mirror of
https://github.com/ioacademy-jikim/debugging
synced 2025-06-08 08:26:14 +00:00
171 lines
4.2 KiB
C
171 lines
4.2 KiB
C
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#include <stdio.h>
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void do_pushb_pos ( void )
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{
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unsigned int block[3];
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__asm__ __volatile__ (
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"movl %0, %%edx\n\t"
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"pushl $0x55555555\n\t"
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"movl %%esp, 0(%%edx)\n\t"
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".byte 0x6A,0x22\n\t"
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"movl %%esp, 4(%%edx)\n\t"
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"popl %%eax\n\t"
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"movl %%eax,8(%%edx)\n\t"
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"movl 0(%%edx),%%esp\n\t"
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"addl $4, %%esp"
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: : "r"(&block) : "eax","edx","cc","memory"
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);
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printf(" pushb_pos: delta %d, top32 0x%08x\n",
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block[0] - block[1], block[2]);
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}
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void do_pushb_neg ( void )
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{
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unsigned int block[3];
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__asm__ __volatile__ (
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"movl %0, %%edx\n\t"
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"pushl $0x55555555\n\t"
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"movl %%esp, 0(%%edx)\n\t"
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".byte 0x6A,0xEE\n\t"
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"movl %%esp, 4(%%edx)\n\t"
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"popl %%eax\n\t"
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"movl %%eax,8(%%edx)\n\t"
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"movl 0(%%edx),%%esp\n\t"
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"addl $4, %%esp"
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: : "r"(&block) : "eax","edx","cc","memory"
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);
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printf(" pushb_neg: delta %d, top32 0x%08x\n",
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block[0] - block[1], block[2]);
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}
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void do_pushw_pos ( void )
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{
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unsigned int block[3];
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__asm__ __volatile__ (
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"movl %0, %%edx\n\t"
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"pushl $0x55555555\n\t"
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"movl %%esp, 0(%%edx)\n\t"
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"pushw $0x3344\n\t"
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"movl %%esp, 4(%%edx)\n\t"
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"popl %%eax\n\t"
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"movl %%eax,8(%%edx)\n\t"
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"movl 0(%%edx),%%esp\n\t"
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"addl $4, %%esp"
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: : "r"(&block) : "eax","edx","cc","memory"
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);
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printf(" pushw_neg: delta %d, top32 0x%08x\n",
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block[0] - block[1], block[2]);
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}
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void do_pushw_neg ( void )
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{
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unsigned int block[3];
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__asm__ __volatile__ (
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"movl %0, %%edx\n\t"
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"pushl $0x55555555\n\t"
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"movl %%esp, 0(%%edx)\n\t"
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"pushw $0xDDCC\n\t"
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"movl %%esp, 4(%%edx)\n\t"
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"popl %%eax\n\t"
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"movl %%eax,8(%%edx)\n\t"
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"movl 0(%%edx),%%esp\n\t"
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"addl $4, %%esp"
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: : "r"(&block) : "eax","edx","cc","memory"
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);
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printf(" pushw_pos: delta %d, top32 0x%08x\n",
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block[0] - block[1], block[2]);
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}
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void do_pushl_pos ( void )
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{
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unsigned int block[3];
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__asm__ __volatile__ (
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"movl %0, %%edx\n\t"
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"pushl $0x55555555\n\t"
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"movl %%esp, 0(%%edx)\n\t"
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"pushl $0x67675656\n\t"
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"movl %%esp, 4(%%edx)\n\t"
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"popl %%eax\n\t"
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"movl %%eax,8(%%edx)\n\t"
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"movl 0(%%edx),%%esp\n\t"
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"addl $4, %%esp"
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: : "r"(&block) : "eax","edx","cc","memory"
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);
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printf(" pushl_pos: delta %d, top32 0x%08x\n",
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block[0] - block[1], block[2]);
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}
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void do_pushl_neg ( void )
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{
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unsigned int block[3];
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__asm__ __volatile__ (
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"movl %0, %%edx\n\t"
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"pushl $0x55555555\n\t"
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"movl %%esp, 0(%%edx)\n\t"
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"pushl $0x98988787\n\t"
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"movl %%esp, 4(%%edx)\n\t"
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"popl %%eax\n\t"
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"movl %%eax,8(%%edx)\n\t"
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"movl 0(%%edx),%%esp\n\t"
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"addl $4, %%esp"
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: : "r"(&block) : "eax","edx","cc","memory"
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);
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printf(" pushl_neg: delta %d, top32 0x%08x\n",
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block[0] - block[1], block[2]);
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}
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void do_66pushb_pos ( void )
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{
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unsigned int block[3];
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__asm__ __volatile__ (
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"movl %0, %%edx\n\t"
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"pushl $0x55555555\n\t"
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"movl %%esp, 0(%%edx)\n\t"
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".byte 0x66,0x6A,0x22\n\t"
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"movl %%esp, 4(%%edx)\n\t"
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"popl %%eax\n\t"
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"movl %%eax,8(%%edx)\n\t"
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"movl 0(%%edx),%%esp\n\t"
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"addl $4, %%esp"
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: : "r"(&block) : "eax","edx","cc","memory"
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);
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printf("66pushb_pos: delta %d, top32 0x%08x\n",
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block[0] - block[1], block[2]);
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}
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void do_66pushb_neg ( void )
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{
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unsigned int block[3];
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__asm__ __volatile__ (
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"movl %0, %%edx\n\t"
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"pushl $0x55555555\n\t"
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"movl %%esp, 0(%%edx)\n\t"
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".byte 0x66,0x6A,0xEE\n\t"
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"movl %%esp, 4(%%edx)\n\t"
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"popl %%eax\n\t"
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"movl %%eax,8(%%edx)\n\t"
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"movl 0(%%edx),%%esp\n\t"
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"addl $4, %%esp"
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: : "r"(&block) : "eax","edx","cc","memory"
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);
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printf("66pushb_neg: delta %d, top32 0x%08x\n",
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block[0] - block[1], block[2]);
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}
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int main ( void )
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{
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do_pushb_pos();
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do_pushb_neg();
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do_pushw_pos();
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do_pushw_neg();
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do_pushl_pos();
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do_pushl_neg();
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do_66pushb_pos();
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do_66pushb_neg();
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return 0;
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}
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