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Re: DWARF-related warnings in DJGPP build of GDB


> Date: Wed, 15 Apr 2009 09:22:42 -0700
> From: Joel Brobecker <brobecker@adacore.com>
> Cc: gdb-patches@sourceware.org
> 
> >   During symbol reading, inner block not inside outer block in prompt_for_continue.
> >   During symbol reading, inner block (0x61ab0-0x6b68b) not inside outer block (0x64c90-0x64d2f).
> >   During symbol reading, Offset 174868 out of bounds for DW_AT_ranges attribute.
> > 
> > Is this a GCC problem, a GDB problem, or something else?  Should I be
> > worried?  My GCC version is 3.4.3, in case that matters.
> 
> What you can do is verify that the addresses are correctly read
> by GDB.
> 
> You could try dumping the DWARF data if you have a tool that does that
> on your system.

What tools can do that?  Is there a way of doing this with Binutils?

> Otherwise, you could check the assembly file where
> prompt_for_continue is defined, and see if blocks indeed have
> the correct relationship in terms of block addresses.

Hints or an example for how to do that will be highly appreciated.

> It could be the compiler emitting wrong debugging info, or the
> assembler/linker toolchain that screws up.

I will try to upgrade to newer Binutils and to GCC 3.4.4, and see if
that helps.

Thanks for the feedback.


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