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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (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 2008 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#include <stdio.h>
#include <stdio_ext.h>
#include <stdlib.h>
#include <unistd.h>
#include <ctype.h>
#include <string.h>
#include <limits.h>
#include <libproc.h>
#include <proc_service.h>
static int show_map(void *, const prmap_t *, const char *);
static char *command;
int
main(int argc, char **argv)
{
int rc = 0;
int opt;
int errflg = 0;
int Fflag = 0;
int lflag = 0;
core_content_t content = CC_CONTENT_DATA | CC_CONTENT_ANON;
struct rlimit rlim;
if ((command = strrchr(argv[0], '/')) != NULL)
command++;
else
command = argv[0];
/* options */
while ((opt = getopt(argc, argv, "Fl")) != EOF) {
switch (opt) {
case 'F': /* force grabbing (no O_EXCL) */
Fflag = PGRAB_FORCE;
break;
case 'l': /* show unresolved link map names */
lflag = 1;
break;
default:
errflg = 1;
break;
}
}
argc -= optind;
argv += optind;
if (errflg || argc <= 0) {
(void) fprintf(stderr,
"usage:\t%s [-Fl] { pid | core } ...\n", command);
(void) fprintf(stderr,
" (report process dynamic libraries)\n");
(void) fprintf(stderr,
" -F: force grabbing of the target process\n"
" -l: show unresolved dynamic linker map names\n");
return (2);
}
/*
* Make sure we'll have enough file descriptors to handle a target
* that has many many mappings.
*/
if (getrlimit(RLIMIT_NOFILE, &rlim) == 0) {
rlim.rlim_cur = rlim.rlim_max;
(void) setrlimit(RLIMIT_NOFILE, &rlim);
(void) enable_extended_FILE_stdio(-1, -1);
}
(void) proc_initstdio();
while (argc-- > 0) {
char *arg;
int gcode;
psinfo_t psinfo;
struct ps_prochandle *Pr;
(void) proc_flushstdio();
if ((Pr = proc_arg_grab(arg = *argv++, PR_ARG_ANY,
PGRAB_RETAIN | Fflag, &gcode)) == NULL) {
(void) fprintf(stderr, "%s: cannot examine %s: %s\n",
command, arg, Pgrab_error(gcode));
rc++;
continue;
}
(void) memcpy(&psinfo, Ppsinfo(Pr), sizeof (psinfo_t));
proc_unctrl_psinfo(&psinfo);
if (Pstate(Pr) == PS_DEAD) {
if ((Pcontent(Pr) & content) != content) {
(void) fprintf(stderr, "%s: core '%s' has "
"insufficient content\n", command, arg);
rc++;
continue;
}
(void) printf("core '%s' of %d:\t%.70s\n",
arg, (int)psinfo.pr_pid, psinfo.pr_psargs);
} else {
(void) printf("%d:\t%.70s\n",
(int)psinfo.pr_pid, psinfo.pr_psargs);
}
if (Pgetauxval(Pr, AT_BASE) != -1L && Prd_agent(Pr) == NULL) {
(void) fprintf(stderr, "%s: warning: librtld_db failed "
"to initialize; shared library information will "
"not be available\n", command);
}
if (lflag)
rc += Pobject_iter(Pr, show_map, Pr);
else
rc += Pobject_iter_resolved(Pr, show_map, Pr);
Prelease(Pr, 0);
}
(void) proc_finistdio();
return (rc);
}
static int
show_map(void *cd, const prmap_t *pmap, const char *object_name)
{
char pathname[PATH_MAX];
struct ps_prochandle *Pr = cd;
const auxv_t *auxv;
int len;
/* omit the executable file */
if (strcmp(pmap->pr_mapname, "a.out") == 0)
return (0);
/* also omit the dynamic linker */
if (ps_pauxv(Pr, &auxv) == PS_OK) {
while (auxv->a_type != AT_NULL) {
if (auxv->a_type == AT_BASE) {
if (pmap->pr_vaddr == auxv->a_un.a_val)
return (0);
break;
}
auxv++;
}
}
/* freedom from symlinks; canonical form */
if ((len = resolvepath(object_name, pathname, sizeof (pathname))) > 0)
pathname[len] = '\0';
else
(void) strncpy(pathname, object_name, sizeof (pathname));
(void) printf("%s\n", pathname);
return (0);
}
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