| #include <cstdint> |
| |
| int main() { |
| constexpr uint32_t eax = 0x05060708; |
| constexpr uint32_t ebx = 0x15161718; |
| constexpr uint32_t ecx = 0x25262728; |
| constexpr uint32_t edx = 0x35363738; |
| constexpr uint32_t esp = 0x45464748; |
| constexpr uint32_t ebp = 0x55565758; |
| constexpr uint32_t esi = 0x65666768; |
| constexpr uint32_t edi = 0x75767778; |
| |
| asm volatile( |
| // save esp & ebp |
| "movd %%esp, %%mm0\n\t" |
| "movd %%ebp, %%mm1\n\t" |
| "\n\t" |
| "movl %4, %%esp\n\t" |
| "movl %5, %%ebp\n\t" |
| "\n\t" |
| "int3\n\t" |
| "\n\t" |
| // restore esp & ebp |
| "movd %%mm0, %%esp\n\t" |
| "movd %%mm1, %%ebp\n\t" |
| : |
| : "a"(eax), "b"(ebx), "c"(ecx), "d"(edx), "i"(esp), "i"(ebp), "S"(esi), |
| "D"(edi) |
| : "%mm0", "%mm1" |
| ); |
| |
| return 0; |
| } |