Commit Graph

98 Commits

Author SHA1 Message Date
Peter Wemm
9b0a8ba37a dumpmag is 'u_long dumpmag' in the kernel, not 'int'. If this worked on
the Alpha, it was because of luck that it was little endian.

Tidy up the dumpsize/dumppages confusion and the out of date comments.
2001-06-09 01:41:03 +00:00
Peter Wemm
1c08773e6e 'int dumpsize; /* memory size in bytes */' is not good for machines
with 2GB or more of ram.
2001-06-08 03:06:24 +00:00
Ruslan Ermilov
0a5779d45b - Backout botched attempt to introduce MANSECT feature.
- MAN[1-9] -> MAN.
2001-03-26 14:33:27 +00:00
Ruslan Ermilov
fe655281c5 Set the default manual section for sbin/ to 8. 2001-03-20 18:13:31 +00:00
Dag-Erling Smørgrav
867dd03869 Restore the -c option, which was accidentally removed from the getopt
string two revisions ago.
2001-03-06 01:58:30 +00:00
Dag-Erling Smørgrav
4c98f36d94 Document the new -k option in usage message and man page. 2001-02-16 16:28:36 +00:00
Dag-Erling Smørgrav
532c19016b Add a -k option that prevents clearing the dump after saving it.
Use sysctlbyname() instead of sysctl().

Clear up and simplify the version extraction code.

Attempt to detect stretches of zeroes in the dump and avoid writing
them to disk to save space and time.
2001-02-16 16:27:32 +00:00
Ruslan Ermilov
896eb7d10c Prepare for mdoc(7)NG. 2001-01-16 09:15:57 +00:00
Ruslan Ermilov
7c7fb079b9 mdoc(7) police: use the new features of the Nm macro. 2000-11-20 16:52:27 +00:00
Dag-Erling Smørgrav
c74e16f917 Work much harder at obtaining a correct device node. If what devname(3)
returns doesn't exist, or doesn't match the desired device, fall back to
scanning /dev for a matching node, and as a last resort, if that fails,
try to create the node ourselves as /dev/dump.

Add comments to several variables and functions.

Clean up syslog(3) usage; use %m instead of strerror(3).

Other minor cleanup.
2000-10-17 22:43:41 +00:00
Dag-Erling Smørgrav
c548151f51 Remove superfluous code:
1) use devname() instead of searching /dev for the dump device

   2) use fopen() instead of open() so we don't need to differentiate
      between compressing and not compressing when writing the core
      file or the kernel (zopen() returns a FILE *, so we just use
      fwrite() in both cases)

There should be no functional changes.
2000-09-28 20:09:36 +00:00
Peter Wemm
7365d61d00 I'm not sure what changed to cause this, but using 'dirname' as a variable
was colliding with dirname() in libc.a and causing a Sig 10/bus error.
Just change dirname to savedir and be done with it.
2000-09-03 07:02:00 +00:00
Paul Saab
e0ab5cb523 Tidy up the offset calculations.
Submitted by:	bde
2000-05-09 22:20:14 +00:00
Paul Saab
8df53a80dc Read the correct size into kdumplo.
Botched/Noticed by:	peter
2000-05-09 01:08:00 +00:00
Paul Saab
332dbf570d Allow savecore to work on > 2GB partitions.
Submitted by:	peter
2000-05-08 22:57:35 +00:00
Bruce Evans
e9ae1d4b2d Fixed style bugs in rev.1.28. Rev.1.28 was not submitted by bde. 2000-03-20 20:07:28 +00:00
Paul Saab
2837fe5558 Only character devices exsist these days. Make savecore understand
this.
2000-03-20 06:54:06 +00:00
David E. O'Brien
7c815b0db8 Fix bogus initialization of using a sledge hammer to quite -Wall, bad
indention, and size issue between 32 and 64bit machines.

Submitted by:	bde
1999-12-21 07:41:07 +00:00
David E. O'Brien
3eb8166fc0 When erroring out that there is not enough space to write the corefile,
tell the user how much space is avaible for writing the corefile, and how
much space we wanted.
1999-12-08 06:22:58 +00:00
Andrey A. Chernov
4805de8700 Allow character devices too 1999-11-30 03:48:04 +00:00
Poul-Henning Kamp
c43f30e13a Fix savecore so that it operates correctly on character devices with
sectorsizes up to 8k.

Pointed out by: sos
1999-08-31 18:12:44 +00:00
Peter Wemm
7f3dea244c $Id$ -> $FreeBSD$ 1999-08-28 00:22:10 +00:00
Luoqi Chen
93fcd374b4 Read dumpdev using sysctl(3) interface. Now savecore should work again
after the dev_t changes.
1999-05-13 04:29:09 +00:00
Andrew Gallatin
e22d00060d Fix savecore so that it works on alphas
Reviewed by: Doug Rabson <dfr@nlsystems.com>
1999-03-12 14:46:00 +00:00
Philippe Charnier
f9b52c93a5 Correct use of .Nm, add rcsid, remove unused #include. 1998-07-28 06:38:57 +00:00
Bruce Evans
836b4a7ff9 Fixed printf format errors. 1998-06-28 20:33:36 +00:00
Poul-Henning Kamp
90455566ee Pickup _time_second instead of _time 1998-03-30 10:10:29 +00:00
Warner Losh
8d64695c7c compare return value from getopt against -1 rather than EOF, per the final
posix standard on the topic.
1997-03-29 03:33:12 +00:00
Peter Wemm
c0ec1f37ef Revert $FreeBSD$ to $Id$ 1997-02-22 14:40:44 +00:00
Jordan K. Hubbard
1130b656e5 Make the long-awaited change from $Id$ to $FreeBSD$
This will make a number of things easier in the future, as well as (finally!)
avoiding the Id-smashing problem which has plagued developers for so long.

Boy, I'm glad we're not using sup anymore.  This update would have been
insane otherwise.
1997-01-14 07:20:47 +00:00
Joerg Wunsch
8df9b2ce24 Fix my yesterday's brain-o: don't account for the kilobytes twice. 1996-10-14 22:56:01 +00:00
Joerg Wunsch
927e7941a3 Yikes! Originally, i intended to apply the patch from PR # 1322,
but Bill has beaten me on this. ;-)

However, he missed the part to compute the kernelsize in kilobytes,
so the minfree consideration was now overcautious.  (I've also
changed the return type of dump_size() to void since int was useless.)

Being here, the fact that `vmcore' was written world-readable was just
a plain security hole: everybody who was able to crash a kernel could
later read any confidential information out of it at his will.  Create
it with umask 077 instead.
1996-10-13 20:55:45 +00:00
Bill Fenner
4731e263af Make the savecore command work like the man page says:
- make minfree work by getting the dump size before checking to see
  if the dump will fit on the filesystem
- also fail to dump if no minfree is specified but there are not enough
  free blocks.

Fix a typo in the man page.

Fixes PR bin/1322

Submitted by:	"Philippe C." <charnier@lirmm.fr>
1996-10-13 18:12:20 +00:00
David Greenman
0bade8bdd8 Cast the partial result of an expression to an off_t to fix an overflow
in the calculation of free disk space. Fixes PR#1569.

Submitted by:	Tor Egge <Tor.Egge@idt.ntnu.no>
1996-09-05 08:08:41 +00:00
Wolfram Schneider
6127186d3c a header file for zopen.3
Pointed out by: Philippe Charnier <charnier@lirmm.fr>
1996-08-20 20:49:39 +00:00
Poul-Henning Kamp
a8b878b7d1 NBPG -> getpagesize() 1996-05-02 09:09:04 +00:00
Peter Wemm
65219883c8 Add #include <vm/pmap.h> in order to make savecore compile again after the
last round of <vm/*.h> include file changes.
1995-12-13 11:36:20 +00:00
Garrett Wollman
656dcd4316 Delete bogus referneces to timezone code internal header file `tzfile.h',
which is no longer bogusly installed in /usr/include.
1995-08-07 19:17:46 +00:00
Joerg Wunsch
5eae614b13 Remove a newline from the output of savecore(8), so the bogus number
1024 that used to remain on a line of its own after savecore completed
its job will be overwritten later in the /etc/rc process.

Reviewed by:
Submitted by:	graichen@sirius.physik.fu-berlin.de (Thomas Graichen)
Obtained from:
1995-07-30 13:10:56 +00:00
Bruce Evans
50e2fb8055 Remove a bogus fclose. Normally the "w" stream for /var/crash/bounds was
fclosed twice and this didn't seem to cause any problems, but when
/var/crash was on an an unwritable nfs-mounted partition, fclose(NULL)
caused a core dump.
1995-07-11 17:03:44 +00:00
Rodney W. Grimes
5ebc7e6281 Remove trailing whitespace. 1995-05-30 06:12:45 +00:00
Joerg Wunsch
08e9e0741b The -N option takes one argument, hence the getopt control string
needs to have a colon for it.  Looks like nobody has tested this
so far.
1995-01-02 12:08:06 +00:00
Garrett Wollman
4be4929c2b Get rid of _PATH_UNIX completely; use getbootfile(3) instead.
DANGER WILL ROBINSON!
_PATH_UNIX is currently defined as the literal string "don't use this".
I am of two minds about this myself, but wanted to get something into the
tree as quickly as possible.
1994-09-24 00:08:43 +00:00
David Greenman
b3bfc7199e Converted 'vmunix' to 'kernel'. 1994-08-05 09:14:37 +00:00
Garrett Wollman
404c1a5fc1 Convert to our man installation style. Also fixed long-standing bug
in `fastboot'/`fasthalt' in which the interpreter would hang around
after `reboot' or `halt' is run, causing an irritating ``Killed'' message.
1994-08-05 02:42:42 +00:00
Rodney W. Grimes
9f5cdc1599 I know better than to edit files on freefall, next time take a patch file.
Change vm_paramh. to vm_param.h
1994-05-28 16:21:59 +00:00
Rodney W. Grimes
c33d416724 Must now include vm/vm.h and vm/vm_param.h due to the way we define KERNBASE.
Reviewed by:	David Greenman
1994-05-28 04:15:16 +00:00
Rodney W. Grimes
8fae3551ec BSD 4.4 Lite sbin Sources
Note:  XNSrouted and routed NOT imported here, they shall be imported with
usr.sbin.
1994-05-26 06:35:07 +00:00