QString str("almafa");
qDebug() << str;

(gdb) printqs5static str
(Qt5 QString)0xffffdf50 length=6: "almafa"

|           0x00400ab7      488d45b0       leaq -0x50(%rbp), %rax
|           0x00400abb      488d55c0       leaq -0x40(%rbp), %rdx
|           0x00400abf      4889d6         movq %rdx, %rsi
|           0x00400ac2      4889c7         movq %rax, %rdi
|           0x00400ac5      e816feffff     callq sym.QMessageLogger::debug
|           0x00400aca      488d55a0       leaq -0x60(%rbp), %rdx
|           0x00400ace      488d45b0       leaq -0x50(%rbp), %rax
|           0x00400ad2      4889d6         movq %rdx, %rsi
|           0x00400ad5      4889c7         movq %rax, %rdi
|           0x00400ad8      e863020000     callq sym.QDebug::operator__