virtual function c++ test

#include
#include

class baseA
{
public:
 virtual void PrintScreen()
 {
  int c = 5;
  printf("a100 = %d\n", c);

 };

 virtual void Add(int a, int b)
 {
  int c = a+b;
  printf("a100 = %d\n", c);

 };

 void PrintScreen(int a, int b, int c)
 {
  int d = a+b+c;
  char name[16];
  strcpy(name, "aspedit");
  double dd = 12.34;
  printf("a100 = %d\n", d);

 };
 int temp;
};

class baseB : public baseA
{
public:
 virtual void PrintScreen()
 {
  printf("b200\n");
 };

 virtual void Add(int a, int b)
 {
  int c = a+b;
  printf("b200 = %d\n", c);

 };

};

class baseC  : public baseB
{
public:
 virtual void PrintScreen()
 {
  printf("C300\n");
 };

 virtual void Add(int a, int b)
 {
  int c = a+b;
  printf("C300 = %d\n", c);

 };

};

int main(int argc, char * argv[])
{
 baseA *p = new baseC;
 baseB *pB = new baseB;
 baseC *pC = new baseC;
 p->PrintScreen(2, 3, 10);
 pB->PrintScreen();

  //baseB *pb = dynamic_cast(p);
 //baseC *pC = (baseC *)(p);
 baseB *pb = new baseB;
 p = (baseA *)pb;
  pb->PrintScreen();

 return 0;
}

 

/********************************************/

EAX = 00AEF050 EBX = 7FFDA000 ECX = 00AEDB80 EDX = 00AEF050 ESI = 7C91005D EDI = 00161378
EIP = 00401200 ESP = 0013FE9C EBP = 0013FEDC EFL = 00000206
         ESP = 0013FE98

参数空间
返回地址
push ebp
mov ebp, esp
stack空间
类地址

u winmain  反汇编
bc 0-1 清除断点
bp winmain 加断点
u printscreen
bu winmain
u main
bu main
bl
u test!baseA::PrintScreen
u test!baseA::PrintScreen (void)
u 00401440
k
r
ed 0013fe94 0
.restart /f
.detach
?6d1
t
p
.restart