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0
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1 /*
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2
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3 Package: dyncall
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4 Library: test
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5 File: test/thunk/test_thunk.c
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6 Description:
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7 License:
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8
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9 Copyright (c) 2011-2015 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 #include "../../dyncall/dyncall.h"
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27 #include "../../dyncallback/dyncall_thunk.h"
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28 #include "../../dyncallback/dyncall_alloc_wx.h"
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29 #include "../common/platformInit.h"
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30 #include "../common/platformInit.c" /* Impl. for functions only used in this translation unit */
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31
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32
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33 /**
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34 ** test: thunks with several allocation modes
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35 ** such as on stack, on heap and explicit wx
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36 **
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37 **/
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38
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39 #include <assert.h>
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40 #include <errno.h>
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41
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42 void my_entry(const char* text)
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43 {
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44 printf("%s: 1\n", text);
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45 }
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46
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47 typedef void (printfun)(const char*);
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48
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49 void test_stack()
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50 {
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51 DCThunk t;
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52 printfun* fp;
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53 dcbInitThunk(&t, &my_entry);
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54 fp = (printfun*)&t;
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55 fp("stack");
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56 }
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57
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58 #include <stdlib.h>
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59
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60 void test_heap()
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61 {
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62 printfun* fp;
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63 DCThunk* p = (DCThunk*)malloc(sizeof(DCThunk));
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64 if(!p) {
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65 printf("0\n");
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66 return;
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67 }
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68 dcbInitThunk(p, &my_entry);
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69 fp = (printfun*)p;
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70 fp("heap");
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71 free(p);
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72 }
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73
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74 void test_wx()
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75 {
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76 DCThunk* p;
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77 printfun* fp;
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78 int err = dcAllocWX(sizeof(DCThunk), (void**)&p);
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79 if(err || !p) {
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80 printf("0\n");
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81 return;
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82 }
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83 dcbInitThunk(p, &my_entry);
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84 fp = (printfun*)p;
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85 fp("wx");
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86 dcFreeWX((void*)p, sizeof(DCThunk));
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87 }
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88
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89 int main()
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90 {
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91 dcTest_initPlatform();
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92
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93 printf("Allocating ...\n");
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94 printf("... W^X memory: ");
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95 test_wx();
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96 printf("... heap memory: ");
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97 test_heap();
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98 printf("... stack memory: ");
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99 test_stack();
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100
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101 dcTest_deInitPlatform();
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102
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103 return 0;
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104 }
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105
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