/*-
 * Copyright (c) 2007 Robert N. M. Watson
 * 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.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
 *
 * $FreeBSD: releng/9.2/usr.bin/procstat/procstat_vm.c 250871 2013-05-21 19:05:27Z trociny $
 */

#include <sys/param.h>
#include <sys/sysctl.h>
#include <sys/user.h>

#include <err.h>
#include <errno.h>
#include <libprocstat.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <libutil.h>

#include "procstat.h"

void
procstat_vm(struct procstat *procstat, struct kinfo_proc *kipp)
{
	struct kinfo_vmentry *freep, *kve;
	int ptrwidth;
	int i, cnt;
	const char *str;

	ptrwidth = 2*sizeof(void *) + 2;
	if (!hflag)
		printf("%5s %*s %*s %3s %4s %4s %3s %3s %4s %-2s %-s\n",
		    "PID", ptrwidth, "START", ptrwidth, "END", "PRT", "RES",
		    "PRES", "REF", "SHD", "FL", "TP", "PATH");

	freep = procstat_getvmmap(procstat, kipp, &cnt);
	if (freep == NULL)
		return;
	for (i = 0; i < cnt; i++) {
		kve = &freep[i];
		printf("%5d ", kipp->ki_pid);
		printf("%#*jx ", ptrwidth, (uintmax_t)kve->kve_start);
		printf("%#*jx ", ptrwidth, (uintmax_t)kve->kve_end);
		printf("%s", kve->kve_protection & KVME_PROT_READ ? "r" : "-");
		printf("%s", kve->kve_protection & KVME_PROT_WRITE ? "w" : "-");
		printf("%s ", kve->kve_protection & KVME_PROT_EXEC ? "x" : "-");
		printf("%4d ", kve->kve_resident);
		printf("%4d ", kve->kve_private_resident);
		printf("%3d ", kve->kve_ref_count);
		printf("%3d ", kve->kve_shadow_count);
		printf("%-1s", kve->kve_flags & KVME_FLAG_COW ? "C" : "-");
		printf("%-1s", kve->kve_flags & KVME_FLAG_NEEDS_COPY ? "N" :
		    "-");
		printf("%-1s", kve->kve_flags & KVME_FLAG_SUPER ? "S" : "-");
		printf("%-1s ", kve->kve_flags & KVME_FLAG_GROWS_UP ? "U" :
		    kve->kve_flags & KVME_FLAG_GROWS_DOWN ? "D" : "-");
		switch (kve->kve_type) {
		case KVME_TYPE_NONE:
			str = "--";
			break;
		case KVME_TYPE_DEFAULT:
			str = "df";
			break;
		case KVME_TYPE_VNODE:
			str = "vn";
			break;
		case KVME_TYPE_SWAP:
			str = "sw";
			break;
		case KVME_TYPE_DEVICE:
			str = "dv";
			break;
		case KVME_TYPE_PHYS:
			str = "ph";
			break;
		case KVME_TYPE_DEAD:
			str = "dd";
			break;
		case KVME_TYPE_SG:
			str = "sg";
			break;
		case KVME_TYPE_UNKNOWN:
		default:
			str = "??";
			break;
		}
		printf("%-2s ", str);
		printf("%-s\n", kve->kve_path);
	}
	free(freep);
}
