Dwarf2-related Internal error

Michal Ludvig
2003-07-08T14:36:38Z

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Hi all,
I have problems debugging the attached code (real.f) on AMD64 platform.
However the problem doesn't seem to be AMD64-related, but Dwarf2-related
instead and it only happens if it is compiled by the PGI fortran
compiler (beta is available for free download at www.pgroup.com/AMD64).

Debugging the 'real' binary on AMD64/Linux systems leads to GDB internal
error:

$ ../gdb real
GNU gdb 2003-07-08-cvs
Copyright 2003 Free Software Foundation, Inc.
[...]
This GDB was configured as "x86_64-unknown-linux-gnu"...
(gdb) b hurdgy
Breakpoint 1 at 0x4000113c: file real.f, line 8.
(gdb) r
Starting program: /tmp/gdbbuild/gdb/fortran/real

Breakpoint 1, hurdgy (xx=
/ttt/64/gdb-head/gdb/utils.c:1058: internal-error: virtual memory
exhausted: can't allocate 4294967404 bytes.
A problem internal to GDB has been detected,
further debugging may prove unreliable.
Quit this debugging session? (y or n) y

/ttt/64/gdb-head/gdb/utils.c:1058: internal-error: virtual memory
exhausted: can't allocate 4294967404 bytes.
A problem internal to GDB has been detected,
further debugging may prove unreliable.
Create a core file of GDB? (y or n) n
$

Something is wrong in parsing the Dwarf2 .debug_info section -
unfortunately I don't understand the GDB internals in this field.
Could someone help me with it, please?

All relevant files (source, asm, binaries, cores) are available at:
http://tmp.logix.cz/amd/fortran/

Thanks in advance for any help!

Michal Ludvig
--
* SuSE CR, s.r.o * mludvig@suse.cz
* (+420) 296.545.373 * http://www.suse.cz

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real flat(10)
call hurdgy(flat, 10)

end

subroutine hurdgy(xx,i)
integer i
real xx(i)
end