| 1 | #include <cstdint> |
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| 2 | |
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| 3 | int main() { |
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| 4 | constexpr uint32_t eax = 0x05060708; |
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| 5 | constexpr uint32_t ebx = 0x15161718; |
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| 6 | constexpr uint32_t ecx = 0x25262728; |
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| 7 | constexpr uint32_t edx = 0x35363738; |
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| 8 | constexpr uint32_t esp = 0x45464748; |
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| 9 | constexpr uint32_t ebp = 0x55565758; |
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| 10 | constexpr uint32_t esi = 0x65666768; |
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| 11 | constexpr uint32_t edi = 0x75767778; |
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| 12 | |
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| 13 | asm volatile( |
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| 14 | // save esp & ebp |
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| 15 | "movd %%esp, %%mm0\n\t" |
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| 16 | "movd %%ebp, %%mm1\n\t" |
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| 17 | "\n\t" |
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| 18 | "movl %4, %%esp\n\t" |
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| 19 | "movl %5, %%ebp\n\t" |
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| 20 | "\n\t" |
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| 21 | "int3\n\t" |
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| 22 | "\n\t" |
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| 23 | // restore esp & ebp |
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| 24 | "movd %%mm0, %%esp\n\t" |
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| 25 | "movd %%mm1, %%ebp\n\t" |
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| 26 | : |
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| 27 | : "a" (eax), "b" (ebx), "c" (ecx), "d" (edx), "i" (esp), "i" (ebp), "S" (esi), |
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| 28 | "D" (edi) |
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| 29 | : "%mm0" , "%mm1" |
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| 30 | ); |
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| 31 | |
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| 32 | return 0; |
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| 33 | } |
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| 34 | |
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