* Corrupt data in ...
@ 2003-07-16 15:12 Michal Ludvig
2003-07-16 16:05 ` Elena Zannoni
0 siblings, 1 reply; 2+ messages in thread
From: Michal Ludvig @ 2003-07-16 15:12 UTC (permalink / raw)
To: Mark Kettenis; +Cc: gdb
Hi Mark,
on AMD64/Linux I'm getting "During symbol reading...Corrupt data in
/lib64/libm.so.6:.eh_frame; align 4 workaround apparently succeeded..."
message. What does it mean and where to look for the problem?
****
(top-gdb) b main
Breakpoint 3 at 0x4390b7: file gdb.c, line 30.
(top-gdb) r
Starting program: /usr/src/packages/BUILD/gdb-6.0/gdb/gdb
During symbol reading...Corrupt data in /lib64/libm.so.6:.eh_frame;
align 4 workaround apparently succeeded...
During symbol reading...Corrupt data in /lib64/libc.so.6:.eh_frame;
align 4 workaround apparently succeeded...
Breakpoint 3, main (argc=1, argv=0x7fbffff6d8) at gdb.c:30
30 memset (&args, 0, sizeof args);
(top-gdb)
****
Thanks!
Michal Ludvig
--
* SuSE CR, s.r.o * mludvig@suse.cz
* (+420) 296.545.373 * http://www.suse.cz
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: Corrupt data in ...
2003-07-16 15:12 Corrupt data in Michal Ludvig
@ 2003-07-16 16:05 ` Elena Zannoni
0 siblings, 0 replies; 2+ messages in thread
From: Elena Zannoni @ 2003-07-16 16:05 UTC (permalink / raw)
To: Michal Ludvig; +Cc: Mark Kettenis, gdb
Michal Ludvig writes:
> Hi Mark,
> on AMD64/Linux I'm getting "During symbol reading...Corrupt data in
> /lib64/libm.so.6:.eh_frame; align 4 workaround apparently succeeded..."
> message. What does it mean and where to look for the problem?
>
That's a problem with the linker that generates corrupt debug info.
Richard Henderson put in a workaround to continue reading the FDE's
and CIE's even though they might be misaligned. What you are seeing is
a complaint that gets issued when this occurs.
Look for a recent message by rth to the gdb-patches list, from last week.
elena
> ****
> (top-gdb) b main
> Breakpoint 3 at 0x4390b7: file gdb.c, line 30.
> (top-gdb) r
> Starting program: /usr/src/packages/BUILD/gdb-6.0/gdb/gdb
> During symbol reading...Corrupt data in /lib64/libm.so.6:.eh_frame;
> align 4 workaround apparently succeeded...
> During symbol reading...Corrupt data in /lib64/libc.so.6:.eh_frame;
> align 4 workaround apparently succeeded...
>
> Breakpoint 3, main (argc=1, argv=0x7fbffff6d8) at gdb.c:30
> 30 memset (&args, 0, sizeof args);
> (top-gdb)
> ****
>
> Thanks!
>
> Michal Ludvig
> --
> * SuSE CR, s.r.o * mludvig@suse.cz
> * (+420) 296.545.373 * http://www.suse.cz
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