Subject: Dwarf Error: Cannot find referent at offset XXXXXX
To: Daniel Berlin <dan@cgsoftware.com>
From: Sachidananda Swain <sachidananda@kyocera-wireless.com>
List: port-arm
Date: 09/03/2004 16:22:48
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Hi all,
I am working on GDB for debugging. Tried with all gdb version and in all
cases I am getting Dwarf error. Please tell me how to overcome this error.
What I feel that there may be mismatching of dwarf format between ads
compiler and gdb. I saw so many numbers of people facing this problem. So
tell be very frankly that this problem can be solved or not; otherwise I
have to close this project because I am in a deadline. If any where I am
doing mistake please tell me how to do this. Once I can able to communicate
from host with all commands then I will start writing gdb-stub for target
side. I will be waiting for u r reply.
Host Side: PC (Intel P4 with Windows XP OS) with gdb-5.3/gdb-6.0/gdb-6.2
Target Side: ARM926EJ-S based System. Compilation is done through ADS 1.2
compiler.
I tried with all three GDB versions, results r giving below.
1: GDB-5.3 [download from www.sourceforge.net
<http://www.gnude.sourceforge.net/> where arm-elf-gdb.exe was in built]
Results: C:\gnude\bin>arm-elf-gdb.exe ...........\........\target.elf
GNU gdb 5.3
Copyright 2002 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 "--host=i386-pc-cygwin --target=arm-elf"...
(gdb) set debug remote 1
(gdb) print (a Global variable)
Dwarf Error: Cannot find referent at offset 1301314.
(gdb)
2: GBD-6.0 [download from http://ftp.gnu.org/gnu/gdb/
<http://ftp.gnu.org/gnu/gdb/> and generating gdb.exe following the steps
given in http://gnude.sourceforge.net/ <http://gnude.sourceforge.net/> ]
Results: C:\gdb>gdb .......\............\target.elf
GNU gdb 6.0
Copyright 2003 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 "--host=i386-pc-cygwin --target=arm-elf"...
(gdb) set debug remote 1
(gdb) print (a Global variable)
Dwarf Error: Cannot find referent at offset 1301314 [in module
.......\............\target.elf]
(gdb)
3: GDB-6.2 [same as gdb-6.0: (1) $ CFLAGS="-s -O3" (2)export CFLAGS (3)$
mkdir buildgdb; (4)cd buildgdb; (5)../configure --target=arm-elf
--prefix=/gnude --disable-shared --disable-nls --disable-win32-registry
--enable-interwork --enable-multilib; (6) make all install; this will give
gdb.exe in gdb folder]
Results: C:\gdb>gdb ...........\........\target.elf
GNU gdb 6.2
Copyright 2004 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 "--host=i686-pc-cygwin --target=arm-elf"...
../../gdb/dwarf2read.c:4994: internal-error: unsupported
inter-compilation-unit reference
A problem internal to GDB has been detected,
further debugging may prove unreliable.
Quit this debugging session? (y or n) n
../../gdb/dwarf2read.c:4994: internal-error: unsupported
inter-compilation-unit reference
A problem internal to GDB has been detected,
further debugging may prove unreliable.
Create a core file of GDB? (y or n) y
(gdb) print (a Global variable)
No symbol table is loaded. Use the "file" command.
(gdb)
Conclusion: I expect that u have gone through all the results. Please reply
all the necessary steps to do this. The main part is I will proceed or stop
here itself.
Regards
Sachidananda
Engineer
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<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Hi all,</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>I am working on GDB for debugging. Tried with all gdb version
and in all cases I am getting Dwarf error. Please tell me how to overcome this
error. What I feel that there may be mismatching of dwarf format between ads
compiler and gdb. I saw so many numbers of people facing this problem. So tell
be very frankly that this problem can be solved or not; otherwise I have to
close this project because I am in a deadline. If any where I am doing mistake
please tell me how to do this. Once I can able to communicate from host with
all commands then I will start writing gdb-stub for target side. I will be
waiting for u r reply.</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> </span></font></p>
<p class=MsoNormal><b><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial;font-weight:bold'>Host Side</span></font></b><font size=2
face=Arial><span style='font-size:10.0pt;font-family:Arial'>: PC (Intel P4 with
Windows XP OS) with gdb-5.3/gdb-6.0/gdb-6.2</span></font></p>
<p class=MsoNormal><b><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial;font-weight:bold'>Target Side</span></font></b><font size=2
face=Arial><span style='font-size:10.0pt;font-family:Arial'>: ARM926EJ-S based System.
Compilation is done through </span></font><b><span style='font-weight:bold'>ADS
1.2 compiler</span></b>.</p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>I tried with all three GDB versions, results r giving below.</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>1: GDB-5.3 [download from <a
href="http://www.gnude.sourceforge.net/">www.sourceforge.net</a> where arm-elf-gdb.exe
was in built]</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> Results: C:\gnude\bin>arm-elf-gdb.exe
...........\........\target.elf</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>
GNU gdb 5.3</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>
Copyright 2002 Free Software Foundation, Inc.</span></font></p>
<p class=MsoNormal style='margin-left:.5in'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'> 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.</span></font></p>
<p class=MsoNormal style='text-indent:.5in'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'> Type
"show copying" to see the conditions.</span></font></p>
<p class=MsoNormal style='text-indent:.5in'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'> There is
absolutely no warranty for GDB. Type "show warranty" for
details.</span></font></p>
<p class=MsoNormal style='text-indent:.5in'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'> This GDB
was configured as "--host=i386-pc-cygwin --target=arm-elf"...</span></font></p>
<p class=MsoNormal style='text-indent:.5in'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'> (gdb)
set debug remote 1</span></font></p>
<p class=MsoNormal style='text-indent:.5in'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'> (gdb)
print (a Global variable)</span></font></p>
<p class=MsoNormal style='text-indent:.5in'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'> Dwarf
Error: Cannot find referent at offset 1301314.</span></font></p>
<p class=MsoNormal style='text-indent:.5in'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'> (gdb)</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>2: GBD-6.0 [download from </span></font><a
href="http://ftp.gnu.org/gnu/gdb/">http://ftp.gnu.org/gnu/gdb/</a> and
generating gdb.exe following the steps given in <font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'><a
href="http://gnude.sourceforge.net/">http://gnude.sourceforge.net/</a> ]</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> Results: C:\gdb>gdb .......\............\target.elf</span></font></p>
<p class=MsoNormal style='text-indent:.5in'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'> GNU gdb 6.0</span></font></p>
<p class=MsoNormal style='margin-left:.5in'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'> Copyright
2003 Free Software Foundation, Inc.</span></font></p>
<p class=MsoNormal style='text-indent:.5in'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'> GDB is free
software, covered by the GNU General Public License, and you are</span></font></p>
<p class=MsoNormal style='text-indent:.5in'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'> welcome
to change it and/or distribute copies of it under certain conditions.</span></font></p>
<p class=MsoNormal style='text-indent:.5in'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'> Type
"show copying" to see the conditions.</span></font></p>
<p class=MsoNormal style='text-indent:.5in'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'> There
is absolutely no warranty for GDB. Type "show warranty" for
details.</span></font></p>
<p class=MsoNormal style='text-indent:.5in'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'> This
GDB was configured as "--host=i386-pc-cygwin --target=arm-elf"...</span></font></p>
<p class=MsoNormal style='text-indent:.5in'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>
(gdb) set debug remote 1</span></font></p>
<p class=MsoNormal style='text-indent:.5in'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>
(gdb) print (a Global variable)</span></font></p>
<p class=MsoNormal style='text-indent:.5in'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>
Dwarf Error: Cannot find referent at offset 1301314 [in module .......\............\target.elf]</span></font></p>
<p class=MsoNormal style='text-indent:.5in'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>
(gdb)</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>3: GDB-6.2 [same as gdb-6.0: (1) </span></font><font size=1
color="#333333" face=Verdana><span lang=EN style='font-size:7.0pt;font-family:
Verdana;color:#333333'>$ CFLAGS="-s -O3" (2)export CFLAGS (3)$
mkdir buildgdb; (4)cd buildgdb; (5)../configure --target=arm-elf
--prefix=/gnude --disable-shared --disable-nls --disable-win32-registry
--enable-interwork --enable-multilib; (6) make all install; this
will give gdb.exe in gdb folder</span></font><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>]</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> Results: C:\gdb>gdb ...........\........\target.elf</span></font></p>
<p class=MsoNormal style='text-indent:.5in'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'> GNU gdb 6.2</span></font></p>
<p class=MsoNormal style='text-indent:.5in'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'> Copyright
2004 Free Software Foundation, Inc.</span></font></p>
<p class=MsoNormal style='text-indent:.5in'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'> GDB is free
software, covered by the GNU General Public License, and you are</span></font></p>
<p class=MsoNormal style='text-indent:.5in'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'> welcome to
change it and/or distribute copies of it under certain conditions.</span></font></p>
<p class=MsoNormal style='text-indent:.5in'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'> Type
"show copying" to see the conditions.</span></font></p>
<p class=MsoNormal style='text-indent:.5in'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'> There is
absolutely no warranty for GDB. Type "show warranty" for
details.</span></font></p>
<p class=MsoNormal style='text-indent:.5in'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'> This GDB
was configured as "--host=i686-pc-cygwin --target=arm-elf"...</span></font></p>
<p class=MsoNormal style='text-indent:.5in'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'> ../../gdb/dwarf2read.c:4994:
internal-error: unsupported inter-compilation-unit reference</span></font></p>
<p class=MsoNormal style='text-indent:.5in'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'> A problem
internal to GDB has been detected,</span></font></p>
<p class=MsoNormal style='text-indent:.5in'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'> further
debugging may prove unreliable.</span></font></p>
<p class=MsoNormal style='text-indent:.5in'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'> Quit this
debugging session? (y or n) n</span></font></p>
<p class=MsoNormal style='text-indent:.5in'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'> ../../gdb/dwarf2read.c:4994:
internal-error: unsupported inter-compilation-unit reference</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>
A problem internal to GDB has been detected,</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>
further debugging may prove unreliable.</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>
Create a core file of GDB? (y or n) y</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>
(gdb) print (a Global variable)</span></font></p>
<p class=MsoNormal style='text-indent:.5in'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'> No symbol
table is loaded. Use the "file" command.</span></font></p>
<p class=MsoNormal style='text-indent:.5in'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'> (gdb)</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> </span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Conclusion: I expect that u have gone through all the
results. Please reply all the necessary steps to do this. The main part is I will
proceed or stop here itself. </span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> </span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Regards</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Sachidananda</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Engineer</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> </span></font></p>
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