C++反编译-类的继承

;35 :        DExtend de; - - - - - - main栈 - - - - - -
0x401369    lea    -0x10(%ebp),%eax
0x40136c    mov    %eax,%ecx
0x40136e    call   0x438628 <DExtend::DExtend()> //定义时调用空构造函数
0x40138a    lea    -0x10(%ebp),%eax
0x40138d    mov    %eax,%ecx
0x40138f    call   0x438640 <DExtend::~DExtend()> //退出时调用析构函数
0x401394    mov    %ebx,%eax
;36 :        de.showNumber(agrc);
0x401373    lea    -0x10(%ebp),%eax
0x401376    mov    (%ebx),%edx //传入第一个形参
0x401378    mov    %edx,(%esp)
0x40137b    mov    %eax,%ecx
0x40137d    call   0x4385c8 <DExtend::showNumber(int)> //调用showNumber函数
0x401382    sub    $0x4,%esp

;22 :    class DExtend: public CBase {
0x438628    push   %ebp
0x438629    mov    %esp,%ebp
0x43862b    sub    $0x18,%esp
0x43862e    mov    %ecx,-0xc(%ebp) //
0x438631    mov    -0xc(%ebp),%eax
0x438634    mov    %eax,%ecx
0x438636    call   0x438598 <CBase::CBase()> //调用父类构造函数
0x43863b    nop
0x43863c    leave
0x43863d    ret

;7  :        CBase() {
0x438598    push   %ebp
0x438599    mov    %esp,%ebp
0x43859b    sub    $0x28,%esp
0x43859e    mov    %ecx,-0xc(%ebp)
;8  :            printf("CBase...\n");
0x4385a1    movl   $0x4b9024,(%esp)
0x4385a8    call   0x430b30 <puts> //调用无参打印函数puts
;9  :        }
0x4385ad    nop
0x4385ae    leave
0x4385af    ret

;24 :        void showNumber(int number) {
0x4385c8    push   %ebp
0x4385c9    mov    %esp,%ebp
0x4385cb    sub    $0x28,%esp
0x4385ce    mov    %ecx,-0xc(%ebp)
;25 :            setNumber(number);
0x4385d1    mov    -0xc(%ebp),%eax
0x4385d4    mov    0x8(%ebp),%edx //传入形参一
0x4385d7    mov    %edx,(%esp)
0x4385da    mov    %eax,%ecx
0x4385dc    call   0x438580 <CBase::setNumber(int)> 调用setNumber
0x4385e1    sub    $0x4,%esp
;26 :            dNumber = number + 1;
0x4385e4    mov    0x8(%ebp),%eax 
0x4385e7    lea    0x1(%eax),%edx //传入形参一+1的结果 
0x4385ea    mov    -0xc(%ebp),%eax
0x4385ed    mov    %edx,0x4(%eax) //传给类变量dNumber
;27 :            printf("cNumber: %d\n", getNumber());
0x4385f0    mov    -0xc(%ebp),%eax
0x4385f3    mov    %eax,%ecx
0x4385f5    call   0x438570 <CBase::getNumber()> //调用getNumber
0x4385fa    mov    %eax,0x4(%esp) //传入getNumber返回值
0x4385fe    movl   $0x4b9037,(%esp)
0x438605    call   0x430b38 <printf>
;28 :            printf("dNumber: %d\n", dNumber);
0x43860a    mov    -0xc(%ebp),%eax
0x43860d    mov    0x4(%eax),%eax //取类变量dNumber
0x438610    mov    %eax,0x4(%esp)
0x438614    movl   $0x4b9044,(%esp)
0x43861b    call   0x430b38 <printf>
;29 :        }
0x438620    nop
0x438621    leave
0x438622    ret    $0x4

;13 :        void setNumber(int number) {
0x438580    push   %ebp
0x438581    mov    %esp,%ebp
0x438583    sub    $0x4,%esp
0x438586    mov    %ecx,-0x4(%ebp)
;14 :            cNumber = number;
0x438589    mov    -0x4(%ebp),%eax
0x43858c    mov    0x8(%ebp),%edx
0x43858f    mov    %edx,(%eax)
;15 :        }
0x438591    nop
0x438592    leave
0x438593    ret    $0x4

;16 :        int getNumber() {
0x438570    push   %ebp
0x438571    mov    %esp,%ebp
0x438573    sub    $0x4,%esp
0x438576    mov    %ecx,-0x4(%ebp)
;17 :            return cNumber;
0x438579    mov    -0x4(%ebp),%eax
0x43857c    mov    (%eax),%eax
;18 :        }
0x43857e    leave
0x43857f    ret