Debugging Macros with gdb

Daniel Berlin dberlin@dberlin.org
Tue Feb 15 11:24:00 GMT 2005


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.





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