtor)
39*418b791dSBob Badour
40*418b791dSBob Badour #elif defined(_WIN32)
41*418b791dSBob Badour #include <windows.h>
42*418b791dSBob Badour
43*418b791dSBob Badour typedef int __so_cb(void);
44*418b791dSBob Badour static __so_cb *__so_get_ctor();
45*418b791dSBob Badour static __so_cb *__so_get_dtor();
46*418b791dSBob Badour
47*418b791dSBob Badour typedef void __so_func(void);
__so_ctor()48*418b791dSBob Badour static void __so_ctor() {
49*418b791dSBob Badour (void)(__so_get_ctor())();
50*418b791dSBob Badour }
51*418b791dSBob Badour
__so_dtor()52*418b791dSBob Badour static void __so_dtor() {
53*418b791dSBob Badour (void)(__so_get_dtor())();
54*418b791dSBob Badour }
55*418b791dSBob Badour
56*418b791dSBob Badour #pragma data_seg(".CRT$XIU")
57*418b791dSBob Badour static __so_func *__autostart[] = { (__so_func*)__so_ctor };
58*418b791dSBob Badour #pragma data_seg(".CRT$XPU")
59*418b791dSBob Badour static __so_func *__autoexit[] = { (__so_func*)__so_dtor };
60*418b791dSBob Badour #pragma data_seg()
61*418b791dSBob Badour
62*418b791dSBob Badour #define SHARED_OBJECT_API_ENTRY(ctor, dtor)\
63*418b791dSBob Badour static __so_cb *__so_get_ctor() { return (__so_cb*)ctor; }\
64*418b791dSBob Badour static __so_cb *__so_get_dtor() { return (__so_cb*)dtor; }
65*418b791dSBob Badour
66*418b791dSBob Badour #else //better be gcc
67*418b791dSBob Badour
68*418b791dSBob Badour #define SHARED_OBJECT_API_ENTRY(ctor, dtor)\
69*418b791dSBob Badour __attribute__((constructor)) \
70*418b791dSBob Badour static void __ctor__##ctor(void) {\
71*418b791dSBob Badour (void)ctor();\
72*418b791dSBob Badour }\
73*418b791dSBob Badour \
74*418b791dSBob Badour __attribute__((destructor))\
75*418b791dSBob Badour static void __dtor__##dtor(void) {\
76*418b791dSBob Badour (void)dtor();\
77*418b791dSBob Badour }
78*418b791dSBob Badour
79*418b791dSBob Badour #endif //ifdef _WIN32
80*418b791dSBob Badour
81*418b791dSBob Badour #endif // SHARED_H
82