clueless

Using host libthread_db library "/lib/libthread_db.so.1".(gdb) startBreakpoint 1 at 0x4004bcStarting program: /home/*user*/thunk (no debugging symbols found)(no debugging symbols found)(no debugging symbols found)0x00000000004004bc in main ()(gdb) disassembleDump of assembler code for function main:0x00000000004004b8 <main+0>:	push   %rbp0x00000000004004b9 <main+1>:	mov    %rsp,%rbp0x00000000004004bc <main+4>:	mov    (%rsp),%rbx0x00000000004004c0 <main+8>:	retq   0x00000000004004c1 <main+9>:	leaveq 0x00000000004004c2 <main+10>:	retq   End of assembler dump.(gdb) x main+40x4004bc <main+4>:	0x241c8b48(gdb) x main+80x4004c0 <main+8>:	0x90c3c9c3(gdb) quit----#include <stdio.h>int main(void) {  __asm__("mov (%rsp),%rbx");  __asm__("ret");}