/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 1996-1998 by Sun Microsystems, Inc.
* All rights reserved.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <unistd.h>
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <ctype.h>
#include "kvm.h"
#include <nlist.h>
#include <sys/thread.h>
#include <sys/fcntl.h>
#include <sys/param.h>
#include <sys/user.h>
#include <sys/proc.h>
#include <sys/elf.h>
#ifdef __sparc
#include <sys/stack.h> /* for STACK_BIAS */
#else
#define STACK_BIAS 0
#endif
kvm_t *cookie;
struct proc *tst_getproc(pid_t);
struct proc *tst_nextproc(void);
struct user *tst_getu(struct proc *);
int tst_setproc(void);
int tst_getcmd(struct proc *, struct user *);
void tst_segkp(void);
void tst_nlist(struct nlist nl[]);
void tst_open(char *, char *, char *, int);
void tst_close(void);
ssize_t tst_read(uintptr_t, void *, size_t);
ssize_t tst_write(uintptr_t, void *, size_t);
int tst_getcmd(struct proc *, struct user *);
void tst_segkvp(void);
char *name;
char *core;
char *swap;
int wflag;
struct nlist nl[] = {
{"free"},
{"fragtbl"},
{"freemem"},
{"allthreads"},
{"nbuckets"},
{"cputype"},
{0}
};
int
main(int argc, char *argv[], char *envp[])
{
int c, errflg = 0;
long xx;
struct nlist *nlp;
struct proc *proc;
struct user *u;
int envc, ccnt;
for (envc = 0; *envp++ != NULL; envc++)
continue;
envp -= 2;
ccnt = (*envp - *argv) + strlen(*envp) + 1;
printf("pid %d:: %d args; %d envs; %d chars (%p - %p)\n",
getpid(), argc, envc, ccnt,
&argv[0], *envp + strlen(*envp));
while ((c = getopt(argc, argv, "w")) != EOF)
switch (c) {
case 'w':
wflag++;
break;
case '?':
errflg++;
}
if (errflg) {
fprintf(stderr, "usage: %s [-w] [name] [core] [swap]\n",
argv[0]);
return (2);
}
if (optind < argc) {
name = argv[optind++];
if (*name == '\0')
name = NULL;
} else
name = NULL;
if (optind < argc) {
core = argv[optind++];
if (*core == '\0')
core = NULL;
} else
core = NULL;
if (optind < argc) {
swap = argv[optind++];
if (*swap == '\0')
swap = NULL;
} else
swap = NULL;
tst_open(name, core, swap, (wflag ? O_RDWR : O_RDONLY));
if (cookie == NULL)
return (1);
tst_nlist(nl);
for (nlp = nl; nlp[0].n_type != 0; nlp++)
tst_read(nlp[0].n_value, &xx, sizeof (xx));
while ((proc = tst_nextproc()) != NULL) {
struct pid pid;
if (kvm_read(cookie, (uintptr_t)proc->p_pidp, &pid,
sizeof (pid)) != sizeof (pid)) {
printf("ERROR: couldn't get pid\n");
break;
}
tst_getproc(pid.pid_id);
}
tst_setproc();
while ((proc = tst_nextproc()) != NULL) {
if ((u = tst_getu(proc)) != NULL)
(void) tst_getcmd(proc, u);
}
tst_segkp();
tst_close();
return (0);
}
void
tst_open(char *namelist, char *corefile, char *swapfile, int flag)
{
printf("kvm_open(%s, %s, %s, %s)\n",
(namelist == NULL) ? "LIVE_KERNEL" : namelist,
(corefile == NULL) ? "LIVE_KERNEL" : corefile,
(swapfile == NULL) ?
((corefile == NULL) ? "LIVE_KERNEL" : "(none)") : swapfile,
(flag == O_RDONLY) ? "O_RDONLY" : ((flag == O_RDWR) ?
"O_RDWR" : "???"));
if ((cookie = kvm_open(namelist, corefile,
swapfile, flag, "libkvm test")) == NULL)
printf("ERROR: kvm_open returned %p\n", cookie);
}
void
tst_close(void)
{
int i;
printf("kvm_close()\n");
if ((i = kvm_close(cookie)) != 0)
printf("ERROR: kvm_close returned %d\n", i);
}
void
tst_nlist(struct nlist nl[])
{
int i;
char *t, *s;
printf("kvm_nlist([nl])\n");
if ((i = kvm_nlist(cookie, nl)) != 0)
printf("ERROR: kvm_nlist returned %d\n", i);
for (i = 0; nl[i].n_name != 0 && nl[i].n_name[0] != '\0'; i++) {
/*
* Debug:
* n_value gets filled in with st_value,
* n_type gets filled in w/ELF32_ST_TYPE(sym->st_info)
* n_scnum gets filled in w/st_shndx
*/
switch (nl[i].n_type) {
case STT_NOTYPE:
t = "NOTYPE";
break;
case STT_OBJECT:
t = "OBJECT";
break;
case STT_FUNC:
t = "FUNC";
break;
case STT_SECTION:
t = "SECTION";
break;
case STT_FILE:
t = "FILE";
break;
case STT_NUM:
t = "NUM";
break;
default:
t = "???";
}
switch ((unsigned)nl[i].n_scnum) {
static char strbuf[40];
case SHN_UNDEF:
s = "UNDEF";
break;
case SHN_LORESERVE:
s = "LORESERVE";
break;
case SHN_ABS:
s = "ABS";
break;
case SHN_COMMON:
s = "COMMON";
break;
case SHN_HIRESERVE:
s = "HIRESERVE";
break;
default:
(void) sprintf(strbuf, "unknown (%d)", nl[i].n_scnum);
s = strbuf;
break;
}
printf("%s: %lx (%s, %s)\n",
nl[i].n_name, nl[i].n_value, s, t);
}
}
ssize_t
tst_read(uintptr_t addr, void *buf, size_t nbytes)
{
ssize_t e;
int i;
char *b;
printf("kvm_read(%lx, [buf], %lu)\n", addr, nbytes);
if ((e = kvm_read(cookie, addr, buf, nbytes)) != nbytes)
printf("ERROR: kvm_read returned %ld instead of %lu\n",
e, nbytes);
for (b = buf, i = 0; i < nbytes; b++, i++)
printf("%lx: %02x (%04o)\n", addr + i,
*b & 0xff, *b & 0xff);
return (e);
}
ssize_t
tst_write(uintptr_t addr, void *buf, size_t nbytes)
{
ssize_t e;
ssize_t i;
void *b;
printf("kvm_write(%lx, [buf], %lu)\n", addr, nbytes);
if ((e = kvm_write(cookie, addr, buf, nbytes)) != nbytes)
printf("ERROR: kvm_write returned %ld instead of %lu\n",
e, nbytes);
if ((b = malloc(nbytes)) == 0)
printf("ERROR: malloc for readback failed\n");
else {
if ((i = kvm_read(cookie, addr, b, nbytes)) != nbytes)
printf("ERROR: readback returned %ld\n", i);
else if (memcmp(b, buf, nbytes))
printf("ERROR: write check failed!\n");
(void) free(b);
}
return (e);
}
struct proc *
tst_getproc(pid_t pid)
{
struct proc *proc;
struct pid pidbuf;
printf("kvm_getproc(%d)\n", pid);
if ((proc = kvm_getproc(cookie, pid)) == NULL) {
printf("ERROR: kvm_getproc returned NULL\n");
return (proc);
}
if (kvm_read(cookie, (uintptr_t)proc->p_pidp, &pidbuf,
sizeof (pidbuf)) != sizeof (pidbuf)) {
printf("ERROR: couldn't get pid\n");
return (proc);
}
printf("p_pid: %d\n", pidbuf.pid_id);
return (proc);
}
struct proc *
tst_nextproc(void)
{
struct proc *proc;
struct pid pidbuf;
printf("kvm_nextproc()\n");
if ((proc = kvm_nextproc(cookie)) == NULL) {
printf("kvm_nextproc returned NULL\n");
return (proc);
}
/*
* p_pid is now a macro which turns into a ptr dereference;
* must do a kvm_read to get contents.
*/
if (kvm_read(cookie, (u_long)proc->p_pidp, (char *)&pidbuf,
sizeof (struct pid)) != sizeof (struct pid)) {
printf("ERROR: couldn't get pid\n");
}
printf("p_pid: %d\n", pidbuf.pid_id);
return (proc);
}
int
tst_setproc(void)
{
int i;
printf("kvm_setproc()\n");
if ((i = kvm_setproc(cookie)) != 0)
printf("ERROR: kvm_setproc returned %d\n", i);
return (i);
}
struct user *
tst_getu(struct proc *proc)
{
register int e;
struct proc tp;
struct user *u;
struct pid pidbuf;
if (kvm_read(cookie, (uintptr_t)proc->p_pidp, &pidbuf,
sizeof (pidbuf)) != sizeof (pidbuf))
printf("ERROR: couldn't get pid\n");
printf("kvm_getu(pid:%d)\n", pidbuf.pid_id);
if ((u = kvm_getu(cookie, proc)) == NULL)
printf("ERROR: kvm_getu returned NULL\n");
return (u);
}
static void
safe_printf(const char *s)
{
char buf[BUFSIZ], *p;
(void) strncpy(buf, s, BUFSIZ - 1);
buf[BUFSIZ - 1] = '\0';
for (p = buf; *p != '\0'; p++) {
if (!isprint(*p))
*p = ' ';
}
(void) printf("\"%s\"\n", buf);
}
int
tst_getcmd(struct proc *proc, struct user *u)
{
char **arg;
char **env;
int i;
char **p;
struct pid pidbuf;
if (kvm_kread(cookie, (uintptr_t)proc->p_pidp, &pidbuf,
sizeof (pidbuf)) != sizeof (pidbuf)) {
printf("ERROR: couldn't get pid\n");
return (-1);
}
printf("kvm_getcmd(pid:%d, [u], arg, env)\n", pidbuf.pid_id);
if ((i = kvm_getcmd(cookie, proc, u, &arg, &env)) != 0) {
printf("kvm_getcmd returned %d\n", i);
return (i);
}
printf("Args: ");
for (p = arg; *p != NULL; p++)
safe_printf(*p);
printf("Env: ");
for (p = env; *p != NULL; p++)
safe_printf(*p);
(void) free(arg);
(void) free(env);
return (0);
}
void
tst_segkp(void)
{
kthread_t t;
caddr_t tp, alltp;
uintptr_t stk[16];
int i;
if (kvm_read(cookie, nl[3].n_value, &alltp, sizeof (alltp))
!= sizeof (alltp)) {
printf("ERROR: couldn't read allthread, addr 0x%lx\n",
nl[3].n_value);
return;
}
printf("allthreads 0x%lx\n", nl[3].n_value);
printf("next offset 0x%lx\n",
(uintptr_t)&(t.t_next) - (uintptr_t)&t);
for (tp = alltp; tp; tp = (caddr_t)(t.t_next)) {
if (kvm_read(cookie,
(uintptr_t)tp, &t, sizeof (t)) != sizeof (t)) {
printf("ERROR: couldn't read thread, addr 0x%p\n", tp);
return;
}
printf("thread 0x%p\n", tp);
printf("\tstk 0x%p sp 0x%lx tid %d next 0x%p prev 0x%p\n",
tp, t.t_stk, t.t_pcb.val[1], t.t_tid, t.t_next, t.t_prev);
if (kvm_read(cookie, t.t_pcb.val[1] + STACK_BIAS, stk,
sizeof (stk)) != sizeof (stk)) {
printf("ERROR: couldn't read stack, taddr 0x%p\n", tp);
continue;
}
for (i = 0; i < 16; i++) {
printf("%-16lx ", stk[i]);
if (((i + 1) % 4) == 0)
printf("\n");
}
if ((caddr_t)(t.t_next) == alltp)
break;
}
}