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annotate dyncallback/dyncall_args_mips_o32.c @ 102:b7a9b524f0c3

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- mips o32 callbacks, first draft (calls into handler correctly, with correct params, but doesn't return)
author cslag
date Tue, 07 Jun 2016 09:05:34 +0200
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children dbca6763f2be
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102
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1 /*
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2
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3 Package: dyncall
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4 Library: dyncallback
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5 File: dyncallback/dyncall_args_mips.c
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6 Description: Callback's Arguments VM - Implementation for MIPS
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7 License:
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8
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9 Copyright (c) 2013-2015 Daniel Adler <dadler@uni-goettingen.de>,
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10 Tassilo Philipp <tphilipp@potion-studios.com>
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11
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12 Permission to use, copy, modify, and distribute this software for any
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13 purpose with or without fee is hereby granted, provided that the above
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14 copyright notice and this permission notice appear in all copies.
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15
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16 THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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17 WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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18 MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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19 ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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20 WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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21 ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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22 OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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23
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24 */
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25
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26
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27 #include "dyncall_args_mips.h"
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28
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29 DCint dcbArgInt(DCArgs* p)
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30 {
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31 DCint value;
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32 value = *((int*)p->stackptr);
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33 p->stackptr += sizeof(int);
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34 return value;
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35 }
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36 DCuint dcbArgUInt(DCArgs* p) { return (DCuint)dcbArgInt(p); }
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37
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38 DCulonglong dcbArgULongLong(DCArgs* p)
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39 {
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40 DCulonglong value;
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41 p->stackptr += ((int)p->stackptr & 4); // Skip one slot if not aligned.
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42 #if defined(DC__Endian_LITTLE)
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43 value = dcbArgUInt(p);
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44 value |= ((DCulonglong)dcbArgUInt(p)) << 32;
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45 #else
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46 value = ((DCulonglong)dcbArgUInt(p)) << 32;
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47 value |= dcbArgUInt(p);
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48 #endif
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49 return value;
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50 }
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51 DClonglong dcbArgLongLong(DCArgs* p) { return (DClonglong)dcbArgULongLong(p); }
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52
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53 DClong dcbArgLong (DCArgs* p) { return (DClong) dcbArgUInt(p); }
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54 DCulong dcbArgULong (DCArgs* p) { return (DCulong) dcbArgUInt(p); }
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55 DCchar dcbArgChar (DCArgs* p) { return (DCchar) dcbArgUInt(p); }
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56 DCuchar dcbArgUChar (DCArgs* p) { return (DCuchar) dcbArgUInt(p); }
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57 DCshort dcbArgShort (DCArgs* p) { return (DCshort) dcbArgUInt(p); }
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58 DCushort dcbArgUShort (DCArgs* p) { return (DCushort) dcbArgUInt(p); }
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59 DCbool dcbArgBool (DCArgs* p) { return (DCbool) dcbArgUInt(p); }
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60 DCpointer dcbArgPointer(DCArgs* p) { return (DCpointer)dcbArgUInt(p); }
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61
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62 DCfloat dcbArgFloat(DCArgs* p)
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63 {
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64 DCfloat result;
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65 result = *((float*)p->stackptr);
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66 p->stackptr += sizeof(float);
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67 return result;
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68 }
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69 DCdouble dcbArgDouble(DCArgs* p)
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70 {
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71 union {
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72 DCdouble result;
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73 DCfloat f[2];
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74 } d;
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75 p->stackptr += ((int)p->stackptr & 4); // Skip one slot if not aligned.
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76 #if defined(DC__Endian_LITTLE)
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77 d.f[0] = dcbArgFloat(p);
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78 d.f[1] = dcbArgFloat(p);
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79 #else
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80 d.f[1] = dcbArgFloat(p);
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81 d.f[0] = dcbArgFloat(p);
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82 #endif
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83 return d.result;
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84 }
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85