1 2 #include <stdio.h> 3 4 void do_pushb_pos ( void ) 5 { 6 unsigned int block[3]; 7 __asm__ __volatile__ ( 8 "movl %0, %%edx\n\t" 9 "pushl $0x55555555\n\t" 10 "movl %%esp, 0(%%edx)\n\t" 11 ".byte 0x6A,0x22\n\t" 12 "movl %%esp, 4(%%edx)\n\t" 13 "popl %%eax\n\t" 14 "movl %%eax,8(%%edx)\n\t" 15 "movl 0(%%edx),%%esp\n\t" 16 "addl $4, %%esp" 17 : : "r"(&block) : "eax","edx","cc","memory" 18 ); 19 printf(" pushb_pos: delta %d, top32 0x%08x\n", 20 block[0] - block[1], block[2]); 21 } 22 23 void do_pushb_neg ( void ) 24 { 25 unsigned int block[3]; 26 __asm__ __volatile__ ( 27 "movl %0, %%edx\n\t" 28 "pushl $0x55555555\n\t" 29 "movl %%esp, 0(%%edx)\n\t" 30 ".byte 0x6A,0xEE\n\t" 31 "movl %%esp, 4(%%edx)\n\t" 32 "popl %%eax\n\t" 33 "movl %%eax,8(%%edx)\n\t" 34 "movl 0(%%edx),%%esp\n\t" 35 "addl $4, %%esp" 36 : : "r"(&block) : "eax","edx","cc","memory" 37 ); 38 printf(" pushb_neg: delta %d, top32 0x%08x\n", 39 block[0] - block[1], block[2]); 40 } 41 42 void do_pushw_pos ( void ) 43 { 44 unsigned int block[3]; 45 __asm__ __volatile__ ( 46 "movl %0, %%edx\n\t" 47 "pushl $0x55555555\n\t" 48 "movl %%esp, 0(%%edx)\n\t" 49 "pushw $0x3344\n\t" 50 "movl %%esp, 4(%%edx)\n\t" 51 "popl %%eax\n\t" 52 "movl %%eax,8(%%edx)\n\t" 53 "movl 0(%%edx),%%esp\n\t" 54 "addl $4, %%esp" 55 : : "r"(&block) : "eax","edx","cc","memory" 56 ); 57 printf(" pushw_neg: delta %d, top32 0x%08x\n", 58 block[0] - block[1], block[2]); 59 } 60 61 void do_pushw_neg ( void ) 62 { 63 unsigned int block[3]; 64 __asm__ __volatile__ ( 65 "movl %0, %%edx\n\t" 66 "pushl $0x55555555\n\t" 67 "movl %%esp, 0(%%edx)\n\t" 68 "pushw $0xDDCC\n\t" 69 "movl %%esp, 4(%%edx)\n\t" 70 "popl %%eax\n\t" 71 "movl %%eax,8(%%edx)\n\t" 72 "movl 0(%%edx),%%esp\n\t" 73 "addl $4, %%esp" 74 : : "r"(&block) : "eax","edx","cc","memory" 75 ); 76 printf(" pushw_pos: delta %d, top32 0x%08x\n", 77 block[0] - block[1], block[2]); 78 } 79 80 void do_pushl_pos ( void ) 81 { 82 unsigned int block[3]; 83 __asm__ __volatile__ ( 84 "movl %0, %%edx\n\t" 85 "pushl $0x55555555\n\t" 86 "movl %%esp, 0(%%edx)\n\t" 87 "pushl $0x67675656\n\t" 88 "movl %%esp, 4(%%edx)\n\t" 89 "popl %%eax\n\t" 90 "movl %%eax,8(%%edx)\n\t" 91 "movl 0(%%edx),%%esp\n\t" 92 "addl $4, %%esp" 93 : : "r"(&block) : "eax","edx","cc","memory" 94 ); 95 printf(" pushl_pos: delta %d, top32 0x%08x\n", 96 block[0] - block[1], block[2]); 97 } 98 99 void do_pushl_neg ( void ) 100 { 101 unsigned int block[3]; 102 __asm__ __volatile__ ( 103 "movl %0, %%edx\n\t" 104 "pushl $0x55555555\n\t" 105 "movl %%esp, 0(%%edx)\n\t" 106 "pushl $0x98988787\n\t" 107 "movl %%esp, 4(%%edx)\n\t" 108 "popl %%eax\n\t" 109 "movl %%eax,8(%%edx)\n\t" 110 "movl 0(%%edx),%%esp\n\t" 111 "addl $4, %%esp" 112 : : "r"(&block) : "eax","edx","cc","memory" 113 ); 114 printf(" pushl_neg: delta %d, top32 0x%08x\n", 115 block[0] - block[1], block[2]); 116 } 117 118 119 void do_66pushb_pos ( void ) 120 { 121 unsigned int block[3]; 122 __asm__ __volatile__ ( 123 "movl %0, %%edx\n\t" 124 "pushl $0x55555555\n\t" 125 "movl %%esp, 0(%%edx)\n\t" 126 ".byte 0x66,0x6A,0x22\n\t" 127 "movl %%esp, 4(%%edx)\n\t" 128 "popl %%eax\n\t" 129 "movl %%eax,8(%%edx)\n\t" 130 "movl 0(%%edx),%%esp\n\t" 131 "addl $4, %%esp" 132 : : "r"(&block) : "eax","edx","cc","memory" 133 ); 134 printf("66pushb_pos: delta %d, top32 0x%08x\n", 135 block[0] - block[1], block[2]); 136 } 137 138 void do_66pushb_neg ( void ) 139 { 140 unsigned int block[3]; 141 __asm__ __volatile__ ( 142 "movl %0, %%edx\n\t" 143 "pushl $0x55555555\n\t" 144 "movl %%esp, 0(%%edx)\n\t" 145 ".byte 0x66,0x6A,0xEE\n\t" 146 "movl %%esp, 4(%%edx)\n\t" 147 "popl %%eax\n\t" 148 "movl %%eax,8(%%edx)\n\t" 149 "movl 0(%%edx),%%esp\n\t" 150 "addl $4, %%esp" 151 : : "r"(&block) : "eax","edx","cc","memory" 152 ); 153 printf("66pushb_neg: delta %d, top32 0x%08x\n", 154 block[0] - block[1], block[2]); 155 } 156 157 158 int main ( void ) 159 { 160 do_pushb_pos(); 161 do_pushb_neg(); 162 do_pushw_pos(); 163 do_pushw_neg(); 164 do_pushl_pos(); 165 do_pushl_neg(); 166 167 do_66pushb_pos(); 168 do_66pushb_neg(); 169 return 0; 170 } 171
