lldb/test/Shell/Register/Inputs/x86-gp-read.cpp

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