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From: "Kalpana Ramamurthy" <kal_pana@hotmail.com>
To: gdb@sourceware.org
Cc: kal_pana@hotmail.com
Subject: Errors in gdb6.4 "incomplete CFI data" and "const value length mismatch"
Date: Fri, 30 Mar 2007 10:47:00 -0000	[thread overview]
Message-ID: <BAY144-F2784E6EBDF1E3D56048D48E8630@phx.gbl> (raw)
In-Reply-To: <20070328112642.GA2502@caradoc.them.org>

I am using gdb 6.4. I get a lot of errors like

>>During symbol reading, incomplete CFI data; unspecified registers (e.g., 
>>rax) at 0x1452fa.

I also get errors like

>>During symbol reading, const value length mismatch for '<some symbol>', 
>>got 8, expected 0.

From reference to earlier discussions on this issue, I noticed that 
complaints is set to 1 in .gdbinit.
I set it to 0 and these warning messages disappeared.

I had two questions in this regard :

1. Is it a wise thing to set complaints to 0 ?
Setting it to a huge value like "set complaints 20" gives me a huge set of 
the above warnings.

2. Can you let me know the exact cause for why the second warning message 
appears namely
"during symbol reading, const value length...". I assume that the first set 
of warnings related to CFI data is because registers if not specified are 
incorrectly assumed as undefined.

Kalpana
====

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  parent reply	other threads:[~2007-03-30 10:47 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-03-28  9:24 gdb 6.4 does not stop unwinding even after reaching the last frame Kalpana Ramamurthy
2007-03-28 11:26 ` Daniel Jacobowitz
2007-03-29  6:36   ` gdb 6.4 does not stop unwinding even after reaching the lastframe Kalpana Ramamurthy
2007-03-29 11:05     ` Daniel Jacobowitz
2007-03-30 10:47   ` Kalpana Ramamurthy [this message]
2007-03-30 11:33     ` Errors in gdb6.4 "incomplete CFI data" and "const value length mismatch" Daniel Jacobowitz
2007-04-02  5:27       ` Errors in gdb6.4 "incomplete CFI data" and "const value lengthmismatch" Kalpana Ramamurthy
2007-04-02 10:53         ` Daniel Jacobowitz
2007-04-16 11:26 ` Why does gdb print a complete stack trace even after switching to other frames ? Kalpana Ramamurthy
2007-04-16 11:37   ` Daniel Jacobowitz
2007-05-02 14:10   ` gdb 6.4 not allowing me to change the value of registers like $SP,$RBP and $RIP Kalpana Ramamurthy

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