Re: gdb and Windows 2000

Re: gdb and Windows 2000

[Mohammad Saleem]

 Hi all,
I have also a similar problem but on WinNT 4.0.
I have installed the recent version of Cygwin.
I compile the program as follow:
% gcc -g -o test test.c
% gdb test.exe
As a result of this a get a browser window with different icons to
proceed for debugging along with my source code file.
When I press "run" icon, a dos like window apprears and everything
fryses. I have to restart the computer.
Can anybody point me out that what is going wrong?
thanks
/Mohammad


  Corinna Vinschen <cygwin@cygwin.com> wrote:

On Tue, Sep 04, 2001 at 10:36:46PM -0700, Michael Ubell wrote:
> Has anyone gotten gdb to work on Windows 2000 (with cygwin, of
course)?
>
> Below is a simple program which runs but not under gdb. I have
downloaded
> and built gdb but cannot debug it either. I can run the version
> of gdb shipped with cygwin, but it has no symbols. See below:

Works for me.

Corinna

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gdb and Windows 2000

[Jean-Marc Eurin]

Hello,

I would like to continue the discussion in the thread
at
http://sources.redhat.com/ml/cygwin/2001-09/msg00170.html

I have exactly the same problem:
je734613:jme/tmp> cat test.c
main() {

        printf ("hello\n");
}
je734613:jme/tmp>gcc -g -o test test.c
je734613:jme/tmp> gdb -nw ./test
GNU gdb 5.0 (20010428-3)
Copyright 2001 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General
Public License, and you are
welcome to change it and/or distribute copies of it
under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB.  Type "show
warranty" for details.
This GDB was configured as "i686-pc-cygwin"...
(gdb) r
Starting program: /home/jmeurin/tmp/jme.exe

Program received signal SIGSEGV, Segmentation fault.
0x77d8b3ee in _libkernel32_a_iname ()
(gdb) bt
#0  0x77d8b3ee in _libkernel32_a_iname ()
#1  0x751520c6 in _libkernel32_a_iname ()
#2  0x77d8baec in _libkernel32_a_iname ()
#3  0x77d8b77a in _libkernel32_a_iname ()
#4  0x77d8bcd6 in _libkernel32_a_iname ()
#5  0x77d8bc71 in _libkernel32_a_iname ()
#6  0x77d8b789 in _libkernel32_a_iname ()
#7  0x77da8714 in _libkernel32_a_iname ()
#8  0x75153044 in _libkernel32_a_iname ()
#9  0x751aa4b2 in _libkernel32_a_iname ()
#10 0x751aa595 in _libkernel32_a_iname ()
#11 0x751a8a36 in _libkernel32_a_iname ()
#12 0x61067cec in _libkernel32_a_iname ()
#13 0x61068256 in _libkernel32_a_iname ()
#14 0x61003d4f in _libkernel32_a_iname ()
#15 0x6100421d in _libkernel32_a_iname ()
#16 0x6100425c in _libkernel32_a_iname ()
#17 0x0040124f in cygwin_crt0 ()
    at
/cygnus/netrel/src/cygwin-1.3.3-2/winsup/cygwin/lib/cygwin_crt0.c:33
(gdb)


I have the latest packages installed. The cygcheck -s
shows:


Cygnus Win95/NT Configuration Diagnostics
Current System Time: Fri Oct 26 18:07:25 2001

WinNT Ver 5.0 build 2195 Service Pack 2

Path:   .
        /home/jmeurin/bin/cygwin
        /home/jmeurin/bin/scripts
        /usr/local/bin
        /usr/local/bin/i686-pc-cygwin
        /usr/bin
        /bin
        /c/WINNT/system32
        /c/WINNT
        /c/WINNT/System32/Wbem

SysDir: C:\WINNT\System32
WinDir: C:\WINNT

PWD = `/home/jmeurin/tmp'
USER = `jmeurin'
MAKE_MODE = `unix'
HOME = `/home/jmeurin'

Use `-r' to scan registry

c:  hd  NTFS   19055Mb  23% CP CS UN PA FC    
E-Client
cygcheck: dump_sysinfo: GetVolumeInformation() failed:
1
d:  cd           N/A    N/A

C:\cygwin\bin  /usr/bin  system  binmode
C:\cygwin\lib  /usr/lib  system  binmode
C:\cygwin  /        system  binmode
c:    /c       user    textmode

Found: C:\cygwin\bin\bash.exe
Found: C:\cygwin\bin\cat.exe
Found: C:\cygwin\bin\cpp.exe
Found: C:\cygwin\bin\find.exe
Found: C:\cygwin\bin\gcc.exe
Found: C:\cygwin\bin\gdb.exe
Found: C:\cygwin\bin\ld.exe
Found: C:\cygwin\bin\ls.exe
Found: C:\cygwin\bin\make.exe
Found: C:\cygwin\bin\sh.exe

   56k 2000/12/03 C:\cygwin\bin\cygbz21.0.dll
   45k 2001/04/25 C:\cygwin\bin\cygform5.dll
   34k 2001/09/30 C:\cygwin\bin\cygform6.dll
   18k 2000/10/23 C:\cygwin\bin\cyggdbm.dll
   17k 2001/06/28 C:\cygwin\bin\cyghistory4.dll
   21k 2001/06/28 C:\cygwin\bin\cyghistory5.dll
   21k 2001/06/20 C:\cygwin\bin\cygintl.dll
   81k 2001/10/20 C:\cygwin\bin\cygitcl30.dll
   35k 2001/10/20 C:\cygwin\bin\cygitk30.dll
  119k 2001/06/06 C:\cygwin\bin\cygjpeg6b.dll
   26k 2001/04/25 C:\cygwin\bin\cygmenu5.dll
   19k 2001/09/30 C:\cygwin\bin\cygmenu6.dll
  156k 2001/04/25 C:\cygwin\bin\cygncurses++5.dll
  175k 2001/09/30 C:\cygwin\bin\cygncurses++6.dll
  226k 2001/04/25 C:\cygwin\bin\cygncurses5.dll
  201k 2001/09/30 C:\cygwin\bin\cygncurses6.dll
   15k 2001/04/25 C:\cygwin\bin\cygpanel5.dll
   12k 2001/09/30 C:\cygwin\bin\cygpanel6.dll
  163k 2001/05/06 C:\cygwin\bin\cygpng2.dll
  108k 2001/06/28 C:\cygwin\bin\cygreadline4.dll
  135k 2001/06/28 C:\cygwin\bin\cygreadline5.dll
  390k 2001/10/20 C:\cygwin\bin\cygtcl80.dll
    5k 2001/10/20 C:\cygwin\bin\cygtclpip80.dll
   10k 2001/10/20 C:\cygwin\bin\cygtclreg80.dll
  245k 2001/06/12 C:\cygwin\bin\cygtiff3.dll
  623k 2001/10/20 C:\cygwin\bin\cygtk80.dll
   41k 2001/07/04 C:\cygwin\bin\cygXpm-noX4.dll
   45k 2001/07/04 C:\cygwin\bin\cygXpm-X4.dll
   49k 2001/02/03 C:\cygwin\bin\cygz.dll
  701k 2001/09/13 C:\cygwin\bin\cygwin1.dll
    Cygwin DLL version info:
        dll major: 1003
        dll minor: 3
        dll epoch: 19
        dll bad signal mask: 19005
        dll old termios: 5
        dll malloc env: 28
        api major: 0
        api minor: 46
        shared data: 3
        dll identifier: cygwin1
        mount registry: 2
        cygnus registry name: Cygnus Solutions
        cygwin registry name: Cygwin
        program options name: Program Options
        cygwin mount registry name: mounts v2
        cygdrive flags: cygdrive flags
        cygdrive prefix: cygdrive prefix
        cygdrive default prefix:
        build date: Wed Sep 12 23:54:31 EDT 2001
        shared id: cygwin1S3

Use -h to see help about each section

Any ideas?

Thanks for your help,

Jean-Marc



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Re: gdb and Windows 2000

[Christopher Faylor]

On Wed, Sep 05, 2001 at 10:20:30AM -0700, Michael Ubell wrote:
>Aha!
>
>In trying to download and install the developers' version I managed to srew
>things up enough to find the problem.  I have:
>
>export PATH="$msvs\VC98\Bin":"$msvs\Common\MSDev98\Bin":"c:\Program Files\TCL\bin":$PATH
>
>in my .bashrc file.  Having MSVC in the path before /usr/bin appears to be
>a big no-no.

!!! Having MS-DOS paths in your PATH is also a big no-no.  There is no
way that will work correctly.  You're using a colon as both a separator
and a disk introducer.

Use posix paths just like you do on UNIX.

cgf

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Re: gdb and Windows 2000

[Michael Ubell]

Aha!

In trying to download and install the developers' version I managed to srew
things up enough to find the problem.  I have:

export PATH="$msvs\VC98\Bin":"$msvs\Common\MSDev98\Bin":"c:\Program Files\TCL\bin":$PATH

in my .bashrc file.  Having MSVC in the path before /usr/bin appears to be
a big no-no.

(How do you have two different version fo cygwin on your system at onece?  I installed
them in different dirctories, but the second one seems to reference the first one
in the registery.  I am not sure how to untangle things at this point.)


Michael Ubell

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Re: gdb and Windows 2000

[Corinna Vinschen]

On Wed, Sep 05, 2001 at 07:36:06AM -0700, Michael Ubell wrote:
> 
> 
> Corinna Vinschen wrote:
> > 
> > On Tue, Sep 04, 2001 at 10:36:46PM -0700, Michael Ubell wrote:
> > > Has anyone gotten gdb to work on Windows 2000 (with cygwin, of course)?
> > >
> > > Below is a simple program which runs but not under gdb.  I have downloaded
> > > and built gdb but cannot debug it either.  I can run the version
> > > of gdb shipped with cygwin, but it has no symbols.  See below:
> > 
> > Works for me.
> > 
> > Corinna
> 
> 
> Ok, I assume you are running the current downloadable version of cygwin or
> are you using a development version?  Do you know what might be the

I'm using the self build version of Cygwin from CVS.  Just try the
latest developer snapshots.

> problem on my system?  I have tried putting a breakponit at main, but
> it never gets there.  Any ideas on how to proceed?  Cygwin is not very

I'm not sure. Perhaps somebody else could give an hint here.

> useful to me unless I can debug the programs I am writing.
> 
> 
> Can you show me a script of what you ran?  Perhaps I am not compiling with
> the right options or something.

Naah, I did the same what you've described in your original mail.
Nothing else. Setting a breakpoint in main worked, too. 

Corinna

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Re: gdb and Windows 2000

[Michael Ubell]

Corinna Vinschen wrote:
> 
> On Tue, Sep 04, 2001 at 10:36:46PM -0700, Michael Ubell wrote:
> > Has anyone gotten gdb to work on Windows 2000 (with cygwin, of course)?
> >
> > Below is a simple program which runs but not under gdb.  I have downloaded
> > and built gdb but cannot debug it either.  I can run the version
> > of gdb shipped with cygwin, but it has no symbols.  See below:
> 
> Works for me.
> 
> Corinna


Ok, I assume you are running the current downloadable version of cygwin or
are you using a development version?  Do you know what might be the
problem on my system?  I have tried putting a breakponit at main, but
it never gets there.  Any ideas on how to proceed?  Cygwin is not very
useful to me unless I can debug the programs I am writing.


Can you show me a script of what you ran?  Perhaps I am not compiling with
the right options or something.

Mike

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Re: gdb and Windows 2000

[Corinna Vinschen]

On Tue, Sep 04, 2001 at 10:36:46PM -0700, Michael Ubell wrote:
> Has anyone gotten gdb to work on Windows 2000 (with cygwin, of course)?
> 
> Below is a simple program which runs but not under gdb.  I have downloaded
> and built gdb but cannot debug it either.  I can run the version
> of gdb shipped with cygwin, but it has no symbols.  See below:

Works for me.

Corinna

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gdb and Windows 2000

[Michael Ubell]

Has anyone gotten gdb to work on Windows 2000 (with cygwin, of course)?

Below is a simple program which runs but not under gdb.  I have downloaded
and built gdb but cannot debug it either.  I can run the version
of gdb shipped with cygwin, but it has no symbols.  See below:


Administrator@VAIO ~/gdb-5.0/gdb
$ uname -a
CYGWIN_NT-5.0 VAIO 1.3.2(0.39/3/2) 2001-05-20 23:28 i686 unknown

Administrator@VAIO ~/db/build_unix
$ cat test.c
 main() {

        printf ("hello\n");
}

Administrator@VAIO ~/db/build_unix
$ gcc -g -o test.exe test.c

Administrator@VAIO ~/db/build_unix
$ ./test.exe
hello

Administrator@VAIO ~/db/build_unix
$ gdb -nw ./test.exe
GNU gdb 5.0 (20010428-1)
Copyright 2001 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB.  Type "show warranty" for details.
This GDB was configured as "i686-pc-cygwin"...
(gdb) run
Starting program: /home/Administrator/db/build_unix/./test.exe
gdb: unknown target exception 0xc0000135 at 0x77fb0ff4

Program received signal ?, Unknown signal.

Program received signal SIGSEGV, Segmentation fault.

Program received signal SIGSEGV, Segmentation fault.

Program exited with code 0200.
You can't do that without a process to debug.
(gdb) quit


Administrator@VAIO ~/db/build_unix
$ gdb -nw ~/gdb-5.0/gdb/gdb.exe
GNU gdb 5.0 (20010428-1)
Copyright 2001 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB.  Type "show warranty" for details.
This GDB was configured as "i686-pc-cygwin"...
(gdb) run
Starting program: /home/Administrator/gdb-5.0/gdb/gdb.exe
gdb: unknown target exception 0xc0000135 at 0x77fb0ff4

Program received signal ?, Unknown signal.

Program received signal SIGSEGV, Segmentation fault.

Program received signal SIGSEGV, Segmentation fault.

Program exited with code 0200.
You can't do that without a process to debug.
(gdb) quit

Administrator@VAIO ~/db/build_unix
$ gdb -nw /usr/bin/gdb
GNU gdb 5.0 (20010428-1)
Copyright 2001 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB.  Type "show warranty" for details.
This GDB was configured as "i686-pc-cygwin"...(no debugging symbols found)...
(gdb) run -nw
Starting program: /usr/bin/gdb.exe -nw
GNU gdb 5.0 (20010428-1)
Copyright 2001 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB.  Type "show warranty" for details.
This GDB was configured as "i686-pc-cygwin".
(gdb) quit

Program exited normally.
(gdb) quit

Administrator@VAIO ~/db/build_unix
$ gcc  -o test.exe test.c

Administrator@VAIO ~/db/build_unix
$ gdb -nw ./test.exe
GNU gdb 5.0 (20010428-1)
Copyright 2001 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB.  Type "show warranty" for details.
This GDB was configured as "i686-pc-cygwin"...
(gdb) run
Starting program: /home/Administrator/db/build_unix/./test.exe
gdb: unknown target exception 0xc0000135 at 0x77fb0ff4

Program received signal ?, Unknown signal.

Program received signal SIGSEGV, Segmentation fault.

Program received signal SIGSEGV, Segmentation fault.

Program exited with code 0200.
You can't do that without a process to debug.
(gdb)

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