回答編集履歴
2
回答に追記
test
CHANGED
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@@ -89,3 +89,41 @@
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89
89
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90
90
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91
91
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うーん、再現しませんねー
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92
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+
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93
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94
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95
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---
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96
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97
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+
別回答にあったようにちょっと実験
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98
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99
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```C
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100
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+
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101
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102
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103
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+
int main()
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104
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105
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{
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106
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107
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unsigned char* test=(void*)0x7ffffffed210; //0x7ffffffed210が先頭メモリ
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108
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109
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unsigned char *pointer;
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110
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111
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112
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113
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pointer = (int)move_add(test);
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114
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115
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printf("%p-%p\n",test,pointer); //0xfffffffffffed211
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116
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117
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return 0;
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118
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119
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}
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120
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121
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122
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123
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```
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124
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+
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125
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00007FFFFFFED210-FFFFFFFFFFFED211
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126
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+
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127
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+
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128
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+
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129
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なるほど、そゆことねｗ
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1
回答に追記
test
CHANGED
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@@ -3,3 +3,89 @@
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3
3
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4
4
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5
5
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とやってみよう
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6
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7
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8
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9
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---
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10
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11
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```C
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12
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13
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unsigned char *move_add(unsigned char *recv_p)
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14
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15
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{
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16
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17
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recv_p++;
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18
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19
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return recv_p; //0x7ffffffed211
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20
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21
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}
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22
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23
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24
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25
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int main()
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26
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27
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{
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28
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29
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unsigned char test[100]; //0x7ffffffed210が先頭メモリ
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30
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+
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31
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unsigned char *pointer;
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32
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33
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34
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35
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pointer = move_add(test);
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36
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37
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+
printf("%p-%p\n",test,pointer); //0xfffffffffffed211
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38
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+
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39
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return 0;
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40
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+
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41
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}
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42
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43
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44
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45
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```
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46
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47
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実行結果
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48
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+
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49
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+
000000000061FDB0-000000000061FDB1
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50
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51
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+
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52
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+
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53
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+
ウチではこうなりますね
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54
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+
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55
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+
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56
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+
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57
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ついでに
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58
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+
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59
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```C
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60
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+
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61
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+
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62
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+
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63
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+
int main()
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64
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+
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65
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+
{
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66
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+
|
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67
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+
unsigned char* test=(void*)0x7ffffffed210; //0x7ffffffed210が先頭メモリ
|
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68
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+
|
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69
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+
unsigned char *pointer;
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70
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+
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71
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+
|
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72
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+
|
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73
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+
pointer = move_add(test);
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74
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+
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75
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+
printf("%p-%p\n",test,pointer); //0xfffffffffffed211
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76
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+
|
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77
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+
return 0;
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78
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+
|
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79
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+
}
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80
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+
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81
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+
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82
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+
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83
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```
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84
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+
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85
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+
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86
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+
|
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87
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+
00007FFFFFFED210-00007FFFFFFED211
|
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88
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+
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89
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+
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90
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+
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91
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+
うーん、再現しませんねー
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