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Re: Debugging Macros with gdb

From: Daniel Berlin <dberlin at dberlin dot org>
To: Vidyasagara Guntaka <vguntaka at Brocade dot COM>
Cc: gcc-help at gcc dot gnu dot org
Date: Mon, 14 Feb 2005 17:56:36 -0500
Subject: Re: Debugging Macros with gdb
References: <447BB19E14004A4388CB9A864D2BA763012287C4@hq-ex-6.brocade.com>

On Mon, 2005-02-14 at 14:50 -0800, Vidyasagara Guntaka wrote:
> Hi,
> 
> I am new to this list.
> 
> I am trying to debug macros using gdb.  I have read the gdb document
> which said that -gdwarf-2 and -g3 options must be present while
> compiling using gcc.  I did that.  Still, when I used gdb, it complained
> that there was no information for the macro name.  Do I need to specify


No. This looks like a gdb bug:

readelf on the executable clearly shows we have output the macro info
for ABC

 DW_MACINFO_define - lineno : 3 macro : ABC 257
 DW_MACINFO_end_file


GDB also claims to know nothing about any of the macros we have defined.

References:
- Debugging Macros with gdb
  - From: Vidyasagara Guntaka

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