Commit Graph

25 Commits

Author SHA1 Message Date
Pav Lucistnik
1675c32154 - Fix crash when hitting unknown syscall. Copied from i386-fbsd.c
Approved by:	alfred
2006-05-15 21:03:02 +00:00
Brian Somers
0cf21b4f58 Add a -s flag for the same functionality as strace. Introduce a Name
type which is a String type that has no -s limitations applied to it.
Change most Strings in the code to Names and add a few extra syscalls,
namely munmap, read, rename and symlink.  This was enough to facilitate
following file descriptor allocations in the code more easily and
getting a hint at what's being read/written from/to files.  More
syscalls should really be added.

While here, fix an off-by-one bug in the buffer truncation code and
add a fflush so that truss's output reflects the syscall that the
program is stuck in.

Sponsored by:	Sophos/Activestate
MFC after:	2 weeks
2006-01-02 08:36:25 +00:00
Alfred Perlstein
2bae4eb308 Support readlink(2) better. Readlink does not nul terminate the
result buffer, so we need to format it ourselves.  The problem is
that the length is stored as the return value from readlink, so we
need to pass the return value from our syscall into print_arg.

Motivated by: truss garbage on my screen from reading /etc/malloc.conf.
2004-07-17 19:48:49 +00:00
David Malone
1bc99f1144 Move declarations of Procfd to a header file. 2004-01-07 14:29:45 +00:00
Marcel Moolenaar
1bcb5f5a96 Port truss(1) to 64-bit architectures:
o  Syscall return values do not fit in int on 64-bit architectures.
   Change the type of retval in <arch>_syscall_exit() to long and
   change the prototype of said function to return a long as well.
o  Change the prototype of print_syscall_ret() to take a long for
   the return address and change the format string accordingly.
o  Replace the code sequence
	tmp = malloc(X);
	sprintf(tmp, format, ...);
   with X by definition too small on 64-bit platforms by
        asprintf(&tmp, format, ...);

With these changes the output makes sense again, although it does
mess up the tabulation on ia64. Go widescreen...

Not tested on: alpha, sparc64.
2003-11-09 03:48:13 +00:00
David Malone
eb9741e47d Various cleanups of truss:
1) Missing include.
2) Constness.
3) ANSIfication.
4) Avoid some shadowing.
5) Add/clarify some error messages.
6) Some int functions were using return without a value.
7) Mark some parameters as unused.
8) Cast a value we know is non-negative to a size_t before comparing.
2002-11-09 22:46:51 +00:00
Matthew N. Dodd
37169f9446 - Use time.h not sys/time.h.
- Fix printf format errors.

Submitted by:	 bde
2002-08-06 12:46:14 +00:00
Matthew N. Dodd
42a389ac3e Diff reduction. 2002-08-05 13:23:41 +00:00
Bruce Evans
c69d844294 Include <sys/time.h> for the declaration of struct timeval. Do not
depend on namespace pollution in <signal.h>.  (truss shouldn't be
using timevals anyway, since it was implemented long after timevals
were obsoleted by timespecs.)
2002-08-04 10:57:41 +00:00
Matthew N. Dodd
9897b20356 Add options to print the argument and environment string parameters to
execve().

This could be done in a more general manner but it still wouldn't
be very pretty.

MFC after:	 3 weeks
2002-08-04 02:24:21 +00:00
Matthew N. Dodd
88a6987d40 Terminate the output line when a non-returning syscall is printed. 2002-08-04 01:28:13 +00:00
Matthew N. Dodd
c03bfcc871 Allow tracking fork()ed children.
PR:		 bin/25587 (in part)
MFC after:	3 weeks
2002-08-04 01:02:52 +00:00
Matthew N. Dodd
ec0bed25ba Parameterize globals.
PR:		bin/25587 (in part)
MFC after:	3 weeks
2002-08-04 00:46:48 +00:00
Mark Murray
bfc3d86a24 s/inline/__inline/ 2002-07-19 13:49:37 +00:00
Mark Murray
1be5d70444 Partial WARNS=1 fizes with NO_WERROR set to prevent world breakage.
Use __FBSDID().
2001-12-11 23:34:02 +00:00
Dag-Erling Smørgrav
6b9c8e04f9 Print the correct return code for successful Linux syscalls.
Submitted by:	Vitezslav Novy <vita@fio.cz>
PR:		32036
MFC after:	1 week
2001-11-17 17:18:36 +00:00
Dag-Erling Smørgrav
580e0a2b7a #include <sys/proc.h> where needed (for the stop event definitions) and
reorder includes everywhere to conform to style(9).
2001-10-22 02:02:00 +00:00
Sean Eric Fagan
6cb533fe1c Change the output of truss to more closely resemble SysV's. (Yes, it
really is much nicer looking.)

Submitted by:	"Matthew N. Dodd" <winter@jurai.net>
2000-03-18 08:49:41 +00:00
Peter Wemm
c3aac50f28 $Id$ -> $FreeBSD$ 1999-08-28 01:08:13 +00:00
Bruce Evans
22694ebad5 Fixed printf format errors. 1998-07-06 21:01:54 +00:00
Sean Eric Fagan
e46b99366d Revert the changes yet again, after some email from Bruce. Sorry. 1998-01-09 09:31:42 +00:00
Sean Eric Fagan
19db2a3c0b Proper way to do the previous mis-commit. Still not quite right, because
some header files (e.g., <err.h>) include <machine/something.h>, and this
will not pick up the right header files, so it may be removed eventually
anyway.  But some people who are not willing to build the right way
apparantly want this, so this is for them.
1998-01-09 00:39:10 +00:00
Philippe Charnier
3cf51049e0 Sort Xrefs. Use err(3). Remove uneeded #include.
Correct usage: one of {-p pid, command} is required.
Open output file when command line is fully analyzed: incorrect `truss -o f'
command does not create an empty file anymore.
1998-01-05 07:30:26 +00:00
Sean Eric Fagan
09d64da3a4 Add some copyright and license terms, at Jordan's request. Note that
syscall.h just refers to another file for the copyright notice.
1997-12-20 18:40:43 +00:00
Sean Eric Fagan
bbeaf6c0c9 Truss program. Requires procfs. 1997-12-06 05:23:12 +00:00