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