Mercurial > pub > dyncall > dyncall
annotate dyncallback/dyncall_callback_arm32.c @ 235:df556fd8ea37
Darwin/PPC:
- fix callback return values (unsure when it broke)
- simplified callback code removing unnecessary instructions and macros
author | Tassilo Philipp |
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date | Tue, 02 May 2017 02:47:34 +0200 |
parents | 030fbb70aa1b |
children | f5577f6bf97a |
rev | line source |
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0 | 1 /* |
2 | |
3 Package: dyncall | |
4 Library: dyncallback | |
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5 File: dyncallback/dyncall_callback_arm32.c |
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6 Description: Callback - Implementation for ARM32 (ARM and THUMB mode) |
0 | 7 License: |
8 | |
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9 Copyright (c) 2007-2016 Daniel Adler <dadler@uni-goettingen.de>, |
0 | 10 Tassilo Philipp <tphilipp@potion-studios.com> |
11 | |
12 Permission to use, copy, modify, and distribute this software for any | |
13 purpose with or without fee is hereby granted, provided that the above | |
14 copyright notice and this permission notice appear in all copies. | |
15 | |
16 THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | |
17 WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | |
18 MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR | |
19 ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | |
20 WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | |
21 ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | |
22 OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
23 | |
24 */ | |
25 | |
26 | |
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27 #include "dyncall_callback.h" |
0 | 28 #include "dyncall_alloc_wx.h" |
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29 #include "dyncall_thunk.h" |
0 | 30 |
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31 /* Callback symbol. */ |
0 | 32 extern void dcCallbackThunkEntry(); |
33 | |
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34 struct DCCallback |
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35 { |
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36 DCThunk thunk; // offset 0 |
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37 DCCallbackHandler* handler; // offset 12 |
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38 void* userdata; // offset 16 |
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39 }; |
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40 |
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41 |
0 | 42 void dcbInitCallback(DCCallback* pcb, const char* signature, DCCallbackHandler* handler, void* userdata) |
43 { | |
44 pcb->handler = handler; | |
45 pcb->userdata = userdata; | |
46 } | |
47 | |
48 | |
49 DCCallback* dcbNewCallback(const char* signature, DCCallbackHandler* handler, void* userdata) | |
50 { | |
51 int err; | |
52 DCCallback* pcb; | |
53 err = dcAllocWX(sizeof(DCCallback), (void**)&pcb); | |
202 | 54 if(err) |
55 return NULL; | |
56 | |
0 | 57 dcbInitThunk(&pcb->thunk, dcCallbackThunkEntry); |
58 dcbInitCallback(pcb, signature, handler, userdata); | |
202 | 59 |
60 err = dcInitExecWX(pcb, sizeof(DCCallback)); | |
61 if(err) { | |
62 dcFreeWX(pcb, sizeof(DCCallback)); | |
63 return NULL; | |
64 } | |
65 | |
0 | 66 return pcb; |
67 } | |
68 | |
69 | |
70 void dcbFreeCallback(DCCallback* pcb) | |
71 { | |
72 dcFreeWX(pcb, sizeof(DCCallback)); | |
73 } | |
74 | |
75 void* dcbGetUserData(DCCallback* pcb) | |
76 { | |
77 return pcb->userdata; | |
78 } | |
142 | 79 |