34 lines · cpp
1#include <cstdint>2 3int 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 & rbp15 "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 & rbp24 "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