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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_thunk.h
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6 Description: Thunk - Interface
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7 License:
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8
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9 Copyright (c) 2007-2015 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 #ifndef DYNCALL_THUNK_H
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28 #define DYNCALL_THUNK_H
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29
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30 /**
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31 ** dyncall thunks
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32 **
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33 ** thunks are small-size hybrid code/data objects, created at run-time to
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34 ** be used as function pointers with associated data and entry functions.
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35 **
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36 ** The header contains code, that does load its address into a designated scratch
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37 ** register and will jump to a thunk function.
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38 **
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39 ** Thunk entry procedures are compiled functions, that are called as a result of
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40 ** a thunk function.
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41 ** There is one thunk entry currently for supporting callbacks.
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42 **
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43 ** Thunk context register ( ::= an available scratch register in the calling convention):
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44 **
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45 ** x86: eax
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46 ** x64: rax
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47 ** ppc: r2
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48 ** arm: r12
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49 ** arm64: x9
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50 **
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51 **/
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52
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53 #include "dyncall_macros.h"
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54
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55 typedef struct DCThunk_ DCThunk;
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56
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57 #ifdef __cplusplus
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58 extern "C" {
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59 #endif
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60
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61 void dcbInitThunk(DCThunk* p, void (*entry)());
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62
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63 #if defined(DC__Arch_Intel_x86)
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64 #include "dyncall_thunk_x86.h"
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65 #elif defined (DC__Arch_AMD64)
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66 #include "dyncall_thunk_x64.h"
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67 #elif defined (DC__Arch_PPC32)
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68 #include "dyncall_thunk_ppc32.h"
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69 #elif defined (DC__Arch_PPC64)
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70 #include "dyncall_thunk_ppc64.h"
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71 #elif defined (DC__Arch_ARM_ARM)
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72 #include "dyncall_thunk_arm32_arm.h"
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73 #elif defined (DC__Arch_ARM_THUMB)
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74 #include "dyncall_thunk_arm32_thumb.h"
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75 #elif defined (DC__Arch_MIPS)
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76 #include "dyncall_thunk_mips.h"
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77 #elif defined (DC__Arch_Sparc)
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78 #include "dyncall_thunk_sparc32.h"
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79 #elif defined (DC__Arch_Sparcv9)
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80 #include "dyncall_thunk_sparc64.h"
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81 #elif defined (DC__Arch_ARM64)
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82 #include "dyncall_thunk_arm64.h"
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83 #endif
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84
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85 #ifdef __cplusplus
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86 }
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87 #endif
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88
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89
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90 #endif /* DYNCALL_THUNK_H */
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