Re: Handling corner case in building symbol table when "debug_line" includes compilation directory

[Daniel Jacobowitz <drow at false dot org>]

On Wed, Mar 14, 2007 at 06:54:57PM -0700, Maxim Grigoriev wrote:
> Hello All,

> Tensilica compiler seems to provide a unique approach in building DWARF
> line tables. It confuses GDB algorithms being used to build symbol tables.

> First in DW_TAG_compile_unit entry

>   DW_AT_name        is a source file name as it was used in a command line;
>   DW_AT_comp_dir    is a full path name to a compilation directory;    
> Then in the statement program prologue, the directory table includes at
> least one entry, which is again the compilation directory. And, there is
> a corresponding file table entry referencing to this directory.

> Assuming that this combination of the names of the directories and files
> does not contradict DWARF standard, I think GDB has to handle this situation.

> I suggest the following patch to fix this problem:

First of all, your mailer ate whitespace in the patch again - very
hard to read.

Unfortunately, I do not understand your description.  Could you show
me an example?

-- 
Daniel Jacobowitz
CodeSourcery