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MFH: r297023

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Add the ability to print out the module specific information in likely formats.
Among other things this gives us the ability to find out the syscall number of a dynamically loaded syscall that has a dynamicly allocated vector number.

Sponsored by:	Panzura inc.
This commit is contained in:
Julian Elischer 2016-07-14 04:30:42 +00:00
parent 58a123132b
commit 4111cc0c8f
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/stable/10/; revision=302800
2 changed files with 28 additions and 6 deletions
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4
sbin/kldstat/kldstat.8
View File

@ -35,10 +35,12 @@
.Nm
.Op Fl q
.Op Fl v
.Op Fl d
.Op Fl i Ar id
.Op Fl n Ar filename
.Nm
.Op Fl q
.Op Fl d
.Op Fl m Ar modname
.Sh DESCRIPTION
The
@ -50,6 +52,8 @@ The following options are available:
.Bl -tag -width indentXX
.It Fl v
Be more verbose.
.It Fl d
Show the module specific data (as int, unsigned int and unsigned long)
.It Fl i Ar id
Display the status of only the file with this ID.
.It Fl n Ar filename

30
sbin/kldstat/kldstat.c
View File

@ -35,19 +35,28 @@ __FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/module.h>
#include <sys/linker.h>
#include <strings.h>
#define POINTER_WIDTH ((int)(sizeof(void *) * 2 + 2))
static int showdata = 0;
static void
printmod(int modid)
{
struct module_stat stat;
bzero(&stat, sizeof(stat));
stat.version = sizeof(struct module_stat);
if (modstat(modid, &stat) < 0)
warn("can't stat module id %d", modid);
else
printf("\t\t%2d %s\n", stat.id, stat.name);
if (showdata) {
printf("\t\t%2d %s (%d, %u, 0x%lx)\n", stat.id, stat.name,
stat.data.intval, stat.data.uintval, stat.data.ulongval);
} else {
printf("\t\t%2d %s\n", stat.id, stat.name);
}
}
static void
@ -78,8 +87,8 @@ printfile(int fileid, int verbose)
static void
usage(void)
{
fprintf(stderr, "usage: kldstat [-q] [-v] [-i id] [-n filename]\n");
fprintf(stderr, " kldstat [-q] [-m modname]\n");
fprintf(stderr, "usage: kldstat [-d] [-q] [-v] [-i id] [-n filename]\n");
fprintf(stderr, " kldstat [-d] [-q] [-m modname]\n");
exit(1);
}
@ -94,8 +103,11 @@ main(int argc, char** argv)
char* modname = NULL;
char* p;
while ((c = getopt(argc, argv, "i:m:n:qv")) != -1)
while ((c = getopt(argc, argv, "di:m:n:qv")) != -1)
switch (c) {
case 'd':
showdata = 1;
break;
case 'i':
fileid = (int)strtoul(optarg, &p, 10);
if (*p != '\0')
@ -138,8 +150,14 @@ main(int argc, char** argv)
if (modstat(modid, &stat) < 0)
warn("can't stat module id %d", modid);
else {
printf("Id Refs Name\n");
printf("%3d %4d %s\n", stat.id, stat.refs, stat.name);
if (showdata) {
printf("Id Refs Name data..(int, uint, ulong)\n");
printf("%3d %4d %s (%d, %u, 0x%lx)\n", stat.id, stat.refs, stat.name,
stat.data.intval, stat.data.uintval, stat.data.ulongval);
} else {
printf("Id Refs Name\n");
printf("%3d %4d %s\n", stat.id, stat.refs, stat.name);
}
}
return 0;