首先,我認爲這是更合適的是使用
watch i >= 3
爲了打破時i變爲大於2
至於循環,直到在C語言的本地varible小於3。這是它的一個GDB腳本:
while (i < 3)
s
end
這C++代碼,以展示出一種GDB循環:
#include <stdio.h>
int main()
{
for (int i=0; i< 10; ++i) {
printf ("i: %d\n", i);
}
return 0;
}
這是一個GDB測試:
D:\>gdb -q a
Reading symbols from D:\a.exe...done.
(gdb) start
Temporary breakpoint 1 at 0x401395: file main.cpp, line 4.
Starting program: D:\a.exe
[New Thread 3780.0x144]
Temporary breakpoint 1, main() at main.cpp:4
4 {
(gdb) n
5 for (int i=0; i< 10; ++i) {
(gdb)
6 printf ("i: %d\n", i);
(gdb) while (i<3)
>s
>end
i: 0
5 for (int i=0; i< 10; ++i) {
6 printf ("i: %d\n", i);
i: 1
5 for (int i=0; i< 10; ++i) {
6 printf ("i: %d\n", i);
i: 2
5 for (int i=0; i< 10; ++i) {
6 printf ("i: %d\n", i);
(gdb) p i
$1 = 3
(gdb)