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- /*-
- * Copyright (c) 1990 The Regents of the University of California.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
- #ifndef lint
- static char sccsid[] = "@(#)nlist.c 5.5 (Berkeley) 7/1/91";
- #endif /* not lint */
-
- #include <sys/param.h>
- #include <sys/time.h>
- #include <sys/proc.h>
- #include <nlist.h>
- #include <errno.h>
- #include <stdio.h>
- #include <string.h>
-
- #ifdef SPPWAIT
- #define NEWVM
- #endif
-
- struct nlist psnl[] = {
- {"_fscale"},
- #define X_FSCALE 0
- {"_ccpu"},
- #define X_CCPU 1
- #ifdef NEWVM
- {"_avail_start"},
- #define X_AVAILSTART 2
- {"_avail_end"},
- #define X_AVAILEND 3
- #else
- {"_ecmx"},
- #define X_ECMX 2
- #endif
- {NULL}
- };
-
- fixpt_t ccpu; /* kernel _ccpu variable */
- int nlistread; /* if nlist already read. */
- int mempages; /* number of pages of phys. memory */
- int fscale; /* kernel _fscale variable */
-
- #define kread(x, v) \
- kvm_read(psnl[x].n_value, (char *)&v, sizeof v) != sizeof(v)
-
- donlist()
- {
- extern int eval;
- int rval;
- #ifdef NEWVM
- int tmp;
- #endif
-
- rval = 0;
- nlistread = 1;
- if (kvm_nlist(psnl)) {
- nlisterr(psnl);
- eval = 1;
- return(1);
- }
- if (kread(X_FSCALE, fscale)) {
- (void)fprintf(stderr, "ps: fscale: %s\n", kvm_geterr());
- eval = rval = 1;
- }
- #ifdef NEWVM
- if (kread(X_AVAILEND, mempages)) {
- (void)fprintf(stderr, "ps: avail_start: %s\n", kvm_geterr());
- eval = rval = 1;
- }
- if (kread(X_AVAILSTART, tmp)) {
- (void)fprintf(stderr, "ps: avail_end: %s\n", kvm_geterr());
- eval = rval = 1;
- }
- mempages -= tmp;
- #else
- if (kread(X_ECMX, mempages)) {
- (void)fprintf(stderr, "ps: ecmx: %s\n", kvm_geterr());
- eval = rval = 1;
- }
- #endif
- if (kread(X_CCPU, ccpu)) {
- (void)fprintf(stderr, "ps: ccpu: %s\n", kvm_geterr());
- eval = rval = 1;
- }
- return(rval);
- }
-
- nlisterr(nl)
- struct nlist nl[];
- {
- int i;
-
- fprintf(stderr, "ps: nlist: can't find following symbols:");
- for (i = 0; nl[i].n_name != NULL; i++)
- if (nl[i].n_value == 0)
- fprintf(stderr, " %s", nl[i].n_name);
- fprintf(stderr, "\n");
- }
-