addressof.gdb

addressof.gdb

% gdb -q ./a.out
Reading symbols for shared libraries .. done
(gdb) list
1	#include <stdio.h>
2	
3	int main() {
4	  int int_var = 5;
5	  int *int_ptr;
6	
7	  int_ptr = &int_var; // int_varのアドレスをint_ptrに設定する
8	}
(gdb) break 8
Breakpoint 1 at 0x100000f33: file addressof.c, line 8.
(gdb) run
Starting program: /Users/kenji/Dropbox/home/work/github/study/a.out 
Reading symbols for shared libraries +........................ done

Breakpoint 1, main () at addressof.c:8
8	}
(gdb) print int_var
$1 = 5
(gdb) print &int_var
$2 = (int *) 0x7fff5fbff448
(gdb) print int_ptr
$3 = (int *) 0x7fff5fbff448
(gdb) print &int_ptr
$4 = (int **) 0x7fff5fbff440
(gdb)