int
backtrace(void **buffer, int size)
{
int i;
for (i = 1; getframeaddr(i + 1) != NULL && i != size + 1; i++) {
buffer[i - 1] = getreturnaddr(i);
if (buffer[i - 1] == NULL)
break;
}
return (i - 1);
}
uintptr_t
getstackcookie(void)
{
int i;
uintptr_t r;
void *p;
r = 0;
for (i = 1; i < STACKTRAVERSE_MAX_LEVELS + 1 && getframeaddr(i) != NULL; i++) {
p = getreturnaddr(i);
r ^= (uintptr_t)p;
if (p == topframe || p == NULL)
break;
}
return (r);
}
int
backtrace(void **buffer, int size)
{
int i;
if (size > STACKTRAVERSE_MAX_LEVELS)
size = STACKTRAVERSE_MAX_LEVELS;
for (i = 1; i < size + 1 && getframeaddr(i) != NULL; i++) {
buffer[i - 1] = getreturnaddr(i);
if (buffer[i - 1] == NULL)
break;
if (buffer[i - 1] == topframe)
return i;
}
return i - 1;
}