ack/util/int/proctab.c

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1988-06-22 16:57:09 +00:00
/*
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
}