| 1 | #include <cstdint> |
|---|---|
| 2 | |
| 3 | int main() { |
| 4 | constexpr uint64_t rax = 0x0102030405060708; |
| 5 | constexpr uint64_t rbx = 0x1112131415161718; |
| 6 | constexpr uint64_t rcx = 0x2122232425262728; |
| 7 | constexpr uint64_t rdx = 0x3132333435363738; |
| 8 | constexpr uint64_t rsp = 0x4142434445464748; |
| 9 | constexpr uint64_t rbp = 0x5152535455565758; |
| 10 | constexpr uint64_t rsi = 0x6162636465666768; |
| 11 | constexpr uint64_t rdi = 0x7172737475767778; |
| 12 | |
| 13 | asm volatile( |
| 14 | // save rsp & rbp |
| 15 | "movq %%rsp, %%r8\n\t" |
| 16 | "movq %%rbp, %%r9\n\t" |
| 17 | "\n\t" |
| 18 | "movq %4, %%rsp\n\t" |
| 19 | "movq %5, %%rbp\n\t" |
| 20 | "\n\t" |
| 21 | "int3\n\t" |
| 22 | "\n\t" |
| 23 | // restore rsp & rbp |
| 24 | "movq %%r8, %%rsp\n\t" |
| 25 | "movq %%r9, %%rbp" |
| 26 | : |
| 27 | : "a"(rax), "b"(rbx), "c"(rcx), "d"(rdx), "i"(rsp), "i"(rbp), "S"(rsi), |
| 28 | "D"(rdi) |
| 29 | : "%r8", "%r9" |
| 30 | ); |
| 31 | |
| 32 | return 0; |
| 33 | } |
| 34 |