LU-LSP-b11:L11

gdb lietošana

Kods:

#include <stdio.h>
#include <memory.h>
#include <stdlib.h>
#include <unistd.h>

char string[] = "hello world 1234567890";

int crash(int *pi)
{
    *pi = 0x1;
}

int f(void)
{
    crash(NULL);
}

int main()
{ 
    f();
    printf("%s\n", string);
    return 0;
}

Makefile:

all:
	gcc -g a.c -o pd11

Lietošana:

gdb ./pd11
run
continue
break <address>
print <variable>
set <variable>
next
step

valgrind lietošana

valgrind --leak-check=full ./pd11

valgrind --tool=callgrind ./pd11

Tiks izveidots šāds fails: callgrind.out.<pid>, kur <pid> ir programmas ID. Pēc tam to var skatīties ar:

kcachegrind callgrind.out.6413