47 

    48 

    49 /* apparently libssp is missing from 10.4 SDK

    50    code from http://wiki.osdev.org/GCC_Stack_Smashing_Protector */

    51 void * __stack_chk_guard = NULL;

    52 

    53 void __stack_chk_guard_setup()

    54 {

    55     unsigned char * p;

    56     p = (unsigned char *) &__stack_chk_guard;

    57 

    58     /* If you have the ability to generate random numbers in your kernel then use them,

    59        otherwise for 32-bit code: *p = 0x00000aff; */

    60     *p = random();

    61 }

    62 

    63 void __attribute__((noreturn)) __stack_chk_fail()

    64 {

    65     /* put your panic function or similar in here */

    66     unsigned char * vid = (unsigned char *)0xB8000;

    67     vid[1] = 7;

    68     for(;;)

    69     vid[0]++;

    70 }

    71