uintptr
syssegbrk(va_list list)
{
int i;
uintptr addr;
Segment *s;
addr = va_arg(list, uintptr);
for(i = 0; i < NSEG; i++) {
s = up->seg[i];
if(s == nil || addr < s->base || addr >= s->top)
continue;
switch(s->type&SG_TYPE) {
case SG_TEXT:
case SG_DATA:
case SG_STACK:
case SG_PHYSICAL:
case SG_FIXED:
error(Ebadarg);
default:
return (uintptr)ibrk(va_arg(list, uintptr), i);
}
}
error(Ebadarg);
return 0; /* not reached */
}
long
syssegbrk(ulong *arg)
{
int i;
ulong addr;
Segment *s;
addr = arg[0];
for(i = 0; i < NSEG; i++) {
s = up->seg[i];
if(s == 0 || addr < s->base || addr >= s->top)
continue;
switch(s->type&SG_TYPE) {
case SG_TEXT:
case SG_DATA:
case SG_STACK:
error(Ebadarg);
default:
return ibrk(arg[1], i);
}
}
error(Ebadarg);
return 0; /* not reached */
}
/* For binary compatibility */
uintptr
sysbrk_(va_list list)
{
return (uintptr)ibrk(va_arg(list, uintptr), BSEG);
}
/* For binary compatibility */
long
sysbrk_(ulong *arg)
{
return ibrk(arg[0], BSEG);
}
