call stack and stack buffer overflow

http://en.wikipedia.org/wiki/Call_stack

http://en.wikipedia.org/wiki/Stack_buffer_overflow

Stack_buffer_overflow里提到的frame pointer 的位置不一样，不同的系统实现应该是不一样的。

运行时的栈是从高地址向低地址分配的，堆是从低地址向高地址分配的，如：

int main()

{
2

int a;
3

int b;
4

int *pc = new int;
5

int *pd = new int;
6

printf("%x\n", &a);//栈地址
7

printf("%x\n", &b);//栈地址
8

printf("%x\n", &pc);//栈地址
9

printf("%x\n", &pd);//栈地址
10

printf("%x\n", pc);//堆地址
11

printf("%x\n", pd);//堆地址
12

return 0;
13

}

结果类似是这样的：

20fa58
2

20fa4c
3

20fa40
4

20fa34
5

354bb8
6

354bf8

update Apr. 26, 2011:

apue 2nd 7.6. Memory Layout of a C Program:

The stack grows from higher-numbered addresses to lower-numbered addresses on this particular architecture(x86).

转载于:https://www.cnblogs.com/lbsx/archive/2009/10/28/1591628.html

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