int main(){
rbp_init=get_rbp();
rsp_init=get_rsp();
printf("stack pointer of main = %ld\n",rsp_init);
printf("frame pointer of main = %ld\n",rbp_init);
print_stack_frame();
// recur(1);
}
void stack_trace()
{
offset_t *rbp, *rip;
printf("\n------ Setup Stack Trace [rsp: 0x%X | rip 0x%X]\n",
get_rsp(), get_pc());
rbp = (offset_t*)get_rbp();
while(rbp && rbp < &__kernel_start__)
{
rip = (offset_t*)(*(rbp+1));
rbp = (offset_t*)(*rbp);
printf("%X\n", (offset_t)rip);
}
}
int recur(int x){
count++;
get_rbp_2;
get_rsp_2;
printf("%rbp is %ld, using register local var it's %ld\n",get_rbp(),rbp);
printf("%rsp is %ld, using register local var it's %ld\n",get_rsp(),rsp);
printf("rbp difference is %ld\n",rbp_init-rbp);
printf("rsp difference is %ld\n",rsp_init-rsp);
printf("recursion depth is %ld\n",((rsp_init-rsp)/48));
printf("frame number (using rsp) %ld\n",frameCount());
printf("frame number (using rbp) %ld\n",(rbp_init-getFP().rbp)/48);
if(x<0){
return -1;
} else {
return recur(recur(x+x));
}
}
