NetBSD/sys/ddb/db_xxx.c

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/* $NetBSD: db_xxx.c,v 1.2 1997/10/24 18:26:36 chuck Exp $ */
/*
* Copyright (c) 1982, 1986, 1989, 1991, 1993
* 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.
*
* from: kern_proc.c 8.4 (Berkeley) 1/4/94
*/
/*
* Miscellaneous DDB functions that are intimate (xxx) with various
* data structures and functions used by the kernel (proc, callout).
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/proc.h>
#include <sys/callout.h>
#include <sys/signalvar.h>
#include <machine/db_machdep.h>
#include <ddb/db_access.h>
#include <ddb/db_command.h>
#include <ddb/db_interface.h>
#include <ddb/db_lex.h>
#include <ddb/db_output.h>
#include <ddb/db_sym.h>
#include <ddb/db_extern.h>
void
db_kill_proc(addr, haddr, count, modif)
db_expr_t addr;
int haddr;
db_expr_t count;
char *modif;
{
struct proc *p;
db_expr_t pid, sig;
int t;
/* What pid? */
if (!db_expression(&pid)) {
db_error("pid?\n");
/*NOTREACHED*/
}
/* What sig? */
t = db_read_token();
if (t == tCOMMA) {
if (!db_expression(&sig)) {
db_error("sig?\n");
/*NOTREACHED*/
}
} else {
db_unread_token(t);
sig = 15;
}
if (db_read_token() != tEOL) {
db_error("?\n");
/*NOTREACHED*/
}
p = pfind((pid_t)pid);
if (p == NULL) {
db_error("no such proc\n");
/*NOTREACHED*/
}
psignal(p, (int)sig);
}
void
db_show_all_procs(addr, haddr, count, modif)
db_expr_t addr;
int haddr;
db_expr_t count;
char *modif;
{
char *mode;
int doingzomb = 0;
struct proc *p, *pp;
if (modif[0] == 0)
modif[0] = 'n'; /* default == normal mode */
mode = strchr("mawn", modif[0]);
if (mode == NULL || *mode == 'm') {
db_printf("usage: show all procs [/a] [/n] [/w]\n");
db_printf("\t/a == show process address info\n");
db_printf("\t/n == show normal process info [default]\n");
db_printf("\t/w == show process wait/emul info\n");
return;
}
p = allproc.lh_first;
switch (*mode) {
case 'a':
db_printf("PID %10s %18s %18s %18s\n",
"COMMAND", "STRUCT PROC *", "UAREA *", "VMSPACE/VM_MAP");
break;
case 'n':
db_printf("PID %10s %10s %10s S %7s %16s %7s\n",
"PPID", "PGRP", "UID", "FLAGS", "COMMAND", "WAIT");
break;
case 'w':
db_printf("PID %16s %8s %18s %s\n",
"COMMAND", "EMUL", "WAIT-CHANNEL", "WAIT-MSG");
break;
}
while (p != 0) {
pp = p->p_pptr;
if (p->p_stat) {
db_printf("%-10d ", p->p_pid);
switch (*mode) {
case 'a':
db_printf("%10.10s %18p %18p %18p\n",
p->p_comm, p, p->p_addr, p->p_vmspace);
break;
case 'n':
db_printf("%10d %10d %10d %d %#7x %16s %7.7s\n",
pp ? pp->p_pid : -1, p->p_pgrp->pg_id,
p->p_cred->p_ruid, p->p_stat, p->p_flag,
p->p_comm, (p->p_wchan && p->p_wmesg) ?
p->p_wmesg : "");
break;
case 'w':
db_printf("%16s %8s %18p %s\n", p->p_comm,
p->p_emul->e_name, p->p_wchan,
(p->p_wchan && p->p_wmesg) ?
p->p_wmesg : "");
break;
}
}
p = p->p_list.le_next;
if (p == 0 && doingzomb == 0) {
doingzomb = 1;
p = zombproc.lh_first;
}
}
}
void
db_show_callout(addr, haddr, count, modif)
db_expr_t addr;
int haddr;
db_expr_t count;
char *modif;
{
register struct callout *p1;
register int cum;
register int s;
db_expr_t offset;
char *name;
db_printf(" cum ticks arg func\n");
s = splhigh();
for (cum = 0, p1 = calltodo.c_next; p1; p1 = p1->c_next) {
register int t = p1->c_time;
if (t > 0)
cum += t;
db_find_sym_and_offset((db_addr_t)p1->c_func, &name, &offset);
if (name == NULL)
name = "?";
db_printf("%9d %9d %p %s (%p)\n",
cum, t, p1->c_arg, name, p1->c_func);
}
splx(s);
}