75 lines
1.4 KiB
C
75 lines
1.4 KiB
C
/*
|
|
Handling the proctable
|
|
*/
|
|
|
|
/* $Header$ */
|
|
|
|
#include "logging.h"
|
|
#include "global.h"
|
|
#include "log.h"
|
|
#include "alloc.h"
|
|
#include "proctab.h"
|
|
|
|
struct proc *proctab;
|
|
PRIVATE long pr_cnt;
|
|
|
|
init_proctab()
|
|
{
|
|
proctab = (struct proc *)
|
|
Malloc(NProc * sizeof (struct proc), "proctable");
|
|
pr_cnt = 0;
|
|
}
|
|
|
|
add_proc(nloc, ep)
|
|
size nloc;
|
|
ptr ep;
|
|
{
|
|
register struct proc *pr = &proctab[pr_cnt++];
|
|
register struct proc *p;
|
|
register ptr ff = DB;
|
|
|
|
LOG((" r6 add_proc: pr_cnt = %ld, nloc = %lu, ep = %lu",
|
|
pr_cnt-1, nloc, ep));
|
|
if (ep > DB)
|
|
fatal("procedure entry point outside text segment");
|
|
|
|
pr->pr_nloc = nloc;
|
|
pr->pr_ep = ep;
|
|
/* examine all old proc descriptors */
|
|
for (p = &proctab[0]; p < pr; p++) {
|
|
if ( /* the old one starts earlier */
|
|
p->pr_ep < pr->pr_ep
|
|
&& /* it seems to end later */
|
|
p->pr_ff > pr->pr_ep
|
|
) { /* update its limit */
|
|
p->pr_ff = pr->pr_ep;
|
|
}
|
|
if ( /* the old one starts later */
|
|
p->pr_ep > pr->pr_ep
|
|
&& /* our limit is beyond the old procedure entry point*/
|
|
ff > p->pr_ep
|
|
) { /* update our limit */
|
|
ff = p->pr_ep;
|
|
}
|
|
}
|
|
pr->pr_ff = ff;
|
|
}
|
|
|
|
end_init_proctab()
|
|
{
|
|
#ifdef LOGGING
|
|
register long p;
|
|
|
|
if (!check_log(" r6"))
|
|
return;
|
|
|
|
for (p = 0; p < NProc; p++) {
|
|
register struct proc *pr = &proctab[p];
|
|
|
|
LOG((" r5: proctab[%ld]: nloc = %d, ep = %lu, ff = %lu",
|
|
p, pr->pr_nloc, pr->pr_ep, pr->pr_ff));
|
|
}
|
|
#endif LOGGING
|
|
}
|
|
|