------- Additional Comments From dpatel at apple dot com 2005-08-02 17:12 ------- Subject: Re: [4.0/4.1 Regression] debug info omitted for uninitialized variables (stabs)
On Aug 2, 2005, at 10:00 AM, mmitchel at gcc dot gnu dot org wrote: > > ------- Additional Comments From mmitchel at gcc dot gnu dot org > 2005-08-02 17:00 ------- > Devang -- > > The DWARF-2 information looks correct to me, from the section of > DWARF-2 code > that you posted in the original report for this bug. I know GDB > doesn't print > the variable, but I don't think that's the compiler's fault; the > information > looks OK. Is there something wrong with the DWARF-2 generated, or > is this just > a GDB bug? Without the patch, GCC does not emit DW_OP_addr and DW_AT_location. > I'm not oppposed to making the kind of change you're proposing for > the C front > end; I suggested the same thing. But, it is a complex change; as > you've noted, > there are regressions when you try it. There is only one regression. One way to avoid it is to split wrapup_global... in two halves. One to emit code and second to generate debug info. This allows C front end to put cgraph_optimize() after writing globals but before generating debug info. thoughts ? - Devang -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23190
